National Parks and Access to the Countryside Act 1949

108 Powers of entry

(1) For the purpose of surveying land in connection with—

(a) the acquisition thereof or of any interest therein, whether by agreement or compulsorily,

(b) the making of a public path order, diversion order or extinguishment order with respect thereto, or

(c) the making of an access order with respect thereto,

in the exercise of any power conferred by this Act, any person duly authorised in writing by the Minister or other authority having power so to acquire the land or to make the order, as the case may be, may enter upon the land.

(2) For the purpose of surveying land, or of estimating its value, in connection with any claim for compensation payable under this Act by a Minister or other authority in respect of that or any other land, any person being an officer of the Valuation Office or a person duly authorised in writing by the authority from whom the compensation is claimed may enter upon the land.

(3) A person authorised under this section to enter upon any land shall, if so required, produce evidence of his authority before entering; and a person shall not under this section demand admission as of right to any land which is occupied unless at least seven days' notice in writing of the intended entry has been given to the occupier.

(4) Any person who wilfully obstructs a person in the exercise of his powers under this section shall be liable on summary conviction to a fine not exceeding twenty pounds.