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 TW7 5EL
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 |
|---|---|---|---|---|
| 34, Osterley Avenue915 m away | 144 m² | 306 m² | +162 m² +113% | 2025 |
| 48, Albury Avenue375 m away | 92 m² | 212 m² | +120 m² +130% | 2025 |
| 26, Harewood Road577 m away | 95 m² | 209 m² | +114 m² +120% | 2022 |
| 409, London Road938 m away | 93 m² | 196 m² | +103 m² +111% | 2026 |
| 25, Harewood Road577 m away | 91 m² | 189 m² | +98 m² +108% | 2020 |
| 849, Great West Road385 m away | 120 m² | 214 m² | +94 m² +78% | 2022 |
| 16, Sloane Court, 28, The Grove788 m away | 124 m² | 218 m² | +94 m² +76% | 2020 |
| 12, Harewood Road577 m away | 101 m² | 192 m² | +91 m² +90% | 2018 |
| 802, Great West Road221 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.
| 97 m² |
| 186 m² |
| +89 m² +92% |
| 2018 |
| 45, Wood Lane608 m away | 112 m² | 200 m² | +88 m² +79% | 2013 |
|---|
| 16, St Marys Crescent567 m away | 269 m² | 354 m² | +85 m² +32% | 2026 |
|---|
| 12, Parkwood Road672 m away | 92 m² | 176 m² | +84 m² +91% | 2024 |
|---|
| 51, Wood Lane346 m away | 119 m² | 202 m² | +83 m² +70% | 2017 |
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| 108, Ridgeway Road396 m away | 124 m² | 205 m² | +81 m² +65% | 2021 |
|---|
| 57, Harewood Road350 m away | 111 m² | 188 m² | +77 m² +69% | 2026 |
|---|
| 6, St Marys Crescent567 m away | 140 m² | 216 m² | +76 m² +54% | 2020 |
|---|
| 808, Great West Road221 m away | 100 m² | 172 m² | +72 m² +72% | 2022 |
|---|
| 89, College Road478 m away | 94 m² | 166 m² | +72 m² +77% | 2022 |
|---|
| 295, Jersey Road446 m away | 131 m² | 202 m² | +71 m² +54% | 2024 |
|---|
| 101, College Road478 m away | 64 m² | 134 m² | +70 m² +109% | 2022 |
|---|
| 327, Jersey Road502 m away | 128 m² | 197 m² | +69 m² +54% | 2025 |
|---|
| 16, Campion Road565 m away | 121 m² | 187 m² | +66 m² +55% | 2026 |
|---|
| 20, Roxborough Avenue594 m away | 140 m² | 204 m² | +64 m² +46% | 2015 |
|---|
| 76, Wood Lane460 m away | 92 m² | 154 m² | +62 m² +67% | 2016 |
|---|
| 8, Stags Way180 m away | 44 m² | 106 m² | +62 m² +141% | 2011 |
|---|
| 9, Parkwood Road624 m away | 98 m² | 159 m² | +61 m² +62% | 2026 |
|---|
| 104, Syon Lane285 m away | 48 m² | 109 m² | +61 m² +127% | 2019 |
|---|
| 33, Syon Park Gardens295 m away | 88 m² | 146 m² | +58 m² +66% | 2020 |
|---|
| 50, The Grove881 m away | 92 m² | 149 m² | +57 m² +62% | 2020 |
|---|
| 14, Wood Lane654 m away | 90 m² | 145 m² | +55 m² +61% | 2026 |
|---|
| 29, Harewood Road577 m away | 113 m² | 165 m² | +52 m² +46% | 2024 |
|---|
| 20, Oakley Close953 m away | 76 m² | 128 m² | +52 m² +68% | 2024 |
|---|
| 7, Borough Road359 m away | 130 m² | 181 m² | +51 m² +39% | 2016 |
|---|
| 41, Wood Lane608 m away | 112 m² | 162 m² | +50 m² +45% | 2026 |
|---|
| 421, London Road938 m away | 78 m² | 127 m² | +49 m² +63% | 2024 |
|---|
| 79, Harewood Road350 m away | 121 m² | 169 m² | +48 m² +40% | 2024 |
|---|
| 23, College Road752 m away | 149 m² | 197 m² | +48 m² +32% | 2019 |
|---|
| 19, Albury Avenue406 m away | 112 m² | 160 m² | +48 m² +43% | 2014 |
|---|
| 54, Syon Lane471 m away | 115 m² | 162 m² | +47 m² +41% | 2025 |
|---|
| 66, Hartham Road799 m away | 83 m² | 130 m² | +47 m² +57% | 2020 |
|---|
