A Flood Risk Assessment may be required as part of planning applications in Scotland if the development is considered to be located in a low to medium risk area and falls in the upper end of the probability range, Close to 0.5% or where the nature of the development or local circumstances indicate heightened risk.
A Flood Risk Assessment will be required if the site to be considered is located in a medium to high risk area (probability range greater than 0.5%). The requirements are detailed in the Scottish Planning Policy which is supervised, with regard to Flood Risk, by the Scottish Environment Protection Agency.
The Scottish Environment Protection Agency provide indicative flood zone maps online which can be viewed by clicking here, enter the site location or postcode and the map will display a broad indication of what the sites risk of flooding are, and from what source. This will give an indication on the likelihood of a Flood Risk Assessment being required to accompany a Planning Application for development.