Why would he want to buy? He comes from a more continental culture which prefers to rent rather than buy.
As for the "miserable" comment, you could say that about any Northern European City, not just the UK so that would exclude the UK, Ireland, Northern France & the low countries, Scandinavia and Germany.
If he is coming to Northern Europe with a decent job, he'll be fine. Cities are only miserable if you have nothing to do and no money coming in.
EDIT: Cities like Bristol & Exeter are nice depending on the area. Also, you have that whole West Country/South coast vibe which just oozes coolness and modernity. To celebrate Easter, you could go down to Cornwall or South Wales for surfing and whatnot. And London is only a couple of hours by train. [/b]