Finding extended homes…
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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 W5 3PA
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 |
|---|---|---|---|---|
| 15a, Tring Avenue167 m away | 171 m² | 377 m² | +206 m² +120% | 2019 |
| 15, Creswick Road965 m away | 194 m² | 362 m² | +168 m² +87% | 2017 |
| 27, Hamilton Road739 m away | 251 m² | 409 m² | +158 m² +63% | 2025 |
| 13, Heathfield Road892 m away | 173 m² | 324 m² | +151 m² +87% | 2020 |
| Dental Surgery, 31, The Mall856 m away | 413 m² | 560 m² | +147 m² +36% | 2026 |
| 1, Twyford Crescent418 m away | 300 m² | 430 m² | +130 m² +43% | 2021 |
| 96, Gunnersbury Avenue847 m away | 173 m² | 302 m² | +129 m² +75% | 2022 |
| 63, Twyford Avenue486 m away | 147 m² | 273 m² | +126 m² +86% | 2026 |
| 13, Tring Avenue167 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.
| 360 m² |
| 480 m² |
| +120 m² +33% |
| 2017 |
| 12, Warwick Road758 m away | 197 m² | 314 m² | +117 m² +59% | 2021 |
|---|
| 55, Delamere Road736 m away | 156 m² | 267 m² | +111 m² +71% | 2016 |
|---|
| 24, Carbery Avenue574 m away | 158 m² | 268 m² | +110 m² +70% | 2022 |
|---|
| 8, Inglis Road547 m away | 220 m² | 328 m² | +108 m² +49% | 2023 |
|---|
| 3, St Pauls Close508 m away | 83 m² | 191 m² | +108 m² +130% | 2013 |
|---|
| 80, Grange Road809 m away | 222 m² | 329 m² | +107 m² +48% | 2023 |
|---|
| 11, Ascott Avenue890 m away | 157 m² | 262 m² | +105 m² +67% | 2019 |
|---|
| 24, Twyford Avenue452 m away | 187 m² | 291 m² | +104 m² +56% | 2012 |
|---|
| 109, Gunnersbury Avenue862 m away | 135 m² | 238 m² | +103 m² +76% | 2026 |
|---|
| 15, Florence Road803 m away | 352 m² | 455 m² | +103 m² +29% | 2023 |
|---|
| 32, Baronsmede831 m away | 134 m² | 236 m² | +102 m² +76% | 2014 |
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| 4, Carbery Avenue574 m away | 149 m² | 248 m² | +99 m² +66% | 2020 |
|---|
| 53, Delamere Road736 m away | 111 m² | 208 m² | +97 m² +87% | 2022 |
|---|
| 54, Creffield Road308 m away | 101 m² | 198 m² | +97 m² +96% | 2019 |
|---|
| 3, Twyford Crescent418 m away | 209 m² | 301 m² | +92 m² +44% | 2022 |
|---|
| 45, Delamere Road736 m away | 109 m² | 200 m² | +91 m² +83% | 2022 |
|---|
| 53, Tring Avenue290 m away | 125 m² | 215 m² | +90 m² +72% | 2019 |
|---|
| 134, The Grove807 m away | 205 m² | 294 m² | +89 m² +43% | 2024 |
|---|
| 12, Heathfield Road876 m away | 74 m² | 162 m² | +88 m² +119% | 2011 |
|---|
| 2, Hazelwood Close805 m away | 173 m² | 258 m² | +85 m² +49% | 2025 |
|---|
| 148, Lynton Road728 m away | 144 m² | 228 m² | +84 m² +58% | 2025 |
|---|
| 77, Delamere Road725 m away | 151 m² | 234 m² | +83 m² +55% | 2023 |
|---|
| 9, King Edwards Gardens416 m away | 72 m² | 155 m² | +83 m² +115% | 2019 |
|---|
| 16, Creffield Road308 m away | 208 m² | 290 m² | +82 m² +39% | 2022 |
|---|
| 50, King Edwards Gardens508 m away | 71 m² | 153 m² | +82 m² +115% | 2018 |
|---|
