British Box Office For March 2005
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Hitch | $33,371,422 | 449 | - | - | - | Mar 4 | - | Sony Pictures Releasing |
| 2 | Robots | $23,436,586 | 493 | $5,023,184 | 21.4% | 474 | Mar 18 | - | 20th Century Fox International |
| 3 | Valiant | $15,921,564 | 454 | $2,045,543 | 12.8% | 403 | Mar 25 | - | Entertainment Film Distributors |
| 4 | Constantine | $12,833,131 | 353 | $4,019,068 | 31.3% | 353 | Mar 18 | - | Warner Bros. |
| 5 | Miss Congeniality 2: Armed & Fabulous | $10,121,539 | 380 | $2,429,416 | 24% | 380 | Mar 25 | - | Warner Bros. |
| 6 | Hostage | $7,757,791 | 329 | $1,555,273 | 20% | 329 | Mar 11 | - | Entertainment Film Distributors |
| 7 | Boogeyman | $4,091,220 | 318 | $1,518,390 | 37.1% | 318 | Mar 4 | - | United International Pictures |
| 8 | Pooh's Heffalump Movie | $2,978,452 | 409 | $303,688 | 10.2% | 399 | Mar 18 | - | Buena Vista International |
| 9 | The Chorus 2005 Re-release | $2,062,908 | 66 | $255,566 | 12.4% | 64 | Mar 11 | - | Pathé |
| 10 | Melinda and Melinda | $1,393,699 | 55 | $241,169 | 17.3% | 53 | Mar 25 | - | 20th Century Fox International |
| 11 | Maria Full of Grace | $1,302,826 | 28 | $157,353 | 12.1% | 24 | Mar 25 | - | Icon Film Distribution Australia |
| 12 | Flight of the Phoenix | $1,057,535 | 270 | $562,362 | 53.2% | 270 | Mar 4 | - | 20th Century Fox International |
| 13 | Harold & Kumar Go to White Castle | $1,028,118 | 285 | $546,449 | 53.2% | 285 | Mar 4 | - | Icon Film Distribution Australia |
| 14 | The Machinist | $747,979 | 26 | $101,977 | 13.6% | 25 | Mar 18 | - | Tartan |
| 15 | Five Times Two | $733,783 | 17 | $139,113 | 19% | 16 | Mar 18 | - | UGC Distribution |
| 16 | Kinsey | $710,145 | 79 | $227,094 | 32% | 79 | Mar 4 | - | 20th Century Fox International |
| 17 | 9 Songs | $581,909 | 28 | $136,960 | 23.5% | 28 | Mar 11 | - | Optimum Releasing |
| 18 | Darkness | $460,149 | 242 | $193,824 | 42.1% | 242 | Mar 18 | - | Buena Vista International |
| 19 | Mickybo and Me | $456,150 | 28 | $89,406 | 19.6% | 28 | Mar 25 | - | Umut Sanat |
| 20 | Ma mère | $35,514 | - | - | - | - | Mar 4 | - | - |
