| Apartment 1 Harcourt House, 19, Cavendish Square, London | Leasehold | 106 m² | £2,850,000 (2022) |
| Apartment 2 Harcourt House, 19, Cavendish Square, London | Leasehold | 355 m² | £10,187,500 (2021) |
| Apartment 3 Harcourt House, 19, Cavendish Square, London | Leasehold | 369 m² | £10,187,500 (2021) |
| Apartment 4 Harcourt House, 19, Cavendish Square, London | Leasehold | 369 m² | £10,187,500 (2021) |
| Apartment 5 Harcourt House, 19, Cavendish Square, London | Leasehold | 365 m² | £10,187,500 (2021) |
| Apartment 6 Harcourt House, 19, Cavendish Square, London | Leasehold | 241 m² | £8,100,000 (2022) |
| Apartment 7 Harcourt House, 19, Cavendish Square, London | Leasehold | 247 m² | £8,000,000 (2021) |
| Apartment 8 Harcourt House, 19, Cavendish Square, London | Leasehold | 247 m² | £7,700,000 (2021) |
| Apartment 9 Harcourt House, 19, Cavendish Square, London | Leasehold | 249 m² | £7,850,000 (2020) |
| Apartment 10 Harcourt House, 19, Cavendish Square, London | Leasehold | 224 m² | £7,400,000 (2022) |
| Apartment 11 Harcourt House, 19, Cavendish Square, London | Leasehold | 233 m² | £7,400,000 (2022) |
| Apartment 12 Harcourt House, 19, Cavendish Square, London | Leasehold | 233 m² | £7,365,000 (2022) |
| Apartment 13 Harcourt House, 19, Cavendish Square, London | - | 224 m² | - |
| Apartment 14 Harcourt House, 19, Cavendish Square, London | Leasehold | 292 m² | £9,650,000 (2021) |
| Apartment 15 Harcourt House, 19, Cavendish Square, London | Leasehold | 297 m² | £9,650,000 (2021) |
| Apartment 16 Harcourt House, 19, Cavendish Square, London | Leasehold | 297 m² | £9,650,000 (2021) |
| Apartment 17 Harcourt House, 19, Cavendish Square, London | Leasehold | 301 m² | £9,650,000 (2021) |
| Apartment 18 Harcourt House, 19, Cavendish Square, London | Leasehold | 182 m² | £5,600,000 (2023) |
| Apartment 19 Harcourt House, 19, Cavendish Square, London | Freehold | 180 m² | £240,000 (2024) |
| Apartment 20 Harcourt House, 19, Cavendish Square, London | Leasehold | 180 m² | £5,500,000 (2022) |
| Apartment 21 Harcourt House, 19, Cavendish Square, London | Leasehold | 188 m² | £5,500,000 (2020) |
| Apartment 22 Harcourt House, 19, Cavendish Square, London | Leasehold | 167 m² | £5,900,000 (2021) |
| Apartment 23 Harcourt House, 19, Cavendish Square, London | Leasehold | 252 m² | £12,621,255 (2021) |
| Apartment 24 Harcourt House, 19, Cavendish Square, London | Leasehold | 252 m² | £12,000,000 (2020) |
| Apartment 25 Harcourt House, 19, Cavendish Square, London | Leasehold | 167 m² | £5,800,000 (2025) |
