There are several providers offering something in-between, like spending £5 of pre-pay credit for some data and minutes that lasts 30 days. I use one when I'm

There are several providers offering something in-between, like spending £5 of pre-pay credit for some data and minutes that lasts 30 days. I use one when I'm working in/visiting England, as it's usually just a month at a time. Example: https://www.lycamobile.co.uk/en/sim-only-deals/ https://www.lycamobile.co.uk/en/sim-only-deals/