Passivhaus Trust Newletter June 2026
The recent UK heat warnings have underlined the need for buildings that stay comfortable in summer. Passivhaus offers proven strategies, with June’s Open Days helping to challenge common myths during the heatwave. Guy Martin’s icebox challenge also puts insulation and overheating to the test. Join us at the UK Passivhaus Conference in November to explore delivering resilient, comfortable buildings. Don’t miss the Early Bird discount! Dive in below or read the full newsletter here.
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Join the Passivhaus Trust Board
We are seeking 3 or more new Board members to help drive the Passivhaus Trust forward on the next stage of its journey. Several members reach the end of their term soon, so new opportunities have arisen. Deadline to register interest: 31 July 2026
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Retrofit to Passivhaus standard for LSE heritage building
Can a 1950s university building become one of the UK's most sustainable higher education buildings? The London School of Economics believes it can. The ambitious transformation of 35 Lincoln's Inn Fields into the Firoz Lalji Global Hub, targeting Passivhaus Classic, demonstrates how deep retrofit can extend the life of existing buildings while dramatically reducing operational energy demand and retaining much of their embodied carbon.
Read our case study and sign up for the Masterclass on the project
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Why retrofit sequencing matters
New UK based modelling on the EnerPHit component method explores staged retrofit pathways for typical UK homes. Passivhaus retrofit upgrades can be done step by step. This research shows how a phased approach can still support comfortable homes, lower energy bills, and progress towards net zero.
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Put your brand at the heart of the UK's leading Passivhaus event
The UK's largest Passivhaus conference returns to London this November. Tickets for the UK Passivhaus Conference 2026 are selling fast, for what will be a brilliant opportunity to connect with the UK's Passivhaus community and discover the latest trends and technical advances. If you want to sponsor the conference, a few Bronze spots remain!
Find out about sponsorship packages
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Guy Martin's Ice Box Challenge
TV presenter Guy Martin conducted several experiments for his recent House Without Bills programme for Channel 4. Watch new footage of Guy’s Ice Box challenge: "This was an experiment to see - are we all going to melt in well-insulated houses?”
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30th June 2026
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