07447 188036info@gnbroofing.co.uk Serving East AngliaMon–Sat 7am–6pm HomeAboutServicesFlat Roof InstallationFlat Roof ReplacementFlat Roof RepairsEPDM Rubber RoofingSingle-Ply Membrane (SFlex · Sika Plan · Resitrix)Commercial Flat RoofingFascias & Soffits (UPVC)Guttering & BargeboardsCladding — UPVC, Timber-Effect & Composite AreasNorfolk NorwichThorpe St Andrew & SprowstonHellesdonCostesseyTaverhamDraytonCringlefordWymondhamDerehamGreat YarmouthThetfordKing's Lynn County overview Norfolk (county overview)Suffolk (county overview)Cambridgeshire (county overview) Our WorkReviewsContact07447 188036Get Free Quote - Home - Areas - Cambridgeshire (county overview) County overview · Norwich-based · Covering Cambridgeshire # Flat RoofingAcrossCambridgeshire Sika Plan Approved flat roof specialists working right across Cambridgeshire. Free surveys, fixed written quote in 3–4 days, 20-year product / 10-year workmanship guarantee. Get my free fixed-price quote 07447 188036 Survey within the week across Cambridgeshire · No call-out fees · You deal with Neil directly Flat-roofing specialist Sika Plan Approved Installer 20-yr product / 10-yr workmanship PL & EL fully insured Free fixed-price quotes Local coverage ## How we serve Cambridgeshire (county overview) — properly. Cambridgeshire, particularly the Fens, is exposed, flat and windy — and roof spec here needs to reflect that. We take on flat roofing work across the county from our Norwich yard, with quotes fixed in writing and travel batched so you're not paying a solo loading. ### Where we cover in County overview We take on flat roofing work across Cambridgeshire from our Norwich base — including the Fens closest to Norfolk (Wisbech, March, Chatteris, Ely), and further into the county on a batched-survey basis where the job justifies it. ### Response times Survey within the week across Cambridgeshire. Emergency leaks and storm damage are prioritised within our operating hours (Mon–Sat 7am–6pm). ### Cambridgeshire (county overview) property types we know Historic town-centre stock with parapet flat rears, extensive post-war housing across the Fen towns with garage and porch flats, agricultural outbuildings, packhouses and farm workshops in the surrounding Fens, and modern warm-deck new-build on the edges of the towns. ### Common jobs in Cambridgeshire (county overview) Parapet flat replacements in the town centres, garage and porch canopy renewals, agricultural single-ply on farm workshops and packhouses, and UPVC roofline. Wind-lifted felt after Fenland gales is a recurring call. Services in Cambridgeshire (county overview) ## Every service we offer is available in Cambridgeshire (county overview). ### Flat Roof Installation New-build and extension flat roofs in Cambridgeshire (county overview), installed as warm-roof build-ups to current Part L. Sika-backed guarantee. View service ### Flat Roof Replacement Strip, deck-check and full replacement for end-of-life flat roofs across Cambridgeshire (county overview). EPDM, Sika Plan or Resitrix. View service ### Flat Roof Repairs Leaks, splits, blisters and storm damage fixed on Cambridgeshire (county overview) properties — with a temporary weatherproof cover if needed today. View service ### EPDM Rubber Roofing Single-sheet EPDM rubber for garages, extensions and small commercial units in Cambridgeshire (county overview). Long life, no seams over most spans. View service ### Single-Ply Membrane (SFlex · Sika Plan · Resitrix) Sika Plan, SFlex and Resitrix single-ply for larger domestic and commercial roofs in Cambridgeshire (county overview). Mechanically fixed to wind-uplift spec. View service ### Commercial Flat Roofing Retail, office, light-industrial and agricultural flat roofs across Cambridgeshire (county overview). Fully insured, Sika Plan Approved workmanship. View service ### Fascias & Soffits (UPVC) UPVC fascias and soffits fitted in Cambridgeshire (county overview) — sealed, ventilated properly, and finished to match your roofline. View service ### Guttering & Bargeboards Full guttering and bargeboard runs in Cambridgeshire (county overview). UPVC systems rated for the exposure your property actually sees. View service ### Cladding — UPVC, Timber-Effect & Composite UPVC, timber-effect and composite cladding across Cambridgeshire (county overview) — low-maintenance, weather-tight, and finished properly at corners and abutments. View service Why Cambridgeshire (county overview) customers use us ## The concrete reasons — not a mission statement. ### Real coverage across Cambridgeshire We work across Cambridgeshire as part of our normal week from our Norwich yard. Travel is batched — no inflated day-rates for jobs outside the ring road. ### Sika Plan Approved workmanship 20-year product / 10-year workmanship guarantee, registered with Sika. The paperwork travels with the property if you sell. ### Fixed written quote before we start Free on-site survey, then a written itemised quote in 3–4 days. No call-out fees, no day-rates, no pressure. ### You deal with Neil directly First call, survey, quote, installation, sign-off, aftercare. One phone number, one person, one job at a time. Local conditions ## What actually goes wrong on Cambridgeshire (county overview) roofs. ### Full Fenland wind exposure There's nothing to slow the wind across the Fens. Membranes need to be mechanically fixed to the correct wind-uplift zone. Any felt fixed to residential-inland spec will lift at the perimeter first. ### Cold-weather condensation risk The flat, damp Fens make interstitial condensation on under-insulated