| Apartment 101, Pyrene House, Clayponds Lane, Brentford | Leasehold | 73 m² | £307,000 (2012) |
| Apartment 101, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 102, Pyrene House, Clayponds Lane, Brentford | Leasehold | 42 m² | £330,000 (2015) |
| Apartment 102, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 103, Pyrene House, Clayponds Lane, Brentford | Leasehold | 72 m² | £475,000 (2022) |
| Apartment 103, Simmonds House, Clayponds Lane, Brentford | - | 28 m² | - |
| Apartment 105, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment 106, Simmonds House, Clayponds Lane, Brentford | - | 44 m² | - |
| Apartment 107, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment 108, Simmonds House, Clayponds Lane, Brentford | - | 41 m² | - |
| Apartment 109, Simmonds House, Clayponds Lane, Brentford | - | 43 m² | - |
| Apartment 110, Simmonds House, Clayponds Lane, Brentford | - | 80 m² | - |
| Apartment 111, Simmonds House, Clayponds Lane, Brentford | - | 42 m² | - |
| Apartment 201 Pyrene House, Clayponds Lane, Brentford | Leasehold | 73 m² | £315,000 (2012) |
| Apartment 201, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 202, Pyrene House, Clayponds Lane, Brentford | Leasehold | 42 m² | £315,000 (2021) |
| Apartment 202, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 203, Pyrene House, Clayponds Lane, Brentford | Leasehold | 72 m² | £312,500 (2012) |
| Apartment 203, Simmonds House, Clayponds Lane, Brentford | - | 28 m² | - |
| Apartment 205, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment 206, Simmonds House, Clayponds Lane, Brentford | - | 44 m² | - |
| Apartment 207, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment 208, Simmonds House, Clayponds Lane, Brentford | - | 41 m² | - |
| Apartment 209, Simmonds House, Clayponds Lane, Brentford | - | 43 m² | - |
| Apartment 210, Simmonds House, Clayponds Lane, Brentford | - | 80 m² | - |
| Apartment 211, Simmonds House, Clayponds Lane, Brentford | - | 42 m² | - |
| Apartment 301, Pyrene House, Clayponds Lane, Brentford | Leasehold | 71 m² | £318,000 (2012) |
| Apartment 301, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 302, Pyrene House, Clayponds Lane, Brentford | Leasehold | 42 m² | £327,500 (2019) |
| Apartment 302, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 303 Pyrene House, Clayponds Lane, Brentford | Leasehold | 73 m² | £310,000 (2012) |
| Apartment 303, Simmonds House, Clayponds Lane, Brentford | - | 28 m² | - |
| Apartment 305, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment 306, Simmonds House, Clayponds Lane, Brentford | - | 66 m² | - |
| Apartment 307, Simmonds House, Clayponds Lane, Brentford | - | 65 m² | - |
| Apartment 308, Simmonds House, Clayponds Lane, Brentford | - | 67 m² | - |
| Apartment 309, Simmonds House, Clayponds Lane, Brentford | - | 80 m² | - |
| Apartment 310, Simmonds House, Clayponds Lane, Brentford | - | 42 m² | - |
| Apartment 401, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 402, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 403, Simmonds House, Clayponds Lane, Brentford | - | 28 m² | - |
| Apartment 405, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment 406, Simmonds House, Clayponds Lane, Brentford | - | 66 m² | - |
| Apartment 407, Simmonds House, Clayponds Lane, Brentford | - | 65 m² | - |
| Apartment 408, Simmonds House, Clayponds Lane, Brentford | - | 67 m² | - |
| Apartment 409, Simmonds House, Clayponds Lane, Brentford | - | 80 m² | - |
| Apartment 410, Simmonds House, Clayponds Lane, Brentford | - | 42 m² | - |
| Apartment 501, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 502, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 503, Simmonds House, Clayponds Lane, Brentford | - | 47 m² | - |
| Apartment 504, Simmonds House, Clayponds Lane, Brentford | - | 73 m² | - |
| Apartment 505, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment 506, Simmonds House, Clayponds Lane, Brentford | - | 41 m² | - |
| Apartment 507, Simmonds House, Clayponds Lane, Brentford | - | 43 m² | - |
| Apartment 508, Simmonds House, Clayponds Lane, Brentford | - | 80 m² | - |
| Apartment 509, Simmonds House, Clayponds Lane, Brentford | - | 42 m² | - |
| Apartment 601, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 602, Simmonds House, Clayponds Lane, Brentford | - | 39 m² | - |
| Apartment 603, Simmonds House, Clayponds Lane, Brentford | - | 47 m² | - |
| Apartment 604, Simmonds House, Clayponds Lane, Brentford | - | 73 m² | - |
| Apartment 605, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment 606, Simmonds House, Clayponds Lane, Brentford | - | 41 m² | - |
| Apartment 607, Simmonds House, Clayponds Lane, Brentford | - | 43 m² | - |
| Apartment 608, Simmonds House, Clayponds Lane, Brentford | - | 80 m² | - |
| Apartment 609, Simmonds House, Clayponds Lane, Brentford | - | 42 m² | - |
| Apartment G01, Pyrene House, Clayponds Lane, Brentford | Leasehold | 86 m² | £360,000 (2012) |
| Apartment G01, Simmonds House, Clayponds Lane, Brentford | - | 70 m² | - |
| Apartment G02, Pyrene House, Clayponds Lane, Brentford | Leasehold | 89 m² | £610,000 (2021) |
| Apartment G02, Simmonds House, Clayponds Lane, Brentford | - | 28 m² | - |
| Apartment G04, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment G05, Simmonds House, Clayponds Lane, Brentford | - | 44 m² | - |
| Apartment G06, Simmonds House, Clayponds Lane, Brentford | - | 69 m² | - |
| Apartment G07, Simmonds House, Clayponds Lane, Brentford | - | 41 m² | - |
| Apartment G08, Simmonds House, Clayponds Lane, Brentford | - | 43 m² | - |
| Apartment G09, Simmonds House, Clayponds Lane, Brentford | - | 80 m² | - |
| Apartment G10, Simmonds House, Clayponds Lane, Brentford | - | 42 m² | - |