1240. Discharge of mortgages etc on landlord's estate.

A conveyance of the freehold1 is effective (that is to discharge, for example)2, as regards any charge on the landlord's3 estate, however created or arising, to secure the payment of money or the performance of any other obligation by the landlord or any other person, not being a charge subject to which the conveyance is required to be made or which would otherwise be overreached, to discharge the house4 and premises5 from the charge and from the operation of any order made by a court for the enforcement of the charge, also extinguishes any term of years created for