The Diplomat filmed at Ingatestone Hall, Ingatestone. Essex hall whose entrance and gate served as the family manor of the new prime minister's husband. On screen it's Prime minister's husband's family manor.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
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Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Ingatestone and it tells you what was shot around you, how to get there, and whether you can actually go in.
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