Two-storey extensions in Oakwood (Greater London)
Need more room in Oakwood (Greater London)? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Oakwood (Greater London) at a glance
- Postcode districts
- N14
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Cockfosters (0.7 miles), East Barnet (1.3 miles), New Barnet (1.9 miles), Enfield Town (2 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 Oakwood (Greater London) we also work in Cockfosters, East Barnet and New Barnet, and across the rest of Greater London. Postcode district in and near Oakwood (Greater London): N14.
Extensions available in Oakwood (Greater London)
Two-storey rear extensions
For homes in Oakwood (Greater London): typical 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
From £144,500 in Oakwood (Greater London). Free visit to firm it up.
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Part single, part two-storey extensions
From £86,500 in Oakwood (Greater London). Free visit to firm it up.
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Extensions over a garage
Oakwood (Greater London) guide price from £38,000, Standard spec.
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First-floor extensions
Guide from £30,000 in Oakwood (Greater London), including VAT.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Oakwood (Greater London) homes. Guide from £67,000.
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Two-storey extensions for detached houses
Design, approvals and build for Oakwood (Greater London) homes. Guide from £103,500.
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Kitchen extensions with bedrooms above
Design, approvals and build for Oakwood (Greater London) homes. Guide from £67,000 (before kitchen units).
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Extra bedroom and en-suite extensions
For homes in Oakwood (Greater London): typical guide from £67,000 (plus en-suite).
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Oakwood (Greater London) we measure distances to every boundary before suggesting a type.
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 Oakwood (Greater London)
Oakwood (Greater London) 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 Oakwood (Greater London)
Do you cover Oakwood (Greater London)?
Yes. We cover Oakwood (Greater London) (N14) and the surrounding area, including Cockfosters and East Barnet. The first site visit is free.
What does a two-storey extension cost in Oakwood (Greater London)?
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 Oakwood (Greater London) do you cover?
Everywhere around it, including Cockfosters (0.7 miles), East Barnet (1.3 miles) and New Barnet (1.9 miles), and the rest of Greater London.