| 40, Baronsmede831 m away | 123 m² | 205 m² | +82 m² +67% | 2010 |
|---|
| 49, Churchill Gardens944 m away | 70 m² | 150 m² | +80 m² +114% | 2022 |
|---|
| 23, West Lodge Avenue352 m away | 232 m² | 312 m² | +80 m² +34% | 2017 |
|---|
| 53, Baronsmede809 m away | 129 m² | 208 m² | +79 m² +61% | 2020 |
|---|
| 192, Popes Lane904 m away | 122 m² | 201 m² | +79 m² +65% | 2015 |
|---|
| 10, Carbery Avenue574 m away | 165 m² | 243 m² | +78 m² +47% | 2016 |
|---|
| 61, Chatsworth Gardens775 m away | 163 m² | 240 m² | +77 m² +47% | 2023 |
|---|
| 37, Baronsmede809 m away | 131 m² | 207 m² | +76 m² +58% | 2017 |
|---|
| 10, Elgar Avenue740 m away | 156 m² | 231 m² | +75 m² +48% | 2023 |
|---|
| 48, Baronsmede831 m away | 128 m² | 203 m² | +75 m² +59% | 2019 |
|---|
| 44, King Edwards Gardens508 m away | 148 m² | 222 m² | +74 m² +50% | 2024 |
|---|
| 189, Popes Lane965 m away | 100 m² | 174 m² | +74 m² +74% | 2016 |
|---|
| 86, The Grove974 m away | 53 m² | 127 m² | +74 m² +140% | 2009 |
|---|
| 271, Popes Lane965 m away | 131 m² | 204 m² | +73 m² +56% | 2013 |
|---|
| 37, Willcott Road662 m away | 68 m² | 140 m² | +72 m² +106% | 2023 |
|---|
| 5, Montague Gardens527 m away | 201 m² | 273 m² | +72 m² +36% | 2018 |
|---|
| 74, Tring Avenue265 m away | 130 m² | 202 m² | +72 m² +55% | 2014 |
|---|
| 29, Carbery Avenue578 m away | 179 m² | 250 m² | +71 m² +40% | 2025 |
|---|
| 34, Elm Grove Road730 m away | 181 m² | 252 m² | +71 m² +39% | 2022 |
|---|
| 14, Heathfield Road876 m away | 59 m² | 130 m² | +71 m² +120% | 2009 |
|---|
| 50, Baronsmede831 m away | 136 m² | 206 m² | +70 m² +51% | 2023 |
|---|
| 162, Popes Lane904 m away | 165 m² | 234 m² | +69 m² +42% | 2024 |
|---|
| 24, Ascott Avenue911 m away | 139 m² | 207 m² | +68 m² +49% | 2026 |
|---|
| 49, Carbery Avenue578 m away | 137 m² | 204 m² | +67 m² +49% | 2026 |
|---|
| 18, Tring Avenue167 m away | 115 m² | 182 m² | +67 m² +58% | 2023 |
|---|
| 277, Popes Lane965 m away | 157 m² | 223 m² | +66 m² +42% | 2025 |
|---|
| 44, Mill Hill Road891 m away | 65 m² | 131 m² | +66 m² +102% | 2019 |
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| 13, Gunnersbury Gardens815 m away | 115 m² | 180 m² | +65 m² +57% | 2023 |
|---|
| 2, Carbery Avenue574 m away | 171 m² | 236 m² | +65 m² +38% | 2020 |
|---|
| 86, Creffield Road669 m away | 83 m² | 148 m² | +65 m² +78% | 2018 |
|---|
| 60, Twyford Avenue485 m away | 194 m² | 259 m² | +65 m² +34% | 2010 |
|---|
| 2, Twyford Avenue452 m away | 212 m² | 275 m² | +63 m² +30% | 2023 |
|---|
| 7, Twyford Avenue394 m away | 241 m² | 303 m² | +62 m² +26% | 2015 |
|---|
| 16, Gunnersbury Gardens723 m away | 56 m² | 118 m² | +62 m² +111% | 2012 |
|---|
| 12, Kenilworth Road862 m away | 186 m² | 246 m² | +60 m² +32% | 2026 |
|---|
| 19, Gunnersbury Crescent822 m away | 124 m² | 184 m² | +60 m² +48% | 2024 |
|---|
| 20, Whitehall Gardens499 m away | 145 m² | 205 m² | +60 m² +41% | 2022 |
|---|
| 6, Twyford Avenue452 m away | 187 m² | 247 m² | +60 m² +32% | 2016 |
