The changes to its mortgage rates will come into effect on 22 January.
Within its purchase range, selected two- and five-year fixed rates from 60% to 95% loan to value (LTV), including certain high-value products, have been lowered by around 0.11%.
An example includes its no-fee two-year fixed rate at 80% LTV falling from 4.18% to 4.07%.
On the first-time buyer side, two- and five-year fixed rates from 85% to 95% LTV will go down by around 0.1%.
This includes a two-year fixed rate at 90% LTV with no fee and £250 cashback decreasing from 4.35% to 4.25%.
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In NatWest’s green range, two- and five-year fixed rates from 60% to 85% LTV will decline by around 0.09%.
An example is its five-year fixed rate at 85% LTV going from 4.06% to 3.97%. The deal has a product fee of £995.
Green buy-to-let (BTL) purchase and remortgage products at 65% and 75% LTV on two- and five-year terms have fallen by up to 0.08%.
For instance, its two-year fixed rate remortgage deal at 75% LTV with a £995 fee will be reduced from 4.01% to 3.93%.
In its BTL range, cuts of up to 0.11% have been applied to selected purchase and remortgage deals on two- and five-year terms from 60% to 75% LTV.
This includes its two-year fixed rate remortgage rate at 75% LTV with a £3,499 fee falling from 3.6% to 3.49%.
Earlier this month, the firm lowered rates across purchase, remortgage, first-time buyer, green and shared equity mortgages.