When the owner of the house goes into care the house has to be sold. (There isn't te option to rent it out.)
Totally incorrect, there are many on here who rent out a house to help pay care home fees.
The LA have to assess the value of the property and take into account any; mortgage, secured loan, equity release of anything else registered with the land registry as they will have a charge against the property, normally a first charge which means they get paid before the home owner on the sale of the house as they have the first charge against it. The house will be assessed at its "realisible" value i.e. it's value after all debts secured against it have been "discharged" which is a legal way of saying paid.
A £200,000 house with £100,000 of secured loan against it is classed as a £100,000 asset.
The equity release company may have a no lease clause but the LA do an assessment based on the part of the asset held by the person being assessed not the total value of the asset
Welcome to TP Pat, it's a big learning curve.
K