is london south bank university a good choice?

No, on every ranking list it's ranked near the bottom for everything. Don't waste your time and money.

If you're hoping to study in London there's far better choices if you can get accepted.

The best London universities are most of the ones that come under the University of London - mainly University College London, Imperial College London, King's College London, London School of Economics. There's also City University London and Queen Mary University which are good.

A sandwich year is when your degree takes four years instead of three years, as you spend your third year on a paid placement or internship in an industry related to your degree, usually they're an optional part of a science or engineering degree. If you can get a sandwich year, go for it.

http://www.thecompleteuniversityguide.co.uk/league... This university is 4th from the bottom of the university league tables UK. It is the kind of university that people from the UK do not want to go to.