A couple of other contenders, viticella Mary Rose (dark greyish purple, double) and flammula Sweet Summer Love (dark violet red, small flowers, scented). The latter seems to flower longer and later, but those Mary Rose double flowers are very attractive!
"What is hateful to you, do not do to your neighbour".
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I've got three coming at the end of the month...
I live in west central Scotland - not where that photo is...