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Bungalow Dormer Conversions in Oxfordshire

We are a dormer specialist, not a general builder who occasionally does roofs — and across Oxfordshire 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.

Bungalow Dormer Conversions — indicative geometry

Bungalow Dormer Conversions for Oxfordshire homes

Because Oxfordshire is largely Victorian and Edwardian terraces, interwar semi-detached houses and post-war bungalows, the roof pitches and span widths we meet are fairly predictable, and that makes feasibility a quick conversation rather than a guess.

Bungalows have the best lofts in Britain: wide spans, generous ridge heights and no party walls to negotiate. A dormer conversion can add two bedrooms and a bathroom to a chalet or true bungalow, usually with dormers front and rear. The two things that decide feasibility are the ridge height and where the staircase can land without eating the hallway.

Key specification

Typical gainTwo bedrooms plus bathroom
Ridge height needed2.6m+ from ceiling joist to ridge
Common layoutRear dormer plus two front dormers
StairNew flight, often over existing hall
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 Oxfordshire

Getting the consent route right at the start saves months. We establish whether it is permitted development, a lawful development certificate or a full application on the first visit.

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 Oxfordshire use us

The completion certificate is part of the deliverable, not an afterthought. It is the document that makes the space count when you come to sell.

If you want to know what your roof will actually take, the survey is free and there is no obligation attached to it.

Other dormer work in Oxfordshire

FAQs

Bungalow Dormer Conversions in Oxfordshire — FAQs

Will a dormer add value to my house?

A properly built and signed-off dormer conversion adding a bedroom and bathroom typically returns a meaningful share of its cost in value, and more in areas where floor space is scarce. The building control completion certificate is what makes the space count as habitable floor area on a valuation — without it, surveyors will not include it.

Is scaffolding included in the price?

Yes. Every quotation we issue includes scaffold design, erection, weekly inspection, hire for the programme and dismantling. Scaffold appearing as an extra afterwards is one of the more common complaints about dormer work, so we price it in from the start.

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.

Read all frequently asked questions →

Find out what your roof will take

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

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