The CLR and BSWR had separate surface buildings and lift shafts. The station buildings, which remain today as exits from the station, were built on very confined plots on either side of Argyll Street on the south side of Oxford Street, just east of the circus itself. The stations as originally built were entirely separate, but connecting passages were soon provided at platform level. The surviving Central London Railway building to the east of Argyll Street is the best surviving example of stations designed by Harry Bell Measures, and the Bakerloo line building to the west is a classic Leslie Green structure. Both are Grade II listed since 20 July 2011.