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 HA3 6QL
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 |
|---|---|---|---|---|
| 3, Bellfield Avenue464 m away | 108 m² | 251 m² | +143 m² +132% | 2014 |
| 17, West Drive687 m away | 157 m² | 295 m² | +138 m² +88% | 2017 |
| 216, Uxbridge Road231 m away | 118 m² | 242 m² | +124 m² +105% | 2022 |
| 4, Bellfield Avenue508 m away | 181 m² | 293 m² | +112 m² +62% | 2025 |
| 32, Elms Road968 m away | 154 m² | 263 m² | +109 m² +71% | 2023 |
| 1, Oakmeade937 m away | 73 m² | 177 m² | +104 m² +142% | 2025 |
| 179, Uxbridge Road745 m away | 81 m² | 180 m² | +99 m² +122% | 2020 |
| 3, Randon Close962 m away | 85 m² | 174 m² | +89 m² +105% | 2024 |
| 7, Bellfield Avenue464 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 |
| +87 m² +32% |
| 2024 |
| 3, Wealdwood Gardens890 m away | 137 m² | 221 m² | +84 m² +61% | 2022 |
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| 9, Bellfield Avenue464 m away | 83 m² | 167 m² | +84 m² +101% | 2010 |
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| 6, Mead Close766 m away | 64 m² | 147 m² | +83 m² +130% | 2024 |
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| 32, The Lawns558 m away | 97 m² | 178 m² | +81 m² +84% | 2013 |
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| 62, Sherington Avenue790 m away | 85 m² | 165 m² | +80 m² +94% | 2021 |
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| 7, West Drive687 m away | 177 m² | 255 m² | +78 m² +44% | 2026 |
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| 31, Weald Lane962 m away | 99 m² | 177 m² | +78 m² +79% | 2026 |
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| 12, Boxtree Road708 m away | 97 m² | 173 m² | +76 m² +78% | 2023 |
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| 45, Cedar Drive882 m away | 90 m² | 163 m² | +73 m² +81% | 2015 |
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| 11, Bellfield Avenue464 m away | 139 m² | 210 m² | +71 m² +51% | 2019 |
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| 3, Warburton Close674 m away | 136 m² | 205 m² | +69 m² +51% | 2026 |
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| 31, Sherington Avenue812 m away | 119 m² | 188 m² | +69 m² +58% | 2023 |
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| 34, Rowlands Avenue650 m away | 143 m² | 212 m² | +69 m² +48% | 2022 |
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| 160, Uxbridge Road759 m away | 84 m² | 153 m² | +69 m² +82% | 2020 |
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| 22, Monro Gardens929 m away | 108 m² | 175 m² | +67 m² +62% | 2022 |
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| 31, Hampden Road958 m away | 65 m² | 131 m² | +66 m² +102% | 2013 |
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| 29, Sefton Avenue805 m away | 79 m² | 144 m² | +65 m² +82% | 2026 |
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| 35, The Lawns558 m away | 97 m² | 162 m² | +65 m² +67% | 2015 |
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| 11, The Lawns616 m away | 101 m² | 165 m² | +64 m² +63% | 2022 |
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| 5, Ufford Close309 m away | 82 m² | 143 m² | +61 m² +74% | 2015 |
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| 52, Sherington Avenue790 m away | 125 m² | 183 m² | +58 m² +46% | 2020 |
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| 28, Elms Road968 m away | 177 m² | 234 m² | +57 m² +32% | 2024 |
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| 3, Sherington Avenue812 m away | 108 m² | 164 m² | +56 m² +52% | 2025 |
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| 15, Boxtree Lane502 m away | 76 m² | 132 m² | +56 m² +74% | 2023 |
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| 54, Windsor Road586 m away | 81 m² | 135 m² | +54 m² +67% | 2026 |
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| 36, Furham Feild825 m away | 131 m² | 184 m² | +53 m² +40% | 2014 |
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| 37, Weighton Road658 m away | 98 m² | 150 m² | +52 m² +53% | 2024 |
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| 63, College Road977 m away | 166 m² | 218 m² | +52 m² +31% | 2024 |
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| 56, Sefton Avenue863 m away | 142 m² | 194 m² | +52 m² +37% | 2010 |
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| 77, Hampden Road703 m away | 63 m² | 114 m² | +51 m² +81% | 2025 |
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| 49, Oxhey Lane567 m away | 86 m² | 137 m² | +51 m² +59% | 2021 |
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| 38, The Lawns558 m away | 97 m² | 145 m² | +48 m² +49% | 2025 |
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| 8, Silver Close422 m away | 81 m² | 128 m² | +47 m² +58% | 2026 |