|---|
| 12, Churchill Gardens944 m away | 58 m² | 117 m² | +59 m² +102% | 2025 |
|---|
| 283, Popes Lane965 m away | 129 m² | 188 m² | +59 m² +46% | 2024 |
|---|
| 10, Elm Grove Road730 m away | 148 m² | 207 m² | +59 m² +40% | 2022 |
|---|
| 343, Uxbridge Road488 m away | 48 m² | 107 m² | +59 m² +123% | 2012 |
|---|
| 157a, Lynton Road784 m away | 77 m² | 135 m² | +58 m² +75% | 2024 |
|---|
| 3, Byron Road129 m away | 131 m² | 189 m² | +58 m² +44% | 2019 |
|---|
| 25, Hart Grove250 m away | 91 m² | 149 m² | +58 m² +64% | 2013 |
|---|
| 8, Chatsworth Gardens799 m away | 173 m² | 230 m² | +57 m² +33% | 2026 |
|---|
| 6, Delamere Road724 m away | 206 m² | 263 m² | +57 m² +28% | 2023 |
|---|
| 55, Creffield Road445 m away | 204 m² | 261 m² | +57 m² +28% | 2017 |
|---|
| 187, Popes Lane965 m away | 75 m² | 131 m² | +56 m² +75% | 2018 |
|---|
| 15, Buxton Gardens794 m away | 163 m² | 218 m² | +55 m² +34% | 2025 |
|---|
| 133, Lynton Road784 m away | 58 m² | 112 m² | +54 m² +93% | 2024 |
|---|
| 18, Whitehall Gardens499 m away | 139 m² | 192 m² | +53 m² +38% | 2024 |
|---|
| 22, Waldegrave Road677 m away | 90 m² | 143 m² | +53 m² +59% | 2018 |
|---|
| 20, Tring Avenue167 m away | 131 m² | 184 m² | +53 m² +40% | 2013 |
|---|
| 18, Rosemont Road947 m away | 247 m² | 299 m² | +52 m² +21% | 2025 |
|---|
| 47, Fordhook Avenue223 m away | 161 m² | 213 m² | +52 m² +32% | 2021 |
|---|
| 148, Popes Lane958 m away | 99 m² | 151 m² | +52 m² +53% | 2009 |
|---|
| 28, Lexden Road838 m away | 98 m² | 149 m² | +51 m² +52% | 2025 |
|---|
| 78, Mill Hill Road801 m away | 141 m² | 192 m² | +51 m² +36% | 2020 |
|---|
| 5, Twyford Avenue394 m away | 242 m² | 293 m² | +51 m² +21% | 2013 |
|---|
| 38, Hillcrest Road663 m away | 130 m² | 180 m² | +50 m² +38% | 2026 |
|---|
| 3, Churchill Gardens944 m away | 66 m² | 116 m² | +50 m² +76% | 2022 |
|---|
| 13, King Edwards Gardens416 m away | 155 m² | 205 m² | +50 m² +32% | 2020 |
|---|
| 38, Fordhook Avenue222 m away | 148 m² | 198 m² | +50 m² +34% | 2018 |
|---|
| 6, Buxton Gardens776 m away | 125 m² | 175 m² | +50 m² +40% | 2014 |
|---|
| 90, The Grove974 m away | 44 m² | 94 m² | +50 m² +114% | 2010 |
|---|
| 24, Oakley Avenue574 m away | 260 m² | 310 m² | +50 m² +19% | 2009 |
|---|
| 20, Hale Gardens306 m away | 124 m² | 173 m² | +49 m² +40% | 2024 |
|---|
| 29, Twyford Avenue394 m away | 182 m² | 231 m² | +49 m² +27% | 2021 |
|---|
| 203, Popes Lane965 m away | 109 m² | 158 m² | +49 m² +45% | 2020 |
|---|
| 50, Madeley Road965 m away | 283 m² | 331 m² | +48 m² +17% | 2026 |
|---|
| 26, Lexden Road838 m away | 101 m² | 149 m² | +48 m² +48% | 2025 |
|---|
| 118, The Grove807 m away | 236 m² | 284 m² | +48 m² +20% | 2022 |
|---|
| 150, Noel Road875 m away | 66 m² | 114 m² | +48 m² +73% | 2019 |
|---|
| 36, Waldegrave Road677 m away | 93 m² | 140 m² | +47 m² +51% | 2026 |
|---|
| 82, Fordhook Avenue238 m away | 67 m² | 114 m² | +47 m² +70% | 2022 |
