| 1 Copthorn Avenue, Broxbourne | Freehold | 90 m² | £233,000 (2001) |
| 3, Copthorn Avenue, Broxbourne | - | 167 m² | - |
| 4, Copthorn Avenue, Broxbourne | Freehold | 103 m² | £410,000 (2006) |
| 6 Copthorn Avenue, Broxbourne | - | 2,274 m² | - |
| 10, Copthorn Avenue, Broxbourne | Freehold | 155 m² | £529,995 (2015) |
| 13 Copthorn Avenue, Broxbourne | Freehold | 69 m² | £582,500 (2021) |
| 16 Copthorn Avenue, Broxbourne | Freehold | 84 m² | £640,000 (2023) |
| 19, Copthorn Avenue, Broxbourne | Freehold | 131 m² | £440,000 (2013) |
| 22, Copthorn Avenue, Broxbourne | - | 122 m² | - |
| 25, Copthorn Avenue, Broxbourne | Freehold | 136 m² | £568,000 (2015) |
| 27, Copthorn Avenue, Broxbourne | Freehold | 114 m² | £575,000 (2016) |
| 30, Copthorn Avenue, Broxbourne | Freehold | 134 m² | £500,000 (2014) |
| 32, Copthorn Avenue, Broxbourne | Freehold | 143 m² | £520,000 (2013) |
| 34 Copthorn Avenue, Broxbourne | Freehold | 130 m² | £805,000 (2023) |
| 36 Copthorn Avenue, Broxbourne | Freehold | 134 m² | £862,500 (2023) |
| 37, Copthorn Avenue, Broxbourne | Freehold | 105 m² | £475,000 (2014) |
| 41, Copthorn Avenue, Broxbourne | Freehold | 140 m² | £500,000 (2012) |
| 43, Copthorn Avenue, Broxbourne | Freehold | 149 m² | £435,000 (2009) |
| 44, Copthorn Avenue, Broxbourne | - | 108 m² | - |
| 45, Copthorn Avenue, Broxbourne | Freehold | 98 m² | £432,500 (2012) |