Passivhaus Affiliate

Members: Other Consultants

Membership of the Passivhaus Trust is open to anyone and does not necessarily imply achievement of the Passivhaus standard for buildings or components, or attainment of Passivhaus-related qualifications. Members of the Passivhaus Trust listed include architects, consultants, contractors, manufacturers and other industry professionals, as well as individuals, who support the work of the Trust in promoting the Standard in the UK.

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Accredited Passivhaus Design

Buckhurst Hill, Essex

Thinking of a new Passivhaus or EnerPHit retrofit? Accredited Passivhaus Design are enthusiastic about creating attractive buildings that are space efficient, comfortable to be in, contribute to their surroundings and use little energy. We use the Passivhaus method as it is proven in design and on site. Our Certified Passivhaus Designer has over 25 years' experience of creating housing for individuals, social landlords and care providers, from masterplanning to detail design. We can work with other architects and can provide construction stage energy calculations and working drawings for contractors. We can take you through the design, planning and construction stages of creating something seemingly impossible - Really comfortable, attractive buildings that cost very little to run. Our website can tell you more. Accredited Passivhaus Design is a trading division of the Tooley & Foster Partnership.

Website: http://www.accreditedpassivhausdesign.com

3TIC LLP

Carlisle

Andy Todman is a highly qualified and very experienced housing professional with over 15 years’ senior leadership experience in the private, public, and third sectors. Andy is a committed front-line practitioner holding a RICS accredited MSc Housing and is a Chartered Member of the Chartered Institute of Housing. Andy is a co-founding Knowledge Partner of 3TIC LLP a developing knowledge transfer and knowledge exchange platform that sources leading research and academic work to create readily usable toolkits for front line practitioners using a Thought-Innovation-Collaboration framework. A focus area is carbon reduction and creating sustainable and affordable housing in rural areas.

AECOM Ltd

London

Website: http://aecom.com

Air Testing UK

Manchester

Website: http://airtestinguk.com

Alan Clarke

Lydney

Alan Clarke is an energy consultant and building services engineer specialising in low energy and passivhaus buildings.

Alchemilla Architects Ltd

Chard

Alchemilla Architects Ltd is a RIBA Chartered Practice based in rural Somerset in the Blackdown Hills. Our work ranges from single houses and small housing estates to extensions and refurbishment projects. A development of high end holiday lets, a conversion of a listed building to offices and a swimming pool are part of our current workload. We see architecture as integral to the built environment, and pride ourselves in providing a full service from inception to completion. Part of this is a strong commitment to energy efficient buildings with our principal architect being a certified Passivhaus Designer.

Website: http://www.alchemillaarchitects.co.uk

Altechnica

Milton Keynes

Altechnica is a Zero Carbon / Super-Passive Solar Architecture, Technology Innovation and Renewable Energy Consulting practice established by Dr Derek Taylor in 1990 to carry out commissions, research and projects. Altechnica reviewed renewable energy potential in Uttlesford, Merton BC and in Kent. They are currently the architect/renewable energy consultant for a Super Passive Solar™ Zero Carbon House in West of England, which combines zero carbon design with innovative technologies to achieve one of the most energy efficient houses in the UK, designed to achieve PassiveHaus standards. Altechnica is developing a family of innovative Altechnica Zero Emissions Dwellings™ intended to result in zero emissions of CO2 and to obtain practically all of its energy requirements from building-integrated renewable energy and require no space heating.

Website: http://www.altechnica.co.uk

Amir Tahouni

London

Arc-In-Form Architects Ltd

Colchester

Arc-In-Form Architects Limited is a Chartered Architects Practice in Colchester, with a portfolio of successfully completed private residential projects. The practice is led by Justin Smith, a Certified Passivhaus Designer, an architect with a passion for Passivhaus and a keen interest in reducing climate change through low energy buildings. We are committed to low energy, Passivhaus and Retrofit projects. Our residential projects include small sites with multiple houses, complicated extensions, renovations, refurbishments, conversions, and energy-efficient dwellings. We have worked on listed buildings, in conservation areas, city centres, the suburbs and green belt. Every project large or small, incorporates Passivhaus "Fabric First principles", whether that be an extension, or a new build. We are committed to helping our clients maximise their opportunity of low energy design, reducing operational and lifetime cost in every project we do. Our work enhances daylight, sunlight and space in every building we design. The CarbonLite Certified Passivhaus Designer course highlighted the energy performance gap in the UK, which we are keen to close through careful design, detailing and quality assessment on site during construction.

