Green beetle with red-tipped elytra.
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I agree with moremoth that this is Malachius bipustulatus (a female) but please don't anybody assume that red-tipped elytra means a malachite beetle has to be bipustulatus: it only narrows it down to 4 species.
Lat/Lng: 51.36746, 0.02005
OS grid ref: TQ407650
In a patch of grassland next to a road amongst woods.