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 S14 1AB
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 |
|---|---|---|---|---|
| 14, Ashbury Lane215 m away | 107 m² | 231 m² | +124 m² +116% | 2025 |
| 54, Mawfa Avenue269 m away | 70 m² | 136 m² | +66 m² +94% | 2014 |
| 12, Ashbury Drive127 m away | 68 m² | 131 m² | +63 m² +93% | 2024 |
| 20, Backmoor Road112 m away | 78 m² | 138 m² | +60 m² +77% | 2016 |
| 105, Henley Avenue879 m away | 212 m² | 268 m² | +56 m² +26% | 2016 |
| 19, Norton Church Glebe803 m away | 179 m² | 232 m² | +53 m² +30% | 2025 |
| 222, Blackstock Road698 m away | 140 m² | 192 m² | +52 m² +37% | 2015 |
| 8, Cloonmore Croft900 m away | 121 m² | 172 m² | +51 m² +42% | 2025 |
| 5, Cloonmore Drive825 m away | 92 m² | 140 m² | +48 m² +52% | 2014 |
| 8, Ashbury Lane215 m away | 166 m² | 205 m² | +39 m² +23% | 2014 |
| 111, Henley Avenue879 m away | 154 m² | 192 m² | +38 m² +25% | 2024 |
| 15, Ashbury Drive127 m away | 69 m² | 107 m² | +38 m² +55% | 2020 |
| 6, Blackstock Close159 m away | 36 m² | 72 m² | +36 m² +100% | 2021 |
| 258, Norton Lane858 m away | 127 m² | 158 m² | +31 m² +24% | 2025 |
| 14, Landseer Place510 m away | 84 m² | 115 m² | +31 m² +37% | 2014 |
| 2a, Henley Avenue974 m away | 125 m² | 155 m² | +30 m² +24% | 2014 |
| 36, Blackstock Crescent214 m away | 97 m² | 124 m² | +27 m² +28% | 2023 |
| 5, Ashbury Drive127 m away | 82 m² | 108 m² | +26 m² +32% | 2022 |
| 301, Blackstock Road814 m away | 82 m² | 107 m² | +25 m² +30% | 2017 |
| 26, Backmoor Road112 m away | 85 m² | 109 m² | +24 m² +28% | 2023 |
| 2, Norton Hall Stables, Norton Church Road868 m away | 113 m² | 134 m² | +21 m² +19% | 2024 |
| 394, Gaunt Road885 m away | 73 m² | 93 m² | +20 m² +27% | 2025 |
| 149, Blackstock Road447 m away | 81 m² | 101 m² | +20 m² +25% | 2020 |
| 11, Henley Avenue974 m away | 92 m² | 112 m² | +20 m² +22% | 2014 |
| 28, Landseer Place510 m away | 90 m² | 108 m² | +18 m² +20% | 2026 |
| 4, Henley Avenue974 m away | 118 m² | 136 m² | +18 m² +15% | 2025 |
| 24, Gaunt Road522 m away | 68 m² | 86 m² | +18 m² +26% | 2024 |
| 119, Ironside Road551 m away | 77 m² | 95 m² | +18 m² +23% | 2016 |
| 39, Gaunt Road421 m away | 66 m² | 83 m² | +17 m² +26% | 2014 |
| 270, Blackstock Road698 m away | 56 m² | 72 m² | +16 m² +29% | 2019 |
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.