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 RG18 9LD
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 |
|---|---|---|---|---|
| 7, Harewood Drive284 m away | 187 m² | 392 m² | +205 m² +110% | 2026 |
| 5, Annadale826 m away | 94 m² | 214 m² | +120 m² +128% | 2015 |
| Thirtover Lodge, Thirtover896 m away | 111 m² | 228 m² | +117 m² +105% | 2019 |
| Arcturus, Gladstone Lane120 m away | 189 m² | 298 m² | +109 m² +58% | 2022 |
| 5, Southend971 m away | 71 m² | 150 m² | +79 m² +111% | 2015 |
| Heather Cottage, The Ridge408 m away | 81 m² | 152 m² | +71 m² +88% | 2022 |
| 1, Greenways844 m away | 150 m² | 214 m² | +64 m² +43% | 2017 |
| Corbie Lynn, Collaroy Road149 m away | 129 m² | 191 m² | +62 m² +48% | 2012 |
| Burley Cottage, Cold Ash Hill98 m away | 144 m² | 193 m² | +49 m² +34% | 2023 |
| Meadowbank, Stoney Lane921 m away | 118 m² | 165 m² | +47 m² +40% | 2025 |
| 1, Bakery Cottages, Cold Ash Hill119 m away | 50 m² | 96 m² | +46 m² +92% | 2018 |
| Thistlewood, The Ridge408 m away | 84 m² | 129 m² | +45 m² +54% | 2023 |
| Swallows Rest, Cold Ash Hill83 m away | 153 m² | 195 m² | +42 m² +27% | 2021 |
| Woodland View, The Ridge683 m away | 275 m² | 317 m² | +42 m² +15% | 2020 |
| 24, Hatchgate Close550 m away | 66 m² | 106 m² | +40 m² +61% | 2026 |
| 3, Malta Cottages718 m away | 82 m² | 114 m² | +32 m² +39% | 2017 |
| Hillside, Ashmore Green Road764 m away | 110 m² | 139 m² | +29 m² +26% | 2025 |
| Glenthorne, The Ridge408 m away | 175 m² | 202 m² | +27 m² +15% | 2024 |
| Orchard End, Cold Ash Hill440 m away | 70 m² | 94 m² | +24 m² +34% | 2024 |
| Revival, Hermitage Road941 m away | 93 m² | 110 m² | +17 m² +18% | 2014 |
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.