Dereham Roofing Specialists
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Commercial Roofing

Commercial Roofing

We carry out commercial roofing work across Dereham and Norfolk on warehouses, industrial units, retail premises, and office buildings. From flat roof replacement and GRP systems to profile metal sheeting, we work around your business hours to minimise disruption. All commercial projects are fully insured and come with a written guarantee.

Image: Dereham commercial roofing

What's involved

Commercial Roofing in Dereham

Commercial roofing covers a wide range of buildings and systems that differ significantly from domestic work — larger spans, flat or low-pitch decks, and materials designed to last for decades with minimal maintenance. We work with business owners, property managers, and landlords across Dereham on everything from small flat-roofed office extensions to large industrial and agricultural buildings.

The scope of work depends on the building. Flat commercial roofs in this area are often finished in felt, modified bitumen, or single-ply membranes such as EPDM or TPO. We also install and repair profile metal sheet roofing on warehouses and farm buildings, and GRP (fibreglass) systems on smaller commercial outbuildings. Before any work starts we carry out a full roof survey, check the structural deck for rot or damage, and specify the correct system for the building's use and drainage layout.

Commercial roofing is not the place to cut costs on labour. A failed membrane on a busy warehouse or a leaking roof on a food-preparation unit can cause thousands in stock damage, force temporary closure, or trigger health and safety concerns. Using a roofing contractor with genuine commercial experience means the job is specified, fitted, and signed off correctly from the start.

We schedule commercial projects to suit your operation — early starts, weekend work, or phased sections to keep part of a building in use are all options we can accommodate. You'll receive a detailed written quote before anything is agreed, and we'll keep you updated throughout. All commercial roofing work we carry out in Dereham is backed by a minimum ten-year material guarantee, plus our own workmanship warranty.

Commercial flat roof replacement in Dereham using a single-ply EPDM system typically costs between £8 and £15 per square metre, excluding any structural deck repairs.

Itemised quote
Materials, labour, scaffold broken out
Fixed start date
With a daily schedule
10-year guarantee
Workmanship, in writing
Fully insured
£5m public liability

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Emergency roof repair?

Storm damage, active leak, damaged ridge — we aim to be on-site within 24 hours.

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Questions

What people ask first.

A new roof on a standard three-bedroom semi-detached house in Dereham typically costs between £5,500 and £9,000. The price depends on the roof size, pitch, material choice (concrete tile, clay tile, or natural slate), and whether fascias and soffits need replacing. We provide a free, itemised written quote before any work begins.
A repair makes sense when damage is isolated — a handful of slipped tiles or a small section of failed flashing, for example. Replacement is more cost-effective when over 25–30% of the roof covering has failed, when the timbers underneath are rotting, or when the roof is over 40 years old and showing widespread deterioration. We'll tell you honestly which option is right after a free survey.
Minor repairs such as replacing a handful of slipped tiles typically cost between £150 and £350. Re-ridging a terraced or semi-detached house in Dereham usually falls between £400 and £800. More involved work such as replacing chimney flashings or repairing valley gutters can range from £300 to £700. We provide a written quote after inspection so there are no surprises.
A GRP fibreglass flat roof in Dereham typically costs between £70 and £120 per square metre, fully installed. A standard garage roof of around 20 square metres would therefore cost in the region of £1,400 to £2,400. EPDM rubber systems are similarly priced and may be more economical on larger areas. We'll give you an exact figure after measuring up and assessing the existing deck.
Fascia and soffit replacement in Dereham typically costs between £80 and £120 per linear metre for uPVC boards, including labour, materials, and waste removal. A typical three-bedroom semi with around 30 metres of fascia runs between £900 and £1,500 depending on access and whether any rafter foot repairs are needed. We provide a fixed written quote before work starts so there are no surprises.
A standard chimney flashing replacement in Dereham typically costs between £250 and £600, depending on the size of the chimney stack and the amount of lead required. Full lead valley replacements on a larger period property can run from £800 to £1,800 or more. We give a fixed written quote after inspecting the area so you know exactly what you're paying before we start.
A chimney rebuild from the flashing line upwards in Dereham typically costs between £800 and £2,000, including scaffold, materials, and new pots and flaunching. If new leadwork is required at the same time, that adds to the cost depending on the size of the detail. We give a full written quote after inspecting the stack — the price won't change once you've accepted it.
Chimney take-downs in Dereham typically cost between £700 and £1,500 for a standard residential stack, including scaffold, demolition, roof reinstatement, and waste removal. The main variables are the height of the stack, the pitch of the roof, and whether we need to source matching tiles or slates to reinstate the roof covering. We provide a full fixed-price quote before any work begins.
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