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 SE9 4DP
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 |
|---|---|---|---|---|
| 212, Court Road641 m away | 151 m² | 350 m² | +199 m² +132% | 2026 |
| 69, Grove Park Road585 m away | 231 m² | 415 m² | +184 m² +80% | 2016 |
| Pindi Lodge, Mottingham Lane838 m away | 118 m² | 263 m² | +145 m² +123% | 2025 |
| Badgers Mount, Mottingham Lane802 m away | 167 m² | 300 m² | +133 m² +80% | 2012 |
| 209, Court Road681 m away | 138 m² | 244 m² | +106 m² +77% | 2015 |
| 112, Beaconsfield Road250 m away | 105 m² | 206 m² | +101 m² +96% | 2021 |
| 19, Leysdown Road582 m away | 95 m² | 193 m² | +98 m² +103% | 2021 |
| 615, Sidcup Road974 m away | 90 m² | 175 m² | +85 m² +94% | 2017 |
| 66, Grove Park Road733 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.
| 83 m² |
| 167 m² |
| +84 m² +101% |
| 2024 |
| 12, Crossmead882 m away | 98 m² | 181 m² | +83 m² +85% | 2022 |
|---|
| 56, Beaconsfield Road0 m away | 101 m² | 183 m² | +82 m² +81% | 2024 |
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| 35, Hartsmead Road711 m away | 141 m² | 221 m² | +80 m² +57% | 2019 |
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| 509, Sidcup Road777 m away | 65 m² | 141 m² | +76 m² +117% | 2022 |
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| 20, Lulworth Road167 m away | 83 m² | 159 m² | +76 m² +92% | 2019 |
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| 29, Lavidge Road363 m away | 109 m² | 184 m² | +75 m² +69% | 2024 |
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| 11, Lulworth Road167 m away | 89 m² | 161 m² | +72 m² +81% | 2022 |
|---|
| 48, Kingsley Wood Drive829 m away | 99 m² | 170 m² | +71 m² +72% | 2024 |
|---|
| 233, Beaconsfield Road851 m away | 65 m² | 135 m² | +70 m² +108% | 2020 |
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| 32, Henry Cooper Way804 m away | 48 m² | 118 m² | +70 m² +146% | 2012 |
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| 54, Widecombe Road405 m away | 68 m² | 137 m² | +69 m² +101% | 2024 |
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| 95, Dunkery Road564 m away | 65 m² | 130 m² | +65 m² +100% | 2022 |
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| 178, Beaconsfield Road616 m away | 64 m² | 129 m² | +65 m² +102% | 2019 |
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| 137, Mottingham Road247 m away | 109 m² | 172 m² | +63 m² +58% | 2022 |
|---|
| 1a, Dunkery Road784 m away | 88 m² | 151 m² | +63 m² +72% | 2021 |
|---|
| 305, Mottingham Road782 m away | 93 m² | 155 m² | +62 m² +67% | 2025 |
|---|
| 23, Chapel Farm Road656 m away | 88 m² | 148 m² | +60 m² +68% | 2023 |
|---|
| 45, Chapel Farm Road529 m away | 112 m² | 168 m² | +56 m² +50% | 2025 |
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| 11, Porcupine Close346 m away | 91 m² | 145 m² | +54 m² +59% | 2023 |
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| 218a, Court Farm Road726 m away | 189 m² | 243 m² | +54 m² +29% | 2014 |
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| 83, Framlingham Crescent694 m away | 71 m² | 124 m² | +53 m² +75% | 2026 |
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| 58, Littlemede751 m away | 92 m² | 145 m² | +53 m² +58% | 2014 |
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| 203, Court Farm Road726 m away | 78 m² | 130 m² | +52 m² +67% | 2022 |
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| 645, Sidcup Road974 m away | 137 m² | 189 m² | +52 m² +38% | 2020 |
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| 27, Castlecombe Road882 m away | 72 m² | 123 m² | +51 m² +71% | 2025 |
|---|
| 83, Chapel Farm Road529 m away | 133 m² | 184 m² | +51 m² +38% | 2016 |
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| 52, Grove Park Road733 m away | 122 m² | 171 m² | +49 m² +40% | 2012 |
|---|
| 33, Highcombe Close633 m away | 93 m² | 141 m² | +48 m² +52% | 2021 |
|---|
| 558, Sidcup Road757 m away | 100 m² | 147 m² | +47 m² +47% | 2026 |
|---|
| Fairy Hall Cottage, 12, Court Farm Road250 m away | 90 m² | 137 m² | +47 m² +52% | 2017 |
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| 140, Dunkery Road410 m away | 73 m² | 119 m² | +46 m² +63% | 2018 |
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| 22, Bowmead514 m away | 123 m² | 168 m² | +45 m² +37% | 2023 |
|---|
| 221, Court Road681 m away | 165 m² | 208 m² | +43 m² +26% | 2021 |
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| 266, Dunkery Road744 m away | 62 m² | 105 m² | +43 m² +69% | 2016 |
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| 67a, Mottingham Road400 m away | 137 m² | 179 m² | +42 m² +31% | 2025 |
