Finding extended homes…
These only choose where you start. Every page and every lens is still one tap away.
Sign in to keep them on every device →Finding extended homes…
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 TW9 4DR
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 |
|---|---|---|---|---|
| 19, Nylands Avenue631 m away | 194 m² | 411 m² | +217 m² +112% | 2025 |
| 13, Kelsall Mews450 m away | 221 m² | 430 m² | +209 m² +95% | 2012 |
| 2, West Park Avenue307 m away | 202 m² | 402 m² | +200 m² +99% | 2022 |
| 23, Hartington Road583 m away | 160 m² | 314 m² | +154 m² +96% | 2024 |
| 1, Lawn Crescent816 m away | 200 m² | 342 m² | +142 m² +71% | 2018 |
| 41a, Atwood Avenue884 m away | 90 m² | 225 m² | +135 m² +150% | 2018 |
| 160, Sutton Court Road890 m away | 178 m² | 305 m² | +127 m² +71% | 2022 |
| The Cottage, Hatherley Road885 m away | 110 m² | 225 m² | +115 m² +105% | 2016 |
| 30, Grove Park Road640 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.
| 117 m² |
| 226 m² |
| +109 m² +93% |
| 2025 |
| 4, Kinnaird Avenue665 m away | 140 m² | 247 m² | +107 m² +76% | 2020 |
|---|
| 20, Grove Park Gardens652 m away | 248 m² | 354 m² | +106 m² +43% | 2025 |
|---|
| 15, Pensford Avenue746 m away | 185 m² | 289 m² | +104 m² +56% | 2023 |
|---|
| 12, Taylor Avenue747 m away | 127 m² | 229 m² | +102 m² +80% | 2019 |
|---|
| 35, Kinnaird Avenue665 m away | 137 m² | 238 m² | +101 m² +74% | 2018 |
|---|
| Hope House, 1, Kew Gardens Road457 m away | 284 m² | 382 m² | +98 m² +35% | 2020 |
|---|
| 35, Hartington Road583 m away | 256 m² | 353 m² | +97 m² +38% | 2024 |
|---|
| 96, Mortlake Road269 m away | 200 m² | 296 m² | +96 m² +48% | 2018 |
|---|
| 17, Chelwood Gardens718 m away | 102 m² | 198 m² | +96 m² +94% | 2011 |
|---|
| 16, Lichfield Road557 m away | 245 m² | 339 m² | +94 m² +38% | 2023 |
|---|
| 147, Mortlake Road422 m away | 110 m² | 198 m² | +88 m² +80% | 2017 |
|---|
| 3, Atwood Avenue884 m away | 114 m² | 200 m² | +86 m² +75% | 2022 |
|---|
| 15, Grove Park Terrace678 m away | 259 m² | 345 m² | +86 m² +33% | 2020 |
|---|
| Mulberry House, Cavendish Road906 m away | 87 m² | 172 m² | +85 m² +98% | 2020 |
|---|
| 221, Mortlake Road677 m away | 143 m² | 227 m² | +84 m² +59% | 2023 |
|---|
| 9, The Avenue903 m away | 206 m² | 290 m² | +84 m² +41% | 2023 |
|---|
| 40, St Marys Grove823 m away | 207 m² | 283 m² | +76 m² +37% | 2022 |
|---|
| 24, Lawn Crescent754 m away | 208 m² | 283 m² | +75 m² +36% | 2022 |
|---|
| 2a, Burlington Avenue200 m away | 91 m² | 165 m² | +74 m² +81% | 2015 |
|---|
| 18, Nylands Avenue631 m away | 134 m² | 204 m² | +70 m² +52% | 2019 |
|---|
| 36, Beechwood Avenue277 m away | 163 m² | 232 m² | +69 m² +42% | 2024 |
