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 RG40 3AH
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 |
|---|---|---|---|---|
| Little Spinney, Southlands Road731 m away | 107 m² | 250 m² | +143 m² +134% | 2025 |
| 18, Rances Lane860 m away | 88 m² | 207 m² | +119 m² +135% | 2014 |
| 7, Buckhurst Grove671 m away | 238 m² | 353 m² | +115 m² +48% | 2023 |
| 1, Starmead Drive819 m away | 134 m² | 223 m² | +89 m² +66% | 2015 |
| 24, Waterloo Road638 m away | 81 m² | 169 m² | +88 m² +109% | 2017 |
| 44, Priest Avenue855 m away | 131 m² | 215 m² | +84 m² +64% | 2017 |
| 4, Wallner Way933 m away | 120 m² | 201 m² | +81 m² +68% | 2015 |
| 3, Buckhurst Grove671 m away | 264 m² | 341 m² | +77 m² +29% | 2013 |
| 59, Rances Lane886 m away | 160 m² | 232 m² | +72 m² +45% | 2018 |
| 18, Tudor Close733 m away | 97 m² | 168 m² | +71 m² +73% | 2016 |
| 63, Waterloo Crescent524 m away | 82 m² | 145 m² | +63 m² +77% | 2026 |
| 89, Waterloo Road542 m away | 81 m² | 134 m² | +53 m² +65% | 2026 |
| 28, Priest Avenue855 m away | 134 m² | 184 m² | +50 m² +37% | 2024 |
| 53, Waterloo Crescent524 m away | 81 m² | 130 m² | +49 m² +60% | 2024 |
| 22, Frog Hall Drive832 m away | 113 m² | 157 m² | +44 m² +39% | 2024 |
| 6, Duncan Drive837 m away | 160 m² | 202 m² | +42 m² +26% | 2016 |
| 49, Waterloo Crescent524 m away | 88 m² | 128 m² | +40 m² +45% | 2025 |
| 19, Burford Court, Rances Lane639 m away | 51 m² | 90 m² | +39 m² +76% | 2015 |
| Mowacre, Southlands Road731 m away | 175 m² | 211 m² | +36 m² +21% | 2021 |
| 16, Burford Court, Rances Lane639 m away | 56 m² | 90 m² | +34 m² +61% | 2015 |
| 93, Waterloo Road542 m away | 77 m² | 110 m² | +33 m² +43% | 2026 |
| 20, Burford Court, Rances Lane639 m away | 57 m² | 90 m² | +33 m² +58% | 2015 |
| 22, Burford Court, Rances Lane639 m away | 57 m² | 90 m² | +33 m² +58% | 2015 |
| 3, Burford Court, Rances Lane639 m away | 57 m² | 90 m² | +33 m² +58% | 2015 |
| 4, Burford Court, Rances Lane639 m away | 58 m² | 90 m² | +32 m² +55% | 2015 |
| 6, Burford Court, Rances Lane639 m away | 58 m² | 90 m² | +32 m² +55% | 2015 |
| 10, Burford Court, Rances Lane639 m away | 58 m² | 90 m² | +32 m² +55% | 2015 |
| 4, Holme Green113 m away | 84 m² | 116 m² | +32 m² +38% | 2012 |
| 24, Burford Court, Rances Lane639 m away | 59 m² | 90 m² | +31 m² +53% | 2015 |
| 5, Burford Court, Rances Lane639 m away | 60 m² | 90 m² | +30 m² +50% | 2015 |
| 15, Burford Court, Rances Lane639 m away | 60 m² | 90 m² | +30 m² +50% | 2015 |
| 12a, Burford Court, Rances Lane639 m away | 61 m² | 90 m² | +29 m² +48% | 2015 |
| 41, Tattersall Close832 m away | 145 m² | 171 m² | +26 m² +18% | 2020 |
| 14, Duncan Drive837 m away | 138 m² | 162 m² | +24 m² +17% | 2025 |
| 1, Holme Green113 m away | 97 m² | 119 m² | +22 m² +23% | 2018 |
| 129, Waterloo Road542 m away | 83 m² | 100 m² | +17 m² +20% | 2026 |
| 24, Waterloo Crescent524 m away | 106 m² | 123 m² | +17 m² +16% | 2024 |
| 75, Waterloo Road600 m away | 75 m² | 91 m² | +16 m² +21% | 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.