The mutual will offer four products for borrowers who wish to purchase new homes, with deals available up to 90% loan-to-value.
The two products available to borrowers with a 10% deposit are a two-year fixed deal at 3.89% and a five-year mortgage at 4.10%.
At 85% loan-to-value a two-year fix at 3.04% and a five-year fix at 3.55% are both available.
All four products are fee-free and Steve Urwin, managing director of sales and marketing at Newcastle Building Society, said this would allow more buyers to purchase a new build property.
“The society has supported first-time buyers for a number of years through our mortgage products with LTVs up to 95%,” he said.
“The launch of specific products for the new build market help will continue to support first time buyers and next time buyers in a market that has and is expected to expand in the next couple of years.
“The products have been designed with a range of fixed rate terms to offer flexibility, as well as fees free and cash-back options to help keep upfront cost low for first-time buyers.”