Website: http://www.arc-in-form.com

Aspectum Chartered Building Consultancy

Paignton

A professional multi-disciplinary Building Consultancy serving South and West UK, founded by Trevor J Barfoot C.Build E CABE MCIOB AssocRICS. in 2011. Over 45 years’ experience in building construction, civil engineering & contracting. Covering all forms of building design and construction, energy efficiency, M&E, contract administration, project management, architectural design, structural engineering, conservation, building surveying and pathology. Proactively, constructively and collaboratively working towards Net Zero Carbon Construction with better design, operation and maintenance producing good quality healthy low carbon sustainable buildings by being innovative, open to new ideas but keeping it simple wherever possible.

Website: http://www.aspectum.co.uk

Atkins Global

Bristol

Website: http://atkinsglobal.com

Aura (Sound & Air) Ltd

St Helier, Jersey

Axis Energy

London

Website: http://www.axisenergy.co.uk

Baker Ruff Hannon LLP

Taunton

Baker Ruff Hannon was established in 1979 and provides project management, cost management and associated services. The majority of our projects are in social housing and we work with a number of organisations throughout the South West in this regard. We are currently engaged in a small Passivhaus scheme with one of our Clients and we are trying to encourage other providers to adopt the criteria to achieve environmental and economic benefits for their tenants. Our Partners have been engaged in the development of a Passivhaus swimming pool in the United Kingdom, which is a new if not unique concept.

Website: https://www.bakerruffhannon.co.uk/

bere:architects

London

Bere:architects is one of the UK’s foremost Passivhaus practices and pioneers of ecological and environmental design. Founded by Justin Bere, the practice has won numerous design and sustainability awards and completed the first certified Passivhaus non-domestic retrofit in the UK, London’s first Passivhaus and two low cost, social housing, certified Passivhaus homes in south Wales. In 2012 bere:architects won the BRE’s competition to build Passivhaus housing on their Watford Innovation Park, is working on several new builds and retrofits to Passivhaus standard and is peer reviewing a new low energy library at UEL. Research through UK Government funded Technology Strategy Board monitoring and independent cost analysis work, and the sharing of these findings through presentations and publications, is a vital and integral part of bere:architects’ work.

Website: http://www.bere.co.uk/

Blackwood Partership

Edidburgh

Website: http://blackwood.co.uk

BPG

Dorking

Website: http://bpg.co.uk

Buckrose Ecological Architects

Malton

Website: https://www.buckrose.co.uk/

Build Collective

Bristol

Website: http://www.buildcollective.co.uk

Build Pass Ltd

Romsey

Buildpass has been successfully helping our clients navigate the complexities of the ever-changing environment of planning policy. Like them, we will work with you to meeting your planning and building regulations compliance in the most efficient and cost-effective manner. We offer our service under one roof so that you can get on with what you do best designing and building first-class developments. Let us worry about passing regulations compliance. Planning and Building Compliance is what we live and breathe, you can rest safely in the knowledge that we know the latest government Policies and how best to meet them.

Website: http://www.buildpass.co.uk

Building NRG

Uxbridge

Created in 2016, Building NRG provides building physics consultancy across the construction industry, promoting a ‘fabric first’ approach, enabling the creation of healthy, comfortable and energy efficient buildings. With over ten years of building physics and project management experience, we work with architects, product manufacturers, façade & energy consultants and house-builders. We offer consultancy in relation to: Thermal bridging analysis; Condensation risk, including WUFI analysis; Fenestration U-values, and; and whole building Energy modelling.

Website: http://www.buildingnrg.co.uk

Carbon Futures (Consultancy) Ltd

Glasgow

Carbonreduction.eu

York

A specialised consultancy established to promote the sustainable use of energy and reduce the use of fossil fuels. We provide energy audits and surveys, feasibility studies, project management and verification, utility supplies and staff training. Our Certified Passivhaus Designer service can assist you in achieving the Standard for your building.

Website: http://www.carbonreduction.eu

Carrie Fung

CBG Consultants

Oxford

Website: http://www.cbgc.com

Cercula Limited

Manchester

Chris Copeman

Kingsley

Claudia Cioli

London

Conker Conservation Ltd

Canterbury

Chartered building surveyors specialising in sustainable design, new-build, conversions, refurbishment and historic building conservation. A family business established in 1999 with experience in using modern and traditional methods of construction including rammed chalk, rammed earth, straw bales, timbrel vaulting (creating large span domes without formwork using clay tiles), super-insulated masonry and timber frame. Working with Passivhaus standard since 2005. We work mainly in the south east on residential, commercial and education projects. We are nuts about sustainability.

Website: http://www.conker.cc

Cundall

Newcastle upon Tyne

Julian is a chartered building services engineer and Fellow of CIBSE with a specialism in sustainable/environmental building design, client design advice and low carbon master planning. He has 27 years of experience. Projects include the Royal Ontario Museum in Toronto, Tower Place in London, the Parkview Battersea Power Station scheme. He has recently completed his own certified Passivhaus in Hampshire and is a regular judge for the Construction News Awards and the RIBA sustainable building award. In 2016 he chaired the UKGBC task group – delivering Building Performance.

