There is now a team of 100 people at the DWP who are now looking into the issue further, as well as claims.
Sir Steve Webb, former pensions minister and partner at LCP, recently encouraged women to be proactive about the matter and make a claim if they believe they could be entitled to back payments.
Back in 2020, the permanent secretary at the DWP, Peter Schofield, provided evidence to the Work and Pensions Select Committee on the matter.
He said: “I can tell you we have received almost 11,000 cases.
“We have reviewed 7,200 of them, and 5,300 of them turned out to be correct.