 A vote on the Trident renewal programme was held in the House of Commons on 18 July 2016, and determined that the UK should proceed with construction of the next generation of submarines.The motion passed with a significant majority of 472 MPs voting in favour and 117 against.The MoD put the cost of building, testing and commissioning the replacement vessels at £31 billion (plus a contingency fund of £10 billion) over 35 years, or about 0.2 per cent of government spending, or 6 per cent of defence spending, every year.