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 BB12 0EB
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 |
|---|---|---|---|---|
| 164, Abel Street906 m away | 97 m² | 196 m² | +99 m² +102% | 2015 |
| 147, Barden Lane779 m away | 103 m² | 199 m² | +96 m² +93% | 2014 |
| 156, Grey Street887 m away | 86 m² | 179 m² | +93 m² +108% | 2015 |
| 307, Colne Road915 m away | 158 m² | 244 m² | +86 m² +54% | 2016 |
| 90, Elm Street891 m away | 85 m² | 171 m² | +86 m² +101% | 2014 |
| 47, Prairie Crescent758 m away | 78 m² | 155 m² | +77 m² +99% | 2017 |
| 229, Colne Road967 m away | 88 m² | 165 m² | +77 m² +88% | 2014 |
| 506, Colne Road916 m away | 161 m² | 236 m² | +75 m² +47% | 2013 |
| 93, Barden Lane971 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.
| 161 m² |
| +74 m² +85% |
| 2016 |
| 33, Cardinal Street912 m away | 72 m² | 146 m² | +74 m² +103% | 2013 |
|---|
| 77, Barden Lane971 m away | 56 m² | 126 m² | +70 m² +125% | 2014 |
|---|
| 101, Barden Lane971 m away | 90 m² | 160 m² | +70 m² +78% | 2014 |
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| 61, Barden Lane971 m away | 84 m² | 153 m² | +69 m² +82% | 2014 |
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| 97, Barden Lane971 m away | 88 m² | 153 m² | +65 m² +74% | 2014 |
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| 17, Healdwood Drive187 m away | 77 m² | 137 m² | +60 m² +78% | 2024 |
|---|
| 75, Barden Lane971 m away | 82 m² | 141 m² | +59 m² +72% | 2014 |
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| 137, Grey Street887 m away | 111 m² | 166 m² | +55 m² +50% | 2014 |
|---|
| 55, Barden Lane971 m away | 92 m² | 147 m² | +55 m² +60% | 2014 |
|---|
| 17, Holden Road981 m away | 139 m² | 193 m² | +54 m² +39% | 2013 |
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| 18, Highfield Avenue935 m away | 128 m² | 181 m² | +53 m² +41% | 2014 |
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| 96, Elm Street891 m away | 97 m² | 147 m² | +50 m² +52% | 2016 |
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| 10, Cameron Street856 m away | 50 m² | 100 m² | +50 m² +100% | 2014 |
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| 297, Colne Road915 m away | 68 m² | 118 m² | +50 m² +74% | 2014 |
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| 35, Howsin Street835 m away | 66 m² | 115 m² | +49 m² +74% | 2015 |
|---|
| 3, Highfield Avenue965 m away | 66 m² | 113 m² | +47 m² +71% | 2014 |
|---|
| 110, Waterbarn Street985 m away | 153 m² | 200 m² | +47 m² +31% | 2014 |
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| 49, Evelyn Street793 m away | 98 m² | 143 m² | +45 m² +46% | 2016 |
|---|
| 23, Fifth Avenue973 m away | 122 m² | 166 m² | +44 m² +36% | 2025 |
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| 73, Barden Lane971 m away | 86 m² | 130 m² | +44 m² +51% | 2014 |
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| 339, Colne Road887 m away | 240 m² | 279 m² | +39 m² +16% | 2015 |
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| 3, Bright Street996 m away | 77 m² | 115 m² | +38 m² +49% | 2014 |
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| 1, Ada Street974 m away | 79 m² | 116 m² | +37 m² +47% | 2015 |
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| 13, Holden Road981 m away | 91 m² | 127 m² | +36 m² +40% | 2022 |
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| 15, Garswood Close197 m away | 74 m² | 110 m² | +36 m² +49% | 2015 |
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| 13, Ada Street974 m away | 64 m² | 99 m² | +35 m² +55% | 2016 |
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| 9, Howsin Street839 m away | 69 m² | 104 m² | +35 m² +51% | 2014 |
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| 13, Lower Mead Drive155 m away | 85 m² | 119 m² | +34 m² +40% | 2023 |
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| 237, Colne Road967 m away | 78 m² | 112 m² | +34 m² +44% | 2017 |
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| 6, Highfield Avenue965 m away | 109 m² | 142 m² | +33 m² +30% | 2016 |
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| 68, Disraeli Street695 m away | 76 m² | 109 m² | +33 m² +43% | 2014 |
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| 2, Murray Street951 m away | 72 m² | 105 m² | +33 m² +46% | 2014 |
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| 25, Ada Street974 m away | 62 m² | 95 m² | +33 m² +53% | 2014 |
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| 29, Windermere Avenue583 m away | 83 m² | 115 m² | +32 m² +39% | 2023 |
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| 366, Colne Road964 m away | 74 m² | 106 m² | +32 m² +43% | 2014 |
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| 348, Colne Road964 m away | 50 m² | 82 m² | +32 m² +64% | 2014 |
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| 39, Howsin Street835 m away | 70 m² | 100 m² | +30 m² +43% | 2015 |
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| 253, Colne Road967 m away | 69 m² | 99 m² | +30 m² +43% | 2015 |
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| 113, Barden Lane971 m away | 95 m² | 125 m² | +30 m² +32% | 2015 |
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| 143, Barden Lane779 m away | 64 m² | 94 m² | +30 m² +47% | 2014 |
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| 21, Howsin Street839 m away | 154 m² | 183 m² | +29 m² +19% | 2014 |
