A man has endured a seven-month battle over an “unfair” water bill of more than £3,200 following an undetected leak outside his Airbnb rental home. Ian Shearer, from Canterbury, only discovered water was pouring out of a meter close to the property and into a drain as he went to check the reading following the jaw-dropping pay demand. The teacher’s direct debit to Business Stream – which supplies the house in Victoria Street, Whitstable \- had jumped from £50 to £1,800 after the utility company recorded an extraordinarily high usage. Mr Shearer tried to get in touch with the company to advise …