Patron Members

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Our Patron members, including companies and organisations who are leading the delivery of Passivhaus in the UK, make an essential contribution to the Trust’s work, support us in lobbying for policy changes, and inform the direction of campaigns and research at our annual Technical Panel. Learn more about Patron Membership and the criteria to join.

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Join the Passivhaus Trust

Join a growing Passivhaus community, get discounts on training & events, and get International Passive House Association (iPHA) member benefits too.

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Login to your account to add or edit a listing, or claim an existing listing. If you need help, email ku.gr1746210942o.tsu1746210942rtsua1746210942hviss1746210942ap@pi1746210942hsreb1746210942mem1746210942

Patron
Hastoe

Hastoe Housing Association

Hampton Wick Surrey
Hastoe is an independent registered housing association that owns and manages over 7,500 homes of mixed tenure, including affordable rent and shared ownership. As the UK’s leading rural housing provider, it supports communities in 70 local authority areas across the south of England; from Cornwall to Norfolk. Its roots are View listing →
Patron
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Willmott Dixon Holdings Ltd

Letchworth Garden City
Willmott Dixon is a privately-owned contracting and interior fit-out group. We are a founder member of the UK’s Passivhaus Trust and a leading contractor in Passivhaus having delivered the most non-domestic, Passivhaus certified projects over 1000m2 across England and Wales. We have built some of the UK’s most pioneering Passivhaus View listing →
Patron
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Architype

London
Architype is an architectural design practice with a passion for creating uplifting, genuinely sustainable architecture using environmentally conscious materials to deliver healthy buildings for people to work, live and enjoy. Sustainability is at the heart of Architypes culture, inspiring and informing everything they do. Operating from two busy offices in View listing →
Patron
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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 View listing →
Patron
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21°

Huddersfield
At 21°, we believe you thrive in the places where you experience comfort. Delivering a low energy or Passivhaus building is complex, and you need a solution rather than a single product. At 21°, we are committed to using a whole house approach to provide better performing buildings from a View listing →
Patron
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AtkinsRéalis

Epsom
AtkinsRéalis is a world leading design, engineering and project management organisation. We connect people, data and technology to transform the world’s buildings, infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We View listing →
Patron
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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 View listing →
Patron
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Passivhaus Homes Ltd

Totnes
PHH supply a complete construction solution, PH15, for Passivhaus housing projects. PH15 covers the three essential Passivhaus elements, the thermal shell + triple-glazed windows + MVHR system. PH15 has been optimised to minimise thermal bridges, to deliver excellent airtightness, to effectively manage any overheating risk, & to keep the uplift View listing →
Patron
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City of Edinburgh Council

Edinburgh
Patron
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Aluprof UK Ltd

Altrincham
Aluprof is one of the prominent European suppliers of architectural aluminium building systems for both commercial and residential building constructions. Aluprof’s product portfolio includes windows, doors, unitised systems, curtain walling, facades, rolling shutters, garage doors, framing systems and entrance doors. The vast product library of Aluprof with fire-rated and Passivhaus View listing →
Patron
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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 worlds greatest buildings. Max Fordham’s Passivhaus portfolio View listing →
Patron
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Build Homes Better

Cambridgeshire
Build Homes Better provides a range of high quality ICF systems for walls and foundations that can be used to construct almost any kind of building and exceed Passivhaus requirements with ease. We work with self-builders, architects, housing associations and developers to offer a simple, fast, and green construction solution View listing →
Patron
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A. Proctor Group

Blairgowrie
The A. Proctor Group’s range of construction membranes has been designed using years of research and development to provide comprehensive protection to the building envelope from both inside and outside of the structure, also addressing the requirements of heat, air, moisture management within the building element. Based on this research, View listing →
Patron
internorm

Internorm Windows UK Ltd

London
Internorm offers the most comprehensive range of bespoke high-performance, triple-glazed windows and doors in Timber-Aluminium composite, uPVC, and aluminum-clad uPVC in a wide choice of colours and finishes. As an industry leader for over 90 years, Internorm’s award-winning windows, large lift & slide, French and entrance doors are ideal for View listing →
Patron
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Munster Joinery

Wellesbourne
Munster Joinery is now among the largest manufacturers of energy efficient windows and doors in Europe. We supply premium windows and doors across the UK. View listing →
Patron
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Ecological Building Systems

Carlisle
Ecological Building Systems has been at the forefront of Intelligent Airtightness and Windtightness building product solutions and natural insulations for over a decade, gaining the sole agency in Ireland and the UK for ‘pro clima’ air & windtight products; GUTEX wood fibreboards; Calsitherm Climate Board; Diasen Thermal Plaster Systems, Thermo View listing →
Patron
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Coaction Training CIC

plymouth
With over 12 years experience in delivering quality Passivhaus training (previously under the Carbonlite banner), in 2022 we relaunched as Coaction Training CIC, a social enterprise driving upskilling for low-energy building in the construction industry and tackling the performance gap. Our courses are aimed at creating a broad base of View listing →
Patron
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Morrison Construction

Hinckley
Morrison Construction is part of Galliford Try, one of the UK’s leading construction groups employing 3,700 people across the country. We are a people-orientated, progressive business, driven by our values to deliver lasting change for our stakeholders and the communities we work in. We are passionate about our role in View listing →
Patron
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LAMILUX UK Ltd

Bury St Edmunds
LAMILUX are proud to introduce our Passivhaus Flat Roof Skylights, Smoke Vents and Glass Roof System – all essential features in the design and construction of Passivhaus buildings. We understand the importance of high-quality components on Passivhaus buildings, which is why with the LAMILUX Passivhaus rooflight products, you are in View listing →
Patron
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Eco Design Consultants

Great Linford
Eco Design Consultants are an award winning Architecture Practice, lead by Alan Budden a Chartered Architect, European Certified Passivhaus Designer and PHPP Expert. Our ethos is to provide fun, enjoyable buildings that are highly comfortable and inherently low energy, by using form and fabric intelligently. We specialise in Retrofit and View listing →
Patron
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Etude

London
Etude are an experienced team of sustainability engineers specialising in low energy building design and environmental assessments. We are accredited Passivhaus Designers and Passivhaus Certifiers helping you create buildings that have the best internal comfort, minimal impact on the environment and the lowest operating cost. We provide building physics design View listing →
Patron
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Zehnder Group

Camberley
Zehnder Comfosystems provides a unique approach to indoor climate control introducing Eco-conscious homeowners to the benefits of integrated whole house solutions and a unique approach to controlling the indoor climate. With a choice of options ranging from heat recovery and comfort ventilation, to the ComfoBox which can provide heat recovery, View listing →
Patron
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Metal Technology Ltd

Antrim
Metal Technology Ltd is one of the UK and Ireland’s leading architectural aluminium systems companies. Specialising in the design of bespoke window, door, and curtain wall systems, offering exceptional levels of thermal performance and low U values including a range of Passive House accredited products. The company operates daily dispatches View listing →
Patron
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ECD Architects

London
ECD Architects is an award-winning practice specialising in the design of low energy, low environmental impact buildings, cost effectively and to the highest quality standards. ECD was established in 1980 with a focus upon sustainability as Energy Conscious Design. Today we have offices in London, Preston and Glasgow, and employ View listing →

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