Passivhaus Affiliate

Members: Certified Designer / Consultant

Members in this category are, or employ, a Passivhaus Certified Designer or Consultant at the time of joining. To confirm the current qualification status of any of our members, please check the Passive House Institute’s comprehensive listing.

Read more about certification

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

AD Practice Ltd

St Albans

Founded in 1992, A D Practice Ltd is a small, well-established and multidisciplinary architectural design practice located in The Mill, Wheathampstead, Hertfordshire. We aim to work with clients and value our ability to listen and learn from them in order to create effective low energy solutions that form spaces that both work for people and improve their quality of life. We are also members of the AECB and Green Register and have a Certified Passivhaus Designer within the team. We are about to go on to site with our first EnerPHit project of a 1960s house in Harpenden and have several new Passivhaus dwellings and another EnerPHit project on the books.

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

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

Arboreal Architecture

London

We design beautiful buildings that are integrated into local and planetary ecosystems • We consider plants and animals as well as people and make habitat for all • We value existing conditions and skilfully retrofit them to improve their character and quality • We create places where people can feel connected to the natural world • We use architecture to help prevent climate breakdown • We love wood.

Website: http://arborealarchitecture.com/

Arc-In-Form Architect Ltd

Colchester

Architype

Hereford and London

Architype is an award-winning architectural design practice with a passion for creating outstanding contemporary architecture using environmentally sustainable materials and methods. Sustainability is at the heart of Architype's culture, inspiring and informing everything they do. Their work is primarily in the social sector, encompassing education, community, culture, housing and health. Led by directors Jonathan Hines and Bob Hayes, Architype has offices in Hereford and London.

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

Atkins Global

Bristol

Website: http://atkinsglobal.com

Axis Energy

London

Website: http://www.axisenergy.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/

Brennan & Wilson Architects

Dunbar

Based in East Lothian and working throughout Scotland and the North East, Brennan & Wilson Architects specialise in both rural and urban sustainable design of housing, commercial, community and arts projects. John Brennan and Julie Wilson met whilst working at Gaia Architects, and later formed Brennan & Wilson Architects in 2002. Julie Wilson is a European Certified Passive House Designer. The practice have completed their first project to passivhaus standards are currently carrying out post occupancy evaluation with Edinburgh University. John Brennan combines practice with academic education, and is programme Director for the MSc in Advanced Sustainable Design at Edinburgh University.

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

Buckrose Ecological Architects

Malton

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

Build Collective

Bristol

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

Catherine Cosgrove

Glasgow

Cayford Design

London

Cayford Design. Certified Passivhaus Designers, creating inspiring environments and buildings for well-being, creativity and productivity. RIBA Chartered Practice

Website: http://www.cayford.com

CBG Consultants

Oxford

Website: http://www.cbgc.com

ColdProof

Salford

ColdProof is run by Eric Fewster, a Chartered Environmentalist and Certified Passive House Consultant. He specializes in using Passive House methodology and thermal bridge modelling to analyse and plan whole house retrofit projects for existing houses – this includes not only the energy analysis that enables homeowners to reach specific space heating demand or carbon emissions reduction targets, but also a practical plan of action which includes MVHR design, material specification, bill of quantities, economic analysis and work sequencing. This is all arrived at through several trial runs in which scenarios for improvements are honed according to the available budget - all done in consultation with the homeowner. He also can act as retrofit coordinator in certain cases. http://www.coldproof.co.uk/

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

Comfort Being Ltd

Congleton

Comfort Being offers Design and Build services for simple yet breath-taking architectural designs, interior fit-outs, project management and costing for Passivhaus and renewable solutions. With research and development as its core principle, exceptional Designers experiment on a variety of materials and construction techniques using evidence based sustainable methods. The young, talented and dynamic team have published a paper to identify the hierarchical importance of key issues for Passivhaus buildings which was recently presented at the International Passivhaus Conference at Vienna, Austria. You can be truly comfortable in your very own Passivhaus and save up to 90% on energy bills. Our dedicated team will design and build your dream home right from inception all the way to completion at very convenient budgets. Whether it is a refurb-extension, new build or an eco self-build, Comfort Being has qualified and certified Passivhaus Designers who are happy to help.

