Aye, also live on Copleston Road and we had that last night, spoke to the neighbours, who also had no water, but hadn't actually done anything about it. We then rang up Thames Water, who said they'd started to get some reports in so they were going to investigate. Apparently, if just one person rings up reporting a problem, they ignore it, as they assume the problem is in your own house. The moral of this story, ring someone and start complaining if it happens again!