There's evidence that Thames Water's attempts to add 490 million pounds to its customers' water bills has badly backfired. The industry regulator, Ofwat, has refused permission for the rise - and we've learned that the firm could now face a "clawback" of money it has already taken.
There are many ways to try to keep your household bills down - but could what we flush down the loo also save you cash? A water treatment plant in Slough is hoping to do just that with the help of a new 2 million pound reactor. From there Martin Stew explains.