As long as it is out of UK you are good.
Not long ago I sent a LR injection pump to the UK. Somehow, the USPS routed it to China first. Impressively, someone in China was kind enough to get it back on its correct path. It languished in China for a couple weeks before that happened. I thought it was gone and was in the process of trying to make an insurance claim (which was a circus of non-existent / automated / human being less poor customer service) when I checked tracking (UK tracking, not USPS) and saw it had left China. About a week after it was delivered I received an automated reply to my insurance inquiry stating it had been delivered.
For many years I received great service from the postal service at reasonable prices. For some reason it tanked in 2020 and has steadily gotten worse and more expensive. I’d blame Covid but that doesn’t explain issues that really have no relationship. I’d blame the government but my understanding all the elected folks do is appoint the post master general which I believe happened during the previous ”administration.”
I wish I had taken a photo of the last package I received from them. It looked like it fell out of an airplane and got run over by a monster truck. I had to pick it up at the post office(10 mile trip each way) because they wouldn’t deliver it damaged. Fortunately, the stuff in the box wasn’t the least bit fragile and amazingly didn’t fall out of the box. i don’t know who is running the postal service but charging more for less with poor service while making your employees miserable doesn’t seem like a great business plan. On a related note, I sent 120 pound package via UPS last month. I usually use FedEx but because the quote was so high I checked UPS. The quote, about $240, was just about the same for both but UPS was offering a 20% online discount so I sent it through them. Also related, I recently learned of a website, Pirateship.com, that gives you quotes that use UPS but give a significant discount. I’m going to give that a try for a grill I recently sold.