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 CM11 1NU
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 |
|---|---|---|---|---|
| 28, Church Road56 m away | 118 m² | 266 m² | +148 m² +125% | 2022 |
| 19, Church Road0 m away | 130 m² | 247 m² | +117 m² +90% | 2017 |
| 9, Park Lane250 m away | 80 m² | 186 m² | +106 m² +133% | 2019 |
| 57, Heath Road647 m away | 106 m² | 201 m² | +95 m² +90% | 2018 |
| 60, Church Road197 m away | 190 m² | 283 m² | +93 m² +49% | 2021 |
| 71, Park Lane296 m away | 137 m² | 222 m² | +85 m² +62% | 2021 |
| 17, Short Lane218 m away | 70 m² | 142 m² | +72 m² +103% | 2018 |
| 8, Church Road56 m away | 140 m² | 211 m² | +71 m² +51% | 2026 |
| 34, Church Road56 m away | 136 m² | 199 m² | +63 m² +46% | 2025 |
| 41, Downham Road318 m away | 61 m² | 124 m² | +63 m² +103% | 2022 |
| 37, Park Lane250 m away | 129 m² | 186 m² | +57 m² +44% | 2017 |
| 22, Downham Road318 m away | 104 m² | 158 m² | +54 m² +52% | 2024 |
| 47, Church Road0 m away | 298 m² | 350 m² | +52 m² +17% | 2019 |
| 15, Short Lane218 m away | 63 m² | 112 m² | +49 m² +78% | 2024 |
| 21, Homelands Grove185 m away | 103 m² | 150 m² | +47 m² +46% | 2022 |
| 10, Short Lane218 m away | 78 m² | 122 m² | +44 m² +56% | 2026 |
| 59, Church Road0 m away | 200 m² | 244 m² | +44 m² +22% | 2020 |
| 3, Homelands Grove185 m away | 111 m² | 152 m² | +41 m² +37% | 2013 |
| 54, Norton Place679 m away | 87 m² | 127 m² | +40 m² +46% | 2025 |
| Ellerslie, Oak Road594 m away | 83 m² | 123 m² | +40 m² +48% | 2011 |
| Katie House, Park Lane540 m away | 158 m² | 196 m² | +38 m² +24% | 2021 |
| 12, Allens Road596 m away | 93 m² | 130 m² | +37 m² +40% | 2021 |
| 17, Allens Road565 m away | 91 m² | 127 m² | +36 m² +40% | 2015 |
| 58, Park Lane298 m away | 46 m² | 81 m² | +35 m² +76% | 2018 |
| 76, Park Lane326 m away | 154 m² | 186 m² | +32 m² +21% | 2013 |
| 41, Park Lane250 m away | 96 m² | 122 m² | +26 m² +27% | 2021 |
| 25, Heath Road342 m away | 86 m² | 111 m² | +25 m² +29% | 2026 |
| 3, Mill Lane626 m away | 76 m² | 100 m² | +24 m² +32% | 2019 |
| 1, Mill Lane626 m away | 98 m² | 120 m² | +22 m² +22% | 2025 |
| 20, Heath Road307 m away | 87 m² | 109 m² | +22 m² +25% | 2014 |
| 19, Brabner Gardens163 m away | 121 m² | 142 m² | +21 m² +17% | 2019 |
| 5, Brabner Gardens163 m away | 119 m² | 140 m² | +21 m² +18% | 2019 |
| 11, Stoney Hills600 m away | 99 m² | 118 m² | +19 m² +19% | 2016 |
| 16a, Church Road56 m away | 59 m² | 78 m² | +19 m² +32% | 2013 |
| 17, Park Lane250 m away | 84 m² | 102 m² | +18 m² +21% | 2024 |
| 9, Lindhurst Drive259 m away | 74 m² | 92 m² | +18 m² +24% | 2013 |
| 16, Carsey Close141 m away | 58 m² | 75 m² | +17 m² +29% | 2016 |
| 54, Allens Road565 m away | 78 m² | 94 m² | +16 m² +21% | 2019 |
| Rose Cottage, Church Road877 m away | 91 m² | 107 m² | +16 m² +18% | 2019 |
| 8, Brabner Gardens163 m away | 69 m² | 85 m² | +16 m² +23% | 2015 |
| 19, Downham Road318 m away | 100 m² | 115 m² | +15 m² +15% | 2024 |
| 21, Park Lane250 m away | 94 m² | 109 m² | +15 m² +16% | 2021 |
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.