New measures were outlined by Steve Webb MP today which, according to the Department for Work and Pensions will "protect savers' interests and boost many people's personal pension pots by thousands of pounds".
Draft regulations published today confirmed charges to invest and manage the default funds of all qualifying schemes will be capped at 0.75% annually.
The 0.75% cap will cover all charges excluding transaction costs.
The draft regulations ban "unfair charges and hidden costs that could, without action, severely reduce people's pension savings over decades", the DWP said.

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The government will bring forward further rules and regulations to ensure that from April 2015 members of workplace personal pensions will not be charged consultancy fees for advice to their employer.
Mr Webb said: "Consumers have had a raw deal from the market for too long. A pension is one of the biggest investments you can make in your lifetime, yet many people have seen the savings they have put by all their working life whittled away by high or needless charges they may not even be aware of.
"We are taking strong action to restore confidence in pensions by capping charges, banning hidden costs and putting new standards in place to ensure everyone saving in workplace pensions gets the best possible value for money.
"With millions of people now saving through automatic enrolment, we want to give them confidence that their hard-earned money is working for them and not disappearing in opaque charging structures and ending up lining the pockets of the pensions industry."
From April 2016 savers in all types of scheme will no longer be charged commission or consultancy fees. Nor will they have to pay charges for pension saving which increase when they change jobs.
The level and scope of the charge cap will be reviewed in 2017.
The new governance standards will apply across all money purchase workplace pension schemes and the aim is to ensure that people running schemes understand the key components of scheme quality and have members' interests as their priority.
Under the changes, trustees of pension schemes will be required to design default funds in members' interests, keep them under regular review and ensure that core financial transactions are processed promptly and accurately.
They will have to assess the value of costs and charges borne by those saving in a pension, and they must have a chair of trustees who will be responsible for signing off an annual statement on how the quality standards have been met.