BWP Architects Harrogate News North Yorkshire Planning Planning Permission granted for garden room extension in Harrogate October 16, 2013July 8, 2014 BWP Architects 1987 Views BWP Architects, Conservation Area, Contemporary, Extension, Harrogate, James Palmer, Planning Permission Planning Permssion has recently been granted for a substantial garden room extension in Harrogate. The design provides a contemporary kitchen and dining space at a lowered ground floor level, preserving views from the existing Living Rooms.