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 DA9 9PT
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 |
|---|---|---|---|---|
| 5, Waterstone Way774 m away | 63 m² | 148 m² | +85 m² +135% | 2010 |
| 3, Waterstone Way774 m away | 63 m² | 140 m² | +77 m² +122% | 2010 |
| 44, St James Lane498 m away | 69 m² | 136 m² | +67 m² +97% | 2015 |
| 4, Dawes Close340 m away | 77 m² | 137 m² | +60 m² +78% | 2022 |
| 12, Steele Avenue434 m away | 68 m² | 122 m² | +54 m² +79% | 2020 |
| 247, London Road486 m away | 82 m² | 135 m² | +53 m² +65% | 2024 |
| 3, Carlton Avenue502 m away | 85 m² | 132 m² | +47 m² +55% | 2019 |
| 48, Courtyard Mews848 m away | 64 m² | 107 m² | +43 m² +67% | 2026 |
| 19, Dulcie Close213 m away | 43 m² |
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.
| +43 m² +100% |
| 2023 |
| 56, Kingfisher Drive637 m away | 183 m² | 226 m² | +43 m² +23% | 2009 |
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| 12, Chichester Road120 m away | 72 m² | 113 m² | +41 m² +57% | 2012 |
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| 18, Steele Avenue434 m away | 66 m² | 106 m² | +40 m² +61% | 2022 |
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| 38, Park Lane885 m away | 167 m² | 205 m² | +38 m² +23% | 2024 |
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| 1, Chambers Close519 m away | 81 m² | 117 m² | +36 m² +44% | 2026 |
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| 7, Kingfisher Drive677 m away | 140 m² | 176 m² | +36 m² +26% | 2026 |
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| 10, Kestrel Place, Waterstone Way834 m away | 65 m² | 101 m² | +36 m² +55% | 2019 |
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| 1, Warner House, Cotton Lane519 m away | 81 m² | 116 m² | +35 m² +43% | 2023 |
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| 2, Steele Avenue434 m away | 106 m² | 141 m² | +35 m² +33% | 2020 |
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| 8, Low Close616 m away | 59 m² | 92 m² | +33 m² +56% | 2024 |
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| 297, London Road283 m away | 44 m² | 75 m² | +31 m² +70% | 2009 |
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| 44, Steele Avenue434 m away | 62 m² | 92 m² | +30 m² +48% | 2016 |
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| 4, Chalice Way149 m away | 61 m² | 90 m² | +29 m² +48% | 2024 |
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| 4, Barnfield Close543 m away | 112 m² | 141 m² | +29 m² +26% | 2023 |
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| 21, Hedge Place Road351 m away | 72 m² | 101 m² | +29 m² +40% | 2017 |
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| 6, Branton Road146 m away | 108 m² | 135 m² | +27 m² +25% | 2023 |
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| 10, Brambling Close772 m away | 93 m² | 119 m² | +26 m² +28% | 2021 |
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| 10, Low Close616 m away | 53 m² | 78 m² | +25 m² +47% | 2025 |
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| 31, Acacia Road647 m away | 83 m² | 108 m² | +25 m² +30% | 2023 |
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| Flat 13, Linnet House, Skylark Avenue724 m away | 60 m² | 83 m² | +23 m² +38% | 2025 |
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| 31, Swallow Close0 m away | 55 m² | 77 m² | +22 m² +40% | 2026 |
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| 29, Castle Street695 m away | 57 m² | 79 m² | +22 m² +39% | 2021 |
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| 28, Cooper Close163 m away | 30 m² | 52 m² | +22 m² +73% | 2020 |
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| 20, Hedge Place Road351 m away | 92 m² | 114 m² | +22 m² +24% | 2015 |
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| 49, Unicorn Walk54 m away | 35 m² | 56 m² | +21 m² +60% | 2025 |
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| 9, Waterstone Way774 m away | 138 m² | 159 m² | +21 m² +15% | 2025 |
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| 37, Hayes Road830 m away | 92 m² | 113 m² | +21 m² +23% | 2025 |
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| 5, Swallow Close0 m away | 32 m² | 53 m² | +21 m² +66% | 2021 |
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| 3, Ifield Place615 m away | 104 m² | 124 m² | +20 m² +19% | 2026 |
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| 12, Ivy Villas849 m away | 75 m² | 94 m² | +19 m² +25% | 2024 |
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| 24, Carlton Avenue502 m away | 87 m² | 105 m² | +18 m² +21% | 2025 |
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| 5, Skylark Avenue699 m away | 40 m² | 57 m² | +17 m² +43% | 2022 |
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| 41, Park Lane885 m away | 92 m² | 109 m² | +17 m² +18% | 2022 |
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| 65, Winston Close210 m away | 35 m² | 52 m² | +17 m² +49% | 2021 |
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| 9, Evans Close549 m away | 72 m² | 89 m² | +17 m² +24% | 2015 |
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| 8, Evans Close549 m away | 70 m² | 86 m² | +16 m² +23% | 2025 |
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| 14, Park Lane885 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
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| 40, Sayer Close615 m away | 41 m² | 57 m² | +16 m² +39% | 2021 |
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| 11, Chalice Way126 m away | 55 m² | 71 m² | +16 m² +29% | 2019 |
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| 12, Church Path113 m away | 89 m² | 104 m² | +15 m² +17% | 2019 |
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| 75, Sandpiper Close556 m away | 52 m² | 67 m² | +15 m² +29% | 2015 |
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