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Patron Member

Patron Members

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.

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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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@rchitects Scotland Ltd

Angus
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 →
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A D Practice

Wheathampstead
Founded in 1992, A D Practice Ltd is a small, well-established and multidisciplinary RIBA Chartered architectural practice located in The Mill, Wheathampstead, St Albans, Hertfordshire. We aim to work with clients and value our ability to listen and learn from them in order to create better spaces that both work View listing →
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A-Tec Design

Newquay
A-Tec Design have been a member of the ‘Chartered Institute of Architectural Technologists’ since 1996, providing a professional architectural design service throughout Cornwall and England. Daren Thomas has been involved within the construction industry for over 40 years, working on a wide range of projects as a setting out engineer, View listing →
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A-Zero Architects

London
A-Zero Architects is a RIBA chartered practice based in London. Founded in 2010, its work focuses on designing and procuring buildings in a way that doesn’t harm the environment. Our projects range from residential and commercial to cultural. We works on new buildings, old buildings put to new uses, as 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 →
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ADAM Architecture

Winchester
ADAM Architecture is a leading international practice specialising in traditional architecture and urban design from its studios in London and Winchester. Its portfolio includes masterplanning and development, private homes, public and commercial buildings, and historic and listed buildings. A multigenerational business, ADAM Architecture is run by five Design Directors, each View listing →
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Adam Staniland

Dundee
Architect and Passivehaus Designer based in Broughty Ferry Dundee at Nicoll Russell Studios. View listing →
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AECOM LTD

London
At AECOM, we believe infrastructure creates opportunity for everyone – uplifting communities, improving access and sustaining our planet. We’re committed to managing our business with the upmost responsibility and to always strive for better — be that reducing emissions, delivering social value or creating a welcoming workplace. We understand both the urgency of the challenges facing our society and our responsibility to View listing →
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Aero Barrier UK

Swainshill
AeroBarrier UK is a company specializing in advanced air sealing solutions for buildings. Their mission is to maximize the energy efficiency of buildings by providing a plug-and-play air sealing system that eliminates leakage in four easy steps. Their innovative technology involves pressurizing a building and using a non-toxic mist to View listing →
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AHR

Manchester
We are architects and building consultants who believe places have the power to shape a more positive future. By embracing innovation, and with expertise grounded in two centuries of practice, we deliver healthier, safer, and smarter buildings and spaces. We are committed to promoting sustainability throughout our projects and working View listing →
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AHR – Birmingham

Birmingham
Other branch
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AHR – Bristol

Bristol
Other branch
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AHR – Cardiff

Cardiff
Other branch
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AHR – Glasgow

Glasgow
Other branch
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AHR – Huddersfield

Huddersfield
Other branch
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AHR – Leeds

Leeds
Other branch
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AHR – London

London
Other branch
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AHR – Shrewsbury

Shrewsbury
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Air tightness tester

Downham Market
ATTMA accredited air tightness testing ATTMA accredited ventilation commissioning including MVHR We offer Air Tightness Testing and Ventilation Testing/Commissioning, inc MVHR/MEV for new and existing domestic properties including Passiv/low energy which is required by Part L and Part F (England & Wales) of the Building Regulations, aswell as Air Tightness Testing for commercial buildings View listing →
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