Flat RoofingContractors

Roofs we replace and build

Dormer roofs in Adwick le Street

Across Adwick le Street and the wider South Yorkshire, we rebuild dormer flat roofs with insulation to current guidance and new trims that throw water clear of the window. Each roof is surveyed first, and the fixed price comes in writing. Every re-roof carries a written workmanship guarantee.

Rear box dormer with a grey GRP flat roof and anthracite cladding on a Victorian terraceComputer-generated example image

Adwick le Street at a glance

Postcode districts
DN6
Population
about 19,481 (GeoNames)
Council area
City of Doncaster Council
Building approval
City of Doncaster Council building control, or a registered building control approver
Nearest main town
Doncaster, about 4 miles
Guide price region
Yorkshire and the Humber (−5% on West Midlands rates)

What does a dormer roof in Adwick le Street need?

In Adwick le Street, as anywhere, it often makes sense to replace a dormer roof while scaffold is already up for other work, such as new windows, rendering or repairs to the main roof. Sharing the scaffold keeps costs down and means every edge of the dormer can be checked at the same time.

Around Adwick le Street, flat roofs are common on low-rise post-war blocks of flats and on lock-up garage blocks on estates. 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.

How much does a new dormer roof cost in Adwick le Street?

For Adwick le Street we use Yorkshire and the Humber rates: £1,350–£2,500 is the guide for an 8 m² GRP dormer roof including scaffold, VAT included. The fixed price comes after a free survey for new and replacement roofs.

JobGuide price inc VAT
Dormer (8 m²), GRP, scaffold£1,350–£2,500
Single garage (18 m²), EPDM rubber£1,500–£2,650
Extension (20 m²), GRP, new deck + insulation£2,850–£5,100

Is GRP or EPDM better on a dormer roof?

GRP fibreglass is often the first choice on a dormer, because it is laid as a liquid resin over a mat and forms neat, rigid edges, corners and drip details on a small roof. It cures to a hard surface that copes with occasional foot traffic during window cleaning or maintenance.

EPDM rubber works well on a plain rectangular dormer and can usually be laid as one sheet, with no field joins. Unlike GRP, it does not depend on resin curing conditions on the day. Torch-on felt can be used, but working a torch close to timber cladding, fascias and tiles needs extra care, so a cold-applied system is often chosen instead.

We recommend the system after surveying the dormer, its edges and how it meets the main roof.

What's included?

  • New membrane, drip trims and back-edge abutment under the tiles
  • Free survey of the dormer roof, cheeks and main roof junction
  • Scaffold with edge protection, priced in the quote
  • Strip-out of the old covering and deck repairs

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?

Dormer roofs in Adwick le Street: questions

Do you cover Adwick le Street?

Yes. Adwick le Street is part of our South Yorkshire coverage, including postcode districts DN6. 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 Adwick le Street?

Where the work needs approval it goes to City of Doncaster 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 new dormer roof cost in Adwick le Street?

£1,350–£2,500 for an 8 m² GRP dormer roof including scaffold, at Yorkshire and the Humber guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.

How long does a GRP dormer roof last?

As an indicative range, GRP lasts 20–40 years with good specification and maintenance.

Can you replace the lead on my dormer at the same time?

Yes, where lead forms part of the dormer abutment or cheek flashings, we include renewing it in the roof job.

Other flat roof work in Adwick le Street

Dormer roofs in Adwick le Street: get a fixed price

Free survey and a written fixed quote for replacement and new roofs. No obligation.

Call usGet a guide price