According to the lender, a two-year fixed rate is available at 2.46% and a five-year fix starts from 2.70%.
The new fee-assisted products offer a free standard valuation on properties up to £500,000, £500 cashback and 10% overpayments per annum.
The ICR is 145% at a rate of 4% for product terms of five years or more and there is no maximum age for borrowers.
John Truswell, head of intermediary mortgages at Newcastle Building Society, said: “We’re delighted to re-enter the buy-to-let market with these new products. They offer flexibility, competitive rates and a number of benefits, underpinned by our adaptable, nuanced approach to underwriting.”
