I thought of that Syd, but the ones that they had at the time had a very raised pattern on them, and I was worried that they might not stick correctly and come adrift in the future. The good news is that me and the missus went back to B&Q today (for emulsion

) and found that they must have restocked. I bought one pack of 500mm x 500mm tiles with a subdued pattern which will stick perfectly. Things are back on track! (pardon the pun!)
Any ideas on a name for your own empire yet?