I moved from Australia to London. Overall I would say I had a bad time. But I learned a lot about myself.
Visa - I was fortunate to have a parent who was born in England. Nevertheless to take advantage of this fact I had to secure the paperwork to prove their citizenship, and also as part of my application I had to travel to the closest capital city and make my application in person at the UK consulate General. I had to bring bank statements proving I had a certain amount of money in my account and had to surrender my Australian passport to be sent overseas for processing in addition to paying the application fees. With no guarantee of success.
Travel - I had to decide whether to sell off all my possessions or put them in storage and pay the fees. Ended up going 50/50 and giving away a lot of things to friends and family. Travelled to the UK with luggage just slightly over the weight limit which meant some additional fees but that was okay.
Money - So I had to prove I had a certain amount of savings for my application. Now I had to figure out how to access that money in the UK without losing it all to international fees. A lot of banks need a written reference and proof of a permanent address before you can open an account. You need an account before you can get paid and you need to be paid before you can pay rent. This is tricky to organise. Luckily there are companies you can pay to set this up for you. You may need to pay quite a bit of international transfer fees to get started. Do it that way to avoid the stress and run around. Then use a service like Transfer wise to move money back and forth between you UK and overseas accounts as the fees are much lower.
Tax - You will still need to pay income tax in your home country even though you’re paying tax in the UK. This caught me out and I ended up owing a lot.
Rent - Housing and rent is a huge issue in the UK. Share housing is the norm even for high middle class earners. Punk houses do exist in some places but you need local connections to make them happen.
Connections - Making personal connections is very difficult especially when you’re busy sorting out everything else. Going to a few meetings, finding groups near where you live is a way to start but be ready to not understand a lot of the local issues or dynamics.
We do have that here. All our food comes from one of only three grocery brands. Two of which make up 90% of the market. There was a government commission into the cost of groceries but nothing has really been happened other than one CEO quitting under public pressure. But then again eggs are only $AUD 5.19/dozen so maybe it worked more than we realised.