Nationwide Building Society is raising most of its fixed rate products by 0.3% from tomorrow.
Two, three and five-year fixed rates for house purchase, remortgage and further advances are increasing by 0.3%.
The Mortgage Works is increasing all fixed rates from residential from residential and guarantor mortgages by 0.3%.
A spokesman for Nationwide says it always has a view of the marketplace and its competitors.
He also says that Nationwide is not immune to the rising swap rate environment.