Warrington at a glance
- Postcode districts
- WA1, WA2, WA3, WA4, WA5, WA13
- Population
- about 172,330 (GeoNames)
- Council area
- Warrington Borough Council
- Building approval
- Warrington Borough Council building control, or a registered building control approver
- Nearest main town
- St Helens, about 7 miles
- Guide price region
- North West (−5% on West Midlands rates)
Why choose a liquid-applied roof in Warrington?
Choose liquid roofing in Warrington when the shape of the roof makes sheet materials awkward: curved edges, small dormers with many corners, or a mix of levels joined by short upstands. Each detail is reinforced in the same material as the main area, so the whole roof is continuous.
In a city like Warrington, flat roofs are commonly found on bungalows with flat-roofed side extensions and dormers or 1930s semis with flat-roofed garages and kitchen extensions. The North West is one of England's wetter regions, averaging roughly 1,290 mm of rain a year, so falls, outlets and well-detailed upstands matter more than the membrane colour.
How much does a liquid-applied roof cost in Warrington?
At North West guide rates, a typical 18 m² garage roof in a liquid-applied system comes to £1,950–£3,100 including VAT. The fixed price comes after a free survey for new and replacement roofs.
| Job | Guide 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 |
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.
What's included?
- Survey of the existing roof, including moisture and adhesion checks
- Surface cleaning, repairs and removal of loose material
- Detailing of upstands, outlets, pipes and corners before the main area
- Primer matched to the substrate
Building regulations in England
Replacing more than half of a flat roof over a heated room usually counts as renovating a thermal element, so the roof is insulated to around 0.16 W/m²K where that's technically and economically feasible, and the work is notified to building control: the council or a registered building control approver, unless a registered competent person self-certifies it. A roof on a new extension is built to 0.15 W/m²K. Patch repairs, and most unheated detached garages, don't trigger the upgrade. Structural changes, or a new covering that adds 15% or more to the roof's weight, also need approval. More on the rules.
Which nearby areas do we also cover?
- Great Sankey · 2 mi
- Newton-le-Willows · 4 mi
- Golborne · 6 mi
- Haydock · 7 mi
- Widnes · 7 mi
- Ashton in Makerfield · 7 mi
Liquid-applied roofing in Warrington: questions
Do you cover Warrington?
Yes. Warrington is part of our Cheshire coverage, including postcode districts WA1, WA2, WA3, WA4, WA5, WA13. Surveys and roofs are carried out by vetted roofing teams working under S&K Property Investments and Improvement Ltd.
Who checks building regulations for a flat roof in Warrington?
Where the work needs approval it goes to Warrington Borough Council building control, or a registered building control approver. We tell you at the survey whether your job needs it and deal with the paperwork as part of the quote.
How much does a liquid-applied roof cost in Warrington?
£1,950–£3,100 for a typical 18 m² garage roof in a liquid-applied system, at North West guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.
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.
Is liquid roofing the same as a roof paint?
No. A proper liquid-applied membrane is built to a specified thickness and usually reinforced with fleece, while roof paints and simple coatings are much thinner and mainly used to extend the life of an existing covering.