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 5PX
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 |
|---|---|---|---|---|
| 48, Albury Avenue669 m away | 92 m² | 212 m² | +120 m² +130% | 2025 |
| 26, Harewood Road923 m away | 95 m² | 209 m² | +114 m² +120% | 2022 |
| 25, Harewood Road923 m away | 91 m² | 189 m² | +98 m² +108% | 2020 |
| 849, Great West Road545 m away | 120 m² | 214 m² | +94 m² +78% | 2022 |
| 12, Harewood Road923 m away | 101 m² | 192 m² | +91 m² +90% | 2018 |
| 802, Great West Road457 m away | 97 m² | 186 m² | +89 m² +92% | 2018 |
| 45, Wood Lane979 m away | 112 m² | 200 m² | +88 m² +79% | 2013 |
| 16, St Marys Crescent853 m away | 269 m² | 354 m² | +85 m² +32% | 2026 |
| 12, Parkwood Road992 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.
| 92 m² |
| 176 m² |
| +84 m² +91% |
| 2024 |
| 51, Wood Lane742 m away | 119 m² | 202 m² | +83 m² +70% | 2017 |
|---|
| 108, Ridgeway Road773 m away | 124 m² | 205 m² | +81 m² +65% | 2021 |
|---|
| 57, Harewood Road721 m away | 111 m² | 188 m² | +77 m² +69% | 2026 |
|---|
| 6, St Marys Crescent853 m away | 140 m² | 216 m² | +76 m² +54% | 2020 |
|---|
| 808, Great West Road457 m away | 100 m² | 172 m² | +72 m² +72% | 2022 |
|---|
| 89, College Road886 m away | 94 m² | 166 m² | +72 m² +77% | 2022 |
|---|
| 295, Jersey Road569 m away | 131 m² | 202 m² | +71 m² +54% | 2024 |
|---|
| 101, College Road886 m away | 64 m² | 134 m² | +70 m² +109% | 2022 |
|---|
| 327, Jersey Road465 m away | 128 m² | 197 m² | +69 m² +54% | 2025 |
|---|
| 16, Campion Road892 m away | 121 m² | 187 m² | +66 m² +55% | 2026 |
|---|
| 20, Roxborough Avenue794 m away | 140 m² | 204 m² | +64 m² +46% | 2015 |
|---|
| 76, Wood Lane854 m away | 92 m² | 154 m² | +62 m² +67% | 2016 |
|---|
| 8, Stags Way267 m away | 44 m² | 106 m² | +62 m² +141% | 2011 |
|---|
| 9, Parkwood Road898 m away | 98 m² | 159 m² | +61 m² +62% | 2026 |
|---|
| 104, Syon Lane301 m away | 48 m² | 109 m² | +61 m² +127% | 2019 |
|---|
| 33, Syon Park Gardens379 m away | 88 m² | 146 m² | +58 m² +66% | 2020 |
|---|
| 29, Harewood Road923 m away | 113 m² | 165 m² | +52 m² +46% | 2024 |
|---|
| 7, Borough Road769 m away | 130 m² | 181 m² | +51 m² +39% | 2016 |
|---|
| 41, Wood Lane979 m away | 112 m² | 162 m² | +50 m² +45% | 2026 |
|---|
| 79, Harewood Road721 m away | 121 m² | 169 m² | +48 m² +40% | 2024 |
|---|
| 19, Albury Avenue700 m away | 112 m² | 160 m² | +48 m² +43% | 2014 |
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| 54, Syon Lane480 m away | 115 m² | 162 m² | +47 m² +41% | 2025 |
|---|
| 33, Borough Road875 m away | 96 m² | 142 m² | +46 m² +48% | 2023 |
|---|
| 28, Lingwood Gardens553 m away | 131 m² | 177 m² | +46 m² +35% | 2017 |
|---|
| 18, Campion Road892 m away | 93 m² | 139 m² | +46 m² +49% | 2012 |
|---|
| 40a, Syon Lane480 m away | 66 m² | 111 m² | +45 m² +68% | 2021 |
|---|
| 70, Syon Park Gardens407 m away | 101 m² | 146 m² | +45 m² +45% | 2012 |
|---|
| 42, Albury Avenue669 m away | 131 m² | 175 m² | +44 m² +34% | 2024 |
|---|
| 7, Parkwood Road898 m away | 130 m² | 174 m² | +44 m² +34% | 2022 |
|---|
| 47, Syon Park Gardens379 m away | 111 m² | 151 m² | +40 m² +36% | 2026 |
|---|
| 57, Oaklands Avenue130 m away | 103 m² | 143 m² | +40 m² +39% | 2020 |
|---|
| 5, Borough Road769 m away | 114 m² | 154 m² | +40 m² +35% | 2019 |
|---|
| 868, Great West Road534 m away | 106 m² | 143 m² | +37 m² +35% | 2022 |
