The product is available up to 60% loan-to-value (LTV) and has a fee of £995.
Two new products will be added to its range for homebuyers and remortgage borrowers.
A two-year fix at 2.29% and a five-year fixed rate at 3.44% will be available up to 80% LTV and a two-year tracker will be added to the range at 2.04% for mortgages up to 80% LTV,
Miguel Sard (pictured), head of Santander mortgages, said: “This is good news all round for customers, whether they are looking to remortgage or buy a new home. We are delighted to end the year by offering some of the lowest rates available in the market, and both customers and brokers should take advantage of these limited offer deals while they can.”
At the beginning of November, Santander reported its gross mortgage lending in the first nine months of the year had reached £20,484m, 58% higher than the same period last year.