Two-storey extensions in Yeovil
Everything for a two-storey extension in Yeovil, in one place: types, guide prices for South West England, the approval rules in England and how to get started.
Yeovil at a glance
- Postcode districts
- BA20, BA21, BA22, TA12, TA13, TA14 and nearby districts
- Area
- Somerset, England
- Price region
- South West England
- Nearest towns
- Sherborne (5 miles), Street (13.5 miles), Chard (15.3 miles), Bridport (15.4 miles)
- Distance to Bath
- about 32.2 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 Yeovil (BA20, BA21, BA22, TA12, TA13, TA14 and nearby districts) and the places around it, including Sherborne (5.0 miles), Street (13.5 miles) and Chard.
Extensions available in Yeovil
Two-storey rear extensions
Yeovil guide price from £57,500, Standard spec.
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Two-storey side extensions
Guide from £88,500 in Yeovil, including VAT.
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Two-storey wraparound extensions
For homes in Yeovil: typical guide from £124,000.
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Part single, part two-storey extensions
Guide from £74,000 in Yeovil, including VAT.
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Extensions over a garage
Guide from £32,500 in Yeovil, including VAT.
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First-floor extensions
From £26,000 in Yeovil. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
For homes in Yeovil: typical guide from £57,500.
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Two-storey extensions for detached houses
Yeovil guide price from £88,500, Standard spec.
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Kitchen extensions with bedrooms above
For homes in Yeovil: typical guide from £57,500 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £57,500 (plus en-suite) in Yeovil, including VAT.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Yeovil we also design annexes, home offices and bedrooms over garages.
Also available in Somerset
- 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 Yeovil
Yeovil 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 Yeovil
Do you cover Yeovil?
Yes. We cover Yeovil (BA20, BA21, BA22, TA12, TA13, TA14 and nearby districts) and the surrounding area, including Sherborne and Street. The first site visit is free.
What does a two-storey extension cost in Yeovil?
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 Yeovil do you cover?
Everywhere around it, including Sherborne (5 miles), Street (13.5 miles) and Chard (15.3 miles), and the rest of Somerset.