|---|
| 269, Jersey Road745 m away | 94 m² | 128 m² | +34 m² +36% | 2023 |
|---|
| 16, Hexham Gardens781 m away | 51 m² | 84 m² | +33 m² +65% | 2022 |
|---|
| 29, Rothbury Gardens831 m away | 62 m² | 94 m² | +32 m² +52% | 2024 |
|---|
| 21, Parkwood Road898 m away | 113 m² | 145 m² | +32 m² +28% | 2024 |
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| 40, Syon Park Gardens402 m away | 96 m² | 128 m² | +32 m² +33% | 2022 |
|---|
| 24, Oaklands Avenue0 m away | 109 m² | 140 m² | +31 m² +28% | 2015 |
|---|
| 343, Jersey Road465 m away | 115 m² | 145 m² | +30 m² +26% | 2020 |
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| 271, Jersey Road745 m away | 103 m² | 132 m² | +29 m² +28% | 2018 |
|---|
| 72, Syon Lane480 m away | 94 m² | 122 m² | +28 m² +30% | 2023 |
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| 124, Wood Lane460 m away | 109 m² | 137 m² | +28 m² +26% | 2022 |
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| 9, Oaklands Avenue0 m away | 102 m² | 129 m² | +27 m² +26% | 2025 |
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| 1, Braybourne Drive428 m away | 99 m² | 125 m² | +26 m² +26% | 2018 |
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| 45, Syon Park Gardens379 m away | 113 m² | 139 m² | +26 m² +23% | 2016 |
|---|
| 815, Great West Road520 m away | 124 m² | 148 m² | +24 m² +19% | 2026 |
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| 100, Syon Lane480 m away | 135 m² | 158 m² | +23 m² +17% | 2026 |
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| 35, Borough Road875 m away | 120 m² | 143 m² | +23 m² +19% | 2026 |
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| 8, Warkworth Gardens653 m away | 42 m² | 64 m² | +22 m² +52% | 2026 |
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| 83, College Road886 m away | 142 m² | 164 m² | +22 m² +15% | 2026 |
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| 657, Great West Road982 m away | 114 m² | 135 m² | +21 m² +18% | 2026 |
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| 77, Otterburn Gardens789 m away | 62 m² | 83 m² | +21 m² +34% | 2025 |
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| 71, Otterburn Gardens789 m away | 62 m² | 83 m² | +21 m² +34% | 2025 |
|---|
| 40, College Road978 m away | 87 m² | 108 m² | +21 m² +24% | 2021 |
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| 341, Jersey Road465 m away | 122 m² | 142 m² | +20 m² +16% | 2022 |
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| 39, Warkworth Gardens783 m away | 39 m² | 59 m² | +20 m² +51% | 2022 |
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| 43, Borough Road875 m away | 103 m² | 122 m² | +19 m² +18% | 2026 |
|---|
| 3, Warkworth Gardens653 m away | 62 m² | 81 m² | +19 m² +31% | 2023 |
|---|
| 31, Stags Way267 m away | 47 m² | 66 m² | +19 m² +40% | 2022 |
|---|
| Flat 62, Lancaster House, Borough Road750 m away | 49 m² | 65 m² | +16 m² +33% | 2021 |
|---|
| 92, Wood Lane854 m away | 105 m² | 121 m² | +16 m² +15% | 2017 |
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| 14, Warkworth Gardens653 m away | 59 m² | 74 m² | +15 m² +25% | 2023 |
|---|
| 76, Roxborough Avenue614 m away | 99 m² | 114 m² | +15 m² +15% | 2013 |
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| 29, Otterburn Gardens654 m away | 45 m² | 60 m² | +15 m² +33% | 2013 |
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