
The lender has lowered its two-year fixed rate owner-occupier interest-only products by five basis points, while its two-year fixed rate owner-occupier repayment has been reduced by 10 basis points.
The firm has also cut its two-year fixed rate BTL products by up to 10 basis points.
Family Building Society has also introduced two new two- and five-year 80% loan-to-value (LTV) owner-occupier interest-only products with no maximum loan size.
Repayment rates have increased by 15bps, although five-year fixed rate BTL products have been held.
For JBSP products, the maximum loan size has been increased to £1m.

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Family Building Society added that it would widen the availability for house in multiple occupation (HMO) deals to all brokers.
Darren Deacon, head of intermediary sales at Family Building Society, said: “We are always looking to build on our reputation as a lender that listens to brokers and offers sensible and flexible solutions for their customers.
“That’s why we have increased our maximum loan size for our range of JBSP products, which, given the family help that is often required by first-time buyers and growing families making the next step on the property ladder, will be particularly welcome.
“In addition, by making our HMO products available to all intermediaries, many more UK landlords will be able take advantage of this specialised lending option.”
Earlier this year, the firm lowered rates and altered its BTL criteria.