Home Extension Builders in Peckham

Home extension cost in Peckham typically ranges from £45,000 to £110,000+. A single-storey rear extension (3m x 4m) costs £45,000–£65,000, larger single-storey extensions run £65,000–£85,000, side returns £35,000–£55,000, and double-storey extensions £85,000–£110,000+. Costs vary based on groundworks, specification, and structural complexity. Buildaway provides full itemised home extension cost Peckham breakdowns before any work begins.

Home extension cost in Peckham runs 15–25% above the UK national average, reflecting South East London labour and material rates across SE15 and SE14. A single-storey rear extension averaging £35,000–£50,000 nationally sits at £45,000–£65,000 in Peckham. Buildaway offers honest, no-hidden-fee estimates from the outset.

Most home extensions in Peckham 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. Party wall agreements — particularly common with Peckham's terraced streets — and planning permissions may add further lead time. Buildaway sets realistic timelines from day one and keeps you updated throughout.

Buildaway offers single-storey rear extensions, side return extensions, double-storey additions, wrap-around extensions, and garage conversions across Peckham. Our home extension specialists evaluate your property's footprint, boundary conditions, and Southwark planning requirements before recommending the right solution and producing tailored home extension plans in Peckham.

We kick off with a free site survey covering your property's structure, boundaries, drainage, and any specific planning requirements in Peckham. We work through your home extension ideas together and clarify costs for your property type. Buildaway then prepares all architectural drawings, structural calculations, and handles submissions to Southwark Council — right through to Building Control completion certificates.

Yes — our in-house team of architects, structural engineers, and tradespeople covers everything: planning applications, party wall agreements, Building Control submissions, and all construction trades including groundworks, brickwork, roofing, carpentry, electrics, plumbing, and plastering. As a fully integrated home extension company in Peckham, you have one dedicated point of contact from first conversation to final handover.