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 BR5 2AP
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 |
|---|---|---|---|---|
| 261, Chislehurst Road853 m away | 156 m² | 383 m² | +227 m² +146% | 2024 |
| 9, Sherborne Road660 m away | 138 m² | 323 m² | +185 m² +134% | 2025 |
| 95, Chislehurst Road680 m away | 116 m² | 283 m² | +167 m² +144% | 2024 |
| 184, Chislehurst Road595 m away | 171 m² | 298 m² | +127 m² +74% | 2024 |
| 25, Lynton Avenue829 m away | 83 m² | 189 m² | +106 m² +128% | 2024 |
| 24, Grosvenor Road610 m away | 118 m² | 222 m² | +104 m² +88% | 2025 |
| 107, Chislehurst Road680 m away | 150 m² | 239 m² | +89 m² +59% | 2023 |
| 17, The Chenies857 m away | 146 m² | 235 m² | +89 m² +61% | 2020 |
| 13, Kedleston Drive330 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.
| 89 m² |
| 178 m² |
| +89 m² +100% |
| 2018 |
| 48, Petts Wood Road1000 m away | 90 m² | 174 m² | +84 m² +93% | 2019 |
|---|
| 150, Poverest Road537 m away | 115 m² | 198 m² | +83 m² +72% | 2025 |
|---|
| 4, Devonshire Road804 m away | 72 m² | 155 m² | +83 m² +115% | 2013 |
|---|
| 59, Friar Road235 m away | 108 m² | 189 m² | +81 m² +75% | 2022 |
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| 20a, Elmcroft Road722 m away | 54 m² | 134 m² | +80 m² +148% | 2019 |
|---|
| 44, St Johns Road967 m away | 173 m² | 252 m² | +79 m² +46% | 2024 |
|---|
| 11, Moorfield Road783 m away | 93 m² | 172 m² | +79 m² +85% | 2017 |
|---|
| 177, Oakdene Road0 m away | 84 m² | 158 m² | +74 m² +88% | 2020 |
|---|
| 175, Oakdene Road0 m away | 82 m² | 156 m² | +74 m² +90% | 2015 |
|---|
| 9, Lynton Avenue829 m away | 97 m² | 170 m² | +73 m² +75% | 2014 |
|---|
| 84, Sutherland Avenue448 m away | 127 m² | 199 m² | +72 m² +57% | 2016 |
|---|
| 18, Lynmouth Rise914 m away | 82 m² | 153 m² | +71 m² +87% | 2015 |
|---|
| 263, Chislehurst Road853 m away | 200 m² | 270 m² | +70 m² +35% | 2024 |
|---|
| 12, Broxbourne Road849 m away | 146 m² | 215 m² | +69 m² +47% | 2026 |
|---|
| 9, Perry Hall Close557 m away | 132 m² | 201 m² | +69 m² +52% | 2020 |
|---|
| 75, Petts Wood Road988 m away | 82 m² | 150 m² | +68 m² +83% | 2022 |
|---|
| 70, Friar Road235 m away | 85 m² | 153 m² | +68 m² +80% | 2020 |
|---|
| 38, Petts Wood Road820 m away | 121 m² | 186 m² | +65 m² +54% | 2022 |
|---|
| 26, Grosvenor Road610 m away | 123 m² | 187 m² | +64 m² +52% | 2024 |
|---|
| 94, Friar Road253 m away | 71 m² | 134 m² | +63 m² +89% | 2023 |
|---|
| 2, Mountview Road517 m away | 81 m² | 143 m² | +62 m² +77% | 2026 |
|---|
| 102, Perry Hall Road605 m away | 116 m² | 177 m² | +61 m² +53% | 2022 |
|---|
| 97, Kevington Drive987 m away | 120 m² | 180 m² | +60 m² +50% | 2015 |
|---|
| 9, Forest Way197 m away | 95 m² | 154 m² | +59 m² +62% | 2016 |
|---|
| 28, Scads Hill Close594 m away | 98 m² | 156 m² | +58 m² +59% | 2024 |
|---|
| 86, Lower Road833 m away | 78 m² | 135 m² | +57 m² +73% | 2021 |
|---|
| 6, Sutherland Avenue501 m away | 147 m² | 203 m² | +56 m² +38% | 2020 |
|---|
| 62, Friar Road235 m away | 70 m² | 125 m² | +55 m² +79% | 2013 |
|---|
| 37, Hood Avenue707 m away | 80 m² | 134 m² | +54 m² +68% | 2024 |
|---|
| 37, Petts Wood Road791 m away | 125 m² | 179 m² | +54 m² +43% | 2014 |
|---|
| 3, Mountview Road561 m away | 78 m² | 131 m² | +53 m² +68% | 2022 |
|---|
| 65, Petts Wood Road988 m away | 106 m² | 158 m² | +52 m² +49% | 2025 |
|---|
| 77, Kevington Drive987 m away | 105 m² | 157 m² | +52 m² +50% | 2015 |
|---|
| 13, Friar Road449 m away | 121 m² | 172 m² | +51 m² +42% | 2016 |
|---|
