Where was Black Coffee filmed?

1931 British detective film by Leslie S. Hiscott

Black Coffee (1931) was filmed in Twickenham, 1 place named in its Romanian Wikipedia’s 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.

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Places per Romanian Wikipedia's article

Romanian Wikipedia’s article names 1 place. Each links to the sentence that says so.