Flat RoofingContractors

Flat roof systems

GRP fibreglass roofing in Kingston upon Hull

Our GRP service in Kingston upon Hull covers full replacement of tired felt and failed fibreglass roofs, as well as new roofs on extensions. Every job includes deck checks, careful joint reinforcement and a UV-stable topcoat, with a written workmanship guarantee on every re-roof and manufacturer guarantees registered where the system allows.

Finished grey GRP fibreglass flat roof with moulded trims on a single-storey extensionComputer-generated example image

Kingston upon Hull at a glance

Postcode districts
HU1, HU2, HU3, HU4, HU5, HU6, HU7, HU8 and 1 more
Population
about 314,018 (GeoNames)
Council area
Hull City Council
Building approval
Hull City Council building control, or a registered building control approver
Guide price region
Yorkshire and the Humber (−5% on West Midlands rates)

Why choose GRP fibreglass roofing in Kingston upon Hull?

For a garage or extension in Kingston upon Hull that doubles as a step-out space for window cleaning, GRP gives a firmer footing than a rubber membrane. With an anti-slip topcoat it handles light, occasional use, though a full terrace needs its own specification and, in many cases, planning permission.

In and around Kingston upon Hull, flat roofs are typically found on lock-up garage blocks on estates, and on 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 GRP fibreglass roof cost in Kingston upon Hull?

At Yorkshire and the Humber guide rates, a 20 m² extension roof in GRP with a new deck and insulation comes to £2,850–£5,100 including VAT. The fixed price comes after a free survey for new and replacement roofs.

JobGuide price inc VAT
Extension (20 m²), GRP, new deck + insulation£2,850–£5,100
Dormer (8 m²), GRP, scaffold£1,350–£2,500
Single garage (18 m²), GRP fibreglass£1,700–£3,100
Single garage (18 m²), EPDM rubber£1,500–£2,650
Extension (20 m²), EPDM, new deck + insulation£2,650–£4,650

Will a new GRP roof need extra insulation to meet building regulations?

If the roof is over a heated room and you are replacing more than half of it, usually yes. In England, Wales and Northern Ireland that counts as renovating a thermal element, and in Scotland the council's building standards service will say whether a building warrant applies.

GRP pairs well with a warm roof because the new deck boards it needs can sit on top of the insulation. The result is thicker, so we check at survey that there is room under door cills and wall flashings, and that the upstands can finish around 150 mm above the new surface. Where approval is needed we arrange it with building control or building standards.

Unheated, detached garages normally sit outside the thermal rules. See the building regulations page for each nation, or the warm vs cold roof guide for why we avoid cold roofs where we can.

What's included?

  • New OSB3 or plywood deck, fixed at close centres
  • Coloured UV-stable topcoat, with anti-slip finish on request
  • Resin and glass-mat laminate with taped and reinforced joints
  • Removal of the old covering and disposal 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?

GRP fibreglass roofing in Kingston upon Hull: questions

Do you cover Kingston upon Hull?

Yes. Kingston upon Hull is part of our East Riding of Yorkshire coverage, including postcode districts HU1, HU2, HU3, HU4, HU5, HU6 and 3 more. 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 Kingston upon Hull?

Where the work needs approval it goes to Hull City 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 GRP fibreglass roof cost in Kingston upon Hull?

£2,850–£5,100 for a 20 m² extension roof in GRP with a new deck and insulation, at Yorkshire and the Humber guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.

How long before a new GRP roof is fully cured?

The topcoat is usually touch-dry within hours in reasonable weather, but full cure takes longer in cold conditions. We advise keeping off the roof until the team confirms it is ready.

Can a cracked GRP roof be repaired?

Often, yes. The area is ground back, cleaned and re-laminated with fresh mat and topcoat. If cracks keep returning along joints, the deck or detailing usually needs attention rather than another patch.

Other flat roof work in Kingston upon Hull

GRP fibreglass roofing in Kingston upon Hull: get a fixed price

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

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