About us

Why choose Sovereign.

As basement conversions become increasingly popular its more important than ever to ensure that you get the right team with the right experience to carry out the job. It is essential that you are 100% sure everything is waterproof. With over 10 years of experience in the field Sovereign can provide you with the ultimate conversion solution.


View our case studies: one | two | three

Our services include:

Tanking Systems

Basements, Vaults & Cellars
Earth retaining structures
Structural Waterproofing
Cavity Membrane Systems
Drainage Channels
Sump & Pump Installation

Damp Proofing

Rising Damp
Chemical Damp Proof Course Injection
Condensation Control

Timber Treatment

Woodworm Infestation
Dry Rot Eradication & Steralisation

Condensation Control

One of the most common causes of dampness in buildings is condensation

Surveys & Reports

Inspections & Diagnosis