Alliance & Leicester has reduced interest rates on all but one of its mortgage products by at least 0.1%.
Nationwide Building Society will cut its fixed rate mortgages by as much as 0.2%, as well as launching new products.
Mortgage borrowers languishing on their lender's standard variable rate (SVR) could save £705m a year by remortgaging, according to Impartial.co.uk.
Leeds Building Society is to cut its fixed rate mortgages by up to 0.5% from today.
Yorkshire Building Society has today launched a new range of fixed rate mortgages.
The Bank of England's Monetary Policy Committee (MPC) has voted to keep interest rates steady at 5%.
While mortgage rates have fallen in recent weeks, Moneyfacts.co.uk says borrowers should be wary of the rising costs of arrangement fees.
Abbey has made further cuts to some of its range of two and three-year fixed rate mortgages.
Legal & General Mortgage Club has added an exclusive two-year tracker to its range at 0.94% over base rate, giving a current rate of 5.94%.
Coventry Building Society will cut rates on its range of offset mortgages by as much as 0.3% tomorrow.