| Flat 1, 1, Helmsley Street, London | Leasehold | 57 m² | £550,000 (2024) |
| Flat 2, 1, Helmsley Street, London | Leasehold | 52 m² | £540,000 (2017) |
| Flat 3, 1, Helmsley Street, London | Leasehold | 72 m² | £615,000 (2024) |
| Flat 4, 1, Helmsley Street, London | Leasehold | 52 m² | £570,000 (2021) |
| Flat 5, 1, Helmsley Street, London | Leasehold | 90 m² | £825,000 (2019) |
| Flat 6, 1, Helmsley Street, London | Leasehold | 63 m² | £600,000 (2017) |
| Flat 7, 1, Helmsley Street, London | Leasehold | 52 m² | £540,000 (2017) |
| Flat 8, 1, Helmsley Street, London | Leasehold | 72 m² | £687,500 (2021) |
| Flat 9, 1, Helmsley Street, London | Leasehold | 53 m² | £575,000 (2018) |
| Flat 10, 1, Helmsley Street, London | Leasehold | 91 m² | £840,000 (2020) |
| Flat 11, 1, Helmsley Street, London | Leasehold | 63 m² | £635,000 (2017) |
| Flat 12, 1, Helmsley Street, London | Leasehold | 52 m² | £528,000 (2021) |
| Flat 13, 1, Helmsley Street, London | Leasehold | 72 m² | £700,000 (2022) |
| Flat 14, 1, Helmsley Street, London | Leasehold | 53 m² | £575,000 (2022) |
| Flat 15, 1, Helmsley Street, London | Leasehold | 91 m² | £815,000 (2018) |
| Flat 16, 1, Helmsley Street, London | Leasehold | 63 m² | £591,500 (2025) |
| Flat 17, 1, Helmsley Street, London | Leasehold | 52 m² | £547,500 (2017) |
| Flat 18, 1, Helmsley Street, London | Leasehold | 72 m² | £720,000 (2024) |
| Flat 19, 1, Helmsley Street, London | Leasehold | 53 m² | £580,000 (2017) |
| Flat 20, 1, Helmsley Street, London | Leasehold | 91 m² | £815,000 (2019) |
| Flat 21, 1, Helmsley Street, London | Leasehold | 63 m² | £630,000 (2017) |
| Flat 22, 1, Helmsley Street, London | Leasehold | 52 m² | £497,000 (2017) |
| Flat 23, 1, Helmsley Street, London | Leasehold | 72 m² | £666,000 (2017) |
| Flat 24, 1, Helmsley Street, London | Leasehold | 53 m² | £600,000 (2023) |
| Flat 25, 1, Helmsley Street, London | Leasehold | 91 m² | £955,000 (2017) |
| Flat 26, 1, Helmsley Street, London | Leasehold | 107 m² | £1,035,000 (2019) |
| Flat 27, 1, Helmsley Street, London | Leasehold | 104 m² | £1,125,000 (2018) |
| Flat 28, 1, Helmsley Street, London | Leasehold | 103 m² | £1,050,000 (2020) |
| Flat 29, 1, Helmsley Street, London | Leasehold | 95 m² | £925,000 (2021) |