The 3-year fixed rate mortgage range starts from 4.25%. The society is also launching new fees assisted versions for those who require help with upfront costs.
The 4.25% rate is available up to 60% LTV, at 4.95% from 61% to 80% LTV and at 5.55% from 81% to 85% LTV. There is no higher lending charge and 10% capital repayments are allowed each year.
The fees assisted version is available from 4.75% up to 60% LTV, at 5.45% from 61% to 80% LTV and at 6.15% from 81% to 85% LTV. The fees assisted version has no completion fee, no higher lending charge and allows 10% capital repayments each year. There is also a free standard valuation up to £335 and free legal services for remortgages.
The 5-year fixed rate mortgage has a rate of 4.60%. Furthermore, there is no higher lending charge and 10% capital repayments are allowed each year without penalty.
Martin Richardson, general manager, marketing and business development, said: "We know that many borrowers like the ability to budget through fixed monthly payments.
"We are also providing fees assisted options so customers have help with upfront costs, and can lock in at a rate that delivers certainty of payments thereby providing excellent peace of mind.
"Furthermore, all the products are fully portable so if customers do wish to move during the term they can take the mortgage with them."
