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 CM9 8PY
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 |
|---|---|---|---|---|
| Caper Cottage, Goat Lodge Road832 m away | 241 m² | 554 m² | +313 m² +130% | 2022 |
| 16, Beacon Hill971 m away | 336 m² | 525 m² | +189 m² +56% | 2017 |
| Hamara, Maypole Road718 m away | 434 m² | 617 m² | +183 m² +42% | 2015 |
| Green Lands, Maypole Road718 m away | 717 m² | 855 m² | +138 m² +19% | 2026 |
| Champions Lodge, Captains Wood Road628 m away | 387 m² | 483 m² | +96 m² +25% | 2012 |
| 23, Goat Lodge Road353 m away | 192 m² | 277 m² | +85 m² +44% | 2020 |
| 14, Hall Road542 m away | 80 m² | 152 m² | +72 m² +90% | 2024 |
| 1, Arbour Lane933 m away | 188 m² | 251 m² | +63 m² +34% | 2013 |
| 36, Kelvedon Road818 m away | 80 m² | 140 m² | +60 m² +75% | 2019 |
| 22a, Harvey Road172 m away | 97 m² | 150 m² | +53 m² +55% | 2023 |
| Malone Cottage, Maypole Road718 m away | 65 m² | 109 m² | +44 m² +68% | 2024 |
| Conifers, Beacon Hill971 m away | 250 m² | 294 m² | +44 m² +18% | 2019 |
| 2, Foster Road228 m away | 96 m² | 139 m² | +43 m² +45% | 2020 |
| 45, Maldon Road714 m away | 109 m² | 143 m² | +34 m² +31% | 2017 |
| 11, Hall Road542 m away | 73 m² | 107 m² | +34 m² +47% | 2015 |
| 50, Maldon Road714 m away | 80 m² | 112 m² | +32 m² +40% | 2010 |
| 8, Longmeads990 m away | 87 m² | 117 m² | +30 m² +34% | 2024 |
| The Woodlands, School Road463 m away | 188 m² | 217 m² | +29 m² +15% | 2024 |
| 4, St Peters Walk607 m away | 145 m² | 172 m² | +27 m² +19% | 2025 |
| 14, Seagers446 m away | 98 m² | 118 m² | +20 m² +20% | 2022 |
| 18a, Walden House Road212 m away | 82 m² | 101 m² | +19 m² +23% | 2016 |
| 11, Catchpole Lane0 m away | 110 m² | 128 m² | +18 m² +16% | 2020 |
| 5, Staplers Heath300 m away | 86 m² | 102 m² | +16 m² +19% | 2018 |
| Flat 16, Scholars Mews, School Road404 m away | 94 m² | 109 m² | +15 m² +16% | 2019 |
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.