Extension and loft costs in Barking and Dagenham

Mainly interwar and postwar terraces and semis, including the large Becontree estate, with newer flats near the river.

• House extension cost in Barking and Dagenham

  A single-storey rear extension typically £58,000 to £92,000 all in.

  Expected £75,000

  £58,000£92,000
• Side-return extension cost in Barking and Dagenham

  A side-return extension typically £43,000 to £70,000 all in.

  Expected £57,000

  £43,000£70,000
• Loft conversion cost in Barking and Dagenham

  A loft conversion with a rear dormer typically £59,000 to £93,000 all in.

  Expected £76,000

  £59,000£93,000

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.