Just six in every 10 workers in Harrow West are being paid at least the local Living Wage - the third worst figure in the entire country.

Statistics show 42.2 percent of employees in the constituency earn less than the £8.80-an-hour threshold of the London Living Wage, a sum campaigners including the Mayor of London Boris Johnson encourage employers to voluntarily pay staff in the capital in a bid to reflect the city’s higher living costs such as transport, transport and childcare.

The wage is an hourly rate of pay, calculated according to a combination of the costs of living and 60 per cent of the median wage, with the Living Wage amount outside of London £7.65.

Harrow West constituency is the second worst area for pay in all of London and the third worst in Britain.

Labour's MP for Harrow West, Gareth Thomas, said: “These figures are a shocking and powerful demonstration that the cost of living crisis is a reality for far too many people in Harrow.

“Until the government are willing to address this pay crisis and recognise the need to help employers to create better paid jobs, too many Harrow residents will continue to struggle to make ends meet.”

House of Commons Library, which released the details, said figures for Harrow East – Conservative MP Bob Blackman's constituency – are too unreliable a sample for publication.

In Ruislip, Northwood and Pinner, the constituency of Nick Hurd, Parliamentary Under-Secretary of State for Charities, Social Enterprise and Volunteering, only 22.6 per cent of employees had an hourly pay less than London Living Wage.

TUC general secretary Frances O’Grady said: “Extending the living wage is a vital way of tackling the growing problem of in-work poverty across Britain.

“We need to see a far greater commitment to pay the living wage from government and employers, and modern wages councils which could set higher minimum rates in industries where employers can afford to pay their staff more.”

The London constituency with the highest percentage of workers earning less than London Living Wage is that of the Conservative MP for work and pensions Ian Duncan Smith, Chingfood and Woodford Green.

At 43.4 per cent, it is second worst in the UK.