Two-storey extensions in Tooting
Everything for a two-storey extension in Tooting, in one place: types, guide prices for London, the approval rules in England and how to get started.
Tooting at a glance
- Postcode districts
- SW17
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Furzedown (0.8 miles), Streatham (1.4 miles), Mitcham (1.5 miles), Earlsfield (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.
Around Tooting we also work in Furzedown, Streatham and Mitcham, and across the rest of Greater London. Postcode district in and near Tooting: SW17.
Extensions available in Tooting
Two-storey rear extensions
From £67,000 in Tooting. Free visit to firm it up.
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Two-storey side extensions
For homes in Tooting: typical guide from £103,500.
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Two-storey wraparound extensions
Design, approvals and build for Tooting homes. Guide from £144,500.
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Part single, part two-storey extensions
From £86,500 in Tooting. Free visit to firm it up.
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Extensions over a garage
Tooting guide price from £38,000, Standard spec.
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First-floor extensions
From £30,000 in Tooting. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Our London guide starts at £67,000 for this type.
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Two-storey extensions for detached houses
Guide from £103,500 in Tooting, including VAT.
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Kitchen extensions with bedrooms above
Our London guide starts at £67,000 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
From £67,000 (plus en-suite) in Tooting. Free visit to firm it up.
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Tooting, with a rough idea of the approval route and cost for each.
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 Tooting
Tooting 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 Tooting
Do you cover Tooting?
Yes. We cover Tooting (SW17) and the surrounding area, including Furzedown and Streatham. The first site visit is free.
What does a two-storey extension cost in Tooting?
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 Tooting do you cover?
Everywhere around it, including Furzedown (0.8 miles), Streatham (1.4 miles) and Mitcham (1.5 miles), and the rest of Greater London.