Transferring universities - not sure how to do it or what to do

So I'm currently a social housing tenant whose under occupying a three bedroom house. I've just checked my emails (I know, I need to check my emails more regularly) and I received an email from my housing officer.

I originally contacted my housing officer to explain, I got a three bedroom house, I'm under occupying and I want to downsize to a one bedroom property as I don't want to take a house that another family could use, I also explained to him I'm going to university in September.

He emailed back to me ages ago that I can keep the house because I have a medical condition if I didn't I would have had to give it up and go into student accommodation. Many months later, he emailed me last Friday.

My housing officer has found a one bedroom flat in central London that I can downsize too, the rent is the exact same price I'm paying for this house. He knows I've got a place at university, he told me they can wait for a whole year, so I would be moving this time next year.

The issue is as I have a current place at university, it would be a nearly 3 hour public transport journey to get from my place to uni and back each way as I don't drive.

I'm considering transferring universities next year as there's many universities within half an hour of that flat that I could pick. What's an added bonus is the degree I picked is the career I want to go into but there's barely any jobs in my field, by moving to this flat in London, I will be able to apply for loads of job in my field once I graduate as it's within a 20 to 30 minute commuting distance.

How would I go about transferring universities?