PPS 21 Sustainable Development in the Countryside·Page 23·5.14
Demolition Condition Requirement
All replacement dwelling permissions must be subject to a condition requiring demolition of the existing dwelling or restricting its future use if retained as part of the overall development scheme.
All permissions for a replacement dwelling granted under this policy will be subject to a condition requiring demolition of the existing dwelling or restricting its future use if it is to be retained as part of the overall development scheme.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/PPS 21 - Sustainable Development in the Countryside.pdf