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 KT18 6JL
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 |
|---|---|---|---|---|
| 120, Rosebery Road358 m away | 71 m² | 170 m² | +99 m² +139% | 2017 |
| 145, Grosvenor Road355 m away | 152 m² | 241 m² | +89 m² +59% | 2019 |
| Woodpeckers, The Ridge992 m away | 212 m² | 290 m² | +78 m² +37% | 2024 |
| 37, Rosebery Road139 m away | 107 m² | 175 m² | +68 m² +64% | 2022 |
| 87, Grosvenor Road355 m away | 56 m² | 124 m² | +68 m² +121% | 2013 |
| 36, Rosebery Road107 m away | 89 m² | 152 m² | +63 m² +71% | 2016 |
| 96, Grosvenor Road340 m away | 103 m² | 165 m² | +62 m² +60% | 2015 |
| 3, Grosvenor Mews0 m away | 146 m² | 206 m² | +60 m² +41% | 2023 |
| Fairways, Langley Vale Road363 m away | 248 m² | 305 m² | +57 m² +23% | 2025 |
| 9, Beaconsfield Road85 m away | 77 m² | 132 m² | +55 m² +71% | 2013 |
| 58, Grosvenor Road340 m away | 79 m² | 131 m² | +52 m² +66% | 2015 |
| 91, Beaconsfield Road362 m away | 124 m² | 175 m² | +51 m² +41% | 2017 |
| 91, Grosvenor Road355 m away | 101 m² | 149 m² | +48 m² +48% | 2020 |
| 6a, Grosvenor Road285 m away | 70 m² | 114 m² | +44 m² +63% | 2021 |
| 73, Rosebery Road367 m away | 109 m² | 153 m² | +44 m² +40% | 2017 |
| 57, Grosvenor Road86 m away | 124 m² | 166 m² | +42 m² +34% | 2025 |
| 83, Rosebery Road367 m away | 93 m² | 134 m² | +41 m² +44% | 2020 |
| 19, Beaconsfield Road85 m away | 139 m² | 177 m² | +38 m² +27% | 2015 |
| 71, Grosvenor Road355 m away | 112 m² | 147 m² | +35 m² +31% | 2025 |
| 9, Langley Close217 m away | 159 m² | 193 m² | +34 m² +21% | 2025 |
| 50, Rosebery Road107 m away | 84 m² | 115 m² | +31 m² +37% | 2021 |
| 100, Grosvenor Road340 m away | 110 m² | 140 m² | +30 m² +27% | 2014 |
| 3, Mannamead264 m away | 91 m² | 120 m² | +29 m² +32% | 2015 |
| 110, Rosebery Road358 m away | 180 m² | 208 m² | +28 m² +16% | 2020 |
| 9, Mannamead264 m away | 102 m² | 128 m² | +26 m² +25% | 2022 |
| 108, Rosebery Road358 m away | 136 m² | 161 m² | +25 m² +18% | 2024 |
| 72, Beaconsfield Road367 m away | 120 m² | 144 m² | +24 m² +20% | 2020 |
| 32, Grosvenor Road53 m away | 79 m² | 100 m² | +21 m² +27% | 2025 |
| 48, Rosebery Road107 m away | 79 m² | 100 m² | +21 m² +27% | 2022 |
| The Junipers, Headley Road850 m away | 76 m² | 96 m² | +20 m² +26% | 2022 |
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.