Tree root assessments for subsidence repairs for clay soil properties
Subsidence repair work adapted to clay soil properties across Greater London.
Signs that matter for clay soil properties
Clay-rich soil changes volume as its moisture content changes.
A diagonal crack near a door or window can point to movement.
Tree roots can draw moisture from shrinkable clay and cause ground movement.
Water from damaged drains can wash soil away from foundations.
Older houses with shallow foundations can be badly affected.
Signs on this page are grounded in: Swelling and shrinking soils; How can I be more aware of subsidence?; Tree related building subsidence.
Why it matters for clay soil properties
Clay-rich soils can absorb water after rainfall and become hard when dry. This volume change can be uneven beneath a building. Uneven movement can lift or lower foundations and crack walls.
How tree root assessments for subsidence repairs is approached for clay soil properties
On clay soil, a specialist checks moisture changes, tree roots and drainage before choosing a repair.
Crack monitoring can run through wet and dry periods to show movement.
A tree root assessment can show whether roots affect the clay.
Foundation work can include underpinning, helical piling, resin injection or void filling when the cause is clear.
Related subsidence repair pages
Tree root assessments for subsidence repairs for clay soil properties: free quote
Tell us about your clay soil properties and a specialist will advise on tree root assessments for subsidence repairs and the right next step.
- Free quote on every enquiry
- No obligation to proceed
- Covering all of Greater London