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 CT9 3TA
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 |
|---|---|---|---|---|
| 64, Northdown Hill887 m away | 101 m² | 160 m² | +59 m² +58% | 2015 |
| 71, Arlington Gardens0 m away | 95 m² | 153 m² | +58 m² +61% | 2014 |
| 23, Kent Road481 m away | 92 m² | 149 m² | +57 m² +62% | 2026 |
| 99, Northumberland Avenue865 m away | 128 m² | 176 m² | +48 m² +38% | 2024 |
| 100, Millmead Road368 m away | 130 m² | 178 m² | +48 m² +37% | 2020 |
| 165, Northdown Park Road674 m away | 71 m² | 118 m² | +47 m² +66% | 2025 |
| 9, Invicta Road372 m away | 117 m² | 164 m² | +47 m² +40% | 2022 |
| 33, Dalmeny Avenue894 m away | 71 m² | 117 m² | +46 m² +65% | 2025 |
| 10, Arlington Gardens217 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.
| 95 m² |
| 138 m² |
| +43 m² +45% |
| 2026 |
| 14, Kent Road481 m away | 83 m² | 124 m² | +41 m² +49% | 2026 |
|---|
| 50, Victoria Avenue979 m away | 65 m² | 106 m² | +41 m² +63% | 2014 |
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| 37, Holly Lane900 m away | 141 m² | 179 m² | +38 m² +27% | 2023 |
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| 29, Windsor Avenue951 m away | 124 m² | 161 m² | +37 m² +30% | 2026 |
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| 32, Dalmeny Avenue894 m away | 109 m² | 145 m² | +36 m² +33% | 2025 |
|---|
| 24, Holly Lane900 m away | 197 m² | 232 m² | +35 m² +18% | 2023 |
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| 29, St Michaels Avenue790 m away | 82 m² | 117 m² | +35 m² +43% | 2020 |
|---|
| 113, Northdown Park Road684 m away | 62 m² | 96 m² | +34 m² +55% | 2020 |
|---|
| 73, Northdown Park Road842 m away | 153 m² | 186 m² | +33 m² +22% | 2026 |
|---|
| 29, Cedar Close778 m away | 80 m² | 113 m² | +33 m² +41% | 2023 |
|---|
| Dallington, Richmond Avenue879 m away | 200 m² | 233 m² | +33 m² +17% | 2016 |
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| 44, Irvine Drive187 m away | 82 m² | 114 m² | +32 m² +39% | 2025 |
|---|
| 11, The Ridgeway848 m away | 101 m² | 133 m² | +32 m² +32% | 2025 |
|---|
| The Little House, St Peters Footpath460 m away | 62 m² | 92 m² | +30 m² +48% | 2022 |
|---|
| 67, Upper Dane Road796 m away | 124 m² | 154 m² | +30 m² +24% | 2018 |
|---|
| 19, Victoria Avenue817 m away | 55 m² | 84 m² | +29 m² +53% | 2018 |
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| 22, Northdown Park Road968 m away | 106 m² | 135 m² | +29 m² +27% | 2017 |
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| 85, Northumberland Avenue865 m away | 130 m² | 159 m² | +29 m² +22% | 2016 |
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| 32, Fitzroy Avenue755 m away | 90 m² | 118 m² | +28 m² +31% | 2017 |
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| 187, Millmead Road540 m away | 95 m² | 122 m² | +27 m² +28% | 2012 |
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| 54, Whitfield Avenue902 m away | 96 m² | 122 m² | +26 m² +27% | 2013 |
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| 1, Drapers Cottages, St Peters Road835 m away | 73 m² | 98 m² | +25 m² +34% | 2024 |
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| 9, Foreland Avenue949 m away | 102 m² | 127 m² | +25 m² +25% | 2022 |
|---|
| 14, Elfrida Close248 m away | 90 m² | 115 m² | +25 m² +28% | 2020 |
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| Belle Cottage, Green Lane944 m away | 85 m² | 109 m² | +24 m² +28% | 2019 |
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| 22, Old Green Road841 m away | 76 m² | 100 m² | +24 m² +32% | 2010 |
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| 19, Wellesley Road979 m away | 100 m² | 123 m² | +23 m² +23% | 2023 |
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| 39, St Michaels Avenue790 m away | 71 m² | 94 m² | +23 m² +32% | 2022 |
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| 27, Friends Avenue477 m away | 84 m² | 107 m² | +23 m² +27% | 2020 |
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| 45, St Michaels Avenue790 m away | 71 m² | 94 m² | +23 m² +32% | 2016 |
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| 16, St Anthonys Way664 m away | 96 m² | 118 m² | +22 m² +23% | 2024 |
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| 31, Dalmeny Avenue894 m away | 113 m² | 135 m² | +22 m² +19% | 2021 |
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| Sunnyside, St Peters Footpath460 m away | 117 m² | 138 m² | +21 m² +18% | 2014 |
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| 6, Millmead Gardens631 m away | 67 m² | 87 m² | +20 m² +30% | 2024 |
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| 38, Queen Elizabeth Avenue827 m away | 72 m² | 92 m² | +20 m² +28% | 2010 |
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| 217, Northdown Park Road849 m away | 93 m² | 112 m² | +19 m² +20% | 2020 |
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| 12, Holly Gardens994 m away | 99 m² | 118 m² | +19 m² +19% | 2017 |
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| 5, Whitfield Avenue902 m away | 79 m² | 97 m² | +18 m² +23% | 2015 |
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| 62, Glencoe Road951 m away | 93 m² | 110 m² | +17 m² +18% | 2026 |
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| 40, Arlington Gardens217 m away | 81 m² | 98 m² | +17 m² +21% | 2021 |
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| 1, Victoria Avenue897 m away | 69 m² | 85 m² | +16 m² +23% | 2014 |
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| 96, Northdown Park Road716 m away | 94 m² | 110 m² | +16 m² +17% | 2013 |
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| 22, St Anthonys Way664 m away | 78 m² | 93 m² | +15 m² +19% | 2021 |
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| 6, Palmer Crescent152 m away | 83 m² | 98 m² | +15 m² +18% | 2017 |
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