|---|
| 34, West Lodge Avenue315 m away | 201 m² | 248 m² | +47 m² +23% | 2015 |
|---|
| 4, The Corner785 m away | 105 m² | 151 m² | +46 m² +44% | 2025 |
|---|
| 1, North Common Lodge, Hanger Lane523 m away | 271 m² | 317 m² | +46 m² +17% | 2024 |
|---|
| 91, The Ridgeway942 m away | 94 m² | 140 m² | +46 m² +49% | 2018 |
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| 11, Birch Grove220 m away | 202 m² | 248 m² | +46 m² +23% | 2015 |
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| 2a, Mayfield Road851 m away | 122 m² | 167 m² | +45 m² +37% | 2022 |
|---|
| 137, Avenue Road860 m away | 60 m² | 105 m² | +45 m² +75% | 2022 |
|---|
| 69, Gunnersbury Avenue646 m away | 85 m² | 130 m² | +45 m² +53% | 2020 |
|---|
| 4, Deena Close944 m away | 56 m² | 101 m² | +45 m² +80% | 2013 |
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| 45, Warwick Road940 m away | 195 m² | 239 m² | +44 m² +23% | 2024 |
|---|
| 36, Grange Park663 m away | 56 m² | 100 m² | +44 m² +79% | 2010 |
|---|
| 64, Fordhook Avenue238 m away | 153 m² | 196 m² | +43 m² +28% | 2024 |
|---|
| 22, Gunnersbury Lane728 m away | 68 m² | 111 m² | +43 m² +63% | 2019 |
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| 99, Delamere Road725 m away | 123 m² | 166 m² | +43 m² +35% | 2018 |
|---|
| Flat 2, Ada House, 74, Grange Road809 m away | 40 m² | 83 m² | +43 m² +108% | 2014 |
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| Flat 1, Ada House, 74, Grange Road809 m away | 29 m² | 72 m² | +43 m² +148% | 2014 |
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| 91, Delamere Road725 m away | 159 m² | 201 m² | +42 m² +26% | 2025 |
|---|
| 144, Popes Lane958 m away | 114 m² | 156 m² | +42 m² +37% | 2023 |
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| 33, Hillcrest Road618 m away | 140 m² | 181 m² | +41 m² +29% | 2025 |
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| 11, St Marks Road623 m away | 68 m² | 109 m² | +41 m² +60% | 2023 |
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| Flat 3, 9, King Edwards Gardens416 m away | 38 m² | 79 m² | +41 m² +108% | 2020 |
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| 152, Noel Road875 m away | 75 m² | 116 m² | +41 m² +55% | 2019 |
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| Flat 1, 39, Mill Hill Road926 m away | 42 m² | 83 m² | +41 m² +98% | 2018 |
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| 27, Churchill Gardens944 m away | 86 m² | 127 m² | +41 m² +48% | 2014 |
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| 79a, The Grove986 m away | 51 m² | 91 m² | +40 m² +78% | 2025 |
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| 32, King Edwards Gardens508 m away | 77 m² | 117 m² | +40 m² +52% | 2022 |
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| 7, Birch Grove220 m away | 219 m² | 259 m² | +40 m² +18% | 2021 |
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| 37, Birch Grove295 m away | 217 m² | 257 m² | +40 m² +18% | 2021 |
