The intermediary is offering borrowers two-year mortgage products at 1.87% with a maximum loan-to-value (LTV) of 60%.
Alternatively, borrowers can also get mortgage products for 1.96% with a maximum LTV of 90% with a smaller deposit.
Both two-year products are fixed until 31 January 2019.
Borrowers looking for a longer fixed rate have the choice of two five-year products, both fixed until 31 January 2022.
A rate of 2.05% is available with a maximum LTV of 60% or a rate of 2.40% with a LTV of 80%.
All products offered come with no reservation or completion fees and include free legal and standard valuation fees.
Steve Carruthers [pictured], head of mortgage distribution at Newcastle Intermediaries, commented on the refreshed products and said the they were ideal for customers who need reassurance of regular payments.
He added the free fees element is aimed to allow borrowers to free-up money at a time when they need it the most.