The changes will apply from 24 July and are occurring on two-, three- and five-year fixes.
Rates for the two-year fix at 90 per cent LTV are reduced by 0.10 per cent to 1.89 per cent with a £999 fee and 2.29 per cent with no fee.
Three-year fixes are also reduced by 0.10 per cent to 2.14 per cent with a £999 fee and 2.44 per cent with no fee, with five-years fixes down to 2.29 per cent with a £999 fee and 2.49 per cent fee-free.
Nationwide director of mortgages, Henry Jordan said: “By improving the competitiveness of our two-, three- and five-year fixed rate products, we are aiming to support those mortgage customers looking for payment security.”