We further recommend that the Department for Levelling Up, Housing and Communities update its planning practice guidance on sustainable drainage to ensure that sustainable drainage schemes are considered in all developments, including improvements under permitted development rights, and that it takes steps to address existing loopholes concerning the cost and practicality of such schemes.

We further recommend that the Department for Levelling Up, Housing and Communities update its planning practice guidance on sustainable drainage to ensure that sustainable drainage schemes are considered in all developments, including improvements under permitted development rights, and that it takes steps to address existing loopholes concerning the cost and practicality of such schemes. Type: recommendation | Number: 63 | Paragraph: 312 | Response status: not_addressed Government response: The National Planning Policy Framework (NPPF) already makes clear that major developments should incorporate sustainable drainage systems, unless there is clear evidence that this would be inappropriate. The NPPF further specifies that development should only be allowed in areas at risk of flooding