The reductions affect residential products for purchase and remortgage borrowers, as well as buy-to-let products.
Two-year fixed rate deals for both purchase and remortgage customers are now available from 3.29%.
Elsewhere, the bank has reduced five-year fixed rates, with mortgage deals now available from 3.79%.
Buy-to-let fixed rates are available from 3.99%, including £500 cashback, while tracker rates are now available from 3.98%.Fixed rate buy-to-let loans are now available from 3.99% for 2 years, or 4.99% for 5 years.