WSP UK Limited acts as the station design contractor for Old Oak Common and Birmingham Curzon Street stations, which were awarded in February 2018. WSP has been paid £20,362,000 for design work related to Old Oak Common and £13,266,710 for design work related to Birmingham Curzon Street. WSP UK Ltd also performs a number of other advisory and engineering support functions for HS2 Ltd, including developing the RIBA2 design for Euston where it was paid £11,102,531.
Wikinson Eyre Architects Limited supports HS2 Ltd’s station designers for Old Oak Common (WSP UK Limited) and Birmingham Interchange (Ove Arup & Partners International Limited). Wilkinson Eyre are paid as a sub-contractor to the station designers and not directly by HS2 Ltd meaning that no information is held on the amount paid for design work.