v3.26.3
Share options and warrants - Reconciliation of outstanding warrants (Details) - Warrants
12 Months Ended
Jun. 30, 2026
EquityInstruments
£ / shares
Jun. 30, 2025
EquityInstruments
£ / shares
Share options and warrants    
Number of warrants, Outstanding, Beginning balance | EquityInstruments 6,304,023 21,106,446
Number of warrants, Granted during the year | EquityInstruments   4,209,027
Number of warrants, Exercised | EquityInstruments (2,214,996) (18,908,700)
Number of warrants, Lapsed | EquityInstruments   (102,750)
Number of warrants, Outstanding, Ending balance | EquityInstruments 4,089,027 6,304,023
Number of warrants, Exercisable | EquityInstruments 4,089,027 6,304,023
Weighted average exercise price of warrants, Outstanding, Beginning balance | £ / shares £ 0.31 £ 0.14
Weighted average exercise price of warrants, Granted during the year | £ / shares   0.4
Weighted average exercise price of warrants, Exercised | £ / shares 0.15 0.18
Weighted average exercise price of warrants, Lapsed | £ / shares   0.17
Weighted average exercise price of warrants, Outstanding, Ending balance | £ / shares 0.4 0.31
Weighted average exercise price of warrants, Exercisable | £ / shares £ 0.4 £ 0.31