flat roofs common. Warm-roof rebuild with a proper VCL fixes it — a fresh coat of felt does not. ### Agricultural and packhouse detailing Farm units and packhouses need commercial-grade single-ply (Sika Plan or Resitrix) specced to the roof size and traffic it takes, not a residential build-up scaled up. ### Fair travel from a Norwich base Cambridgeshire surveys and works are batched so you don't pay a solo travel loading. No call-out fees, fixed written quote before we start. Our process ## A predictable path from first call to guaranteed sign-off. - 01 Free on-site survey We visit your Cambridgeshire (county overview) property, get on the roof (or safely inspect it), and check the deck, falls, upstands and outlets — not just the surface. - 02 Fixed written quote in 3–4 days You get a written, itemised, fixed-price quote. No day-rates, no hidden extras, no pressure — decide in your own time. - 03 Book a slot that suits you Once you approve the quote, we agree a start date that works around you. Materials are ordered direct from Sika. - 04 Installation by Neil Neil installs the job personally with a small dedicated team. Site is kept tidy, protected and safe throughout. - 05 Sign-off & registered guarantee On completion we walk the finished roof with you, register the Sika-backed guarantee in your name and issue paperwork you can pass on if you sell. Frequently asked in Cambridgeshire (county overview) ## Questions we answer at almost every Cambridgeshire (county overview) survey. Do you really cover all of Cambridgeshire?+Yes — we take on flat roofing work across Cambridgeshire from our Norwich NR5 yard. For jobs further from Norwich we batch surveys so you don't pay a solo travel loading, and every quote is fixed in writing before we start. How fast can you reach Cambridgeshire for a leak?+Active leaks are prioritised inside operating hours (Mon–Sat 7am–6pm). Inside Norfolk we usually get eyes on it within 2–3 working days; further out in Cambridgeshire it may be a little longer, but we'll always tell you honestly on the phone. How much does a flat roof cost in Cambridgeshire?+We don't quote by rate card because no two Cambridgeshire properties are identical — a Victorian rear extension and a 1970s garage conversion need different membranes, insulation upgrades and detailing. Every price is a fixed written quote after a free on-site survey, so you know the number before we lift a tool. Small repairs typically start in the low hundreds; a full single-ply or EPDM replacement is priced per square metre plus upstands, outlets and any timber deck renewal. Do you offer emergency call-outs in Cambridgeshire?+Yes — for active leaks, storm damage and wind-lifted membranes we prioritise Cambridgeshire customers within our operating hours (Mon–Sat 7am–6pm). We'll get a temporary weatherproof cover in place and quote the permanent repair separately. There are no call-out fees. Are you insured and accredited to work in Cambridgeshire?+Yes. Full Public and Employer's Liability insurance, and we're a Sika Plan Approved Installer — meaning Sika inspect our workmanship and back the membrane guarantee. That accreditation applies to every Cambridgeshire job the same as anywhere else we work. Who will actually turn up at my Cambridgeshire property?+Neil, the owner, personally surveys, quotes and installs every job. You won't get passed to a call centre, a sales rep or a subcontracted crew. One point of contact from first call to final sign-off — and the person who quoted it is the person on the roof. Nearby areas ## We also cover these areas close to Cambridgeshire (county overview). Norfolk Flat Roofing in King's Lynn Sika Plan Approved flat roof specialists across PE30–PE34. Free surveys, no call-out fees, fixed written quote in 3–4 days — from a specialist, not a generalist. Norfolk Flat Roofing in Norwich Sika Plan Approved installers based in NR5. Free surveys, fixed written quotes in 3–4 days, and a 20-year product / 10-year workmanship guarantee — right across the city. Norfolk Flat Roofing in Thetford Sika Plan Approved flat roof specialists across IP24 and the surrounding Breckland villages. Free surveys, no call-out fees, fixed written quote in 3–4 days. Or see the full list of areas we cover across Norfolk, Suffolk and Cambridgeshire — or head back to the home page. One next step ## Get a fixed written quote for your Cambridgeshire (county overview) flat roof — in 3–4 days. Free survey. No call-out fees. Sika Plan Approved. 20-year product / 10-year workmanship guarantee. Neil quotes it and Neil installs it. Book my free survey Call 07447 188036 Mon–Sat 7am–6pm Flat-roofing specialists serving homes and businesses across East Anglia. Sika Plan Approved. Fully insured. Owner-run by Neil Cockman. Sika Plan Approved Installer ### Services - Flat Roof Installation - Flat Roof Replacement - Flat Roof Repairs - EPDM Rubber Roofing - Single-Ply Membrane - Commercial Flat Roofing - Fascias & Soffits ### Service Areas - Norwich - Thorpe St Andrew & Sprowston - Hellesdon - Costessey - Taverham - Drayton - Cringleford - Wymondham - Dereham - Great Yarmouth - Thetford - King's Lynn - Norfolk (county overview) - Suffolk (county overview) - Cambridgeshire (county overview) ### Contact - 07447 188036 - info@gnbroofing.co.uk - 6 Gilbard RoadNorwich, NR5 8TR - Mon–Sat 7am–6pm · Closed Sun © 2026 GNB Roofing Services. All rights reserved.Privacy PolicyCookie PolicyTerms & Conditions Call NowGet Free Quote We use essential cookies to make this site work, and optional ones only if you accept. Cookie policy. AcceptReject