The scale of the retrofit challenge facing the UK and Ireland will require an army of tradespeople to upgrade homes – leading many to the conclusion that a new retrofit industry needs to be built from scratch. But is a more realistic answer staring us in the face – a thriving existing industry of trusted local tradespeople, asks Dr Catrin Maby OBE.

The Passive House Academy, in association with Saint-Gobain, will run a Passive House Tradesperson course on 21 and 22 October at the Saint-Gobain Technical Academy in Erith, Kent. The course will cover passive house design principles, U-value calculations, thermal bridging and airtightness, insulation materials, passive house glazing, mechanical ventilation with heat recovery systems, and much more.