| 7, Englefield Close576 m away | 86 m² | 136 m² | +50 m² +58% | 2026 |
|---|
| 71, Kevington Drive987 m away | 120 m² | 169 m² | +49 m² +41% | 2015 |
|---|
| 192, Chislehurst Road595 m away | 137 m² | 185 m² | +48 m² +35% | 2023 |
|---|
| 18, Ladywood Avenue732 m away | 97 m² | 145 m² | +48 m² +49% | 2023 |
|---|
| 180, Amherst Drive808 m away | 74 m² | 122 m² | +48 m² +65% | 2023 |
|---|
| 2, Kedleston Drive379 m away | 123 m² | 170 m² | +47 m² +38% | 2023 |
|---|
| 159, Poverest Road307 m away | 81 m² | 128 m² | +47 m² +58% | 2017 |
|---|
| 43, Greencourt Road877 m away | 102 m² | 149 m² | +47 m² +46% | 2012 |
|---|
| 2, St Johns Road967 m away | 118 m² | 164 m² | +46 m² +39% | 2014 |
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| 52, Greencourt Road954 m away | 137 m² | 182 m² | +45 m² +33% | 2024 |
|---|
| 160, Poverest Road537 m away | 96 m² | 141 m² | +45 m² +47% | 2022 |
|---|
| 1, Petts Wood Road791 m away | 101 m² | 146 m² | +45 m² +45% | 2021 |
|---|
| 28, Sherborne Road641 m away | 91 m² | 135 m² | +44 m² +48% | 2026 |
|---|
| 206, Crofton Lane986 m away | 109 m² | 153 m² | +44 m² +40% | 2025 |
|---|
| 44, Cray Valley Road736 m away | 94 m² | 137 m² | +43 m² +46% | 2025 |
|---|
| 19, Greenwood Close907 m away | 98 m² | 141 m² | +43 m² +44% | 2025 |
|---|
| 22, Willett Way910 m away | 95 m² | 138 m² | +43 m² +45% | 2019 |
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| 39, Footbury Hill Road520 m away | 147 m² | 190 m² | +43 m² +29% | 2012 |
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| 16, Goodmead Road618 m away | 78 m² | 120 m² | +42 m² +54% | 2025 |
|---|
| 97, Poverest Road426 m away | 157 m² | 198 m² | +41 m² +26% | 2019 |
|---|
| 8, Robinhood Green136 m away | 87 m² | 128 m² | +41 m² +47% | 2015 |
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| 24, Ascot Road777 m away | 85 m² | 125 m² | +40 m² +47% | 2026 |
|---|
| 19, Chislehurst Road786 m away | 70 m² | 110 m² | +40 m² +57% | 2026 |
|---|
| 6, The Greenway665 m away | 56 m² | 96 m² | +40 m² +71% | 2025 |
|---|
| 14, Sherborne Road641 m away | 172 m² | 212 m² | +40 m² +23% | 2016 |
|---|
| 77, Cowden Road716 m away | 75 m² | 115 m² | +40 m² +53% | 2015 |
|---|
| 7, Melbourne Close896 m away | 131 m² | 170 m² | +39 m² +30% | 2022 |
|---|
| 5, Littlejohn Road410 m away | 77 m² | 115 m² | +38 m² +49% | 2025 |
|---|
| 95, Poverest Road426 m away | 72 m² | 110 m² | +38 m² +53% | 2023 |
|---|
| 105, Amherst Drive748 m away | 66 m² | 104 m² | +38 m² +58% | 2014 |
|---|
| 22, Sandy Lane591 m away | 83 m² | 120 m² | +37 m² +45% | 2024 |
|---|
| 70, Princes Avenue958 m away | 113 m² | 150 m² | +37 m² +33% | 2023 |
|---|
| 106, Amherst Drive770 m away | 89 m² | 126 m² | +37 m² +42% | 2016 |
|---|
| 168, Chislehurst Road717 m away | 210 m² | 247 m² | +37 m² +18% | 2012 |
|---|
| 12, Friar Road449 m away | 77 m² | 113 m² | +36 m² +47% | 2026 |
|---|
| 189, Chislehurst Road642 m away | 199 m² | 235 m² | +36 m² +18% | 2020 |
|---|
| 34, Kevington Drive931 m away | 100 m² | 136 m² | +36 m² +36% | 2020 |
|---|
| 15, Perry Hall Close557 m away | 59 m² | 95 m² | +36 m² +61% | 2018 |
|---|
| 26, Willett Way910 m away | 93 m² | 128 m² | +35 m² +38% | 2026 |
|---|
| 75, Kevington Drive987 m away | 112 m² | 147 m² | +35 m² +31% | 2026 |
|---|
| 67, Moorfield Road783 m away | 35 m² | 70 m² | +35 m² +100% | 2019 |
|---|
| 10, Sefton Road772 m away | 187 m² | 222 m² | +35 m² +19% | 2017 |
|---|
| 75, Chislehurst Road671 m away | 51 m² | 86 m² | +35 m² +69% | 2014 |
|---|
