In the same boat as you.
Ordered a custom MBP 16 on 17th December, Apple estimated it would arrive 6/7th January. Sailed through China and Korea fine so then delivery date was updated to 30th December, 12-15pm. It didn’t arrive so they updated it to 31st but it’s been stuck in Germany since then.
Anxiously waiting now! New delivery date is 4th January but I got an update at 6am today saying it was still delayed due to Eurotunnel traffic so I don’t know if it will make it for that time. Yet to receive any indication of when it’ll arrive in the UK
Keeping fingers crossed for myself and everybody!
Also, how has everyone been contacting Apple? I’ve tried their main U.K. number and couldn’t get through at all, sounds like it’s disconnected. I saw people on Twitter were experiencing the same thing.