Your question might be better answered on the dedicated Merchant Navy forum officercadet.com. There you will find a wealth of information about all aspects of a cadetship including stuff specific to Fleetwood Nautical Campus.
That's private accommodation- cadets have to stay in halls in phase 1. The rooms are nowhere near as nice as those depicted on the link you've posted. Such a shame although it is curious how quickly you can become accustomed to pale green breeze blocks.