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 DL14 6XL
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 |
|---|---|---|---|---|
| 4, Woodhouse Lane819 m away | 101 m² | 219 m² | +118 m² +117% | 2020 |
| 91, St Andrews Road784 m away | 131 m² | 205 m² | +74 m² +56% | 2021 |
| 30, Northumberland Avenue958 m away | 145 m² | 216 m² | +71 m² +49% | 2025 |
| 12, Oaklea Terrace913 m away | 89 m² | 160 m² | +71 m² +80% | 2015 |
| 53, Cockton Hill Road862 m away | 69 m² | 131 m² | +62 m² +90% | 2025 |
| 2, Kensington South617 m away | 155 m² | 215 m² | +60 m² +39% | 2021 |
| 13, Brewer Street820 m away | 77 m² | 135 m² | +58 m² +75% | 2014 |
| 76, St Andrews Road784 m away | 106 m² | 160 m² | +54 m² +51% | 2026 |
| 10, Northumberland Avenue832 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.
| 118 m² |
| 171 m² |
| +53 m² +45% |
| 2016 |
| 5, St Peters Close769 m away | 146 m² | 198 m² | +52 m² +36% | 2022 |
|---|
| 74, Seymour Street522 m away | 93 m² | 145 m² | +52 m² +56% | 2014 |
|---|
| 10, Surrey Place183 m away | 76 m² | 125 m² | +49 m² +64% | 2021 |
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| 105, Watling Road216 m away | 84 m² | 131 m² | +47 m² +56% | 2019 |
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| 33, Beaumont Street645 m away | 117 m² | 162 m² | +45 m² +38% | 2013 |
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| 18, Aldhun Close0 m away | 78 m² | 120 m² | +42 m² +54% | 2023 |
|---|
| 29, Watling Road265 m away | 89 m² | 130 m² | +41 m² +46% | 2026 |
|---|
| 24, Ravensworth Avenue754 m away | 67 m² | 106 m² | +39 m² +58% | 2023 |
|---|
| 84, Cockton Hill Road720 m away | 145 m² | 183 m² | +38 m² +26% | 2020 |
|---|
| 15, Eastlea Avenue937 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
|---|
| 19, Ravensworth Avenue754 m away | 90 m² | 127 m² | +37 m² +41% | 2023 |
|---|
| 14, St Cuthberts Way649 m away | 51 m² | 88 m² | +37 m² +73% | 2022 |
|---|
| 27, Surrey Place183 m away | 75 m² | 112 m² | +37 m² +49% | 2021 |
|---|
| 97, Watling Road216 m away | 90 m² | 125 m² | +35 m² +39% | 2022 |
|---|
| 36, St Andrews Road784 m away | 63 m² | 98 m² | +35 m² +56% | 2017 |
|---|
| 30, Short Street586 m away | 75 m² | 110 m² | +35 m² +47% | 2010 |
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| 41, Cambridge Court907 m away | 28 m² | 62 m² | +34 m² +121% | 2023 |
|---|
| 28, Crawford Close520 m away | 77 m² | 111 m² | +34 m² +44% | 2021 |
|---|
| 4, Arthur Terrace625 m away | 84 m² | 118 m² | +34 m² +40% | 2015 |
|---|
| 17, Hillbeck Street874 m away | 32 m² | 65 m² | +33 m² +103% | 2024 |
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| 39, St Andrews Road578 m away | 85 m² | 116 m² | +31 m² +36% | 2024 |
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| 10, Jenkins Drive90 m away | 71 m² | 100 m² | +29 m² +41% | 2024 |
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| 45, Cambridge Court907 m away | 28 m² | 57 m² | +29 m² +104% | 2023 |
|---|
| 23, Brooklands549 m away | 76 m² | 104 m² | +28 m² +37% | 2025 |
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| 15, Arthur Terrace625 m away | 76 m² | 104 m² | +28 m² +37% | 2023 |
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| 39, Seymour Street654 m away | 88 m² | 116 m² | +28 m² +32% | 2019 |
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| 24, Shawbrow View188 m away | 52 m² | 80 m² | +28 m² +54% | 2013 |
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| 115, Watling Road216 m away | 88 m² | 115 m² | +27 m² +31% | 2022 |
|---|
| 4, Morpeth Grove975 m away | 112 m² | 139 m² | +27 m² +24% | 2014 |
|---|
| 29, Arthur Terrace625 m away | 64 m² | 88 m² | +24 m² +38% | 2026 |
|---|
| 44, Woodhouse Lane819 m away | 64 m² | 88 m² | +24 m² +38% | 2014 |
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| 9, Barnard Avenue974 m away | 77 m² | 99 m² | +22 m² +29% | 2024 |
