Calculate your roof replacement cost
Roof replacement cost by type in Brighton
Current national roof-type project ranges and cost-per-m² benchmarks are adjusted by the same 1.15× South East model.
UK £7,000–£16,250 · £110–£260/m²£8,050–£18,700 · £150–£300/m²
UK £9,250–£18,000 · £145–£285/m²£10,650–£20,700 · £150–£350/m²
UK £2,800–£7,500 · £45–£120/m²£3,200–£8,650 · £50–£150/m²
Overall roof replacement benchmark
What can change a real Brighton quote?
- Roof area, pitch and number of slopes
- Gable, hip or flat roof construction
- Tile, slate or flat-roof membrane specification
- Scaffolding and access
- Timber, decking or structural repairs
- Chimneys, valleys and rooflights
- Waste removal and making good
Local planning considerations
Coastal exposure, conservation areas, parking and restricted access can affect individual quotations beyond the broad South East planning model.
- Exterior specifications may need more attention where a property is exposed to coastal weather and salt-laden air.
- Tight street access or controlled parking can change waste, scaffold and delivery logistics even when the underlying project is unchanged.
- Check listed-building or conservation constraints before assuming a standard window, roof, rendering or extension specification.
How the regional model works
The 1.15× factor places this planning estimate 15% above the national planning baseline. We keep that modelling assumption separate from the dated national benchmark so users can see exactly which part comes from an external source and which part is UK Home Costs modelling.
Sources
Roof Replacement: Cost Breakdown 2026
Published / checked: June 2026
Used for: Gable, hip and flat roof replacement ranges and cost-per-m² benchmarks
Construction output price indices
Published / checked: 13 August 2026
Used for: Construction price trend and update checks
Frequently asked questions
How much does a roof replacement cost in Brighton in 2026?
The current UK national average is about £8,000 and most projects are around £4,000–£19,000 before regional modelling. Applying the South East factor gives a modelled Brighton average of about £9,200 and a broad planning range of £4,600–£21,850.
How much is a gable roof replacement in Brighton?
The national gable benchmark is £7,000–£16,250, or £110–£260 per m². Applying the South East factor gives a modelled Brighton project range of £8,050–£18,700 and roughly £150–£300 per m².
Why is the Brighton roof estimate different from the UK benchmark?
UK Home Costs applies a 1.15× South East planning factor, placing the model 15% above the national planning baseline. It is a modelling assumption, not a measured city-wide roofing index.
What can push a roof quote above the modelled range?
Scaffolding, rotten rafters or decking, chimneys, valleys, rooflights, premium slate or tile choices and difficult access can all increase the final cost.