"We are ready to work with our broker community to process new cases and help their clients to secure their first home."
The five-year fixed rate is availavle at 3.85% up to 95% LTV. The mortgage has a product fee of £350 and is available across England and Wales on a limited tranche.
To further help applicants, it is now possible to accept gifted deposits from parents and grandparents when applying for this mortgage.
The Society recently launched a new enhanced affordability calculator on its website, powered by Legal & General.
Claire Askham, head of mortgage sales at Buckinghamshire Building Society, said: “It is rewarding to be able to continue to support first-time buyers with this new product.
"We are confident that the competitive interest rate, fixed for five years, will make it a popular product for our broker’s clients. We are ready to work with our broker community to process new cases and help their clients to secure their first home.”