UPDATE :As of midnight last night Northern Rock has withdrawn from offering 125% mortgages.
UPDATE : In the comments a co-conspirator has made an effort to normalise the results by market share using market leader HBOS against Northern Rock:
HBOS has 20.4% of the market, with 520 reposessions in Feb = 25 repos per 1% of market
Northern Rock has 7.2% of the market, with 690 reposessions in Feb = 95 repos per 1% of the market.
In short, Northern Rock repossesses almost 4 houses to every one repossesed by HBOS, when market share is factored into the equation.
Hat-tip : HousePriceCrash.co.uk via LabRat