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 4LA
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 |
|---|---|---|---|---|
| 45, Elmstead Lane946 m away | 183 m² | 391 m² | +208 m² +114% | 2024 |
| 69, Grove Park Road970 m away | 231 m² | 415 m² | +184 m² +80% | 2016 |
| 61, Elmstead Lane724 m away | 239 m² | 370 m² | +131 m² +55% | 2026 |
| 6, Melbury Close988 m away | 138 m² | 259 m² | +121 m² +88% | 2015 |
| 78, Elmstead Lane578 m away | 97 m² | 209 m² | +112 m² +115% | 2018 |
| 79, Walden Avenue795 m away | 80 m² | 191 m² | +111 m² +139% | 2014 |
| 112, Beaconsfield Road633 m away | 105 m² | 206 m² | +101 m² +96% | 2021 |
| 11, Elmstead Glade815 m away | 112 m² | 211 m² | +99 m² +88% | 2024 |
| 10, Downs Avenue653 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.
| 98 m² |
| 194 m² |
| +96 m² +98% |
| 2026 |
| 195, White Horse Hill928 m away | 113 m² | 206 m² | +93 m² +82% | 2011 |
|---|
| 1, Grange Drive901 m away | 111 m² | 194 m² | +83 m² +75% | 2024 |
|---|
| 88, Walden Road909 m away | 102 m² | 185 m² | +83 m² +81% | 2022 |
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| 56, Beaconsfield Road874 m away | 101 m² | 183 m² | +82 m² +81% | 2024 |
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| 2, Hallam Close771 m away | 57 m² | 135 m² | +78 m² +137% | 2018 |
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| 26, Waratah Drive966 m away | 90 m² | 167 m² | +77 m² +86% | 2021 |
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| 1, Downs Avenue653 m away | 113 m² | 190 m² | +77 m² +68% | 2016 |
|---|
| 11, Downs Avenue653 m away | 105 m² | 182 m² | +77 m² +73% | 2014 |
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| 11, Old Manor Way491 m away | 158 m² | 233 m² | +75 m² +47% | 2024 |
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| 25, Downs Avenue653 m away | 107 m² | 177 m² | +70 m² +65% | 2024 |
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| 233, Beaconsfield Road208 m away | 65 m² | 135 m² | +70 m² +108% | 2020 |
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| 32, Henry Cooper Way710 m away | 48 m² | 118 m² | +70 m² +146% | 2012 |
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| 54, Widecombe Road622 m away | 68 m² | 137 m² | +69 m² +101% | 2024 |
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| 10, Castlecombe Road136 m away | 71 m² | 139 m² | +68 m² +96% | 2024 |
|---|
| 42, Downs Avenue697 m away | 60 m² | 127 m² | +67 m² +112% | 2020 |
|---|
| 95, Dunkery Road496 m away | 65 m² | 130 m² | +65 m² +100% | 2022 |
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| 178, Beaconsfield Road341 m away | 64 m² | 129 m² | +65 m² +102% | 2019 |
|---|
| 1a, Dunkery Road592 m away | 88 m² | 151 m² | +63 m² +72% | 2021 |
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| 305, Mottingham Road859 m away | 93 m² | 155 m² | +62 m² +67% | 2025 |
|---|
| 2, Stable Villas972 m away | 56 m² | 118 m² | +62 m² +111% | 2012 |
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| 46, Waratah Drive966 m away | 85 m² | 143 m² | +58 m² +68% | 2026 |
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| 1, Stable Villas972 m away | 57 m² | 115 m² | +58 m² +102% | 2018 |
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| 137, Mayeswood Road709 m away | 84 m² | 140 m² | +56 m² +67% | 2026 |
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| 24, Waratah Drive966 m away | 90 m² | 145 m² | +55 m² +61% | 2025 |
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| 192, Elmstead Lane679 m away | 106 m² | 161 m² | +55 m² +52% | 2023 |
|---|
| 191, White Horse Hill928 m away | 126 m² | 181 m² | +55 m² +44% | 2018 |
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| 28, Melbury Close988 m away | 118 m² | 173 m² | +55 m² +47% | 2018 |
|---|
| 218a, Court Farm Road153 m away | 189 m² | 243 m² | +54 m² +29% | 2014 |
|---|
| 83, Framlingham Crescent513 m away | 71 m² | 124 m² | +53 m² +75% | 2026 |
|---|
| 203, Court Farm Road153 m away | 78 m² | 130 m² | +52 m² +67% | 2022 |
|---|
| 27, Castlecombe Road45 m away | 72 m² | 123 m² | +51 m² +71% | 2025 |
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| 18, Cobland Road725 m away | 84 m² | 133 m² | +49 m² +58% | 2026 |
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| 156, Mayeswood Road754 m away | 84 m² | 133 m² | +49 m² +58% | 2024 |
|---|
| 71, Portland Road982 m away | 78 m² | 127 m² | +49 m² +63% | 2021 |
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| 140, Dunkery Road465 m away | 73 m² | 119 m² | +46 m² +63% | 2018 |
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| 10, Elmstead Lane946 m away | 120 m² | 166 m² | +46 m² +38% | 2014 |
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| 1, Leafy Oak Road956 m away | 55 m² | 100 m² | +45 m² +82% | 2026 |
|---|
| 90, Walden Road909 m away | 130 m² | 175 m² | +45 m² +35% | 2015 |
