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 GU15 2EJ
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 |
|---|---|---|---|---|
| Alderay, Portesbery Road679 m away | 167 m² | 384 m² | +217 m² +130% | 2013 |
| Brook Green, Waverley Close993 m away | 174 m² | 350 m² | +176 m² +101% | 2019 |
| 31, Tekels Avenue313 m away | 185 m² | 354 m² | +169 m² +91% | 2025 |
| 12, Walkers Ridge460 m away | 185 m² | 332 m² | +147 m² +79% | 2011 |
| 7, Walkers Ridge460 m away | 270 m² | 411 m² | +141 m² +52% | 2013 |
| 35, Tekels Avenue313 m away | 166 m² | 299 m² | +133 m² +80% | 2013 |
| Orchard End, Knightsbridge Road893 m away | 152 m² | 282 m² | +130 m² +86% | 2024 |
| 16, Belton Road289 m away | 83 m² | 204 m² | +121 m² +146% | 2024 |
| 28, Tekels Avenue313 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.
| 307 m² |
| 426 m² |
| +119 m² +39% |
| 2026 |
| Lynwood, Heath Rise274 m away | 314 m² | 433 m² | +119 m² +38% | 2025 |
|---|
| Pinehurst, Branksome Park Road389 m away | 161 m² | 270 m² | +109 m² +68% | 2021 |
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| 5, Claremont Avenue898 m away | 114 m² | 221 m² | +107 m² +94% | 2014 |
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| 41, York Road804 m away | 82 m² | 188 m² | +106 m² +129% | 2017 |
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| 26, Upper Gordon Road250 m away | 107 m² | 212 m² | +105 m² +98% | 2017 |
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| 2, Macnaghten Woods587 m away | 116 m² | 219 m² | +103 m² +89% | 2019 |
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| Deramore Cottage, Pinemount Road508 m away | 197 m² | 289 m² | +92 m² +47% | 2014 |
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| 7, Crawley Hill733 m away | 181 m² | 272 m² | +91 m² +50% | 2014 |
|---|
| High Standing, Branksome Park Road560 m away | 141 m² | 230 m² | +89 m² +63% | 2017 |
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| Stonewold, Woodbridge Drive829 m away | 131 m² | 217 m² | +86 m² +66% | 2022 |
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| 8, Diamond Hill859 m away | 174 m² | 260 m² | +86 m² +49% | 2014 |
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| 1, Kingsley Avenue989 m away | 194 m² | 279 m² | +85 m² +44% | 2019 |
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| Upton House, Branksome Park Road389 m away | 137 m² | 221 m² | +84 m² +61% | 2022 |
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| 10, Church Hill155 m away | 118 m² | 201 m² | +83 m² +70% | 2025 |
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| Camperdown, Middleton Road867 m away | 153 m² | 234 m² | +81 m² +53% | 2013 |
|---|
| North End, Portesbery Road679 m away | 154 m² | 235 m² | +81 m² +53% | 2010 |
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| 10, Firwood Drive811 m away | 154 m² | 233 m² | +79 m² +51% | 2019 |
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| 24, Tekels Avenue313 m away | 289 m² | 364 m² | +75 m² +26% | 2021 |
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| Heatherglade House, Crawley Drive853 m away | 291 m² | 364 m² | +73 m² +25% | 2015 |
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| 9, Hall Close603 m away | 92 m² | 164 m² | +72 m² +78% | 2020 |
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| 28, Claremont Avenue898 m away | 177 m² | 249 m² | +72 m² +41% | 2017 |
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| 2, Yeomans Way230 m away | 216 m² | 287 m² | +71 m² +33% | 2026 |
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| 3a, Walkers Ridge460 m away | 210 m² | 280 m² | +70 m² +33% | 2026 |
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| 47, Brackendale Road747 m away | 160 m² | 230 m² | +70 m² +44% | 2022 |
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| Netherwood, Middleton Road867 m away | 180 m² | 249 m² | +69 m² +38% | 2020 |
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| 5, Castle Close697 m away | 126 m² | 193 m² | +67 m² +53% | 2024 |
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| 21, Clarewood Drive667 m away | 151 m² | 216 m² | +65 m² +43% | 2022 |
|---|
| 44, Portesbery Road348 m away | 90 m² | 155 m² | +65 m² +72% | 2016 |
|---|
| 22, Park Avenue832 m away | 188 m² | 251 m² | +63 m² +34% | 2010 |
|---|
| 8, Kingsclear Park623 m away | 95 m² | 156 m² | +61 m² +64% | 2017 |
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| 14, Pans Gardens898 m away | 153 m² | 211 m² | +58 m² +38% | 2022 |
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| 29, Portesbery Road348 m away | 88 m² | 146 m² | +58 m² +66% | 2021 |
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| 14, Kings Ride913 m away | 156 m² | 213 m² | +57 m² +37% | 2021 |
