London's long-awaited Night Tube service has moved a step closer after union members accepted a pay deal.

The service was initially due to be extended in September but was delayed after drivers rejected new working conditions.

But Rail, Maritime and Transport Union (RMT) members have now accepted a deal that will allow plans to be implemented.

Passengers will be able to travel on Friday nights and in the early hours of Saturday and Sunday mornings (TFL)

The Night Tube will see trains on the Jubilee, Victoria, Central, Northern and Piccadilly lines run all night on Fridays and Saturdays.

The RMT executive announced its backing for the deal last month and its 10,000 members started voting on 11 February.

It included a 2 per cent pay rise in year one, RPI inflation or 1 per cent (whichever is greater) in years two and three, and RPI plus 0.25 per cent or 1 per cent in year four, plus a £500 bonus for staff on lines where the night Tube will run.

RMT said there was an 84 per cent vote in favour of the package after mediation talks brought an end to a series of proposed strikes.

Gallery: 150 years of London underground Show all 27 1 /27 Gallery: 150 years of London underground Gallery: 150 years of London underground tube8.jpg Passengers on the London Underground in 1955 PA Gallery: 150 years of London underground Untitled-1.jpg The London Tube is celebrating its 150th anniversary Getty Images Gallery: 150 years of London underground tube18.jpg World War II, 25th, September, 1940, Members of the public huddle together in a London underground station Getty Images Gallery: 150 years of London underground tube17.jpg Queen Elizabeth II travels on a tube train after the official opening ceremony of London Underground's Victoria Line in 1969 Getty Images Gallery: 150 years of London underground tube5.jpg A London Transport official showing the Prince of Wales the controls in the driver's car of a Jubilee Line train in 1979 PA Gallery: 150 years of London underground tube12.jpg Emergency services at Chancery Lane Underground Station in London after a tube train derailed in 2003 PA Gallery: 150 years of London underground tube1.jpg In this file picture taken on September 4, 2007 passengers jostle to enter the Underground station at Waterloo Station in central London, as commuters battled with severe transport disruption to get to work as unions staged a second day of strikes on the capital's underground system AFP Gallery: 150 years of London underground tube14.jpg Mayor of London Boris Johnson at the opening of the ticket hall at King's Cross St Pancras Station PA Gallery: 150 years of London underground tube3.jpg Londoners take shelter in the London Underground during the Blitz PA Gallery: 150 years of London underground tube4.jpg David Cameron travelling by tube on the Underground to the O2 Arena in London PA Gallery: 150 years of London underground tube9.jpg Lord Ashfield handing over the silver key to Col. Moore Brabazon during the opening of the Northern line, London in 1926 PA Gallery: 150 years of London underground tube13.jpg Two 'buskers' entertain travellers by playing musical instruments on the London Underground in central London AFP Gallery: 150 years of London underground tube2.jpg London resident Jean Farrow, 36, one of the first directly recruited female drivers sitting at the front of a tube train at Hammersmith station PA Gallery: 150 years of London underground tube7.jpg An underground train heads into Central London on the Piccadilly Line on day of winter AFP Gallery: 150 years of London underground tube11.jpg Torchbearer and London Underground employee John Light carrying the Olympic Flame onto an underground train at Wimbledon Station, London PA Gallery: 150 years of London underground tube10.jpg The fire-damaged escalators at King's Cross underground station in London in 1987 PA Gallery: 150 years of London underground tube19.jpg London Underground workers building the Piccadilly Line extension at Turnpike Lane in 1930 Getty Images Gallery: 150 years of London underground 141007280.jpg Marble Arch Tube Station Getty Images Gallery: 150 years of London underground 141007351.jpg A commuter at Westminster Getty Images Gallery: 150 years of London underground 141007639.jpg Victorian tile signs have been updated with more modern ones in some stations Getty Images Gallery: 150 years of London underground 143711297.jpg London Mayor Boris Johnson travelling on the Tube Getty Images Gallery: 150 years of London underground 149562350.jpg Bank station during the London 2012 Olympics GettyImages Gallery: 150 years of London underground 155708342.jpg Oyster cards were introduced on the Tube in 2003 Getty Images Gallery: 150 years of London underground 155708347.jpg The entrance to Westminster Underground with Big Ben in the background Getty Images Gallery: 150 years of London underground 158719828 (1).jpg Shoppers keen to catch the Boxing Day sale queue outside Bond Street for the Tube station to open early AM Getty Images Gallery: 150 years of London underground 140839627.jpg The Tube's famously dirt-covering patterned seat fabric Getty Images Gallery: 150 years of London underground 140839693.jpg A woman at Oxford Circus station Getty Images

“I want to pay tribute to RMT's members across London Underground who have stood rock solid throughout the long campaign of industrial pressure to secure a fair deal from the company over pay and night Tube operation," Mick Cash, the General Secretary, said.

“Those members have now voted to accept the most recent offer from the company - an offer that was only made after the hard work by union reps in the negotiations backed up by the loyalty, determination and militancy of the workforce right across the Tube network.”

Boris Johnson, the Mayor of London and Conservative MP, has previously championed the plans despite criticism over failure to deliver the promised start date in September.

Business groups have been enthusiastic about the impact on the capital’s night-time economy following estimates that 2,000 permanent jobs could be provided and an extra £360 million generated for the economy.

The Night Tube is expected to give a huge cash boost to London's leisure economy (Getty Images)

Members of the drivers' union Aslef are currently voting on the offer and will announce their verdict on Monday, while TSSA and Unite have not yet put the offer to their members.

A spokesperson for TfL told The Independent that no starting date could yet be announced but recruitment and training for 200 new part time drivers was underway.

Steve Griffiths, London Underground’s Chief Operating Officer, said: “I’m pleased that RMT members have voted to accept our offer.

“This is a fair and affordable pay deal, which includes complete protection of employee work/life balance.

“We are seeking agreement with the other unions and continue to focus on the recruitment and training of part-time drivers to deliver the Night Tube for London as quickly as possible.”