This article compares in detail the Welsh and English SuDS Standards for Sustainable Drainage Systems. Note this review is based on information available in March 2026. SuDS (Sustainable Drainage Systems) are implemented to manage the surface water runoff from a site in a sustainable way that mimics the natural drainage processes. While both Wales and […]
As new housing estates are developed, large areas of land are converted into impermeable materials, including roads, roofs and driveways. With the growing population in the UK, the demand for housing increases, contributing to greater urbanisation. The proportion of impermeable surfaces present in urban areas has increased from 37% in 2001 to 46% in 2022 […]
The new SuDS standards in England were published by the Department for Environment Food & Rural Affairs (DEFRA) on the 19th of June 2025. They are a welcome step in improving the management of surface water drainage and the pollution from water run-off in England. These non-statutory standards for Sustainable Drainage Systems (SuDS) are for […]
