It is also intorducing a new two-year fixed at 3.90%, up to 75% LTV with no fee and includes Homebuyer solution.
And a two-year tracker at 3.09%, up to 70% LTV with no fee.
The latest range also includes a two-year fixed reduced to 2.75%, available up to 60% LTV with £1995 fee available to all borrowers.
There is a four-year fixed reduced to 4.75%, up to 75 per cent LTV with £995 fee including free basic valuation and £250 cashback on completion.
And a five-year fixed reduced to 4.75%, up to 70% LTV with £995 fee including free valuation and £250 cashback on completion.
A spokesman for Santander says: “It’s great news for borrowers that rates are coming down on fixed deals. Whether they’re looking to remortgage or purchase a house, we have some extremely competitive deals in our range. As the ‘Home of UK mortgages’, we want to ensure we can provide customers with a good variety of products to suit their needs.”