Belfast·SPG009 Retail and Main Town Centre Uses·Page 20·3.3.2
Sufficiently Wide Catchment Area Assessment
The catchment area must be wide enough to properly assess the influence of the proposed development on adjacent centres.
In addition to determining the catchments of the adjacent centres, the catchment area needs to be sufficiently wide enough to ensure that the influence of the proposal can be assessed.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/belfast/SPG009 Retail and Main Town Centre Uses.pdf