| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The World Is Not Enough (1999) | £1,389,490 | £2,351,795 | £19,074,089 | -40% | 4 |
| 2 (new) |  | Inspector Gadget (1999) | £875,923 | £875,923 | £875,923 | new | 1 |
| 3 (2) |  | End of Days (1999) | £648,272 | £1,212,336 | £2,582,353 | -53% | 2 |
| 4 (3) |  | The Sixth Sense (1999) | £585,763 | £967,194 | £18,800,903 | -31% | 7 |
| 5 (5) |  | East Is East (1999) | £338,467 | £593,279 | £6,375,432 | -32% | 7 |
| 6 (new) |  | Anna and the King (1999) | £317,621 | £317,621 | £317,621 | new | 1 |
| 7 (4) | | October Sky (1999) | £206,585 | £206,585 | £785,024 | -64% | 2 |
| 8 (new) |  | The Iron Giant (1999) | £196,079 | £196,079 | £196,079 | new | 1 |
| 9 (8) |  | Fight Club (1999) | £113,525 | £242,331 | £5,235,642 | -46% | 6 |
| 10 (7) |  | Tarzan (1999) | £110,751 | £169,411 | £16,972,421 | -55% | 11 |
| 11 (6) |  | Guest House Paradiso (1999) | £100,684 | £215,043 | £1,394,596 | -63% | 3 |
| 12 (10) | | Agnes Browne (1999) | £50,813 | £95,793 | £168,185 | -30% | 2 |
| 13 (9) |  | American Pie (1999) | £47,063 | £92,112 | £13,833,890 | -40% | 11 |
| 14 (11) |  | The Limey (1999) | £41,151 | £71,098 | £137,217 | -38% | 2 |
| 15 (12) |  | The Straight Story (1999) | £39,944 | £76,243 | £215,501 | -35% | 3 |