|---|
| 110, Thompson Avenue947 m away | 59 m² | 128 m² | +69 m² +117% | 2015 |
|---|
| 13, Magnolia Road605 m away | 81 m² | 150 m² | +69 m² +85% | 2012 |
|---|
| 67, North Road949 m away | 95 m² | 161 m² | +66 m² +69% | 2022 |
|---|
| 22, Kelsall Mews450 m away | 228 m² | 294 m² | +66 m² +29% | 2010 |
|---|
| 64, Burlington Avenue334 m away | 146 m² | 210 m² | +64 m² +44% | 2025 |
|---|
| 70, West Park Avenue307 m away | 207 m² | 271 m² | +64 m² +31% | 2014 |
|---|
| 74, Forest Road270 m away | 139 m² | 202 m² | +63 m² +45% | 2024 |
|---|
| Flat 5, 14, Kew Gardens Road379 m away | 91 m² | 152 m² | +61 m² +67% | 2020 |
|---|
| 288, Sandycombe Road584 m away | 93 m² | 152 m² | +59 m² +63% | 2022 |
|---|
| 11, Chiswick Quay807 m away | 104 m² | 163 m² | +59 m² +57% | 2022 |
|---|
| 55, Bushwood Road455 m away | 129 m² | 188 m² | +59 m² +46% | 2019 |
|---|
| 40, Oxford Gardens928 m away | 79 m² | 136 m² | +57 m² +72% | 2010 |
|---|
| 15, Gloucester Road430 m away | 118 m² | 174 m² | +56 m² +47% | 2021 |
|---|
| 1, Hatherley Road885 m away | 239 m² | 294 m² | +55 m² +23% | 2022 |
|---|
| 280, Sandycombe Road584 m away | 126 m² | 181 m² | +55 m² +44% | 2015 |
|---|
| 1, Devonshire Gardens768 m away | 89 m² | 144 m² | +55 m² +62% | 2014 |
|---|
| 60, Hartington Road561 m away | 237 m² | 291 m² | +54 m² +23% | 2022 |
|---|
| 81, Priory Road336 m away | 179 m² | 233 m² | +54 m² +30% | 2019 |
|---|
| 19, West Park Avenue305 m away | 103 m² | 157 m² | +54 m² +52% | 2013 |
|---|
| 43, Leyborne Park258 m away | 159 m² | 212 m² | +53 m² +33% | 2025 |
|---|
| 2, Wolseley Gardens984 m away | 164 m² | 217 m² | +53 m² +32% | 2023 |
|---|
| 75, St Marys Grove775 m away | 169 m² | 222 m² | +53 m² +31% | 2016 |
|---|
| 50, Alexandra Road944 m away | 67 m² | 119 m² | +52 m² +78% | 2024 |
|---|
| 54, Ennerdale Road838 m away | 100 m² | 150 m² | +50 m² +50% | 2025 |
|---|
| 2b, Alexandra Road944 m away | 90 m² | 139 m² | +49 m² +54% | 2018 |
|---|
| 28, West Park Avenue307 m away | 107 m² | 156 m² | +49 m² +46% | 2016 |
|---|
| 28, High Park Road486 m away | 66 m² | 114 m² | +48 m² +73% | 2026 |
|---|
| 37, Grove Park Road579 m away | 164 m² | 210 m² | +46 m² +28% | 2026 |
|---|
| 7, Greenlink Walk507 m away | 279 m² | 325 m² | +46 m² +16% | 2022 |
|---|
| 1, Station Gardens994 m away | 70 m² | 116 m² | +46 m² +66% | 2010 |
|---|
| 34, Riverview Grove626 m away | 101 m² | 146 m² | +45 m² +45% | 2024 |
|---|
| 57, Oxford Road South974 m away | 61 m² | 106 m² | +45 m² +74% | 2020 |
|---|
| 72, Waldeck Road899 m away | 76 m² | 121 m² | +45 m² +59% | 2018 |
|---|
| 38, Alexandra Road944 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 16a, Burlington Avenue200 m away | 66 m² | 110 m² | +44 m² +67% | 2022 |
