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Hipped Roof Dormers in Gloucestershire

We are a dormer specialist, not a general builder who occasionally does roofs — and across Gloucestershire that focus shows up in the detailing.

Free measured surveyA specialist visits, measures and tells you what the roof will and will not take.
Fixed written priceOne quotation covering structure, scaffold, weatherproofing, glazing and making good.
Building control managedWe submit, book the inspections and hand you the completion certificate.
Insured and guaranteed£5m public liability, ten-year structural and twenty-year flat roofing guarantees.
Nationwide coverageDirectly employed and vetted specialist teams across England, Wales, Scotland and Northern Ireland.

Hipped Roof Dormers — indicative geometry

Hipped Roof Dormers for Gloucestershire homes

Roofs across Gloucestershire are dominated by Victorian and Edwardian terraces, interwar semi-detached houses and post-war bungalows, and that mix decides almost everything about what a dormer here needs to look like and how it has to be built.

A hipped dormer slopes on the front and both sides, so no vertical face breaks the roof plane. That makes it visually recessive, which matters enormously on a front elevation or in a conservation area. The trade-off is a narrower window opening for the same overall footprint, because the hips eat into the front face at the head.

Key specification

Typical projection1.2m – 2.4m wide
Hip pitch40° – 50° typical
Roof finishPlain tile bonnet hips or slate with lead
FlashingLead soakers, back gutter and apron
Indicative guide prices. Our online tool gives a realistic range in about a minute — pick your dormer type, width, finish and scope. Get an indicative price →

Planning and building control in Gloucestershire

If the property is in a conservation area or the dormer faces the road, a full planning application is needed. We prepare the drawings and handle the submission either way.

Building regulations approval is separate and always required. We submit the application, book the inspections around the programme and hand you the completion certificate at the end — the document a buyer's surveyor will ask to see.

Why homeowners in Gloucestershire use us

Everything is priced from a measured survey, not a phone call — which is why our quotations tend to be the ones that still hold at the end of the job.

Send us the address and roughly what you are hoping to gain, and we will come back with a realistic answer rather than an optimistic one.

Other dormer work in Gloucestershire

FAQs

Hipped Roof Dormers in Gloucestershire — FAQs

How wide can a dormer be?

Structurally, as wide as the roof — full-width rear dormers regularly run six to eight metres, carried on a steel ridge beam. The limits are usually planning volume allowances and the setbacks needed at eaves and ridge, rather than what can be built.

What guarantees do you provide?

Structural work carries a ten-year guarantee, GRP and EPDM flat roofing twenty years, windows ten years on frames and sealed units, and lead and zinc work is covered for workmanship for ten years. You also receive the building control completion certificate, which is the document that actually matters when you sell.

Can you build a dormer in winter?

Yes, with adjustments. Temporary weather protection over the scaffold lets structural work continue in most conditions. GRP roofing needs dry conditions above about 5°C to cure properly, so in a cold spell we either sequence it differently or specify EPDM, which is unaffected.

How much does a dormer window cost?

A single flat roof dormer typically runs from around £9,000 to £20,000 supplied and fitted, depending on width, cladding finish and access. A full-width rear dormer on a semi is usually £28,000 to £45,000, and a complete dormer loft conversion including stairs, insulation, plaster and building control sign-off is more commonly £40,000 to £70,000. Our online guide-price tool gives you an indicative range in about a minute.

Does a dormer need building regulations approval?

Yes, always — permitted development covers planning, not building control. A dormer needs approval for structure, thermal performance under Part L, fire escape and protected route under Part B, and stairs under Part K if a staircase is involved. We handle the application, the inspections and the completion certificate.

Read all frequently asked questions →

Find out what your roof will take

A free measured survey in Gloucestershire tells you what is achievable, what it needs, and what it costs — before you commit to anything.

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