| 3B Sidney Avenue, Southgate | - | 88 m² | - |
| 7, Sidney Avenue, London | - | 79 m² | - |
| 9 Sidney Avenue, London | Freehold | 72 m² | £65,000 (1996) |
| 9A Sidney Avenue, Southgate | Leasehold | 90 m² | £52,500 (1995) |
| 13 Sidney Avenue, London | Freehold | 198 m² | £800,000 (2025) |
| 17, Sidney Avenue, London | Leasehold | 40 m² | £169,950 (2010) |
| 17A Sidney Avenue, London | Leasehold | 38 m² | £264,000 (2015) |
| 17B Sidney Avenue, London | Leasehold | 38 m² | £180,000 (2011) |
| 17C Sidney Avenue, Southgate | Leasehold | 58 m² | £400,000 (2025) |
| 19 Sidney Avenue, Southgate, Southgate | Freehold | 190 m² | £150,000 (1998) |
| 21, Sidney Avenue, London | - | 92 m² | - |
| 21A Sidney Avenue, London | - | 81 m² | - |
| 21B Sidney Avenue, London | - | 47 m² | - |
| 23A Sidney Avenue, Southgate | Leasehold | 50 m² | £255,000 (2026) |
| 23B Sidney Avenue, Southgate | - | 38 m² | - |
| 23C Sidney Avenue, London | Leasehold | 59 m² | £109,000 (2000) |
| 23D Sidney Avenue, London | Leasehold | 35 m² | £288,000 (2018) |
| 27B Sidney Avenue, Southgate | Leasehold | 46 m² | £275,000 (2022) |
| 27C Sidney Avenue, Southgate | Leasehold | 37 m² | £285,000 (2022) |
| 27D Sidney Avenue, Southgate | Leasehold | 50 m² | £155,000 (2003) |
| 29A Sidney Avenue, Southgate | - | 42 m² | - |
| 29B Sidney Avenue, Southgate | - | 42 m² | - |
| 29C Sidney Avenue, Southgate | - | 39 m² | - |
| 29D Sydney Avenue, Southgate | - | 47 m² | - |
| 31, Sidney Avenue, London | Leasehold | 38 m² | £240,000 (2021) |
| 31A Sidney Avenue, Southgate | Leasehold | 38 m² | £64,000 (1998) |
| 31C Sidney Avenue, Southgate | Leasehold | 50 m² | £326,500 (2015) |
| 33 Sidney Avenue, London | Freehold | 166 m² | £800,000 (2024) |
| 35B Sidney Avenue, Southgate | - | 29 m² | - |
| 35D Sidney Avenue, London | - | 38 m² | - |
| 39, Sidney Avenue, London | Freehold | 229 m² | £755,000 (2017) |
| 41 Sidney Avenue, London | Freehold | 185 m² | £790,000 (2024) |
| 45A Sidney Avenue, London | - | 77 m² | - |
| 45B Sidney Avenue, London | Leasehold | 133 m² | £270,000 (2013) |
| Flat 1, 1 Sidney Avenue, London | Leasehold | 44 m² | £240,000 (2015) |
| Flat 1, 3 Sidney Avenue, London | Leasehold | 48 m² | £188,000 (2011) |
| Flat 1, 5 Sidney Avenue, London | - | 42 m² | - |
| Flat 1, 15 Sidney Road, London | Leasehold | 44 m² | £158,000 (2006) |
| Flat 1, 25 Sidney Avenue, Southgate | - | 42 m² | - |
| Flat 2, 1 Sidney Avenue, London | Leasehold | 30 m² | £200,000 (2015) |
| Flat 2, 5 Sidney Avenue, London | - | 39 m² | - |
| Flat 2, 15 Sidney Avenue, Palmers Green, London | Leasehold | 43 m² | £107,000 (2002) |
| Flat 2, 25 Sidney Avenue, London | - | 44 m² | - |
| Flat 3, 5 Sidney Avenue, London | - | 35 m² | - |
| Flat 3, 15 Sidney Avenue, London | Leasehold | 30 m² | £80,000 (2002) |
| Flat 3, 25 Sidney Avenue, Southgate | - | 35 m² | - |
| Flat 4, 1 Sidney Avenue, London | Leasehold | 33 m² | £187,000 (2014) |
| Flat 4, 5 Sidney Avenue, London | - | 50 m² | - |
| Flat 4, 15 Sidney Avenue, London | - | 59 m² | - |
| Flat 4, 25 Sidney Avenue, Southgate | - | 37 m² | - |
| Flat 5, 1 Sidney Avenue, London | Leasehold | 58 m² | £230,000 (2015) |
| Flat 5, 25 Sidney Avenue, Southgate | - | 73 m² | - |
