Two-storey extensions in Salisbury
Everything for a two-storey extension in Salisbury, in one place: types, guide prices for South West England, the approval rules in England and how to get started.
Salisbury at a glance
- Postcode districts
- SP1, SP2, SP3 and SP5
- Area
- Wiltshire, England
- Price region
- South West England
- Nearest towns
- Amesbury (7.3 miles), Bulford (8.4 miles), Tidworth (12.6 miles), Verwood (13.8 miles)
- Distance to Swindon
- about 33.8 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 Salisbury we also work in Amesbury, Bulford and Tidworth, and across the rest of Wiltshire. Postcode districts in and near Salisbury: SP1, SP2, SP3 and SP5.
Extensions available in Salisbury
Two-storey rear extensions
From £57,500 in Salisbury. Free visit to firm it up.
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Two-storey side extensions
Design, approvals and build for Salisbury homes. Guide from £88,500.
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Two-storey wraparound extensions
Guide from £124,000 in Salisbury, including VAT.
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Part single, part two-storey extensions
For homes in Salisbury: typical guide from £74,000.
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Extensions over a garage
Guide from £32,500 in Salisbury, including VAT.
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First-floor extensions
Salisbury guide price from £26,000, Standard spec.
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Two-storey extensions for semi-detached houses
From £57,500 in Salisbury. Free visit to firm it up.
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Two-storey extensions for detached houses
Our South West England guide starts at £88,500 for this type.
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Kitchen extensions with bedrooms above
Our South West England guide starts at £57,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Our South West England guide starts at £57,500 (plus en-suite) for this type.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Wiltshire, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in Wiltshire
- 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 Salisbury
Salisbury 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 Salisbury
Do you cover Salisbury?
Yes. We cover Salisbury (SP1, SP2, SP3 and SP5) and the surrounding area, including Amesbury and Bulford. The first site visit is free.
What does a two-storey extension cost in Salisbury?
Using our South West 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 £57,500–£78,000 including VAT. An extension over a garage is about £32,500–£47,500.
Which other places near Salisbury do you cover?
Everywhere around it, including Amesbury (7.3 miles), Bulford (8.4 miles) and Tidworth (12.6 miles), and the rest of Wiltshire.