Belfast·LDP Plan Strategy 2035 (adopted 2023)·Page 243·ENV5
ENV5 – Sustainable Drainage Systems (SuDS) Requirements
All built development must include appropriate SuDS measures to manage surface water on site, reduce runoff, and prevent increased flooding elsewhere, using a two-stage treatment where possible and requiring maintenance planning and council agreement.
All built development should include, where appropriate, SuDS measures to manage surface water effectively on site, to reduce surface water runoff and to ensure flooding is not increased elsewhere. A two stage SuDS treatment should be used, where possible, in order to improve water quality. An appropriate maintenance and management plan for all SuDS will require to be agreed with the council and a s76 planning agreement may also be sought.
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/belfast/LDP Plan Strategy 2035 (adopted 2023).pdf