House Extensions Hackney E8 2026: Complete Guide to Costs, Planning and Design
Updated: Sep 30
Hackney is one of East London's most dynamic and sought-after residential areas, having undergone one of London's most significant property value transformations over the past two decades. The London Borough of Hackney now encompasses some of the most desirable Victorian terraced housing in East London across areas including Hackney Central E8, London Fields E8, Dalston E8, Stoke Newington N16, Clapton E5 and Homerton E9. The combination of large Victorian terraced houses, excellent transport links and strong buyer demand makes Hackney one of East London's most active areas for house extensions. LCCL Construction delivers house extensions across Hackney and all of East London as part of our complete design and build service.
House Extensions Hackney: Best Types for Local Properties
Hackney's large Victorian terraced houses are ideally suited to side return extensions, rear extensions and wraparound extensions. Many Hackney Victorian terraces have a side return alley alongside the rear — making the wraparound extension the outstanding choice for creating a large open plan ground floor. Double storey rear extensions are increasingly popular across Hackney for families needing space on both floors.
How Much Do House Extensions Cost in Hackney 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 Hackney
Most single storey rear extensions in Hackney fall within permitted development. Hackney has conservation areas including the De Beauvoir Conservation Area, the London Fields Conservation Area and the Clapton Conservation Area where planning permission is 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 Hackney?
A wraparound extension in Hackney costing £72,000 – £153,600 inc. VAT (£60,000 – £128,000 + VAT) typically adds £110,000 to £190,000 to the value of a Victorian terraced house — a return of 140 to 230 per cent. See our guide on how much value an extension adds in London.
Areas of Hackney and East London We Cover
LCCL Construction covers all areas of Hackney and surrounding East London including Hackney Central E8, London Fields E8, Dalston E8 N1, Stoke Newington N16, Clapton E5, Homerton E9, Hackney Wick E9, Victoria Park E3 E9, Bethnal Green E2, Shoreditch EC2 E1, Bow E3, Islington N1 and all surrounding postcodes.
Frequently Asked Questions About House Extensions in Hackney
How much does a house extension cost in Hackney?
Costs range from £45,600 inc. VAT (£38,000 + VAT) for a small rear extension to £145,000 for a large double storey. A typical wraparound costs £72,000 – £153,600 inc. VAT (£60,000 – £128,000 + VAT) in Hackney.
To get a free consultation call LCCL Construction on 020 8037 7332 or get an instant quote online.
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