I've recently been annoyed by "UK sellers" that actually ship from China, but using Yodel's "last mile" logistics[1]. They'll give you the tracking code for the Yodel part of the journey, and it'll take a week longer than the originally advertised, but they'll swear they shipped from the UK.
[1] https://www.yodel.co.uk/yodel-services/yodel-uk-delivery/int...