Two-storey extensions in Highams Park
Homeowners in Highams Park can use us for the whole project or just the drawings and approvals. Start with a free visit.
Highams Park at a glance
- Postcode districts
- E4
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Woodford Green (1.3 miles), Walthamstow (1.3 miles), Chingford (1.6 miles), Snaresbrook (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 district E4 in and around Highams Park, along with neighbouring Woodford Green, Walthamstow and Chingford.
Extensions available in Highams Park
Two-storey rear extensions
Design, approvals and build for Highams Park homes. Guide from £67,000.
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Two-storey side extensions
From £103,500 in Highams Park. Free visit to firm it up.
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Two-storey wraparound extensions
Highams Park guide price from £144,500, Standard spec.
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Part single, part two-storey extensions
For homes in Highams Park: typical guide from £86,500.
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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
Guide from £30,000 in Highams Park, including VAT.
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Two-storey extensions for semi-detached houses
For homes in Highams Park: typical guide from £67,000.
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Two-storey extensions for detached houses
Our London guide starts at £103,500 for this type.
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Kitchen extensions with bedrooms above
Design, approvals and build for Highams Park 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 Highams Park, including VAT.
Learn moreWhich type suits your house?
Which type suits your house in Highams Park depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
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 Highams Park
Highams Park 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 Highams Park
Do you cover Highams Park?
Yes. We cover Highams Park (E4) and the surrounding area, including Woodford Green and Walthamstow. The first site visit is free.
What does a two-storey extension cost in Highams Park?
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 Highams Park do you cover?
Everywhere around it, including Woodford Green (1.3 miles), Walthamstow (1.3 miles) and Chingford (1.6 miles), and the rest of Greater London.