The Government Says

The Building (Local Authority Charges and Amendments Relating to Charging) (England) Regulations 2026 Circular 05/2026

The Building (Local Authority Charges and Amendments Relating to Charging) (England) Regulations 2026 Circular 05/2026
Local copy of Circular_052026_-_The_Building__Local_Authority_Charges_and_Amendments_Relating_to_Charging___England__Regulations_2026.pdf

https://www.gov.uk/government/publications/the-building-local-authority-charges-and-amendments-relating-to-charging-england-regulations-2026-circular-052026

seen at 14:58, 16 October in News and communications.