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 4DS
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 Road750 m away | 151 m² | 350 m² | +199 m² +132% | 2026 |
| 69, Grove Park Road646 m away | 231 m² | 415 m² | +184 m² +80% | 2016 |
| Pindi Lodge, Mottingham Lane984 m away | 118 m² | 263 m² | +145 m² +123% | 2025 |
| Badgers Mount, Mottingham Lane954 m away | 167 m² | 300 m² | +133 m² +80% | 2012 |
| 79, Walden Avenue990 m away | 80 m² | 191 m² | +111 m² +139% | 2014 |
| 209, Court Road782 m away | 138 m² | 244 m² | +106 m² +77% | 2015 |
| 112, Beaconsfield Road106 m away | 105 m² | 206 m² | +101 m² +96% | 2021 |
| 19, Leysdown Road662 m away | 95 m² | 193 m² | +98 m² +103% | 2021 |
| 66, Grove Park Road785 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, Crossmead963 m away | 98 m² | 181 m² | +83 m² +85% | 2022 |
|---|
| 56, Beaconsfield Road154 m away | 101 m² | 183 m² | +82 m² +81% | 2024 |
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| 35, Hartsmead Road778 m away | 141 m² | 221 m² | +80 m² +57% | 2019 |
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| 509, Sidcup Road888 m away | 65 m² | 141 m² | +76 m² +117% | 2022 |
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| 20, Lulworth Road318 m away | 83 m² | 159 m² | +76 m² +92% | 2019 |
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| 29, Lavidge Road390 m away | 109 m² | 184 m² | +75 m² +69% | 2024 |
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| 11, Lulworth Road318 m away | 89 m² | 161 m² | +72 m² +81% | 2022 |
|---|
| 48, Kingsley Wood Drive747 m away | 99 m² | 170 m² | +71 m² +72% | 2024 |
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| 233, Beaconsfield Road701 m away | 65 m² | 135 m² | +70 m² +108% | 2020 |
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| 32, Henry Cooper Way781 m away | 48 m² | 118 m² | +70 m² +146% | 2012 |
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| 54, Widecombe Road258 m away | 68 m² | 137 m² | +69 m² +101% | 2024 |
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| 10, Castlecombe Road863 m away | 71 m² | 139 m² | +68 m² +96% | 2024 |
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| 95, Dunkery Road500 m away | 65 m² | 130 m² | +65 m² +100% | 2022 |
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| 178, Beaconsfield Road464 m away | 64 m² | 129 m² | +65 m² +102% | 2019 |
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| 137, Mottingham Road298 m away | 109 m² | 172 m² | +63 m² +58% | 2022 |
|---|
| 1a, Dunkery Road738 m away | 88 m² | 151 m² | +63 m² +72% | 2021 |
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| 305, Mottingham Road664 m away | 93 m² | 155 m² | +62 m² +67% | 2025 |
|---|
| 23, Chapel Farm Road692 m away | 88 m² | 148 m² | +60 m² +68% | 2023 |
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| 45, Chapel Farm Road519 m away | 112 m² | 168 m² | +56 m² +50% | 2025 |
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| 192, Elmstead Lane899 m away | 106 m² | 161 m² | +55 m² +52% | 2023 |
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| 11, Porcupine Close458 m away | 91 m² | 145 m² | +54 m² +59% | 2023 |
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| 218a, Court Farm Road595 m away | 189 m² | 243 m² | +54 m² +29% | 2014 |
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| 83, Framlingham Crescent543 m away | 71 m² | 124 m² | +53 m² +75% | 2026 |
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| 58, Littlemede677 m away | 92 m² | 145 m² | +53 m² +58% | 2014 |
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| 203, Court Farm Road595 m away | 78 m² | 130 m² | +52 m² +67% | 2022 |
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| 27, Castlecombe Road751 m away | 72 m² | 123 m² | +51 m² +71% | 2025 |
|---|
| 83, Chapel Farm Road519 m away | 133 m² | 184 m² | +51 m² +38% | 2016 |
|---|
| 52, Grove Park Road785 m away | 122 m² | 171 m² | +49 m² +40% | 2012 |
|---|
| 33, Highcombe Close787 m away | 93 m² | 141 m² | +48 m² +52% | 2021 |
|---|
| 558, Sidcup Road835 m away | 100 m² | 147 m² | +47 m² +47% | 2026 |
|---|
| Fairy Hall Cottage, 12, Court Farm Road397 m away | 90 m² | 137 m² | +47 m² +52% | 2017 |
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| 140, Dunkery Road276 m away | 73 m² | 119 m² | +46 m² +63% | 2018 |
|---|
| 22, Bowmead565 m away | 123 m² | 168 m² | +45 m² +37% | 2023 |
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| 221, Court Road782 m away | 165 m² | 208 m² | +43 m² +26% | 2021 |
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| 180, Elmstead Lane899 m away | 84 m² | 127 m² | +43 m² +51% | 2021 |
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| 266, Dunkery Road609 m away | 62 m² | 105 m² | +43 m² +69% | 2016 |
