https://www.sky.com/help/articles/streaming-sky-content-in-the-eu
" There are two reasons why you might not be able to watch Sky abroad:
You’ve been watching Sky in the EU but haven’t watched anything at home in the last 37 days
Watch something on your laptop, mobile, or tablet in the UK or ROI to confirm you’re still a permanent resident.
You’re outside of the EU
Check the countries list below to make sure you’re watching in a participating EU territory. If you want to watch Sky outside of the EU, you’ll need to download your favourite shows and movies to your laptop, mobile, or tablet before you leave the UK or ROI. "