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.


Anglia Air Testing


Anglia Air Testing was set up in 2006 to provide air leakage testing for compliance with UK Building Regs part L. Since then we have added ventilation testing for part F and MHVR commissioning to our services. As a very experienced air leakage tester we have been referred by a number of Passivhaus assessors to carry out tests on their behalf and provide results and reports. We are registered members of the ATTMA Scheme (Air Tightness Testing & Measurement Association). Our tests are carried out in accordance with ATTMA (Air Tightness Testing and Measure Association) TS L1 standards and use Retrotec equipment calibrated to UKAS standard annually. We cover all of East Anglia and the South East.

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


CLC International (CASFAS Ltd)


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.


DS9 Design


Duncan Cameron & Hutchinson Ltd


DCH Construction (Duncan Cameron & Hutchinson Ltd) have been constructing good quality housing for over sixty years in the East Anglia region. We recognise the importance of managing a process that demands attention to detail that is the essence of Passivhaus. With a team of dedicated staff, we have embraced sustainable housing in many forms over the years. We have completed a number of Passivhaus projects to date and it is our aim to continue to provide this focus on successfully delivering our current and future Passivhaus projects to our valued clients.


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 is a manufacturer and supplier of cutting edge sustainable building products. As well as offering a wide range of Passivhaus products ( including MVHR, windows, wall ties and airtightness products), Green Building Store also now offers Passivhaus training, construction and consultancy services. Its construction division – Green Building Company – recently built the Denby Dale Passivhaus – the UK’s first cavty wall Passivhaus. To get cavity wall to perform to Passivhaus standard the team had to develop many original design details, especially around junctions. These details are outlined in various free resources available from Green Building Store’s website, including a technical briefing and film on the project.


Green Evolucion Ltd


We offer to build a luxury home, extension or retrofit your existing home that is designed to be naturally cool during the summer and warm in the winter and to save CO/2 emissions and running costs, which will provide a healthy live in space and with class and style inside and out. We design and build your luxury home with a high-level architectural design and construction that exceeds the standards of Building Control in terms of insulation, energy efficiency, stability and durability


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


Intuitive Renovations, Security & Electrical Services


Jigsaw Design & Construction Ltd



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.


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.


Stewart & Shields Ltd


Stewart and Shields Ltd are a Third generation family owned Specialist Building Contractor based in West Central Scotland. The Stewart & Shields Passive Build Team are fully committed to eliminating Fuel Poverty, and delivering homes which have minimal ongoing maintenance costs. We have been constructing Award Winning Passivhaus Type buildings since 2004 and are currently completing Glasgow`s first Multi Storey Passivhaus Certified Development We are here to support the urgent requirement and necessity for sustainable Energy Efficient homes and regeneration of current housing stock. This will assist the Scottish Government in delivering their Scottish Energy Strategy objectives within affordable Social Housing Cost parameters.


Stuart King Architecture & Design Ltd



T Richard Jones (Betws) Ltd


The Casey Group Ltd


Strong leadership has meant that Casey has stayed at the forefront of changing practice. Delivering the UK’s first large scale retrofit EnerPhit project, of 32 maisonettes in Manchester, saw Casey develop ground breaking techniques to achieve the prescribed standards. Better housing, better social environments and a better standard of living help create communities that are better integrated and that enjoy a heightened sense of unity. Preserving the environment, commitment to quality and caring for the community are the three central principles on which Casey places its business. It is these that give company its enviable record of delivery of first class product on time, within budget and with the highest regard for quality, safety and customer satisfaction.


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.


The Make Group


Make is a design led chartered building company based in Bristol. Working on creative construction projects; Make will deliver on-time, to budget and with no defects. 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.

Willmott Dixon

Letchworth Garden City