| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | The Lego Ninjago Movie (2017) | £3,642,038 | £3,642,038 | £3,642,038 | new | 1 |
| 2 (1) |  | Blade Runner 2049 (2017) | £3,098,872 | £6,113,203 | £12,184,828 | -49% | 2 |
| 3 (new) |  | The Snowman (2017) | £1,377,909 | £1,377,909 | £1,377,909 | new | 1 |
| 4 (2) |  | Kingsman: The Golden Circle (2017) | £1,347,964 | £2,322,793 | £21,781,664 | -36% | 4 |
| 5 (new) |  | Botoks (2017) | £792,957 | £792,957 | £792,957 | new | 1 |
| 6 (4) |  | The Mountain Between Us (2017) | £484,243 | £983,635 | £1,761,281 | -38% | 2 |
| 7 (new) | | The Ritual (2017) | £424,352 | £424,352 | £424,352 | new | 1 |
| 8 (3) |  | IT (2017) | £413,359 | £786,553 | £31,748,050 | -49% | 6 |
| 9 (new) |  | Loving Vincent (2017) | £274,036 | £274,036 | £274,036 | new | 1 |
| 10 (new) |  | The Party (2017) | £234,985 | £234,985 | £234,985 | new | 1 |
| 11 (5) |  | Victoria and Abdul (2017) | £224,175 | £760,305 | £8,993,612 | -52% | 5 |
| 12 (new) | | Die Zauberflöte: Met Opera 2017 (2017) | £213,605 | £213,605 | £213,605 | new | 1 |
| 13 (6) |  | Goodbye Christopher Robin (2017) | £206,597 | £543,484 | £2,288,085 | -48% | 3 |
| 14 (14) |  | Despicable Me 3 (2017) | £119,250 | £127,436 | £47,191,580 | 27% | 16 |
| 15 (11) |  | Captain Underpants: The First Epic Movie (2017) | £72,455 | £80,831 | £8,100,263 | -32% | 11 |