Bloomsbury, WC1 (near Tottenham Court Road, Russell Square and Holborn)Highgate N6 (near Kentish Town, Tufnell Park, Hampstead and Archway) Muswell Hill (near Crouch End, East Finchley, Hampstead Garden Suburb and Bounds Green)Crouch End (close to Muswell Hill, Archway and Finsbury Park)