| 33, Borough Road448 m away | 96 m² | 142 m² | +46 m² +48% | 2023 |
|---|
| 28, Lingwood Gardens358 m away | 131 m² | 177 m² | +46 m² +35% | 2017 |
|---|
| 18, Campion Road565 m away | 93 m² | 139 m² | +46 m² +49% | 2012 |
|---|
| 40a, Syon Lane471 m away | 66 m² | 111 m² | +45 m² +68% | 2021 |
|---|
| 70, Syon Park Gardens107 m away | 101 m² | 146 m² | +45 m² +45% | 2012 |
|---|
| 42, Albury Avenue375 m away | 131 m² | 175 m² | +44 m² +34% | 2024 |
|---|
| 7, Parkwood Road624 m away | 130 m² | 174 m² | +44 m² +34% | 2022 |
|---|
| 1, Fairacre745 m away | 81 m² | 125 m² | +44 m² +54% | 2014 |
|---|
| 369, London Road916 m away | 87 m² | 128 m² | +41 m² +47% | 2022 |
|---|
| 143, Thornbury Road751 m away | 111 m² | 152 m² | +41 m² +37% | 2021 |
|---|
| 47, Syon Park Gardens295 m away | 111 m² | 151 m² | +40 m² +36% | 2026 |
|---|
| 57, Oaklands Avenue383 m away | 103 m² | 143 m² | +40 m² +39% | 2020 |
|---|
| 5, Borough Road359 m away | 114 m² | 154 m² | +40 m² +35% | 2019 |
|---|
| 22, Aplin Way698 m away | 47 m² | 86 m² | +39 m² +83% | 2018 |
|---|
| 23, Langtry Court, Lanadron Close989 m away | 43 m² | 81 m² | +38 m² +88% | 2021 |
|---|
| 3, Kilberry Close897 m away | 60 m² | 98 m² | +38 m² +63% | 2016 |
|---|
| 65, Aplin Way698 m away | 72 m² | 110 m² | +38 m² +53% | 2011 |
|---|
| 868, Great West Road471 m away | 106 m² | 143 m² | +37 m² +35% | 2022 |
|---|
| 645, Great West Road984 m away | 123 m² | 158 m² | +35 m² +28% | 2020 |
|---|
| 269, Jersey Road533 m away | 94 m² | 128 m² | +34 m² +36% | 2023 |
|---|
| 489b, London Road958 m away | 42 m² | 76 m² | +34 m² +81% | 2021 |
|---|
| Vine Lodge, Church Road698 m away | 130 m² | 163 m² | +33 m² +25% | 2022 |
|---|
| 16, Hexham Gardens707 m away | 51 m² | 84 m² | +33 m² +65% | 2022 |
|---|
| 147, Hartham Road776 m away | 76 m² | 109 m² | +33 m² +43% | 2021 |
|---|
| 21, Parkwood Road624 m away | 113 m² | 145 m² | +32 m² +28% | 2024 |
|---|
| 29, Rothbury Gardens734 m away | 62 m² | 94 m² | +32 m² +52% | 2024 |
|---|
| 40, Syon Park Gardens245 m away | 96 m² | 128 m² | +32 m² +33% | 2022 |
|---|
| 99, Hartham Road740 m away | 80 m² | 112 m² | +32 m² +40% | 2019 |
|---|
| 134, Hartham Road799 m away | 88 m² | 120 m² | +32 m² +36% | 2017 |
|---|
| 24, Oaklands Avenue428 m away | 109 m² | 140 m² | +31 m² +28% | 2015 |
|---|
| 343, Jersey Road502 m away | 115 m² | 145 m² | +30 m² +26% | 2020 |
|---|
| 79, The Grove743 m away | 116 m² | 145 m² | +29 m² +25% | 2026 |
|---|
| 149, Hartham Road776 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 271, Jersey Road533 m away | 103 m² | 132 m² | +29 m² +28% | 2018 |
|---|
| 173a, Thornbury Road768 m away | 61 m² | 89 m² | +28 m² +46% | 2025 |
|---|
| 72, Syon Lane471 m away | 94 m² | 122 m² | +28 m² +30% | 2023 |
|---|
| 124, Wood Lane82 m away | 109 m² | 137 m² | +28 m² +26% | 2022 |
|---|
| 24, Deepwell Close827 m away | 78 m² | 106 m² | +28 m² +36% | 2021 |
|---|
| 93, Hartham Road740 m away | 85 m² | 112 m² | +27 m² +32% | 2026 |
|---|
| 8, Orchard Court, Thornbury Avenue986 m away | 71 m² | 98 m² | +27 m² +38% | 2026 |
|---|
| 9, Oaklands Avenue428 m away | 102 m² | 129 m² | +27 m² +26% | 2025 |
|---|
| 4, Aplin Way698 m away | 122 m² | 149 m² | +27 m² +22% | 2022 |
|---|
| 1, Braybourne Drive0 m away | 99 m² | 125 m² | +26 m² +26% | 2018 |
