Housemates are allowed to walk at any time from the Big Brother house. When a housemate wishes to walk, they must go to the Diary Room and explain their wishes to Big Brother.
You can read the Big Brother rules in their entirety here.
| Housemate | Series | Day | Method |
| Sunita Sharma | Big Brother3 | Day 7 | Diary Room |
| Sandy Cumming | Big Brother 3 | Day 20 | Scaled Garden Wall |
| Orlaith McAllister | Big Brother 6 | Day 65 | Diary Room |
| Shahbaz Chauhdry | Big Brother 7 | Day 6 | Diary Room |
| George Askew | Big Brother 7 | Day 13 | Diary Room |
| Lesley Brain | Big Brother 8 | Day 11 | Diary Room |
| Jonathan Durden | Big Brother 8 | Day 35 | Diary Room |
| Chanelle Hayes | Big Brother 8 | Day 62 | Diary Room |
| Maysoon Shaladi | Big Brother 9 | Day 56 | Diary Room |
| Saffia Corden | Big Brother 10 | Day 8 | Diary Room |
| Kenneth Tong | Big Brother 10 | Day 50 | Scaled Garden Wall |
| Tom Oliver | Big Brother 10 | Day 53 | Diary Room |
| Isaac Stout | Big Brother 10 | Day 58 | Diary Room |
| Shabby Katchadourian | Big Brother 11 | Day 27 | Diary Room |
| Caoimhe Guilfoyle | Big Brother 11 | Day 42 | Diary Room |
| Keeley Johnson | Big Brother 11 | Day 45 | Diary Room |
| Laura McAdam | Big Brother 11 | Day 50 | Garden Fire Exit |
| Mark Henderson | Big Brother 12 | Day 27 | Diary Room |
| Jem Palmer | Big Brother 12 | Day 48 | Diary Room |
| Conor McIntyre | Big Brother 13 | Day 60 | Front Door |
| Kimberly Kisselovich | Big Brother 15 | Day 44 | Diary Room |
| Victoria Jensen | Big Brother 17 | Day 5 | Fire Exit |
| Arthur Fulford | Big Brother 18 | Day 7 | Diary Room |
| Sukhvinder Javeed | Big Brother 18 | Day 12 | Front Door |
| Kay Lovelle | Big Brother 19 | Day 19 | Diary Room |
