20Set-off for enhancement in value of retained land
(1)In this section “relevant land” means any land or any subsoil or under-surface of or new rights in, under or over any land acquired by the Company for the purposes of the works.
(2)In assessing the compensation payable to any person on the acquisition by the Company from him of any relevant land, the Lands Tribunal shall—
(a)have regard to the extent to which the lands or the remaining contiguous lands belonging to the same person may be benefited by the works; and
(b)set off against the value of the relevant land any increase in the value of the remaining contiguous lands belonging to the same person which will accrue to him by reason of the construction of the works.
(3)The [1961 c. 33.] Land Compensation Act 1961 shall have effect subject to the provisions of this section.