Liam and Heather's place is great! Amazing location, beautifully organized, good price... they are very careful in providing some nice tips for places nearby (bars, restaurants, etc), I found it very useful.
The whole apartment is nice and cozy, and even the tiny shower doesn't bother (I think I've never seen a smaller shower place in my whole life :p ). They have a fast wifi, a kitchen with everything necessary (although I didn't used it) and a bedroom with two fans (necessary in the summer).
I didn't met Liam, but Heather was there to greet me and she is a lovely, smiling person.
Totally recommend their place (one just must be aware that it is a five-floor walk up through stairs)