Flat Roof Installation Process & Costs
Our 7-step process ensures a watertight, long-lasting flat roof for every property in Warrington, Wigan and Leigh.
Whether it’s a repair or a full replacement, our flat roofing installation follows a proven, transparent process — from initial survey to final inspection.
How we install a flat roof
- Initial survey & quote — we inspect your roof, discuss your needs, and provide a detailed, no-obligation quote
- Preparation & removal — old roofing materials are safely removed and the surface cleaned and checked for damage
- Substrate repair — any damaged decking or insulation is repaired or replaced to ensure a solid base
- Vapour barrier & insulation — we install a vapour barrier and high-quality insulation to improve energy efficiency
- Membrane installation — your chosen membrane (EPDM, TPO or rubber) is expertly fitted, with seams sealed for watertightness
- Edge detailing & flashing — all edges, upstands and penetrations are finished with precision to prevent leaks
- Final inspection & clean-up — we check every detail, remove waste, and provide a warranty for your peace of mind
Flat roofing costs
| Service type | Average cost | Affordable range |
|---|---|---|
| Flat roof repair | £3,000 – £6,000 | £2,500 – £4,000 |
| EPDM roof installation | £60 – £100/m² | £60 – £90/m² |
| TPO roof installation | £70 – £110/m² | £70 – £100/m² |
| Rubber roof (basic) | £10 – £15/m² | £10 – £15/m² |
| Flat roof replacement | £4,000 – £8,000 | £3,500 – £6,500 |
All prices include materials and labour. For a detailed quote, contact us for a free survey.
Frequently asked questions
How long does installation take?
Most flat roof installations are completed within a few days, depending on the size of the roof and weather conditions.
Do I need planning permission for a flat roof?
Most flat roof repairs and replacements don’t require planning permission, but we’ll advise if your project is an exception.
How is drainage managed on a flat roof?
We design all flat roofs with correct falls and outlets to prevent ponding and ensure effective drainage.
Ready for a free flat roofing quote?
Contact us today for a free survey and no-obligation quote.
Request a Free Quote📧 info@roofersnearmeuk.co.uk | 📞 [Insert phone number]