"the mother black cap" pub in the film was in reality "the frog and firkin" pub in tavistock crescent, westbourne green. for some time after the film, it was officially called "the mother black cap". it has since been demolished. withnail and marwood's flat was located at 57 chepstow place in bayswater (w2). the shot of them leaving for penrith as they turn left from the building being demolished was shot on freston road, w11. the cafe where marwood has breakfast at the beginning of the film is located at the corner of ladbroke grove and lancaster road. the scene where withnail and marwood are ordered to "get in the back of the van" was filmed on the flyover near john aird court, paddington. the final scene was shot in regent's park. uncle monty's house is actually the west house, glebe place, chelsea, sw3.