| 1A, Heathcliff Avenue, Fairfield, Hitchin | Freehold | 201 m² | £640,000 (2014) |
| 2, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 176 m² | £489,995 (2013) |
| 4, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 253 m² | £780,000 (2017) |
| 5 Heathcliff Avenue, Fairfield, Fairfield | Freehold | 82 m² | £430,000 (2026) |
| 6, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 108 m² | £406,000 (2020) |
| 8, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 90 m² | £250,000 (2014) |
| 10, Heathcliff Avenue, Fairfield, Hitchin | Freehold | 82 m² | £450,000 (2022) |
| 11, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 129 m² | £618,000 (2018) |
| 12 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 94 m² | £485,000 (2025) |
| 14, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 81 m² | £465,000 (2023) |
| 16, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 97 m² | £235,000 (2011) |
| 17 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 83 m² | £354,000 (2016) |
| 18, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 145 m² | £710,000 (2023) |
| 19 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 112 m² | £610,000 (2025) |
| 20, Heathcliff Avenue, Fairfield, Hitchin | Freehold | 173 m² | £830,000 (2025) |
| 21, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 134 m² | £370,495 (2007) |
| 22, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 101 m² | £338,000 (2014) |
| 24, Heathcliff Avenue, Fairfield, Hitchin | Freehold | 146 m² | £585,000 (2021) |
| 25, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 131 m² | £470,000 (2015) |
| 26, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 180 m² | £446,950 (2007) |
| 27 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 200 m² | £830,000 (2022) |
| 29 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 177 m² | £439,995 (2007) |
| 30, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 159 m² | £785,000 (2021) |
| 31, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 156 m² | £489,950 (2013) |
| 32, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 175 m² | £475,000 (2012) |
| 33 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 165 m² | £485,000 (2007) |
| 34 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 141 m² | £650,000 (2023) |
| 35, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 178 m² | £790,000 (2017) |
| 36 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 134 m² | £580,000 (2022) |
| 39, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 114 m² | £379,950 (2014) |
| 41 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 176 m² | £499,995 (2006) |
| 42 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 133 m² | £555,000 (2022) |
| 43 Heathcliff Avenue, Fairfield, Fairfield | Freehold | 177 m² | £692,500 (2021) |
| 44, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 96 m² | £280,000 (2010) |
| 46, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 113 m² | £390,000 (2015) |
| 49 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 133 m² | £700,000 (2025) |
| 50, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 115 m² | £385,000 (2015) |
| 51, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 134 m² | £550,000 (2021) |
| 52 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 140 m² | £475,000 (2016) |
| 53, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 117 m² | £425,000 (2014) |
| 54, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 146 m² | £275,000 (2009) |
| 55 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 66 m² | £297,000 (2024) |
| 56 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 111 m² | £329,950 (2006) |
| 57 Heathcliff Avenue, Stotfold, Hitchin | Freehold | - | £309,995 (2010) |
| 58, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 131 m² | £300,000 (2011) |
| 59 Heathcliff Avenue, Stotfold, Hitchin | - | - | - |
| 60 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 183 m² | £742,000 (2022) |
| 61 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 141 m² | £570,000 (2023) |
| 62 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 131 m² | £520,000 (2024) |
| 63 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 126 m² | £405,000 (2015) |
| 64, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 130 m² | £299,995 (2013) |
| 65, Heathcliff Avenue, Fairfield, Hitchin | Freehold | 64 m² | £305,000 (2026) |
| 66, Heathcliff Avenue, Stotfold, Hitchin | - | 130 m² | - |
| 67 Heathcliff Avenue, Stotfold, Hitchin | Freehold | - | £457,000 (2009) |
| 68, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 145 m² | £465,000 (2017) |
| 69 Heathcliff Avenue, Stotfold, Hitchin | Freehold | - | £457,000 (2009) |
| 70 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 69 m² | £206,000 (2014) |
| 71 Heathcliff Avenue, Fairfield, Hitchin | Freehold | 88 m² | £460,000 (2024) |
| 72, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 106 m² | £325,000 (2011) |
| 73 Heathcliff Avenue, Stotfold, Hitchin | Freehold | - | £370,000 (2017) |
| 74, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 69 m² | £220,000 (2015) |
| 75 Heathcliff Avenue, Stotfold, Hitchin | Freehold | - | £459,995 (2008) |
| 76, Heathcliff Avenue, Stotfold, Hitchin | - | 91 m² | - |
| 77 Heathcliff Avenue, Stotfold, Hitchin | Freehold | - | £459,995 (2010) |
| 78 Heathcliff Avenue, Stotfold, Hitchin | - | 91 m² | - |
| 79, Heathcliff Avenue, Stotfold, Hitchin | Freehold | 104 m² | £390,000 (2015) |
| 80 Heathcliff Avenue, Stotfold, Hitchin | Freehold | 145 m² | £499,000 (2017) |