Wasn't sure what this was at first but think it might be this garden escape...
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It is a garden plant you can still see the dried flower heads on the photo,lovely grey green soft hairy leaves and pink purple flowers.
Key difference is in the wedge shaped leaves at base and densely white woolly. It is an occasional garden escape. Regards
Lat/Lng: 51.373, -2.3555
OS grid ref: ST753638