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 SO41 3PX
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 |
|---|---|---|---|---|
| Little Hayes, Grove Road568 m away | 286 m² | 471 m² | +185 m² +65% | 2013 |
| First Cottage, 7, Viney Road666 m away | 131 m² | 311 m² | +180 m² +137% | 2021 |
| 11, West Hayes583 m away | 152 m² | 331 m² | +179 m² +118% | 2017 |
| 37, Stanley Road235 m away | 159 m² | 319 m² | +160 m² +101% | 2026 |
| 48, Belmore Lane864 m away | 145 m² | 300 m² | +155 m² +107% | 2026 |
| 27, Belmore Lane977 m away | 166 m² | 315 m² | +149 m² +90% | 2023 |
| 6, Grove Pastures606 m away | 159 m² | 303 m² | +144 m² +91% | 2022 |
| 1, Lockerley Close759 m away | 144 m² | 281 m² | +137 m² +95% | 2026 |
| 63, Church Lane421 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.
| 163 m² |
| 296 m² |
| +133 m² +82% |
| 2015 |
| 15, Daniells Walk557 m away | 131 m² | 262 m² | +131 m² +100% | 2021 |
|---|
| 44, Broad Lane251 m away | 110 m² | 239 m² | +129 m² +117% | 2022 |
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| 5, Springfield Close249 m away | 96 m² | 224 m² | +128 m² +133% | 2025 |
|---|
| Devonville, All Saints Road155 m away | 101 m² | 222 m² | +121 m² +120% | 2025 |
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| Leighbourne, Woodside Avenue587 m away | 87 m² | 199 m² | +112 m² +129% | 2016 |
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| 22, Daniells Walk626 m away | 110 m² | 220 m² | +110 m² +100% | 2019 |
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| 8, Daniells Walk626 m away | 143 m² | 252 m² | +109 m² +76% | 2020 |
|---|
| White Gates, 9, Tranmere Close241 m away | 82 m² | 190 m² | +108 m² +132% | 2023 |
|---|
| 9, Bingham Drive424 m away | 108 m² | 216 m² | +108 m² +100% | 2022 |
|---|
| 7, Bingham Drive424 m away | 116 m² | 217 m² | +101 m² +87% | 2022 |
|---|
| 2, Daniells Close519 m away | 98 m² | 194 m² | +96 m² +98% | 2025 |
|---|
| 65, Belmore Lane690 m away | 81 m² | 171 m² | +90 m² +111% | 2014 |
|---|
| 42, Stanley Road214 m away | 112 m² | 201 m² | +89 m² +79% | 2014 |
|---|
| 54, Belmore Lane864 m away | 170 m² | 258 m² | +88 m² +52% | 2025 |
|---|
| 3, Springfield Close249 m away | 76 m² | 163 m² | +87 m² +114% | 2018 |
|---|
| 9, Bitterne Way928 m away | 88 m² | 174 m² | +86 m² +98% | 2022 |
|---|
| 17, Daniells Walk557 m away | 89 m² | 171 m² | +82 m² +92% | 2013 |
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| Somerset, 30, Stanley Road214 m away | 312 m² | 390 m² | +78 m² +25% | 2016 |
|---|
| Old Walls, Mill Lane813 m away | 64 m² | 141 m² | +77 m² +120% | 2021 |
|---|
| 31, Rookes Lane905 m away | 129 m² | 206 m² | +77 m² +60% | 2019 |
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| Edgerton House, 2, Grove Pastures606 m away | 240 m² | 317 m² | +77 m² +32% | 2014 |
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| 94, Queen Katherine Road321 m away | 65 m² | 139 m² | +74 m² +114% | 2022 |
|---|
| 2, Daniells Walk626 m away | 133 m² | 205 m² | +72 m² +54% | 2014 |
|---|
| Worsley, Woodside Lane672 m away | 90 m² | 161 m² | +71 m² +79% | 2023 |
|---|
| 85, Queen Katherine Road321 m away | 71 m² | 139 m² | +68 m² +96% | 2022 |
|---|
| 21, Rookes Lane905 m away | 151 m² | 216 m² | +65 m² +43% | 2017 |
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| 87, Queen Katherine Road321 m away | 69 m² | 133 m² | +64 m² +93% | 2020 |
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| St Alans, Spring Road193 m away | 87 m² | 151 m² | +64 m² +74% | 2014 |
|---|
| 7, Rookes Lane905 m away | 155 m² | 216 m² | +61 m² +39% | 2021 |