|---|
| 34, Magnolia Road695 m away | 71 m² | 115 m² | +44 m² +62% | 2020 |
|---|
| 5, The Avenue903 m away | 181 m² | 225 m² | +44 m² +24% | 2020 |
|---|
| 19, Fauconberg Road958 m away | 107 m² | 151 m² | +44 m² +41% | 2015 |
|---|
| Flat 37, Acqua House, 41, Melliss Avenue277 m away | 98 m² | 142 m² | +44 m² +45% | 2011 |
|---|
| 12, Gordon Road832 m away | 109 m² | 152 m² | +43 m² +39% | 2026 |
|---|
| 104, Thompson Avenue947 m away | 62 m² | 105 m² | +43 m² +69% | 2024 |
|---|
| 76, Waldeck Road899 m away | 73 m² | 116 m² | +43 m² +59% | 2020 |
|---|
| 9, Gordon Road832 m away | 106 m² | 149 m² | +43 m² +41% | 2013 |
|---|
| 198, Sutton Court Road890 m away | 96 m² | 139 m² | +43 m² +45% | 2013 |
|---|
| Flat 1, 290, Kew Road479 m away | 37 m² | 79 m² | +42 m² +114% | 2015 |
|---|
| 215, Mortlake Road677 m away | 130 m² | 172 m² | +42 m² +32% | 2012 |
|---|
| 12, Haverfield Gardens419 m away | 125 m² | 166 m² | +41 m² +33% | 2025 |
|---|
| 11, West Park Avenue305 m away | 97 m² | 138 m² | +41 m² +42% | 2024 |
|---|
| 5, Station Gardens994 m away | 70 m² | 111 m² | +41 m² +59% | 2022 |
|---|
| 29, Ernest Gardens662 m away | 69 m² | 110 m² | +41 m² +59% | 2021 |
|---|
| 138, Park Road971 m away | 206 m² | 247 m² | +41 m² +20% | 2018 |
|---|
| 9, Taylor Avenue746 m away | 162 m² | 203 m² | +41 m² +25% | 2014 |
|---|
| 12, Oxford Gardens928 m away | 50 m² | 91 m² | +41 m² +82% | 2013 |
|---|
| 22a, Burlington Avenue200 m away | 65 m² | 105 m² | +40 m² +62% | 2019 |
|---|
| 23, Riverview Road567 m away | 70 m² | 110 m² | +40 m² +57% | 2019 |
|---|
| 32, Burlington Avenue200 m away | 155 m² | 195 m² | +40 m² +26% | 2015 |
|---|
| 2, Hanover Close385 m away | 87 m² | 127 m² | +40 m² +46% | 2015 |
|---|
| 63, Burlington Avenue320 m away | 60 m² | 100 m² | +40 m² +67% | 2010 |
|---|
| 15, Mortlake Road398 m away | 242 m² | 281 m² | +39 m² +16% | 2025 |
|---|
| 78, Waldeck Road899 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
|---|
| 6, Burnaby Crescent928 m away | 162 m² | 201 m² | +39 m² +24% | 2020 |
|---|
| 21, Station Gardens994 m away | 69 m² | 108 m² | +39 m² +57% | 2016 |
|---|
| 126, Park Road971 m away | 99 m² | 137 m² | +38 m² +38% | 2026 |
|---|
| 4, St Marys Grove911 m away | 164 m² | 202 m² | +38 m² +23% | 2022 |
|---|
| 56, Alexandra Road944 m away | 84 m² | 122 m² | +38 m² +45% | 2022 |
|---|
| 90, Grove Park Terrace844 m away | 195 m² | 232 m² | +37 m² +19% | 2024 |
|---|
| 1a, Station Parade, Burlington Lane956 m away | 66 m² | 103 m² | +37 m² +56% | 2019 |
|---|
| 7, Lawn Crescent816 m away | 182 m² | 218 m² | +36 m² +20% | 2025 |
|---|
| 17, Pyrmont Road855 m away | 94 m² | 130 m² | +36 m² +38% | 2024 |