David Cameron

Perth

David Edwards: Architectural & Energy Services

London

David is a freelance architectural consultant and researcher based in London. He studied architecture at Centre for Alternative Technology and is a Certified Passivhaus Consultant. He has experience in architectural practice across a number of sectors and provides consultancy in energy modelling using PHPP and thermal bridge analysis. He collaborated with Good Architecture on the 2012 BRE UK Passivhaus Competition (awarded runner-up) and has been a guest tutor at UCL and UEL in London. David is developer of "designPH" for the Passive House Institute; a plugin for Trimble SketchUp that will provide a 3D visual interface to PHPP. This was first presented to the 17th International Passivhaus Conference at Frankfurt in April 2013.

Debbie Hobbs

London

Design 2000 UK

London

Design2000-UK Ltd is a company that is focused on eco-friendly building consultancy and construction services for London and the surrounding area. Services are provided to a different range of customers from large corporations to direct consultancy engagements with smaller building companies as well as individual homes. Our mission is to upgrade buildings to be eco-friendly (low energy homes) to reach good standards as per BREEAM, Passivhaus Design and AECB Silver standard. The concept is to minimise the negative impact of construction activities on the environment and provide sustainable,healthy,low energy buildings, whether new built or by renovating existing homes.

Website: http://design2000.co.uk

Design Forward UK

Cardiff

After graduating from Brighton University, Richard Kennedy started his career on the drawing board working for a large civil engineering consultancy. In 2004, he started his own company and by word of mouth grew his business to working with major timber frame and SIP companies all over the UK. Over the last 30 years and with each project, his goal has been to apply the wealth of knowledge from Germany, Sweden and Canada about the fabric first approach to building more efficiently, cost-effectively and sustainably. He takes a holistic approach, utilising modern materials and innovative techniques to create a balance between aesthetics, comfort, durability, energy efficiency and a healthy internal environment. His vision is that one day our homes will have identities just like us, and that they will be better tailored to our unique lives.

Website: http://www.designforwarduk.com/

DLA Architecture

Leeds

DLA Design is an award winning architectural practice which embraces the creative energies of Architects, Interior Designers, Landscape Architects, Technologists and Graphic Designers to produce intelligent and inspirational building designs. DLA is founded upon the value that we attach to our clients, our projects and our people. We regard all our commissions as special and are committed to delivering architecture which is not only beautiful, but functional, and which achieves the highest standards of sustainable construction.

DWA Architects

York, Altringham, London

Website: http://www.dwa-architects.co.uk

e-Griffin Consulting Ltd

Huntingdon

Irrespective of whether you are a housing association, hotel or manufacturing company building a new factory with a multi-million pound budget or a home owner with a £100,000 extension, our passion and expertise is always focussed on keeping your building costs under control and on budget. e-Griffin Consulting, Chartered Quantity Surveyors, work for clients in local government, industry , retail, schools, architects, developers, hospitality, health and leisure, charities to name just a few, plus homeowners providing unbiased full building estimation and cost analysis service for new construction and renovation work. We also specialise in providing Quantity Surveying services for Passivhaus construction. The e-Griffin Construction Cost Calculator which can be accessed from www.e-griffin.uk provides accurate estimates free of charge for anyone wanting to know "What are the likely building costs?" This calculator enables you to make important decisions at the conceptual design stage of your project before any plans have been drawn up.

Website: http://www.e-griffin.uk

East Green Homes Limited

Southwold

Thinking of buying a new Passivhaus home or constructing a new Passivhaus or EnerPHit retrofit home? We spend most of our time indoors, so buildings play an important part in our health and wellbeing. Our Passive House Homes assure a comfortable indoor climate “passively” in both summer and winter. The team at East Green Homes, have worked on several certified Passivhaus projects as either Contractor or Consultant, including No 4 Ranulf Road, this was the first in London to achieve certification. Planning is often easier with Passivhaus. We will also be shorty commencing our own new Passivhaus homes for sale.

Website: http://www.eastgreenhomes.co.uk

ECD Architects

London and Glasgow

ECD has a track record of successful sustainable projects and a good design process from feasibility to understanding of (and a strong commitment to) sustainability principles and the triple bottom line of social, environmental and economic factors. These principles inform their construction and beyond. They aim to tailor for each new project a ‘Sustainability Agenda’ that informs the core brief and serves as a checklist throughout the design development which is incorporated into their Project Quality Plan.

Website: http://ecda.co.uk

Eco Design Consultants Ltd

Milton Keynes

Eco Design Consultants are an award winning Architectural Practice, lead by Alan Budden who is a Chartered Architect and European Certified Passivhaus Designer. Our ethos is to provide FUN enjoyable buildings that are highly comfortable, inherently low energy by, using its form and fabric intelligently so to insure world resources are maintained for our children. We have a number of low energy projects including new build housing, retrofit and extension of houses and community buildings. Our services also include: Architectural design, code for sustainable homes assessments, OC EPCs, LEED assessments, Renewable energy feasibilities, home energy surveys and providing CPDs.

