| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (new) |  | Harry Potter and the Chamber of Secrets (2002) | £18,871,829 | £18,871,829 | £18,871,829 | new | 1 |
| 2 (1) |  | 28 Days Later (2002) | £768,687 | £1,339,774 | £4,678,281 | -28% | 3 |
| 3 (2) |  | Mr. Deeds (2002) | £627,416 | £903,153 | £2,864,991 | -16% | 3 |
| 4 (3) |  | xXx (2002) | £442,154 | £715,762 | £11,225,740 | -29% | 5 |
| 5 (4) |  | Changing Lanes (2002) | £413,860 | £704,221 | £2,460,294 | -26% | 3 |
| 6 (5) |  | Lilo & Stitch (2002) | £274,268 | £342,130 | £12,599,677 | -28% | 7 |
| 7 (new) |  | Super Troopers (2002) | £269,696 | £269,696 | £269,696 | new | 1 |
| 8 (7) |  | Rabbit Proof Fence (2002) | £229,410 | £385,309 | £607,067 | 3% | 2 |
| 9 (6) |  | My Big Fat Greek Wedding (2002) | £224,118 | £471,826 | £13,174,182 | -19% | 9 |
| 10 (new) |  | Bowling For Columbine (2002) | £157,898 | £157,898 | £157,898 | new | 1 |
| 11 (8) |  | Red Dragon (2002) | £110,013 | £286,086 | £9,511,130 | -38% | 6 |
| 12 (10) |  | Donnie Darko (2002) | £103,147 | £195,121 | £942,307 | -20% | 4 |
| 13 (9) |  | Orange County (2002) | £80,984 | £158,456 | £325,507 | -52% | 2 |
| 14 (11) |  | The Magdalene Sisters (2002) | £62,169 | £128,697 | £552,010 | -16% | 3 |
| 15 (12) |  | Morvern Callar (2002) | £36,556 | £69,407 | £248,444 | -31% | 3 |