Your local fire and rescue service is responsible for enforcing legislation; they can audit your premises and will look at your risk assessment to see if it effectively covers your premises. They have the statutory duty to audit your premises and it is the responsibility of the owner/employer to ensure that all levels of fire safety are compliant with the Regulatory Fire Safety Order.
If a fire was to occur on your premises fire authorities will investigate fires and will prosecute for breaches of the Fire Safety Order 2005.