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Carbon Monoxide

Heating and cooking appliances fuelled by gas, coal, smokeless fuels, wood or oil can cause CO poisoning.

  • Fit a Carbon Monoxide Detector in all rooms where there is a carbon-fuelled appliance such as boilers, fires (including open fires), gas or paraffin heaters, stoves or a flue
  • Gas boilers and appliances should be serviced once a year by a Gas Safe registered engineer. Visit or call 0800 408 5500
  • Ensure rooms with fuel burning appliances or boilers are properly ventilated
  • Never block air bricks or vents
  • Never block the outside grill of the flue

CO poisoning kills people.

It can also damage your health permanently. Beware of carbon monoxide poisoning symptoms:

Effects of Carbon Monoxide which are headaches, nausea, dizziness, breathlessness, collapse, loss of consciousness

What to do if you suspect Carbon Monoxide is present:

  1. Turn off gas
  2. Turn off appliances
  3. Open windows
  4. Get everyone to exit the house
  5. Call emergency services or the Gas Emergency Number 0800 111 999
  6. If feeling unwell, seek medical attention

Gas Safe Charity provide information and support; facilitate awareness and funding; work with charities and other organisations already trusted to go into people’s homes; and deliver practical and preventative guidance.

The Gas Safe Register is the official list of gas engineers who are qualified to work safely and legally on gas appliances.

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