| 11, Porchester Square, London | - | 66 m² | - |
| 12A Porchester Square, London | Leasehold | 46 m² | £307,000 (2006) |
| 12E Porchester Square, London | Leasehold | 105 m² | £1,150,000 (2010) |
| 15C Porchester Square, London | Leasehold | 46 m² | £120,000 (1999) |
| 17B, Porchester Square, London | Leasehold | 49 m² | £566,500 (2017) |
| 18, Porchester Square, London | - | 46 m² | - |
| 18D Porchester Square, London | Leasehold | 47 m² | £685,000 (2021) |
| 19A Porchester Square, London | Leasehold | 46 m² | £540,900 (2025) |
| 19B Porchester Square, London | Leasehold | 45 m² | £200,000 (2008) |
| 19C, Porchester Square, London | Leasehold | 54 m² | £426,575 (2008) |
| 21B Porchester Square, London | Leasehold | 50 m² | £806,950 (2014) |
| 22B Porchester Square, London | Leasehold | 72 m² | £650,000 (2016) |
| 22C Porchester Square, London | Leasehold | 46 m² | £675,000 (2021) |
| 22D Porchester Square, London | Leasehold | 47 m² | £200,000 (2001) |
| 22E Porchester Square, London | Leasehold | 100 m² | £1,075,000 (2014) |
| 23C Porchester Square, London | Leasehold | 48 m² | £640,000 (2012) |
| 24C Porchester Square, London | - | 44 m² | - |
| 25A Porchester Square, London | Leasehold | 46 m² | £490,000 (2022) |
| 25D Porchester Square, London | Leasehold | 47 m² | £565,000 (2022) |
| 25E Porchester Square, London | Leasehold | 101 m² | £1,130,000 (2017) |
| 26A Porchester Square, London | Leasehold | 46 m² | £502,500 (2017) |
| 27A Porchester Square, London | Leasehold | 45 m² | £649,000 (2018) |
| 28B Porchester Square, London | Leasehold | 63 m² | £527,500 (2020) |
| 29A Porchester Square, London, London | Leasehold | 47 m² | £456,500 (2014) |
| 29C, Porchester Square, London | Leasehold | 48 m² | £600,000 (2018) |
| 29D Porchester Square, London | Leasehold | 50 m² | £250,000 (2003) |
| 29E Porchester Square, London | Leasehold | 100 m² | £905,000 (2023) |
| 30A Porchester Square, London | Leasehold | 45 m² | £225,000 (2005) |
| 30D Porchester Square, London | Leasehold | 59 m² | £245,000 (2003) |
| 30E Porchester Square, London | Leasehold | 105 m² | £485,000 (2006) |
| 31, Porchester Square, London | - | 110 m² | - |
| 31D Porchester Square, London | Leasehold | 48 m² | £575,000 (2025) |
| Basement, 20 Porchester Square, London | Leasehold | 46 m² | £195,000 (2001) |
| Flat A, 9 Porchester Square, London | Leasehold | 47 m² | £480,000 (2021) |
| Flat A, 10 Porchester Square, London | Leasehold | 48 m² | £235,000 (2002) |
| Flat A, 11 Porchester Square, London | Leasehold | 46 m² | £485,000 (2012) |
| Flat A, 16 Porchester Square, London | Leasehold | 47 m² | £455,000 (2022) |
| Flat A, 18 Porchester Square, London | Leasehold | 46 m² | £500,000 (2025) |
| Flat A, 23 Porchester Square, London | Leasehold | 47 m² | £270,000 (2005) |
| Flat A, 28 Porchester Square, London | - | 52 m² | - |
| Flat B, 9 Porchester Square, London | Leasehold | 47 m² | £555,000 (2025) |
| Flat B, 10 Porchester Square, London | Leasehold | 48 m² | £620,000 (2018) |
| Flat B, 11 Porchester Square, London | Leasehold | 48 m² | £540,000 (2012) |
| Flat B, 12 Porchester Square, London | - | 47 m² | - |
| Flat B, 15 Porchester Square, London | Leasehold | 47 m² | £500,000 (2012) |
| Flat B, 16 Porchester Square, London | Leasehold | 48 m² | £250,000 (2001) |
| Flat B, 18 Porchester Square, London | Leasehold | 45 m² | £177,000 (2004) |
| Flat B, 23 Porchester Square, London | - | 43 m² | - |
| Flat B, 24 Porchester Square, London | Leasehold | 48 m² | £518,099 (2013) |
| Flat B, 27 Porchester Square, London | Leasehold | 45 m² | £675,000 (2013) |
| Flat B, 31 Porchester Square, London | Leasehold | 54 m² | £351,000 (2006) |
| Flat C 9, Porchester Square, London | - | 44 m² | - |
| Flat C, 13 Porchester Square, London | Leasehold | 47 m² | £180,000 (1999) |
| Flat C, 14 Porchester Square, London | - | 47 m² | - |
| Flat C, 16 Porchester Square, London | Leasehold | 46 m² | £675,000 (2016) |
| Flat C, 17 Porchester Square, London | Leasehold | 48 m² | £740,000 (2025) |
| Flat C, 20 Porchester Square, London, London | Leasehold | 64 m² | £270,000 (2003) |
| Flat C, 27 Porchester Square, London | Leasehold | 48 m² | £118,500 (1997) |
| Flat C, 28 Porchester Square, London | Leasehold | 49 m² | £176,000 (2001) |
| Flat D, 13 Porchester Square, London | Leasehold | 49 m² | £710,000 (2014) |
| Flat D, 21 Porchester Square, London, London | - | 42 m² | - |
| Flat D, 24 Porchester Square, London | Leasehold | 49 m² | £440,000 (2025) |
| Flat D, 28 Porchester Square, London | - | 49 m² | - |
| Flat E, 9 Porchester Square, London | Leasehold | 109 m² | £1,112,500 (2022) |
| Flat E, 11 Porchester Square, London | Leasehold | 113 m² | £1,650,000 (2016) |
| Flat E, 18 Porchester Square, London | Leasehold | 101 m² | £1,220,000 (2024) |
| Flat E, 23 Porchester Square, London | Leasehold | 97 m² | £965,000 (2017) |
| Flat E, 27 Porchester Square, London | Leasehold | 90 m² | £800,000 (2013) |
| Flat E, 28 Porchester Square, London | - | 75 m² | - |
| Flat E, 31 Porchester Square, London | Leasehold | 127 m² | £1,390,000 (2025) |
