| 1, St. James Avenue, Ongar | Freehold | 118 m² | £355,000 (2012) |
| 2, St. James Avenue, Ongar | Leasehold | 62 m² | £199,000 (2007) |
| 2A St. James Avenue, Ongar | Leasehold | 62 m² | £210,000 (2015) |
| 2C St. James Avenue, Ongar | Leasehold | 63 m² | £178,000 (2013) |
| 3, St. James Avenue, Ongar | Freehold | 94 m² | £580,000 (2016) |
| 4, St. James Avenue, Ongar | Leasehold | 60 m² | £300,000 (2017) |
| 4B, St. James Avenue, Ongar | Leasehold | 60 m² | £260,000 (2025) |
| 4C St. James Avenue, Ongar | Leasehold | 63 m² | £50,000 (1995) |
| 8 St. James Avenue, Ongar | - | 188 m² | - |
| 10 St. James Avenue, Ongar | Freehold | 106 m² | £715,000 (2022) |
| 12, St. James Avenue, Ongar | Freehold | 100 m² | £429,950 (2014) |
| 13, St. James Avenue, Ongar | - | 108 m² | - |
| 15, St. James Avenue, Ongar | Freehold | 105 m² | £510,000 (2020) |
| 17, St. James Avenue, Ongar | Freehold | 134 m² | £147,000 (1999) |
| 18, St. James Avenue, Ongar | Freehold | 151 m² | £492,000 (2014) |
| 19, St. James Avenue, Ongar | Freehold | 127 m² | £550,000 (2016) |
| 21, St. James Avenue, Ongar | Freehold | 92 m² | £421,000 (2015) |
| 24, St. James Avenue, Ongar | Freehold | 117 m² | £429,000 (2020) |
| 26, St. James Avenue, Ongar | Freehold | 147 m² | £560,000 (2016) |
| 37 St James Avenue, Ongar, Ongar | - | 50 m² | - |
| 37A, St. James Avenue, Ongar | - | 62 m² | - |
| 39 St. James Avenue, Ongar | - | 72 m² | - |
| 39A, St. James Avenue, Ongar | Leasehold | 55 m² | £249,950 (2025) |
| 47, St. James Avenue, Ongar | Freehold | 154 m² | £635,000 (2020) |
