Burgess Hill at a glance
- Postcode districts
- RH15
- Population
- about 30,635 (GeoNames)
- Council area
- Mid Sussex District Council
- Building approval
- Mid Sussex District Council building control, or a registered building control approver
- Nearest main town
- Brighton, about 9 miles
- Guide price region
- South East (+10% on West Midlands rates)
What does a dormer roof in Burgess Hill need?
In Burgess Hill, as anywhere, it often makes sense to replace a dormer roof while scaffold is already up for other work, such as new windows, rendering or repairs to the main roof. Sharing the scaffold keeps costs down and means every edge of the dormer can be checked at the same time.
In a town like Burgess Hill, flat roofs are commonly found on shops with flat-roofed rear stores below flats or newer estates where the first extension roofs are now being replaced. Much of the South East sits in the drier Thames catchment at roughly 730 mm of rain a year, so the usual failures are at joints, upstands and outlets rather than from sheer volume of rain.
How much does a new dormer roof cost in Burgess Hill?
At South East guide rates, an 8 m² GRP dormer roof including scaffold comes to £1,550–£2,900 including VAT. The fixed price comes after a free survey for new and replacement roofs.
| Job | Guide price inc VAT |
|---|---|
| Dormer (8 m²), GRP, scaffold | £1,550–£2,900 |
| Single garage (18 m²), EPDM rubber | £1,750–£3,100 |
| Extension (20 m²), GRP, new deck + insulation | £3,300–£5,900 |
Is GRP or EPDM better on a dormer roof?
GRP fibreglass is often the first choice on a dormer, because it is laid as a liquid resin over a mat and forms neat, rigid edges, corners and drip details on a small roof. It cures to a hard surface that copes with occasional foot traffic during window cleaning or maintenance.
EPDM rubber works well on a plain rectangular dormer and can usually be laid as one sheet, with no field joins. Unlike GRP, it does not depend on resin curing conditions on the day. Torch-on felt can be used, but working a torch close to timber cladding, fascias and tiles needs extra care, so a cold-applied system is often chosen instead.
We recommend the system after surveying the dormer, its edges and how it meets the main roof.
What's included?
- Strip-out of the old covering and deck repairs
- Warm-roof insulation and a vapour control layer
- New membrane, drip trims and back-edge abutment under the tiles
- Written workmanship guarantee, with building control handled where needed
Building regulations in England
Replacing more than half of a flat roof over a heated room usually counts as renovating a thermal element, so the roof is insulated to around 0.16 W/m²K where that's technically and economically feasible, and the work is notified to building control: the council or a registered building control approver, unless a registered competent person self-certifies it. A roof on a new extension is built to 0.15 W/m²K. Patch repairs, and most unheated detached garages, don't trigger the upgrade. Structural changes, or a new covering that adds 15% or more to the roof's weight, also need approval. More on the rules.
Which nearby areas do we also cover?
- Haywards Heath · 3 mi
- Lewes · 8 mi
- Portslade · 9 mi
- Brighton · 9 mi
- Uckfield · 10 mi
- Shoreham-by-Sea · 11 mi
Dormer roofs in Burgess Hill: questions
Do you cover Burgess Hill?
Yes. Burgess Hill is part of our West Sussex coverage, including postcode districts RH15. Surveys and roofs are carried out by vetted roofing teams working under S&K Property Investments and Improvement Ltd.
Who checks building regulations for a flat roof in Burgess Hill?
Where the work needs approval it goes to Mid Sussex District Council building control, or a registered building control approver. We tell you at the survey whether your job needs it and deal with the paperwork as part of the quote.
How much does a new dormer roof cost in Burgess Hill?
£1,550–£2,900 for an 8 m² GRP dormer roof including scaffold, at South East guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.
Can you replace the lead on my dormer at the same time?
Yes, where lead forms part of the dormer abutment or cheek flashings, we include renewing it in the roof job.
Why does my dormer leak at the back where it meets the roof?
That junction is the most common leak point, usually because the upstand or flashing under the tiles has failed. A proper re-roof rebuilds it.