In those Cases the dwelling-house to be let shall be another dwelling-house which, so far as is reasonably practicable in the case of that authority, affords accommodation which is—
similar as regards extent and character to the accommodation afforded by the current dwelling-house,
reasonably suitable to the means of the prospective tenant and his family, and
reasonably suitable to the needs of the prospective tenant and his family as regards proximity to place of work and place of education.