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| Flat 3, 22, Twyford Crescent418 m away | 62 m² | 102 m² | +40 m² +65% | 2012 |
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| 1, Queen Annes Grove888 m away | 127 m² | 166 m² | +39 m² +31% | 2023 |
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| 21, Waldegrave Road677 m away | 72 m² | 111 m² | +39 m² +54% | 2021 |
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| 60, King Edwards Gardens508 m away | 156 m² | 195 m² | +39 m² +25% | 2018 |
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| 23, Gunnersbury Gardens815 m away | 116 m² | 155 m² | +39 m² +34% | 2018 |
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| 14a, Leopold Road176 m away | 98 m² | 137 m² | +39 m² +40% | 2012 |
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| Flat 3, 65, Fordhook Avenue223 m away | 54 m² | 93 m² | +39 m² +72% | 2012 |
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| 42, Windsor Road944 m away | 52 m² | 91 m² | +39 m² +75% | 2010 |
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| 182, Popes Lane904 m away | 157 m² | 195 m² | +38 m² +24% | 2024 |
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| 2a, Boileau Parade912 m away | 50 m² | 88 m² | +38 m² +76% | 2024 |
|---|
| 27, Hillcrest Road618 m away | 195 m² | 233 m² | +38 m² +19% | 2021 |
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| 13a, Woodgrange Avenue82 m away | 94 m² | 132 m² | +38 m² +40% | 2020 |
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| 22, Willcott Road662 m away | 118 m² | 156 m² | +38 m² +32% | 2012 |
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| 6, Leopold Road176 m away | 158 m² | 195 m² | +37 m² +23% | 2025 |
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| 12, Boddington Gardens662 m away | 123 m² | 160 m² | +37 m² +30% | 2023 |
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| 158, Avenue Road952 m away | 62 m² | 99 m² | +37 m² +60% | 2022 |
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| Flat 1, 20, North Common Road556 m away | 93 m² | 130 m² | +37 m² +40% | 2021 |
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| 2, St Matthews Road621 m away | 56 m² | 93 m² | +37 m² +66% | 2014 |
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| 14b, Granville Gardens0 m away | 43 m² | 79 m² | +36 m² +84% | 2023 |
|---|
| 18, Creffield Road308 m away | 39 m² | 75 m² | +36 m² +92% | 2023 |
|---|
| Flat 1, 22, Gunnersbury Avenue422 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 8, Birch Grove258 m away | 214 m² | 250 m² | +36 m² +17% | 2021 |
|---|
| 11a, Windsor Road982 m away | 38 m² | 74 m² | +36 m² +95% | 2019 |
|---|
| 1, Elm Avenue484 m away | 82 m² | 118 m² | +36 m² +44% | 2014 |
|---|
| 5, Deena Close944 m away | 102 m² | 138 m² | +36 m² +35% | 2013 |
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| 31b, Grange Park663 m away | 116 m² | 151 m² | +35 m² +30% | 2023 |