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| 74, Grove Park Road733 m away | 173 m² | 215 m² | +42 m² +24% | 2019 |
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| 155, Mottingham Road247 m away | 98 m² | 139 m² | +41 m² +42% | 2025 |
|---|
| 15, Mirror Path861 m away | 35 m² | 76 m² | +41 m² +117% | 2013 |
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| 236, Court Road460 m away | 152 m² | 192 m² | +40 m² +26% | 2022 |
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| 4, Court Farm Road386 m away | 218 m² | 258 m² | +40 m² +18% | 2019 |
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| 20, Beaconsfield Road0 m away | 93 m² | 133 m² | +40 m² +43% | 2015 |
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| 1, Elmhurst Road51 m away | 91 m² | 130 m² | +39 m² +43% | 2025 |
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| 42, Riddons Road967 m away | 91 m² | 130 m² | +39 m² +43% | 2019 |
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| 17, Hartsmead Road711 m away | 108 m² | 146 m² | +38 m² +35% | 2025 |
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| 56, Steyning Grove890 m away | 93 m² | 131 m² | +38 m² +41% | 2022 |
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| 226, Court Road641 m away | 112 m² | 149 m² | +37 m² +33% | 2024 |
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| 60, Dunkery Road806 m away | 124 m² | 161 m² | +37 m² +30% | 2013 |
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| 2, Leysdown Road627 m away | 143 m² | 179 m² | +36 m² +25% | 2025 |
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| 163, Framlingham Crescent922 m away | 105 m² | 141 m² | +36 m² +34% | 2024 |
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| 5, Clarence Road174 m away | 71 m² | 106 m² | +35 m² +49% | 2025 |
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| 156, Castleton Road683 m away | 72 m² | 107 m² | +35 m² +49% | 2024 |
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| 63, Leysdown Road374 m away | 102 m² | 137 m² | +35 m² +34% | 2021 |
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| 283, Mottingham Road782 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
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| 48a, Grove Park Road437 m away | 98 m² | 133 m² | +35 m² +36% | 2017 |
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| 22, Mirror Path861 m away | 109 m² | 144 m² | +35 m² +32% | 2015 |
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| 85, Castlecombe Road952 m away | 69 m² | 103 m² | +34 m² +49% | 2023 |
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| 140, William Barefoot Drive985 m away | 91 m² | 125 m² | +34 m² +37% | 2023 |
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| Longmead, Mottingham Lane838 m away | 123 m² | 157 m² | +34 m² +28% | 2022 |
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| 2, College View571 m away | 121 m² | 155 m² | +34 m² +28% | 2021 |
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| 9, Charlesfield810 m away | 101 m² | 134 m² | +33 m² +33% | 2026 |
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| 269, Marvels Lane878 m away | 76 m² | 109 m² | +33 m² +43% | 2018 |
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| 271, Mottingham Road782 m away | 97 m² | 129 m² | +32 m² +33% | 2026 |
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| 39, Elmhurst Road51 m away | 115 m² | 147 m² | +32 m² +28% | 2025 |
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| 55, Leysdown Road374 m away | 120 m² | 152 m² | +32 m² +27% | 2017 |
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| 24, St Keverne Road643 m away | 68 m² | 100 m² | +32 m² +47% | 2016 |
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| 245, Beaconsfield Road851 m away | 67 m² | 99 m² | +32 m² +48% | 2015 |
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| 270, Court Road460 m away | 77 m² | 108 m² | +31 m² +40% | 2021 |
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| 18, The Underwood739 m away | 92 m² | 123 m² | +31 m² +34% | 2019 |
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| 75a, Mottingham Road400 m away | 78 m² | 109 m² | +31 m² +40% | 2016 |
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| 44, Grace Close594 m away | 79 m² | 110 m² | +31 m² +39% | 2014 |
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| 18, Clayhill Crescent805 m away | 79 m² | 109 m² | +30 m² +38% | 2025 |
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| 244, Marvels Lane903 m away | 99 m² | 129 m² | +30 m² +30% | 2020 |
