During First Minister’s Questions on Tuesday, Mr Drakeford said: "If there is to be no link beyond Birmingham then the flimsy case for regarding this as an England and Wales development collapses completely.

"And at that point, the case for making sure of a consequential for Wales will be stronger still.

“Wales has already missed out on £270m as a result of HS2 misclassification in the current spending review period, that will only grow beyond that unless and until this misclassification is put right.”