PPS 15 Planning and Flood Risk (Revised)·Page 27·Policy FLD 1 - Exceptions - Undefended Areas
Exception: Undefended Areas - Raised Land in Coastal Settlements
New development in coastal flood plains may be permitted where land is raised through infilling to an acceptable level, provided the proposal does not depend on new coastal flood defences.
b) New development within settlements in the coastal floodplain where the land is raised (through infilling), to an acceptable level above the flood plain and subject to meeting all of the following criteria:
• The proposal is not dependent on the provision of new coastal flood defences or likely to require such protection as a result
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/PPS 15 - Planning and Flood Risk (Revised).pdf