Oxford, Oxfordshire
Bungalow rear extension in Oxford
Single-storey rear extensions that keep everything on one level. We design, get the approvals for and build rear extensions for bungalows in Oxford and the surrounding area, with one contract from the first survey to building control sign-off.
Oxford is covered from our Oxfordshire round, including OX1, OX2, OX3 and OX4. For bungalows in Oxfordshire, a rear extension is the usual way to add space without adding stairs.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a bungalow rear extension cost in Oxford?
Guide prices for a bungalow rear extension in Oxford start from our South East England rate of £2,070–£3,360 per square metre, including VAT. South East prices run above our West Midlands baseline, mainly on labour rates and clay-soil foundations.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £25,000–£40,500 |
| 4 m wide × 6 m deep (24 m²) | £49,500–£80,500 |
Your written price follows a measured survey and an agreed design, so it reflects your house, not an average.
Do you need planning permission for a bungalow rear extension in Oxford?
Here is how the rules in England apply to a bungalow rear extension in Oxford.
English permitted development (Class A) allows a single-storey rear extension of 3 metres on a terraced or semi-detached house and 4 metres on a detached one, measured from the original house, with a maximum height of 4 metres and eaves of no more than 3 metres within 2 metres of a boundary.
England also has the larger home extension route: a single-storey rear extension of up to 6 metres on an attached house or 8 metres on a detached house, after prior approval from the council. The council notifies your neighbours and has 42 days to decide; the fee is £249 (£310 for applications made from 8 December 2026). The route is not available on designated land such as conservation areas.
Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.
What are homes in Oxford like to extend?
Commuter semis and detached houses make up much of Oxford, and longer gardens make England's prior approval route for deeper rear extensions worth considering.
How a bungalow rear extension in Oxford comes together
Look round and measure
A free visit to see the back of the house, measure it, check the drains and boundaries and hear what you need.
Drawings and budget
Floor plans and elevations for the options, each with a guide price.
Paperwork handled
Planning, prior approval or permitted development, Building Regulations approval, structural design and party wall notices are all handled by us.
Fixed price and build
A written price for the agreed design, a start date and a named contact through the build, ending with the building control completion certificate.
Bungalow rear extensions near Oxford
From Oxford, the nearest places we also cover are Cowley (2.5 miles) and Kidlington (5.0 miles).
- Bungalow rear extension in Cowley
- Bungalow rear extension in Kidlington
- Bungalow rear extension in Abingdon
- Bungalow rear extension in Didcot
- Bungalow rear extension in Witney
Other work in Oxford:
FAQ
Bungalow rear extension questions in Oxford
How long does a rear extension take to build in Oxford?
Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.
Who will build my extension?
Vetted building teams working under contract to us. Your contract is with S&K Property Investments and Improvement Ltd for the design and the build.
Will the roof look odd?
Not if the pitch and tiles match. Where the eaves are low, a flat-roofed section with a lantern is an alternative.
Can I get a price without a visit?
Our online guide-price tool gives a range in a couple of minutes. A written price needs a survey.
How much does a bungalow rear extension cost in Oxford?
As a guide, £2,070–£3,360 per square metre including VAT for a standard specification. For example, 3 m wide × 4 m deep (12 m²): about £25,000–£40,500 at that rate. Your written price follows the survey.
Will I need a structural engineer?
Yes for the beam over the new opening and usually the foundations; we arrange them and their calculations go to building control.