Guarantees & Insurances

All projects carried out under a London Basement ‘Form of Building Contract’ are subject to a 6 months defects liability period. In addition, any mechanical and electrical installations carried out by us, such as new plumbing and heating systems, are guaranteed for a period of 1 year.

London Basement is an approved installer for most waterproofing systems and a member of the British Structural Waterproofing Association, however we almost exclusively use the Delta Cavity Drainage Membrane system. Considered by many to be the best product on the market, we are able to offer Delta Membranes 30 year guarantee on all our waterproofing installations.

London Basement are able to offer 12 year insurance backed latent defect cover in respect of structural works.

London Basement only employs Gas Safe registered plumbers and NICEIC registered electricians, ensuring that all works are certified.

On completion of all our basement works, London Basement will provide an operating and maintenance manual for the works containing ‘as built’ drawings, copies of the Local Authority consents, instruction booklets and relevant guarantees.

We carry the very highest level of insurance, details available upon request.

Right beneath your feet