(4)E+WThe valuer, in fixing the rent to be paid for the land compulsorily hired, shall take into consideration the rent (if any) at which the land has been let and the annual value at which the land is assessed for purposes of income tax or rating, the loss (if any) caused to the owner by severance, the terms and conditions of the hiring (including any reservation of sporting or fishing rights), and all the other circumstances connected with the land, but shall not make any allowance in respect of any use to which the land compulsorily hired might otherwise be put by the owner during the term of hiring, being a use in respect of which the owner is entitled to resume possession of the land under this Act.