Website: http://www.ecodesignconsultants.co.uk

Ecospheric

Manchester

Ecospheric specialises in sustainable property development and consultancy. Our focus is on pioneering eco projects that not only save carbon but also drive technological change. Our current pilot projects include the first European passive house plus retrofit of 2 luxury Victorian semi-detached homes, Designing what could be the first Zero waste and Zero energy food hall in the world. Development of the first all electric, petrochemical free construction system for passive house social housing.

Website: http://www.ecospheric.co.uk/

Eight Associates

London

Eight Associates is a sustainability consultancy with a focus on delivering sustainable buildings, both in the UK and abroad. Our fully accredited team of professionals has unparalleled experience providing consultation and advice on building performance analysis. We provide a range of services related to site specific modelling of energy efficiency, thermal performance, daylighting, feasibility studies for low/zero carbon energy sources, thermal comfort and overheating, thermal bridging, condensation risk and PassivHaus. Eight Associates focuses on dialogue, technical expertise and working with the team to ensure that cost-effective, sustainable solutions are achieved for each of our projects.

Website: http://www.eightassociates.co.uk

Eric Parks

York

Website: http://www.ericparks.co.uk

Etive Consulting Engineers Ltd

Edinburgh

Website: http://etiveconsulting.co.uk

EVR Consulting Ltd

London

EVR Consulting provides ICT consultancy, procurement and solution services to a range of clients. Bringing together over 35 years experience in the field of education and health care, EVR is proud to offer services to schools, NHS Trusts, Multi Academy Trusts, construction companies, Governments and their agencies. Their experience includes providing a wide range of services to the Department for Education (DfE), Crown Commercial Service (CCS) and the NHS. EVR have worked on over 300 projects in various schemes, including the Academy, BSF, PSBP, SRP, Modular Frameworks A/B/C, Modern Methods of Construction, Free School, UTC, Studio School programmes and hospital rebuild projects.

Website: https://www.evrconsulting.co.uk/

EZ Design & Construction Ltd

Swanley

E Z Design and Construction Ltd is founded by Erdal Zorbozan, degree qualified construction professional with a special interest in Passivhaus, passive design, environmental analysis and design, low energy, comfortable, sustainable building design and engineering

Website: http://ez-design.co.uk/

Faithful+Gould Ltd

Edinburgh

Website: http://fgould.com

FORM Design Group

Walton On Thames

Website: http://formdesigngroup.co.uk

Georgia Laganakou

London

Goodson Associates

Edinburgh

Website: http://goodsons.com

Green Building Store

Huddersfield

Green Building Store offers products and support for Passivhaus and low energy homes and buildings, including triple glazed timber windows and doors and advanced MVHR heat recovery ventilation, specialist airtightness & insulation products and consultancy and building services. With 25+ years’ experience of working on low energy homes and buildings, Green Building Store combines technical expertise with outstanding personal service and aftercare. Green Building Store’s construction division built the award-winning Denby Dale Passivhaus, Golcar Passivhaus and Stirley Farm EnerPHit projects, as well as numerous radical retrofits designed using the Passivhaus Planning Package. Details of these projects are outlined in various free resources available from Green Building Store’s website, including technical briefings, blogs and films.

Website: http://www.greenbuildingstore.co.uk

Green Consult Global

London

Website: http://greenconsult-global.com

Green Footsteps

Kendal

Diane Hubbard of Green Footsteps is no ordinary air tightness tester. In addition to being a member of the iATS Competent Person Scheme for the airtightness testing of domestic and non-domestic buildings, she is also a CEPH Consultant and CEPH Tradesperson. Diane is an academic author on the energy consequences of unwanted air movement in existing buildings and has a passion for sustainable building, led by her MSc (Centre for Alternative Technology). With a wealth of experience with new and existing buildings, Green Footsteps offers a value for money Passivhaus air tightness testing service across Northern England and Southern Scotland.

Website: http://www.greenfootsteps.co.uk

Green Peaches CIC

Colchester

Green Peaches is a Social Enterprise that provides Energy, Environmental and Waste Management services. Energy related work includes; Passivhaus consultancy, ESOS compliance assessments, CMVP for energy interventions, domestic and commercial EPCs and Well standard consultancy. Environmental related work includes; Auditing, awareness training and Environmental Health consultancy. Waste related work includes: Auditing and awareness training. The company has a CIC social statement and that is to help other non-profit organisations with subsidised or free services. It carries out voluntary services to the CORE group of Essex Local Authorities and the Essex and Suffolk Energy and Environmental Management Group.

