Where was Britannia Hospital filmed?

1982 film by Lindsay Anderson

Britannia Hospital (1982) was filmed in London Borough of Barnet, Shepperton Studios and Friern Hospital, 3 places named in its Wikipedia article's Shooting section, in the United Kingdom. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

Part of the Mick Travis trilogy

See them on the map → Wikipedia Source data

Places per Wikipedia's Shooting section

Wikipedia’s Shooting section names 3 places. Each links to the sentence that says so.