The new range features rates from 9.9%.
The second charge specialist lender has also slashed rates on its near prime product range with cuts of up to 4.9%.
The range includes a new five-year fix rate available from 6.10% and variable rates available from 5.75%.
Darrell Walker, head of sales second charge and commercial lending, OneSavings Bank, said: “These market leading rate reductions have been introduced following feedback from our brokers. The changes we’ve made are a testament to our broker centric philosophy that enables us to react to market needs and evolve our specialist second charge mortgage range.”
Steve Walker, managing director, Promise Specialist Solutions added: “These are the best enhancements we have seen from Prestige for some time and suggest a bolder and more confident stance towards their position in the market.”