The following are the major deferred tax assets and (liabilities) recognised by the Group and movements thereon during the current and prior reporting period.
| £ Millions | Accelerated
tax
depreciation | Intangible assets
amortisation | Share-
based
payment | Capitalised
development
costs | Other
temporary
differences | Total |
| At 1 January 2017 | (0.7) | (1.5) | 0.4 | (3.7) | 1.2 | (4.3) |
| Charge/(credit) to statement of comprehensive income | – | 0.6 | (0.1) | 0.1 | (0.4) | 0.2 |
| Charge to equity | – | – | 1.1 | – | – | 1.1 |
| Foreign currency translation | – | 0.1 | – | 0.2 | (0.1) | 0.2 |
| At 31 December 2017 | (0.7) | (0.8) | 1.4 | (3.4) | 0.7 | (2.8) |
| Charge/(credit) to statement of comprehensive income | – | – | 0.1 | (0.8) | 0.4 | (0.3) |
| Charge to equity | – | – | (0.9) | – | – | (0.9) |
| Foreign currency translation | 0.1 | (0.1) | – | (0.2) | 0.1 | (0.1) |
| At 31 December 2018 | (0.6) | (0.9) | 0.6 | (4.4) | 1.2 | (4.1) |
| £ Millions | 2018 | 2017 |
| Deferred tax assets | | |
| – To be recovered after more than 12 months | 0.6 | 1.4 |
| 0.6 | 1.4 |
| Deferred tax liabilities | | |
| – To be settled after more than 12 months | (4.7) | (4.2) |
| (4.7) | (4.2) |
| Deferred tax liabilities (net) | (4.1) | (2.8) |