The forecast came as separate research claimed voters were “anxious” about the state of the country – led by fury over the housing crisis.

Statue commemorating life of suffragist, Millicent Fawcett, unveiled in Parliament Square by Theresa May

Deborah Mattinson at Britain Thinks added that young 18-30 voters were “more gloomy than older voters” and felt a “strong sense of injustice”.

She said: “Seven out of ten no longer think it pays to work hard.”