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Housing hazards and licences

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  • Release date: 15 December 2016
  • Period covered: 2015-16
  • Next update: 19 December 2017
An annual report which includes information on houses in multiple occupation and on the condition of residential properties assessed by local authorities under the Housing Health and Safety Rating System.

The report also includes comparisons with figures for previous periods.

Key points

  • During 2015-16, local authorities carried out 6,276 assessments under the Housing Health and Safety Rating System, a decrease of 7 per cent on the previous year.
  • Over two thirds (68 per cent) of all assessments made during 2015-16 recorded no Category 1 hazards.
  • During 2015-16, Category 1 hazards were found in 2,024 (32 per cent) of all assessments made. The most common Category 1 hazard found in both Houses in Multiple Occupation (HMOS) and non-HMO dwellings was ‘Excess Cold’.
  • Action by local authorities, during 2015-16, resulted in 1,366 Category 1 hazards being resolved, of which 465 (34 per cent) were in HMOs and 901 (66 per cent) were in non-HMO dwellings.
  • At 31 March 2016, local authorities reported 14,749 known HMOs across Wales, which is up by 5 per cent on the previous year.
  • The overall number of licensed HMOs across Wales has increased steadily over recent years with 8,413 licensed HMOs reported at 31 March 2016.


The information collected annually on housing hazards and licences across Wales was previously shown within the annual statistical release ‘Housing Demolitions and Hazards’. This annual release was the subject of a review during the autumn of 2015 and following consultation with end users, it was agreed to publish the data on demolitions separately within a statistical headline and continue to publish information on hazards and licences in an annual release.


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