Venom: Let There Be Carnage filmed at Goodwood House, Chichester. Shriek is held at the Ravencroft Institute, filmed at this stately home in West Sussex. On screen it's Ravencroft Institute.
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 Chichester and it tells you what was shot around you, how to get there, and whether you can actually go in.
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