Households in parts of Wiltshire could see water bills rise by more than 10 per cent above the cost of inflation - but elsewhere in the region they could drop by around six per cent. Thames Water wants to make the increase to pay for a new sewer in London.
By contrast Wessex Water says its bills will fall in real terms from an average of £479 a year now to £454 by 2020.
Thames, which pays no corporation tax, last week announced half-year pre-tax profits were up by nearly a fifth to £134.2 million, helped by an above-inflation tariff hike. It is already at loggerheads with the regulator over customer charges.
Thames serves 14 million customers in and around London. It said its current typical £358 bill is £50 below the average for England and Wales but would increase to £398, plus inflation, for 2020.
Last month it was slapped down by Ofwat over plans for a one-off £29 bill hike for next year, because of unforeseen costs including customers failing to pay their bills, as well as the Thames super sewer.
More top news
In his quest to be one of the country’s top managers, Bristol City’s new bos spent time with the NHS and the army to mould his philosophy
Bristol Airport says abolishing air passenger duty in Wales would result in passengers and airlines flying from Cardiff instead.
In Bristol a flower market is preparing for Valentine's Day. Nearly 90,000 red roses are delivered to the depot before being distributed.