Passivhaus News
Here you will find the latest UK Passivhaus news. View our most recent Passivhaus Trust monthly newsletters here. To get the latest news & events straight in your inbox sign-up to the PHT mailing list.
Registration now open! UK Passivhaus Open Days
Are you ready to share your Passivhaus story?
29th May 2025
The UK's Passivhaus giants
As Passivhaus projects start to scale up, is bigger better? Here we spotlight the UK’s largest Passivhaus giants – ranked by treated floor area (TFA) and compare them to major certified Passivhaus projects around the world.
23rd May 2025
Major UK housebuilder to build Passivhaus for the masses
Imagine a home so well insulated, your winter heating bill drops by 60%. A home that stays cool in summer, warm in winter, and saves you money every single day. Thanks to a bold move by one of the UK’s biggest housebuilders, this dream is no longer just for eco-self-builders — it’s going mainstream. Barratt is set to adopt Passivhaus at scale.
20th May 2025
Last chance to book! Retrofit at scale
Don’t miss the penultimate webinar in our 2025 Large & Complex Passivhaus Masterclass series! Join us for a deep dive into retrofit at scale — and why it’s critical to tackling fuel poverty, cutting carbon emissions, and upgrading the UK’s ageing, energy-leaking housing stock.
19th May 2025
Exemplar Sustainable Building Awards 2025: Finalists Revealed!
The Exemplar Sustainable Building Awards has just dropped the hotly anticipated shortlist of finalists, and this year’s contenders are designing, building, and innovating for a climate-conscious future. Who is your winner?
15th May 2025
Exemplar Sustainable Building Awards: Initiative WINNER: PACER
WINNER: Initiative category I 2025 Exemplar Sustainable Building Awards. PACER (Planning Application Carbon Evaluation and Reduction) is a first-of-its-kind digital platform that empowers Local Planning Authorities (LPAs) with the tools to enforce whole life carbon (WLC) policies in the planning process
14th May 2025
Exemplar Sustainable Building Awards: Product finalist - LAMILUX Glass Skylight FE Passivhaus
The LAMILUX Glass Skylight FE Passivhaus combines advanced thermal efficiency, Passivhaus certification and attractive design options in various sizes and configurations – fixed, operable and smoke vent. With its sustainability credentials backed up by a third-party verified Environmental Product Declaration, the Glass Skylight FE Passivhaus provides a high quality and reliable solution for a product type often troubled by leaks and maintenance issues.
14th May 2025
Exemplar Sustainable Building Awards: Small project finalist: Abhainn Passivhaus
Small project finalist in the 2025 Exemplar Sustainable Buildings Awards. Abhainn is a development of three detached dwellings that are not only certified to the Passivhaus Classic standard, but which also have low embodied carbon emissions meeting RIBA 2030 metrics. The homes comply with the exacting Gold higher level of sustainability in Section 7 of the Scottish Technical Standards.
14th May 2025
Exemplar Sustainable Building Awards: Small project WINNER: The Seed
Small project winner in the 2025 Exemplar Sustainable Buildings Awards. Replacing a derelict building, The Seed is a co-living home for two households in a woodland garden near Dundee. The home is almost entirely timber and meets both Passivhaus Classic standard and RIBA 2030 embodied carbon requirements. It offers a shining example of how Passivhaus can work in locations with difficult site constraints and restricted solar gain.
14th May 2025
Exemplar Sustainable Building Awards: Small project finalist: Long Four Acres
Small project finalist in the 2025 Exemplar Sustainable Buildings Awards. Long Four Acres is a two storey detached self-build in South Norfolk that has been modelled in PHPP and designed, but not certified, to the Passivhaus Plus standard. While airtightness of 0.8 ach @ 50 Pa was just shy of Passivhaus criteria (0.6 ach @ 50 Pa) the building performance in practice aligns closely with PHPP Passivhaus Plus expectations.
14th May 2025
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