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 SO23 9TU
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 |
|---|---|---|---|---|
| Magna, George Eyston Drive890 m away | 187 m² | 427 m² | +240 m² +128% | 2024 |
| 6, Barnes Close205 m away | 344 m² | 489 m² | +145 m² +42% | 2025 |
| 12, Whiteshute Lane424 m away | 100 m² | 241 m² | +141 m² +141% | 2020 |
| 33, Cripstead Lane384 m away | 104 m² | 222 m² | +118 m² +113% | 2013 |
| 2, Long Close331 m away | 95 m² | 196 m² | +101 m² +106% | 2018 |
| 80, Canon Street775 m away | 74 m² | 173 m² | +99 m² +134% | 2026 |
| The Old Stables, 140, St Cross Road696 m away | 94 m² | 189 m² | +95 m² +101% | 2011 |
| St Erme, Sleepers Hill914 m away | 120 m² | 206 m² | +86 m² +72% | 2016 |
| 6, Whiteshute Lane424 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.
| 106 m² |
| 189 m² |
| +83 m² +78% |
| 2015 |
| Haverbrack, Airlie Lane542 m away | 292 m² | 372 m² | +80 m² +27% | 2025 |
|---|
| 14, Whiteshute Lane424 m away | 120 m² | 199 m² | +79 m² +66% | 2019 |
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| 22, St Mary Street634 m away | 67 m² | 145 m² | +78 m² +116% | 2019 |
|---|
| 17, Wren Close688 m away | 128 m² | 198 m² | +70 m² +55% | 2023 |
|---|
| Sleepersdelle Cottage, Sleepers Delle Gardens588 m away | 192 m² | 258 m² | +66 m² +34% | 2024 |
|---|
| Birchcroft, 12, Lansdowne Avenue36 m away | 293 m² | 357 m² | +64 m² +22% | 2017 |
|---|
| 7, Devenish House, 49, Southgate Street905 m away | 89 m² | 152 m² | +63 m² +71% | 2025 |
|---|
| 4, Kings Avenue342 m away | 43 m² | 105 m² | +62 m² +144% | 2009 |
|---|
| 128, Christchurch Road246 m away | 218 m² | 277 m² | +59 m² +27% | 2024 |
|---|
| 9, St James Villas739 m away | 94 m² | 151 m² | +57 m² +61% | 2018 |
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| 72, Stuart Crescent482 m away | 84 m² | 139 m² | +55 m² +65% | 2019 |
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| 102, Cromwell Road410 m away | 83 m² | 137 m² | +54 m² +65% | 2019 |
|---|
| 21, St Michaels Road648 m away | 158 m² | 211 m² | +53 m² +34% | 2022 |
|---|
| 16, Wren Close688 m away | 114 m² | 165 m² | +51 m² +45% | 2023 |
|---|
| Beechcroft, George Eyston Drive890 m away | 264 m² | 315 m² | +51 m² +19% | 2021 |
|---|
| 1, St Cross Court, Kingsgate Road205 m away | 94 m² | 142 m² | +48 m² +51% | 2023 |
|---|
| 62, St Cross Road80 m away | 171 m² | 219 m² | +48 m² +28% | 2019 |
|---|
| 13, Ivy Close530 m away | 58 m² | 105 m² | +47 m² +81% | 2022 |
|---|
| 1, Grange Close865 m away | 135 m² | 180 m² | +45 m² +33% | 2026 |
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| 27, Battery Hill973 m away | 73 m² | 117 m² | +44 m² +60% | 2024 |
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| 86, Cromwell Road532 m away | 100 m² | 144 m² | +44 m² +44% | 2021 |
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| 33, St Faiths Road281 m away | 95 m² | 138 m² | +43 m² +45% | 2021 |
|---|
| 17, St Faiths Road266 m away | 172 m² | 212 m² | +40 m² +23% | 2022 |
|---|
| 36, Grange Close865 m away | 94 m² | 134 m² | +40 m² +43% | 2009 |
|---|
| 1, Long Close331 m away | 232 m² | 271 m² | +39 m² +17% | 2020 |
|---|
| 10, Whiteshute Lane424 m away | 168 m² | 207 m² | +39 m² +23% | 2014 |
|---|
| 2, Wykeham Place921 m away | 90 m² | 128 m² | +38 m² +42% | 2025 |
|---|
| 6, Honeysuckle Close791 m away | 82 m² | 120 m² | +38 m² +46% | 2014 |
|---|
| 9, Juniper Close874 m away | 109 m² | 146 m² | +37 m² +34% | 2023 |
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| 24, St Swithun Street852 m away | 123 m² | 160 m² | +37 m² +30% | 2019 |
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| 44, Edgar Road130 m away | 163 m² | 199 m² | +36 m² +22% | 2023 |
|---|
| 14, Silverwood Close825 m away | 111 m² | 144 m² | +33 m² +30% | 2015 |
