Just 90,000 UK households will get vouchers to help shoulder the growing cost of removing their gas boilers as Ministers commit to banning the sale of conventional gas boilers from 2035. Boris Johnson is pressing ahead with Net Zero plans to stop the installation of gas boilers in the next 15 years, with families encouraged to install low-carbon heating systems from April with £5,000 grants set to cost taxpayers in England and Wales at least £450million in total. However, the funding will allow just 90,000 heat pump installations over three years – far short of the Prime Minister’s goal of 600,000 a year by 2028.Conservatives are already starting to ask whether…