Passivhaus pioneers revisit the standard 16 years on

By Bill Butcher and Chris Herring 2026-07-10T06:00:00

The team behind the UK’s first cavity wall Passivhaus are now building a terrace of three Passivhaus Plus homes in West Yorkshire. Bill Butcher and Chris Herring of 21 Degrees share what has changed - and what they wish they’d known first time around

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