Formby at a glance
- Postcode districts
- L37
- Population
- about 23,329 (GeoNames)
- Council area
- Sefton Council
- Building approval
- Sefton Council building control, or a registered building control approver
- Nearest main town
- Southport, about 7 miles
- Guide price region
- North West (−5% on West Midlands rates)
Why choose torch-on felt roofing in Formby?
For a commercial roof in Formby, such as a shop, surgery or club, torch-on felt offers a hard-wearing mineral finish that takes occasional maintenance traffic. Phased work keeps part of the building weathertight while the rest is re-roofed, so the business can usually keep trading.
Formby's flat roofs are mostly on bungalows with flat-roofed side extensions and dormers, with plenty on lock-up garage blocks on estates too. 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 torch-on felt roof cost in Formby?
Guide price in Formby: £1,450–£2,500 for a typical 18 m² garage roof in torch-on felt, including VAT at North West rates. The fixed price comes after a free survey for new and replacement roofs.
| Job | Guide price inc VAT |
|---|---|
| Single garage (18 m²), torch-on felt | £1,450–£2,500 |
| Extension (20 m²), felt, new deck + insulation | £2,550–£4,450 |
| Block of flats (150 m²), felt + insulation + scaffold | £14,750–£25,850 |
| Single garage (18 m²), EPDM rubber | £1,500–£2,650 |
| Extension (20 m²), EPDM, new deck + insulation | £2,650–£4,650 |
Does replacing a felt roof mean upgrading the insulation?
Usually, yes, when the roof is over a heated space and more than half of it is being re-covered. In England, Wales and Northern Ireland that is renovation of a thermal element, which should be brought towards the renovation U-value where feasible; a Scottish project goes through the council's building standards service, which confirms whether a warrant applies.
A felt replacement is a good point to switch to a warm roof, with insulation laid above the deck under the new membranes. On larger roofs, tapered insulation can also correct poor falls that have caused ponding, which a patch repair cannot fix. Raising the roof level affects upstands and door thresholds, so we check heights at survey. Any approval is arranged by us as part of the job, and the building regulations page sets out the rules by nation.
What's included?
- Two- or three-layer reinforced bitumen membrane with staggered laps
- Deck inspection with replacement of damaged boards
- Strip-off of the existing roof covering and removal of waste
- Hot-works checks and fire watch on every torch-on job
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?
Torch-on felt roofing in Formby: questions
Do you cover Formby?
Yes. Formby is part of our Merseyside coverage, including postcode districts L37. 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 Formby?
Where the work needs approval it goes to Sefton 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 torch-on felt roof cost in Formby?
£1,450–£2,500 for a typical 18 m² garage roof in torch-on felt, at North West guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.
Is torch-on felt better than the old felt roofs?
Yes, considerably. Modern torch-on membranes are polymer-modified and polyester-reinforced, laid in bonded layers, and typically last much longer than the older felt systems they replace.
Is torch-on suitable for a block of flats?
Yes, layered bitumen systems are widely used on blocks of flats and commercial buildings. Larger roofs often use three layers and insulation, with hot works planned around residents.