Two-storey extensions in Wood Green
Everything for a two-storey extension in Wood Green, in one place: types, guide prices for London, the approval rules in England and how to get started.
Wood Green at a glance
- Postcode districts
- N22
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Hornsey (0.9 miles), Palmers Green (1.3 miles), Muswell Hill (1.3 miles), Southgate (1.4 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 Wood Green (N22) and the places around it, including Hornsey (0.9 miles), Palmers Green (1.3 miles) and Muswell Hill.
Extensions available in Wood Green

Two-storey rear extensions
Guide from £67,000 in Wood Green, including VAT.
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Two-storey side extensions
For homes in Wood Green: typical guide from £103,500.
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Two-storey wraparound extensions
From £144,500 in Wood Green. Free visit to firm it up.
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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
Guide from £38,000 in Wood Green, including VAT.
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First-floor extensions
Design, approvals and build for Wood Green homes. Guide from £30,000.
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Two-storey extensions for semi-detached houses
From £67,000 in Wood Green. Free visit to firm it up.
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Two-storey extensions for detached houses
For homes in Wood Green: typical guide from £103,500.
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Kitchen extensions with bedrooms above
Guide from £67,000 (before kitchen units) in Wood Green, including VAT.
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Extra bedroom and en-suite extensions
For homes in Wood Green: typical guide from £67,000 (plus en-suite).
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 Wood Green, 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 Wood Green
Wood Green 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 Wood Green
Do you cover Wood Green?
Yes. We cover Wood Green (N22) and the surrounding area, including Hornsey and Palmers Green. The first site visit is free.
What does a two-storey extension cost in Wood Green?
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 Wood Green do you cover?
Everywhere around it, including Hornsey (0.9 miles), Palmers Green (1.3 miles) and Muswell Hill (1.3 miles), and the rest of Greater London.