|---|
| 15, Bitterne Way928 m away | 95 m² | 156 m² | +61 m² +64% | 2019 |
|---|
| Sandpipers, Viney Road666 m away | 128 m² | 189 m² | +61 m² +48% | 2017 |
|---|
| 1, Old Farm Walk964 m away | 121 m² | 180 m² | +59 m² +49% | 2019 |
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| 4, Burrard Grove133 m away | 86 m² | 143 m² | +57 m² +66% | 2020 |
|---|
| 2, Old Farm Walk964 m away | 80 m² | 137 m² | +57 m² +71% | 2015 |
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| 9, Kings Saltern Road354 m away | 148 m² | 204 m² | +56 m² +38% | 2025 |
|---|
| 31, Daniells Walk557 m away | 127 m² | 183 m² | +56 m² +44% | 2017 |
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| 89, Queen Katherine Road321 m away | 71 m² | 126 m² | +55 m² +77% | 2020 |
|---|
| Flat 4, Admirals Court, Quay Road681 m away | 110 m² | 164 m² | +54 m² +49% | 2023 |
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| 47a, Belmore Lane690 m away | 37 m² | 91 m² | +54 m² +146% | 2018 |
|---|
| 47, Stanley Road235 m away | 98 m² | 148 m² | +50 m² +51% | 2021 |
|---|
| Queen'S View, Queen Katherine Road321 m away | 142 m² | 192 m² | +50 m² +35% | 2019 |
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| 20, Ambleside Road430 m away | 77 m² | 126 m² | +49 m² +64% | 2020 |
|---|
| 1, Church Mead569 m away | 152 m² | 200 m² | +48 m² +32% | 2025 |
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| 1, High Street725 m away | 68 m² | 116 m² | +48 m² +71% | 2025 |
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| 12, Stanley Road108 m away | 117 m² | 165 m² | +48 m² +41% | 2017 |
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| Maple House, Queen Katherine Road463 m away | 85 m² | 133 m² | +48 m² +56% | 2011 |
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| 91, Queen Katherine Road321 m away | 73 m² | 120 m² | +47 m² +64% | 2024 |
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| 23, Ambleside Road430 m away | 77 m² | 124 m² | +47 m² +61% | 2022 |
|---|
| 4, Springfield Close249 m away | 91 m² | 135 m² | +44 m² +48% | 2022 |
|---|
| 17, Westfield Road96 m away | 62 m² | 106 m² | +44 m² +71% | 2015 |
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| 74, Queen Katherine Road321 m away | 71 m² | 112 m² | +41 m² +58% | 2023 |
|---|
| 36, Stanley Road214 m away | 94 m² | 135 m² | +41 m² +44% | 2019 |
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| 5, Bitterne Way928 m away | 129 m² | 168 m² | +39 m² +30% | 2021 |
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| 6, Nelson Place566 m away | 94 m² | 132 m² | +38 m² +40% | 2024 |
|---|
| 35, Courtenay Place697 m away | 116 m² | 154 m² | +38 m² +33% | 2014 |
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| Halyards, Monument Lane878 m away | 185 m² | 222 m² | +37 m² +20% | 2017 |
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| Flat 18, River Court, Gosport Street936 m away | 72 m² | 109 m² | +37 m² +51% | 2009 |
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| 11, Newenham Road813 m away | 140 m² | 176 m² | +36 m² +26% | 2026 |
|---|
| 21, Broad Lane212 m away | 120 m² | 156 m² | +36 m² +30% | 2022 |
|---|
| 4, Winton Close257 m away | 139 m² | 175 m² | +36 m² +26% | 2017 |
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| 15, Conference Place443 m away | 187 m² | 223 m² | +36 m² +19% | 2015 |
|---|
| 3, Oakfield850 m away | 111 m² | 146 m² | +35 m² +32% | 2024 |
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| Riverside, Bath Road381 m away | 133 m² | 167 m² | +34 m² +26% | 2026 |
|---|
