v3.26.3
Share-based payments (Details)
12 Months Ended
Jun. 30, 2026
$ / shares
shares
Jun. 30, 2026
GBP (£)
EquityInstruments
£ / shares
shares
Jun. 30, 2025
$ / shares
Jun. 30, 2025
GBP (£)
EquityInstruments
£ / shares
Jun. 30, 2024
GBP (£)
Disclosure of terms and conditions of share-based payment arrangement          
Expenses related to share-based payment transactions | £   £ 1,773,000   £ 1,581,000 £ 1,969,000
Expenses related to equity-settled share-based payment transactions | £   243,000   658,000 875,000
Expenses related to cash-settled share-based payment transactions | £   £ 1,530,000   £ 923,000 £ 1,094,000
Class A ordinary shares          
Disclosure of terms and conditions of share-based payment arrangement          
Shares reserved for issuance | shares 16,000,000 16,000,000      
Shares that remain available for issuance | shares 14,641,866 14,641,866      
Outstanding in share-based payment arrangement at beginning of year   121,536      
Awarded   53,020      
Vested   (62,534)      
Outstanding in share-based payment arrangement at end of year   112,022   121,536  
Fair value of shares awarded (per share) | (per share) $ 22.93 £ 17.28 $ 17.81 £ 12.99  
Class A ordinary shares | Gross award          
Disclosure of terms and conditions of share-based payment arrangement          
Outstanding in share-based payment arrangement at beginning of year   229,301      
Awarded   100,045      
Vested   (117,992)      
Outstanding in share-based payment arrangement at end of year   211,354   229,301