Two-storey extensions in Edmonton
Planning a bigger home in Edmonton? Compare extension types and guide prices below, then book a free site visit.
Edmonton at a glance
- Postcode districts
- N9
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Ponders End (1.4 miles), Tottenham (1.6 miles), Southgate (1.9 miles), Enfield Town (2.1 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 Edmonton (N9) and the places around it, including Ponders End (1.4 miles), Tottenham (1.6 miles) and Southgate.
Extensions available in Edmonton
Two-storey rear extensions
For homes in Edmonton: typical guide from £67,000.
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Two-storey side extensions
For homes in Edmonton: typical guide from £103,500.
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Two-storey wraparound extensions
Guide from £144,500 in Edmonton, including VAT.
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Part single, part two-storey extensions
Our London guide starts at £86,500 for this type.
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Extensions over a garage
Edmonton guide price from £38,000, Standard spec.
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First-floor extensions
Guide from £30,000 in Edmonton, including VAT.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Edmonton homes. Guide from £67,000.
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Two-storey extensions for detached houses
Design, approvals and build for Edmonton homes. Guide from £103,500.
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Kitchen extensions with bedrooms above
Guide from £67,000 (before kitchen units) in Edmonton, including VAT.
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Extra bedroom and en-suite extensions
Our London guide starts at £67,000 (plus en-suite) for this type.
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 Edmonton
Edmonton 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 Edmonton
Do you cover Edmonton?
Yes. We cover Edmonton (N9) and the surrounding area, including Ponders End and Tottenham. The first site visit is free.
What does a two-storey extension cost in Edmonton?
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 Edmonton do you cover?
Everywhere around it, including Ponders End (1.4 miles), Tottenham (1.6 miles) and Southgate (1.9 miles), and the rest of Greater London.