The Government Says

Landfill Tax: removal of exemption for stabilisers added to dredgings when sent to landfill

Landfill Tax: removal of exemption for stabilisers added to dredgings when sent to landfill
Local copy of L-day_-_Landfill_tax_.pdf
Local copy of L-Day_2026_EN_-_Landfill_Reforms.odt

https://www.gov.uk/government/publications/landfill-tax-removal-of-exemption-for-stabilisers-added-to-dredgings-when-sent-to-landfill

seen at 14:32, 13 July in Policy papers and consultations.