"A building is designed as a dwelling .... where in relation to each dwelling the following conditions are satisfied: (a) the dwelling consists of self-contained living accommodation; (b) there is no provision for direct internal access from the dwelling to any other dwelling or part of a dwelling; (c) the separate use, or disposal of the dwelling is not prohibited by the terms of any covenant, statutory planning consent or similar provision; and (d) statutory planning consent has been granted in respect of that dwelling and its construction or conversion has been carried out in accordance with that consent."
"(8) The dwelling hereby approved shall only be occupied by a person or persons who owns or is employed in the operation of the adjoining workshop business, or a resident dependant of such a person [...]