|---|
| 3, Waldeck Road907 m away | 71 m² | 107 m² | +36 m² +51% | 2023 |
|---|
| 39, Alexandra Road969 m away | 74 m² | 110 m² | +36 m² +49% | 2023 |
|---|
| 3, Defoe Avenue79 m away | 118 m² | 154 m² | +36 m² +31% | 2020 |
|---|
| 3, Cambridge Road453 m away | 106 m² | 142 m² | +36 m² +34% | 2019 |
|---|
| 42, Defoe Avenue78 m away | 119 m² | 155 m² | +36 m² +30% | 2016 |
|---|
| 43, Alexandra Road969 m away | 75 m² | 111 m² | +36 m² +48% | 2015 |
|---|
| 167, Mortlake Road422 m away | 168 m² | 204 m² | +36 m² +21% | 2012 |
|---|
| 1b, Fauconberg Road958 m away | 47 m² | 82 m² | +35 m² +74% | 2025 |
|---|
| 10, Pensford Avenue689 m away | 193 m² | 228 m² | +35 m² +18% | 2021 |
|---|
| 210, Sandycombe Road972 m away | 45 m² | 80 m² | +35 m² +78% | 2021 |
|---|
| 45, Ernest Gardens662 m away | 84 m² | 118 m² | +34 m² +40% | 2023 |
|---|
| 65, Bushwood Road455 m away | 167 m² | 201 m² | +34 m² +20% | 2012 |
|---|
| 16, Victoria Cottages734 m away | 38 m² | 71 m² | +33 m² +87% | 2022 |
|---|
| 1, Hanover Close385 m away | 84 m² | 117 m² | +33 m² +39% | 2018 |
|---|
| 10, Barker Close769 m away | 181 m² | 214 m² | +33 m² +18% | 2018 |
|---|
| 22, Pyrmont Road855 m away | 100 m² | 133 m² | +33 m² +33% | 2016 |
|---|
| 73, Bushwood Road455 m away | 143 m² | 176 m² | +33 m² +23% | 2014 |
|---|
| 22, Lawn Crescent816 m away | 165 m² | 198 m² | +33 m² +20% | 2011 |
|---|
| 25, Whitehall Park Road887 m away | 145 m² | 177 m² | +32 m² +22% | 2022 |
|---|
| 9, Station Gardens994 m away | 69 m² | 101 m² | +32 m² +46% | 2022 |
|---|
| 4, Station Gardens994 m away | 66 m² | 98 m² | +32 m² +48% | 2020 |
|---|
| 42, St Marys Grove823 m away | 191 m² | 223 m² | +32 m² +17% | 2012 |
|---|
| 10, Devonshire Gardens672 m away | 187 m² | 218 m² | +31 m² +17% | 2025 |
|---|
| 12, Geraldine Road821 m away | 76 m² | 107 m² | +31 m² +41% | 2025 |
|---|
| 25, Whitehall Gardens884 m away | 123 m² | 154 m² | +31 m² +25% | 2023 |
|---|
| 156, Park Road971 m away | 141 m² | 172 m² | +31 m² +22% | 2023 |
|---|
| 10, Sutton Court992 m away | 78 m² | 109 m² | +31 m² +40% | 2022 |
|---|
| 31, Bushwood Road455 m away | 138 m² | 169 m² | +31 m² +22% | 2015 |
|---|
| 34, Alexandra Road944 m away | 80 m² | 110 m² | +30 m² +38% | 2025 |
|---|
| 58, Riverview Grove573 m away | 88 m² | 118 m² | +30 m² +34% | 2021 |
|---|
| 7, Alexandra Road969 m away | 80 m² | 110 m² | +30 m² +38% | 2020 |
|---|
| 1, Forest Road167 m away | 153 m² | 183 m² | +30 m² +20% | 2016 |
|---|
| 8, Grove Park Terrace588 m away | 117 m² | 147 m² | +30 m² +26% | 2014 |
|---|
| Flat 4b, Burlington Court, Spencer Road863 m away | 39 m² | 68 m² | +29 m² +74% | 2024 |
|---|
