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Welcome to our new members!

Simon B, Thomas B, Ruth C, TSL Contractors Limited, POLKEYCOLLINS, Beattie, JKT Architecture Ltd, Hawkland Group Ltd

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

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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 →
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ConstruktCLT

London
12902

SIGA

London
SIGA is leading in the development, production and distribution of products free from residential toxins for the air and windtight building envelopes with the goal to build a world of zero energy loss buildings. SIGA-sealed buildings are characterized by low heating and ventilation costs, higher standard of comfort without drafts View listing →
magmatech

Magmatech

London
MagmaTech develops thermally insulating fixings designed to remove thermal bridging from insulated buildings. This includes low conductivity basalt fibre wall ties for use in masonry cavity walls; “TeploTie TM”. The ties were used in the breakthrough Denby Dale Passsivhaus project and many other low energy projects across the UK. Fixings View listing →
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