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| 34, Waverley Drive802 m away | 243 m² | 300 m² | +57 m² +23% | 2016 |
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| 27, Grand Avenue913 m away | 144 m² | 201 m² | +57 m² +40% | 2012 |
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| 6, Heatherdale Road787 m away | 113 m² | 168 m² | +55 m² +49% | 2026 |
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| 72, Middle Gordon Road520 m away | 93 m² | 148 m² | +55 m² +59% | 2024 |
|---|
| 8, Crawley Hill572 m away | 176 m² | 231 m² | +55 m² +31% | 2016 |
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| Greenmantle, Knightsbridge Road893 m away | 87 m² | 142 m² | +55 m² +63% | 2011 |
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| 36, Clarewood Drive667 m away | 216 m² | 270 m² | +54 m² +25% | 2020 |
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| 14, Clarewood Drive667 m away | 137 m² | 190 m² | +53 m² +39% | 2025 |
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| 25, Upper Gordon Road206 m away | 272 m² | 325 m² | +53 m² +19% | 2009 |
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| 20, Kingsclear Park623 m away | 94 m² | 146 m² | +52 m² +55% | 2019 |
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| 63, Brackendale Road747 m away | 178 m² | 229 m² | +51 m² +29% | 2013 |
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| An Riocht, Pine Avenue942 m away | 169 m² | 218 m² | +49 m² +29% | 2015 |
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| 41, Brackendale Road529 m away | 251 m² | 299 m² | +48 m² +19% | 2016 |
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| 43, Upper Park Road158 m away | 63 m² | 111 m² | +48 m² +76% | 2013 |
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| 13, Grange Road394 m away | 135 m² | 182 m² | +47 m² +35% | 2014 |
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| 47, Grand Avenue913 m away | 140 m² | 186 m² | +46 m² +33% | 2015 |
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| 8, Park Avenue832 m away | 244 m² | 290 m² | +46 m² +19% | 2013 |
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| 8, Upper Park Road233 m away | 104 m² | 149 m² | +45 m² +43% | 2025 |
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| 44, Upper Park Road297 m away | 111 m² | 154 m² | +43 m² +39% | 2015 |
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| 12, Belton Road289 m away | 224 m² | 265 m² | +41 m² +18% | 2023 |
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| 22, Belton Road289 m away | 92 m² | 133 m² | +41 m² +45% | 2021 |
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| 19, Kings Ride972 m away | 167 m² | 208 m² | +41 m² +25% | 2019 |
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| 35, Grand Avenue913 m away | 148 m² | 188 m² | +40 m² +27% | 2023 |
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| 7, Heatherdale Road787 m away | 161 m² | 201 m² | +40 m² +25% | 2022 |
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| 36, Kings Ride913 m away | 82 m² | 122 m² | +40 m² +49% | 2021 |
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| 11, Gainsborough Close883 m away | 152 m² | 192 m² | +40 m² +26% | 2016 |
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| 17a, High Street568 m away | 77 m² | 116 m² | +39 m² +51% | 2025 |
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| 76, Middle Gordon Road520 m away | 89 m² | 126 m² | +37 m² +42% | 2012 |
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| Howards, Portesbery Road456 m away | 142 m² | 178 m² | +36 m² +25% | 2024 |
|---|
| 3, Bellever Hill165 m away | 134 m² | 170 m² | +36 m² +27% | 2023 |
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| 21, Park Avenue832 m away | 141 m² | 177 m² | +36 m² +26% | 2019 |
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| 1, Heatherdale Road787 m away | 209 m² | 245 m² | +36 m² +17% | 2015 |
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| 96, London Road740 m away | 151 m² | 187 m² | +36 m² +24% | 2013 |
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| Flat 4, Wayewood Lodge, Branksome Park Road560 m away | 81 m² | 116 m² | +35 m² +43% | 2025 |
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| 2, Walkers Ridge460 m away | 178 m² | 213 m² | +35 m² +20% | 2023 |
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| 22, Brackendale Road529 m away | 145 m² | 178 m² | +33 m² +23% | 2023 |
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| 139, Park Road620 m away | 99 m² | 131 m² | +32 m² +32% | 2022 |
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| 2, Bath Road834 m away | 184 m² | 216 m² | +32 m² +17% | 2022 |
|---|
| 32, Lancaster Drive583 m away | 71 m² | 102 m² | +31 m² +44% | 2016 |
