Flat Roof Replacement Cost (North East, 2026)
Flat roof replacement costs in the North East depend on system, m², and how much deck repair is needed. GRP £90–£140/m². Liquid £100–£160/m². Single-ply £75–£130/m². Substrate work usually adds 10–20%.
- GRP £90–£140/m² installed
- Liquid £100–£160/m² installed
- Single-ply £75–£130/m² installed
- Deck repair usually +10–20%
- Scaffold extra where access requires it
What changes the price
How we quote
Garage, dormer and extension flat roofs
How much to repair a small flat roof
What moves the price up or down
Cost FAQs
Are these prices for my exact roof?+
They're North East ballparks. Your actual quote depends on the survey — but if a quote comes in 50% above these figures with no explanation, ask for itemisation.
Do you offer finance?+
Yes — see our finance page for FCA-regulated options on larger jobs.
Is a repair ever the better option than replacing?+
Yes — if the covering is fundamentally sound and the fault is a split, a failed joint or a detail problem, a repair can buy years. We'll always say so. Replacement is the answer when the whole system is at the end of its life or the deck has got wet.
How much does a flat roof cost per square metre?+
As installed guides: GRP £90 to £140 per square metre, liquid £100 to £160 and single-ply £75 to £130. Deck repair usually adds 10 to 20 percent, and scaffold is extra where access needs it.
How much to repair a small flat roof?+
A local repair on a sound roof costs far less than replacement. The price depends on the size of the damaged area and access, so we quote in writing after checking the deck.
Does the quote include stripping the old roof?+
Yes. Our replacement quotes cover stripping the old covering, checking and repairing the deck, waste removal, and the new system fitted — so the figure you're given is the figure you pay.
Need Roofing Work You Can Rely On?
Contact Stoker Property Solutions for new roofs, flat roofing, repairs and maintenance across Newcastle, Sunderland and the wider North East.