The insulation scandal threatening Britain’s climate plans

By Abby Wallace | 11/25/2025 06:18 AM EST

The British government says it will force down bills and emissions by insulating millions of cold, drafty homes. That plan is unraveling.

LONDON — Damian Mercer thinks his business shouldn’t exist.

He drives up and down the country removing botched cavity wall insulation from people’s homes — some of it installed under government-backed schemes designed to fix the U.K.’s raft of drafty houses.

“Everybody thought: ‘Well. I’m doing it right … I’m actually having my insulation put in my house,’” Mercer said, his own mother and father-in-law included.

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“I’ve been telling them for years that it will cause problems. And, as sure as eggs are eggs, they are starting now to have problems. But they are old school. [They think]: ‘The government [isn’t] going to lie to us.’”

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