Two-storey extensions in South Norwood
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in South Norwood.
South Norwood at a glance
- Postcode districts
- SE25
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Thornton Heath (1 mile), Upper Norwood (1.3 miles), Crystal Palace (1.4 miles), Croydon (1.6 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 SE25 in and around South Norwood, along with neighbouring Thornton Heath, Upper Norwood and Crystal Palace.
Extensions available in South Norwood
Two-storey rear extensions
From £67,000 in South Norwood. Free visit to firm it up.
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Two-storey side extensions
South Norwood guide price from £103,500, Standard spec.
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Two-storey wraparound extensions
Guide from £144,500 in South Norwood, including VAT.
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Part single, part two-storey extensions
South Norwood guide price from £86,500, Standard spec.
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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
Guide from £30,000 in South Norwood, including VAT.
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Two-storey extensions for semi-detached houses
Guide from £67,000 in South Norwood, including VAT.
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Two-storey extensions for detached houses
Guide from £103,500 in South Norwood, including VAT.
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Kitchen extensions with bedrooms above
From £67,000 (before kitchen units) in South Norwood. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Guide from £67,000 (plus en-suite) in South Norwood, including VAT.
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 South Norwood 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 South Norwood
South Norwood 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 South Norwood
Do you cover South Norwood?
Yes. We cover South Norwood (SE25) and the surrounding area, including Thornton Heath and Upper Norwood. The first site visit is free.
What does a two-storey extension cost in South Norwood?
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 South Norwood do you cover?
Everywhere around it, including Thornton Heath (1 mile), Upper Norwood (1.3 miles) and Crystal Palace (1.4 miles), and the rest of Greater London.