Greenbox Associates Ltd

Southsea

Greenbox Associates Ltd is a low energy building design consultancy which supports architects and designers to deliver low impact, low energy and highly comfortable buildings. As specialists in Passivhaus and certified designers, assistance can be given in developing a highly performing building envelope to achieve Passivhaus, higher levels of the Code for Sustainable Homes and Zero Carbon Homes compliance.

Website: http://www.greenboxassociates.co.uk

Greengauge Building Energy Consultants

Bradford on Avon

Website: http://ggbec.co.uk/

Greenheart Sustainable Construction Ltd

Bristol

Greenheart have been building beautiful, sustainable homes as principal or main contractor for over twenty years. From domestic extensions to groundbreaking newbuild Passive Houses, each project is unique and built to the highest standards. With a solid reputation in the Bristol area for excellence in green building, we place emphasis on training our workers and clear communication with clients.

Website: http://www.greenheartuk.com/

Greenlite Building Physics

Lincoln

Greenlite Energy Assessors were founded in 2014 and provide computational modelling services to the construction industry. These services include dynamic thermal modelling, overheating risk analysis, daylight modelling and Part L compliance. We are CIBSE Low Carbon Consultants and Level 5 Low Carbon Energy Assessors. Works to date include a wide range of industry sector building types, notably including the Passivhaus University of Nottingham RAD building. The extensive work undertaken on the RAD building project helped to ensure that the targeted thermal comfort performance metrics were met and also aided with Passivhaus design and certification processes.

Website: http://greenlitebp.com

Harley Haddow

Edinburgh

Harley Haddow are Mechanical, Electrical, Civil, Structural, and Sustainability Consulting Engineers. We were formed in 1950 and over the last seven decades have built a reputation for high-quality and extensive project experience to be one of the UK’s foremost consulting engineering practices. Our project portfolio ranges from individual dwellings to city master planning projects. We are proud of the close and long-standing relationships we have with architects, developers and clients who value the approach we take to each project. Repeat business through excellent design, innovation and project support is the cornerstone of our business success.

Website: http://harleyhaddow.com

Heba Abdel-Halim Mahmoud

Cairo, Egypt

Heba is a PhD Researcher in Architectural Studies & Environmental Design at the Faculty of Engineering, Cairo University, and a Lecturer at Misr University for Science & Technology. She has studied and applied project management methodologies including Agile methodology and is a Certified Scrum Master and Trainer. Through her 15 years’ experience she has led and participated in designing & managing many projects of different types and sizes. Heba founded her Engineering Office “H.A.D Heba Architectural Designs” in 2005, as a cutting-edge office in both architectural environmental design and project management. H.A.D. has a unique working concept that stems from integrating the design team’s imagination with the latest Passivhaus techniques, along with an Agile project management mindset. That guarantees the success of H.A.D.’s project deliverables and maximizes their business value.

Highland Passive

Fort William

Highland Passive help self-builders, architects and design teams to meet the rigorous international Passivhaus standard on both new-build and retrofit projects, helping you to live in a cosy, healthy, cheap-to-run home. Highland Passive is run by Es Tresidder. Es is a certified Passivhaus and AECB Carbonlite Retrofit designer. Es has over ten years of experience in low-energy buildings in both consultancy and academic roles.

Website: http://www.highlandpassive.com

Ian Waters Design Ltd

St Ives

Inside Outside Engineering Ltd

London

We design the mechanical and electrical services to make the *Inside* of the building work best. We feel that this starts with understanding the local climate, the *Outside*, and how the shell of the building acts as a filter to that environment. We advise on how to optimise the building form and design from the get-go. The best results can be achieved when we bring the whole scheme together to create comfortable & desirable spaces for living.

Website: http://in-out-eng.com

Joanne Haggerty

Dubai

Joe Roberts

Ascot

Jones King Partnership

Bristol

Website: https://jonesking.com/

Judy Ong

Loughborough

Justin Murray

Godalming

Kirsty McGhie

Lancaster

Laura Plazas

Maidenhead

Leeds Environmental Design Associates Ltd (LEDA)

West Yorkshire

We are a multidisciplinary worker owned co-operative of engineers and architects committed to creating sustainable, environmentally friendly buildings. We use our wide experience to make your plans practical and usable. We specialise in healthy and comfortable buildings with net zero operational energy and strive for low carbon emissions across their lifetime. We are proud to offer a fully-coordinated building design including thermal modelling and Passive House design. Our Passive House consultants and low carbon construction and building services specialists work collaboratively with architects and clients to develop designs for net zero and Passive House buildings. Our designs include all aspects of residential and non-residential building services including renewables, heat supply and distribution, water, electrical, fire detection, data services, lighting, security and access controls. We can also provide architectural design and detailing if required.

