| Flat 1 Countess House, 10, Park Street, London | Leasehold | 99 m² | £1,330,000 (2016) |
| Flat 2, Countess House, 10 Park Street, London | Leasehold | 125 m² | £1,599,950 (2016) |
| Flat 3 Countess House, 10, Park Street, London | - | 51 m² | - |
| Flat 4 Countess House, 10, Park Street, London | - | 70 m² | - |
| Flat 5, Countess House, 10 Park Street, London | Leasehold | 93 m² | £775,000 (2026) |
| Flat 6 Countess House, 10, Park Street, London | Leasehold | 45 m² | £575,950 (2016) |
| Flat 7 Countess House, 10, Park Street, London | Leasehold | 88 m² | £1,100,000 (2016) |
| Flat 8 Countess House, 10, Park Street, London | - | 98 m² | - |
| Flat 9 Countess House, 10, Park Street, London | - | 61 m² | - |
| Flat 11, Countess House, 10 Park Street, London | - | 43 m² | - |
| Flat 12 Countess House, 10, Park Street, London | - | 40 m² | - |
| Flat 13 Countess House, 10, Park Street, London | Leasehold | 62 m² | £705,000 (2016) |
| Flat 14 Countess House, 10, Park Street, London | Leasehold | 90 m² | £1,120,950 (2016) |
| Flat 15, Countess House, 10 Park Street, London | Leasehold | 45 m² | £542,800 (2016) |
| Flat 16 Countess House, 10, Park Street, London | - | 88 m² | - |
| Flat 17 Countess House, 10, Park Street, London | Leasehold | 98 m² | £1,250,000 (2016) |
| Flat 18 Countess House, 10, Park Street, London | - | 61 m² | - |
| Flat 19 Countess House, 10, Park Street, London | Leasehold | 40 m² | £238,960 (2021) |
| Flat 20 Countess House, 10, Park Street, London | - | 41 m² | - |
| Flat 21 Countess House, 10, Park Street, London | - | 40 m² | - |
| Flat 22 Countess House, 10, Park Street, London | Leasehold | 62 m² | £680,000 (2018) |
| Flat 23 Countess House, 10, Park Street, London | Leasehold | 90 m² | £1,133,954 (2016) |
| Flat 24, Countess House, 10 Park Street, London | Leasehold | 47 m² | £594,952 (2016) |
| Flat 25 Countess House, 10, Park Street, London | Leasehold | 88 m² | £1,200,000 (2016) |
| Flat 26, Countess House, 10 Park Street, London | Leasehold | 97 m² | £1,270,000 (2016) |
| Flat 27 Countess House, 10, Park Street, London | - | 61 m² | - |
| Flat 28 Countess House, 10, Park Street, London | - | 40 m² | - |
| Flat 29 Countess House, 10, Park Street, London | Leasehold | 41 m² | £234,600 (2025) |
| Flat 30 Countess House, 10, Park Street, London | - | 40 m² | - |
| Flat 31 Countess House, 10, Park Street, London | Leasehold | 62 m² | £731,452 (2016) |
| Flat 32 Countess House, 10, Park Street, London | Leasehold | 90 m² | £1,130,000 (2016) |
| Flat 33 Countess House, 10, Park Street, London | Leasehold | 136 m² | £1,999,950 (2016) |
| Flat 34, Countess House, 10 Park Street, London | Leasehold | 113 m² | £1,499,950 (2016) |
| Flat 35 Countess House, 10, Park Street, London | Leasehold | 51 m² | £229,515 (2020) |
| Flat 36 Countess House, 10, Park Street, London | Leasehold | 40 m² | £202,500 (2021) |
| Flat 37, Countess House, 10 Park Street, London | Leasehold | 40 m² | £551,950 (2016) |
| Flat 38 Countess House, 10, Park Street, London | - | 40 m² | - |
| Flat 39 Countess House, 10, Park Street, London | Leasehold | 62 m² | £738,000 (2016) |
| Flat 40 Countess House, 10, Park Street, London | Leasehold | 90 m² | £1,239,950 (2016) |
| Flat 41 Countess House, 10, Park Street, London | Leasehold | 133 m² | £2,349,950 (2016) |
| Flat 42 Countess House, 10, Park Street, London | Leasehold | 109 m² | £1,499,950 (2016) |
| Flat 43 Countess House, 10, Park Street, London | - | 51 m² | - |
| Flat 44 Countess House, 10, Park Street, London | - | 80 m² | - |
| Flat 45 Countess House, 10, Park Street, London | Leasehold | 105 m² | £1,399,950 (2016) |
| Flat 46, Countess House, 10 Park Street, London | Leasehold | 81 m² | £1,139,950 (2016) |
| Flat 47 Countess House, 10, Park Street, London | Leasehold | 205 m² | £5,599,950 (2016) |
| Flat 48 Countess House, 10, Park Street, London | Leasehold | 312 m² | £6,099,950 (2016) |
| Flat 49, Countess House, 10 Park Street, London | - | 81 m² | - |