You must tell us if your circumstances change within one month of it happening. This also includes any change in circumstances of the people that live with you.
A change could affect the amount of Council Tax you pay. If you don't tell us about a change and you receive an overpayment of a discount or exemption as a result, you will be responsible for paying it back and could also face prosecution.
Some changes that may affect your Council Tax account could include:
You change address.
If your property is empty and has become occupied or if your property is occupied and becomes empty.
You change your contact details (Name, e-mail, telephone number etc.).
Someone moves in or out of your property.
A child turns 18.
You are receiving a discount and there is a change in circumstances e.g. at student finishes their course.
Any other changes that may affect your Council Tax charge.