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 BA21 4PP
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 |
|---|---|---|---|---|
| 1, Lingfield Avenue663 m away | 77 m² | 157 m² | +80 m² +104% | 2017 |
| 44, Combe Street Lane813 m away | 172 m² | 251 m² | +79 m² +46% | 2026 |
| 55, Mudford Road691 m away | 93 m² | 162 m² | +69 m² +74% | 2026 |
| 3, Milford Road460 m away | 99 m² | 166 m² | +67 m² +68% | 2019 |
| 43, Birchfield Road691 m away | 75 m² | 123 m² | +48 m² +64% | 2022 |
| 2, Glenthorne Avenue342 m away | 109 m² | 156 m² | +47 m² +43% | 2014 |
| 21, Mitchelmore Road938 m away | 102 m² | 148 m² | +46 m² +45% | 2021 |
| 8, Woodstock Road286 m away | 74 m² | 118 m² | +44 m² +59% | 2023 |
| 78, St Michael'S Avenue868 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.
| 94 m² |
| 138 m² |
| +44 m² +47% |
| 2011 |
| 87, Glenthorne Avenue85 m away | 56 m² | 99 m² | +43 m² +77% | 2025 |
|---|
| 248, St Michael'S Avenue424 m away | 87 m² | 128 m² | +41 m² +47% | 2026 |
|---|
| 40, Summerhouse View890 m away | 60 m² | 100 m² | +40 m² +67% | 2019 |
|---|
| 5, The Manse516 m away | 40 m² | 79 m² | +39 m² +98% | 2010 |
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| 4, Fielding Road667 m away | 35 m² | 71 m² | +36 m² +103% | 2022 |
|---|
| 174, Hillcrest Road429 m away | 77 m² | 113 m² | +36 m² +47% | 2013 |
|---|
| 42, St Michaels Avenue980 m away | 134 m² | 169 m² | +35 m² +26% | 2011 |
|---|
| 33, Summerhouse View890 m away | 72 m² | 106 m² | +34 m² +47% | 2024 |
|---|
| 16, Colmer Road908 m away | 158 m² | 192 m² | +34 m² +22% | 2024 |
|---|
| 9, The Manse516 m away | 33 m² | 65 m² | +32 m² +97% | 2023 |
|---|
| 39, Fairmead Road743 m away | 136 m² | 168 m² | +32 m² +24% | 2022 |
|---|
| 27, College Green673 m away | 109 m² | 141 m² | +32 m² +29% | 2021 |
|---|
| 72, Glenthorne Avenue85 m away | 80 m² | 112 m² | +32 m² +40% | 2015 |
|---|
| 184, St Michael'S Avenue561 m away | 122 m² | 152 m² | +30 m² +25% | 2017 |
|---|
| 19, Wingate Avenue348 m away | 86 m² | 115 m² | +29 m² +34% | 2026 |
|---|
| 71, College Green673 m away | 124 m² | 152 m² | +28 m² +23% | 2021 |
|---|
| 39, Eastland Road922 m away | 45 m² | 71 m² | +26 m² +58% | 2019 |
|---|
| 18, Kenmore Drive730 m away | 67 m² | 93 m² | +26 m² +39% | 2018 |
|---|
| 19, Colmer Road908 m away | 102 m² | 127 m² | +25 m² +25% | 2024 |
|---|
| Flat 12, Blackdown House, Sparrow Road949 m away | 48 m² | 73 m² | +25 m² +52% | 2014 |
|---|
| 88, Mudford Road523 m away | 98 m² | 122 m² | +24 m² +24% | 2020 |
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| 299, St Michael'S Avenue280 m away | 89 m² | 113 m² | +24 m² +27% | 2019 |
|---|
| Flat 3, Blackdown House, Sparrow Road949 m away | 43 m² | 67 m² | +24 m² +56% | 2014 |
|---|
| 12, Rivers Road755 m away | 74 m² | 98 m² | +24 m² +32% | 2013 |
|---|
| 96, Monmouth Road767 m away | 88 m² | 111 m² | +23 m² +26% | 2024 |
|---|
| 58, Glenthorne Avenue342 m away | 80 m² | 103 m² | +23 m² +29% | 2021 |
|---|
| 97, St Georges Avenue250 m away | 42 m² | 65 m² | +23 m² +55% | 2013 |
|---|
| 79, St Michael'S Avenue868 m away | 98 m² | 120 m² | +22 m² +22% | 2015 |
|---|
| 21, Portreeve Drive726 m away | 51 m² | 73 m² | +22 m² +43% | 2013 |
|---|
| 1, Winston Drive954 m away | 91 m² | 112 m² | +21 m² +23% | 2022 |
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| 14, Colmer Road908 m away | 107 m² | 128 m² | +21 m² +20% | 2020 |
|---|
| 19, Kenmore Drive730 m away | 64 m² | 85 m² | +21 m² +33% | 2015 |
