Two-storey extensions in Tottenham
Homeowners in Tottenham can use us for the whole project or just the drawings and approvals. Start with a free visit.
Tottenham at a glance
- Postcode districts
- N17 and N18
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Tottenham Hale (0.8 miles), Edmonton (1.6 miles), Southgate (1.6 miles), Seven Sisters (1.9 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 Tottenham we also work in Tottenham Hale, Edmonton and Southgate, and across the rest of Greater London. Postcode districts in and near Tottenham: N17 and N18.
Extensions available in Tottenham
Two-storey rear extensions
Design, approvals and build for Tottenham homes. Guide from £67,000.
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Two-storey side extensions
Our London guide starts at £103,500 for this type.
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Two-storey wraparound extensions
For homes in Tottenham: typical guide from £144,500.
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Part single, part two-storey extensions
For homes in Tottenham: typical guide from £86,500.
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Extensions over a garage
For homes in Tottenham: typical guide from £38,000.
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First-floor extensions
Guide from £30,000 in Tottenham, including VAT.
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Two-storey extensions for semi-detached houses
Tottenham guide price from £67,000, Standard spec.
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Two-storey extensions for detached houses
For homes in Tottenham: typical guide from £103,500.
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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
Guide from £67,000 (plus en-suite) in Tottenham, including VAT.
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 Tottenham
Tottenham 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 Tottenham
Do you cover Tottenham?
Yes. We cover Tottenham (N17 and N18) and the surrounding area, including Tottenham Hale and Edmonton. The first site visit is free.
What does a two-storey extension cost in Tottenham?
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 Tottenham do you cover?
Everywhere around it, including Tottenham Hale (0.8 miles), Edmonton (1.6 miles) and Southgate (1.6 miles), and the rest of Greater London.