Passivhaus Affiliate

Members: Contractors

Advanced Housing Systems

Gerrards Cross

Our services are broad and detailed - we will help with any aspect of your build, from finding the best architect that suits you, to our TotalBuild and ManagedBuild services that insulates you from the difficult and time-consuming aspects of building so you can concentrate on the design elements that make it your own. For a more detailed look, go to SERVICES. Our products marry advanced technologies in areas such as thermal and acoustic insulation while using traditional wood based materials which are high performance and carbon zero or better.




Argyll are a team of building specialists with a proven track record in the high-end residential, commercial, hospitality, education and retail sectors. We operate across the South East of England and have also managed projects in Scotland. Since 2003, Argyll have built a reputation for delivering high quality, innovative building solutions to private and commercial clients, including Knight Dragon, Allied London, Maléne Birger, Harrods Estates as well as a number of UHNW individuals. We have developed a strong expertise in Passivhaus construction and design, and our team have delivered a multi-unit Passivhaus scheme on an Island in East London.


Atkins Global



Barbreck Joinery & Construction Ltd


Beattie Passive


The Beattie Passive Build System is a patented construction method that provides a continuous insulation seal around the core of a timber framed structure. Using Passivhaus energy efficiency principles, the double-layered insulation system is housed within a treated timber structure and delivers dramatic cost, time and environmental benefits. Adaptable to any shape/design of building the Beattie Passive construction method exceeds Passivhaus standards and is set to revolutionise the way we build today. As a company we offer a design only and a structural build service.


Bow Tie Construction

High Wycombe

Bow Tie Construction have many years of combined experience designing and building low-energy homes and M&E installations. The majority of their 70+ builders have worked on their certified Passivhaus projects. In 2019 their ‘Max Fordham House’ project won two RIBA London awards including one for sustainability. Bow Tie’s success isn’t just down to specialist skills, experience, and a dedication to style and innovation. It’s the result of their commitment to deliver the very best service to the architects, property developers and home owners who form their network of clients. Value-engineering is an essential stage of the process in which Bow Tie do their best to deliver a dream Passivhaus for the lowest £/sqm achievable. Just ask any of their previous customers, architects or suppliers – they are more than happy to supply extensive references. Bow Tie Construction welcome projects valued £500k - £4M.


Castle Building Services





With interests in both the Caribbean and London, CLC International offer construction, property development and management services. Our interest in eco building stemmed from working on a new Passivhaus home designed by a renowned, London architect, with a special interest in Passivhaus design. As a company, we have now re-aligned our goals towards the Passivhaus standard, and hope to use our influence and experience to work with progressive architects to deliver exciting and ground-breaking projects around the UK and beyond. We believe it is our responsibility as representatives of the building community, to ensure that we promote Passivhaus technology to all as the standard for building in the 21st century.


Craigs Eco Passive Homes

Croft by Bathgate

Current Electrical Installations Ltd




DS9 Design


Earthwise Construction Ltd



East Green Homes Limited


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.


Eco-Renovation UK

Hemel Hempstead

EcoVert Solutions Ltd


EcoVert Solutions is a retrofitting, design and building company, committed to using the latest sustainable materials and technologies to dramatically reduce energy consumption in your home. We use a range of ultra-modern and sustainable materials combined with a detailed knowledge of building physics and attention to quality to reduce our clients’ energy costs by up to 80%.


Goodbody & Co Ltd


Goodbody & Co. is a design, build and residence management company based in West London, which has a real understanding and interest in sustainable and low energy solutions. We carefully tailor each project to the individual needs of our clients, providing a complete service - from the initial site visits and concept discussions through to the completion of the build, as well as post-poject support.


Green Building Store


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 Footsteps


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.


Greenheart Sustainable Construction Ltd


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.


Greenleaf Design and Build Ltd



Hanse Haus GmbH


With more than 80 years experience in quality pre-manufactured SIP building construction and more than 30,000 houses built throughout Europe, including the first certified Passive Houses, HANSE HAUS offer a Start2Finish service


Hempsec Ltd


Hempsec Ltd. is the research subsidiary of Greencore Construction. Hempsec is involved in a 3 year, EU funded research project with Bath University to commercialise high performance, low embodied carbon building panel systems using hemp, lime and timber. Our work involves designing, thermal modelling, carbon auditing and post occupancy evaluation of buildings constructed by Greencore. We have two Passiv Haus trained members of the team (Ian Pritchett and Gabriela Lavatelli). We are also involved in developing our own design guide, services strategy and performance standards to combine the PH standard with the 2016 zero-carbon standard AND low embodied carbon using natural materials.


