Seven million pound increase since April
Tynwald members will be briefed on why there has been a £7 million increase in the capital cost of the proposed Liverpool landing stage.
In April the cost of the new facility - half a mile from the historic Pier Head site - was given as £31.3 million.
However, Tynwald will be told next week that the capital cost is now just over £38 million.
No explanation has been given as yet as to the reason for the rise.
Options for Tramway Terrace expected in the next eight weeks
AI workshop findings to shape forthcoming national strategy
Island residents urged to report possible Asian hornet sightings