Quality London basement and cellar conversion specialists

Timber Decay Remedial Services Ltd (T.D.R.S.) is an established damp-proofing and basement conversion company founded in 1963. We operate throughout London, the Home Counties and the East Midlands.

Our company is one of the founder members of the B.W.P.D.A. (British Wood Preserving and Damp Proofing Association), now known as the Property Care Association (P.C.A.).

All our surveyors are qualified by examination to the C.S.R.T. (Certified Surveyor in Remedial Treatment) and C.S.S.W. (Certified Surveyor in Structural Waterproofing).

We specialise in the following services:

  • Cellar and basement conversion
  • Installation of cavity drained membrane systems with sump and pump
  • Cementitious tanking systems
  • Installation of chemical damp-proof courses
  • Treatment against wood boring insects and decaying fungi
  • General building work as required

All our work is guaranteed by the company and we are also able to offer insurance-backed guarantees via GPI: twenty years for damp-proofing and ten years for basement conversions.

Home Gymnasium