Coventry Building Society has introduced a 4.89 per cent Flexx with +0.39 per cent base rate tracker and a 5.05 per cent Flexx with +0.55 per cent base rate tracker until 30 September 2009.
The third new addition is a 5.15 per cent Flexx with +0.65 per cent base rate tracker until September 2011.
All three products also offer free valuation, free legal fees and the option of a three month payment break per year.
Find a best-buy mortgage here.