Across its residential range, two-year fixed rates are increasing by up to 121bps at 60% LTV and 75% LTV, up to 130bps at 80% LTV, 125bps at 85% LTV, and 124bps at 90% LTV.
Two-year fixed rate remortgage products have also increased by between 114-146bps.
Five-year fixed rates have seen slightly smaller increases of between 0.90% and 1.01% and five-year remortgage products have increased by up to 116bps.
Its two-year fixed rates for first-time buyers have increased by up to 152bps at 85% LTV and 140bps at 90% LTV, while five-year rates have increased by between 100 and 122bps.
Shared equity rates have risen by between 105bps and 136bps, while Help to Buy rates have increased by between 104bps and 136bps.
Across NatWest's buy-to-let range, the largest changes are to two-year fixed rate products, with purchase rates increasing by between 1.58% and 1.78% and remortgage products rising by up to 1.72%.
Five-year fixed rate buy-to-let products have increased by between 120 and 145bps.
Residential and buy-to-let green mortgage products have also seen similar rate rises.
As part of the changes, NatWest has also announced changes to its buy-to-let stress rates. The stress rate for two-year products has increased from 5.5% to 7.83% and the rate for five-year and like-for-like remortgage products has increased from 5.1% to 7.44%.
The full range of rate changes can be viewed here.
