Home Extension Builders in Hackney

Home extension cost in Hackney typically ranges from £48,000 to £115,000+. A single-storey rear extension (3m x 4m) costs £48,000–£68,000, larger single-storey extensions run £68,000–£88,000, side returns £38,000–£58,000, and double-storey extensions £88,000–£115,000+. Costs vary based on groundworks, finishes, and any conservation or leasehold conditions. Buildaway provides full itemised home extension cost Hackney breakdowns before any work begins.

Home extension cost in Hackney runs 20–30% above the UK national average, driven by East London labour rates and high material costs across the E8 and E9 postcodes. A single-storey rear extension averaging £35,000–£50,000 nationally sits at £48,000–£68,000 in Hackney. Buildaway offers transparent, no-hidden-fee estimates from the outset.

Most home extensions in Hackney complete within 12 to 20 weeks. Single-storey rear extensions take 12–14 weeks, side returns 10–12 weeks, and double-storey extensions 16–20 weeks. Conservation area consents and party wall agreements — both common in Hackney — may add further lead time. Buildaway sets realistic programme dates from the start and keeps you updated throughout.

Buildaway offers single-storey rear extensions, side return extensions, double-storey additions, wrap-around extensions, and garage conversions across Hackney. Our home extension specialists assess your property’s footprint, boundary conditions, and local planning constraints before recommending the best solution and developing tailored home extension plans in Hackney.

We begin with a free site survey covering structure, boundaries, drainage, and any planning or conservation requirements specific to Hackney. We discuss your home extension ideas and work through costs for your property type. Buildaway then manages all architectural drawings, structural calculations, and submissions to Hackney Council — through to Building Control completion certificates.

Yes — our in-house team of architects, structural engineers, and tradespeople handles everything: planning applications, party wall agreements, conservation consents, Building Control submissions, and all construction trades. As a fully integrated home extension company in Hackney, you have one point of contact from first consultation to final handover.