Website: http://www.leda.coop

Legacy Structural Design

Nottingham

Lorraine Whistance

New Radnor

Lorraine Whistance DipArch MCIAT is LW Studio, a small, independent design led architectural practice working predominately in Herefordshire, Shropshire, Worcestershire and Powys, but also further afield. With over 30 years industry experience across a range of sectors, LW Studio has a broad client base from private individuals, developers, housing associations, commercial and educational clients, to charities and community groups. There is consistent emphasis on design, ecology, energy efficiency and buildability, whether on small scale yet often complex refurbishment schemes, or larger new build projects. Although able to provide a full service from inception to completion, every project will naturally vary in the level of architectural involvement. Regardless of scale or complexity, LW Studio works inclusively and collaboratively with clients and consultants to achieve personalised results.

M Sustainability

Bristol

Website: http://msustainability.co.uk

Mantis Energy Ltd

Manchester

At Mantis Energy we believe that new and existing homes can be built better. We do this by designing properties into energy efficient, low running cost future homes. Mantis Energy specialise in low carbon buildings, renewable power generation and renewable heating & hot water systems. We provide a variety of design, project management and compliance services to see projects through from early concept to final installation and commissioning.

Website: http://mantisenergy.co.uk

MawsonKerr

Newcastle upon Tyne

Max Fordham LLP

London, Cambridge, Edinburgh, Bristol and Manchester

Max Fordham is an environmental building services engineering consultancy. For over 50 years, they have engineered energy, air, light and sound to bring buildings to life. From their five UK offices they have worked with the world’s leading architects on some of the world’s greatest buildings. Max Fordham’s Passivhaus portfolio includes award-winning exemplars of sustainable design and a diverse mix of beautifully engineered buildings. Having worked on some of the largest and tallest Passivhaus projects in the UK, they are comfortable delivering at any scale. They have a team of certified Passivhaus Consultants and Designers and are experienced in providing the design/planning service.

Website: http://www.maxfordham.com

MBC Timber Frame UK Ltd

Gloucester

MBC specialise in the production of Passive Homes throughout the UK for people looking to benefit from huge energy savings and reduce their heating demands by 90%. Our super insulated, precision engineered homes are at the forefront of innovation and design and are now available at an affordable cost. Once considered the construction technique of the future, our Passive House System is fast becoming the building method of choice by those wishing to live in beautiful, environmentally responsible, intelligent homes that generate significant cost savings.

Website: http://mbctimberframe.co.uk/

Mead: Energy & Architectural Design Ltd

London

MEAD was founded by Kym Mead in 2014 as an independent consultancy specialising in ‘low-energy’ buildings, offering impartial advice to industry professionals and aspiring self-builders. Our aim is to reduce the energy demand of domestic and non-domestic buildings, whilst also providing excellent indoor air quality and comfort levels. Our approach is to cost effectively improve the building fabric and services whilst using the local environment to enhance the comfort levels throughout the year.

Website: http://www.meadconsulting.co.uk

Method Consulting LLP

Swindon

Method Consulting is a specialist engineering and sustainability consultancy focusing on building services and sustainability in the built environment – our common goal is to reduce the environmental impact of buildings through better design, analysis and assessment. Our approach to building design is open and collaborative – we analyse problems, evaluate options and provide our clients with unbiased and incisive advice to allow them to make informed decisions and get the best possible outcomes. Intelligent thinking means considering the fine details as well as the broad concepts and our collaborative approach means we work closely with clients, architects and designers to solve problems. We are flexible but focused and we believe that our working environment should be open, transparent and conducive to development for talented professionals. Since our establishment in 2011, we have grown organically, opened new offices and expanded our expertise to cover a whole range of specialist services with engineering and sustainability at the core. Common to all our team is a detailed understanding of the fundamentals of building engineering, energy and sustainability, as well as experience and a pragmatic approach to ensure we provide the best possible service for our clients.

Website: http://www.methodllp.com

Miltiadou Cook Mitzman Architects

London

MWK Architects Ltd

Northampton

Website: http://mortonwykes.com

Nexus Associates

Worcestershire

Nexus provide innovative, sustainable and efficient ICT solutions integrated with the buildings they are designed for and the occupants and end-users that will use them. Our staff combined have over 250 years experience of designing, delivering and operating ICT solutions. From inception our solutions are designed to be energy efficient with minimal impact on the environment. We are an integral part of design teams with both traditional and off-site contractors, and work on a wide range of projects from offices, hotels, leisure, Civic Buildings, Student Accommodation and over one third of the DfE School Replacement Programme, Priority School Build Programme and Free School projects.

