11.—(1) It shall be an offence for a person—

( a ) to enter any building or the curtilage of any building or any part of such building or curtilage as a trespasser, or

( b ) to be within the vicinity of any such building or curtilage or part of such building or curtilage for the purpose of trespassing thereon,

in circumstances giving rise to the reasonable inference that such entry or presence was with intent to commit an offence or with intent to unlawfully interfere with any property situate therein.

(2) A person who is guilty of an offence under this section shall be liable on summary conviction to a fine not exceeding £1,000 or to imprisonment for a term not exceeding 6 months or to both.