There has been quite a bit of coverage of the issues that the dry summer has created for many homes.
Subsidence claims have increased dramatically as the clay in soils is particularly prone to shrinkage, which can affect the foundations of a house. The hottest summer on record and weeks without rain has dried out the ground. The British Geological Survey has shared details of the areas most at risk. London is built on clay, for example...
One way you can check your risk is the UK Soil Observatory's map viewer.
I live in Norfolk and the parent rock is chalk. Fortunately I live in a small stripe of pale green which is more chalky than the clay soils around it. The dark green to the south of where I live shows the route of a chalk stream.
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