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 SL6 8JY
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 |
|---|---|---|---|---|
| 6, Cliveden Mead446 m away | 212 m² | 371 m² | +159 m² +75% | 2025 |
| 1, Maidenhead Court Park237 m away | 152 m² | 309 m² | +157 m² +103% | 2022 |
| Hunters Moon, Islet Road201 m away | 132 m² | 282 m² | +150 m² +114% | 2018 |
| The Barn, Boulters Lane854 m away | 124 m² | 245 m² | +121 m² +98% | 2026 |
| 69, Lower Cookham Road0 m away | 175 m² | 295 m² | +120 m² +69% | 2022 |
| 64, Sheephouse Road82 m away | 171 m² | 277 m² | +106 m² +62% | 2014 |
| 20, Battlemead Close195 m away | 173 m² | 255 m² | +82 m² +47% | 2018 |
| The Weir House, Court Road491 m away | 284 m² | 361 m² | +77 m² +27% | 2025 |
| 7, Elmwood368 m away | 309 m² | 385 m² | +76 m² +25% | 2020 |
| 5, Islet Road248 m away | 131 m² | 200 m² | +69 m² +53% | 2016 |
| Rosneath, Cliveden Mead446 m away | 107 m² | 174 m² | +67 m² +63% | 2020 |
| 23, The Pagoda986 m away | 133 m² | 197 m² | +64 m² +48% | 2020 |
| 77, Lower Cookham Road0 m away | 193 m² | 250 m² | +57 m² +30% | 2026 |
| 18, Thames Crescent846 m away | 129 m² | 184 m² | +55 m² +43% | 2014 |
| 1, Lower Cookham Road868 m away | 137 m² | 191 m² | +54 m² +39% | 2019 |
| 4, Court Drive427 m away | 233 m² | 283 m² | +50 m² +21% | 2018 |
| 32, Lower Cookham Road307 m away | 263 m² | 311 m² | +48 m² +18% | 2016 |
| 3, Lower Cookham Road868 m away | 155 m² | 196 m² | +41 m² +26% | 2024 |
| 34, Lower Cookham Road307 m away | 224 m² | 261 m² | +37 m² +17% | 2024 |
| 14, Maidenhead Court Park237 m away | 149 m² | 184 m² | +35 m² +23% | 2020 |
| 75, Lower Cookham Road0 m away | 210 m² | 244 m² | +34 m² +16% | 2016 |
| 83, Summerleaze Road950 m away | 114 m² | 147 m² | +33 m² +29% | 2024 |
| 15, Lock Mead572 m away | 182 m² | 213 m² | +31 m² +17% | 2025 |
| 58, Lower Cookham Road88 m away | 194 m² | 224 m² | +30 m² +15% | 2025 |
| 3, Cuba Cottages, Maidenhead Court Park356 m away | 162 m² | 191 m² | +29 m² +18% | 2017 |
| Flat 3, 51, Lower Cookham Road309 m away | 62 m² | 90 m² | +28 m² +45% | 2012 |
| 9, Herons Place, Court Road340 m away | 58 m² | 77 m² | +19 m² +33% | 2023 |
| 6, Elmwood368 m away | 123 m² | 142 m² | +19 m² +15% | 2014 |
| 18, Boulters Gardens950 m away | 85 m² | 101 m² | +16 m² +19% | 2021 |
| 2, Cuba Cottages, Maidenhead Court Park356 m away | 66 m² | 81 m² | +15 m² +23% | 2026 |
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.