Website: http://nexus-associates.co.uk/

NP Architects

Cambridge

NP Architects is an award-winning RIBA Chartered Practice located in central Cambridge. We have built a firm reputation for excellence in residential design, working for both private clients and local property developers. We provide a high quality, client-focused service within Cambridge, Cambridgeshire and the surrounding region, offering a comprehensive design service including feasibility studies, master planning, planning applications, Passivhaus design, construction drawings and contract administration. When working with the Passivhaus standard we can provide expert advice and design to balance the needs of cost and design to provide a sustainable but economic solution tailored to the requirements of the project.

Website: http://nparchitects.co.uk

Octavo Ltd

London

Website: http://www.octavoconsult.co.uk

Oliver Cooper

Cambridge

One Planet Architecture

Kenilworth

Origin Design Studio Ltd

Lincoln

Website: http://origindesignstudio.co.uk

Passivhaus Associates

St Andrews

We provide design, consultancy and build support services for Passivhaus and "close to" Passivhaus projects. Graham Drummond and Chris Morgan are the principals. Our first project, the Craigrothie certified Passivhaus, was completed in 2011. We are based in Fife, Scotland and are actively involved with the Passivhaus Trust Scotland Group.

Website: http://www.passivhausassociates.co.uk

PD Consulting

Hereford

Rees Pryer Architects LLP

Bury St Edmunds

Rees Pryer Architects are an award winning chartered practice based in Bury St Edmunds. Our projects range from individual domestic schemes to complex multi-disciplined projects. We pride ourselves on providing well-considered and innovative design solutions that meet both Clients’ needs and reflect the character of the area in which we live and work. We believe that the design solutions and integrated systems that are most successful in their implementation are those that are mostly passive, and in essence, simple in their application. By working closely together these principles can be developed to ensure the Client realises a thoroughly successful long term solution.

Website: http://www.reespryer.co.uk

Richard Clayson

Bexhill 0n Sea

Richard Gaete-Holmes

Santiago

Richard Haig

Nottingham

Website: http://www.rharchitect.co.uk

RJ Energy Consultants

Aldridge

Website: http://www.rjenergy.co.uk

Sadler Energy and Environmental Services Ltd

Winchester

Sadler Energy and Environmental Services Ltd is a Winchester based independent Consultancy serving Southern England, providing Sustainable Development Advice, Calculations, Testing and Certification Services to the construction industry including: • SAP Calculations • Energy Performance Certificates (EPCs) • SBEM Calculations • Overheating Analysis • EcoHomes • Code for Sustainable Homes (CfSH) • BREEAM NC Assessments and AP • Home User Guides and O&M manuals • Flood Risk Assessments • Daylighting Calculations • Air Tightness Testing Level 1 & 2 + EA From our Head Office in Winchester we operate throughout Southern England, including: Hampshire, Dorset, Sussex, Berkshire, Wiltshire and Surrey, as well as London.

Website: http://www.sadlerenergy.co.uk

Samuel Miselbach

London

SE3D

Exeter

Website: http://se3design.co.uk

Simeon Kay

Swadlincote

Website: http://designphase.uk

Simmonds.mills

Hereford

SIMMONDS.MILLS architects is an architectural practice based in Shropshire and Herefordshire, established in 1992. The practice has pioneered a diverse range of techniques exploring energy efficiency and ecological materials through its’ built projects. Now the practice policy is to work towards all projects achieving ‘Silver’, ‘Passivhaus’ or ‘Gold’ energy targets outlined in the AECB’s Carbonlite Programme. The practice has a wide C.V. of built projects, and has worked for public organisations, charities, community groups and private individuals throughout the UK.

Website: http://www.simmondsmills.com

Skelly & Couch

London

Skelly & Couch Ltd are a multi-award winning practice of building environment and services engineers based in London and Bristol. We work across all sectors with the UK’s foremost architects, creating innovative, sustainable designs for bespoke projects with a construction value ranging from £1m to £50m. All of our engineers are trained in a broad range of disciplines and engineering skills, rather than focussing on a single discipline, such as sustainability, BIM or mechanical engineering. This holistic approach allows us to tackle complex design problems and create innovative long-lasting solutions for our clients and collaborators.

Website: https://www.skellyandcouch.com/

Spring Design Consultancy

Bridgend

Website: http://spring-consultancy.co.uk

Stephen Lloyd

London

Stewart & Shields Ltd

Helensburgh

Website: http://www.stewartandshields.com

Stuart King Architecture & Design Ltd

Rosyth

Website: http://www.stuartkingarchitecture.com

T Richard Jones (Betws) Ltd

Ammanford

The Healthy Home Ltd

Havant

The Healthy Home Ltd designs, project-manages and carries out residential retrofits for health, comfort and energy efficiency and specialises in using the appropriate modern and natural materials to ensure a moisture robust result. The director of the company, Richard Bendy, is a certified Passivhaus Consultant who has also successfully completed the AECB’s Carbonlite Retrofit course; he is a BPEC certified MVHR/MEV designer/installer/commissioner as well as being a NAPIT registered domestic electrical installer with a special interest in the use of circadian/sunrise/sunset lighting to improve occupant health.

