Damp Cost Calculator
Pick your situation. We'll estimate the cost to fix it today, and what it likely costs if you leave it 6, 12, or 24 months. No signup to see the numbers.
Normally £29 estimate kit · FREE this week · resets in 7d
Mild = damp patch on one wall. Moderate = multiple walls, peeling paint, mould. Severe = standing water, structural cracks, persistent wet floor.
Roughly how much of the basement or cellar shows damp.
Untreated damp roughly doubles in cost per year — mould spreads, plaster degrades, timbers rot.
Estimated cost to fix
Today
£3,000
Estimates based on UK basement waterproofing prices 2024-26. Untreated damp typically increases cost 20-40% per year as mould spreads, plaster degrades, and timber damage accumulates. Real number depends on your property and exact cause — only an on-site survey gives you a guaranteed quote.
No obligation. We'll diagnose the cause, give you a fixed-price quote on the spot. No pushy sales, no commission-driven upsell.
I'll personally email you within the hour to confirm a free on-site survey time. In the meantime, if it's urgent, call 0800 061 4203.
Please try again, or call us on 0800 061 4203.