Tell us about a change to your personal details or household If you pay Council Tax or receive benefits, you need to tell us if: you are moving your name or contact details change anyone moves in or out of your household someone in your household dies something else changes If you receive benefits, you will also need to report any changes to the benefits team. If you are a landlord or an agent, tell us if a tenant has moved. You must tell us about any changes within 21 days. If you do not, you may be fined £70. Page last updated: 2 May 2024