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| 8, Barossa Road958 m away | 67 m² | 96 m² | +29 m² +43% | 2024 |
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| 12, Langley Drive513 m away | 114 m² | 143 m² | +29 m² +25% | 2022 |
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| Apartment 27, Centro, Southern Road838 m away | 65 m² | 94 m² | +29 m² +45% | 2019 |
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| Flat 10, 108, Gordon Road727 m away | 67 m² | 94 m² | +27 m² +40% | 2025 |
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| 82, Middle Gordon Road520 m away | 136 m² | 163 m² | +27 m² +20% | 2021 |
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| 25, Hartford Rise730 m away | 75 m² | 102 m² | +27 m² +36% | 2021 |
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| 20, Lancaster Drive583 m away | 102 m² | 129 m² | +27 m² +26% | 2017 |
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| Flat 10, Bradley Court, 3, Knoll Road502 m away | 39 m² | 65 m² | +26 m² +67% | 2026 |
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| Flat 18, Bradley Court, 3, Knoll Road502 m away | 39 m² | 65 m² | +26 m² +67% | 2026 |
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| Flat 26, Bradley Court, 3, Knoll Road502 m away | 39 m² | 65 m² | +26 m² +67% | 2026 |
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| 40, Southern Road864 m away | 89 m² | 115 m² | +26 m² +29% | 2014 |
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| 16, Centro, Southern Road838 m away | 50 m² | 75 m² | +25 m² +50% | 2025 |
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| 49, Grand Avenue913 m away | 164 m² | 189 m² | +25 m² +15% | 2020 |
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| Flat 25, Bradley Court, 3, Knoll Road502 m away | 41 m² | 65 m² | +24 m² +59% | 2026 |
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| Flat 1, Petworth Court, 62 - 64, Portsmouth Road950 m away | 68 m² | 91 m² | +23 m² +34% | 2024 |
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| 158, Gordon Road863 m away | 50 m² | 72 m² | +22 m² +44% | 2026 |
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| Flat 4, 1, Upper Park Road220 m away | 61 m² | 83 m² | +22 m² +36% | 2019 |
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| 2, Firwood Drive811 m away | 45 m² | 67 m² | +22 m² +49% | 2016 |
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| 37, Portesbery Road348 m away | 58 m² | 79 m² | +21 m² +36% | 2026 |
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| 13, Markham Court677 m away | 39 m² | 60 m² | +21 m² +54% | 2021 |
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| 47, Portesbery Road348 m away | 124 m² | 145 m² | +21 m² +17% | 2020 |
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| 9, Portesbery Road348 m away | 96 m² | 117 m² | +21 m² +22% | 2020 |
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| 3, High Street705 m away | 55 m² | 76 m² | +21 m² +38% | 2016 |
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| Flat 3, Crosswood, 12, Castle Road661 m away | 59 m² | 79 m² | +20 m² +34% | 2025 |
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| 16, Lancaster Drive583 m away | 111 m² | 130 m² | +19 m² +17% | 2025 |
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| 207 - 215, London Road919 m away | 58 m² | 77 m² | +19 m² +33% | 2022 |
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| 2, Cromwell Road905 m away | 41 m² | 60 m² | +19 m² +46% | 2015 |
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| 10, Tekels Way972 m away | 121 m² | 140 m² | +19 m² +16% | 2015 |
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| 33, Upper Park Road158 m away | 54 m² | 72 m² | +18 m² +33% | 2019 |
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| 22, Portesbery Road348 m away | 92 m² | 110 m² | +18 m² +20% | 2017 |
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| 12, Portesbery Road348 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
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| Flat 45, Compass House, 207 - 215, London Road919 m away | 57 m² | 73 m² | +16 m² +28% | 2024 |
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| Flat 4, Lansdowne Court, 3, Upper Park Road220 m away | 67 m² | 83 m² | +16 m² +24% | 2019 |
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| Flat 2, Bradley Court, 3, Knoll Road502 m away | 50 m² | 65 m² | +15 m² +30% | 2026 |
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| 2a, Cromwell Road905 m away | 45 m² | 60 m² | +15 m² +33% | 2015 |
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| 55 - 57, High Street568 m away | 51 m² | 66 m² | +15 m² +29% | 2014 |
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