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Finance and investment income, finance costs and revaluation and retranslation of financial instruments (Tables) | 6 Months Ended
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Jun. 30, 2022
Finance and investment income, finance costs and revaluation and retranslation of financial instruments [Abstract] |
Summary of Finance and investment income, finance costs and revaluation and retranslation of financial instruments | Finance and investment income includes:
| Six months ended 30 June 2022 |  | Six months ended 30 June 2021
| £m |  | £m
Income from equity investments | 20.1 |  |  | 5.0 |
Interest income | 35.4 |  |  | 25.1 |
| 55.5 |  |  | 30.1 |
Finance costs include:
| Six months ended 30 June 2022 |  | Six months ended 30 June 2021
| £m |  | £m
Interest payable and similar charges | 98.9 |  |  | 101.5 |
Interest expense related to lease liabilities | 46.0 |  |  | 45.7 |
| 144.9 |  |  | 147.2 |
Revaluation and retranslation of financial instruments include:
| Six months ended 30 June 2022 |  | Six months ended 30 June 2021
| £m |  | £m
Movements in fair value of treasury instruments | 1.9 |  |  | 4.7 |
Premium on the early repayment of bonds | — |  |  | (13.1) |
Revaluation of investments held at fair value through profit or loss | 9.0 |  |  | 30.5 |
Revaluation of put options over non-controlling interests | 19.6 |  |  | (44.4) |
Revaluation of payments due to vendors (earnout agreements) | (1.1) |  |  | (9.4) |
Retranslation of financial instruments | 3.7 |  |  | 19.6 |
| 33.1 |  |  | (12.1) |

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