Two-storey extensions in Stroud Green
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Stroud Green.
Stroud Green at a glance
- Postcode districts
- N4
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Crouch End (0.6 miles), Harringay (0.7 miles), Hornsey (1 mile), Archway (1.1 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.
Around Stroud Green we also work in Crouch End, Harringay and Hornsey, and across the rest of Greater London. Postcode district in and near Stroud Green: N4.
Extensions available in Stroud Green
Two-storey rear extensions
Design, approvals and build for Stroud Green homes. Guide from £67,000.
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Two-storey side extensions
Stroud Green guide price from £103,500, Standard spec.
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Two-storey wraparound extensions
From £144,500 in Stroud Green. Free visit to firm it up.
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Part single, part two-storey extensions
Guide from £86,500 in Stroud Green, including VAT.
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Extensions over a garage
For homes in Stroud Green: typical guide from £38,000.
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First-floor extensions
Guide from £30,000 in Stroud Green, including VAT.
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Two-storey extensions for semi-detached houses
Guide from £67,000 in Stroud Green, including VAT.
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Two-storey extensions for detached houses
Guide from £103,500 in Stroud Green, including VAT.
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Kitchen extensions with bedrooms above
From £67,000 (before kitchen units) in Stroud Green. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Stroud Green guide price from £67,000 (plus en-suite), Standard spec.
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 Stroud Green 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 Stroud Green
Stroud 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 Stroud Green
Do you cover Stroud Green?
Yes. We cover Stroud Green (N4) and the surrounding area, including Crouch End and Harringay. The first site visit is free.
What does a two-storey extension cost in Stroud 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 Stroud Green do you cover?
Everywhere around it, including Crouch End (0.6 miles), Harringay (0.7 miles) and Hornsey (1 mile), and the rest of Greater London.