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 CO6 2RY
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 |
|---|---|---|---|---|
| Hydewell, Halstead Road791 m away | 124 m² | 298 m² | +174 m² +140% | 2024 |
| Mulberry Cottage, 33, Tey Road710 m away | 79 m² | 151 m² | +72 m² +91% | 2026 |
| The Old School House, 37a, Park Lane401 m away | 107 m² | 169 m² | +62 m² +58% | 2020 |
| 6, Nonancourt Way717 m away | 151 m² | 211 m² | +60 m² +40% | 2023 |
| 58, High Street291 m away | 56 m² | 112 m² | +56 m² +100% | 2022 |
| 22, Upper Holt Street523 m away | 86 m² | 141 m² | +55 m² +64% | 2025 |
| 40, Homefield Way461 m away | 106 m² | 161 m² | +55 m² +52% | 2022 |
| 54, Queens Road220 m away | 85 m² | 133 m² | +48 m² +56% | 2025 |
| 7, Colneford Hill748 m away | 87 m² | 135 m² | +48 m² +55% | 2016 |
| 16, Queens Road262 m away | 112 m² | 159 m² | +47 m² +42% | 2014 |
| 35, Colne Park Road807 m away | 112 m² | 155 m² | +43 m² +38% | 2024 |
| 48, Thomas Bell Road730 m away | 56 m² | 97 m² | +41 m² +73% | 2014 |
| 9, Foundry Lane543 m away | 110 m² | 146 m² | +36 m² +33% | 2026 |
| 8, Colchester Road986 m away | 97 m² | 133 m² | +36 m² +37% | 2008 |
| 50, Queens Road220 m away | 85 m² | 116 m² | +31 m² +36% | 2026 |
| 33, Upper Holt Street523 m away | 128 m² | 158 m² | +30 m² +23% | 2018 |
| 2, Great Pitchers, Halstead Road944 m away | 173 m² | 201 m² | +28 m² +16% | 2020 |
| 27, Tey Road710 m away | 115 m² | 140 m² | +25 m² +22% | 2024 |
| Darley Cottage, 29, Coggeshall Road682 m away | 122 m² | 147 m² | +25 m² +20% | 2018 |
| 65, Tey Road970 m away | 121 m² | 142 m² | +21 m² +17% | 2016 |
| 26, Foundry Lane543 m away | 80 m² | 95 m² | +15 m² +19% | 2014 |
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.