Finding extended homes…
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Homes within 1 km whose energy certificates show the floor area growing: extensions, loft and garage conversions. Tap a home on the map or in the list for its full history. Back to CO9 1JB
Not every extension shows here. We only see building work when a new energy certificate is lodged, which happens when a home is sold, let or newly built. A loft or extension added since then won't appear, even with planning permission and building control sign-off, because those records aren't published as open data outside London. Missing work doesn't mean missing paperwork.
| Home | Before | After | Added | Recorded |
|---|---|---|---|---|
| 57, Highfields237 m away | 141 m² | 245 m² | +104 m² +74% | 2014 |
| 67, Colchester Road825 m away | 116 m² | 198 m² | +82 m² +71% | 2018 |
| 6, Highfields237 m away | 84 m² | 161 m² | +77 m² +92% | 2014 |
| 51, Tidings Hill326 m away | 134 m² | 205 m² | +71 m² +53% | 2016 |
| Boyces House, Mitchell Avenue573 m away | 165 m² | 222 m² | +57 m² +35% | 2015 |
| 1, Garden Yard619 m away | 48 m² | 97 m² | +49 m² +102% | 2025 |
| 61, Colchester Road825 m away | 140 m² | 188 m² | +48 m² +34% | 2018 |
| 37, Morley Road982 m away | 155 m² | 197 m² | +42 m² +27% | 2018 |
| 104, Conies Road780 m away | 64 m² | 105 m² | +41 m² +64% | 2025 |
| 12, Mitchell Avenue621 m away | 81 m² | 122 m² | +41 m² +51% | 2017 |
| Pluto, Stanstead Road85 m away | 124 m² | 164 m² | +40 m² +32% | 2025 |
| 1, Abels Road922 m away | 106 m² | 144 m² | +38 m² +36% | 2026 |
| 4, Kingfisher Meadows548 m away | 97 m² | 134 m² | +37 m² +38% | 2020 |
| 46, Kings Road510 m away | 82 m² | 118 m² | +36 m² +44% | 2015 |
| 36, Dame Mary Walk798 m away | 97 m² | 132 m² | +35 m² +36% | 2024 |
| 49, New Street823 m away | 158 m² | 193 m² | +35 m² +22% | 2023 |
| 85, Tidings Hill502 m away | 62 m² | 96 m² | +34 m² +55% | 2026 |
| 89, Parsonage Street644 m away | 60 m² | 90 m² | +30 m² +50% | 2020 |
| 98, White Horse Avenue699 m away | 98 m² | 127 m² | +29 m² +30% | 2026 |
| 1, Stanstead Place71 m away | 123 m² | 151 m² | +28 m² +23% | 2016 |
| 4, South Close357 m away | 86 m² | 114 m² | +28 m² +33% | 2015 |
| 80, Colchester Road784 m away | 91 m² | 118 m² | +27 m² +30% | 2022 |
| 20, Pretoria Road954 m away | 107 m² | 134 m² | +27 m² +25% | 2014 |
| 53, Fenn Road905 m away | 70 m² | 96 m² | +26 m² +37% | 2015 |
| 42, Trinity Road859 m away | 57 m² | 81 m² | +24 m² +42% | 2014 |
| 11a, New Street823 m away | 28 m² | 51 m² | +23 m² +82% | 2019 |
| Willowtree, 2, Elm Drive225 m away | 87 m² | 108 m² | +21 m² +24% | 2017 |
| 71, White Horse Avenue825 m away | 107 m² | 127 m² | +20 m² +19% | 2026 |
| 41, White Horse Avenue944 m away | 117 m² | 137 m² | +20 m² +17% | 2015 |
| 83, Tidings Hill502 m away | 82 m² | 101 m² | +19 m² +23% | 2022 |
| 18, Mount Pleasant771 m away | 75 m² | 94 m² | +19 m² +25% | 2016 |
| 75, Mount Pleasant771 m away | 33 m² | 51 m² | +18 m² +55% | 2018 |
| 20, Mayda Close819 m away | 61 m² | 78 m² | +17 m² +28% | 2025 |
| 31, Abels Road922 m away | 78 m² | 95 m² | +17 m² +22% | 2023 |
| 12, Weavers Row639 m away | 48 m² | 65 m² | +17 m² +35% | 2022 |
| 37, Highfields237 m away | 54 m² | 71 m² | +17 m² +31% | 2020 |
| 9, Well Field0 m away | 69 m² | 86 m² | +17 m² +25% | 2019 |
| 12, Highfields237 m away | 84 m² | 100 m² | +16 m² +19% | 2022 |
| 4, Brewster Close120 m away | 102 m² | 118 m² | +16 m² +16% | 2020 |
| 4, Stanstead Place71 m away | 91 m² | 106 m² | +15 m² +16% | 2024 |
From energy performance certificates (MHCLG): a later certificate shows at least 15 m² and 15% more floor area than an earlier one (and no more than 2.5 times, to leave out typing errors). Some changes come from a more careful measurement rather than building work. Addresses: HM Land Registry. Contains HM Land Registry data © Crown copyright and database right 2026, OGL v3.0.