|---|
| 9, Marsh Lane943 m away | 96 m² | 116 m² | +20 m² +21% | 2023 |
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| 76, Glenthorne Avenue85 m away | 73 m² | 93 m² | +20 m² +27% | 2021 |
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| 186, Lower Fairmead Road909 m away | 81 m² | 101 m² | +20 m² +25% | 2020 |
|---|
| Flat 10, Blackdown House, Sparrow Road949 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
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| 257, Mudford Road444 m away | 107 m² | 126 m² | +19 m² +18% | 2021 |
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| 3, Crofton Road829 m away | 89 m² | 108 m² | +19 m² +21% | 2020 |
|---|
| 45, Chilton Grove604 m away | 86 m² | 105 m² | +19 m² +22% | 2015 |
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| 146, St Michael'S Avenue685 m away | 89 m² | 108 m² | +19 m² +21% | 2015 |
|---|
| 256, Mudford Road507 m away | 120 m² | 138 m² | +18 m² +15% | 2025 |
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| 22, St Marys Crescent530 m away | 50 m² | 68 m² | +18 m² +36% | 2025 |
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| 37, Goldcroft943 m away | 76 m² | 94 m² | +18 m² +24% | 2019 |
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| 41, Glenthorne Avenue342 m away | 86 m² | 104 m² | +18 m² +21% | 2016 |
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| 64, St Michael'S Avenue868 m away | 77 m² | 95 m² | +18 m² +23% | 2014 |
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| 66, Netherton Road861 m away | 69 m² | 86 m² | +17 m² +25% | 2022 |
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| 20, Bucklers Mead Road596 m away | 59 m² | 76 m² | +17 m² +29% | 2020 |
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| 33, The Avenue986 m away | 39 m² | 55 m² | +16 m² +41% | 2025 |
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| 50, Kenmore Drive780 m away | 49 m² | 65 m² | +16 m² +33% | 2022 |
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| 47, Chilton Grove604 m away | 78 m² | 94 m² | +16 m² +21% | 2018 |
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| 4, Meadow Road962 m away | 60 m² | 76 m² | +16 m² +27% | 2013 |
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| 6, Crofton Avenue874 m away | 81 m² | 96 m² | +15 m² +19% | 2026 |
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| 122, Milford Road410 m away | 92 m² | 107 m² | +15 m² +16% | 2022 |
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| 37, Sunningdale Road608 m away | 90 m² | 105 m² | +15 m² +17% | 2022 |
|---|
| 110, Goldcroft831 m away | 99 m² | 114 m² | +15 m² +15% | 2021 |
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| 52, High Lea303 m away | 81 m² | 96 m² | +15 m² +19% | 2018 |
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| 51, Chelston Avenue289 m away | 85 m² | 100 m² | +15 m² +18% | 2017 |
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| 48, Mayfield Road788 m away | 86 m² | 101 m² | +15 m² +17% | 2015 |
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| 77, Chelston Avenue227 m away | 84 m² | 99 m² | +15 m² +18% | 2014 |
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| 241, St Michael'S Avenue263 m away | 72 m² | 87 m² | +15 m² +21% | 2014 |
|---|
| 33, Fielding Road718 m away | 57 m² | 72 m² | +15 m² +26% | 2014 |
|---|
| 7, Matthews Road998 m away | 88 m² | 103 m² | +15 m² +17% | 2009 |
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