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 CM3 4RG
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 |
|---|---|---|---|---|
| Pattentees, The Ridge730 m away | 171 m² | 365 m² | +194 m² +113% | 2015 |
| 11, Hay Green451 m away | 166 m² | 352 m² | +186 m² +112% | 2026 |
| Little Tuftes, The Ridge998 m away | 256 m² | 436 m² | +180 m² +70% | 2014 |
| Southways, Copt Hill458 m away | 180 m² | 357 m² | +177 m² +98% | 2015 |
| Heronsfield, Copt Hill458 m away | 426 m² | 602 m² | +176 m² +41% | 2016 |
| 8, Runsell Lane495 m away | 258 m² | 432 m² | +174 m² +67% | 2021 |
| 12a, Hyde Lane679 m away | 169 m² | 314 m² | +145 m² +86% | 2020 |
| 24, Main Road639 m away | 123 m² | 267 m² | +144 m² +117% | 2020 |
| Uplands, The Ridge998 m away |
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.
| 99 m² |
| 235 m² |
| +136 m² +137% |
| 2012 |
| Moores Bridge, Moores Bridge Lane870 m away | 303 m² | 425 m² | +122 m² +40% | 2016 |
|---|
| 20, Hyde Lane655 m away | 286 m² | 387 m² | +101 m² +35% | 2021 |
|---|
| Barrowfield, Copt Hill458 m away | 206 m² | 305 m² | +99 m² +48% | 2022 |
|---|
| 14, Mill Lane789 m away | 94 m² | 184 m² | +90 m² +96% | 2021 |
|---|
| Mandalay, Woodside894 m away | 142 m² | 229 m² | +87 m² +61% | 2022 |
|---|
| 40, Mill Lane418 m away | 90 m² | 174 m² | +84 m² +93% | 2023 |
|---|
| Rosebank, 72, Hopping Jacks Lane301 m away | 102 m² | 184 m² | +82 m² +80% | 2025 |
|---|
| 46, West Belvedere76 m away | 100 m² | 176 m² | +76 m² +76% | 2021 |
|---|
| Laurels, The Ridge998 m away | 103 m² | 178 m² | +75 m² +73% | 2024 |
|---|
| 4, Belvedere Road180 m away | 78 m² | 146 m² | +68 m² +87% | 2018 |
|---|
| 86, Maldon Road286 m away | 109 m² | 173 m² | +64 m² +59% | 2014 |
|---|
| Birchroft, Chestnut Walk926 m away | 221 m² | 284 m² | +63 m² +29% | 2023 |
|---|
| 35, Mill Lane632 m away | 59 m² | 120 m² | +61 m² +103% | 2019 |
|---|
| Willowfield, The Ridge998 m away | 150 m² | 211 m² | +61 m² +41% | 2011 |
|---|
| 69, Mill Lane418 m away | 81 m² | 140 m² | +59 m² +73% | 2020 |
|---|
| 4, The Avenue224 m away | 117 m² | 175 m² | +58 m² +50% | 2022 |
|---|
| 2, The Avenue224 m away | 68 m² | 126 m² | +58 m² +85% | 2020 |
|---|
| 40, Hyde Lane817 m away | 200 m² | 258 m² | +58 m² +29% | 2018 |
|---|
| 20, Runsell Close248 m away | 161 m² | 218 m² | +57 m² +35% | 2014 |
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| 9, Litchborough Park721 m away | 218 m² | 273 m² | +55 m² +25% | 2019 |
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| 26, Danbury Vale552 m away | 101 m² | 152 m² | +51 m² +50% | 2023 |
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| 12, Little Baddow Road518 m away | 179 m² | 221 m² | +42 m² +23% | 2014 |
|---|
| 33, Mill Lane632 m away | 67 m² | 109 m² | +42 m² +63% | 2014 |
|---|
| 9, Runsell View277 m away | 89 m² | 126 m² | +37 m² +42% | 2025 |
|---|
| 68, Mill Lane418 m away | 140 m² | 175 m² | +35 m² +25% | 2022 |
|---|
| 15, Belvedere Close0 m away | 71 m² | 106 m² | +35 m² +49% | 2021 |
|---|
| 11, The Avenue224 m away | 110 m² | 144 m² | +34 m² +31% | 2026 |
|---|
| 42, Barley Mead876 m away | 103 m² | 137 m² | +34 m² +33% | 2023 |
|---|
| 96, Maldon Road529 m away | 58 m² | 92 m² | +34 m² +59% | 2012 |
|---|
| 28, Main Road639 m away | 73 m² | 106 m² | +33 m² +45% | 2022 |
|---|
| 22, Hyde Lane655 m away | 209 m² | 242 m² | +33 m² +16% | 2015 |
|---|
| 28, Danbury Vale552 m away | 129 m² | 156 m² | +27 m² +21% | 2015 |
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| 2, Maldon Road469 m away | 91 m² | 118 m² | +27 m² +30% | 2013 |
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| 22, Belvedere Road180 m away | 80 m² | 106 m² | +26 m² +33% | 2014 |
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| 5, Hopping Jacks Lane225 m away | 130 m² | 153 m² | +23 m² +18% | 2017 |
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| 4, Barley Mead876 m away | 100 m² | 122 m² | +22 m² +22% | 2019 |
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| 15, Runsell Lane636 m away | 135 m² | 156 m² | +21 m² +16% | 2026 |
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| 1, Belvedere Close0 m away | 77 m² | 96 m² | +19 m² +25% | 2013 |
|---|
| 1, Runsell Close248 m away | 70 m² | 88 m² | +18 m² +26% | 2023 |
|---|
| 37, West Belvedere76 m away | 72 m² | 90 m² | +18 m² +25% | 2013 |
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| 49, Mill Lane632 m away | 79 m² | 96 m² | +17 m² +22% | 2024 |
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| 57, Little Baddow Road518 m away | 83 m² | 98 m² | +15 m² +18% | 2018 |
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