Flat roof cost in Hull

See your flat roof cost in Hull in 60 seconds. Pick your roof below and RoofRite fixes it in writing after a free survey.

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Flat roof cost in Hull is £1,350 to £5,700 in 2026, from a felt garage roof to a large extension in GRP fibreglass. The price is set by the size of the roof and the covering. Build yours in the builder above for your own range.

Flat roof prices in Hull by size and covering

Roof	Felt (torch-on)	EPDM rubber	GRP fibreglass
Single garage (about 18m²)	£1,350 to £1,900	£1,500 to £2,250	£1,850 to £2,600
Extension roof (about 25m²)	£1,900 to £2,650	£2,100 to £3,100	£2,600 to £3,600
Large extension or dormer (about 40m²)	£3,000 to £4,200	£3,400 to £4,950	£4,150 to £5,700

Ranges are 2026 prices for Hull, built from published UK roofing costs with a regional adjustment, rounded to the nearest £50. Your fixed written quote follows a free survey.

Straight answers

What sets the cost of a flat roof

Size

A single garage is about 18m², a single-storey extension about 25m². Price per m² does the rest.

Covering

Torch-on felt is £80 to £110 per m², EPDM rubber £90 to £130 and GRP fibreglass £110 to £150.

The deck underneath

A soft or rotten deck has to be replaced before the new covering goes on. We check it and tell you first.

Roof lights and upstands

Each roof light, wall and edge takes detailing. That is where cheap flat roofs leak, so we price it properly.

Every flat roof from RoofRite Roofing includes

The old covering stripped and taken away
The deck checked and made good
Your choice of felt, EPDM or GRP with proper edge trims and upstands
A fixed written price and a workmanship guarantee

Good questions

Roofing prices, answered

How much does a flat roof cost in Hull?

A flat roof in Hull costs £1,350 to £5,700 in 2026. A felt garage roof sits at the bottom, a large extension in GRP at the top.

How much is a new garage roof?

A single garage roof costs £1,350 to £1,900 in felt and £1,500 to £2,250 in EPDM rubber.

Which is best, EPDM or GRP?

EPDM rubber lasts 30 to 50 years and handles movement well. GRP lasts 25 to 40 years, takes foot traffic and gives a hard, clean finish. Felt is the cheapest but lasts 10 to 20 years.

How long does a flat roof take?

A garage or small extension is usually done in a day or two, weather permitting.

More Hull roofing prices

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