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

Constructive Individuals

York

Constructive Individuals is a York-based practice run by architect and Certified Passivhaus Designer Phil Bixby. The practice brings to projects over 25 years of experience in working with communities and individuals to enable them to decide, design and build. Past projects have included community self-build and self-help projects, sustainable social and individual housing, and extensive work with children and young people. We have worked as architects, project managers and training consultants, and aim to work WITH clients, rather than simply FOR them.

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

Contour Architecture Ltd

Berkhamsted

Contour Architecture is an established RIBA Chartered Architecture Practice, based in Berkhamsted, Hertfordshire. We have provided Certified Passivhaus Designer services since 2016. In that time, we have completed a number of EnerPHit retrofit projects and are working on new build Passivhaus projects together with a number of ultra low energy, non Passivhaus certified designs, to similar standards for clients. Our aim is to exceed the expectations and aspirations of our clients, achieving design excellence through fully integrated, holistic and sustainable solutions, delivered on time and within budget.

Website: http://www.contour-architecture.com

Cowan Architects

East Grinstead

Cowan Eco Design, part of Cowan Architects, is led by Mark Elton who has been responsible for numerous exemplary new-build and refurbishment, low-carbon projects over the last 20 years. Cowan Architects has established itself over 33 years with a reputation in residential care homes and housing, including a particular expertise in inclusive design. This brings a good correlation between these sectors and the health and well-being benefits of the Passivhaus approach. With London and Sussex offices, Cowan Eco Design covers the south of the UK with particular interests in residential and community projects, including retrofit to the EnerPHit standard.

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.

Website: http://www.cundall.com

David Bryan

Hereford

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.

Dempsey Decourcy Architects

Ross on Wye

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 Arc Architects

Kendal

Eco Arc is an award winning chartered architects practice and environmental design consultancy committed to sustainable design. We are eco architects specialising in carbon neutral eco (ecological) architecture, eco building and sustainable design. Established over twenty years ago in 1986 to promote a holistic approach to ecological carbon neutral design. Our building designs typically generate their own clean renewable energy, harvest their own water and recycle waste materials causing no pollution or CO2 emissions.

Website: http://www.ecoarc.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

Elemental Solutions

Hereford

Nick Grant is a Certified Passive House Consultant with particular interest in innovative cost effective solutions to very low energy design. Nick is a Director of the Passivhaus Trust and long time AECB Trustee. His expertise ranges from strategic analysis to construction details and practical troubleshooting. He works freelance and in association with other professionals to provide design advice for projects that range from single dwellings to schools.

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

Enhabit Ltd

London

Enhabit uses fabric-first building physics principles to design and build living spaces that are comfortable, healthy, energy efficient and easy to maintain. As a team of engineers, project managers and passivhaus designers, Enhabit uses engineering and building physics to help our clients in building their dream home, on time and on budget. We have a trusted network of building contractors, ventilation, heating and solar technicians, architects and structural engineers to help design, install and commission our building systems. Our extensive product range includes MVHR, solar PV and thermal, air and ground source heat pumps, heating systems, airtightness, insulation and more.

Website: http://www.enhabit.uk.com

Etude

London

Etude are a team of sustainability engineers specialising in low energy building design and environmental assessments. We are Passivhaus Certifiers and can help you achieve the Passivhaus standard.

Website: https://passivhaus.etude.uk

FBN Passivhaus Ltd

Glasgow

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

Gale & Snowden Architects Ltd

Gale & Snowden Architects Ltd are an award winning practice that provides an integrated approach to low energy and environmental responsible building and landscape design. This approach involves an in-house fully integrated design team of building and landscape professionals who specialise in ecological design including: architects, mechanical engineers, landscape, permaculture and certified Passivhaus designers. Gale & Snowden have undertaken exclusively low environmental impact design since 1992 and as a result we have a wealth of experience and a quality portfolio of buildings demonstrating healthy, passive design and very low energy buildings that are practical to build, run and work properly.

