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 9PB
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 Way647 m away | 63 m² | 148 m² | +85 m² +135% | 2010 |
| 3, Waterstone Way647 m away | 63 m² | 140 m² | +77 m² +122% | 2010 |
| 44, St James Lane852 m away | 69 m² | 136 m² | +67 m² +97% | 2015 |
| 4, Dawes Close102 m away | 77 m² | 137 m² | +60 m² +78% | 2022 |
| The Orchard, Mounts Road761 m away | 193 m² | 250 m² | +57 m² +30% | 2024 |
| 12, Steele Avenue100 m away | 68 m² | 122 m² | +54 m² +79% | 2020 |
| 247, London Road911 m away | 82 m² | 135 m² | +53 m² +65% | 2024 |
| 3, Carlton Avenue889 m away | 85 m² | 132 m² | +47 m² +55% | 2019 |
| 3, Meriel Walk996 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.
| 139 m² |
| 184 m² |
| +45 m² +32% |
| 2026 |
| 48, Courtyard Mews682 m away | 64 m² | 107 m² | +43 m² +67% | 2026 |
|---|
| 19, Dulcie Close638 m away | 43 m² | 86 m² | +43 m² +100% | 2023 |
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| 56, Kingfisher Drive349 m away | 183 m² | 226 m² | +43 m² +23% | 2009 |
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| 12, Chichester Road526 m away | 72 m² | 113 m² | +41 m² +57% | 2012 |
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| 18, Steele Avenue100 m away | 66 m² | 106 m² | +40 m² +61% | 2022 |
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| 38, Park Lane737 m away | 167 m² | 205 m² | +38 m² +23% | 2024 |
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| 1, Chambers Close99 m away | 81 m² | 117 m² | +36 m² +44% | 2026 |
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| 7, Kingfisher Drive381 m away | 140 m² | 176 m² | +36 m² +26% | 2026 |
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| 10, Kestrel Place, Waterstone Way726 m away | 65 m² | 101 m² | +36 m² +55% | 2019 |
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| 1, Warner House, Cotton Lane880 m away | 81 m² | 116 m² | +35 m² +43% | 2023 |
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| 2, Steele Avenue100 m away | 106 m² | 141 m² | +35 m² +33% | 2020 |
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| 35, Sara Crescent658 m away | 34 m² | 68 m² | +34 m² +100% | 2020 |
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| 8, Low Close206 m away | 59 m² | 92 m² | +33 m² +56% | 2024 |
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| 32, Mounts Road979 m away | 85 m² | 118 m² | +33 m² +39% | 2024 |
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| 44, Steele Avenue100 m away | 62 m² | 92 m² | +30 m² +48% | 2016 |
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| 4, Chalice Way576 m away | 61 m² | 90 m² | +29 m² +48% | 2024 |
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| 4, Barnfield Close590 m away | 112 m² | 141 m² | +29 m² +26% | 2023 |
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| 22, Frobisher Way792 m away | 75 m² | 104 m² | +29 m² +39% | 2023 |
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| 21, Hedge Place Road702 m away | 72 m² | 101 m² | +29 m² +40% | 2017 |
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| 3, Eliza Cook Close974 m away | 69 m² | 97 m² | +28 m² +41% | 2022 |
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| 22, Vantage Point, Fieldfare Lane913 m away | 61 m² | 89 m² | +28 m² +46% | 2021 |
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| 6, Branton Road487 m away | 108 m² | 135 m² | +27 m² +25% | 2023 |
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| 10, Brambling Close549 m away | 93 m² | 119 m² | +26 m² +28% | 2021 |
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| 10, Low Close206 m away | 53 m² | 78 m² | +25 m² +47% | 2025 |
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| 4, Frobisher Way792 m away | 96 m² | 121 m² | +25 m² +26% | 2025 |
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| 34, Frobisher Way792 m away | 82 m² | 106 m² | +24 m² +29% | 2023 |
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| 32, Frobisher Way792 m away | 77 m² | 101 m² | +24 m² +31% | 2021 |
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| 14, Ingress Park Avenue983 m away | 129 m² | 153 m² | +24 m² +19% | 2011 |
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| Flat 13, Linnet House, Skylark Avenue580 m away | 60 m² | 83 m² | +23 m² +38% | 2025 |
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| 31, Swallow Close441 m away | 55 m² | 77 m² | +22 m² +40% | 2026 |
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| 29, Castle Street293 m away | 57 m² | 79 m² | +22 m² +39% | 2021 |
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| 28, Cooper Close556 m away | 30 m² | 52 m² | +22 m² +73% | 2020 |
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| 20, Hedge Place Road702 m away | 92 m² | 114 m² | +22 m² +24% | 2015 |
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| 6, The Avenue888 m away | 81 m² | 103 m² | +22 m² +27% | 2010 |
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| 49, Unicorn Walk495 m away | 35 m² | 56 m² | +21 m² +60% | 2025 |
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| 9, Waterstone Way647 m away | 138 m² | 159 m² | +21 m² +15% | 2025 |
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| 24, Eagles Road642 m away | 56 m² | 77 m² | +21 m² +38% | 2023 |
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| 5, Swallow Close441 m away | 32 m² | 53 m² | +21 m² +66% | 2021 |
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| 3, Ifield Place202 m away | 104 m² | 124 m² | +20 m² +19% | 2026 |
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| 19, Maritime Close736 m away | 48 m² | 68 m² | +20 m² +42% | 2026 |
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| 12, Ivy Villas434 m away | 75 m² | 94 m² | +19 m² +25% | 2024 |
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| 24, Carlton Avenue889 m away | 87 m² | 105 m² | +18 m² +21% | 2025 |
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| 2, High Street747 m away | 88 m² | 106 m² | +18 m² +20% | 2021 |
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| 5, Skylark Avenue596 m away | 40 m² | 57 m² | +17 m² +43% | 2022 |
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| 41, Park Lane737 m away | 92 m² | 109 m² | +17 m² +18% | 2022 |
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| 65, Winston Close372 m away | 35 m² | 52 m² | +17 m² +49% | 2021 |
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| 9, Evans Close173 m away | 72 m² | 89 m² | +17 m² +24% | 2015 |
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| 8, Evans Close173 m away | 70 m² | 86 m² | +16 m² +23% | 2025 |
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| 14, Park Lane737 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
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| 40, Sayer Close176 m away | 41 m² | 57 m² | +16 m² +39% | 2021 |
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| 11, Chalice Way524 m away | 55 m² | 71 m² | +16 m² +29% | 2019 |
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| 1, Sara Crescent658 m away | 93 m² | 108 m² | +15 m² +16% | 2025 |
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| 9, Mariners Court, High Street657 m away | 64 m² | 79 m² | +15 m² +23% | 2024 |
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| 12, Church Path415 m away | 89 m² | 104 m² | +15 m² +17% | 2019 |
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| 75, Sandpiper Close320 m away | 52 m² | 67 m² | +15 m² +29% | 2015 |
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