I think that whatever chance the property charge has of working it will have to be based on the value of the property. This will be very difficult to enforce as will every other system. Some people think site value is a solution but if the property on which the site is on is low so is the value of the site. If the house is going to be assessed according to value surely there is no better way of valuing than by looking at the most recent prices achieved in an estate. There are huge no of problems with pricing one off houses etc. I feel it is going to be a nightmare to sort out.