In a great article at the New Statesman, Gavin Kelly profiles the decline of working class conditions after its meteoric rise in the post war world.
Money quote:

Clearly, we do know what happened to headline economic growth over the last forty years, and that this resulted in an unparalleled rising tide of living standards, such that the average British household is twice as prosperous compared to 40 years ago. But we haven’t, until now, been able to break down the sources of this rising tide of prosperity at the level of individual households, and tease out how they have changed over time — for instance, between higher wages (for men and women), more people working, more hours worked, and more generous benefits and tax credits.