2022 | 2021 | 2020 | 2019 | 2018 | |
| Revenue | 373,409 | 288,575 | 147,181 | 249,899 | 196,741 |
| Operating profit | 43,390 | 43,083 | 5,929 | 40,999 | 36,854 |
| Net finance (expense)/Income | (1,310) | (1,372) | (363) | 213 | 165 |
| Profit before tax | 42,620 | 41,711 | 5,566 | 41,212 | 37,019 |
| Tax charge | (7,531) | (7,839) | (758) | (7,648) | (6,526) |
| Profit after tax | 35,089 | 33,872 | 4,808 | 33,564 | 30,493 |
| Discontinued operations | - | - | (289) | (297) | (257) |
| Profit for the year | 35,089 | 33,872 | 4,519 | 33,267 | 30,236 |
| Total assets | 36 | 313,134 | 322,051 | 281,240 | 242,785 |
| Total liabilities | (95,382) | (68,203) | (109,446) | (77.344) | (54,686) |
| Net assets | 272,176 | 244,931 | 212,605 | 203,896 | 188,099 |
| pence | pence | pence | pence | pence | |
| Total dividend per share for the year | 18.0 | 15.0 | - | 34,5 | 32,0 |
| Earnings per share from continuing operations | 60.2 | 58.2 | 8.7 | 61.5 | 56.0 |
| Earnings per share - normalised* | 78.1 | 58.2 | 8.1 | 61.0 | 55.6 |
| Net assets per share | 467 | 420 | 366 | 374 | 345 |