Strategic Plan Preliminary Publicity 2025

Closes 27 Oct 2025

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Paper 5a: Flood Matters and Sustainable Urban Drainage Systems (SuDS)

The following questions relate to documents relating to flood policy, flood risk and sustainable drainage systems. For further information please see:

Cabinet Office is sharing early drafts of some of the policies ahead of the Draft Plan to allow more time to comment.

Please note, for consultation questions on matters relating to the Island’s response to climate change please see Paper 5 of this consultation.

Please note:

  • (a) Comments received from questions 1 to 7 will be shared with DOI Flood Management Team anonymously
     
  • (b) Planning Policy Statements do not form part of the Strategic Plan but sit alongside it. All PPSs are laid before Tynwald via a separate legislative process to the development Plan procedure

Please refer to the below document for supporting background information.

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1. Do you have any comments on Draft Flood Policy 1 concerning managing the risk of new development, as set out on page 44 of paper 5?
2. Do you have any comments on Draft Flood Policy 2 regarding flood defences, as set out on page 47 of paper 5?
3. Do you have any comments on Draft Flood Policy 3 regarding flood risk assessments, as set out on page 48 of paper 5?
4. Do you have any comments on Draft Flood Policy 4 in relation to drainage, as set out on page 50 of paper 5?
5. Do you have any comments on the Draft Sustainable Drainage Systems Planning Policy Statement (PPS)? This PPS sets out the requirements for Sustainable Drainage Systems on development sites and the manner in which surface water will be dealt with during the planning application process.
6. Do you have any comments on Draft Flood Planning and Flood Risk Assessment PPS? This PPS provides guidance on implementing Strategic Plan policies related to development and flood risk. It explains how to apply these policies when assessing a planning application and offers additional information to support applicants during the submission process.
7. Do you have any comments on the DOI’s Manual for Manx SuDS? This document sets out the expectations for SuDS design on the Island, and how to meet the design standards as set out in the SuDS PPS.