STONEDRY Bespoke Basement Conversions are members of the Guild of Master Craftsmen and approved contractors for all our damp proofing products which carry a 30 year guarantee on all Membranes, Timber Treatments and DPC treatments.

Certification will be provided upon completion of work and includes:

  • NICEIC Electrical
  • Gas Safe Plumbing and Heating
  • Building Control Completion Certificate (if required)

All these guarantees and certificates come at no additional cost

Need More?

If you require we can also offer an external insurance backed guarantee to cover your new conversion for 10 years, this is governed by Westminster Guarantee Protection Ltd. An additional charge would apply, please ask for more details