| 46, Hayfield Road439 m away | 59 m² | 93 m² | +34 m² +58% | 2022 |
|---|
| 212, Crofton Lane986 m away | 145 m² | 179 m² | +34 m² +23% | 2021 |
|---|
| 10, Kedleston Drive379 m away | 86 m² | 120 m² | +34 m² +40% | 2015 |
|---|
| 9a, Sandy Lane591 m away | 95 m² | 129 m² | +34 m² +36% | 2015 |
|---|
| 13, Keswick Road915 m away | 123 m² | 156 m² | +33 m² +27% | 2020 |
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| 93, Perry Hall Road466 m away | 120 m² | 153 m² | +33 m² +28% | 2016 |
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| 3, Somerset Road810 m away | 55 m² | 88 m² | +33 m² +60% | 2009 |
|---|
| 71, Friar Road235 m away | 107 m² | 138 m² | +31 m² +29% | 2016 |
|---|
| 82, Lower Road833 m away | 77 m² | 107 m² | +30 m² +39% | 2022 |
|---|
| 191, Oakdene Road228 m away | 82 m² | 112 m² | +30 m² +37% | 2021 |
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| 183, Oakdene Road0 m away | 84 m² | 114 m² | +30 m² +36% | 2020 |
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| 21, Sandy Lane591 m away | 78 m² | 108 m² | +30 m² +38% | 2019 |
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| 9, Cowden Road716 m away | 85 m² | 115 m² | +30 m² +35% | 2015 |
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| 17, Forest Way197 m away | 89 m² | 118 m² | +29 m² +33% | 2021 |
|---|
| 17, Wimborne Avenue995 m away | 107 m² | 136 m² | +29 m² +27% | 2020 |
|---|
| 36, The Covert849 m away | 134 m² | 162 m² | +28 m² +21% | 2024 |
|---|
| 27, Chislehurst Road786 m away | 97 m² | 125 m² | +28 m² +29% | 2022 |
|---|
| 72, Kedleston Drive353 m away | 85 m² | 113 m² | +28 m² +33% | 2021 |
|---|
| 6, Kedleston Drive379 m away | 94 m² | 122 m² | +28 m² +30% | 2020 |
|---|
| 11, St Francis Close830 m away | 123 m² | 151 m² | +28 m² +23% | 2017 |
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| 255, Chislehurst Road853 m away | 148 m² | 176 m² | +28 m² +19% | 2017 |
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| 11, Novar Close792 m away | 101 m² | 129 m² | +28 m² +28% | 2015 |
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| 6, Priorsford Avenue720 m away | 94 m² | 121 m² | +27 m² +29% | 2026 |
|---|
| 4, Scotsdale Close970 m away | 152 m² | 179 m² | +27 m² +18% | 2024 |
|---|
| 33, Amherst Drive817 m away | 80 m² | 107 m² | +27 m² +34% | 2023 |
|---|
| 19, Mountview Road561 m away | 73 m² | 100 m² | +27 m² +37% | 2022 |
|---|
| 7, Brockwell Close477 m away | 77 m² | 104 m² | +27 m² +35% | 2019 |
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| 38, May Avenue756 m away | 57 m² | 84 m² | +27 m² +47% | 2010 |
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| 28, Robinhood Green136 m away | 85 m² | 111 m² | +26 m² +31% | 2025 |
|---|
| 234, Amherst Drive866 m away | 72 m² | 98 m² | +26 m² +36% | 2019 |
|---|
| 165, Poverest Road307 m away | 77 m² | 102 m² | +25 m² +32% | 2026 |
|---|
| 3, Scads Hill Close594 m away | 94 m² | 119 m² | +25 m² +27% | 2021 |
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| 139, Amherst Drive748 m away | 88 m² | 113 m² | +25 m² +28% | 2020 |
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| 6, Petts Wood Road820 m away | 160 m² | 185 m² | +25 m² +16% | 2018 |
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| 54, Friar Road235 m away | 72 m² | 96 m² | +24 m² +33% | 2017 |
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| 20, Sanderstead Road792 m away | 56 m² | 80 m² | +24 m² +43% | 2015 |
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| 37, Marion Crescent526 m away | 78 m² | 101 m² | +23 m² +29% | 2023 |