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| 25, Cameron Street874 m away | 77 m² | 106 m² | +29 m² +38% | 2014 |
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| 45, Francis Street975 m away | 176 m² | 205 m² | +29 m² +16% | 2014 |
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| 396, Colne Road880 m away | 90 m² | 118 m² | +28 m² +31% | 2015 |
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| 17, Godiva Street853 m away | 72 m² | 100 m² | +28 m² +39% | 2014 |
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| 11 - 13, Violet Street911 m away | 134 m² | 162 m² | +28 m² +21% | 2014 |
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| 58, Disraeli Street695 m away | 79 m² | 105 m² | +26 m² +33% | 2014 |
|---|
| 309, Colne Road915 m away | 145 m² | 171 m² | +26 m² +18% | 2014 |
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| Apartment 12, Osborne Grove, 367, Colne Road910 m away | 75 m² | 100 m² | +25 m² +33% | 2018 |
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| 153, Barden Lane779 m away | 91 m² | 116 m² | +25 m² +27% | 2014 |
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| 24, Murray Street951 m away | 102 m² | 126 m² | +24 m² +24% | 2016 |
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| 346, Colne Road964 m away | 82 m² | 106 m² | +24 m² +29% | 2014 |
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| 227, Colne Road967 m away | 81 m² | 105 m² | +24 m² +30% | 2014 |
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| 89, Barden Lane971 m away | 135 m² | 159 m² | +24 m² +18% | 2014 |
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| 84, New Hall Street991 m away | 88 m² | 112 m² | +24 m² +27% | 2013 |
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| 50, Lower Manor Lane0 m away | 126 m² | 149 m² | +23 m² +18% | 2025 |
|---|
| 18, Evelyn Street793 m away | 75 m² | 98 m² | +23 m² +31% | 2014 |
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| 107, Barden Lane971 m away | 85 m² | 108 m² | +23 m² +27% | 2014 |
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| 45, Evelyn Street793 m away | 71 m² | 93 m² | +22 m² +31% | 2016 |
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| 464, Colne Road819 m away | 91 m² | 113 m² | +22 m² +24% | 2016 |
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| 384, Colne Road964 m away | 89 m² | 110 m² | +21 m² +24% | 2016 |
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| 1, Holmby Street932 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
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| 100, Waterbarn Street985 m away | 85 m² | 106 m² | +21 m² +25% | 2014 |
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| 410, Colne Road880 m away | 93 m² | 113 m² | +20 m² +22% | 2014 |
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| 51, Barden Lane971 m away | 87 m² | 107 m² | +20 m² +23% | 2014 |
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| 8, Howsin Street835 m away | 71 m² | 90 m² | +19 m² +27% | 2014 |
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| 46, Cardinal Street912 m away | 76 m² | 95 m² | +19 m² +25% | 2014 |
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| 49, Lower Manor Lane0 m away | 53 m² | 71 m² | +18 m² +34% | 2023 |
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| 14, Blacker Street479 m away | 66 m² | 84 m² | +18 m² +27% | 2016 |
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| 1, Howsin Street839 m away | 49 m² | 67 m² | +18 m² +37% | 2016 |
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| 33, Howsin Street835 m away | 111 m² | 129 m² | +18 m² +16% | 2015 |
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| 7, Godiva Street853 m away | 74 m² | 92 m² | +18 m² +24% | 2014 |
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| 2, Godiva Street853 m away | 72 m² | 90 m² | +18 m² +25% | 2014 |
|---|
| 99, Windermere Avenue724 m away | 94 m² | 112 m² | +18 m² +19% | 2013 |
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| 21, Kyan Street737 m away | 72 m² | 89 m² | +17 m² +24% | 2026 |
|---|
| 370, Colne Road964 m away | 72 m² | 89 m² | +17 m² +24% | 2015 |
|---|
| 7, Healdwood Close178 m away | 65 m² | 82 m² | +17 m² +26% | 2014 |
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| 91, Barden Lane971 m away | 87 m² | 104 m² | +17 m² +20% | 2014 |
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| 32, Darwin Street682 m away | 75 m² | 92 m² | +17 m² +23% | 2011 |
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| 16, Godiva Street853 m away | 74 m² | 90 m² | +16 m² +22% | 2024 |
|---|
| 10, Keswick Road756 m away | 80 m² | 96 m² | +16 m² +20% | 2016 |
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| 6, Cameron Street856 m away | 57 m² | 73 m² | +16 m² +28% | 2016 |
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| 38, Cardinal Street912 m away | 67 m² | 83 m² | +16 m² +24% | 2013 |
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| 6, Evelyn Street793 m away | 71 m² | 86 m² | +15 m² +21% | 2016 |
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| 4, Board Street941 m away | 90 m² | 105 m² | +15 m² +17% | 2016 |
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| 148, Grey Street887 m away | 67 m² | 82 m² | +15 m² +22% | 2014 |
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| 22, Murray Street951 m away | 87 m² | 102 m² | +15 m² +17% | 2014 |
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