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 E12 5HR
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 |
|---|---|---|---|---|
| 52, Aldersbrook Road541 m away | 230 m² | 390 m² | +160 m² +70% | 2022 |
| 200, Empress Avenue111 m away | 82 m² | 181 m² | +99 m² +121% | 2013 |
| 18, Wanstead Park Avenue346 m away | 157 m² | 244 m² | +87 m² +55% | 2025 |
| 50, Sackville Gardens970 m away | 118 m² | 198 m² | +80 m² +68% | 2021 |
| 429a, Wanstead Park Road875 m away | 66 m² | 145 m² | +79 m² +120% | 2026 |
| 355, Wanstead Park Road875 m away | 104 m² | 181 m² | +77 m² +74% | 2023 |
| 8, Park Road751 m away | 96 m² | 169 m² | +73 m² +76% | 2019 |
| 24, Highlands Gardens998 m away | 125 m² | 197 m² | +72 m² +58% | 2026 |
| 228, Wanstead Park Road875 m away |
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.
| 105 m² |
| 168 m² |
| +63 m² +60% |
| 2012 |
| 23, Northumberland Avenue525 m away | 159 m² | 220 m² | +61 m² +38% | 2016 |
|---|
| 28, Northumberland Avenue525 m away | 254 m² | 311 m² | +57 m² +22% | 2024 |
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| 2b, Harpenden Road670 m away | 83 m² | 140 m² | +57 m² +69% | 2024 |
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| 71, Herongate Road463 m away | 105 m² | 162 m² | +57 m² +54% | 2015 |
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| 23, Empress Avenue380 m away | 150 m² | 205 m² | +55 m² +37% | 2021 |
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| 264, Wanstead Park Road875 m away | 86 m² | 140 m² | +54 m² +63% | 2023 |
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| 56, Harpenden Road497 m away | 118 m² | 170 m² | +52 m² +44% | 2026 |
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| 43, Woodlands Avenue914 m away | 131 m² | 183 m² | +52 m² +40% | 2026 |
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| 50, Highlands Gardens998 m away | 111 m² | 163 m² | +52 m² +47% | 2022 |
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| 26, Westmorland Close55 m away | 76 m² | 125 m² | +49 m² +64% | 2025 |
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| 51, Dover Road481 m away | 97 m² | 143 m² | +46 m² +47% | 2019 |
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| 9, Stanhope Gardens972 m away | 146 m² | 188 m² | +42 m² +29% | 2023 |
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| 323, Wanstead Park Road811 m away | 147 m² | 189 m² | +42 m² +29% | 2022 |
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| 1, Harpenden Road670 m away | 108 m² | 147 m² | +39 m² +36% | 2024 |
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| 73, Aldersbrook Road485 m away | 172 m² | 209 m² | +37 m² +22% | 2022 |
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| 53, St Margarets Road352 m away | 133 m² | 169 m² | +36 m² +27% | 2021 |
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| 2, Harpenden Road670 m away | 97 m² | 133 m² | +36 m² +37% | 2016 |
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| 48, St Margarets Road364 m away | 130 m² | 164 m² | +34 m² +26% | 2023 |
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| 174, Wanstead Park Road856 m away | 126 m² | 160 m² | +34 m² +27% | 2022 |
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| 361, Wanstead Park Road875 m away | 119 m² | 153 m² | +34 m² +29% | 2020 |
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| 129, Wanstead Park Avenue226 m away | 128 m² | 162 m² | +34 m² +27% | 2012 |
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| 79c, Aldersbrook Road485 m away | 53 m² | 86 m² | +33 m² +62% | 2024 |
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| 215, Wanstead Park Road942 m away | 100 m² | 133 m² | +33 m² +33% | 2020 |
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| Flat 4, 41, Wanstead Park Avenue366 m away | 23 m² | 56 m² | +33 m² +143% | 2016 |
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| 79, Kensington Gardens982 m away | 72 m² | 104 m² | +32 m² +44% | 2024 |
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| 75, Sackville Gardens970 m away | 101 m² | 132 m² | +31 m² +31% | 2026 |
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| 1, Burden Way966 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
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| 101, Empress Avenue63 m away | 78 m² | 109 m² | +31 m² +40% | 2021 |
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| 64, Harpenden Road497 m away | 132 m² | 163 m² | +31 m² +23% | 2020 |
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| 211, Wanstead Park Road953 m away | 100 m² | 131 m² | +31 m² +31% | 2020 |
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| 12, Sunderland Way0 m away | 76 m² | 104 m² | +28 m² +37% | 2023 |
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| 10, Canterbury Avenue930 m away | 153 m² | 180 m² | +27 m² +18% | 2026 |
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| 197, Wanstead Park Road953 m away | 115 m² | 142 m² | +27 m² +23% | 2022 |
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| 7, Margaretting Road351 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
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| 29, Park Road785 m away | 121 m² | 147 m² | +26 m² +21% | 2023 |
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| 28, Herongate Road333 m away | 113 m² | 139 m² | +26 m² +23% | 2017 |
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| 45, Herongate Road336 m away | 145 m² | 170 m² | +25 m² +17% | 2020 |
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| 92, Harpenden Road497 m away | 114 m² | 138 m² | +24 m² +21% | 2025 |
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| Flat 8, St. James Court, 71, Aldersbrook Road485 m away | 51 m² | 74 m² | +23 m² +45% | 2023 |
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| 57, Seymour Gardens989 m away | 146 m² | 169 m² | +23 m² +16% | 2023 |
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| 266, Wanstead Park Road875 m away | 63 m² | 86 m² | +23 m² +37% | 2013 |
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| 195b, Capel Road971 m away | 100 m² | 123 m² | +23 m² +23% | 2009 |
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| 14, Stanhope Gardens972 m away | 57 m² | 79 m² | +22 m² +39% | 2021 |
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| 29, Herongate Road336 m away | 131 m² | 152 m² | +21 m² +16% | 2021 |
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| 19, Dover Road481 m away | 97 m² | 116 m² | +19 m² +20% | 2021 |
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| 60, Aldersbrook Road541 m away | 54 m² | 73 m² | +19 m² +35% | 2010 |
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| 34, Seymour Gardens989 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
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| 1, Empress Avenue380 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 18, Aldersbrook Road692 m away | 102 m² | 118 m² | +16 m² +16% | 2015 |
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| 120, Wanstead Park Avenue194 m away | 101 m² | 117 m² | +16 m² +16% | 2012 |
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| 281a, Wanstead Park Road856 m away | 50 m² | 65 m² | +15 m² +30% | 2010 |
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