Two-storey extensions in Severn Beach
We design, get approval for and build two-storey extensions in Severn Beach and the surrounding area. Choose the type of extension below or book a free site visit.
Severn Beach at a glance
- Postcode districts
- BS10
- Area
- Bristol, England
- Price region
- South West England
- Nearest towns
- Easton-in-Gordano (6 miles), Stoke Gifford (6.1 miles), Thornbury (7 miles), Portishead (7.1 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 Severn Beach (BS10) and the places around it, including Easton-in-Gordano (6.0 miles), Stoke Gifford (6.1 miles) and Thornbury.
Extensions available in Severn Beach
Two-storey rear extensions
Design, approvals and build for Severn Beach homes. Guide from £57,500.
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Two-storey side extensions
Design, approvals and build for Severn Beach homes. Guide from £88,500.
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Two-storey wraparound extensions
Guide from £124,000 in Severn Beach, including VAT.
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Part single, part two-storey extensions
For homes in Severn Beach: typical guide from £74,000.
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Extensions over a garage
Severn Beach guide price from £32,500, Standard spec.
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First-floor extensions
Our South West England guide starts at £26,000 for this type.
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Two-storey extensions for semi-detached houses
Guide from £57,500 in Severn Beach, including VAT.
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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
Guide from £57,500 (before kitchen units) in Severn Beach, including VAT.
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Extra bedroom and en-suite extensions
For homes in Severn Beach: typical guide from £57,500 (plus en-suite).
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 Bristol
- 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 Severn Beach
Severn Beach 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 Severn Beach
Do you cover Severn Beach?
Yes. We cover Severn Beach (BS10) and the surrounding area, including Easton-in-Gordano and Stoke Gifford. The first site visit is free.
What does a two-storey extension cost in Severn Beach?
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 Severn Beach do you cover?
Everywhere around it, including Easton-in-Gordano (6 miles), Stoke Gifford (6.1 miles) and Thornbury (7 miles), and the rest of Bristol.