House Extensions Ealing W5 2026: Complete Guide to Costs, Planning and Types

Ealing is one of West London's most prestigious and family-friendly residential areas, sitting in the W5 postcode with excellent Central line, District line, Piccadilly line and Elizabeth line connections into central London. Known as the Queen of the Suburbs, Ealing is characterised by a mix of Victorian terraces, Edwardian villas and 1930s semis with generous plot sizes making it one of West London's best areas for house extensions. Consistently strong property values across Ealing Broadway W5 and surrounding streets make extensions here one of the smartest home improvement investments. LCCL Construction delivers house extensions across Ealing and all of West London as part of our complete design and build service.

LCCL Construction — specialist house extension builders in Ealing W5 and West London

Best House Extension Types for Ealing W5 Properties

The Victorian terraces and Edwardian semis across Ealing W5 are ideally suited to wraparound extensions which combine a rear extension with a side return to maximise ground floor space. The 1930s semis in Northfields, Pitshanger and West Ealing suit double storey extensions that can transform a typical three-bedroom home into a five or six-bedroom family house.

How Much Do House Extensions Cost in Ealing in 2026?

Rear extension: £35,000 to £75,000.

Side return: £35,000 to £75,000.

Wraparound: £60,000 to £128,000.

Double storey: £75,000 to £145,000.

All include full design and build. See our full home extension cost guide.

Planning Permission for House Extensions in Ealing

Ealing has extensive conservation area coverage — Ealing Broadway, Ealing Green, Ealing Village, Pitshanger and Brentham Garden Suburb are all conservation areas with restricted permitted development rights. Article 4 directions further remove PD rights in specific streets. Most house extensions in central Ealing W5 require full planning permission from the London Borough of Ealing. LCCL Construction handles all planning applications. See our full house extension planning permission guide.

How Much Value Does an Extension Add in Ealing?

A wraparound extension costing £80,000 typically adds £160,000 to £280,000 to the value of an Ealing property — a return of 200 to 350 per cent. A double storey extension costing £110,000 typically adds £220,000 to £380,000. See our full guide on how much value an extension adds.

Areas Around Ealing We Cover

LCCL Construction covers Ealing W5, Ealing Broadway W5, Ealing Common W5, West Ealing W13, Northfields W13, Pitshanger W5, Hanwell W7, Acton W3 W4, Chiswick W4, Brentford TW8, Southall UB1 UB2 and all surrounding West London postcodes.

Frequently Asked Questions About House Extensions in Ealing

How much does a house extension cost in Ealing W5?

From £35,000 for a small rear extension to £145,000+ for a large double storey. A typical wraparound extension costs £60,000 to £128,000.

Do I need planning permission for a house extension in Ealing?

Most house extensions in Ealing W5 require planning permission because much of the area falls within conservation areas or under Article 4 directions removing permitted development rights.

To get a free consultation call LCCL Construction on 020 8037 7332 or get an instant quote online.