Skip to main content

Carbon Monoxide – Irish Building Regulations & Standards

What are the Carbon Monoxide Building Regulations in Ireland?

In the Republic of Ireland, Carbon Monoxide (CO) safety is governed by Building Regulations – Part J (Heat Producing Appliances) and supported by Technical Guidance Document J. These regulations ensure that every home and property is protected against the dangers of CO poisoning.
.
Carbon Monoxide Awareness tail-right

Legal Requirements

  • Part J of the Building Regulations (as amended by S.I. No. 133/2014) requires:
    • Safe discharge of combustion products to outside air.
    • Reasonable provision to prevent CO exposure.
    • Clear instructions for safe operation and maintenance of appliances.
  • Technical Guidance Document J specifies:
    • A Carbon Monoxide alarm must be installed when any new or replacement open-flued or flueless combustion appliance is fitted (excluding cookers).
    • Applies to appliances burning gas, oil, coal, or wood.

>

Alarm Standards

All CO alarms installed in Ireland must:

  • Comply with EN 50291-1:2018 (domestic premises) and EN 50291-2:2010 (caravans/recreational vehicles).
  • Follow EN 50292:2013 for correct siting and maintenance.
  • Carry a CE mark and independent certification (e.g., Kitemark).
  • Include:
    • End-of-life indicator (visual and audible).
    • Audible alarm (visual-only alarms are not acceptable).

Where Should CO Alarms Be Installed?

To comply with Irish regulations and best practice:

  • In the room with the appliance.
  • Inside each bedroom or within 5 metres of the bedroom door along the corridor.
  • In any room where a flue passes through.
  • For appliances with extended concealed flues:
    • Install a Type A CO detector interlinked to shut down the appliance in each void and every room the flue passes through.
Carbon Monoxide alarms

Power Source

  • Mains-powered (hardwired) or sealed battery units.
  • Battery life must match the sensor life.
  • Must include an end-of-life timer and indicator.
Carbon Monoxide Building Regulations Ireland

Rental Properties

Under the Housing (Standards for Rented Houses) Regulations, landlords must install CO alarms where fuel-burning appliances exist (gas boilers, stoves, open fires). Failure to comply can result in penalties and prosecution.

Why Compliance Matters

Carbon Monoxide is a silent killer. These regulations are designed to protect lives. Ei Electronics products meet and exceed all Irish standards, ensuring maximum safety and peace of mind.

Advice and Guidance

Find out more about Carbon Monoxide Alarm siting

If you would like more advice on how to site alarms effectively throughout the property visit our page on alarm siting. If you would like more information on the standards and regulations for a property outside of these guidelines please contact our Technical Team, [email protected].

We’re Here To Help

Find the information you need in our library of educational and informative resources.

FAQstail-right
Send Us A Message:
Airplane [email protected]
Give Us A Call:
Phone +353 (0)61 471277