Santander will increase a wide range of product transfer rates by up to 21 basis points on Wednesday, while making a mixture of increases and reductions across its new business range.

The largest increase is on a three-year fixed product transfer at 75% LTV with a £999 fee, which will rise by 21bps from 4.97% to 5.18%.

A fee-free three-year product transfer at 60% LTV will increase by 17bps to 5.32%.

Several product transfer rates will rise by 15bps, including fee-free one-year fixes at 95% LTV and above, which will increase to 5.70% and 5.75% respectively.

A two-year fixed product transfer at 75% LTV with a £999 fee will also rise by 15bps to 5.14%, while fee-free five-year fixes at 95% LTV and above will increase by 15bps to 5.71% and 5.76%.

Within the buy-to-let product transfer range, a two-year fixed at 75% LTV with a £1,749 fee will increase by 15bps to 5.14%.

Santander will also make a mixture of increases and reductions across its new business range.

The largest cuts are 15bps across several two-year tracker products.

A home mover tracker at 60% LTV with a £999 fee will fall from 4.23% to 4.08%, while the equivalent 75% LTV deal will decrease from 4.40% to 4.25%.

A fee-free tracker at 90% LTV will reduce by 15bps to 4.95%, while a 95% LTV loyal mover exclusive will fall to 5.09%.

For first-time buyers, a two-year tracker at 60% LTV with a £999 fee will also be cut by 15bps to 4.20%.

Santander is also introducing new two-year buy-to-let tracker products at 60%, 65% and 75% LTV, priced at 4.25%, 4.30% and 4.35% respectively, each with a £1,749 fee.