PPS 6 Planning Archaeology and the Built Heritage·Page 28·6.16
Detailed Guidance on Listed Building Alterations
Further detailed guidance on alterations to listed buildings is provided in Annex E, and BS 7913:1998 offers principles for conservation of historic buildings.
Further detailed guidance on alterations to listed buildings is given in Annex E. The Department would also draw attention to BS 7913:1998 which provides advice, information and guidance on the principles of the conservation of historic buildings.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/PPS 6 - Planning Archaeology and the Built Heritage.pdf