http://www.legislation.gov.uk/id/asp/2023/1

ScheduleEnforcement powers

Entry and associated powers

2

A constable may enter any premises (other than domestic premises)—

(a)

if there are reasonable grounds for suspecting that a relevant offence has been or is being committed at the premises, and

(b)

for the purpose of ascertaining whether or not a relevant offence has been or is being committed at the premises.