Two-storey extensions in Bickley
We design, get approval for and build two-storey extensions in Bickley and the surrounding area. Choose the type of extension below or book a free site visit.
Bickley at a glance
- Postcode districts
- BR1
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Bromley (1.4 miles), Chislehurst (1.5 miles), Shortlands (1.8 miles), Orpington (2.9 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 Bickley (BR1) and the places around it, including Bromley (1.4 miles), Chislehurst (1.5 miles) and Shortlands.
Extensions available in Bickley
Two-storey rear extensions
Bickley guide price from £67,000, Standard spec.
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Two-storey side extensions
Our London guide starts at £103,500 for this type.
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Two-storey wraparound extensions
Design, approvals and build for Bickley homes. Guide from £144,500.
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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
From £38,000 in Bickley. Free visit to firm it up.
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First-floor extensions
From £30,000 in Bickley. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Bickley guide price from £67,000, Standard spec.
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Two-storey extensions for detached houses
Bickley guide price from £103,500, Standard spec.
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Kitchen extensions with bedrooms above
Bickley guide price from £67,000 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
For homes in Bickley: typical guide from £67,000 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Bickley depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
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 Bickley
Bickley 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 Bickley
Do you cover Bickley?
Yes. We cover Bickley (BR1) and the surrounding area, including Bromley and Chislehurst. The first site visit is free.
What does a two-storey extension cost in Bickley?
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 Bickley do you cover?
Everywhere around it, including Bromley (1.4 miles), Chislehurst (1.5 miles) and Shortlands (1.8 miles), and the rest of Greater London.