The lawyers acting for the 170 women who brought the original case against Birmingham City Council say this marks "an historic decision".
"This is a great day for equality and for all those women massively underpaid over many years within public and private organisations.
"Birmingham Council should now do the decent thing and settle the claims. They saved money by underpaying ex-workers for so many years, and so should now stop wasting taxpayers’ money fighting court cases they cannot win."
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Into the evening it will remain dry with the best of the clear spells in the west.
Some evening sunshine, although low cloud will spread from the coast into many areas early in the night.
Mr Parnell, from Sileby in Leicestershire, was celebrating his first wedding anniversary.