(1)Where in the case of any dwelling-house affected by subsidence damage, at any time before the completion of remedial works or, in a case falling within section 8(4) above, at any time before all sums in respect of which the Corporation are liable to make payments have been expended—
(a)a notice to treat for the compulsory purchase of the dwelling-house under housing clearance powers is served in such circumstances that the compulsory purchase will be attributable to the damage; or
(b)a demolition or closing order is made in respect of the dwelling-house under housing clearance powers in such circumstances that the making of the order is so attributable,
the Corporation shall make in respect of the dwelling-house a payment equal to the amount of the depreciation in the value of the dwelling-house caused by the damage.
(2)Subsection (1) above applies without prejudice to any expenditure or liability of the Corporation under section 7 or 8 above in respect of works already executed; and where the Corporation make a payment under that subsection no further action is required of them under this Part in pursuance of their remedial obligation in respect of the dwelling-house.
(3)Where in the case of any property affected by subsidence damage—
(a)remedial works have been executed; but
(b)there is a depreciation in the value of the property caused by any damage the making good of which to the reasonable satisfaction of the claimant and any other person interested was not reasonably practicable,
the Corporation shall make in respect of the property a payment equal to the amount of that depreciation.
(4)References in subsection (1)(b) above to the making of a demolition or closing order in respect of the dwelling-house include, in relation to England and Wales, references to an area in which the dwelling-house is situated being declared to be a clearance area.