<P> Former Chancellor, Nigel Lawson, has called for the scheme to be restricted, and says the scheme shouldn't be available in London's overheated property market . </P> <P> In Scotland, figures released by freedom of information showed that more than half of the homes purchased with Help to Buy were built by three volume housebuilders, prompting calls from MSPs and housing charities to scrap the' dysfunctional' scheme . </P> <P> The Scheme has also earned the nickname "Help to Sell Scheme", as the increasing demand seems to benefit existing homeowners, and property developers, rather than the buyer . </P> <P> In 2013, UK house prices started to take off, with some saying laying the blame at the door of Help to Buy . At the end of November that year, as Mark Carney announced that mortgages and other consumer loans would not be eligible for his Funding for Lending Scheme from the start of 2014, Nouriel Roubini warned of a housing bubble in London . </P>

When were shared ownership schemes developed in the uk