v3.26.1
Expenses by nature (Details) - GBP (£)
£ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Expense by nature      
Share based payment expenses £ 9,667 £ 7,486 £ 8,816
Related party administrative expenses 276 1,280 83
Total administrative & research and development expenses      
Expense by nature      
Total expenses by nature 125,618 104,579 106,274
Research and development expenses      
Expense by nature      
Staff costs (excluding share-based payment expenses) 39,193 27,148 23,830
Consultancy costs 22,086 12,179 16,193
Research and development components, parts and tooling 10,712 20,561 25,350
Total expenses by nature 71,991 59,888 65,373
Administrative expenses      
Expense by nature      
Staff costs (excluding share-based payment expenses) 12,715 9,682 9,616
Consultancy costs 3,194 2,961 1,914
Total expenses by nature 53,351 43,411 40,818
Share based payment expenses 9,667 7,486 8,816
Legal and financial advisory costs 3,383 4,609 2,296
HR advisory and recruitment costs 2,031 650 968
IT hardware and Software costs 8,505 7,192 6,314
Insurance and premises expenses 2,130 1,357 2,110
Marketing costs 4,653 1,761 688
Premises expenses 1,941 2,183 1,870
Operational travel and logistics costs 1,438 1,006 1,287
Aviation and aerospace regulatory fees 1,127 457 302
Depreciation expense 965 1,088 892
Amortisation expense 131 885 1,164
Depreciation on right of use property assets 860 730 658
Other administrative expenses 611 1,364 1,923
Related party administrative expenses £ 276 £ 1,280 £ 83