(1)In this section “relevant land” means any land purchased, or any land in or over which any new rights are purchased, by the Board for the purposes of the works.
(2)In assessing the compensation payable to any person on the purchase by the Board from him of any relevant land or any rights therein, the tribunal shall—
(a)have regard to the extent to which the land or the remaining contiguous lands belonging to the same person may be benefited by any of the works; and
(b)set off against the value of the relevant land any increase in value of the remaining contiguous lands belonging to the same person which will accrue to him by reason of the construction of any of the works.
(3)The [1961 c. 33.] Land Compensation Act 1961 shall have effect subject to the provisions of this section.