The society has reduced rates on its highest LTV fixed term mortgage products.
Its 2-year 95% LTV fixed rate mortgage rate will be reduced by 0.25% from 4.99% to 4.74% with an £845 product fee and a £130 mortgage processing fee.
Chelsea Building Society, part of the YBS Group, will also see a 0.25% reduction on its equivalent 95% LTV product.
Its 2-year fixed rate mortgage will be reduced from 4.89% to 4.64% with a product fee of £1,545 and a £130 mortgage processing fee.
Further reductions will be made on the Yorkshire and Chelsea products at 65%, 75%, 85% and 90% LTV mortgages.
Highlights of the YBS range include a 3.19% 5-year fixed mortgage with £345 product fee (reduced from 3.49%) and a 3.09% 5-year fixed mortgage with £345 product fee (reduced from 3.24%).
The Chelsea range includes a 1.99% 2-year fixed mortgage with £345 product fee (reduced from 2.14%) and a 3.39% 5-year fixed mortgage with £1,545 product fee (reduced from 3.24%).