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| 24, Dere Avenue862 m away | 74 m² | 96 m² | +22 m² +30% | 2016 |
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| 4, Cleveland Avenue869 m away | 79 m² | 100 m² | +21 m² +27% | 2025 |
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| 11, Arthur Terrace625 m away | 81 m² | 102 m² | +21 m² +26% | 2023 |
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| 6, Vart Road471 m away | 99 m² | 119 m² | +20 m² +20% | 2024 |
|---|
| 40, Howard Close809 m away | 60 m² | 80 m² | +20 m² +33% | 2021 |
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| 73, St Andrews Road578 m away | 88 m² | 108 m² | +20 m² +23% | 2016 |
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| 5, Walmer Avenue851 m away | 103 m² | 123 m² | +20 m² +19% | 2014 |
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| 1, Cornwall Place287 m away | 66 m² | 85 m² | +19 m² +29% | 2026 |
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| 8, Ashcroft Gardens901 m away | 96 m² | 115 m² | +19 m² +20% | 2026 |
|---|
| 14, Worcester Place154 m away | 86 m² | 105 m² | +19 m² +22% | 2021 |
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| 81, Woodhouse Lane757 m away | 103 m² | 122 m² | +19 m² +18% | 2016 |
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| 21, Vart Road471 m away | 85 m² | 104 m² | +19 m² +22% | 2013 |
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| 1, Beaumont Street645 m away | 73 m² | 92 m² | +19 m² +26% | 2013 |
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| 57, Brooklands549 m away | 94 m² | 112 m² | +18 m² +19% | 2021 |
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| 140, Cockton Hill Road535 m away | 114 m² | 132 m² | +18 m² +16% | 2015 |
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| The Nook, East Deanery733 m away | 108 m² | 126 m² | +18 m² +17% | 2013 |
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| 11, Short Street586 m away | 82 m² | 99 m² | +17 m² +21% | 2023 |
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| 22, Frances Terrace647 m away | 70 m² | 87 m² | +17 m² +24% | 2020 |
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| 32, North End Gardens913 m away | 77 m² | 94 m² | +17 m² +22% | 2015 |
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| 31, Short Street586 m away | 72 m² | 89 m² | +17 m² +24% | 2013 |
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| 58, Brooklands549 m away | 60 m² | 76 m² | +16 m² +27% | 2025 |
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| 17, Bell Street736 m away | 90 m² | 106 m² | +16 m² +18% | 2024 |
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| 99, Watling Road216 m away | 102 m² | 118 m² | +16 m² +16% | 2022 |
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| 20, Westlea Avenue919 m away | 100 m² | 116 m² | +16 m² +16% | 2016 |
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| 17, Barnard Avenue974 m away | 79 m² | 95 m² | +16 m² +20% | 2016 |
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| 6, Wood Square700 m away | 78 m² | 94 m² | +16 m² +21% | 2014 |
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| 10, Hillbeck Street874 m away | 70 m² | 85 m² | +15 m² +21% | 2025 |
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| 31, Eastlea Avenue937 m away | 70 m² | 85 m² | +15 m² +21% | 2025 |
|---|
| 28, Hurworth Street869 m away | 87 m² | 102 m² | +15 m² +17% | 2024 |
|---|
| 11, Hillbeck Street874 m away | 62 m² | 77 m² | +15 m² +24% | 2023 |
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| 36, Cheesmond Avenue978 m away | 65 m² | 80 m² | +15 m² +23% | 2020 |
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| 32, Walmer Avenue851 m away | 86 m² | 101 m² | +15 m² +17% | 2017 |
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| 2, Barnard Avenue974 m away | 80 m² | 95 m² | +15 m² +19% | 2014 |
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