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

Gardner Stewart Architects

London

John Pratley is an experienced designer with over 20 years commitment to creating and delivering sustainable architecture and masterplanning environments; with particular interest in social, community responsibilities and energy-efficient, ecological design. He is a Certified European Passivhaus Designer. John is currently leading the design delivery for Gardner Stewart Architects of the Passivhaus EnerPHit Retrofit of over 100 social housing flats within the eleven-storey Wilmcote House tower block in Southsea, Portsmouth. Website: gsa-studios.com

Website: http://www.gsa-studios.com

Geraint Efans Pensaer

Caernarfon

Website: http://www.caban-cyf.org/EN/tenants.asp?id=36

Good Architecture

Hertford

Good Architecture has 20 years experience of designing buildings for living, community and work. It is our intention to create low energy, environment conscious, inclusive buildings through: • Good working relationships during the project and after. • Good design that meets the project brief, makes economic use of resources and results in buildings that are good to use. • Good detailing and construction. As well as new build projects, we have worked on many old buildings that have demonstrated ‘loose fit’ - the ability to be adapted and used in a new way.

Website: http://www.goodarchitecture.co.uk/index.php

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. 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 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 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

Greengauge is a building & engineering consultancy specialising in sustainable, low energy design. Physics and thermal dynamics drive our philosophy and we approach our projects ‘Fabric First’ to deliver buildings that are comfortable, simple and efficient. We work on new-build and existing buildings optimising insulation, fenestration and thermal bridging to produce robust buildings with minimal systems necessary to maintain comfort. We are completely independent of manufacturers, products and installers so can provide objective advice, backed up by a suite of software tools and research.

Website: https://ggbec.co.uk/

Grigor Mitchell Architect

Edinburgh

Grigor Mitchell ARIAS is an ARB-registered architect and certified Passivhaus designer. Based in Edinburgh, he has a strong portfolio of work throughout Scotland, drawing on expertise both as a solo practitioner and a design/delivery architect for practices including Allan Murray, LDN and Dyer. Focused on maximising space and minimizing energy, Grigor works closely with clients to develop robust and practical ecological solutions to their needs, particularly in the innovative reuse of existing structures. His work is delivered with sensitivity to the wider public realm and urban environment, reflecting time spent with major international practices, including Daniel Libeskind in Berlin.

Website: http://grigormitchell-architect.co.uk/

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

HM Architecture

Kendal

HM Architecture is a client focused chartered architectural practice based in Kendal, Cumbria on the edge of the Lake District. Partner and Chartered Architect, Mark Deverill, is a Certified Passive House Designer and Chartered Architectural Technologist. The logical fabric first approach of Passive House sits comfortably with our design approach and company ethos, where simplicity, practicality and aesthetics combine.

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

Jim Miller Design Ltd

Hove

Jim Miller Design Ltd is a leading architectural practice based in Brighton and Hove, Sussex specialising in sustainable buildings from its inception in 2003 and now working exclusively to Passivhaus standards. Projects range from deep retrofits / EnerPHit to small housing projects with long standing relationships with local contractors proficient with Passivhaus builds. Jim Miller is a certified Passivhaus Consultant and oversees every aspect of the project ensuring excellent attention to detail throughout.

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

Kirsty Maguire Architect Ltd

Fife

Kirsty Maguire leads an award winning eco architecture practice, delivering high performance, beautiful and practical buildings which are low cost to run, energy efficient, elegant and inspiring. The passivhaus standard forms an integral part of this. Kirsty Maguire Architect Ltd also provides training in this sector for students and professionals. Projects are run across Scotland and internationally with clients ranging from private individuals to large organisations such as the United Nations. With 15 years experience in the sector, KMA brings together experience and innovation in design and construction. The practice also works collaboratively with other industry leading specialists.

