The Crown filmed at Somerleyton Hall (private residence), Lowestoft. This private hall, with gardens open seasonally, was used as a royal country retreat for the series. On screen it's Sandringham House.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer. This is a street or a long feature — the coordinate is a representative point on it, not a single spot.
Planning the trip? The United Kingdom travel atlas covers money, language and getting aroundand everything filmed in Lowestoft is on one page
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Lowestoft and it tells you what was shot around you, how to get there, and whether you can actually go in.
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