Husker Limited


Jigsaw Design & Construction Ltd


Jigsaw Design and Construction Ltd is a Federation of Master Builders and LABC accredited, innovative and forward thinking family-run construction business based in Hertfordshire. Established in 2006, we have grown in scale and ability by investing our time and energy into learning about modern methods of construction along with our keen willingness to work with newer building materials. We have become passionate about Passivhaus in the recent years and successfully delivered our first Passivhaus project with an impressive air change rate of 0.07ACH^-1. We are looking forward to the Passivhaus philosophy of construction growing in popularity in the UK in the years to come. Our team, from office to site, is dedicated to top-quality construction and excellent customer service and we hope to have the opportunity to work with you on your Passivhaus project!


Kier Group



Make Projects Ltd


Make is a building company and principal contractor based in Bristol. Working on creative construction projects across the South West, Make will deliver with no defects, on-time and to budget. Bringing experience of major contracting to the domestic market, Make can call upon a skillset that is rare amongst local builders. This enables us to tackle the larger and more complex domestic projects. At Make, we Design, Plan, and then Build. This may take a little longer, but it gives us the time to build relationships and to build quality.


MBC Timber Frame UK Ltd


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.


Mike Whitfield Construction Ltd


Mike Whitfield Construction Ltd is based in South Herefordshire. Mike first worked on a carefully designed energy efficient building in 1996, and since then has been on a steadily improving journey. In 2005 we were main contractors on the conversion of 2 barns into offices for the sustainable architects Architype, a project which won the 2007 RIBA Sustainability Award. By the time PH became known in the UK, we were already using many of the principles, and in 2010 when we started our first project that had been designed using PHPP, it was a natural progression for us. Since then we have worked almost exclusively on retrofits, extensions and new builds to PH principles. Mike has spoken on construction methods and detailing at AECB and UK Passivhaus conferences.


Morrison Construction Scotland


Morrison Construction are one of the leading contractors in Scotland, with an award-winning portfolio covering a range of activities and sectors, where we have a strong and proud track record in delivery. Morrison create exemplary schemes through partnership working, building long-term relationships with our clients and supply chain. Whatever the size or scale, we pride ourselves on delivering high-quality results for our clients every time. At the forefront of the construction industry, we deploy the latest innovative technologies, techniques and approaches, and have designed and built some of Scotland’s most pioneering, efficient and sustainable facilities.


Plumb Solar



Probuild Ltd



PRS Builders


PRS Builders is a dynamic firm of professional building contractors operating across Greater London and the South East of England. Established in 2006, we are fully participating members of the Federation of Master Builders, Passivhaus Trust and AECB the sustainable building association. We offer a complete turn-key package, providing fully insured project management services delivered by our team of accredited professionals. This means that we always achieve the design, no matter how complex or challenging. Our specialties are architect driven projects. Especially “Passive House,” the global leading environmental build system in which we have acquired an industry leading reputation. Our portfolio includes a number of completed projects, and many testimonials from clients and our architect project partners that endorse the quality of our work.


Rexstone Builders Ltd



Robinson Consultants Ltd





Stewart & Shields Ltd



Stuart King Architecture & Design Ltd



T Richard Jones (Betws) Ltd


Terry Huggett Developments


In 1967, Terry Huggett Snr set up Mexborough based Terry Huggett Developments Ltd, his aim to build a company with great merit and style. The business has been handed down to Terry Huggett Jnr, where the company has gone from strength to strength, winning multiple design awards. Over the years we have built up a loyal client base, and we are proud to say that we are still growing and investing our trusted, professional team at THD, enabling us to continue to deliver our precise quality and vision time and again to everyone who commissions us to deliver their dreams. Our company ethos centres around stress-free sustainable builds and attention to detail for a clean, contemporary and sharp finish. We pride ourselves in having the skills and understanding needed to guide every project from concept right through to completion. We have built a solid reputation of being an experienced and trusted company and place great emphasis on the quality of our work and the professionalism and knowledge of our staff.

The Healthy Home Ltd


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.


Willmott Dixon


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.