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| 11, Clarence Road174 m away | 81 m² | 111 m² | +30 m² +37% | 2018 |
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| 2, Wicks Close849 m away | 82 m² | 112 m² | +30 m² +37% | 2015 |
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| 16, Cedar Mount883 m away | 35 m² | 64 m² | +29 m² +83% | 2022 |
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| Flat 2, 33, Grove Park Road460 m away | 82 m² | 111 m² | +29 m² +35% | 2020 |
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| 38, Wynford Way665 m away | 85 m² | 113 m² | +28 m² +33% | 2025 |
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| 455, Sidcup Road778 m away | 100 m² | 128 m² | +28 m² +28% | 2025 |
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| 3, Nunnington Close301 m away | 92 m² | 120 m² | +28 m² +30% | 2022 |
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| 124, Mottingham Road203 m away | 168 m² | 196 m² | +28 m² +17% | 2021 |
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| 6, Layzell Walk643 m away | 110 m² | 138 m² | +28 m² +25% | 2020 |
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| 47, Woodcroft672 m away | 101 m² | 129 m² | +28 m² +28% | 2014 |
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| 72, St Keverne Road991 m away | 80 m² | 108 m² | +28 m² +35% | 2014 |
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| 1, Offenham Road855 m away | 73 m² | 100 m² | +27 m² +37% | 2026 |
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| 36, Dunkery Road806 m away | 58 m² | 85 m² | +27 m² +47% | 2025 |
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| 31, Clayhill Crescent834 m away | 75 m² | 102 m² | +27 m² +36% | 2025 |
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| 113, Framlingham Crescent884 m away | 69 m² | 96 m² | +27 m² +39% | 2024 |
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| 55, Grove Park Road585 m away | 121 m² | 148 m² | +27 m² +22% | 2018 |
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| 35, Chapel Farm Road656 m away | 106 m² | 133 m² | +27 m² +25% | 2015 |
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| 193, Mottingham Road338 m away | 66 m² | 92 m² | +26 m² +39% | 2026 |
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| 287, Dunkery Road692 m away | 61 m² | 87 m² | +26 m² +43% | 2022 |
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| 5, Portland Crescent239 m away | 76 m² | 102 m² | +26 m² +34% | 2021 |
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| 4, Ravenscroft Crescent570 m away | 55 m² | 81 m² | +26 m² +47% | 2021 |
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| 311, Dunkery Road692 m away | 65 m² | 91 m² | +26 m² +40% | 2014 |
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| 219, Court Road681 m away | 135 m² | 161 m² | +26 m² +19% | 2011 |
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| 26, Southold Rise940 m away | 90 m² | 115 m² | +25 m² +28% | 2022 |
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| 130, Ravensworth Road878 m away | 66 m² | 91 m² | +25 m² +38% | 2020 |
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| 41, Chilham Road884 m away | 67 m² | 92 m² | +25 m² +37% | 2017 |
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| 29, Crossmead930 m away | 76 m² | 101 m² | +25 m² +33% | 2014 |
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| 62a, Kimmeridge Road736 m away | 98 m² | 123 m² | +25 m² +26% | 2010 |
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| 36, Dittisham Road809 m away | 35 m² | 60 m² | +25 m² +71% | 2009 |
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| 128, Castlecombe Road998 m away | 66 m² | 90 m² | +24 m² +36% | 2026 |
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| 294, Marvels Lane947 m away | 90 m² | 113 m² | +23 m² +26% | 2025 |
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| 51b, West Park612 m away | 61 m² | 84 m² | +23 m² +38% | 2024 |
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| 17, Clarence Road174 m away | 89 m² | 112 m² | +23 m² +26% | 2019 |
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| 26, Grace Close594 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 43, Charminster Road903 m away | 38 m² | 61 m² | +23 m² +61% | 2019 |
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| 35, Albert Road171 m away | 81 m² | 104 m² | +23 m² +28% | 2014 |
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| 415, Sidcup Road873 m away | 89 m² | 111 m² | +22 m² +25% | 2026 |
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| 12, Lambscroft Avenue822 m away | 74 m² | 96 m² | +22 m² +30% | 2014 |
