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Spray foam removal costs £50-75 per square metre (£50/m² open-cell, £75/m² closed-cell). A typical 100m² loft costs £5,000-7,500 total. Prices include removal, disposal, and certificates that TSB, Halifax & Nationwide accept for mortgages. Get multiple quotes as prices vary.

Lender policies vary and can change. Some lenders decline properties with spray foam while others consider them subject to surveys, documentation or remedial work. Check the current requirements directly with your lender or mortgage adviser before commissioning removal.

DIY removal is not recommended. It requires specialist equipment, safety gear, and proper disposal. Incorrect removal can cause structural damage and health risks. Professional removal includes lender-accepted certification.

Professional removal typically takes 2-5 days depending on property size. Small lofts (50m²) take 2-3 days, while larger properties (150m²+) may take 4-5 days. This includes safe removal and clean-up.

Removal and appropriate evidence may help, but no company can guarantee a mortgage decision. Requirements vary by lender and property. Ask your lender what survey, removal evidence and independent sign-off it requires before appointing a removal company.

Spray foam isn't illegal but causes major mortgage problems. TSB banned it completely, other lenders require expensive surveys. 250,000+ UK homes now unmortgageable. Professional removal £50-75/m² is often the only solution to restore property value.

Open-cell foam is soft, spongy, and can be pressed with your finger. It's usually lighter in colour (cream/yellow) and absorbs water. Closed-cell foam is rigid, dense, and doesn't compress easily. It's typically darker (yellow/orange) and water-resistant. Closed-cell costs 50% more to remove due to its density.

Without removal, you may be unable to sell your property, remortgage, or release equity. Property values can drop 10-20% due to limited buyer pools. Over time, spray foam can also trap moisture causing timber rot, hide structural problems, and void building insurance in some cases.

Yes, spray foam can cause serious condensation issues. It blocks natural roof ventilation, trapping warm moist air against cold roof timbers. This creates ideal conditions for condensation, leading to timber rot, mould growth, and structural damage. Professional surveys often reveal hidden damp damage.