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Finance income/(costs) (Details) - GBP (£) £ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Finance income/(costs) |  |  |  |
Interest income on deposits | £ 609 | £ 614 | £ 1,243 | £ 1,168
Fair value movements on financial liabilities at fair value through profit and loss (note 14) |  | 9,989 |  | 5,914
Fair value movements on warrant liabilities (note 13) |  | 609 |  | 305
Foreign exchange gain | 18,094 |  | 27,530 |
Other | 4 | 3 |  | 10
Total finance income | 18,707 | 11,215 | 28,773 | 7,397
Fair value movements on warrant liabilities (note 13) | (296) |  | (324) |
In-kind interest on financial liabilities at fair value through profit and loss (note 14) |  | (4,252) |  | (8,483)
Foreign exchange loss |  | (1) |  | (2,461)
Interest expense on leases | (41) | (40) | (78) | (82)
Total finance costs | (337) | (4,293) | (402) | (11,026)
Fair value movements on financial liabilities at fair value through profit and loss (note 14) |  |  | 258,719 |
Total related party finance income |  |  | 258,719 |
In-kind interest on financial liabilities at fair value through profit and loss (note 14) | (2,805) |  | (5,782) |
Fair value movements on financial liabilities at fair value through profit and loss (note 14) | (140,404) |  |  |
Total related party finance costs | (143,209) |  | (5,782) |
Net related party finance income | (143,209) |  | 252,937 |
Net finance income/(costs) | £ (124,839) | £ 6,922 | £ 281,308 | £ (3,629)

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- Definition The gross gain arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2024-01-01 -Paragraph 52 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2024-en-r&anchor=para_52_a&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 35 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_35&doctype=Standard -URIDate 2024-03-27 + Details
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