Greater London · England

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

Which 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

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.

Nearby towns

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