Two-storey extensions in Ealing
Planning a bigger home in Ealing? Compare extension types and guide prices below, then book a free site visit.
Ealing at a glance
- Postcode districts
- W5
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- West Ealing (0.6 miles), Ealing Common (0.7 miles), Acton (1.4 miles), Brentford (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.
Around Ealing we also work in West Ealing, Ealing Common and Acton, and across the rest of Greater London. Postcode district in and near Ealing: W5.
Extensions available in Ealing

Two-storey rear extensions
Design, approvals and build for Ealing homes. 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
Design, approvals and build for Ealing homes. Guide from £144,500.
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Part single, part two-storey extensions
Our London guide starts at £86,500 for this type.
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Extensions over a garage
For homes in Ealing: typical guide from £38,000.
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First-floor extensions
Design, approvals and build for Ealing homes. Guide from £30,000.
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Two-storey extensions for semi-detached houses
Guide from £67,000 in Ealing, including VAT.
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Two-storey extensions for detached houses
For homes in Ealing: typical guide from £103,500.
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Kitchen extensions with bedrooms above
Guide from £67,000 (before kitchen units) in Ealing, including VAT.
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Extra bedroom and en-suite extensions
For homes in Ealing: typical guide from £67,000 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Ealing 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 Ealing
Ealing 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 Ealing
Do you cover Ealing?
Yes. We cover Ealing (W5) and the surrounding area, including West Ealing and Ealing Common. The first site visit is free.
What does a two-storey extension cost in Ealing?
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 Ealing do you cover?
Everywhere around it, including West Ealing (0.6 miles), Ealing Common (0.7 miles) and Acton (1.4 miles), and the rest of Greater London.