Erection of building for office accommodation, visitor reception and provision of staff facilities all with associated car parking, and provision of vehicle/plant garaging together with outside storage compound and parking to serve the spa/leisure building and wider site of Acresfield (variation of condition 02 on application 20/01210/FUL to swap location of archive store and meeting room to remove a window on the south elevation, add a window to office on east elevation, add 2 no. high level windows on the north elevation to corridor, remove external door to north elevation, and alter extent of stone/render on north elevation)