18.—(1) Sub-paragraph (2) applies to any renter where, under paragraph 5 of Schedule 3 (moving home: adaptations to new home for disabled person), the renter meets the occupation condition in respect of both the new accommodation and the old accommodation.
(2) The amount of the renter's housing costs element under this Schedule is to be calculated as follows.
Calculate an amount in accordance with Part 4 or Part 5 of this Schedule (as the case may be) in respect of both—
(a)the new accommodation; and
(b)the old accommodation.
Add together the amounts determined in step 1.
If a deduction was made for housing cost contributions in respect of both the new accommodation and the old accommodation, take the amount of the housing costs contributions deducted in respect of the new accommodation and add that to the amount resulting from step 2.
(3) In this paragraph, references to “the new accommodation” and “the old accommodation” are to be understood in accordance with paragraph 5 of Schedule 3.