Dust-controlled extraction, timber-safe removal, clear loft for good
Attic Spray Foam Removal in London Done Right First Time
Attic Spray Foam Removal in London is what we do every week across Greater London, from Victorian terraces in Islington to 1930s semis in Bromley. If spray foam is trapping moisture, blocking your mortgage or pushing your loft temperature past 30C in summer, we cut it out, bag it and leave your timbers breathing again. Most lofts are cleared in one day.
Live phone supportUpfront optionsBacked workmanship
What's included
What Our Attic Spray Foam Removal Covers
Every job includes survey, protection, cutting, extraction, disposal and documentation. We do not sub-contract the removal, and we do not leave you to sort the waste. Here is what is in the price, and what we can add if you need it.
Free Loft Survey
We visit, measure the foamed area, identify open cell or closed cell foam, and check timber moisture with a moisture meter. You get a fixed written quote the same day, with no charge and no obligation to book.
Full Dust Protection
Dust sheets, a zipped hatch barrier and a dust extraction unit running on negative pressure. Our technicians wear a PPE respirator and coveralls throughout. This keeps foam dust out of your living space, even on lofts above bedrooms.
Foam Cutting And Extraction
We cut the foam back to the timber with an oscillating multi-tool and reciprocating saw, then vacuum every fragment into sealed bags with an industrial vacuum. Cables, pipework and party walls are checked for overspray.
Waste Removal And Disposal
All foam, adhesive residue and bagged waste is carried down and taken away in the van. We dispose of it responsibly, and we can segregate materials for recycling where the waste stream allows.
Lender Documentation
Before-and-after photos, timber moisture readings and a written summary of the removal. This is the paperwork surveyors and lenders ask for on mortgage-driven jobs, and we email it to you the same day.
Optional Reinsulation Spec
Once the foam is out, we can specify and install a correct replacement, such as mineral wool batts with a vapour barrier, or a breathable wood fibre system. We quote this separately so you can decide after the removal.
Service overview
What Attic Spray Foam Removal in London Actually Involves
Attic Spray Foam Removal in London is the controlled cutting, extraction and disposal of open cell spray foam, closed cell spray foam and polyurethane foam from the underside of a roof deck or between rafters. We use spray foam cutting tools, an oscillating multi-tool and a reciprocating saw to slice the foam back to the timber, then an industrial vacuum and dust extraction unit pull the debris straight into sealed bags. Nothing gets dragged through your landing carpet.
Most London lofts we open up were foamed between 2005 and 2015, often under a green grant scheme, and the foam has since trapped condensation against the rafters. If you are selling and your buyer's lender flags it, or you have spotted damp and mould growth on the roof timbers, that is the point to call. We also handle attic spray foam extraction in London Greater for landlords, housing associations and loft conversion firms who need a clean slate before building control signs off.
How we workWe verify the cause, compare realistic options, and confirm the repair before we leave.
The service timeline
How Our Removal Process Runs
The process flexes to the condition, but these checkpoints keep decisions clear.
Survey And Quote
We visit, measure the foamed area in square metres, check timber moisture with a moisture meter and take photos. You get a fixed written price the same day, usually within four hours. No charge for the survey, no pressure to book on the spot.
Loft Protection
On the day, we lay dust sheets, seal the hatch with a zipped barrier and set up the dust extraction unit outside. Our technicians kit up in full PPE respirator and coveralls. This stage takes 30 to 45 minutes and keeps the rest of your house clean.
Foam Cutting
We slice the foam with an oscillating multi-tool and reciprocating saw, working rafter by rafter. Closed cell spray foam is denser and takes longer than open cell. A typical 40 square metre loft takes three to five hours of cutting.
Extraction And Bagging
An industrial vacuum pulls the cut foam straight into sealed bags, which we carry down and load into the van. We check for overspray on cables, pipework and party walls, and clear any adhesive residue left on the timber faces.
Final Check And Handover
We re-check timber moisture, sweep the loft, and walk you through the finished job. You get before-and-after photos and a written summary for your lender or surveyor. Most jobs finish the same day, and we take the waste away with us.
Tools & methods
Tools And Methods We Use
Purpose-built equipment, used by trained technicians, so the job is done accurately the first time.
Oscillating multi-tool
Slices open cell and closed cell foam flush to the rafter faces without gouging the timber. The go-to tool for controlled cuts around trusses and noggins.
Reciprocating saw
Cuts through thick closed cell spray foam and dense polyurethane where a multi-tool would stall. Used with a fine blade to keep the cut line tight to the timber.
Industrial vacuum and dust extraction unit
Runs on negative pressure to pull foam dust and fragments straight into sealed bags. Keeps the loft and the rest of your house clear of airborne debris.
Thermal imaging camera
Finds hidden moisture pockets and cold bridging behind the foam before we cut. It tells us where the real problem is, not just where the foam is.
Moisture meter
Reads timber moisture content before and after removal. We use it to confirm the rafters have dried below 20 percent before signing the job off.
PPE respirator and coveralls
Protects our technicians from isocyanate dust and foam particles. Full kit is worn on every removal, no exceptions, including short jobs.
