The deals affected include a reduced rate of 3.05% previously priced at 3.15% for two years on loan to values up to 60% and 3.99% reduced to 3.75% for three years on LTVs up to 70%.
Both products include a legal package for remortgagors, one valuation up to £650 and are available for both purchase and remortgage.
Colin Franklin, sales and marketing director at the Coventry, said: "We are delighted to be able to cut our rates on these fixed rate products. With many borrowers looking for stability, our reduced rates offer even better value. We expect these to be very popular so borrowers need to act now to avoid missing out."