Two-storey extensions in West Ham
Homeowners in West Ham can use us for the whole project or just the drawings and approvals. Start with a free visit.
West Ham at a glance
- Postcode districts
- E13
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Stratford (0.7 miles), Canning Town (1.4 miles), Bow (1.5 miles), Manor Park (1.8 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 district E13 in and around West Ham, along with neighbouring Stratford, Canning Town and Bow.
Extensions available in West Ham
Two-storey rear extensions
From £67,000 in West Ham. Free visit to firm it up.
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Two-storey side extensions
West Ham guide price from £103,500, Standard spec.
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Two-storey wraparound extensions
For homes in West Ham: typical guide from £144,500.
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Part single, part two-storey extensions
From £86,500 in West Ham. Free visit to firm it up.
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Extensions over a garage
Our London guide starts at £38,000 for this type.
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First-floor extensions
For homes in West Ham: typical guide from £30,000.
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Two-storey extensions for semi-detached houses
From £67,000 in West Ham. Free visit to firm it up.
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Two-storey extensions for detached houses
Guide from £103,500 in West Ham, including VAT.
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Kitchen extensions with bedrooms above
Design, approvals and build for West Ham homes. Guide from £67,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Guide from £67,000 (plus en-suite) in West Ham, including VAT.
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 West Ham
West Ham 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 West Ham
Do you cover West Ham?
Yes. We cover West Ham (E13) and the surrounding area, including Stratford and Canning Town. The first site visit is free.
What does a two-storey extension cost in West Ham?
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 West Ham do you cover?
Everywhere around it, including Stratford (0.7 miles), Canning Town (1.4 miles) and Bow (1.5 miles), and the rest of Greater London.