Flat RoofingContractors

Flat roof systems

Single-ply membrane roofing in Thorne

For landlords and businesses across South Yorkshire, including Thorne, we strip and re-roof in single-ply membrane, welding and probing every seam. Upstands, outlets and rooflight kerbs are formed in the same material, and the fixing pattern is worked out for the roof's exposure to wind.

Light grey single-ply membrane roof with welded seams, outlets and plant on a commercial buildingComputer-generated example image

Thorne at a glance

Postcode districts
DN8
Population
about 17,295 (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 9 miles
Guide price region
Yorkshire and the Humber (−5% on West Midlands rates)

Why choose single-ply roofing in Thorne?

Single-ply often suits blocks and mixed-use buildings in Thorne because no flame is used on the roof, which can make work around residents and businesses easier to plan. Hot-air welding still needs care, but the fire risk is lower than with torch-on.

In a town like Thorne, flat roofs are commonly found on low-rise post-war blocks of flats or 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.

How much does a single-ply roof cost in Thorne?

At Yorkshire and the Humber guide rates, a 100 m² commercial roof in single-ply with insulation comes to £12,550–£20,700 including VAT. The fixed price comes after a free survey for new and replacement roofs.

JobGuide price inc VAT
Commercial roof (100 m²), single-ply + insulation£12,550–£20,700
Single garage (18 m²), single-ply£1,950–£3,150
Single garage (18 m²), EPDM rubber£1,500–£2,650
Extension (20 m²), EPDM, new deck + insulation£2,650–£4,650

What insulation and approvals does a single-ply re-roof need?

On a heated building, a full single-ply re-roof usually triggers the thermal-element rules, so insulation should be brought towards the renovation standard where feasible. In England that is 0.18 W/m²K for non-domestic and 0.16 W/m²K for domestic roofs, with Wales and Northern Ireland setting their own figures; Scottish roofs follow Section 6 of the building standards, and the council confirms whether a building warrant is required.

Single-ply suits a warm roof well, and tapered insulation can correct poor falls at the same time. A thicker build-up raises the roof, so we check upstand heights, door thresholds and rooflight kerbs at survey. Near boundaries, the external fire classification of the tested build-up can matter. We handle building control or building standards where needed; see the building regulations page.

What's included?

  • Vapour control layer and warm-roof or tapered insulation as specified
  • PVC, TPO or FPO membrane, mechanically fixed, adhered or ballasted
  • Welded details at upstands, outlets, rooflight kerbs and edge trims
  • Edge protection on every job and walkway protection around plant

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?

Single-ply membrane roofing in Thorne: questions

Do you cover Thorne?

Yes. Thorne is part of our South Yorkshire coverage, including postcode districts DN8. 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 Thorne?

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 single-ply roof cost in Thorne?

£12,550–£20,700 for a 100 m² commercial roof in single-ply with insulation, at Yorkshire and the Humber guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.

Is single-ply roofing noisy in the rain?

No more than other flat roofs. Noise depends far more on the deck and insulation than on the membrane, and an insulated warm roof dampens rain noise well.

How long does a commercial single-ply roof take?

A roof of around 100 m² typically takes several days, depending on strip-out, insulation, details and weather. Work is phased so the building stays weathertight and occupied areas are protected.

Other flat roof work in Thorne

Single-ply membrane roofing in Thorne: get a fixed price

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

Call usGet a guide price