Two-storey extensions in East Dulwich
Homeowners in East Dulwich can use us for the whole project or just the drawings and approvals. Start with a free visit.
East Dulwich at a glance
- Postcode districts
- SE22
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Forest Hill (1.4 miles), Peckham (1.4 miles), Crofton Park (1.6 miles), Brockley (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.
We cover postcode district SE22 in and around East Dulwich, along with neighbouring Forest Hill, Peckham and Crofton Park.
Extensions available in East Dulwich

Two-storey rear extensions
For homes in East Dulwich: typical guide from £67,000.
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Two-storey side extensions
From £103,500 in East Dulwich. Free visit to firm it up.
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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
Design, approvals and build for East Dulwich homes. Guide from £86,500.
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Extensions over a garage
Our London guide starts at £38,000 for this type.
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First-floor extensions
From £30,000 in East Dulwich. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Design, approvals and build for East Dulwich homes. Guide from £67,000.
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Two-storey extensions for detached houses
East Dulwich guide price from £103,500, Standard spec.
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Kitchen extensions with bedrooms above
For homes in East Dulwich: typical guide from £67,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Design, approvals and build for East Dulwich homes. Guide from £67,000 (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 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 East Dulwich
East Dulwich 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 East Dulwich
Do you cover East Dulwich?
Yes. We cover East Dulwich (SE22) and the surrounding area, including Forest Hill and Peckham. The first site visit is free.
What does a two-storey extension cost in East Dulwich?
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 East Dulwich do you cover?
Everywhere around it, including Forest Hill (1.4 miles), Peckham (1.4 miles) and Crofton Park (1.6 miles), and the rest of Greater London.