The mutual said the products would give short-term payment certainty to people who did not meet mainstream mortgage criteria.
The launches include a two-year fixed Credit Revive deal up to 70% loan to value (LTV), priced at 6.09%, and a corresponding option up to 85% LTV with a rate of 6.39%.
There is also a two-year fixed Credit Restore product up to 60% LTV with a rate of 6.59%, and up to 75% LTV, this is priced at 6.89%.
All products have a £999 fee.
The Credit Restore and Credit Revive ranges were designed to help borrowers with varying levels of historical credit impairment, from minor credit blips through to more significant events.
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Claire Askham, head of mortgage sales at Buckinghamshire Building Society, said: “We know brokers need dependable options for clients who want payment certainty, particularly those who may have experienced financial setbacks in the past.
“These new fixed rates ensure advisers continue to have solutions for borrowers who are now in a stronger position and ready to move forward.
“At Buckinghamshire Building Society, we look beyond credit scores and automated outcomes. We focus on understanding each case individually and helping brokers place clients who might otherwise be overlooked.”
HSBC cuts mortgage rates
HSBC has announced mortgage rate reductions across residential and buy-to-let (BTL) deals.
The changes will go live on Friday, and follow reductions from TSB, Coventry Building Society, Santander and Principality Building Society this week.
Nick Mendes, product technical manager at John Charcol, said the recent reductions were “positive” and the “clearest sign yet that lender confidence is starting to come back”.
He added: “What gives this move a bit more weight is that HSBC is one of the major high street lenders. When a lender of that size starts repricing, it does tend to give the wider market a nudge and adds to the sense that this could help kick start further reductions from other big names over the coming days.
“That is especially encouraging after the volatility of the last few weeks, where lenders were far more focused on protecting margins and managing risk than competing hard on price.”
