This morning the team had to remove a section of this mature Oak tree stump, to allow adequate room for this failed wall to be reconstructed. Trees which grow in close proximity to boundary walls and property will undoubtedly cause issues in the long run. Check you're properties for fractures within the brick work and mortar. This could be an indication of root damage caused by trees. It's also important to check house insurance policies as to wether distances apply to trees and property, which, is usually the case.