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Flat roof systems

Liquid-applied roofing across North Yorkshire

Looking for liquid roofing in North Yorkshire? We use cold-applied systems for roofs with awkward details, balconies and walkways, and for overlays that avoid a full strip-out. Where insulation is needed over a heated room, we will tell you if a strip and warm-roof build-up is the better route, and handle any approval.

Grey liquid waterproofing and reinforcement fleece rolled around a vent pipe on a flat roofComputer-generated example image
Price per m²
£86–£133
Typical life
10–25+ years by product
Manufacturer guarantees
10, 15 or 20-year guarantees by named system
Typical garage roof
£1,950–£3,100

North Yorkshire at a glance

Largest towns
York, Middlesbrough, Harrogate, Scarborough
Postcode areas
DL, HG, TS, YO
Building control
City of York Council, Middlesbrough Council, North Yorkshire Council and 2 other councils
Neighbouring areas
County Durham · West Yorkshire · East Riding of Yorkshire · Tyne and Wear
Guide price region
Yorkshire and the Humber (−5% on West Midlands rates)

How much does a liquid-applied roof cost in North Yorkshire?

Guide prices including VAT at Yorkshire and the Humber rates. The fixed price comes after a free survey for new and replacement roofs.

JobGuide price inc VAT
Single garage (18 m²), liquid-applied£1,950–£3,100
Balcony (12 m²), liquid-applied, scaffold£1,800–£3,100
Single garage (18 m²), EPDM rubber£1,500–£2,650
Extension (20 m²), EPDM, new deck + insulation£2,650–£4,650

Which flat roofs are common in North Yorkshire?

Flat roofs in North Yorkshire sit on 1930s semis with flat-roofed garages and kitchen extensions, terraced streets with flat-roofed rear kitchens and bathrooms and bungalows with flat-roofed side extensions and dormers. England averages roughly 870 mm of rain a year; the Pennine side of Yorkshire is wetter and windier than the east, so we specify for the site rather than the county. Approximate 1991–2020 regional averages based on Met Office data.

Building regulations in England

Replacing more than half of a roof over a heated room usually counts as renovating a thermal element, so it is insulated to current standards and notified to building control. Renovated roofs over heated rooms are insulated to around 0.16 W/m²K where that's feasible, and new extension roofs are built to 0.15 W/m²K. In North Yorkshire the application goes to City of York Council, Middlesbrough Council, North Yorkshire Council and 2 other councils. More on the rules.

How long does a liquid-applied roof last, and how is it guaranteed?

Cold liquid-applied roofs typically last 10 to 25 years or more, depending on the product and the thickness applied. One reinforced system has a BBA assessment of over 25 years, while lighter coatings designed to extend an existing roof sit at the lower end of the range.

Because life varies so much by product, it pays to know exactly what is being applied. Your quote should name the system, the reinforcement and the build-up.

Manufacturer guarantees are often tied to a named system, with lengths such as 10, 15 or 20 years depending on the specification, and some require registration or an approved applicator. We handle that registration where the system permits it. Every re-roof also carries our written workmanship guarantee, with the length set out in the quote, and you can ask about insurance-backed options. A BBA certificate is a product assessment, not a guarantee; our guarantees guide explains the difference.

Do building regulations apply if a liquid coating goes over my roof?

They can. In England, Wales and Northern Ireland, re-covering more than half of a roof over a heated room is usually renovation of a thermal element, even when the new membrane goes over the old, so the roof should be insulated towards the renovation standard where feasible; for a Scottish property, the local building standards team will confirm whether a warrant is required.

A minor coating repair to a small area is different from re-covering the whole roof. Where insulation is needed, an overlay is not always practical, because the insulation has to go under a new waterproof layer. In that case we may recommend stripping to the deck, fitting a warm roof and applying the liquid system on top. Where approval applies, we deal with the paperwork; details are on the building regulations page.

Which towns in North Yorkshire do we cover?

Liquid-applied roofing in North Yorkshire: questions

Which towns in North Yorkshire do you cover?

All of North Yorkshire. The main towns have their own pages below, and if yours isn't listed we still cover it: send your postcode and we'll confirm.

How much does a liquid-applied roof cost in North Yorkshire?

£1,950–£3,100 for a typical 18 m² garage roof in a liquid-applied system, at Yorkshire and the Humber guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.

Which postcode areas do you cover in North Yorkshire?

All of North Yorkshire, including the DL, HG, TS, YO postcode areas. Send your full postcode and we'll confirm.

Does a liquid roof smell when it is applied?

Some systems, particularly PMMA, have a strong odour during application, while many polyurethane and water-based products are milder. We tell you what to expect and plan around windows and vents.

How long does a liquid roof take to cure?

That depends on the product and the weather. Some systems are rain-resistant within an hour or so, others take longer, and full cure can take a day or more in cool weather.

Can liquid roofing stop a leak on a flat roof?

It can, if the leak is at a detail or the membrane is worn but the roof beneath is sound. If water has soaked the insulation or deck, coating over it will not cure the problem.

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