In an application to Pembrokeshire Coast National Park, Mr and Mrs Stevenson, through agent JCR Planning Ltd, sought permission for the conversion of an agricultural barn to a two-bedroom residential dwelling with an ancillary office and workshop at Ty Llwyd Bach, Cippyn, St Dogmaels. A condition imposed with the [2022] scheme prevents the building from being used for any residential accommodation.” “The lack of an established rural enterprise does not justify the substantial change of use to residential in order to establish the business that gave rise to the previous proposal. “This would wholly undermine the previous application which demonstrated that the building was necessary to support a rural enterprise. “It is considered that the significant extent of change of use to residential and resulting loss of agricultural use space would not comprise a genuine mixed-use building.”