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| 28, Kings Avenue342 m away | 69 m² | 101 m² | +32 m² +46% | 2021 |
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| 46, Cromwell Road631 m away | 79 m² | 111 m² | +32 m² +41% | 2019 |
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| 24, Canon Street794 m away | 106 m² | 137 m² | +31 m² +29% | 2017 |
|---|
| 30, Wentworth Grange444 m away | 92 m² | 121 m² | +29 m² +32% | 2019 |
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| 33, Canon Street794 m away | 81 m² | 110 m² | +29 m² +36% | 2009 |
|---|
| 11, Peninsula Square954 m away | 90 m² | 118 m² | +28 m² +31% | 2025 |
|---|
| Vairao House, 3, Airlie Road482 m away | 154 m² | 182 m² | +28 m² +18% | 2013 |
|---|
| 10, Cromwell Road682 m away | 72 m² | 99 m² | +27 m² +38% | 2023 |
|---|
| 5, Edgar Villas577 m away | 149 m² | 175 m² | +26 m² +17% | 2013 |
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| 23 - 24, Back Street475 m away | 112 m² | 137 m² | +25 m² +22% | 2026 |
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| 4, Kingsgate Mews Kingsgate Road202 m away | 149 m² | 174 m² | +25 m² +17% | 2023 |
|---|
| 8, St Cross Mews, 2, Airlie Road482 m away | 134 m² | 159 m² | +25 m² +19% | 2022 |
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| 4, Whiteshute Lane424 m away | 143 m² | 168 m² | +25 m² +17% | 2014 |
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| 58, Honeysuckle Close791 m away | 71 m² | 95 m² | +24 m² +34% | 2025 |
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| 6, Alexandra Terrace777 m away | 88 m² | 112 m² | +24 m² +27% | 2018 |
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| Flat 6, Amhurst, 90, St Cross Road121 m away | 146 m² | 170 m² | +24 m² +16% | 2014 |
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| 26, Stanmore Lane528 m away | 100 m² | 123 m² | +23 m² +23% | 2026 |
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| 35a, Canon Street794 m away | 90 m² | 113 m² | +23 m² +26% | 2024 |
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| 16, Battery Hill973 m away | 88 m² | 111 m² | +23 m² +26% | 2021 |
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| 28, Lark Hill Rise986 m away | 115 m² | 137 m² | +22 m² +19% | 2023 |
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| 20, Clausentum Road306 m away | 86 m² | 108 m² | +22 m² +26% | 2022 |
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| 69, Stuart Crescent482 m away | 77 m² | 98 m² | +21 m² +27% | 2021 |
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| 36, St Faiths Road281 m away | 100 m² | 121 m² | +21 m² +21% | 2017 |
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| 31, St Faiths Road281 m away | 90 m² | 111 m² | +21 m² +23% | 2013 |
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| 35, Edgar Road130 m away | 107 m² | 127 m² | +20 m² +19% | 2026 |
|---|
| 18, Sparkford Close526 m away | 111 m² | 131 m² | +20 m² +18% | 2019 |
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| 54, Cromwell Road631 m away | 103 m² | 123 m² | +20 m² +19% | 2019 |
|---|
| 11, Cripstead Lane424 m away | 71 m² | 90 m² | +19 m² +27% | 2024 |
|---|
| 1, Talavera Road630 m away | 79 m² | 98 m² | +19 m² +24% | 2021 |
|---|
| 22, Wentworth Grange444 m away | 114 m² | 132 m² | +18 m² +16% | 2025 |
|---|
| 3, Villiers Court, St Thomas Street895 m away | 98 m² | 116 m² | +18 m² +18% | 2019 |
|---|
| 1, St Faiths Road266 m away | 97 m² | 114 m² | +17 m² +18% | 2024 |
|---|
| 22, Ivy Close530 m away | 64 m² | 81 m² | +17 m² +27% | 2016 |
|---|
| 4, Paulet Place446 m away | 69 m² | 85 m² | +16 m² +23% | 2025 |
|---|
| 25, Honeysuckle Close791 m away | 81 m² | 97 m² | +16 m² +20% | 2019 |
|---|
| 1, Kingsley Place221 m away | 76 m² | 92 m² | +16 m² +21% | 2015 |
|---|
| 49, Canon Street819 m away | 42 m² | 57 m² | +15 m² +36% | 2019 |
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