Davey is expected to make a decision on whether the project can go ahead in November, after which there will be a six-week period in which the verdict can be challenged.

Dong says if it is granted development consent, it will look to make a final investment decision on the project next year.

The Walney Extension is located around 19km from the English coast to the west and northwest of Dong’s existing Walney 1 and 2 wind farms.

The