Findings on carbon monoxide alarm usage in UK homes

According to research from HETAS, a not-for-profit promoting safe solid fuel appliance use, almost 10% of UK wood-burning stove owners have never tested their carbon monoxide (CO) alarms, cannot recall doing so, or have left over a year since their last check.

These findings coincide with CO Awareness Week (18–24 November) and advice from UK Fire and Rescue Services urging households to test CO alarms monthly.

Data from the Office for National Statistics reveals that accidental CO exposure causes an average of over 60 deaths annually in the UK, with 45% occurring in homes.

Concerns over counterfeit CO alarms

HETAS has raised alarms over counterfeit CO detectors, often sold through online platforms, which fail to meet British Standard detection requirements.

Consumer group Which? conducted tests on over 1,000 unbranded alarms, discovering many could not detect carbon monoxide or developed faults after initial use.

Alan Young, HETAS Compliance Manager, stressed the importance of buying certified CO alarms: “Counterfeit CO alarms are non-certified, not fit for purpose, and are a cause of growing concern for consumer safety.”

Young advised purchasing from reputable retailers and checking for CE and UKCA marks, compliance with EN 50291-1 standards, and correct design features.

Safe installation and maintenance recommendations

Bruce Allen, CEO of HETAS, highlighted the dangers of improper stove installation and maintenance, which could lead to CO buildup.

He emphasised the role of trained, registered installers and cleaner-burning stoves that meet UK Smoke Control Area standards.

HETAS maintains an online register of certified technicians and appliances.

Allen said: “Using a trained and registered installer who meets appropriate standards is key for your safety, as is having a compliant carbon monoxide alarm fitted in the same room as the appliance.”

He also recommended using Ready to Burn fuels and sweeping chimneys at least every six months.

Advice for homeowners, tenants, and landlords

HETAS underlined the shared responsibility for CO safety.

In the UK, legislation mandates landlords to install and test smoke and CO alarms at the beginning of a tenancy.

Homeowners are also urged to conduct regular testing of CO alarms.

Young added that counterfeit alarms often feature unclear instructions, missing safety labels, and design flaws.

He advised consumers to consult reputable sources, including the HETAS website, for guidance on appliance safety and compliance.

HETAS highlights counterfeit carbon monoxide alarm dangers in UK homes: Summary

HETAS research reveals that nearly one in ten UK households with wood-burning stoves neglect to regularly test their carbon monoxide alarms, posing significant risks.

Counterfeit CO detectors, often sold online, fail to meet safety standards, potentially endangering lives.

HETAS advises purchasing certified alarms with CE and UKCA markings and urges homeowners to test alarms monthly.

Additional recommendations include using trained installers, cleaner-burning stoves, Ready to Burn fuels, and regularly sweeping chimneys.

UK regulations also require landlords to fit and test alarms for tenants.

During CO Awareness Week, HETAS emphasises the importance of vigilance in ensuring the functionality and authenticity of CO alarms in homes.