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 PO10 8AP
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 |
|---|---|---|---|---|
| 17, Slipper Road116 m away | 143 m² | 294 m² | +151 m² +106% | 2021 |
| 24, Beacon Square963 m away | 251 m² | 374 m² | +123 m² +49% | 2021 |
| 17, Valetta Park966 m away | 98 m² | 204 m² | +106 m² +108% | 2026 |
| 38, Beacon Square963 m away | 163 m² | 263 m² | +100 m² +61% | 2015 |
| 10, Warblington Road893 m away | 111 m² | 208 m² | +97 m² +87% | 2017 |
| 4, John King Shipyard357 m away | 93 m² | 174 m² | +81 m² +87% | 2014 |
| 1, The Fishermans373 m away | 153 m² | 230 m² | +77 m² +50% | 2026 |
| 32, Warblington Road893 m away | 136 m² | 211 m² | +75 m² +55% | 2015 |
| 10a, Esmond Close847 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.
| 138 m² |
| 206 m² |
| +68 m² +49% |
| 2022 |
| 20, New Brighton Road874 m away | 82 m² | 150 m² | +68 m² +83% | 2022 |
|---|
| 47, North Street652 m away | 102 m² | 163 m² | +61 m² +60% | 2023 |
|---|
| 30, Havant Road838 m away | 284 m² | 342 m² | +58 m² +20% | 2021 |
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| 46, Main Road77 m away | 77 m² | 135 m² | +58 m² +75% | 2010 |
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| 13, Bridgefoot Path613 m away | 46 m² | 103 m² | +57 m² +124% | 2009 |
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| 16, New Brighton Road874 m away | 100 m² | 155 m² | +55 m² +55% | 2012 |
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| The Arches, Lumley Road520 m away | 123 m² | 176 m² | +53 m² +43% | 2018 |
|---|
| 2, Roundhouse Meadow279 m away | 151 m² | 202 m² | +51 m² +34% | 2021 |
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| 16, Valetta Park966 m away | 96 m² | 144 m² | +48 m² +50% | 2018 |
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| 11, Gordon Road365 m away | 64 m² | 111 m² | +47 m² +73% | 2024 |
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| 33, St James Road703 m away | 89 m² | 136 m² | +47 m² +53% | 2018 |
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| 6, Valetta Park966 m away | 134 m² | 181 m² | +47 m² +35% | 2017 |
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| 5, Westgrove Gardens682 m away | 72 m² | 118 m² | +46 m² +64% | 2024 |
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| 60, Main Road247 m away | 124 m² | 168 m² | +44 m² +35% | 2025 |
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| 100, Main Road386 m away | 89 m² | 133 m² | +44 m² +49% | 2025 |
|---|
| 1, Orange Row518 m away | 120 m² | 161 m² | +41 m² +34% | 2022 |
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| 52, King Street286 m away | 139 m² | 177 m² | +38 m² +27% | 2016 |
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| 2, The Fishermans373 m away | 173 m² | 209 m² | +36 m² +21% | 2026 |
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| Rookery Cottage, Lumley Road223 m away | 81 m² | 116 m² | +35 m² +43% | 2019 |
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| 28, Bosmere Gardens900 m away | 61 m² | 96 m² | +35 m² +57% | 2014 |
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| 30, Queen Street319 m away | 67 m² | 102 m² | +35 m² +52% | 2012 |
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| 2, Harbour Way261 m away | 114 m² | 148 m² | +34 m² +30% | 2021 |
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| 26, Bath Road703 m away | 119 m² | 153 m² | +34 m² +29% | 2014 |
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| 15, Frankland Terrace318 m away | 80 m² | 111 m² | +31 m² +39% | 2021 |
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| 21, King Street339 m away | 74 m² | 104 m² | +30 m² +41% | 2020 |
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| 10, Woodfield Park Road237 m away | 46 m² | 76 m² | +30 m² +65% | 2018 |
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| 27, Orchard Lane165 m away | 67 m² | 97 m² | +30 m² +45% | 2013 |
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| 25, Warblington Road863 m away | 133 m² | 162 m² | +29 m² +22% | 2026 |
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| 23, Slipper Road116 m away | 170 m² | 198 m² | +28 m² +16% | 2024 |
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| 117a, Main Road471 m away | 72 m² | 99 m² | +27 m² +38% | 2023 |
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| 18, Pagham Close71 m away | 44 m² | 70 m² | +26 m² +59% | 2016 |
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| 14, Nile Street535 m away | 85 m² | 111 m² | +26 m² +31% | 2011 |
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| 1, Stanley Road321 m away | 96 m² | 121 m² | +25 m² +26% | 2026 |
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| 40, Bridgefoot Path593 m away | 92 m² | 117 m² | +25 m² +27% | 2026 |
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| 19, Queen Street302 m away | 129 m² | 154 m² | +25 m² +19% | 2023 |
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| 58, Woodfield Park Road237 m away | 110 m² | 135 m² | +25 m² +23% | 2013 |
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| 7, Victoria Road795 m away | 148 m² | 172 m² | +24 m² +16% | 2022 |
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| 26a, Queen Street319 m away | 53 m² | 77 m² | +24 m² +45% | 2015 |
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| 6, Orange Row518 m away | 44 m² | 67 m² | +23 m² +52% | 2019 |
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| 20, Pagham Close71 m away | 47 m² | 70 m² | +23 m² +49% | 2016 |
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| 26, Queen Street319 m away | 55 m² | 77 m² | +22 m² +40% | 2015 |
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| 22c, Bosmere Gardens900 m away | 73 m² | 95 m² | +22 m² +30% | 2015 |
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| 21, Ernest Close948 m away | 111 m² | 130 m² | +19 m² +17% | 2022 |
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| 11, Queen Street302 m away | 119 m² | 138 m² | +19 m² +16% | 2019 |
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| Flat 7, Rockwood Court, 53 - 55, North Street652 m away | 43 m² | 61 m² | +18 m² +42% | 2024 |
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| 17, Spring Gardens397 m away | 114 m² | 132 m² | +18 m² +16% | 2022 |
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| 22, Valetta Park966 m away | 106 m² | 124 m² | +18 m² +17% | 2017 |
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| 3, St James Road699 m away | 87 m² | 104 m² | +17 m² +20% | 2025 |
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| 5, Kings Terrace431 m away | 73 m² | 89 m² | +16 m² +22% | 2026 |
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| 15a, North Street545 m away | 66 m² | 82 m² | +16 m² +24% | 2015 |
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| 16, Nile Street535 m away | 77 m² | 92 m² | +15 m² +19% | 2026 |
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| 37, Bosmere Gardens900 m away | 85 m² | 100 m² | +15 m² +18% | 2024 |
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| 6, Church Path624 m away | 76 m² | 91 m² | +15 m² +20% | 2019 |
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| 12, Victoria Road795 m away | 68 m² | 83 m² | +15 m² +22% | 2015 |
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