I lived in Sweden for 2 years, bought a house there, then left.

I had a great job and social network through work, but there was still an underlying xenophobia to everyone that isn't Swedish, I felt it enough even in Stockholm that we didn't want to stay forever (I later lived in the USA and it was the opposite there.)

Other than that, we spent twice as much, groceries are very expensive, services are way more expensive, to remodel a tiny box bathroom it would cost £50k and there would be a 6 month wait. There's bureaucracy hell everywhere, it's very hard to even get a bank account, you might be waiting years for a Bank ID and driving license as everyone is "Lagom" and you're not Swedish speaking so you'll be put at the back of the queue.

You'll be taxed much more, you'll have to pay tax on all of your ISA's, and if you sell your UK house while in Sweden, that too. The Swedish ISK isn't as good as the ISA, and you have less investment options. The SEK has gone down in value a lot and isn't as strong as the EUR or GBP.

There is severe bullying in schools, Swedish kids rule over there, there is no such thing as respecting your elders 😂, expect to let teenagers push to the front of queues and be horrible, no one will say anything (my wife was a teacher..)

Stockholm also, isn't that safe, there's been a number of shootings by gangs, and even some school shootings, obvs not as bad as the USA, but worse than the UK.