| 404 Heligan House, Water Gardens Square, London, London | Leasehold | 63 m² | £250,000 (2008) |
| 423 Heligan House, Water Gardens Square, London | Leasehold | 69 m² | £421,000 (2013) |
| 426 Heligan House, Water Gardens Square, London, London | Leasehold | 67 m² | £308,750 (2007) |
| 443 Heligan House, Water Gardens Square, London, London | Leasehold | 72 m² | £365,000 (2007) |
| Flat 401, Heligan House, Water Gardens Square, London | Leasehold | 104 m² | £557,500 (2025) |
| Flat 402 Heligan House, Water Gardens Square, London | Leasehold | 87 m² | £536,500 (2017) |
| Flat 403, Heligan House, Water Gardens Square, London | Leasehold | 86 m² | £470,000 (2014) |
| Flat 405 Heligan House, Water Gardens Square, London | Leasehold | 65 m² | £340,000 (2008) |
| Flat 411, Heligan House, Water Gardens Square, London | Leasehold | 67 m² | £362,500 (2007) |
| Flat 412 Heligan House, Water Gardens Square, London | Leasehold | 73 m² | £365,000 (2007) |
| Flat 413 Heligan House, Water Gardens Square, London | Leasehold | 69 m² | £490,000 (2021) |
| Flat 414, Heligan House, Water Gardens Square, London | Leasehold | 64 m² | £297,000 (2007) |
| Flat 415, Heligan House, Water Gardens Square, London | Leasehold | 71 m² | £560,000 (2017) |
| Flat 416 Heligan House, Water Gardens Square, London | Leasehold | 66 m² | £540,000 (2023) |
| Flat 421, Heligan House, Water Gardens Square, London | Leasehold | 67 m² | £390,000 (2007) |
| Flat 422 Heligan House, Water Gardens Square, London | Leasehold | 70 m² | £580,000 (2018) |
| Flat 424, Heligan House, Water Gardens Square, London | Leasehold | 78 m² | £322,500 (2007) |
| Flat 425, Heligan House, Water Gardens Square, London | Leasehold | 71 m² | £525,000 (2024) |
| Flat 431, Heligan House, Water Gardens Square, London | Leasehold | 76 m² | £372,500 (2007) |
| Flat 432, Heligan House, Water Gardens Square, London | Leasehold | 78 m² | £362,500 (2007) |
| Flat 433, Heligan House, Water Gardens Square, London | Leasehold | 87 m² | £485,000 (2022) |
| Flat 434, Heligan House, Water Gardens Square, London | Leasehold | 68 m² | £327,500 (2007) |
| Flat 435, Heligan House, Water Gardens Square, London | Leasehold | 86 m² | £585,000 (2015) |
| Flat 436 Heligan House, Water Gardens Square, London | Leasehold | 67 m² | £500,000 (2022) |
| Flat 441 Heligan House, Water Gardens Square, London | Leasehold | 68 m² | £377,500 (2007) |
| Flat 442 Heligan House, Water Gardens Square, London | Leasehold | 72 m² | £367,100 (2007) |
| Flat 444 Heligan House, Water Gardens Square, London | Leasehold | 69 m² | £480,000 (2019) |
| Flat 445 Heligan House, Water Gardens Square, London | Leasehold | 82 m² | £359,500 (2007) |
| Flat 446 Heligan House, Water Gardens Square, London | Leasehold | 70 m² | £445,000 (2014) |
| Flat 451, Heligan House, Water Gardens Square, London | Leasehold | 98 m² | £570,000 (2015) |
| Flat 452, Heligan House, Water Gardens Square, London | Leasehold | 76 m² | £606,138 (2015) |
| Flat 453, Heligan House, Water Gardens Square, London | Leasehold | 92 m² | £590,000 (2024) |
| Flat 454 Heligan House, Water Gardens Square, London | Leasehold | 82 m² | £410,425 (2007) |
| Flat 461 Heligan House, Water Gardens Square, London | Leasehold | 73 m² | £455,000 (2011) |
| Flat 462 Heligan House, Water Gardens Square, London | Leasehold | 86 m² | £451,412 (2007) |
| Flat 463 Heligan House, Water Gardens Square, London | Leasehold | 88 m² | £451,412 (2007) |
| Flat 464, Heligan House, Water Gardens Square, London | Leasehold | 74 m² | £625,000 (2015) |
| Flat 471 Heligan House, Water Gardens Square, London | Leasehold | 98 m² | £620,000 (2012) |
| Flat 472, Heligan House, Water Gardens Square, London | Leasehold | 129 m² | £750,000 (2009) |
