The new £500 cashback exclusives include a two-year fixed rate at 2.99% and a five-year fix at 3.39% up to 95% LTV with no product fee and a free valuation.
Santander has also launched a new five-year fixed rate at 1.81% up to 60% LTV with a £1,999 product fee on a minimum loan size of £500,000. A 60% LTV ten-year fixed rate is also available at 2.39% with a £999 fee.
The Bank has also announced rate reductions of up to 0.10% across its residential and buy-to-let ranges.
Residential two-year fixed rates are now available at 1.44% with a £999 product fee or 1.74% fee-free.
Five-year fixed rates have reduced to 1.99% at 60% LTV with no fee, while 75% LTV rates start at 1.89% with a £999 fee or 2.09% fee-free.
For buy-to-let, two-year fixed rates have been cut to 1.59% at 60% LTV and 1.69% at 75% LTV, both with a £1,499 product fee.
Five-year fixed rates are on offer at 2.04% at 60% LTV and 2.39% at 75% LTV with a £1,499 fee.