A £40 million funding package from the Welsh Government has been allocated for the refurbishment of the Holyhead Breakwater and help safeguard Holyhead Port's long-term future.

The 2.4km long Victorian breakwater provides essential protection to Holyhead Port. Without it, the wave conditions would be too severe for the operation of ferries and could result in the loss of service and ultimately the closure of the Port. The breakwater also protects several businesses and premises from flooding.

The masonry breakwater, built approximately 150 years ago, is founded on a rubble mound built on the seabed. Since its construction it has gradually been eroded by the Irish Sea. The stability of the breakwater is now under threat, with an increasing probability of a breach in the structure occurring during storm conditions.


Holyhead is the busiest UK port for accompanied roll-on/roll-off freight traffic for Irish Sea ports. It is a critical link between the UK, the Republic of Ireland and the EU, and a key employer on Anglesey, supporting around 700 local jobs.

The £40m package, made up of a £20m loan and a £20m grant, will go towards the estimated £110m cost of refurbishing the Breakwater.

First Minister Mark Drakeford said: "Holyhead Port is an important asset to North Wales. This £40m investment in the breakwater will help ensure the port’s future and protect jobs.

"The port is of vital strategic importance. It plays a crucial role in the delivery of economic prosperity for the region and is also a key part of our transport infrastructure.

"The announcement is a positive development for Ynys Mon and demonstrates the Welsh Government's firm commitment to the island."