Variation of conditions 1 (Approved plans) and 4 (Materials), of planning permission 16/3318/FUL dated 25/05/16 for 'Erection of 3no. two-storey dwelling house with rooms in roof space and 1no two-storey house following demolition of existing buildings with associated refuse storage, parking and landscaping.' Variation to include change of the materials of the windows on block D from timber to aluminium