Website: http://www.kirstymaguire.com

LEAP

Durham

Mark Siddall is principal at LEAP: Low Energy Architectural Practice, is a practicing architect that has a keen interest building performance. Issues of usability and practicality inform his approach and have increasingly led to an appreciation of the need for an integrated, consensus based, design process. He was project architect, and Passivhaus Designer, for 25 award winning, Passivhaus Certified dwellings at the Racecourse Estate, Houghton-le-Spring. He was also project architect on a number of award winning Retrofit for the Future projects that targeted an 80% reduction in carbon emissions. In addition to offering architectural services Mark provides consultancy, energy analysis, project enabling and training for clients, design teams and constructors. Mark has published papers internationally on subjects including; the influence of design and construction defects upon building performance, the quality assurance of building design and construction, whole systems design, environmental management systems, and the impact of glazing systems upon comfort and energy demand. He is a technical advisor to the PassivHaus Trust and a part time Senior Lecturer in Construction at Northumbria University.

Website: http://www.leap4.it

Leeds Environmental Design Associates Ltd (LEDA)

West Yorkshire

LEDA was formed in 1997 as a multidisciplinary partnership of design engineers and architects committed to creating sustainable, environmentally friendly buildings. We use our construction experience to make your plans practical and usable. As a firm driven to create buildings with low energy performance that are also healthy and comfortable, we are proud that LEDA can now offer a fully-coordinated building design including static and dynamic thermal modelling, designPH, Passive House Planning Package and Therm modelling. We recently augmented our Passive House capabilities, welcoming Richard Spencer, engineer and sustainability specialist, to the team. Richard completed the AECB Carbonlite Retrofit course in 2016 and became a Certified Passive House Consultant in 2017. Richard will be working with James Clifford, our Architectural & Environmental Design Assistant, and the LEDA team to further support architects and clients with the designs for Passive House and near passive house buildings, including renewables, heat supply and distribution systems, water and electrical services, lighting, and communications.

Website: http://www.leda.coop

Linktreat Ltd

Norwich

Martin Ingham is an independent consultant specialising in energy efficiency in the built environment. He is a Certified Passivhaus Designer and has a background as a Chartered Civil Engineer and Business Consultant. He has an MBA in Strategic Carbon Management from the University of East Anglia, and has increasingly focused on Passivhaus as being a proven means to deliver low energy buildings. Martin advises clients on their projects from concept through to post-occupancy evaluation. He believes it essential that we ensure our buildings deliver for their occupants - in practice not just in theory. Martin has led performance evaluation studies funded by InnovateUK (formerly the Technology Strategy Board) and by ERDF, of domestic new build and refurbishment, as well as non-domestic new build. Studies include ongoing assessment of the award-winning Wimbish Passivhaus development.

Liz Meddings

Bristol

Luft MVHR Ltd

Totnes

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

Mast Architects

Glasgow

MAST Architects are an award winning practice based in Glasgow delivering projects across a number of sectors but with a focus on residential, conservation and community projects. In addition to these, we are also involved in care, leisure, work and learning projects. MAST adopt an innovative and pragmatic approach to design, working closely with clients to achieve their aims and objectives, underpinned by our belief that people, place and community are placed at the heart of what we do. We believe that all projects are unique and we work to develop sustainable environments with a focus on creating a sense of place.

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

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

Mead: Energy & Architectural Design Ltd

London

MEAD: Energy & Architectural Design Ltd was founded by Kym Mead in 2014 as an independent consultancy specialising in Passivhaus buildings, offering impartial advice and certification to industry professionals and aspiring self-builders.

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

Noel Wright

Petersfield

Noel Wright Architects is a small, award-winning RIBA Chartered Practice based in Petersfield, Hampshire. Our focus is on producing inspiring design and thoroughly considered work incorporating our ethos, experience and skills so as to create holistic, highly performing, comfortable low energy buildings of good lasting quality. We work with our clients to develop bespoke solutions to fit their particular requirements and aspirations, producing appropriate answers for particular people and places, rather than preconceived standardised solutions. Certified Passivhaus Designers. Our aim is to make better things - better places, better buildings, better designed, better constructed, better performing , better to live with, and better than you had imagined.

