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Deliberate fires

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  • Release date: 15 November 2018
  • Period covered: 2017-18
A biennial report which shows information on to type of fire, casualties, damage and source.

Key points


  • The Welsh Fire and Rescue Services attended a total of 6,372 deliberate fires in 2017-18. This is an increase of 7 per cent compared with the previous year, but is only around a quarter of the number in 2001-02. Of these fires, 19 per cent were primary fires.
  • In 2017-18, two thirds of deliberate fires were in South Wales, almost a quarter in Mid and West Wales, and a tenth were in North Wales.


  • In 2017-18, there were 677 primary fires started deliberately in vehicles, a decrease of 19 per cent compared with the previous year.

School fires

  • In 2017-18, there were 8 deliberate fires in schools, equating to almost a third of all fires in schools.

Source and hazardous materials

  • Over the last 5 years, furniture and furnishings were the materials first ignited in 18 per cent of deliberate primary fires.
  • Of the dangerous substances in deliberate primary fires in total in 2013-14 to 2017-18, 76 per cent were flammable liquids.


  • In 2017-18, there were 47 non-fatal casualties in deliberate fires. There were no fatalities.


Tel: 0300 025 6699

Tel: 0300 025 8099

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