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Thank you.I have realised very soon that it is not Rowan when I looked at other pictures, especially leaves.It is most likely Cotoneaster frigidus, as leaves are not dark green as in Cotoneaster cornubia.
Easy to recognise the genus, much harder to get to grips with the numerous species and cultivars!
David J Trevan
Lat/Lng: 51.2, -0.8
OS grid ref: SU8655