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 TD15 2YR
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 |
|---|---|---|---|---|
| 37, Cornhill Road979 m away | 136 m² | 276 m² | +140 m² +103% | 2026 |
| Kilcraigen, Sunnyside854 m away | 124 m² | 221 m² | +97 m² +78% | 2014 |
| 14, Farne Road934 m away | 72 m² | 124 m² | +52 m² +72% | 2021 |
| 2, The Oval690 m away | 59 m² | 103 m² | +44 m² +75% | 2019 |
| 44, Greenwood776 m away | 86 m² | 122 m² | +36 m² +42% | 2022 |
| 19, Farne Road934 m away | 59 m² | 94 m² | +35 m² +59% | 2020 |
| 11, Thornton Gate944 m away | 71 m² | 104 m² | +33 m² +46% | 2014 |
| 5, Knivestone Court302 m away | 46 m² | 78 m² | +32 m² +70% | 2020 |
| Roseville, Sunnyside854 m away | 164 m² | 192 m² | +28 m² +17% | 2026 |
| 38, Ivinson Road705 m away | 62 m² | 89 m² | +27 m² +44% | 2025 |
| 5, Yarrow Close795 m away | 29 m² | 56 m² | +27 m² +93% | 2014 |
| 4, Meadow Rigg774 m away | 150 m² | 176 m² | +26 m² +17% | 2015 |
| 1, Cornhill Road624 m away | 128 m² | 154 m² | +26 m² +20% | 2014 |
| 7, Ivinson Road705 m away | 93 m² | 113 m² | +20 m² +22% | 2026 |
| 18, Blackhall Court180 m away | 46 m² | 66 m² | +20 m² +43% | 2023 |
| 3, Chiltern Close731 m away | 80 m² | 100 m² | +20 m² +25% | 2019 |
| 8, Callers Court482 m away | 108 m² | 126 m² | +18 m² +17% | 2025 |
| 46, Goldstone484 m away | 86 m² | 104 m² | +18 m² +21% | 2016 |
| 20, The Oval690 m away | 86 m² | 103 m² | +17 m² +20% | 2016 |
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.