| Norfolk Lodge Underdown Road, Southwick, Brighton, BN42 4HN | Oct 2025 | £515,000 | Detached | Freehold |
| Flat 2, Warren Court Underdown Road, Southwick, Brighton, BN42 4HN | Feb 2025 | £265,000 | Flat / maisonette | Leasehold |
| 25 Underdown Road, Southwick, Brighton, BN42 4HN | Mar 2024 | £432,000 | Other property | Freehold |
| 27A Underdown Road, Southwick, Brighton, BN42 4HN | Aug 2023 | £290,000 | Flat / maisonette | Leasehold |
| 69 Underdown Road, Southwick, Brighton, BN42 4HN | Jun 2022 | £496,000 | Terraced | Freehold |
| 21 Underdown Road, Southwick, Brighton, BN42 4HN | Dec 2021 | £445,000 | Semi-detached | Freehold |
| 41 Underdown Road, Southwick, Brighton, BN42 4HN | Jan 2021 | £405,000 | Terraced | Freehold |
| First And Second Floor Flat, 47 Underdown Road, Southwick, Brighton, BN42 4HN | Dec 2020 | £275,000 | Other property | Leasehold |
| 39 Underdown Road, Southwick, Brighton, BN42 4HN | Sep 2020 | £518,000 | Terraced | Freehold |
| 29 Underdown Road, Southwick, Brighton, BN42 4HN | Apr 2020 | £178,000 | Flat / maisonette | Leasehold |
| 23 Underdown Road, Southwick, Brighton, BN42 4HN | Jan 2020 | £345,000 | Semi-detached | Freehold |
| Hydrene, 45A Underdown Road, Southwick, Brighton, BN42 4HN | Nov 2019 | £600,000 | Detached | Freehold |
| 49 Underdown Road, Southwick, Brighton, BN42 4HN | Nov 2018 | £465,000 | Semi-detached | Freehold |
| 73 Underdown Road, Southwick, Brighton, BN42 4HN | Oct 2016 | £358,000 | Terraced | Freehold |
| Flat 4, Warren Court Underdown Road, Southwick, Brighton, BN42 4HN | Dec 2015 | £204,950 | Flat / maisonette | Leasehold |
| 33 Underdown Road, Southwick, Brighton, BN42 4HN | Nov 2015 | £304,950 | Terraced | Freehold |
| 55 Underdown Road, Southwick, Brighton, BN42 4HN | Apr 2015 | £295,000 | Terraced | Freehold |
| Flat 7, Warren Court Underdown Road, Southwick, Brighton, BN42 4HN | Jun 2012 | £129,950 | Flat / maisonette | Leasehold |
| First Floor Flat, 47 Underdown Road, Southwick, Brighton, BN42 4HN | Nov 2011 | £115,000 | Flat / maisonette | Freehold |
| Flat 5, Warren Court Underdown Road, Southwick, Brighton, BN42 4HN | Nov 2011 | £138,500 | Flat / maisonette | Leasehold |
| 31 Underdown Road, Southwick, Brighton, BN42 4HN | May 2011 | £250,000 | Terraced | Freehold |
| Flat 3, Warren Court Underdown Road, Southwick, Brighton, BN42 4HN | Apr 2011 | £125,000 | Flat / maisonette | Leasehold |
| 17 Underdown Road, Southwick, Brighton, BN42 4HN | Oct 2010 | £207,000 | Terraced | Freehold |
| 19 Underdown Road, Southwick, Brighton, BN42 4HN | Oct 2010 | £249,000 | Semi-detached | Freehold |
| 65 Underdown Road, Southwick, Brighton, BN42 4HN | Jun 2008 | £285,000 | Terraced | Freehold |
| Flat 9, Warren Court Underdown Road, Southwick, Brighton, BN42 4HN | Aug 2007 | £180,000 | Flat / maisonette | Leasehold |
| 77 Underdown Road, Southwick, Brighton, BN42 4HN | Sep 2005 | £234,000 | Terraced | Freehold |
| 27 Underdown Road, Southwick, Brighton, BN42 4HN | Aug 2005 | £125,000 | Flat / maisonette | Leasehold |
| 15 Underdown Road, Southwick, Brighton, BN42 4HN | Jul 2005 | £183,995 | Terraced | Freehold |
| 5 Underdown Road, Southwick, Brighton, BN42 4HN | May 2005 | £182,500 | Terraced | Freehold |
| 59 Underdown Road, Southwick, Brighton, BN42 4HN | Oct 2004 | £265,000 | Terraced | Freehold |
| 51 Underdown Road, Southwick, Brighton, BN42 4HN | Oct 2003 | £140,000 | Terraced | Freehold |
| 1 - 3 Underdown Road, Southwick, Brighton, BN42 4HN | Jun 2002 | £220,000 | Terraced | Freehold |
| Flat 6, Warren Court Underdown Road, Southwick, Brighton, BN42 4HN | May 2002 | £99,950 | Flat / maisonette | Leasehold |
| 61 Underdown Road, Southwick, Brighton, BN42 4HN | Oct 2001 | £120,000 | Semi-detached | Freehold |
| Ground Floor Flat, 57 Underdown Road, Southwick, Brighton, BN42 4HN | Jul 2001 | £82,000 | Flat / maisonette | Leasehold |
| 63 Underdown Road, Southwick, Brighton, BN42 4HN | Dec 1998 | £87,000 | Semi-detached | Freehold |
| 9 Underdown Road, Southwick, Brighton, BN42 4HN | Feb 1998 | £69,700 | Terraced | Freehold |
| 11 Underdown Road, Southwick, Brighton, BN42 4HN | Aug 1996 | £56,500 | Terraced | Freehold |
| 71 Underdown Road, Southwick, Brighton, BN42 4HN | May 1996 | £60,000 | Terraced | Freehold |
| Flat 1, Warren Court Underdown Road, Southwick, Brighton, BN42 4HN | Feb 1995 | £39,400 | Flat / maisonette | Leasehold |