There are several reasons why a property may be exempt from council tax.

Some exemptions are time limited, but others will last until there is a change in circumstances. 

We inspect all unoccupied properties as soon we can after they first become empty, and from time to time while they remain unoccupied. If we need to inspect the property, the owner must allow us access. If not, we may cancel the discount or exemption we have given you and you may have to pay the full Council Tax.