| 6, Burrard Grove133 m away | 149 m² | 182 m² | +33 m² +22% | 2026 |
|---|
| Mead House, Farnleys Mead874 m away | 133 m² | 165 m² | +32 m² +24% | 2023 |
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| 8, Brunswick Place1000 m away | 89 m² | 120 m² | +31 m² +35% | 2020 |
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| 91 - 92, High Street811 m away | 56 m² | 87 m² | +31 m² +55% | 2016 |
|---|
| 2, Anchor Mews869 m away | 92 m² | 123 m² | +31 m² +34% | 2014 |
|---|
| 3, West Hayes583 m away | 149 m² | 179 m² | +30 m² +20% | 2019 |
|---|
| Pines, Kings Saltern Road286 m away | 176 m² | 206 m² | +30 m² +17% | 2016 |
|---|
| 28a, Westfield Road72 m away | 130 m² | 158 m² | +28 m² +22% | 2026 |
|---|
| 19, Rookes Lane905 m away | 178 m² | 206 m² | +28 m² +16% | 2025 |
|---|
| 25, Brook Road0 m away | 81 m² | 109 m² | +28 m² +35% | 2015 |
|---|
| 2, Nelson Place566 m away | 89 m² | 116 m² | +27 m² +30% | 2012 |
|---|
| 3, Farnleys Mead874 m away | 156 m² | 182 m² | +26 m² +17% | 2026 |
|---|
| 26, Stanley Road214 m away | 107 m² | 131 m² | +24 m² +22% | 2023 |
|---|
| 1, Ferry Point790 m away | 127 m² | 151 m² | +24 m² +19% | 2023 |
|---|
| 7, Farnleys Mead874 m away | 111 m² | 134 m² | +23 m² +21% | 2014 |
|---|
| 10, Station Street913 m away | 118 m² | 140 m² | +22 m² +19% | 2024 |
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| Kings Lea, Kings Saltern Road354 m away | 124 m² | 144 m² | +20 m² +16% | 2026 |
|---|
| 12, Quay Hill738 m away | 112 m² | 132 m² | +20 m² +18% | 2022 |
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| Brentor, Spring Road158 m away | 69 m² | 89 m² | +20 m² +29% | 2017 |
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| Flat 9, Island Point, Undershore Road840 m away | 55 m² | 74 m² | +19 m² +35% | 2022 |
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| Flat 10, Island Point, Undershore Road840 m away | 55 m² | 74 m² | +19 m² +35% | 2022 |
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| Clock Cottage, Viney Road666 m away | 116 m² | 134 m² | +18 m² +16% | 2023 |
|---|
| Mary Rose, Grove Road568 m away | 93 m² | 111 m² | +18 m² +19% | 2021 |
|---|
| 45, Courtenay Place697 m away | 86 m² | 104 m² | +18 m² +21% | 2011 |
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| Marina Villa, Spring Road158 m away | 85 m² | 102 m² | +17 m² +20% | 2025 |
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| 15, Springfield Close249 m away | 99 m² | 116 m² | +17 m² +17% | 2025 |
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| 6, Oakfield850 m away | 111 m² | 128 m² | +17 m² +15% | 2025 |
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| 16, Monmouth Court, Church Lane803 m away | 102 m² | 119 m² | +17 m² +17% | 2020 |
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| 21, Station Street913 m away | 81 m² | 98 m² | +17 m² +21% | 2020 |
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| 31, New Street991 m away | 83 m² | 100 m² | +17 m² +20% | 2017 |
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| 44, Courtenay Place697 m away | 90 m² | 107 m² | +17 m² +19% | 2016 |
|---|
| 15, Grove Place552 m away | 94 m² | 111 m² | +17 m² +18% | 2013 |
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| 115a, High Street761 m away | 48 m² | 63 m² | +15 m² +31% | 2026 |
|---|
| 19, Westfield Road96 m away | 79 m² | 94 m² | +15 m² +19% | 2025 |
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| Flat 6, Pyrford Gardens, Belmore Lane690 m away | 51 m² | 66 m² | +15 m² +29% | 2017 |
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