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| 16, Oakdene Road397 m away | 89 m² | 112 m² | +23 m² +26% | 2022 |
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| 39, Elmcroft Road745 m away | 87 m² | 110 m² | +23 m² +26% | 2018 |
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| 25, Mayfield Avenue983 m away | 124 m² | 147 m² | +23 m² +19% | 2014 |
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| 25, Sandy Lane591 m away | 68 m² | 90 m² | +22 m² +32% | 2026 |
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| 3, Englefield Crescent596 m away | 69 m² | 91 m² | +22 m² +32% | 2026 |
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| 156, Poverest Road537 m away | 97 m² | 119 m² | +22 m² +23% | 2024 |
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| Flat 17, Park View, High Street888 m away | 69 m² | 91 m² | +22 m² +32% | 2023 |
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| 12, Brookmead Close641 m away | 63 m² | 85 m² | +22 m² +35% | 2022 |
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| 8, Brookmead Way581 m away | 56 m² | 78 m² | +22 m² +39% | 2017 |
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| 29, Moorfield Road783 m away | 125 m² | 147 m² | +22 m² +18% | 2015 |
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| Flat 5, 2a, White Hart Road881 m away | 58 m² | 79 m² | +21 m² +36% | 2026 |
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| 83, Cowden Road716 m away | 85 m² | 106 m² | +21 m² +25% | 2015 |
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| 19, Willett Way942 m away | 96 m² | 117 m² | +21 m² +22% | 2015 |
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| 5, Coleridge Way488 m away | 59 m² | 80 m² | +21 m² +36% | 2014 |
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| 34, Lynton Avenue829 m away | 115 m² | 136 m² | +21 m² +18% | 2012 |
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| 1, Scads Hill Close594 m away | 95 m² | 116 m² | +21 m² +22% | 2011 |
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| 166, Poverest Road537 m away | 98 m² | 118 m² | +20 m² +20% | 2025 |
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| 155, Poverest Road307 m away | 88 m² | 108 m² | +20 m² +23% | 2023 |
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| 52, Brookmead Way581 m away | 74 m² | 94 m² | +20 m² +27% | 2022 |
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| 10, Elmcroft Road722 m away | 98 m² | 118 m² | +20 m² +20% | 2021 |
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| 54, Brookmead Way581 m away | 100 m² | 120 m² | +20 m² +20% | 2020 |
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| 14, Cross Road543 m away | 57 m² | 77 m² | +20 m² +35% | 2019 |
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| 2, May Avenue756 m away | 60 m² | 80 m² | +20 m² +33% | 2014 |
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| 222, Amherst Drive866 m away | 88 m² | 108 m² | +20 m² +23% | 2011 |
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| 9, Princes Avenue758 m away | 122 m² | 141 m² | +19 m² +16% | 2024 |
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| 13, New Road703 m away | 65 m² | 84 m² | +19 m² +29% | 2019 |
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| 63, Oakdene Road205 m away | 49 m² | 68 m² | +19 m² +39% | 2010 |
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| 161, Poverest Road307 m away | 96 m² | 114 m² | +18 m² +19% | 2025 |
