Two-storey extensions in Abingdon
Planning a bigger home in Abingdon? Compare extension types and guide prices below, then book a free site visit.
Abingdon at a glance
- Postcode districts
- OX13 and OX14
- Area
- Oxfordshire, England
- Price region
- South East England
- Nearest towns
- Didcot (4.6 miles), Cowley (5.3 miles), Oxford (5.7 miles), Wantage (8.4 miles)
- Distance to Oxford
- about 5.7 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.
Around Abingdon we also work in Didcot, Cowley and Oxford, and across the rest of Oxfordshire. Postcode districts in and near Abingdon: OX13 and OX14.
Extensions available in Abingdon

Two-storey rear extensions
Design, approvals and build for Abingdon homes. Guide from £61,500.
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Two-storey side extensions
For homes in Abingdon: typical guide from £94,500.
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Two-storey wraparound extensions
Design, approvals and build for Abingdon homes. Guide from £132,500.
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Part single, part two-storey extensions
Design, approvals and build for Abingdon homes. Guide from £79,000.
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Extensions over a garage
Our South East England guide starts at £34,500 for this type.
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First-floor extensions
Guide from £27,500 in Abingdon, including VAT.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Abingdon homes. Guide from £61,500.
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Two-storey extensions for detached houses
For homes in Abingdon: typical guide from £94,500.
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Kitchen extensions with bedrooms above
From £61,500 (before kitchen units) in Abingdon. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Abingdon guide price from £61,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
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 Abingdon
Abingdon 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 Abingdon
Do you cover Abingdon?
Yes. We cover Abingdon (OX13 and OX14) and the surrounding area, including Didcot and Cowley. The first site visit is free.
What does a two-storey extension cost in Abingdon?
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 Abingdon do you cover?
Everywhere around it, including Didcot (4.6 miles), Cowley (5.3 miles) and Oxford (5.7 miles), and the rest of Oxfordshire.