Nationwide is reducing selected fixed rate and tracker mortgages by up to 0.25%.
It will cut fixed rates up to 75% LTV by up to 0.15%, with tracker rates at 80% and above reduced by up to 0.25%.
The building society is also reducing rates in its shared equity loan range, available to customers accessing the Help to Buy equity loan scheme.
Shared equity products at 70-75% LTV are reduced by up to 0.10%. Rates for its two-year fixed rate shared equity product at 75% LTV now start at 1.89% with a £999 fee.
The five-year fixed rate shared equity 75% LTV deal now starts at 2.64%, also with a £999 fee.
Nationwide is also cutting its two, three and five-year fixed rate deals and two-year tracker deals. Rates for customers with a 25% deposit now starti at 1.84% for a two-year fix with a £999 fee.
Three-year fixed rates for those with a 40% deposit also start at 1.94%, while the five-year fix starts at 2.24%, again, with a £999 fee.
Buyers opting for a two-year tracker will see rates reduced to 1.69% between 75% and 85% LTV and 2.24% LTV at 90%, all with a £999 fee.
Henry Jordan, head of mortgages, said: “With the combination of competitive rates and access to additional benefits, Nationwide will continue to offer mortgage customers amongst the best deals on the high street.
“Standard valuations remain fee-free for all customers and Nationwide main current account customers can access a cashback of £250, both irrespective of which product they choose.”