Share-based payments (Tables)
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12 Months Ended |
Dec. 31, 2024 |
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| Share-based payments |
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| Schedule of share-based payment transactions |
| | | | | | | 2024 | | 2023 | | | £ 000 | | £ 000 | 2021 Incentive Plan | | 7,142 | | 8,084 | Enterprise Management Incentive | | 344 | | 732 | | | 7,486 | | 8,816 |
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| EMI Scheme |
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| Share-based payments |
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| Schedule of movements in outstanding share options and weighted average exercise prices |
| | | | | | | 2024 | | 2023 | | | Number | | Number | Outstanding, start of period | | 1,170,231 | | 2,101,108 | Granted during the period | | — | | — | Forfeited during the period | | (224,802) | | (162,185) | Exercised during the period | | — | | (768,692) | Outstanding, end of period | | 945,429 | | 1,170,231 |
| | | | | | | 2024 | | 2023 | | | £ | | £ | Outstanding, start of period | | 2.50 | | 1.90 | Granted during the period | | — | | — | Forfeited during the period | | 3.80 | | 2.40 | Exercised during the period | | — | | 1.00 | Outstanding, end of period | | 2.20 | | 2.50 |
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| Schedule of share options outstanding |
| | | | | | | 31 December | | 31 December | | | 2024 | | 2023 | Weighted average exercise price (£) | | 2.20 | | 2.50 | Number of share options outstanding | | 945,429 | | 1,170,231 | Expected weighted average remaining vesting period (years) | | 0.92 | | 1.78 |
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| Schedule of fair value of options granted |
| | | | | December 31, | | | 2022 | Average share price at date of grant (£) | | 50.70 | Expected volatility (%) | | 50.00 | Vesting period in years | | 2.75 | Risk-free interest rate (%) | | 1.25 |
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| 2021 Incentive Plan |
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| Share-based payments |
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| Schedule of movements in outstanding share options and weighted average exercise prices |
| | | | | | | 2024 | | 2023 | | | Number | | Number | Outstanding, start of period | | 998,598 | | 435,567 | Granted during the period | | 397,803 | | 737,060 | Forfeited during the period | | (96,822) | | (71,577) | Exercised during the period | | (128,369) | | (102,452) | Outstanding, end of period | | 1,171,210 | | 998,598 |
| | | | | | | 2024 | | 2023 | | | £ | | £ | Outstanding, start of period | | 9.80 | | 66.30 | Granted during the period | | 9.80 | | 9.80 | Forfeited during the period | | 9.80 | | 64.20 | Outstanding, end of period | | 9.80 | | 9.80 |
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| Schedule of share options outstanding |
| | | | | | | 31 December | | 31 December | | | 2024 | | 2023 | Weighted average exercise price (£) | | 0.91 | | 1.20 | Number of share options outstanding | | 1,171,210 | | 998,598 | Expected weighted average remaining vesting period (years) | | 2.14 | | 3.30 |
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| Schedule of fair value of options granted |
| | | | | | | | December 31, | | December 31, | | | | 2024 | | 2023 | | Average share price at date of grant (£) | | 7.13 | | 9.50 | | Expected volatility (%) | | 90.00 | % | 89.58 | % | Dividend yield (%) | | — | | — | | Risk-free interest rate (%) | | 4.43 | % | 4.78 | % |
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| Schedule of share based compensation payment award inputs option |
| | | | | December 31, | | | 2023 | Average share price at date of grant (£) | | 6.20 | Expected volatility (%) | | 90.00 | Dividend yield (%) | | — | Vesting period in years | | 2.63 | Risk-free interest rate (%) | | 4.80 |
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