 The benefit cap was announced in the October 2010 Spending Review by the Coalition Government and was contained in the Welfare Reform Act 2012 and the Benefit Cap (Housing Benefit) Regulations 2012.It started being introduced in April 2013 and was fully implemented by September 2013.By 2014 a total of 36,471 households were having their payments reduced by the benefit cap, of which 17,102 were in London.