House Extensions Battersea SW11 2026: Complete Guide to Costs, Planning and Design
Updated: Sep 30
Battersea has undergone one of the most dramatic transformations of any London neighbourhood over the past decade. The completion of the Northern Line extension, the redevelopment of Battersea Power Station and Nine Elms and consistently rising property values have made SW11 one of South London's most active and exciting areas for house extensions. The concentration of large Victorian terraced houses across Clapham Junction, Lavender Hill, Battersea Park Road and Northcote Road — combined with strong buyer demand for additional space — creates excellent conditions for house extension investment. LCCL Construction delivers house extensions across Battersea and all of South London as part of our complete design and build service.
House Extensions Battersea SW11: Best Types for Local Properties
Battersea's large Victorian terraced houses are ideally suited to side return extensions, rear extensions and wraparound extensions. Many Battersea terraces have a side return alley alongside the rear of the ground floor — making a wraparound extension the outstanding choice for creating a wide open plan kitchen and dining space. Double storey rear extensions are also increasingly popular across SW11 for families needing space on both ground and first floor.
How Much Do House Extensions Cost in Battersea in 2026?
Rear extension: £42,000 – £90,000 inc. VAT (£35,000 – £75,000 + VAT).
Side return: £42,000 – £93,600 inc. VAT (£35,000 – £78,000 + VAT).
Wraparound: £72,000 – £153,600 inc. VAT (£60,000 – £128,000 + VAT).
Double storey: £90,000 – £198,000 inc. VAT (£75,000 – £165,000 + VAT).
All include full design and build. See our full house extension cost guide.
Planning Permission for House Extensions in Battersea
Most single storey rear extensions in Battersea fall within permitted development. However Battersea has conservation areas including the Battersea Park Conservation Area, the Battersea Village Conservation Area and the Shaftesbury Conservation Area where planning permission is always required. LCCL Construction checks all planning requirements. See our guide to house extension planning permission in London.
How Much Value Does a House Extension Add in Battersea?
A wraparound extension in Battersea costing £72,000 – £153,600 inc. VAT (£60,000 – £128,000 + VAT) typically adds £115,000 to £195,000 to the value of a Victorian terraced house — a return of 150 to 230 per cent. See our guide on how much value an extension adds in London.
Areas of Battersea and South London We Cover
LCCL Construction covers all areas of Battersea and surrounding South London including Battersea SW11, Clapham Junction SW11, Lavender Hill SW11, Battersea Park SW11, Nine Elms SW8, Queenstown Road SW8, Wandsworth SW18, Clapham SW4, Tooting SW17, Balham SW12, Chelsea SW3 SW10 and all surrounding postcodes.
Frequently Asked Questions About House Extensions in Battersea
How much does a house extension cost in Battersea?
Costs range from £45,600 inc. VAT (£38,000 + VAT) for a small rear extension to £146,000 for a large double storey. A typical wraparound costs £72,000 – £153,600 inc. VAT (£60,000 – £128,000 + VAT) in Battersea SW11.
To get a free consultation call LCCL Construction on 020 8037 7332 or get an instant quote online.
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