Radiation Act 2005

For the purpose of monitoring compliance with this Act or the regulations, or investigating a possible contravention of this Act or the regulations, an authorised officer may—

enter, without consent, any place that is a non-residential premises that the authorised officer reasonably believes is being used in connection with a regulated activity at—

any reasonable hour in the daytime; or

any time that those premises are open for business;

enter a public place at any time without the consent of the occupier of the public place;

enter any other place (including residential premises) if—

the occupier or apparent occupier of the place consents to the entry of the place; or

the authorised officer is authorised to do so under a search warrant.

For the purpose of asking the occupier of a place that is a residential premises for consent to enter, the authorised officer may, without the occupier's consent or a warrant—

enter land around residential premises at the place to an extent that is reasonable to contact the occupier; or

enter part of the place the officer reasonably considers members of the public ordinarily are allowed to enter when they wish to contact the occupier.