v3.26.3
Intangible assets - Reconciliation of intangible assets (Details) - GBP (£)
£ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Reconciliation of intangible assets      
Opening amount £ 966,457 £ 837,564  
Additions 194,405 346,348  
Disposals (67,782) (21,082)  
Amortization charge (211,813) (196,373) £ (190,123)
Closing amount 881,267 966,457 837,564
Cost / gross value      
Reconciliation of intangible assets      
Opening amount 1,554,502 1,392,130  
Closing amount 1,417,231 1,554,502 1,392,130
Accumulated depreciation, amortization and impairment      
Reconciliation of intangible assets      
Opening amount (588,045) (554,566)  
Closing amount (535,964) (588,045) (554,566)
Goodwill      
Reconciliation of intangible assets      
Opening amount 421,453 421,453  
Closing amount 421,453 421,453 421,453
Goodwill | Cost / gross value      
Reconciliation of intangible assets      
Opening amount 421,453 421,453  
Closing amount 421,453 421,453 421,453
Registrations      
Reconciliation of intangible assets      
Opening amount 537,348 408,579  
Additions 191,149 342,960  
Disposals (67,782) (21,082)  
Amortization charge (208,423) (193,109)  
Closing amount 452,292 537,348 408,579
Registrations | Cost / gross value      
Reconciliation of intangible assets      
Opening amount 1,102,880 943,896  
Closing amount 962,353 1,102,880 943,896
Registrations | Accumulated depreciation, amortization and impairment      
Reconciliation of intangible assets      
Opening amount (565,532) (535,317)  
Closing amount (510,061) (565,532) (535,317)
Other intangible assets      
Reconciliation of intangible assets      
Opening amount 7,656 7,532  
Additions 3,256 3,388  
Amortization charge (3,390) (3,264)  
Closing amount 7,522 7,656 7,532
Other intangible assets | Cost / gross value      
Reconciliation of intangible assets      
Opening amount 30,169 26,781  
Closing amount 33,425 30,169 26,781
Other intangible assets | Accumulated depreciation, amortization and impairment      
Reconciliation of intangible assets      
Opening amount (22,513) (19,249)  
Closing amount £ (25,903) £ (22,513) £ (19,249)