Not sure how to tell Lesser from Greater
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I'd go for Greater. The legs do look pinkish, the back looks very dark, the body a bit bulky, and the outermost primary tip looks completely white (there's usually some black close to the tip in adult Lesser).
One minor point against Greater is that the trailing edge to the wing should perhaps show a bit more white along the primaries.
Lat/Lng: 50.7906, -0.0098
OS grid ref: TQ403008