How Much Does Damp Proofing Cost?
Damp proofing protects your home from moisture damage. Whether dealing with rising damp, penetrating damp, or condensation, early treatment prevents costly structural repairs.
Typical UK Costs
Budget£500Basic specification
Average£3,000Mid-range finish
Premium£8,000High-end specification
Get Your Personalised Estimate
These are average UK costs. Get a more accurate estimate tailored to your specific project details and location.
Get a Personalised EstimateWhat Affects the Cost?
- Type of damp (rising, penetrating, condensation)
- Area affected (linear metres or sq metres)
- Treatment method (injection, membrane, tanking)
- Wall replastering after treatment
- External waterproofing requirements
Frequently Asked Questions
How do I know if I have rising damp?
Signs include tide marks on walls up to 1 metre high, peeling wallpaper, salt deposits, and a musty smell. A professional damp survey costs £150-£350 and is recommended before treatment.
How long does damp proofing last?
Chemical injection damp proof courses come with 20-30 year guarantees. Membrane systems last the lifetime of the building if correctly installed.