However the lender has stressed that it does not plan to further restrict its LTVs or core lending.
Liquidity issues have been given as the main reason for this, with Blemain opting to act 'prudently.'
Second charge loans greater than £50,000 will still be considered by referral, based on the merits of the case.
The Group has no plans for any further changes to Blemain Finance, Cheshire Mortgage Corporation or Lancashire Mortgage Corporation criteria at the moment.
Brokers with queries are urged to contact their BDMs.