Sustainable drainage systems
Sustainable drainage systems (SuDS) are designed to manage surface water as close to its source as possible, to mimic natural drainage and encourage its infiltration, attenuation and passive treatment.

Roles and responsibilities relating to SuDS
Planning policy and the National Planning Policy Framework sets out a number of key provisions relating to sustainable drainage systems (SuDS).

Retrofit SuDS
One of the greatest challenges for surface water management is the legacy of drainage networks that struggle to cope with the increase in surface water volumes due to increased urbanisation and climate change.