25.—(1) Where a relevant person has ceased to occupy what was formerly the dwelling occupied as the only or main residence following his estrangement or divorce from his former partner, that dwelling for a period of 26 weeks from the date on which he ceased to occupy that dwelling, or where the dwelling is occupied by the former partner who is a lone parent, for so long as it is so occupied.
(2) In this paragraph “dwelling” includes any premises not so occupied which it is impracticable or unreasonable to sell separately, in particular, in Scotland, any croft land on which the dwelling is situated.