| 96, Thompson Avenue947 m away | 61 m² | 90 m² | +29 m² +48% | 2023 |
|---|
| 36, Forest Road270 m away | 156 m² | 185 m² | +29 m² +19% | 2021 |
|---|
| 4, Chiswick Quay807 m away | 143 m² | 172 m² | +29 m² +20% | 2020 |
|---|
| 31, Pensford Avenue746 m away | 183 m² | 212 m² | +29 m² +16% | 2015 |
|---|
| 18, Chiswick Staithe607 m away | 132 m² | 161 m² | +29 m² +22% | 2014 |
|---|
| 2, Devonshire Gardens768 m away | 41 m² | 70 m² | +29 m² +71% | 2013 |
|---|
| 4, Waldeck Road930 m away | 90 m² | 119 m² | +29 m² +32% | 2013 |
|---|
| 29, Whitehall Gardens884 m away | 112 m² | 141 m² | +29 m² +26% | 2011 |
|---|
| Flat 1, 12, Mortlake Road399 m away | 101 m² | 129 m² | +28 m² +28% | 2023 |
|---|
| 25, Cambridge Cottages656 m away | 65 m² | 93 m² | +28 m² +43% | 2021 |
|---|
| Flat 27, Magenta House, 21, Whitcome Mews630 m away | 83 m² | 111 m² | +28 m² +34% | 2019 |
|---|
| 373a, Sandycombe Road523 m away | 50 m² | 78 m² | +28 m² +56% | 2015 |
|---|
| 72, Thames Road711 m away | 88 m² | 115 m² | +27 m² +31% | 2023 |
|---|
| 9, Waldeck Road907 m away | 107 m² | 134 m² | +27 m² +25% | 2023 |
|---|
| 1a, Magnolia Road605 m away | 78 m² | 105 m² | +27 m² +35% | 2022 |
|---|
| 201, Mortlake Road677 m away | 120 m² | 147 m² | +27 m² +23% | 2021 |
|---|
| Flat 1a, Burlington Court, Spencer Road863 m away | 29 m² | 56 m² | +27 m² +93% | 2021 |
|---|
| 3, Isis Court, Grove Park Road544 m away | 47 m² | 74 m² | +27 m² +57% | 2020 |
|---|
| 13, Whitehall Gardens884 m away | 54 m² | 81 m² | +27 m² +50% | 2015 |
|---|
| 24, Leyborne Park270 m away | 136 m² | 162 m² | +26 m² +19% | 2025 |
|---|
| 48, Magnolia Road661 m away | 72 m² | 98 m² | +26 m² +36% | 2024 |
|---|
| Flat 12, Aura House, 39, Melliss Avenue227 m away | 102 m² | 128 m² | +26 m² +25% | 2023 |
|---|
| Flat 8, Acqua House, 41, Melliss Avenue277 m away | 82 m² | 108 m² | +26 m² +32% | 2021 |
|---|
| 17, Chiswick Staithe607 m away | 110 m² | 136 m² | +26 m² +24% | 2019 |
|---|
| 36, Thames Road711 m away | 51 m² | 77 m² | +26 m² +51% | 2019 |
|---|
| 20, Chiswick Quay807 m away | 154 m² | 180 m² | +26 m² +17% | 2019 |
|---|
| 73, Alexandra Road969 m away | 83 m² | 109 m² | +26 m² +31% | 2019 |
|---|
| 39, The Avenue903 m away | 171 m² | 197 m² | +26 m² +15% | 2017 |
|---|
| 42, West Park Road445 m away | 53 m² | 79 m² | +26 m² +49% | 2013 |
|---|
| 15, Chelwood Gardens718 m away | 146 m² | 171 m² | +25 m² +17% | 2020 |
|---|
| Flat 12, Terrano House, 40, Melliss Avenue285 m away | 68 m² | 93 m² | +25 m² +37% | 2019 |
|---|
| 2c, Hearne Road908 m away | 75 m² | 100 m² | +25 m² +33% | 2019 |
|---|
| 69, Priory Road336 m away | 159 m² | 183 m² | +24 m² +15% | 2025 |
|---|
| 4b, Station Parade, Burlington Lane956 m away | 71 m² | 95 m² | +24 m² +34% | 2022 |