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| 39, Marion Crescent526 m away | 61 m² | 79 m² | +18 m² +30% | 2025 |
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| 18, Amherst Close896 m away | 69 m² | 87 m² | +18 m² +26% | 2025 |
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| 57, Cray Avenue674 m away | 63 m² | 81 m² | +18 m² +29% | 2023 |
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| 75a, High Street869 m away | 61 m² | 79 m² | +18 m² +30% | 2023 |
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| 49, Wellington Road947 m away | 54 m² | 72 m² | +18 m² +33% | 2022 |
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| 107, Oakdene Road205 m away | 46 m² | 64 m² | +18 m² +39% | 2019 |
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| 1, Brockwell Close477 m away | 34 m² | 52 m² | +18 m² +53% | 2019 |
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| 24, Kingsway941 m away | 113 m² | 131 m² | +18 m² +16% | 2017 |
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| 30, Sherborne Road641 m away | 114 m² | 132 m² | +18 m² +16% | 2016 |
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| 123, Lockesley Drive257 m away | 82 m² | 99 m² | +17 m² +21% | 2026 |
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| 23, Robinhood Green213 m away | 45 m² | 62 m² | +17 m² +38% | 2024 |
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| 134, Ravensbury Road967 m away | 87 m² | 104 m² | +17 m² +20% | 2023 |
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| 9, Willow Close744 m away | 73 m² | 90 m² | +17 m² +23% | 2022 |
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| 16, Wendover Way478 m away | 60 m² | 77 m² | +17 m² +28% | 2021 |
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| 64, May Avenue756 m away | 47 m² | 63 m² | +16 m² +34% | 2024 |
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| 29, Englefield Crescent596 m away | 104 m² | 120 m² | +16 m² +15% | 2019 |
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| 1, Littlejohn Road410 m away | 61 m² | 77 m² | +16 m² +26% | 2014 |
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| 41, Aylesham Road738 m away | 84 m² | 100 m² | +16 m² +19% | 2014 |
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| 20, Friar Road347 m away | 62 m² | 77 m² | +15 m² +24% | 2024 |
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| 91, Glendower Crescent390 m away | 74 m² | 89 m² | +15 m² +20% | 2024 |
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| 21, Kedleston Drive330 m away | 77 m² | 92 m² | +15 m² +19% | 2022 |
|---|
| 67, East Drive534 m away | 90 m² | 105 m² | +15 m² +17% | 2021 |
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| 16, Perry Hall Close557 m away | 85 m² | 100 m² | +15 m² +18% | 2021 |
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| 6, Trentham Drive671 m away | 94 m² | 109 m² | +15 m² +16% | 2021 |
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| 16, Aylesham Road738 m away | 64 m² | 79 m² | +15 m² +23% | 2019 |
|---|
| 92, Brookmead Way592 m away | 79 m² | 94 m² | +15 m² +19% | 2018 |
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| 25, The Covert900 m away | 83 m² | 98 m² | +15 m² +18% | 2016 |
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| 6, Clovelly Way519 m away | 80 m² | 95 m² | +15 m² +19% | 2014 |
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| 56, Cray Valley Road736 m away | 75 m² | 90 m² | +15 m² +20% | 2014 |
|---|
| 14, Lockesley Drive214 m away | 85 m² | 100 m² | +15 m² +18% | 2013 |
|---|