Letting agents and landlords have been warned that hundreds of thousands of rented homes in the UK are missing carbon monoxide alarms.
The comments, published during Carbon Monoxide Awareness Week, were made by domestic appliance care provider Domestic & General, which said that if a property is found not to have alarms installed, landlords is subject to a fine of up to £5,000. 
According to the company, 10% of tenants surveyed in the survey said their homes with gas boilers did not have alarms installed, and approximately 400,000 rental homes in the UK are illegally installed. It has been suggested that the facility may be operated by
For the past two years, rental properties with gas appliances have been required to have carbon monoxide alarms installed under the Smoke and Carbon Monoxide Alarms (Amendment) Regulations from October 2022.
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Such alarms must be installed in rooms used as “residential premises” that contain stationary combustion appliances such as gas boilers (excluding gas cookers).
Ian Palmer-Smith, domestic and general appliance repair specialist, said:
“As a general rule, carbon dioxide alarms should be installed on every floor of a rental property. They should also be installed near areas such as bedrooms and in rooms with boilers, fires or stoves.”
Homeowners are being asked to test their alarms monthly, and Mr Palmer-Smith said: “Because carbon dioxide is invisible and dangerous, we must rely on alarms to alert us to its presence.”
The Awareness Week campaign points out that carbon monoxide poisoning causes around 40 deaths and more than 440 hospitalizations in England and Wales each year.