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| 29, Leas Dale984 m away | 86 m² | 129 m² | +43 m² +50% | 2015 |
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| 67a, Mottingham Road547 m away | 137 m² | 179 m² | +42 m² +31% | 2025 |
|---|
| 74, Grove Park Road785 m away | 173 m² | 215 m² | +42 m² +24% | 2019 |
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| 155, Mottingham Road298 m away | 98 m² | 139 m² | +41 m² +42% | 2025 |
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| 15, Mirror Path871 m away | 35 m² | 76 m² | +41 m² +117% | 2013 |
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| 236, Court Road585 m away | 152 m² | 192 m² | +40 m² +26% | 2022 |
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| 4, Court Farm Road539 m away | 218 m² | 258 m² | +40 m² +18% | 2019 |
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| 20, Beaconsfield Road154 m away | 93 m² | 133 m² | +40 m² +43% | 2015 |
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| 1, Elmhurst Road160 m away | 91 m² | 130 m² | +39 m² +43% | 2025 |
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| 42, Riddons Road968 m away | 91 m² | 130 m² | +39 m² +43% | 2019 |
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| 17, Hartsmead Road778 m away | 108 m² | 146 m² | +38 m² +35% | 2025 |
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| 56, Steyning Grove739 m away | 93 m² | 131 m² | +38 m² +41% | 2022 |
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| 226, Court Road750 m away | 112 m² | 149 m² | +37 m² +33% | 2024 |
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| 60, Dunkery Road753 m away | 124 m² | 161 m² | +37 m² +30% | 2013 |
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| 2, Leysdown Road715 m away | 143 m² | 179 m² | +36 m² +25% | 2025 |
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| 163, Framlingham Crescent769 m away | 105 m² | 141 m² | +36 m² +34% | 2024 |
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| 5, Clarence Road304 m away | 71 m² | 106 m² | +35 m² +49% | 2025 |
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| 156, Castleton Road562 m away | 72 m² | 107 m² | +35 m² +49% | 2024 |
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| 63, Leysdown Road454 m away | 102 m² | 137 m² | +35 m² +34% | 2021 |
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| 283, Mottingham Road664 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
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| 48a, Grove Park Road555 m away | 98 m² | 133 m² | +35 m² +36% | 2017 |
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| 22, Mirror Path871 m away | 109 m² | 144 m² | +35 m² +32% | 2015 |
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| 85, Castlecombe Road807 m away | 69 m² | 103 m² | +34 m² +49% | 2023 |
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| 140, William Barefoot Drive865 m away | 91 m² | 125 m² | +34 m² +37% | 2023 |
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| Longmead, Mottingham Lane984 m away | 123 m² | 157 m² | +34 m² +28% | 2022 |
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| 2, College View725 m away | 121 m² | 155 m² | +34 m² +28% | 2021 |
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| 9, Charlesfield823 m away | 101 m² | 134 m² | +33 m² +33% | 2026 |
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| 269, Marvels Lane852 m away | 76 m² | 109 m² | +33 m² +43% | 2018 |
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| 271, Mottingham Road664 m away | 97 m² | 129 m² | +32 m² +33% | 2026 |
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| 105, Riddons Road959 m away | 88 m² | 120 m² | +32 m² +36% | 2026 |
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| 39, Elmhurst Road160 m away | 115 m² | 147 m² | +32 m² +28% | 2025 |
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| 55, Leysdown Road454 m away | 120 m² | 152 m² | +32 m² +27% | 2017 |
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| 24, St Keverne Road489 m away | 68 m² | 100 m² | +32 m² +47% | 2016 |
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| 245, Beaconsfield Road701 m away | 67 m² | 99 m² | +32 m² +48% | 2015 |
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| 270, Court Road585 m away | 77 m² | 108 m² | +31 m² +40% | 2021 |
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| 18, The Underwood715 m away | 92 m² | 123 m² | +31 m² +34% | 2019 |
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| 75a, Mottingham Road547 m away | 78 m² | 109 m² | +31 m² +40% | 2016 |
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| 44, Grace Close559 m away | 79 m² | 110 m² | +31 m² +39% | 2014 |
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| 18, Clayhill Crescent736 m away | 79 m² | 109 m² | +30 m² +38% | 2025 |
