I came accross this image this evening on inaturalist and realised it was the same as your beautiful spider…i think it is Steatoda paykulliana …The Mediterranean False Widow. …a cobweb spider like bugmandan said….. It doesnt have medically significant venom https://uk.inaturalist.org/taxa/343356-Steatoda-paykulliana
A smaller cobweb spider. Looks like Steatoda triangulosa. Triangulate cobweb spider.
They are no threat at all.
Species Steatoda triangulosa – BugGuide.Net
I came accross this image this evening on inaturalist and realised it was the same as your beautiful spider…i think it is Steatoda paykulliana …The Mediterranean False Widow. …a cobweb spider like bugmandan said….. It doesnt have medically significant venom
https://uk.inaturalist.org/taxa/343356-Steatoda-paykulliana