Where was Lord Edgware Dies filmed?

1934 film by Henry Edwards

Lord Edgware Dies (1934) was filmed in Twickenham and Twickenham Film Studios, 2 places named in its Wikipedia article, 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.

See them on the map → Wikipedia Source data

Places per Wikipedia's article

The Wikipedia article names 2 places. Each links to the sentence that says so.