There are a set of criteria you need to meet to receive an unconditional offer - a prerequisite for obtaining a Studnet visa.
If you receive a conditional offer from the University, you'll need to accept it before going further with the applications process. You will need to meet certain conditions in order to convert this to an unconditional offer. To obtain a Student visa, you need an unconditional offer.
When you receive the offer it will include details of all the conditions you need to meet in order to study at the University of Sunderland in London. Typically, conditions may be:
You will be asked to make your conditional offer a firm offer before continuing. This means that the University of Sunderland in London is definitely the university you intend to study with.