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Commercial Roofing

Commercial Roofing

Cambridge Roofers handles commercial roofing for offices, warehouses, retail units, and schools across Cambridge and the surrounding area. We work on flat and pitched commercial roofs, including GRP, EPDM, single-ply membrane, and built-up felt systems. All projects are fully insured with minimal disruption to your business.

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What's involved

Commercial Roofing in your area

Commercial roofing covers any roofing work carried out on a non-domestic building — offices, warehouses, retail units, schools, care homes, and light industrial premises. The demands on a commercial roof are greater than on a domestic one: larger surface areas, more roof penetrations for plant and services, and heavier foot traffic during maintenance. Getting the specification wrong is expensive, so it pays to use a contractor with genuine commercial experience.

The work we carry out includes full roof replacements, overlay systems, repairs to existing membranes, and the installation of rooflights and roof access hatches. On flat commercial roofs we install EPDM rubber, GRP fibreglass, and single-ply TPO and PVC membranes — each suited to different build-ups, budgets, and expected service lives. For pitched commercial roofs we work with fibre cement slates, concrete interlocking tiles, and standing seam metal roofing. All penetrations — pipework, ventilation ducts, extraction units — are properly detailed and fully weatherproofed.

Commercial roofing failures are rarely dramatic at first. A failing lap joint or a cracked membrane around a rooflight lets in water slowly, damaging insulation, ceiling tiles, stock, and electrics before anyone notices the source. Regular inspections and prompt reactive repairs prevent those small problems from becoming five-figure remediation jobs.

We provide a full written survey report before quoting on any commercial project, with photographs, a condition assessment, and a clear specification of the proposed works. We can work outside business hours to reduce disruption, and we carry full public liability insurance for commercial sites. Most flat roof replacements on small to medium commercial units in Cambridge are completed within two to five days.

Commercial flat roof replacement in Cambridge typically costs between £70 and £130 per square metre, depending on the membrane system specified and the condition of the existing roof deck.

Itemised quote
Materials, labour, scaffold broken out
Fixed start date
With a daily schedule
Fully insured
£5m public liability

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Questions

What people ask first.

A new roof on a standard three-bedroom semi-detached house in Cambridge typically costs between £5,500 and £12,000, depending on the size of the roof, the pitch, and the materials chosen. Natural slate and clay tiles sit at the higher end of that range, while concrete tiles are more affordable. We provide a fixed written quote after a free survey so there are no surprises.
If more than 25–30% of your tiles or slates are cracked, slipped, or missing, or if you're getting repeated leaks in different areas despite repairs, replacement is usually more cost-effective than continued patching. We'll give you an honest assessment during the free survey — we won't recommend a full replacement if targeted repairs will genuinely solve the problem.
The cost depends entirely on what's failed. Replacing a few broken tiles typically costs £100–£250. A ridge repoint on a standard terrace runs from £200 to £500. Lead flashing repairs around a chimney stack are usually £150–£400. We always provide a fixed written quote before starting so you know exactly what you're paying.
Flat roofs in Cambridge typically cost £70–£120 per square metre for EPDM rubber or GRP fibreglass, including stripping the old covering and disposing of waste. A standard single-storey rear extension roof of around 20 square metres would therefore cost roughly £1,400–£2,400. Torch-on felt systems on larger areas can be slightly cheaper per metre. We provide a fixed written quote after the free survey.
For a standard three-bedroom semi-detached house in Cambridge, fascia and soffit replacement typically costs between £800 and £1,800, depending on the linear metres involved and whether you choose uPVC or aluminium. We always provide a written, fixed-price quote after a free survey so there are no surprises on the day.
Replacing lead flashings around a standard chimney stack in Cambridge typically costs between £300 and £600, depending on how many faces need new lead and whether the brickwork pointing also needs attention. A simple step flashing repair on one side can be less. We'll give you a fixed price after inspecting the stack.
A full chimney rebuild from roof level in Cambridge typically costs between £1,500 and £3,500. The main variables are the height of the stack above the roof, how many courses of brickwork need replacing, and whether the lead flashings also need renewing. We'll give you a firm price after a survey.
A chimney take-down on a standard Cambridge terraced or semi-detached property typically costs between £900 and £2,000. The price depends on the height of the stack, how many pots it carries, and the complexity of making good the roof covering below. We provide a fixed-price quote after a free survey.
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