Antrim and Newtownabbey·LDP 2030 Plan Strategy (adopted 2025)·Page 291·DM 46.3
Land raising in flood plains
Land raising to elevate sites above flood plains is prohibited in river flood plains but may be acceptable in coastal flood plains if it does not require future flood defences, exacerbate erosion, or cause unacceptable amenity impacts. Elevated buildings on structures such as stilts are not acceptable in either type of flood plain.
Land raising operations, which involve the permanent elevation of a site to a level above the flood plain in order to facilitate development, will not be acceptable in river flood plains. Land raising will however be acceptable in the coastal flood plain, but only where it can be demonstrated that the proposal will not generate a present or future need for flood defences, nor exacerbates coastal erosion in susceptible areas and the amenity impact of the land raising is otherwise judged acceptable. Elevated buildings on structures, such as stilts, will not be acceptable in either fluvial or coastal flood plains.
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