Two-storey extensions in Kidlington
Need more room in Kidlington? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Kidlington at a glance
- Postcode districts
- OX5 and OX20
- Area
- Oxfordshire, England
- Price region
- South East England
- Nearest towns
- Oxford (5 miles), Cowley (7.1 miles), Bicester (7.9 miles), Witney (8.8 miles)
- Distance to Oxford
- about 5 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
We cover Kidlington (OX5 and OX20) and the places around it, including Oxford (5.0 miles), Cowley (7.1 miles) and Bicester.
Extensions available in Kidlington
Two-storey rear extensions
Guide from £61,500 in Kidlington, including VAT.
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Two-storey side extensions
Design, approvals and build for Kidlington homes. Guide from £94,500.
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Two-storey wraparound extensions
Kidlington guide price from £132,500, Standard spec.
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Part single, part two-storey extensions
Kidlington guide price from £79,000, Standard spec.
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Extensions over a garage
Guide from £34,500 in Kidlington, including VAT.
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First-floor extensions
Kidlington guide price from £27,500, Standard spec.
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Two-storey extensions for semi-detached houses
For homes in Kidlington: typical guide from £61,500.
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Two-storey extensions for detached houses
Design, approvals and build for Kidlington homes. Guide from £94,500.
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Kitchen extensions with bedrooms above
For homes in Kidlington: typical guide from £61,500 (before kitchen units).
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Extra bedroom and en-suite extensions
From £61,500 (plus en-suite) in Kidlington. Free visit to firm it up.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Oxfordshire, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in Oxfordshire
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Party wall notices for extensions
- Design and build two-storey extensions
Rules for Kidlington
Kidlington is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Questions about extensions in Kidlington
Do you cover Kidlington?
Yes. We cover Kidlington (OX5 and OX20) and the surrounding area, including Oxford and Cowley. The first site visit is free.
What does a two-storey extension cost in Kidlington?
Using our South East England guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £61,500–£83,000 including VAT. An extension over a garage is about £34,500–£50,500.
Which other places near Kidlington do you cover?
Everywhere around it, including Oxford (5 miles), Cowley (7.1 miles) and Bicester (7.9 miles), and the rest of Oxfordshire.