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New house building

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  • Release date: 7 March 2017
  • Period covered: October to December 2016
  • Next update: 7 June 2017
Information on the number of new dwellings started, where building has commenced and those completed.

The information on new house building is based on the reports of local authority building inspectors and the National House Building Council (NHBC), which is a private approved inspector. It does not include information from other private approved inspectors.

Key points

  • The number of new dwellings started fell by 4 per cent during 2015-16 and this decrease continued into the first quarter of 2016-17. Since then numbers have been increasing and during the October to December 2016 quarter a total of 2,141 new dwellings were started. This is an increase of 27 per cent on the same quarter of the previous year and the highest number of starts recorded in any quarter since October to December 2007-08.
  • Following an annual increase of 12 per cent in 2015-16, the number of new dwellings completed has been decreasing each quarter during 2016-17 when compared to the previous year. There were 2,012 new dwellings completed during October to December 2016, down by 1 per cent on the previous year but 15 per cent more than the same quarter of 2014-15.
  • The private sector continued to account for the majority of new house building activity, at 78 per cent of all new dwellings completed during October to December 2016.
  • The number of private sector completions decreased by 5 per cent during October to December 2016, compared with the previous year, to 1,573 dwellings. Registered Social Landlord (RSL) completions however, were up by 15 per cent compared with the same quarter of 2015-16. The 439 new dwellings completed by RSLs during the quarter accounted for 22 per cent of all completions, compared with 19 per cent a year earlier. There were no local authority dwellings completed during the quarter.
  • The highest percentage of new dwellings completed in Wales continued to be 3 bedroom properties accounting for 37 per cent of all completions during October to December 2016.


Quarterly data are published on StatsWales and a report is published annually. The information published on StatsWales includes local authority level data as well as the number of new dwellings completed by dwelling type and number of bedrooms.


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