|---|
| 117, Lynton Road784 m away | 43 m² | 78 m² | +35 m² +81% | 2023 |
|---|
| 14, Western Gardens462 m away | 140 m² | 175 m² | +35 m² +25% | 2019 |
|---|
| 60a, Mill Hill Road891 m away | 36 m² | 71 m² | +35 m² +97% | 2009 |
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| 18, The Park962 m away | 140 m² | 174 m² | +34 m² +24% | 2024 |
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| 91, St Pauls Close624 m away | 95 m² | 129 m² | +34 m² +36% | 2022 |
|---|
| 31, Delamere Road736 m away | 164 m² | 198 m² | +34 m² +21% | 2022 |
|---|
| 243, Noel Road834 m away | 90 m² | 124 m² | +34 m² +38% | 2022 |
|---|
| 19, Fordhook Avenue223 m away | 173 m² | 207 m² | +34 m² +20% | 2020 |
|---|
| 85, The Grove986 m away | 45 m² | 79 m² | +34 m² +76% | 2018 |
|---|
| 148, Gunnersbury Avenue971 m away | 116 m² | 150 m² | +34 m² +29% | 2017 |
|---|
| Flat 3, 47, Grange Park747 m away | 57 m² | 91 m² | +34 m² +60% | 2014 |
|---|
| 2, Tudor Way700 m away | 164 m² | 197 m² | +33 m² +20% | 2026 |
|---|
| 35, Delamere Road736 m away | 119 m² | 152 m² | +33 m² +28% | 2023 |
|---|
| 38, Birch Grove323 m away | 217 m² | 250 m² | +33 m² +15% | 2020 |
|---|
| 19a, Chatsworth Gardens799 m away | 57 m² | 90 m² | +33 m² +58% | 2019 |
|---|
| Flat 1, 37, Mill Hill Road926 m away | 41 m² | 74 m² | +33 m² +80% | 2018 |
|---|
| 77, The Grove986 m away | 42 m² | 75 m² | +33 m² +79% | 2010 |
|---|
| 45a, Gunnersbury Avenue646 m away | 70 m² | 102 m² | +32 m² +46% | 2024 |
|---|
| 8, Fielding Terrace234 m away | 170 m² | 202 m² | +32 m² +19% | 2019 |
|---|
| 6a, Avenue Crescent941 m away | 61 m² | 92 m² | +31 m² +51% | 2024 |
|---|
| 9, Waldegrave Road677 m away | 58 m² | 89 m² | +31 m² +53% | 2020 |
|---|
| Flat 23, Rutland Court, Queens Drive880 m away | 64 m² | 95 m² | +31 m² +48% | 2020 |
|---|
| 5, Elm Grove Road744 m away | 148 m² | 179 m² | +31 m² +21% | 2019 |
|---|
| 35, Gunnersbury Lane750 m away | 50 m² | 80 m² | +30 m² +60% | 2026 |
|---|
| 71, Gunnersbury Lane768 m away | 111 m² | 141 m² | +30 m² +27% | 2026 |
|---|
| 31, Deena Close944 m away | 79 m² | 109 m² | +30 m² +38% | 2026 |
|---|
| 80, Fordhook Avenue238 m away | 87 m² | 117 m² | +30 m² +34% | 2023 |
|---|
| 11, Buxton Gardens794 m away | 171 m² | 201 m² | +30 m² +18% | 2021 |
|---|
| 83, The Grove986 m away | 184 m² | 214 m² | +30 m² +16% | 2021 |
|---|
| Flat 4, 45, Grange Park747 m away | 57 m² | 87 m² | +30 m² +53% | 2019 |
|---|
| 36, Rosemont Road842 m away | 33 m² | 63 m² | +30 m² +91% | 2016 |
|---|
| 17, Carbery Avenue578 m away | 169 m² | 199 m² | +30 m² +18% | 2015 |
|---|
| 54, Tring Avenue265 m away | 134 m² | 164 m² | +30 m² +22% | 2014 |
|---|
| 25, Hale Gardens344 m away | 184 m² | 214 m² | +30 m² +16% | 2012 |
|---|
| 41, Warwick Road940 m away | 45 m² | 75 m² | +30 m² +67% | 2010 |
|---|
| Flat 5, 20, Rosemont Road947 m away | 38 m² | 67 m² | +29 m² +76% | 2023 |
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