|---|
| 1a, Sutton Court992 m away | 67 m² | 91 m² | +24 m² +36% | 2022 |
|---|
| 20, Pyrmont Road855 m away | 102 m² | 126 m² | +24 m² +24% | 2016 |
|---|
| 44, Taylor Avenue747 m away | 121 m² | 145 m² | +24 m² +20% | 2014 |
|---|
| 9, Station Parade456 m away | 20 m² | 44 m² | +24 m² +120% | 2009 |
|---|
| 26, Ernest Gardens662 m away | 71 m² | 94 m² | +23 m² +32% | 2026 |
|---|
| 46, Magnolia Road661 m away | 74 m² | 97 m² | +23 m² +31% | 2025 |
|---|
| 41, Riverview Grove652 m away | 84 m² | 107 m² | +23 m² +27% | 2024 |
|---|
| Flat 7, Acqua House, 41, Melliss Avenue277 m away | 81 m² | 104 m² | +23 m² +28% | 2023 |
|---|
| 24, Whitehall Park Road887 m away | 133 m² | 156 m² | +23 m² +17% | 2023 |
|---|
| Flat 31, Cedar House, 35, Melliss Avenue309 m away | 49 m² | 72 m² | +23 m² +47% | 2019 |
|---|
| 12, Princes Road510 m away | 69 m² | 92 m² | +23 m² +33% | 2019 |
|---|
| 20, Waldeck Road930 m away | 102 m² | 125 m² | +23 m² +23% | 2019 |
|---|
| 30, Coniston Close674 m away | 65 m² | 88 m² | +23 m² +35% | 2016 |
|---|
| 25, Pyrmont Road855 m away | 94 m² | 117 m² | +23 m² +24% | 2016 |
|---|
| 19, Pyrmont Road855 m away | 113 m² | 136 m² | +23 m² +20% | 2014 |
|---|
| 13, Fauconberg Court, Fauconberg Road927 m away | 72 m² | 94 m² | +22 m² +31% | 2026 |
|---|
| 46, Waldeck Road930 m away | 113 m² | 135 m² | +22 m² +19% | 2022 |
|---|
| 20, Station Approach424 m away | 51 m² | 73 m² | +22 m² +43% | 2021 |
|---|
| 48, Alexandra Road944 m away | 80 m² | 102 m² | +22 m² +28% | 2021 |
|---|
| 28, Defoe Avenue78 m away | 134 m² | 156 m² | +22 m² +16% | 2020 |
|---|
| Flat 1, Grey Gables, 234, Kew Road866 m away | 42 m² | 64 m² | +22 m² +52% | 2015 |
|---|
| 7, Lawford Road922 m away | 126 m² | 147 m² | +21 m² +17% | 2025 |
|---|
| 27, Ernest Gardens662 m away | 81 m² | 102 m² | +21 m² +26% | 2024 |
|---|
| 68, St Marys Grove775 m away | 79 m² | 100 m² | +21 m² +27% | 2024 |
|---|
| Flat 41, Acqua House, 41, Melliss Avenue277 m away | 98 m² | 119 m² | +21 m² +21% | 2023 |
|---|
| 64, Whitehall Park Road771 m away | 130 m² | 151 m² | +21 m² +16% | 2018 |
|---|
| Flat 13, Terrano House, 40, Melliss Avenue285 m away | 88 m² | 109 m² | +21 m² +24% | 2009 |
|---|
| 7, Hearne Road908 m away | 93 m² | 113 m² | +20 m² +22% | 2018 |
|---|
| 112, Thompson Avenue947 m away | 63 m² | 83 m² | +20 m² +32% | 2016 |
|---|
| 172, Sutton Court Road890 m away | 108 m² | 128 m² | +20 m² +19% | 2010 |
|---|
| 284, Kew Road479 m away | 118 m² | 137 m² | +19 m² +16% | 2025 |
|---|
| 6, Hearne Road908 m away | 96 m² | 115 m² | +19 m² +20% | 2025 |
|---|
| Flat 2, Grey Gables, 234, Kew Road866 m away | 117 m² | 136 m² | +19 m² +16% | 2021 |
|---|