Asbestos Garage Roof Removal Guide & Costs

Which garage roofs contain asbestos

Typically found in corrugated roof sheets, wall panels, soffits and guttering on garages and outbuildings, most commonly in homes built or extended between the 1950s and 1990s. Leave any material you suspect may contain asbestos undisturbed. Get advice before drilling, sanding, scraping or carrying out other work that could damage it. A photograph can help us offer initial guidance, but it cannot confirm asbestos. We will explain whether sampling or a survey is needed.

How garage roof removal works

This is non-licensed work. Every job starts with sampling and a written quotation; straightforward enquiries can usually be quoted within 24 hours. Removal is carried out with the controls the law requires for this material, waste leaves site with consignment notes, and the area is handed back with the right certification for your records, whether that's a homeowner's document pack or a four-stage clearance certificate.

Asbestos garage roof removal costs

Typical UK guide range: £950 to £3,750 per roof, including disposal and paperwork. Access, quantity and condition move the number, our cost guide and calculator covers the detail, and once we quote, the price is fixed. Figures are industry guide rates, not Innov8 Group prices, we're typically cheaper. Contact us for an official quotation.

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Projects on this material

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100m² cement sheets, Salford →

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How to identify an asbestos cement roof

Age and profile are the giveaways. Grey corrugated sheets on a garage, shed or lean-to built before 2000 are asbestos cement until a test proves otherwise — the classic “big six” wave profile, often furred with moss and lichen because the cement surface holds moisture. Weathering roughens the surface over decades, which is what slowly exposes fibre at the face. A photo is usually enough for us to give a view; a sample test confirms it for certain in a couple of days.

Sound sheets aren’t the risk — broken ones are

The asbestos in cement sheet is locked into a hard matrix, so an intact roof sitting quietly on a garage releases very little. The risk moments are mechanical: drilling, breaking, dropping or driving over sheets, clearing moss with a jet wash (which strips the cement surface and blasts fibre into the air), and storm damage that snaps brittle old panels. That’s why our removal method is built around never breaking a sheet.

What removal involves — and what it costs

Fixings are cropped or eased so each sheet comes off whole; sheets are never smashed down or slid off the frame. They’re double-wrapped in polythene on the ground, loaded and consigned as hazardous waste to a licensed facility, and you keep the consignment note. A typical single or double garage runs £950–£3,750 depending on size, access and whether we’re taking the whole structure down — straightforward enquiries can usually be quoted within 24 hours from photos, with disposal and paperwork included.

After the asbestos: re-roofing options

Most customers replace like-for-like profile in modern fibre cement or box-profile steel — both go straight onto the existing timbers if they’re sound. If the garage itself has had its day, full demolition and slab-clearance is often barely more than the roof alone. We remove asbestos garage roofs every week across the North West — most often in Manchester, Bolton and Wigan.

The jobs that go wrong — and why

Almost every bad garage-roof story follows the same script: sheets smashed down to save time, fragments trodden across the drive, and a trailer-load turned away because household waste sites won’t take asbestos without pre-booking — many won’t take it at all. Then comes the expensive part: picking crushed cement sheet out of gravel and lawn costs multiples of a proper removal. Method matters more than material here; handled calmly and whole-sheet, this is one of the lower-risk asbestos jobs.

Sheds, lean-tos and the rest of the garden

The same corrugated cement turns up on sheds, coal bunkers and lean-to roofs — and in flat-sheet form as shed walls and soffit linings. We price these the same way: fixed, from photos, disposal included. If the outbuilding is coming down entirely, say so — removing the roof and demolishing the rest in one visit is usually cheaper than two jobs, and the slab is left clear and clean. Call 0333 335 6375; straightforward enquiries can usually be quoted within 24 hours.

Planning the job: access, sheeting and what happens on the day

A typical domestic garage roof takes our team half a day. We arrive with the sheeting, PPE and waste consignment paperwork already arranged; sheets are dampened, unbolted whole and lowered — never broken or slid off the frame — then double-wrapped on the ground. Gutters and bolts go in the waste with the sheets, the frame is left clean and ready for a replacement roof, and you receive the waste consignment note for your records. Access matters to price: a garage backing onto a shared alley or with a live power line overhead takes longer than one on an open drive, which is why photos usually let us give a quote without a visit. We remove garage roofs across the North West every week, from Manchester to Preston and Wigan.

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Common questions

How do I know if my garage roof is asbestos?

Corrugated cement roofs on garages built before 2000 very commonly contain asbestos cement — the grey “big six” wave profile with moss growth is the classic look. A quick sample test confirms it for certain.

Is an asbestos garage roof dangerous?

In good condition, the fibres are locked in the cement and risk is low. Cracked, drilled or weathered sheets — or clearing the moss off with a jetwash — can release fibres, which is when it needs dealing with.

Can I remove it myself?

Legally a homeowner can remove asbestos cement from their own domestic garage, but we’d strongly advise against it: safe handling, sheeting, transport and licensed disposal sites make DIY a false economy. Fly-tipped asbestos also carries heavy fines.

What does removal cost?

Typically £950–£3,750 for a garage roof depending on size, access and whether the structure comes down too — quoted in writing, with disposal and paperwork included.

What happens to the waste?

It’s double-wrapped, consigned as hazardous waste and disposed of at a licensed facility — you get the consignment note for your records.

Is it safe to jet-wash an asbestos garage roof?

No — never, under any circumstances. Jet-washing blasts the cement surface apart and fires asbestos fibres into the air across your garden and your neighbours’ — it’s one of the most common and most serious DIY mistakes with asbestos. If the roof is dirty or mossy, leave it alone; if it’s reached the point of needing work, that’s the point to price up removal.

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HSE-licensed asbestos removal and environmental contractor. Surveys, removal, demolition, remediation and hazardous waste — one team, one responsibility. North West based, working UK-wide.