
The mortgage rate changes will come into effect on 14 November and apply to select residential, buy-to-let (BTL) and green deals for new NatWest borrowers.
This includes changes to a number of sub-4% mortgage deals, such as the five-year fixed purchase product at 60% loan to value (LTV) with a £1,495 fee, which has gone up from 3.84% to 4.14%.
The corresponding mortgage with a £995 fee has been raised by 0.3% from 3.89% to 4.29%, while the fee-free option has gone up from 3.99% to 4.29%.
The five-year fixed purchase product at 75% LTV with no fee will be increased from 4.09% to 4.44%.
Increases have been made to purchase and remortgage deals fixed for two or five years, for standard and high-value borrowers, up to 90% LTV.

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NatWest has also raised rates for first-time buyers by as much as 0.25%, and changes have been made to shared equity and Help to Buy products.
Across its BTL products, NatWest’s two-year fixed purchase option at 60% LTV with a £995 fee has gone up from 4.59% to 4.69%, while the fee-free option has increased by five basis points to 5.15%.
The equivalent five-year fixes have increased from 4.47% to 4.59% and from 4.48% to 4.65% respectively.
NatWest has also made changes to mortgage pricing for green residential and BTL deals.
It follows the trend of other mainstream lenders increasing mortgage rates this week, including Nationwide, HSBC, TSB and Santander.