Sleeperz is a modern hotel just a short walk from the station and the Castle as well as a slightly longer walk to the quay area. We stayed for one nightly only but it was comfortable and had the basics on offer. We didn't eat at the hotel - we went to the nearby Pizza Express - but it looked clean in the restaurant area.
Younger members of the family had a bunk bed in their room. Free wifi is good but the Air-con made strange noises, 'clunked' and dripped. Not too many complaints overall though.