| Flat 3 Horizon Building, 15, Hertsmere Road, London | Leasehold | 50 m² | £550,000 (2015) |
| Flat 4, Horizon Building, 15 Hertsmere Road, London | Leasehold | 51 m² | £325,000 (2025) |
| Flat 5 Horizon Building, 15, Hertsmere Road, London | Leasehold | 51 m² | £355,000 (2020) |
| Flat 6, Horizon Building, 15 Hertsmere Road, London | Leasehold | 78 m² | £450,000 (2007) |
| Flat 7, Horizon Building, 15 Hertsmere Road, London | Leasehold | 83 m² | £350,000 (2005) |
| Flat 8 Horizon Building, 15, Hertsmere Road, London | Leasehold | 51 m² | £362,500 (2025) |
| Flat 9 Horizon Building, 15, Hertsmere Road, London | Leasehold | 60 m² | £184,950 (2001) |
| Flat 10, Horizon Building, 15 Hertsmere Road, London | Leasehold | 90 m² | £520,000 (2014) |
| Flat 11 Horizon Building, 15, Hertsmere Road, London | Leasehold | 84 m² | £550,000 (2023) |
| Flat 12, Horizon Building, 15 Hertsmere Road, London | Leasehold | 52 m² | £285,000 (2010) |
| Flat 13, Horizon Building, 15 Hertsmere Road, London | Leasehold | 38 m² | £400,000 (2025) |
| Flat 14, Horizon Building, 15 Hertsmere Road, London | Leasehold | 80 m² | £420,500 (2011) |
| Flat 15 Horizon Building, 15, Hertsmere Road, London | Leasehold | 84 m² | £400,000 (2010) |
| Flat 16, Horizon Building, 15 Hertsmere Road, London | Leasehold | 54 m² | £299,950 (2007) |
| Flat 17, Horizon Building, 15 Hertsmere Road, London | Leasehold | 57 m² | £194,500 (2001) |
| Flat 18, Horizon Building, 15 Hertsmere Road, London | Leasehold | 82 m² | £400,000 (2007) |
| Flat 19 Horizon Building, 15, Hertsmere Road, London | Leasehold | 83 m² | £571,000 (2023) |
| Flat 20 Horizon Building, 15, Hertsmere Road, London | Leasehold | 52 m² | £425,000 (2025) |
| Flat 21, Horizon Building, 15 Hertsmere Road, London | Leasehold | 57 m² | £295,000 (2006) |
| Flat 22 Horizon Building, 15, Hertsmere Road, London | Leasehold | 84 m² | £304,950 (2001) |
| Flat 23, Horizon Building, 15 Hertsmere Road, London | Leasehold | 84 m² | £625,000 (2024) |
| Flat 24, Horizon Building, 15 Hertsmere Road, London | Leasehold | 52 m² | £345,000 (2009) |
| Flat 25 Horizon Building, 15, Hertsmere Road, London | Leasehold | 57 m² | £520,000 (2019) |
| Flat 26 Horizon Building, 15, Hertsmere Road, London | Leasehold | 84 m² | £365,000 (2006) |
| Flat 27 Horizon Building, 15, Hertsmere Road, London | Leasehold | 84 m² | £329,950 (2001) |
| Flat 28 Horizon Building, 15, Hertsmere Road, London | Leasehold | 52 m² | £400,000 (2023) |
| Flat 29 Horizon Building, 15, Hertsmere Road, London | Leasehold | 57 m² | £395,000 (2013) |
| Flat 30 Horizon Building, 15, Hertsmere Road, London | Leasehold | 80 m² | £570,000 (2021) |
| Flat 31, Horizon Building, 15 Hertsmere Road, London | Leasehold | 81 m² | £517,500 (2025) |
| Flat 32 Horizon Building, 15, Hertsmere Road, London | Leasehold | 54 m² | £510,000 (2018) |
| Flat 33, Horizon Building, 15 Hertsmere Road, London | Leasehold | 57 m² | £270,000 (2005) |
| Flat 34 Horizon Building, 15, Hertsmere Road, London | Leasehold | 79 m² | £620,000 (2019) |
| Flat 35, Horizon Building, 15 Hertsmere Road, London | Leasehold | 84 m² | £500,000 (2026) |
| Flat 36, Horizon Building, 15 Hertsmere Road, London | Leasehold | 113 m² | £885,000 (2023) |
| Flat 37 Horizon Building, 15, Hertsmere Road, London | Leasehold | 77 m² | £637,500 (2017) |
| Flat 38 Horizon Building, 15, Hertsmere Road, London | Leasehold | 159 m² | £563,750 (2001) |
| Flat 39, Horizon Building, 15 Hertsmere Road, London | Leasehold | 88 m² | £389,950 (2001) |
| Flat 40 Horizon Building, 15, Hertsmere Road, London | Leasehold | 91 m² | £1,508,600 (2018) |
| Flat 41, Horizon Building, 15 Hertsmere Road, London | Leasehold | 145 m² | £570,000 (2001) |
| Flat 42, Horizon Building, 15 Hertsmere Road, London | Leasehold | 244 m² | £1,508,600 (2018) |
