Two-storey extensions in Wantage
We design, get approval for and build two-storey extensions in Wantage and the surrounding area. Choose the type of extension below or book a free site visit.
Wantage at a glance
- Postcode districts
- OX12 and SN7
- Area
- Oxfordshire, England
- Price region
- South East England
- Nearest towns
- Didcot (8 miles), Abingdon (8.4 miles), Wallingford (12.9 miles), Oxford (13.4 miles)
- Distance to Oxford
- about 13.4 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 postcode districts OX12 and SN7 in and around Wantage, along with neighbouring Didcot, Abingdon and Wallingford.
Extensions available in Wantage
Two-storey rear extensions
Guide from £61,500 in Wantage, including VAT.
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Two-storey side extensions
Our South East England guide starts at £94,500 for this type.
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Two-storey wraparound extensions
Our South East England guide starts at £132,500 for this type.
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Part single, part two-storey extensions
Our South East England guide starts at £79,000 for this type.
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Extensions over a garage
From £34,500 in Wantage. Free visit to firm it up.
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First-floor extensions
From £27,500 in Wantage. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Our South East England guide starts at £61,500 for this type.
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Two-storey extensions for detached houses
Our South East England guide starts at £94,500 for this type.
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Kitchen extensions with bedrooms above
Design, approvals and build for Wantage homes. Guide from £61,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Design, approvals and build for Wantage homes. Guide from £61,500 (plus en-suite).
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 Wantage
Wantage 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 Wantage
Do you cover Wantage?
Yes. We cover Wantage (OX12 and SN7) and the surrounding area, including Didcot and Abingdon. The first site visit is free.
What does a two-storey extension cost in Wantage?
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 Wantage do you cover?
Everywhere around it, including Didcot (8 miles), Abingdon (8.4 miles) and Wallingford (12.9 miles), and the rest of Oxfordshire.