thescruff wrote on Dec 6th, 2017, 10:56am:Sounds like it was built on a floodplain in which case you'll never stop it.
On the other hand, if you dry the clay out the place will likely crack and fall down anyway
There's a new estate just been built other end of town from me. It's been built in a field that was always the first place the river flooded into, but they did a bit of earthworks to make a mound along the river to stop it flooding. Roughly a third of the houses have visible movement in the roof already