Contact Us

If you are worried about cracks to your house, or think it may be at risk from subsidence, or you are unhappy with the advice you have received from your insurer, please contact us on

Tel: 0208 208 0343 or 0208 208 4476

Office hours are 8:00 to 18:00 Monday to Friday. Alternatively, email us by clicking on the link below and we will send you an enquiry form.

There is no charge for advice given over the telephone and many insurance policies will cover reasonable professional fees if you have a valid claim under the subsidence section.

Any requests for monitoring can be sent by email by clicking on the link below, or by fax to

Fax: 0208 208 3722

and our Survey Manager, Francis O'Neill, will contact you to discuss your requirements.

Click on one of the available email links     

Geo-Serv Limited / Best Answer Subsidence Engineering Limited,
17 Hoveden Road, London, NW2 3XE
Tel: 0208 208 0343 | Fax: 0208 208 3722 | email: