I think the more we see, the bigger it looks
It's an incredibly unflattering angle that most of the pics are taken from (through no fault of the photographers, obviously!), which squashes the space and also has the retaining wall covering some of the floor. There are quite a few pics on the latest update that give a better impression.
Picture number 52 looks pretty spacious http://greensonscreen.co.uk/photos.asp? ... 19-01-13H1