This takes the total number of intermediary key accounts with access to Abbey's exclusives range to twelve - with at least 75% of mortgage intermediaries having access to one or more of the mortgage products available in the range.
New research from Abbey for Intermediaries shows that the intermediary mortgage market has seen around 57% fall in the number of lenders offering exclusive products since last year.
This has equated to a decline of over 87% in the total number of mortgage products available as exclusives to the intermediary market.
Adrian Whittaker, key accounts director, Abbey for Intermediaries said: "We're going against the market trend here in a good way. We promised intermediaries we would build our exclusives range to provide them with the products they needed to weather the market, and that is exactly what we are doing.
"It will be a slow and carefully plotted route as we expand the range further, but at least it's in the right direction, we have seen too much market movement in the wrong direction recently and mortgage clubs and networks are in need of our support.
"As we continue to develop our proposition through these difficult market conditions we are keen to ensure that those that operate in the intermediary market understand that not only are we still in the market to lend, but our dedication to the intermediary market remains a key part of our business goal."
Abbey for Intermediaries re-introduced its mortgage exclusives range through its broker channel in May after withdrawing them for a month in order to help maintain service levels. Since then each month has seen new exclusive products introduced into the range.