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| 244, Marvels Lane910 m away | 99 m² | 129 m² | +30 m² +30% | 2020 |
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| 11, Clarence Road304 m away | 81 m² | 111 m² | +30 m² +37% | 2018 |
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| 2, Wicks Close815 m away | 82 m² | 112 m² | +30 m² +37% | 2015 |
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| Flat 2, 33, Grove Park Road604 m away | 82 m² | 111 m² | +29 m² +35% | 2020 |
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| 38, Wynford Way615 m away | 85 m² | 113 m² | +28 m² +33% | 2025 |
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| 455, Sidcup Road912 m away | 100 m² | 128 m² | +28 m² +28% | 2025 |
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| 143, William Barefoot Drive893 m away | 87 m² | 115 m² | +28 m² +32% | 2024 |
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| 3, Nunnington Close213 m away | 92 m² | 120 m² | +28 m² +30% | 2022 |
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| 124, Mottingham Road291 m away | 168 m² | 196 m² | +28 m² +17% | 2021 |
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| 6, Layzell Walk797 m away | 110 m² | 138 m² | +28 m² +25% | 2020 |
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| 23, Cattistock Road884 m away | 72 m² | 100 m² | +28 m² +39% | 2016 |
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| 47, Woodcroft614 m away | 101 m² | 129 m² | +28 m² +28% | 2014 |
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| 72, St Keverne Road837 m away | 80 m² | 108 m² | +28 m² +35% | 2014 |
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| 1, Offenham Road715 m away | 73 m² | 100 m² | +27 m² +37% | 2026 |
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| 36, Dunkery Road753 m away | 58 m² | 85 m² | +27 m² +47% | 2025 |
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| 31, Clayhill Crescent774 m away | 75 m² | 102 m² | +27 m² +36% | 2025 |
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| 113, Framlingham Crescent730 m away | 69 m² | 96 m² | +27 m² +39% | 2024 |
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| 55, Grove Park Road646 m away | 121 m² | 148 m² | +27 m² +22% | 2018 |
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| 35, Chapel Farm Road692 m away | 106 m² | 133 m² | +27 m² +25% | 2015 |
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| 193, Mottingham Road307 m away | 66 m² | 92 m² | +26 m² +39% | 2026 |
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| 287, Dunkery Road559 m away | 61 m² | 87 m² | +26 m² +43% | 2022 |
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| 5, Portland Crescent393 m away | 76 m² | 102 m² | +26 m² +34% | 2021 |
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| 4, Ravenscroft Crescent453 m away | 55 m² | 81 m² | +26 m² +47% | 2021 |
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| 311, Dunkery Road559 m away | 65 m² | 91 m² | +26 m² +40% | 2014 |
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| 39, Biddenden Way982 m away | 89 m² | 115 m² | +26 m² +29% | 2014 |
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| 219, Court Road782 m away | 135 m² | 161 m² | +26 m² +19% | 2011 |
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| 26, Southold Rise827 m away | 90 m² | 115 m² | +25 m² +28% | 2022 |
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| 130, Ravensworth Road728 m away | 66 m² | 91 m² | +25 m² +38% | 2020 |
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| 41, Chilham Road740 m away | 67 m² | 92 m² | +25 m² +37% | 2017 |
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| 62a, Kimmeridge Road584 m away | 98 m² | 123 m² | +25 m² +26% | 2010 |
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| 36, Dittisham Road666 m away | 35 m² | 60 m² | +25 m² +71% | 2009 |
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| 128, Castlecombe Road845 m away | 66 m² | 90 m² | +24 m² +36% | 2026 |
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| 294, Marvels Lane909 m away | 90 m² | 113 m² | +23 m² +26% | 2025 |
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| 51b, West Park747 m away | 61 m² | 84 m² | +23 m² +38% | 2024 |
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| 17, Clarence Road304 m away | 89 m² | 112 m² | +23 m² +26% | 2019 |
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| 26, Grace Close559 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 43, Charminster Road816 m away | 38 m² | 61 m² | +23 m² +61% | 2019 |
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| 35, Albert Road185 m away | 81 m² | 104 m² | +23 m² +28% | 2014 |
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| 12, Lambscroft Avenue820 m away | 74 m² | 96 m² | +22 m² +30% | 2014 |
