Change of use of agricultural barn to mixed use to include art studio for teaching, gallery with sales, function room and commercial kitchen and retention of structural repairs to ground slab, oak frame, brick plinth, timber cladding, insulation, plaster, windows, floor finishes, and alterations to form WC and kitchen and replace roof covering, and construction of car park

External works and alterations (retrospective) including - the construction of a new entrance porch, new chimney, replacement cladding and external materials to the walls and roof and new windows and doors to allow the change of use of the building for uses incidental to the principal use of the dwelling known as Birchwood Farm as a home office, overnight guest accommodation, and the provision of new welfare facilities including toilet and shower in addition to agricultural use