Dry ice blasting machine
Lifts foam residue and adhesive from delicate or heritage timbers without abrasive damage. Slower than cutting, but the right call where the structure is fragile.
Use cases
When To Book Attic Spray Foam Removal
These examples show how the service framework adapts rather than forcing every call through one repair.
Loft Conversion Prep In Wandsworth
A 45 square metre loft filled with dense closed cell foam, blocking the whole conversion footprint. The builder had quoted two extra days of prep just to strip it, and cables were buried under the foam with no access. → We cleared the full loft in one day, freed the cables and pipework, and removed adhesive residue from the rafter faces. The builder started on schedule, and building control passed the first inspection without a foam-related query.
Three Rental Lofts Cleared In Croydon
A landlord with three rental properties, each with foam and visible damp patches on the timbers. Tenants had complained about musty smells, and the properties were becoming hard to insure and remortgage. → We surveyed all three in one visit and cleared them back-to-back over three days. Every loft was documented separately with photos and moisture readings, and all three dropped below 20 percent moisture within a fortnight.
Problems we solve
Problems We Solve With Attic Foam Removal London
Spray foam goes wrong in predictable ways. Trapped moisture, refused mortgages, cracked timbers and unusable lofts are the four we see most across London. Here is what each one costs you if it is left alone.
Mortgage refusal due to spray foam
We remove the foam, document the exposed timbers with photos and moisture readings, and provide a written summary your surveyor can sign off. Most clients get their valuation rebooked within 10 working days of us finishing.
Roof rot from trapped moisture
We cut the foam back to bare timber, check moisture content with a moisture meter, and only sign off when readings drop below 20 percent. If rot has already started, we flag it and can apply timber treatments before reinstatement.
Overheating in summer and damp in winter
Removing the foam restores airflow across the rafters. We can then specify a breathable insulation build-up with a proper vapour barrier, which keeps the loft cooler in summer and drier in winter.
Voided building warranty and failed survey
We remove the non-compliant foam and leave the structure ready for a BBA approved insulation system. You get full documentation of the removal, which is what warranty providers and surveyors ask to see.
Pricing process
What Attic Spray Foam Removal Costs
1,200 - 3,500 pounds depending on scope
Foam type
Open cell spray foam is softer and quicker to cut, so it costs less per square metre. Closed cell spray foam is dense and bonds hard to the timber, which takes longer and uses more blades, so it sits at the higher end of the range.
Loft area
We price by square metre of foamed surface. A 30 square metre loft is a straightforward day; an 80 square metre roof deck with complex trusses can run to two days and multiple technicians.
Access and parking
Narrow hatches, no off-street parking and upper-floor flats slow the job down. We plan loading and permits at survey so there are no surprise charges, but difficult access does affect the price.
How much does attic spray foam removal cost in London?
Most London lofts cost between 1,200 and 3,500 pounds in 2026, depending on foam type and area. Open cell foam on a 30 square metre loft sits at the lower end; dense closed cell foam across 60 square metres with restricted access pushes towards the top. The survey is free and the quote is fixed.
Do you offer attic insulation removal in London Greater?
Yes. We cover every London borough, from Hillingdon and Harrow in the west to Havering and Bexley in the east, plus all the inner boroughs. We also remove mineral wool, insulation batts and failing vapour barrier alongside spray foam, so the loft is left clean and ready for a proper insulation spec.
Is attic spray foam removal covered by insurance in London?
Sometimes. If the foam was installed badly and caused roof rot from trapped moisture, some buildings policies will contribute towards removal. We provide photos, moisture readings and a written report you can send to your insurer. Most clients find the removal cost is far less than the drop in property value a foamed loft causes.
How long does attic spray foam extraction take in London?
A typical 40 square metre loft takes one working day, usually seven to eight hours from arrival to handover. Larger lofts over 80 square metres, or dense closed cell foam around complex trusses, can run to two days. We confirm the timescale at survey so you can plan access and parking.
Related services
Related Services
Spray Foam Removal near me
Our core removal service covers every London postcode, so when you search for spray foam removal near me, we are usually within an hour of your loft. Same equipment, same dust controls, same fixed pricing as our attic work.
Same day Spray Foam Removal
When a lender or buyer sets a deadline, same day spray foam removal gets a survey and clearance booked fast. We keep emergency slots open across Greater London for stalled sales and urgent surveyor visits.
24/7 Spray Foam Removal
For commercial units, landlords and urgent mortgage cases we run 24/7 spray foam removal. Night and weekend work avoids disrupting tenants or business hours, and the loft is handed back clean and documented.Ready when you are
Book Attic Spray Foam Removal in London Today
Free survey, fixed price, and most lofts cleared in a single day. We are SafeContractor approved and CHAS accredited, and we document every job for your lender. Call now or send a photo of your loft and we will quote within four hours.
Talk with the local team
Request Attic Spray Foam Removal
Call us on 020 8088 5347 or email info@uksprayfoamauthority.com and we will book your free survey. We answer the phone from 8am to 6pm Monday to Friday, and our 24/7 line covers emergencies. Most London surveys happen within 48 hours of your call, and you get a fixed written price the same day.