Two-storey extensions in Hackney
Everything for a two-storey extension in Hackney, in one place: types, guide prices for London, the approval rules in England and how to get started.
Hackney at a glance
- Postcode districts
- E5, E8 and E9
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Bethnal Green (1.3 miles), Canonbury (1.5 miles), Stamford Hill (1.8 miles), Spitalfields (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.
We cover postcode districts E5, E8 and E9 in and around Hackney, along with neighbouring Bethnal Green, Canonbury and Stamford Hill.
Extensions available in Hackney
Two-storey rear extensions
Guide from £67,000 in Hackney, including VAT.
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Two-storey side extensions
Hackney guide price from £103,500, Standard spec.
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Two-storey wraparound extensions
Hackney guide price from £144,500, Standard spec.
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Part single, part two-storey extensions
Guide from £86,500 in Hackney, including VAT.
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Extensions over a garage
For homes in Hackney: typical guide from £38,000.
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First-floor extensions
From £30,000 in Hackney. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
For homes in Hackney: typical guide from £67,000.
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Two-storey extensions for detached houses
Design, approvals and build for Hackney homes. Guide from £103,500.
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Kitchen extensions with bedrooms above
From £67,000 (before kitchen units) in Hackney. Free visit to firm it up.
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Extra bedroom and en-suite extensions
From £67,000 (plus en-suite) in Hackney. Free visit to firm it up.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Hackney we also design annexes, home offices and bedrooms over garages.
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 Hackney
Hackney 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 Hackney
Do you cover Hackney?
Yes. We cover Hackney (E5, E8 and E9) and the surrounding area, including Bethnal Green and Canonbury. The first site visit is free.
What does a two-storey extension cost in Hackney?
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 Hackney do you cover?
Everywhere around it, including Bethnal Green (1.3 miles), Canonbury (1.5 miles) and Stamford Hill (1.8 miles), and the rest of Greater London.