Two-storey extensions in Brixton
Homeowners in Brixton can use us for the whole project or just the drawings and approvals. Start with a free visit.
Brixton at a glance
- Postcode districts
- SE5, SE24 and SW9
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Brixton Hill (1.2 miles), Clapham (1.4 miles), Peckham (1.7 miles), East Dulwich (1.7 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 Brixton we also work in Brixton Hill, Clapham and Peckham, and across the rest of Greater London. Postcode districts in and near Brixton: SE5, SE24 and SW9.
Extensions available in Brixton
Two-storey rear extensions
Guide from £67,000 in Brixton, including VAT.
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Two-storey side extensions
Design, approvals and build for Brixton homes. Guide from £103,500.
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Two-storey wraparound extensions
From £144,500 in Brixton. Free visit to firm it up.
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Part single, part two-storey extensions
Guide from £86,500 in Brixton, including VAT.
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Extensions over a garage
For homes in Brixton: typical guide from £38,000.
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First-floor extensions
Our London guide starts at £30,000 for this type.
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Two-storey extensions for semi-detached houses
Brixton guide price from £67,000, Standard spec.
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Two-storey extensions for detached houses
Design, approvals and build for Brixton homes. Guide from £103,500.
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Kitchen extensions with bedrooms above
Design, approvals and build for Brixton homes. Guide from £67,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Design, approvals and build for Brixton homes. Guide from £67,000 (plus en-suite).
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 Brixton we also design annexes, home offices and bedrooms over garages.
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 Brixton
Brixton 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 Brixton
Do you cover Brixton?
Yes. We cover Brixton (SE5, SE24 and SW9) and the surrounding area, including Brixton Hill and Clapham. The first site visit is free.
What does a two-storey extension cost in Brixton?
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 Brixton do you cover?
Everywhere around it, including Brixton Hill (1.2 miles), Clapham (1.4 miles) and Peckham (1.7 miles), and the rest of Greater London.