Furthermore, 20% do not have a carbon monoxide alarm fitted, according to the survey which coincides with Gas Safety Week (19-25th September).
James Bennett, managing director of business services for British Gas Business, said: “Without safely functioning gas appliances and a secure gas supply, businesses could put their revenues, and the safety of employees and customers at risk.
“British Gas Business is backing this campaign, to make sure all our customers know about their responsibilities. Every business should have its gas appliances checked and have an audible carbon monoxide detector.”
The results also showed that more than three quarters (77%) of small to medium-sized business owners were aware that gas appliances need to be checked annually, and almost four in five (79%) said that not taking annual gas safety checks could put lives at risk.
Employers have a legal requirement to ensure their gas appliances, gas pipework and flues are maintained in a safe condition. Landlords must also complete annual gas safety checks.