Londoners are facing historic levels of subsidence risk after five successive heat waves dried out the clay soil on which much of the city is built https://www.bloomberg.com/news/articles/2026-08-23/londoners-find-horrendous-cracks-in-homes-after-heat-waves?taid=6a8aaadc7e26be000151741d&utm_campaign=trueanthem&utm_content=business&utm_medium=social&utm_source=twitter