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| 163, Long Elmes468 m away | 64 m² | 111 m² | +47 m² +73% | 2016 |
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| 114, College Road998 m away | 243 m² | 290 m² | +47 m² +19% | 2014 |
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| 5, Randon Close962 m away | 128 m² | 173 m² | +45 m² +35% | 2024 |
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| 20, Furham Feild825 m away | 131 m² | 176 m² | +45 m² +34% | 2017 |
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| 188, Uxbridge Road264 m away | 125 m² | 169 m² | +44 m² +35% | 2014 |
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| 20, West Drive627 m away | 190 m² | 233 m² | +43 m² +23% | 2012 |
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| 65, Long Elmes708 m away | 76 m² | 118 m² | +42 m² +55% | 2026 |
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| 20, Randon Close962 m away | 83 m² | 125 m² | +42 m² +51% | 2024 |
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| 15, Farmstead Road993 m away | 100 m² | 142 m² | +42 m² +42% | 2024 |
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| 10, Pinewood Close738 m away | 99 m² | 141 m² | +42 m² +42% | 2023 |
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| 100, Courtenay Avenue262 m away | 69 m² | 110 m² | +41 m² +59% | 2020 |
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| 90, Sefton Avenue863 m away | 103 m² | 144 m² | +41 m² +40% | 2019 |
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| The Gate House, 212, Uxbridge Road231 m away | 91 m² | 132 m² | +41 m² +45% | 2015 |
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| 483, High Road790 m away | 94 m² | 134 m² | +40 m² +43% | 2025 |
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| 58, Cedar Drive932 m away | 157 m² | 197 m² | +40 m² +25% | 2016 |
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| 71, Hutton Lane232 m away | 89 m² | 128 m² | +39 m² +44% | 2023 |
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| 186, Uxbridge Road264 m away | 83 m² | 122 m² | +39 m² +47% | 2020 |
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| 394, High Road856 m away | 136 m² | 175 m² | +39 m² +29% | 2019 |
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| 2, Bancroft Road763 m away | 47 m² | 86 m² | +39 m² +83% | 2011 |
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| 143, Courtenay Avenue330 m away | 117 m² | 155 m² | +38 m² +32% | 2026 |
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| 64, College Road998 m away | 70 m² | 108 m² | +38 m² +54% | 2026 |
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| 2, Broadfield Court, Broadfields886 m away | 67 m² | 105 m² | +38 m² +57% | 2024 |
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| 43, Broadfields886 m away | 75 m² | 112 m² | +37 m² +49% | 2014 |
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| 4, Ufford Close309 m away | 91 m² | 127 m² | +36 m² +40% | 2026 |
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| 51, Weighton Road658 m away | 103 m² | 139 m² | +36 m² +35% | 2020 |
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| 97, Sefton Avenue832 m away | 29 m² | 65 m² | +36 m² +124% | 2017 |
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| 8, Courtenay Avenue610 m away | 86 m² | 121 m² | +35 m² +41% | 2023 |
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| 82, Rowlands Avenue823 m away | 145 m² | 180 m² | +35 m² +24% | 2021 |
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| 246, Long Elmes600 m away | 79 m² | 113 m² | +34 m² +43% | 2022 |
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| 106, Carmelite Road972 m away | 109 m² | 141 m² | +32 m² +29% | 2026 |
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| 21a, Derby Avenue727 m away | 24 m² | 56 m² | +32 m² +133% | 2021 |
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| 9, Belsize Road360 m away | 65 m² | 97 m² | +32 m² +49% | 2020 |
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| 61, Boxtree Lane349 m away | 78 m² | 109 m² | +31 m² +40% | 2025 |
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| 24, Broadfields886 m away | 69 m² | 100 m² | +31 m² +45% | 2021 |
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| 17, Mepham Gardens53 m away | 84 m² | 115 m² | +31 m² +37% | 2020 |
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| 47, Belsize Road360 m away | 69 m² | 100 m² | +31 m² +45% | 2017 |
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| Eastleigh, Headstone Lane610 m away | 91 m² | 122 m² | +31 m² +34% | 2015 |
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| 48, Parkfield Avenue907 m away | 67 m² | 98 m² | +31 m² +46% | 2008 |
