Subsidence, settlement and heave
A nearby tree has been cut back hard but is still alive. Can the survey say later movement will not follow?
No. A heavy reduction is not removal, and it is not proof the ground will stay still. The survey can note fresh cuts and that the tree is still growing, but it cannot say the reduction was enough or that heave will or will not follow. It does not test the soil, and one visit does not monitor the house.
Last reviewed 24 October 2026. Written for buyers in England and Wales unless this answer says otherwise. No named surveyor has signed this page. It is general guidance, not a report on your house, and not legal advice.
What is the fuller explanation?
Pollarding or a hard crown reduction leaves a living tree with a smaller top. Roots do not vanish on the day of the cut. Heave, where it happens, is discussed after trees are removed on clay, because the soil can then hold more moisture. The Association of British Insurers describes subsidence as downward movement of the ground, and heave as a risk that can follow removal on clay. A tree that is still in leaf is in neither of those finished states. Fresh saw cuts show recent work. They do not show a calculation of water use, and this report must not invent one.
Ask who is said to have cut the tree and whether it stands on this plot. If it is the neighbour’s or the street’s, you may not control the next cut either. Do not tell a lender that pruning has closed the risk. Do not tell them the opposite, that the cuts prove damage. If the house has cracks, describe the cracks. If it does not, say the tree was reduced and the walls you saw were not cracked. Both sentences can be true. Neither is a soil test, and neither predicts the next growing season.
What should you ask your surveyor?
- Is the tree still alive, and where are the fresh cuts?
- Whose land is the trunk on?
- Are you linking any crack to the reduction, or only noting the tree?
What are the typical next steps?
- Do not describe a pollard as if the tree had been removed.
- Do not add a water-uptake number the surveyor did not write.
- If an insurer asks about recent tree work, give them the surveyor’s description and say the soil was not tested.
Costs vary with the building and with who you instruct. Where this page does not cite a published figure, ask the surveyor, a relevant specialist, or your solicitor for a written quote. Do not treat a forum average as the price.
Also asked about this
Can a hard prune cause the same heave as felling?
The survey cannot say that it will. Heave is discussed after removal on clay. A living reduced tree is a different case, and this visit did not test the ground.
Do fresh cuts mean the owner already accepted the tree was a problem?
They mean someone cut it. The reason is not on the saw face. Do not invent a confession.