Be careful of 0345 numbers they could find you with a big charge especially if they're asking you for personal details... date of birth??    Wasting time. 🙄

No details necessary  to give CS, here,  as this is the easiest and quickest way to contact eBay Customer Services, for a Call Back option.

https://www.ebay.co.uk/help/eua?id=5275&mkevt=1&mkpid

Lines open 8 a.m. - 10 p.m. on weekdays

9 a.m. - 6 p.m. on weekends.

Automated agents will be available on chat outside of the above hours.

I do recommend contacting CS very first thing in the morning, when the lines first open, as there's more chance of Dublin answering.