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| 33, Boxtree Lane419 m away | 61 m² | 91 m² | +30 m² +49% | 2026 |
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| 20, Maricas Avenue467 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
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| 4, Carmelite Close559 m away | 53 m² | 82 m² | +29 m² +55% | 2024 |
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| Flat 6, Parkview Court, 1, Elms Road804 m away | 39 m² | 68 m² | +29 m² +74% | 2020 |
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| 58, Parkfield Avenue907 m away | 101 m² | 130 m² | +29 m² +29% | 2019 |
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| 1, Hitherwell Drive444 m away | 63 m² | 91 m² | +28 m² +44% | 2026 |
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| 16, West Drive627 m away | 165 m² | 192 m² | +27 m² +16% | 2025 |
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| 20, Long Elmes766 m away | 90 m² | 117 m² | +27 m² +30% | 2025 |
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| 2, Mead Close766 m away | 65 m² | 91 m² | +26 m² +40% | 2023 |
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| 117, Hampden Road703 m away | 65 m² | 91 m² | +26 m² +40% | 2022 |
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| 511, High Road790 m away | 154 m² | 180 m² | +26 m² +17% | 2019 |
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| 155, Courtenay Avenue330 m away | 98 m² | 124 m² | +26 m² +27% | 2014 |
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| 18, Monro Gardens929 m away | 106 m² | 131 m² | +25 m² +24% | 2025 |
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| 38, Belsize Road326 m away | 80 m² | 105 m² | +25 m² +31% | 2011 |
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| 65, Boxtree Lane349 m away | 87 m² | 111 m² | +24 m² +28% | 2024 |
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| 35, Cedar Drive882 m away | 135 m² | 159 m² | +24 m² +18% | 2024 |
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| 10, Boxtree Road708 m away | 94 m² | 118 m² | +24 m² +26% | 2023 |
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| 96, Long Elmes578 m away | 58 m² | 82 m² | +24 m² +41% | 2020 |
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| Mcnorma, Headstone Lane610 m away | 79 m² | 103 m² | +24 m² +30% | 2019 |
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| 133, Long Elmes495 m away | 77 m² | 101 m² | +24 m² +31% | 2018 |
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| 57, Weighton Road658 m away | 115 m² | 139 m² | +24 m² +21% | 2015 |
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| 27, Belsize Road360 m away | 62 m² | 85 m² | +23 m² +37% | 2025 |
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| 54, Clewer Crescent723 m away | 73 m² | 96 m² | +23 m² +32% | 2025 |
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| 50, Fontwell Close982 m away | 78 m² | 101 m² | +23 m² +29% | 2025 |
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| 34, Sefton Avenue837 m away | 63 m² | 86 m² | +23 m² +37% | 2021 |
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| 29, Kynaston Close714 m away | 132 m² | 154 m² | +22 m² +17% | 2026 |
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| 73, Belsize Road360 m away | 68 m² | 90 m² | +22 m² +32% | 2023 |
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| 33, Furham Feild896 m away | 146 m² | 168 m² | +22 m² +15% | 2018 |
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| 57, Tillotson Road304 m away | 81 m² | 103 m² | +22 m² +27% | 2017 |
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| 131, Carmelite Road976 m away | 78 m² | 100 m² | +22 m² +28% | 2017 |
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| 9, Derby Avenue727 m away | 79 m² | 101 m² | +22 m² +28% | 2016 |
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| 4, Clewer Crescent723 m away | 74 m² | 95 m² | +21 m² +28% | 2024 |
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| 9, Silver Close422 m away | 110 m² | 131 m² | +21 m² +19% | 2021 |
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| 19, Windsor Road688 m away | 79 m² | 100 m² | +21 m² +27% | 2019 |
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| 8, Derby Avenue727 m away | 39 m² | 60 m² | +21 m² +54% | 2019 |
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| 35, Whittlesea Road413 m away | 74 m² | 94 m² | +20 m² +27% | 2026 |
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| 17, Rowlands Avenue676 m away | 124 m² | 144 m² | +20 m² +16% | 2025 |
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| 24, Hutton Lane266 m away | 83 m² | 103 m² | +20 m² +24% | 2024 |
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| 2, Colmer Place449 m away | 71 m² | 91 m² | +20 m² +28% | 2019 |
