Extension and loft costs in Southwark

Mostly Victorian terraces and Georgian townhouses, many converted to flats, with Edwardian houses around Dulwich and Peckham.

• House extension cost in Southwark

  A single-storey rear extension typically £65,000 to £102,000 all in.

  Expected £84,000

  £65,000£102,000
• Side-return extension cost in Southwark

  A side-return extension typically £48,000 to £78,000 all in.

  Expected £63,000

  £48,000£78,000
• Loft conversion cost in Southwark

  A loft conversion with a rear dormer typically £66,000 to £104,000 all in.

  Expected £85,000

  £66,000£104,000

This report is an informed estimate built from public data about your property and current London build costs. It is not a survey, a quote, a valuation or planning advice. Always get written quotes and, where noted, professional advice before committing to work.