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

NWD Architects Ltd

Tarporley

Formed over 40 years ago, NWD Architects are a RIBA certified, ARB registered Architectural Practice with a wealth of experience. With our multidisciplinary team, we are able to offer expertise in all major sectors of the industry including residential, commercial, education, civic and extra-care. We believe that high-quality architecture that is specific to the Client and the project should be available to all, and we have a long history and proven track record of delivering high quality results. We are just as passionate about the environmental and social impact of our designs as we are about their architectural impact. Within our team we have a certified Passivhaus designer, who can tailor your project to your individual needs, whether this be updating an existing building to ensure it consumes just a fraction of the energy it used to, or creating a new, fully certified Passivhaus building. We enjoy meeting with potential clients to discuss their ideas and aspirations, and offer a cost-free consultation in order to provide clients with tailored advice and quotations to suit their requirements.

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

Optimum Architecture Ltd

Nr Colchester

Optimum Architecture was founded by Stuart Davis MCIAT, Certified Passivhaus Designer. We offer our services to suited clients to utilise our skills, experience and passion to design and realise a high quality, low energy project, either residential or commercial. Our experience enables us to provide our clients with designs that fulfil their requirements whilst achieving high quality architectural solutions. The Fabric First approach will achieve a premium standard of construction, superb comfort and low running costs. If you have a project that would benefit from our service then we would be pleased to discuss your requirements with you.

Website: http://www.optimum-architecture.co.uk

Paper Igloo Ltd

Kippen

We are a small flexible team currently based in Glasgow who believe that fantastic architecture should permeate every aspect of your daily life. We aim to create site-specific high quality design solutions at any scale – the spaces in which we all live and work should be sensory, exciting, inspiring, imaginative and fun. Our experience includes time spent working on site so we have a practical understanding of construction, which we believe will give you a more thorough and thoughtful solution. We are building a strong commitment to low-energy design, and one of our directors is a certified Passivhaus Designer.

Website: http://www.paperigloo.com

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

phi Architects

Greater Manchester and Ripon

The Phi group reflects a design philosophy of “smart" architecture, sustainable and environmentally responsible design. Architects and Certified Passivhaus Designers, Claire Jamieson and Sara Darwin work in the Yorkshire and greater Manchester regions respectively, sharing knowledge for best practice details, construction and Passivhaus modelling. Sara specialises in modern residential architecture, from extensions and low carbon retrofits to Passivhaus new build dwellings. Sustainable design excellence is always the priority; a fabric first approach is inherent to phi architects’ philosophy and where possible the Passivhaus standard is set as the benchmark. http://www.phi-architects.com Claire works as a Passivhaus design consultant, preparing PHPP, advising on practical solutions both “on-site” and through the design phases. Having recently completed her own self build EnerPhit Passivhaus she is keen to share her knowledge and practical application through all types of renovation and new build work as a specialist in the professional team. Claire also lectures on her work, writes Passivhaus articles, and is a member of the Yorkshire Design Review Panel. http://phi-architecture.com/

Website: http://www.phi-architects.com

Piers Sadler Consulting

Bristol

Piers Sadler is a Certified Passivhaus Designer and Consultant based in Bristol but working in all parts of the UK. Piers works on both domestic and non-domestic Passivhaus projects, with project experience including a range of private houses, a 26 unit Passivhaus scheme in Bristol, the proposed Carmarthen archive repository and offices and Gorslas Primary School in Carmarthenshire. Piers collaborates with architects, engineers, contractors and Passivhaus Certifiers through the project life cycle. Piers advises on the building fabric, construction, airtightness, thermal bridging, windows and doors, ventilation, heating and domestic hot water systems and undertakes PHPP modelling to develop and optimise Passivhaus design. Piers is also experienced in low energy building refurbishment, not necessarily to the Passivhaus standard.