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| 47, Weighton Road658 m away | 92 m² | 112 m² | +20 m² +22% | 2016 |
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| 4, Carrington Square339 m away | 68 m² | 88 m² | +20 m² +29% | 2015 |
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| 86, Belsize Road326 m away | 92 m² | 111 m² | +19 m² +21% | 2026 |
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| 75, Windsor Road688 m away | 64 m² | 83 m² | +19 m² +30% | 2017 |
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| 85, Courtenay Avenue330 m away | 74 m² | 93 m² | +19 m² +26% | 2014 |
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| 291, Headstone Lane545 m away | 75 m² | 94 m² | +19 m² +25% | 2014 |
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| 124, Carmelite Road742 m away | 82 m² | 101 m² | +19 m² +23% | 2013 |
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| 50, Kynaston Wood600 m away | 83 m² | 101 m² | +18 m² +22% | 2026 |
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| 106, Hampden Road685 m away | 92 m² | 110 m² | +18 m² +20% | 2026 |
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| 331, High Road924 m away | 89 m² | 107 m² | +18 m² +20% | 2024 |
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| 55a, College Road977 m away | 39 m² | 57 m² | +18 m² +46% | 2022 |
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| 8, Mullion Close615 m away | 54 m² | 72 m² | +18 m² +33% | 2021 |
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| 1, West Drive Gardens561 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
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| 18, Belsize Road326 m away | 59 m² | 77 m² | +18 m² +31% | 2018 |
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| 65, Courtenay Avenue330 m away | 85 m² | 103 m² | +18 m² +21% | 2014 |
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| 58, Long Elmes766 m away | 72 m² | 89 m² | +17 m² +24% | 2024 |
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| 54, Boxtree Road524 m away | 97 m² | 114 m² | +17 m² +18% | 2023 |
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| 215, Carmelite Road528 m away | 65 m² | 82 m² | +17 m² +26% | 2021 |
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| 7, Mead Close766 m away | 44 m² | 61 m² | +17 m² +39% | 2021 |
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| 136, Weald Lane868 m away | 61 m² | 78 m² | +17 m² +28% | 2021 |
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| 5, Blackwell Close506 m away | 95 m² | 112 m² | +17 m² +18% | 2017 |
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| 135, Courtenay Avenue330 m away | 65 m² | 82 m² | +17 m² +26% | 2014 |
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| 136, Uxbridge Road759 m away | 85 m² | 102 m² | +17 m² +20% | 2009 |
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| 6, Courtenay Gardens841 m away | 54 m² | 70 m² | +16 m² +30% | 2024 |
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| 7, Courtenay Gardens841 m away | 68 m² | 84 m² | +16 m² +24% | 2024 |
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| 73, Boxtree Lane349 m away | 62 m² | 78 m² | +16 m² +26% | 2021 |
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| 34, Windsor Road698 m away | 76 m² | 92 m² | +16 m² +21% | 2020 |
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| 51, Belsize Road360 m away | 67 m² | 83 m² | +16 m² +24% | 2019 |
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| Maison Alfort, 251, High Road993 m away | 73 m² | 89 m² | +16 m² +22% | 2018 |
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| Flat 13, Azure, 463, High Road779 m away | 43 m² | 59 m² | +16 m² +37% | 2015 |
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| 39, Hitherwell Drive444 m away | 93 m² | 108 m² | +15 m² +16% | 2025 |
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| 10, Chicheley Gardens108 m away | 83 m² | 98 m² | +15 m² +18% | 2024 |
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| 23, Stafford Road259 m away | 86 m² | 101 m² | +15 m² +17% | 2024 |
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| 5, Farmstead Road993 m away | 80 m² | 95 m² | +15 m² +19% | 2022 |
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| Flat 12, Orchid Court, 286, High Road978 m away | 72 m² | 87 m² | +15 m² +21% | 2020 |
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| 387, High Road845 m away | 96 m² | 111 m² | +15 m² +16% | 2019 |
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| 42, Tillotson Road333 m away | 77 m² | 92 m² | +15 m² +19% | 2018 |
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| 102, Hampden Road685 m away | 62 m² | 77 m² | +15 m² +24% | 2017 |
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