Cryddan Brook, Melyn

Current flood risks

Flooding to residential and commercial properties in Melyn, Neath from the Cryddan Brook.
The intake structure at St Catherine’s Close often overtops. This results in flooding to the A474 road between Neath and Briton Ferry.
The main line railway behind Neath Castle Bingo is at constant risk of getting flooded. The culvert underneath the rail-line needs improving, to handle flooding up to and including the 1% Annual Exceedance Probability (AEP).

Full Business Case (FBC) and design works are likely to start spring 2025 until spring 2027.

Duration is likely to be twenty four (24) months.

Completion of the Outline Business Case (OBC) stage.

Submission to Welsh Government has also been approved.

Reduce the risk of surface water flooding for 430 properties in Melyn, Neath.
Provide improved flood resilience for the businesses located in Milland Road industrial estate. This will be up to and including the 1% AEP.
Limit damage and disruption to the A474 Briton Ferry Road, which is a critical highway.
Structural protection to the Network Rail Line.

Increased construction traffic along the A474 Briton Ferry Road and surrounding areas.
Temporary road closures along the A474 Briton Ferry Road and surrounding areas.

The current investment value of this scheme is in the region of £14.6m.

If you have any queries on the scheme please contact:

Drainage Project Manager

Richard Colman

environment@npt.gov.uk