Two-storey extensions in Ealing Common
Planning a bigger home in Ealing Common? Compare extension types and guide prices below, then book a free site visit.
Ealing Common at a glance
- Postcode districts
- W5
- Area
- Greater London, England
- Price region
- London
- Nearest towns
- Ealing (0.7 miles), Acton (0.8 miles), West Ealing (1.3 miles), Brentford (1.5 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 Ealing Common (W5) and the places around it, including Ealing (0.7 miles), Acton (0.8 miles) and West Ealing.
Extensions available in Ealing Common

Two-storey rear extensions
Design, approvals and build for Ealing Common homes. Guide from £67,000.
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Two-storey side extensions
Design, approvals and build for Ealing Common homes. Guide from £103,500.
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Two-storey wraparound extensions
From £144,500 in Ealing Common. Free visit to firm it up.
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Part single, part two-storey extensions
Design, approvals and build for Ealing Common homes. Guide from £86,500.
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Extensions over a garage
Design, approvals and build for Ealing Common homes. Guide from £38,000.
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First-floor extensions
For homes in Ealing Common: typical guide from £30,000.
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Two-storey extensions for semi-detached houses
For homes in Ealing Common: typical guide from £67,000.
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Two-storey extensions for detached houses
Guide from £103,500 in Ealing Common, including VAT.
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Kitchen extensions with bedrooms above
Ealing Common guide price from £67,000 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Our London guide starts at £67,000 (plus en-suite) for this type.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Greater London, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Common
Ealing Common 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 Common
Do you cover Ealing Common?
Yes. We cover Ealing Common (W5) and the surrounding area, including Ealing and Acton. The first site visit is free.
What does a two-storey extension cost in Ealing Common?
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 Common do you cover?
Everywhere around it, including Ealing (0.7 miles), Acton (0.8 miles) and West Ealing (1.3 miles), and the rest of Greater London.