Two-storey extensions in Shirley (Greater London)
We design, get approval for and build two-storey extensions in Shirley (Greater London) and the surrounding area. Choose the type of extension below or book a free site visit.
Shirley (Greater London) at a glance
- Postcode districts
- CR0
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- West Wickham (1.6 miles), South Norwood (1.9 miles), South Croydon (2.2 miles), Croydon (2.2 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.
Around Shirley (Greater London) we also work in West Wickham, South Norwood and South Croydon, and across the rest of Greater London. Postcode district in and near Shirley (Greater London): CR0.
Extensions available in Shirley (Greater London)
Two-storey rear extensions
Guide from £67,000 in Shirley (Greater London), including VAT.
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Two-storey side extensions
From £103,500 in Shirley (Greater London). Free visit to firm it up.
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Two-storey wraparound extensions
Design, approvals and build for Shirley (Greater London) homes. Guide from £144,500.
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Part single, part two-storey extensions
For homes in Shirley (Greater London): typical guide from £86,500.
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Extensions over a garage
Guide from £38,000 in Shirley (Greater London), including VAT.
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First-floor extensions
For homes in Shirley (Greater London): typical guide from £30,000.
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Two-storey extensions for semi-detached houses
Shirley (Greater London) guide price from £67,000, Standard spec.
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Two-storey extensions for detached houses
Design, approvals and build for Shirley (Greater London) homes. Guide from £103,500.
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Kitchen extensions with bedrooms above
For homes in Shirley (Greater London): typical guide from £67,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Shirley (Greater London) guide price from £67,000 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Greater London, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Shirley (Greater London)
Shirley (Greater London) 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 Shirley (Greater London)
Do you cover Shirley (Greater London)?
Yes. We cover Shirley (Greater London) (CR0) and the surrounding area, including West Wickham and South Norwood. The first site visit is free.
What does a two-storey extension cost in Shirley (Greater London)?
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 Shirley (Greater London) do you cover?
Everywhere around it, including West Wickham (1.6 miles), South Norwood (1.9 miles) and South Croydon (2.2 miles), and the rest of Greater London.