London Underground station. 1907. By Leslie Green. Maroon glazed faience. 2 storeys. 2 bays to Hampstead Road and 1 bay left return. Giant arches to each bay of pilasters supporting architraved heads with keystones. Upper parts of arches treated as glazed tympana and flanked by lugged architraved sashes. Entrance to right and lifts in left hand bay. C20 shop in return bay. White band at 1st floor level. Modillion cornice and blocking course above white faience frieze bearing words "Mornington Crescent Station" on both facades. Hampstead Road facade with original cast-iron lamp brackets and lamps to entrances.
INTERIOR: with some original features including panelled exterior lift doors, Art Nouveau decorative grilles above and indicators, lift interiors. Tiles restored and ticket-office window replaced.