23) Planning Policy Guidance (PPG 15): Planning and the Historic Environment **

DOE and DNH (Department of the Environment and Department of National Heritage) (1994). Planning Policy Guidance (PPG 15): Planning and the Historic Environment. Department of the Environment Circular 8/87, U.K.

• Conservation and economic prosperity (1.4)
• General criteria (3.5)
• The grading of a building (3.6)
• Conservation areas (4.-4.40)
• Historic buildings (6)
• Principles of selection (6.10)
• The upkeep and repair of historic buildings (7)
• Guidance on alterations to listed buildings (Annex C)