Water companies serving the South-east have seen a drop in written customer complaints, according to a report by a consumer watchdog.
South East Water saw the largest reduction in complaints in England and Wales (down 38.2 per cent in 2015/16) while Thames Water also recorded a 22.9 per cent drop.
The report, by the Consumer Council for Water, found the overall number of written complaints to the industry fell for the eighth successive year.
But the watchdog has told poorer performing water companies to improve their services after 10 of the 21 firms in England and Wales saw an increase in complaints.
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