| Rank | 20-22 November 2020 | Weekend box office/ £ | Cumulative box office/ £ |
|---|---|---|---|
| 1 | Two By Two: Overboard! (eOne) | 3,422 | 994,099 |
| 2 | The Secret Garden (Sky Cinema) | 2,635 | 674,561 |
| 3 | Collective (Dogwoof) | 1,926 | 1,926 |
| 4 | Honest Thief (Signature) | 1,910 | 659,443 |
| 5 | A Christmas Gift From Bob (Lionsgate UK) | 1,758 | 6,076 |
| 6 | War Horse (NT Live) | 1,496 | 9,406 |
| 7 | The Kid Detective (Sony) | 1,478 | 1,478 |
| 8 | Tenet (Warner Bros) | 1,212 | 17,418,700 |
| 9 | Cats & Dogs: Paws Unite! (Warner Bros) | 1,212 | 1,379,358 |
| 10 | Grease (Park Circus) | 1,174 | 589,590 |
Source: comScore