North End (commonly referred to as Bull and Bush) was a proposed but never completed London Underground station, on the Northern Line, between Golders Green and Hampstead, near the site of the Bull and Bush public house (hence the nickname).
North End (commonly referred to as Bull and Bush) is a never completed underground station, on the Charing Cross, Euston & Hampstead Railway (CCE&HR, now part of the London Underground's Northern Line). The station site at the corner of North End and Wildwood Terrace is near the Bull and Bush public house (hence the nickname).