Its three-year fixed deal is a 75% LTV mortgage at a rate of 2.48%, with other products including a 1.98% two-year fixed rate mortgage at 75% LTV with a £995 fee.

Other products on the residential side include a fee-free 2.98% three-year fixed rate mortgage at 60% LTV and a 3.59% fee-free five-year fix at 60% LTV.

On the buy-to-let side, the lender is offering a 3.75% five-year fixed rate mortgage at 60% LTV and a 4.09% five-year fixed rate mortgage at 75% LTV, both with a £1,995 fee.

John Willcock, head of Post Office Mortgages, said: “In a competitive market it is important to stand out, and with our rates and service offering we are able to offer customers an alternative to traditional high-street lenders, whether they’re looking for a residential or buy-to-let mortgage.

“We’re dedicated to ensuring customers feel they are in safe hands when it comes to taking out a new mortgage and hope that with these new rates they also know they are getting the best deal.”