Two-storey extensions in West Wickham
Planning a bigger home in West Wickham? Compare extension types and guide prices below, then book a free site visit.
West Wickham at a glance
- Postcode districts
- BR4
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Shirley (Greater London) (1.6 miles), Shortlands (2.4 miles), Beckenham (2.9 miles), Bromley (3 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 West Wickham (BR4) and the places around it, including Shirley (Greater London) (1.6 miles), Shortlands (2.4 miles) and Beckenham.
Extensions available in West Wickham
Two-storey rear extensions
For homes in West Wickham: typical guide from £67,000.
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Two-storey side extensions
Design, approvals and build for West Wickham homes. Guide from £103,500.
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Two-storey wraparound extensions
Our London guide starts at £144,500 for this type.
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Part single, part two-storey extensions
Our London guide starts at £86,500 for this type.
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Extensions over a garage
For homes in West Wickham: typical guide from £38,000.
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First-floor extensions
Design, approvals and build for West Wickham homes. Guide from £30,000.
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Two-storey extensions for semi-detached houses
Our London guide starts at £67,000 for this type.
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Two-storey extensions for detached houses
For homes in West Wickham: typical guide from £103,500.
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Kitchen extensions with bedrooms above
From £67,000 (before kitchen units) in West Wickham. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Design, approvals and build for West Wickham homes. Guide from £67,000 (plus en-suite).
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in West Wickham we measure distances to every boundary before suggesting a type.
Also available in Greater London
- 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 West Wickham
West Wickham 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 West Wickham
Do you cover West Wickham?
Yes. We cover West Wickham (BR4) and the surrounding area, including Shirley (Greater London) and Shortlands. The first site visit is free.
What does a two-storey extension cost in West Wickham?
Using our London 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 £67,000–£90,500 including VAT. An extension over a garage is about £38,000–£55,000.
Which other places near West Wickham do you cover?
Everywhere around it, including Shirley (Greater London) (1.6 miles), Shortlands (2.4 miles) and Beckenham (2.9 miles), and the rest of Greater London.