| 1 The Lodge House, Harmonia Court, Watford | Freehold | 103 m² | £470,000 (2011) |
| 2 The Lodge House, Harmonia Court, Nascot Wood Road, Watford | Freehold | 109 m² | £755,000 (2026) |
| 3, Harmonia Court, Watford | Leasehold | 98 m² | £425,000 (2012) |
| 4, Harmonia Court, Watford | Leasehold | 100 m² | £410,000 (2012) |
| 5, Harmonia Court, Watford | Leasehold | 98 m² | £410,000 (2012) |
| 6, Harmonia Court, Watford | Leasehold | 92 m² | £410,000 (2012) |
| 7 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 60 m² | £280,000 (2025) |
| 8 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 58 m² | £225,000 (2012) |
| 9 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 69 m² | £422,000 (2016) |
| 10 Harmonia Court, Watford | Leasehold | 103 m² | £320,000 (2013) |
| 11 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 99 m² | £625,000 (2025) |
| 12 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 113 m² | £450,000 (2012) |
| 13 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 74 m² | £445,000 (2019) |
| 14 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 70 m² | £427,500 (2022) |
| 15 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 72 m² | £289,950 (2012) |
| 16 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 86 m² | £345,000 (2012) |
| 17, Harmonia Court, Watford | Leasehold | 93 m² | £350,000 (2011) |
| 18, Harmonia Court, Watford | Leasehold | 106 m² | £450,000 (2011) |
| 19, Harmonia Court, Watford | Leasehold | 104 m² | £450,000 (2012) |
| 20 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 74 m² | £333,050 (2012) |
| 21, Harmonia Court, Watford | Leasehold | 74 m² | £320,000 (2012) |
| 22 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 66 m² | £295,000 (2012) |
| 23 Harmonia Court, Nascot Wood Road, Watford | Leasehold | 86 m² | £550,000 (2021) |
| 24, Harmonia Court, Watford | Leasehold | 94 m² | £500,000 (2016) |
| 25 Harmonia Court, Nascot Wood Road, Watford | Freehold | 122 m² | £665,000 (2019) |
| 26 Harmonia Court, Nascot Wood Road, Watford | Freehold | 119 m² | £670,000 (2016) |