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| 206, Mottingham Road533 m away | 76 m² | 97 m² | +21 m² +28% | 2021 |
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| 12, Kingsley Wood Drive708 m away | 91 m² | 112 m² | +21 m² +23% | 2016 |
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| 100, Chapel Farm Road513 m away | 113 m² | 134 m² | +21 m² +19% | 2012 |
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| 27, Luxfield Road655 m away | 101 m² | 121 m² | +20 m² +20% | 2024 |
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| 16, Portland Crescent239 m away | 58 m² | 78 m² | +20 m² +34% | 2022 |
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| 241, Dunkery Road430 m away | 76 m² | 96 m² | +20 m² +26% | 2022 |
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| 8, Woodcroft657 m away | 101 m² | 121 m² | +20 m² +20% | 2021 |
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| 9, Portland Crescent239 m away | 75 m² | 95 m² | +20 m² +27% | 2020 |
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| 2, Scotts Terrace329 m away | 95 m² | 115 m² | +20 m² +21% | 2019 |
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| Flat 35, Kingsfield House, Lambscroft Avenue561 m away | 53 m² | 73 m² | +20 m² +38% | 2014 |
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| 58, Chapel Farm Road513 m away | 105 m² | 124 m² | +19 m² +18% | 2026 |
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| 18, Wynford Way665 m away | 87 m² | 106 m² | +19 m² +22% | 2026 |
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| 54, Wynford Way665 m away | 85 m² | 104 m² | +19 m² +22% | 2026 |
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| 14, Prestbury Square849 m away | 65 m² | 84 m² | +19 m² +29% | 2025 |
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| 497, Sidcup Road778 m away | 116 m² | 135 m² | +19 m² +16% | 2022 |
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| 46, Beaconsfield Road0 m away | 104 m² | 123 m² | +19 m² +18% | 2019 |
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| 24, Woodcroft657 m away | 87 m² | 106 m² | +19 m² +22% | 2015 |
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| 82, Prestbury Square795 m away | 62 m² | 80 m² | +18 m² +29% | 2025 |
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| 202, Marvels Lane996 m away | 84 m² | 102 m² | +18 m² +21% | 2020 |
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| 141, Charminster Road766 m away | 76 m² | 94 m² | +18 m² +24% | 2016 |
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| 292, Marvels Lane947 m away | 84 m² | 101 m² | +17 m² +20% | 2026 |
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| 21, Steyning Grove932 m away | 68 m² | 85 m² | +17 m² +25% | 2021 |
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| Flat 45, Pickwick Court, 60, West Park723 m away | 49 m² | 66 m² | +17 m² +35% | 2017 |
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| 8, Riddons Road970 m away | 94 m² | 111 m² | +17 m² +18% | 2010 |
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| 22, Woodcroft657 m away | 93 m² | 109 m² | +16 m² +17% | 2025 |
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| 26, Belvoir Close224 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
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| 152, Beaconsfield Road481 m away | 60 m² | 76 m² | +16 m² +27% | 2021 |
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| 27, Bowmead514 m away | 72 m² | 88 m² | +16 m² +22% | 2021 |
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| 305, Marvels Lane878 m away | 76 m² | 92 m² | +16 m² +21% | 2021 |
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| 130, Castlecombe Road998 m away | 66 m² | 82 m² | +16 m² +24% | 2019 |
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| 55, Castleton Road815 m away | 68 m² | 84 m² | +16 m² +24% | 2014 |
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| 77, St Keverne Road991 m away | 68 m² | 84 m² | +16 m² +24% | 2014 |
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| 27, Devonshire Road360 m away | 73 m² | 88 m² | +15 m² +21% | 2025 |
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| 128, Charminster Road836 m away | 77 m² | 92 m² | +15 m² +19% | 2023 |
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| 55, Wynford Way839 m away | 52 m² | 67 m² | +15 m² +29% | 2023 |
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| 141, Castleton Road739 m away | 65 m² | 80 m² | +15 m² +23% | 2014 |
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