|---|
| 45, Syon Park Gardens295 m away | 113 m² | 139 m² | +26 m² +23% | 2016 |
|---|
| 70, Hartham Road799 m away | 85 m² | 110 m² | +25 m² +29% | 2024 |
|---|
| 815, Great West Road171 m away | 124 m² | 148 m² | +24 m² +19% | 2026 |
|---|
| 35, Borough Road448 m away | 120 m² | 143 m² | +23 m² +19% | 2026 |
|---|
| 100, Syon Lane471 m away | 135 m² | 158 m² | +23 m² +17% | 2026 |
|---|
| 6, Thornbury Avenue886 m away | 128 m² | 151 m² | +23 m² +18% | 2014 |
|---|
| 83, College Road478 m away | 142 m² | 164 m² | +22 m² +15% | 2026 |
|---|
| 8, Warkworth Gardens576 m away | 42 m² | 64 m² | +22 m² +52% | 2026 |
|---|
| 24, Hartham Road797 m away | 58 m² | 80 m² | +22 m² +38% | 2022 |
|---|
| 13, Hartham Road815 m away | 96 m² | 118 m² | +22 m² +23% | 2022 |
|---|
| 12, Oakley Close953 m away | 107 m² | 129 m² | +22 m² +21% | 2011 |
|---|
| 657, Great West Road654 m away | 114 m² | 135 m² | +21 m² +18% | 2026 |
|---|
| 77, Otterburn Gardens644 m away | 62 m² | 83 m² | +21 m² +34% | 2025 |
|---|
| 71, Otterburn Gardens644 m away | 62 m² | 83 m² | +21 m² +34% | 2025 |
|---|
| 40, College Road567 m away | 87 m² | 108 m² | +21 m² +24% | 2021 |
|---|
| 352, London Road864 m away | 43 m² | 64 m² | +21 m² +49% | 2020 |
|---|
| 1, Thistleworth Close888 m away | 72 m² | 93 m² | +21 m² +29% | 2014 |
|---|
| 139, Hartham Road776 m away | 91 m² | 111 m² | +20 m² +22% | 2025 |
|---|
| 145a, Thornbury Road751 m away | 59 m² | 79 m² | +20 m² +34% | 2024 |
|---|
| 2a, Avenue Road848 m away | 119 m² | 139 m² | +20 m² +17% | 2024 |
|---|
| 341, Jersey Road502 m away | 122 m² | 142 m² | +20 m² +16% | 2022 |
|---|
| 39, Warkworth Gardens675 m away | 39 m² | 59 m² | +20 m² +51% | 2022 |
|---|
| 43, Borough Road448 m away | 103 m² | 122 m² | +19 m² +18% | 2026 |
|---|
| Flat 7, 54, The Grove881 m away | 40 m² | 59 m² | +19 m² +48% | 2025 |
|---|
| 13, Marlborough Road994 m away | 57 m² | 76 m² | +19 m² +33% | 2024 |
|---|
| 3, Warkworth Gardens576 m away | 62 m² | 81 m² | +19 m² +31% | 2023 |
|---|
| 14a, Avenue Road848 m away | 43 m² | 62 m² | +19 m² +44% | 2023 |
|---|
| 31, Stags Way180 m away | 47 m² | 66 m² | +19 m² +40% | 2022 |
|---|
| Sebring House, Frazer Nash Close837 m away | 73 m² | 92 m² | +19 m² +26% | 2017 |
|---|
| 11, Thistleworth Close888 m away | 76 m² | 94 m² | +18 m² +24% | 2026 |
|---|
| Flat 6, Wyndham Lodge, 24, The Grove832 m away | 35 m² | 53 m² | +18 m² +51% | 2016 |
|---|
| 16, Fairways, Thornbury Road886 m away | 63 m² | 80 m² | +17 m² +27% | 2024 |
|---|
| Flat 62, Lancaster House, Borough Road326 m away | 49 m² | 65 m² | +16 m² +33% | 2021 |
|---|
| 92, Wood Lane460 m away | 105 m² | 121 m² | +16 m² +15% | 2017 |
|---|
| 14, Warkworth Gardens576 m away | 59 m² | 74 m² | +15 m² +25% | 2023 |
|---|
| Dudley House, The Grove714 m away | 67 m² | 82 m² | +15 m² +22% | 2019 |
|---|
| Flat 9, Wyndham Lodge, 24, The Grove832 m away | 45 m² | 60 m² | +15 m² +33% | 2016 |
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| 76, Roxborough Avenue347 m away | 99 m² | 114 m² | +15 m² +15% | 2013 |
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| 29, Otterburn Gardens523 m away | 45 m² | 60 m² | +15 m² +33% | 2013 |
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