Migrants "will push house prices up by an extra 10%", Theresa May warns

Migrants 'will push house prices up by an extra 10%', Theresa May warns Home Secretary: ‘More than one third of all new housing demand caused by immigration' Said research house prices will be 13 per cent higher over next 20 years than if migration were at zero | UPDATED: 07:50 GMT, 13 December 2012 House prices will rise by more than 10 per cent unless mass immigration is controlled, Theresa May warned yesterday. The increases in the years to come would go beyond other pressures on the housing market – dealing a blow to young Britons already struggling to get on the property ladder. In a speech in London, the Home Secretary delivered a blunt analysis of the impact of Labour’s ‘open door’ immigration policy.