Waterloo International station was the London terminus of the Eurostar international rail service from its opening on 14 November 1994 until 13 November 2007. It stands on the western side of Waterloo railway station, London. It was managed and branded separately from the mainline station.
More information on the Wikipedia page [1].
Article on the redevelopment of the platforms here here and [2]. Article on the station's deconstruction here. Building Library page here and there is various other coverage.