Website: http://www.thehealthyhome.uk

The Independent Airtightness Testing Scheme

Lutterworth

The Independent AirTightness Testing Scheme (iATS) is an authorised Competent Persons Scheme created for companies (including sole traders and partnerships) that carry out Air Tightness Tests for residential and commercial buildings. Our professional scheme ensures that Air Testers deliver reliable air tightness testing reports for developers and building control bodies. Clients are always reassured that the work undertaken by Testers registered with the iATS scheme is delivered to a high standard of quality and integrity. You can find out more about iATS here: https://www.iats-uk.org/

Website: http://www.iats-uk.org

Thermal Image UK

Strathaven

Thermal Image UK carries out air tightness tests and thermal imaging on new and old buildings looking for heat loss. The company was set up in 2008 by Tom Barbour and carries out surveys on a range of domestic and non-domestic buildings. Tom’s motivation is limiting climate change through better buildings, and he has been an advocate of improved building standards and quality control for a number of years. More recently, the realisation that Passivhaus not only sets a higher energy design standard but that you get built what was designed, has led to Tom becoming a strong advocate of Passivhaus.

Website: http://www.thermalimageuk.com

Tim Martel

Stroud

Tim is a freelance Chartered Architectural Technologist, Passivhaus Designer and Retrofit Co-ordinator. He is an expert in PHPP and is the author of the AECB PHribbon, an add-on to PHPP that speeds up data entry, checks PHPPs and calculates the Embodied CO2 of buildings. Embodied CO2 is becoming important as the grid decarbonises and heating gradually moves towards decarbonising. What is left is mostly the Embodied CO2 of the building. He offers calculations using the software and he also sells the software on behalf of the AECB (via his own website below). He offers advanced PHPPs that use ‘variants’, a very useful standard feature from the Passivhaus Institute, that allows you to explore different options in PHPP, e.g. different roof types, different wall types or different retrofit strategies. He has also created automated sensitivity testing in PHPPs, design studies which explore the effect of changing individual parameters and also the effect of combining them together.

Website: http://phribbon.co.uk/

URBED Ltd

Manchester

Based in Manchester, URBED (Urbanism Environment and Design) Ltd is an award-winning design and research consultancy. Since we were founded we have been exploring how environmental sustainability can be applied to urban areas at masterplan and building scale. We believe in creating healthier communities and enabling good design. We have developed expertise in deep low-carbon retrofit to support this. We are a worker cooperative, with our values are reflected in the work we undertake, engaging in participative design and working collaboratively. Clients range from community organisations, charities and public bodies to housing associations and private developers.

Website: http://www.urbed.coop

Will Rudd Davidson Ltd

Edinburgh and Glasgow

Will Rudd Davidson provides Civil, Structural and Conservation Engineering and Construction Consultant Services from Concept Design to Completion. We provide an exemplary service, and aim to exceed all expectations making the journey as seamless as possible. With main Offices in Edinburgh and Glasgow, we deliver Civil and Structural Engineering services across a wide spectrum of sectors throughout Scotland and across the UK. We are skilled at providing cost effective, practical and elegant solutions. We thrive on Problem Solving, providing robust solutions to challenging briefs. Whether in City Centre gap sites, Buildings at Risk, poor ground conditions or marginal plots of land, we will add value.

Website: http://ruddconsult.com

Williams Energy Design

Braintree

Willmott Dixon

Letchworth

Willmott Dixon Group, founded in 1852, is the UK’s third largest privately-owned capital works, regeneration and support services company. The company’s family values and respect for people has seen the business achieve numerous accolades as one of the best places to work in construction. Willmott Dixon for the past three years has been the highest placed major contractor in the prestigious Sunday Times Best Companies to Work For list. Willmott Dixon’s internal sustainability consultancy, Re-Thinking, has a number of staff trained and qualified as Certified Passivhaus Designers and is actively promoting use of the approach across its three divisions.

Website: https://www.willmottdixon.co.uk/

WonKy: People Architecture Cities

London

WonKy is the partnership of Wai-Piu Wong and Lefkos Kyriacou with over 30 years collective experience in practice. The directors have taught extensively at universities and schools and been involved in architectural research and publications. WonKy considers the role of architecture and design in the context of broader societal issues to address problems and find opportunities to create projects that can deliver a significant impact. The practice undertakes research to inform and underpin their projects with an emphasis on the city and urban issues, with people first. The practice collaborates with artists, collectives, community groups and local authorities. WonKy places social and environmental sustainability at the core of the design process with a growing focus on urban ecologies.

Website: https://wonky.space/

Wyephi Design & Consulting Ltd

Hereford

Website: http://wyephi.co.uk