To serve the Royal Agricultural Society's 1879 show at Kilburn, a single line to West Hampstead opened on 30 June 1879 with a temporary platform at Finchley Road.
For at betjene Royal Agricultural Societys opvisning i 1879 ved Kilburn blev en enkeltsporet bane til West Hampstead åbnet 30. juni 1879 med en midlertidig perron ved Finchley Road.