Up-to-date damp & insulation prices for 2026 — low, average and high UK rates for 6 common jobs, plus what affects the price and how to hire well.
Damp & Insulation work covers a wide range of jobs, and prices vary with the size of the project, the materials chosen and where you live in the UK. This guide breaks down what a damp & insulation specialist typically charges in 2026 — from small repairs to complete installations — so you can budget with confidence and recognise a fair quote when you see one. All figures below include labour at typical UK rates.
| Service | Low | Average | High |
|---|---|---|---|
Damp survey per survey | £200 | 300 | £400 |
Damp proofing treatment per room | £500 | 1,250 | £2,000 |
Loft insulation complete | £400 | 600 | £800 |
Cavity wall insulation complete | £800 | 1,150 | £1,500 |
External wall insulation per m² | £100 | 125 | £150 |
Condensation treatment per room | £200 | 350 | £500 |
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Before hiring a damp & insulation specialist, compare at least three itemised quotes and check each professional's verified reviews and completed-job history. Confirm public liability insurance, agree timescales and payment stages in writing, and never pay the full amount up front. On HireTrades, every tradesperson builds a public reputation from real customer reviews, so quality and reliability are visible before anyone visits your home.
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In 2026, damp survey typically costs between £200 and £400 (per survey) in the UK, with an average of around £300. Prices in London and the South East tend to sit at the higher end. Get multiple quotes from verified local professionals on HireTrades to find the best price for your job.
In 2026, damp proofing treatment typically costs between £500 and £2,000 (per room) in the UK, with an average of around £1,250. Prices in London and the South East tend to sit at the higher end. Get multiple quotes from verified local professionals on HireTrades to find the best price for your job.
In 2026, loft insulation typically costs between £400 and £800 (complete) in the UK, with an average of around £600. Prices in London and the South East tend to sit at the higher end. Get multiple quotes from verified local professionals on HireTrades to find the best price for your job.
In 2026, cavity wall insulation typically costs between £800 and £1,500 (complete) in the UK, with an average of around £1,150. Prices in London and the South East tend to sit at the higher end. Get multiple quotes from verified local professionals on HireTrades to find the best price for your job.
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