Specialised Basement Waterproofing, Damp Proofing and Tanking

This website is designed to provide information for Homeowners and Construction Professionals considering work within Structures below the ground and semi buried into a banking or hillside.

Alliance has a common sense approach to waterproofing projects treating each and every one like it was their own property.


Alliance is a team of specialised professional’s doing the best for all of our clients.

  • Basement waterproofing design & installation.
  • Surveying and specialist advice.
  • Basement conversion & cellar conversion
  • Rising damp and other general problems of moisture and timber rot in buildings, above and below ground

We have great experience of dealing with a wide variety of basement waterproofing & tanking systems, from installation at the new-build stage through to basement conversion, cellar conversion, and investigation together with remedial repair of failed basement waterproofing & tanking systems.