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Social Research

Welsh Housing Conditions Survey

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  • Release date: 6 December 2018
  • Period covered: 2017/18
  • Next update: 11 April 2019
The Welsh Housing Conditions Survey (WHCS) collects information about the condition and energy efficiency of all types of housing in Wales.

These are the first set of housing conditions results for Wales since the last survey in 2008.  Fieldwork ran from August 2017 until the end of April 2018. A sample of addresses was drawn from eligible households taking part in the National Survey for Wales 2017-18. This resulted in physical inspections of 2,549 properties across Wales, which enables us to produce national level estimates.

The headline results include data on housing stock characteristics, housing conditions and the Housing Health and Safety Rating System.

There is also an easy-to-use results viewer if you’d like to explore results on a range of topics.

Key points

  • Since the last survey in 2008 housing conditions across all tenures in Wales have improved.
  • Wales has the oldest housing stock in the UK, with similar spread of housing types.
  • The proportion of dwellings in the private rented sector has increased considerably since 1981. The private rented sector generally has the oldest housing stock and a higher proportion of poor quality housing (e.g. containing damp or other hazards).
  • Social housing is generally of better quality than private housing (both owner occupied and private rented); as are newer houses.
  • The average energy efficiency band has improved from Band E in 2008 to Band D in 2017-18.


One sentence on page 2 of the release relating to the estimated number of dwellings in Wales was removed on 6 December.


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