The lender will now offer BTL purchase and remortgage products up to 80 per cent LTV, up from 75 per cent LTV previously.
The stress test rate for five-year fixed rates has also been cut from four per cent to 3.5 per cent for loans up to 75 per cent LTV. Loans above 75 per cent LTV the rate has been kept at 4.5 per cent.
Five-year fixed rates will start from 2.29 per cent, having previously started from 2.79 per cent.
Metro Bank has also removed the proof of income requirement for self-funding buy-to-lets.
The maximum LTV for buy-to-let loans for new build houses and flats now stands at 80 per cent LTV, an increase from 75 per cent LTV.
Charles Morley (pictured), director of mortgage distribution at Metro Bank, said: “In a competitive market, it’s important that customers and intermediaries have plenty of options available for their individual requirements.
“We’re confident that these enhancements to our BTL range, along with our ongoing push into more specialist mortgages, make Metro Bank an attractive option for an ever-wider breadth of mortgage customer.”