A seller cannot delete their account if they have current transactions, but eBay can, if a seller cannot fulfill those transactions, and breaching selling rules, which seems to have happened here.
Contact eBay Customer Services, explain the issue they can initiate the steps for your refund.
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 recommend contacting CS first thing in the morning as there's more chance of Dublin answering.
@00keyser_soze00