The larger insurance companies often deal with subsidence issues in a systematic but simplistic way. If there are trees nearby, insist they are felled and see if the problem goes away.
However, SJ Stephens Associates can often save unnecessary removal of trees by demanding that adequate technical evidence is supplied to justify their demands. Adequate evidence of the following is required;
- A high plasticity soil
- The presence of roots in the vicinity
- Significant seasonal building movement