| Flat 12 Harmonia Court, Watford, WD17 4BT | Apr 2026 | £635,000 | Flat / maisonette | Leasehold |
| 2 The Lodge House Harmonia Court, Watford, WD17 4BT | Mar 2026 | £755,000 | Semi-detached | Freehold |
| Flat 7 Harmonia Court, Watford, WD17 4BT | Jan 2025 | £280,000 | Flat / maisonette | Leasehold |
| Flat 11 Harmonia Court, Watford, WD17 4BT | Jan 2025 | £625,000 | Flat / maisonette | Leasehold |
| Flat 14 Harmonia Court, Watford, WD17 4BT | Jan 2022 | £427,500 | Flat / maisonette | Leasehold |
| Flat 23 Harmonia Court, Watford, WD17 4BT | Apr 2021 | £550,000 | Flat / maisonette | Leasehold |
| Flat 13 Harmonia Court, Watford, WD17 4BT | Nov 2019 | £445,000 | Flat / maisonette | Leasehold |
| 25 Harmonia Court, Watford, WD17 4BT | Feb 2019 | £665,000 | Semi-detached | Freehold |
| Flat 24 Harmonia Court, Watford, WD17 4BT | Nov 2016 | £500,000 | Flat / maisonette | Leasehold |
| Flat 9 Harmonia Court, Watford, WD17 4BT | May 2016 | £422,000 | Flat / maisonette | Leasehold |
| 26 Harmonia Court Nascot Wood Road, Watford, WD17 4BT | Jan 2016 | £670,000 | Semi-detached | Freehold |
| 25 Harmonia Court Nascot Wood Road, Watford, WD17 4BT | Dec 2015 | £662,500 | Semi-detached | Freehold |
| Flat 10 Harmonia Court, Watford, WD17 4BT | Mar 2013 | £320,000 | Flat / maisonette | Leasehold |
| Flat 6 Harmonia Court, Watford, WD17 4BT | Sep 2012 | £410,000 | Flat / maisonette | Leasehold |
| Flat 20 Harmonia Court, Watford, WD17 4BT | Aug 2012 | £333,050 | Flat / maisonette | Leasehold |
| Flat 15 Harmonia Court, Watford, WD17 4BT | Aug 2012 | £289,950 | Flat / maisonette | Leasehold |
| Flat 21 Harmonia Court, Watford, WD17 4BT | Aug 2012 | £320,000 | Flat / maisonette | Leasehold |
| Flat 4 Harmonia Court, Watford, WD17 4BT | Aug 2012 | £410,000 | Flat / maisonette | Leasehold |
| Flat 8 Harmonia Court, Watford, WD17 4BT | Jun 2012 | £225,000 | Flat / maisonette | Leasehold |
| Flat 22 Harmonia Court, Watford, WD17 4BT | May 2012 | £295,000 | Flat / maisonette | Leasehold |
| Flat 16 Harmonia Court, Watford, WD17 4BT | May 2012 | £345,000 | Flat / maisonette | Leasehold |
| Flat 3 Harmonia Court, Watford, WD17 4BT | Apr 2012 | £425,000 | Flat / maisonette | Leasehold |
| Flat 5 Harmonia Court, Watford, WD17 4BT | Mar 2012 | £410,000 | Flat / maisonette | Leasehold |
| Flat 19 Harmonia Court, Watford, WD17 4BT | Mar 2012 | £450,000 | Flat / maisonette | Leasehold |
| 1 The Lodge House, Harmonia Court Nascot Wood Road, Watford, WD17 4BT | Nov 2011 | £470,000 | Semi-detached | Freehold |
| 11 Harmonia Court, Watford, WD17 4BT | Nov 2011 | £450,000 | Flat / maisonette | Leasehold |
| 2 The Lodge House, Harmonia Court Nascot Wood Road, Watford, WD17 4BT | Nov 2011 | £465,000 | Semi-detached | Freehold |
| Flat 18 Harmonia Court, Watford, WD17 4BT | Sep 2011 | £450,000 | Flat / maisonette | Leasehold |
| Flat 17 Harmonia Court, Watford, WD17 4BT | Sep 2011 | £350,000 | Flat / maisonette | Leasehold |