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| 206, Mottingham Road433 m away | 76 m² | 97 m² | +21 m² +28% | 2021 |
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| 12, Kingsley Wood Drive604 m away | 91 m² | 112 m² | +21 m² +23% | 2016 |
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| 100, Chapel Farm Road523 m away | 113 m² | 134 m² | +21 m² +19% | 2012 |
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| 27, Luxfield Road797 m away | 101 m² | 121 m² | +20 m² +20% | 2024 |
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| 241, Dunkery Road276 m away | 76 m² | 96 m² | +20 m² +26% | 2022 |
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| 16, Portland Crescent393 m away | 58 m² | 78 m² | +20 m² +34% | 2022 |
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| 8, Woodcroft585 m away | 101 m² | 121 m² | +20 m² +20% | 2021 |
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| 9, Portland Crescent393 m away | 75 m² | 95 m² | +20 m² +27% | 2020 |
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| 2, Scotts Terrace479 m away | 95 m² | 115 m² | +20 m² +21% | 2019 |
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| Flat 35, Kingsfield House, Lambscroft Avenue564 m away | 53 m² | 73 m² | +20 m² +38% | 2014 |
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| 58, Chapel Farm Road523 m away | 105 m² | 124 m² | +19 m² +18% | 2026 |
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| 18, Wynford Way615 m away | 87 m² | 106 m² | +19 m² +22% | 2026 |
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| 54, Wynford Way615 m away | 85 m² | 104 m² | +19 m² +22% | 2026 |
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| 14, Prestbury Square716 m away | 65 m² | 84 m² | +19 m² +29% | 2025 |
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| 497, Sidcup Road912 m away | 116 m² | 135 m² | +19 m² +16% | 2022 |
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| 46, Beaconsfield Road154 m away | 104 m² | 123 m² | +19 m² +18% | 2019 |
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| 174, Elmstead Lane899 m away | 83 m² | 102 m² | +19 m² +23% | 2018 |
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| 24, Woodcroft585 m away | 87 m² | 106 m² | +19 m² +22% | 2015 |
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| 82, Prestbury Square648 m away | 62 m² | 80 m² | +18 m² +29% | 2025 |
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| 57, Roseveare Road984 m away | 88 m² | 106 m² | +18 m² +20% | 2024 |
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| 141, Charminster Road641 m away | 76 m² | 94 m² | +18 m² +24% | 2016 |
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| 292, Marvels Lane909 m away | 84 m² | 101 m² | +17 m² +20% | 2026 |
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| 21, Steyning Grove780 m away | 68 m² | 85 m² | +17 m² +25% | 2021 |
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| 91, Riddons Road959 m away | 81 m² | 98 m² | +17 m² +21% | 2020 |
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| Flat 45, Pickwick Court, 60, West Park838 m away | 49 m² | 66 m² | +17 m² +35% | 2017 |
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| 8, Riddons Road991 m away | 94 m² | 111 m² | +17 m² +18% | 2010 |
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| 22, Woodcroft585 m away | 93 m² | 109 m² | +16 m² +17% | 2025 |
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| 26, Belvoir Close100 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
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| 152, Beaconsfield Road332 m away | 60 m² | 76 m² | +16 m² +27% | 2021 |
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| 27, Bowmead565 m away | 72 m² | 88 m² | +16 m² +22% | 2021 |
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| 305, Marvels Lane852 m away | 76 m² | 92 m² | +16 m² +21% | 2021 |
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| 130, Castlecombe Road845 m away | 66 m² | 82 m² | +16 m² +24% | 2019 |
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| 55, Castleton Road736 m away | 68 m² | 84 m² | +16 m² +24% | 2014 |
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| 77, St Keverne Road837 m away | 68 m² | 84 m² | +16 m² +24% | 2014 |
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| 27, Devonshire Road513 m away | 73 m² | 88 m² | +15 m² +21% | 2025 |
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| 128, Charminster Road724 m away | 77 m² | 92 m² | +15 m² +19% | 2023 |
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| 55, Wynford Way783 m away | 52 m² | 67 m² | +15 m² +29% | 2023 |
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| 141, Castleton Road640 m away | 65 m² | 80 m² | +15 m² +23% | 2014 |
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