Variation of condition 2 (approved plans) pursuant to planning permission 21/00449/FUL (Proposed demolition of the existing farmhouse and replacement with a 4-bedroom dwelling; demolition and change of use of detached outbuilding and replacement with a 3-bedroom and 2-bedroom dwelling; conversion of existing L-shaped outbuilding into 2no. 3-bedroom dwellings) to vary the external treatment of the buildings, materials and location/style of openings, as well as minor layout changes within the site