Website: http://www.piers-sadler.co.uk

Poulter Architects

Stockport

Poulter Architects is an RIBA Chartered Practice based in Stockport, Greater Manchester. We are committed to designing modern, sustainable and low carbon buildings of lasting quality. Our expertise is in housing, ranging from the renovation of existing dwellings, to individual houses, as well as housing schemes. As a certified Passive House Designer, Jeremy Poulter is able supplement the architectural design, by applying Passive House principals and detailed design analysis at every project stage, from inception to completion. We would welcome any enquires for EnerPHit or Passive House dwellings, across the North West, as well as Staffordshire, Derbyshire and South Yorkshire.

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

QODA Consulting

Oxfordshire

Joel joined QODA in January 2018 as a Technical Director, and is responsible for the sustainability and building physics team, including leadership, best practice and technical excellence in all our projects and across all offices. Joel is a specialist in the design of buildings for natural daylight, and in very low energy construction methods. He is a Certified Passivhaus Designer and brings this expertise to a wide range of QODA projects with the highest ambitions for sustainability. He is a regular conference speaker, on a range of topics relating to his specialisms. Joel is a passionate advocate of good architecture and buildings that exceed the expectations of their users, and has wide-ranging experience of projects in sectors including Education, Health, Commercial and Scientific. Joel has particular experience in: • Design of building facades for solar and daylight • Natural ventilation design • Façade and fabric solutions for low-energy and passive buildings • Low and zero carbon technologies Joel has a degree in Mechanical Engineering and Materials Science, a PhD in Daylight in Buildings and is a Chartered Engineer with the IMechE

RedSix

Cardiff

Redsix are an independent sustainability and energy consultancy to the construction industry, helping our clients to achieve compliance targets as efficiently as possible. Our in-house Passivhaus, BREEAM and Energy (Part L & EPC) consultants will provide the highest level of quality and service, whilst maintaining a personal relationship with all our clients, making the process as simple and stress-free as possible.

Website: http://www.red-six.co.uk

Steve Connor

London

Suetake Studio 2

Chelmsford

Junko Suetake is a Japanese architect and certified Passivhaus designer. Her design is characterized by a considered approach to comfort, climate and landscape, using locally made materials where possible. The aim is to create sustainable development, which meets user’s needs, without compromising design quality. She has produced innovative and award-winning spaces for various happy clients in the UK and Japan and believes in the efficacy of collaboration and sharing knowledge with others such as the PHT. The last 6 years have been dedicated to sustainable housing, school projects, and a low energy straw bale community building produced by Anne Thorne Architects.

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

Warm: Low Energy Building Practice

Plymouth

Warm is an independent consultancy with the theoretical and practical understanding to bring pioneering low energy buildings from design to reality. WARM was set up in 2009 by father and daughter, Peter Warm and Sally Godber, with the aim of creating buildings with real energy savings. All our full-time staff are Certified Passivhaus Designers and our group includes chartered engineers & architectural technologists. Whilst there are only 8 of us our reach is significant in the Passivhaus World: WARM are the most prolific Passivhaus consultants and Certifiers in the UK, and winners of the 2019 CIBSE Award for Building Consultancy up to 100 employees as well as Passivhaus Designers of the UK’s best new building, winner of the RIBA Stirling prize 2019. Most Passivhaus projects in the UK have been either one-off self builds or low-rise estates for social housing, but we have been involved in nearly every Passivhaus school in the UK and the largest Passivhaus building. We also provide building services design, training, monitoring and anything else for low energy buildings that will improve the built environment. We strongly believe in disseminating information and manage the very successful Carbonlite training programme for designers and contractors as well as bespoke courses for clients.

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

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/

Yellow Door

London

I am a Chartered architectural technologist, a member of the Green Register, the AECB and a Certified Passive House Designer. I deliver residential and commercial projects in the UK. I believe in responsible design, and my passion for the built environment is driven by the challenge to provide spaces that make use of sustainable resources while enhancing the lives of their inhabitants. I like nothing more than to use - or creatively reuse - found objects in my projects. My aim is to deliver stunning architecture and design by providing clients with creative, sustainable solutions to realise their vision within their budget.