Wellingborough at a glance
- Postcode districts
- NN8
- Population
- about 56,564 (GeoNames)
- Council area
- North Northamptonshire Council
- Building approval
- North Northamptonshire Council building control, or a registered building control approver
- Nearest main town
- Northampton, about 9 miles
- Guide price region
- East Midlands (−2% on West Midlands rates)
Why choose torch-on felt roofing in Wellingborough?
Torch-on felt is widely specified for blocks of flats and HMOs, in Wellingborough as elsewhere, because the system is well understood, widely repairable and governed by a British Standard code of practice. Three-layer builds with insulation are common on larger, multi-occupied roofs.
In and around Wellingborough, flat roofs are typically found on shops with flat-roofed rear stores below flats, and on lock-up garage blocks on estates. The East Midlands is drier than the west of Britain, so most flat roofs here fail through age, UV and poor detailing at upstands rather than sheer rainfall.
How much does a torch-on felt roof cost in Wellingborough?
Guide price in Wellingborough: £1,500–£2,550 for a typical 18 m² garage roof in torch-on felt, including VAT at East Midlands 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 | £1,500–£2,550 |
| Extension (20 m²), felt, new deck + insulation | £2,650–£4,600 |
| Block of flats (150 m²), felt + insulation + scaffold | £15,250–£26,650 |
| Single garage (18 m²), EPDM rubber | £1,550–£2,750 |
| Extension (20 m²), EPDM, new deck + insulation | £2,750–£4,800 |
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?
- Mineral-finished cap sheet, upstands, outlets and edge trims
- Deck inspection with replacement of damaged boards
- Vapour control layer and warm-roof insulation where needed
- Strip-off of the existing roof covering and removal of waste
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 Wellingborough: questions
Do you cover Wellingborough?
Yes. Wellingborough is part of our Northamptonshire coverage, including postcode districts NN8. 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 Wellingborough?
Where the work needs approval it goes to North Northamptonshire 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 Wellingborough?
£1,500–£2,550 for a typical 18 m² garage roof in torch-on felt, at East Midlands guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.
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.
Why does my felt roof have blisters?
Blisters usually form when moisture or air trapped beneath the felt expands in the sun. A few small, intact blisters may be monitored, but widespread or split blisters point to a repair or replacement.