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Employee benefit expenses Key management compensation (Details) - GBP (£)
£ in Thousands
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Employee benefit expenses      
Short-term employee benefits £ (6,893) £ (8,326) £ (9,507)
Share-based payments (284) (1,125) (1,017)
Post-employment benefits (8) (5) (20)
Total key management compensation £ (7,185) £ (9,456) £ (10,544)