Kensington Mortgages is offering a three year fixed rate mortgage for adverse credit borrowers. It says it is the first specialist lender to offer such a deal. Rates on the mortgage start at 5.75 per cent and are valid until November 30th 2006. There are no early repayment charges after the first three years of the loan. Kensington has also extended the end dates for its one-year fixed and discounted interest rates which start from 3.90 per cent until November 30th 2004.