Hi. This isnt so daft. I know a few students who have found boat life works for them. When you are young and love the waterways. Hassle around toilets, water, waste, mainenance, etc. can be manageable. Just allow for it vs. the cost of usual, (read boring), student accomodation.
if you are serious, I know of a circa 25k boat with BSS, good hull recently blacked and decent electrics that might suit. Please PM me for more information.
Cheers, Jak.