"As average UK house prices reach an all-time high this year, more borrowers are looking to purchase properties with smaller deposits."
Included in the offering is a 95% LTV three-year fixed rate at 3.80%.
The product is available on house purchases and remortgages up to £500,000 and comes with no product fees, £500 cashback and the flexibility of 10% overpayments per annum.
Franco Di Pietro, head of intermediary mortgages at Newcastle Building Society, said: “As average UK house prices reach an all-time high this year, more borrowers are looking to purchase properties with smaller deposits.
"The introduction of a new range of higher LTV three-year fixed rates underlines our commitment to providing brokers with attractive solutions that meet the needs of their clients. Whether borrowers are looking to purchase or remortgage, our higher LTV range continues to provide choice to lower deposit borrowers.”