1. The number of householder developments has increased by 10% between 2014 and 2016.
  2. Single storey extensions were estimated to account for around 35% of householder developments in 2016.
  3. Extensions of lofts and basements are a growing feature of the market, estimated to account for around 15% of householder developments.
  4. In terms of regions, England accounted for 91% of householder developments in 2016.
  5. The number of householder developments is expected to increase at a slower rate of around 2% per annum in 2018 and 2019.

These facts have been extracted from AMA Research’s ‘Home Extensions Market Report – GB 2017-2021 Analysis‘ available for purchase now.