Firms which offer investments such as personal pensions and Isas face tougher rules to ensure they give people a more realistic prediction of potential returns.
Banks will be made to display clearer information online and in branches on how much compensation savers could claim if their provider went bust. However, the new rules stop short of forcing banks to include the information on statements.
Lenders paid out £500 million compensation in March to victims of payment protection insurance (PPI) mis-selling, the highest single month of redress in 2012 .
Many savers with cash in Santander UK are worried about the safety of their money due to problems in Spain and the wider European economy. However, the bank stresses it is a separate entity to its Spanish parent, which therefore cannot raid UK cash.
The squeeze on availability of interest-only mortgages continued today when a major lender announced plans to withdraw its range of products for new customers.