Love Actually filmed at Selfridges, City of Westminster. The jewellery counter where Rowan Atkinson wraps the necklace with maddening care. On screen it's The department store.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
Planning the trip? The United Kingdom travel atlas covers money, language and getting aroundand everything filmed in City of Westminster is on one page

Photography of the place as it is now — production stills from the publications that covered the shoot, and freely-licensed photographs. Each links to its source.
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in City of Westminster and it tells you what was shot around you, how to get there, and whether you can actually go in.
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