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| 50, Elmstead Lane724 m away | 158 m² | 202 m² | +44 m² +28% | 2022 |
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| 180, Elmstead Lane679 m away | 84 m² | 127 m² | +43 m² +51% | 2021 |
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| 86, Cranmore Road796 m away | 75 m² | 118 m² | +43 m² +57% | 2019 |
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| 266, Dunkery Road717 m away | 62 m² | 105 m² | +43 m² +69% | 2016 |
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| 7, Downs Avenue653 m away | 78 m² | 119 m² | +41 m² +53% | 2025 |
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| 15, Mirror Path901 m away | 35 m² | 76 m² | +41 m² +117% | 2013 |
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| 27, Mayeswood Road994 m away | 88 m² | 128 m² | +40 m² +45% | 2021 |
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| 20, Beaconsfield Road874 m away | 93 m² | 133 m² | +40 m² +43% | 2015 |
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| 19, Hallam Close771 m away | 95 m² | 134 m² | +39 m² +41% | 2025 |
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| 1, Elmhurst Road850 m away | 91 m² | 130 m² | +39 m² +43% | 2025 |
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| 42, Riddons Road917 m away | 91 m² | 130 m² | +39 m² +43% | 2019 |
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| 56, Steyning Grove548 m away | 93 m² | 131 m² | +38 m² +41% | 2022 |
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| 37, Cranmore Road850 m away | 97 m² | 135 m² | +38 m² +39% | 2022 |
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| 13, Robin Hill Drive697 m away | 200 m² | 237 m² | +37 m² +19% | 2026 |
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| Redhatch, 55, Elmstead Lane724 m away | 159 m² | 196 m² | +37 m² +23% | 2026 |
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| 40, Leamington Avenue993 m away | 117 m² | 154 m² | +37 m² +32% | 2025 |
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| 3, Lewis Mews950 m away | 88 m² | 125 m² | +37 m² +42% | 2024 |
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| 60, Dunkery Road560 m away | 124 m² | 161 m² | +37 m² +30% | 2013 |
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| 163, Framlingham Crescent317 m away | 105 m² | 141 m² | +36 m² +34% | 2024 |
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| 6, Holt Close829 m away | 85 m² | 120 m² | +35 m² +41% | 2025 |
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| 156, Castleton Road218 m away | 72 m² | 107 m² | +35 m² +49% | 2024 |
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| 125, Mayeswood Road709 m away | 85 m² | 120 m² | +35 m² +41% | 2021 |
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| 283, Mottingham Road859 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
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| 22, Mirror Path901 m away | 109 m² | 144 m² | +35 m² +32% | 2015 |
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| 85, Castlecombe Road152 m away | 69 m² | 103 m² | +34 m² +49% | 2023 |
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| 140, William Barefoot Drive968 m away | 91 m² | 125 m² | +34 m² +37% | 2023 |
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| 7, Wood Drive745 m away | 181 m² | 215 m² | +34 m² +19% | 2019 |
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| 109, Charminster Road235 m away | 35 m² | 69 m² | +34 m² +97% | 2017 |
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| 50, Walden Road909 m away | 146 m² | 180 m² | +34 m² +23% | 2016 |
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| 200, Mayeswood Road754 m away | 84 m² | 118 m² | +34 m² +40% | 2014 |
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| 88, Elmstead Lane578 m away | 101 m² | 135 m² | +34 m² +34% | 2011 |
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| 9, Charlesfield885 m away | 101 m² | 134 m² | +33 m² +33% | 2026 |
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| 8, Walden Avenue962 m away | 74 m² | 107 m² | +33 m² +45% | 2022 |
|---|
| 17, Hallam Close771 m away | 37 m² | 70 m² | +33 m² +89% | 2019 |
|---|
| 269, Marvels Lane731 m away | 76 m² | 109 m² | +33 m² +43% | 2018 |
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| 105, Riddons Road674 m away | 88 m² | 120 m² | +32 m² +36% | 2026 |
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| 45, Waratah Drive932 m away | 119 m² | 151 m² | +32 m² +27% | 2026 |
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| 39, Elmhurst Road850 m away | 115 m² | 147 m² | +32 m² +28% | 2025 |
|---|
| 15, Robin Hill Drive697 m away | 149 m² | 181 m² | +32 m² +21% | 2018 |
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| 24, St Keverne Road435 m away | 68 m² | 100 m² | +32 m² +47% | 2016 |
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| 245, Beaconsfield Road208 m away | 67 m² | 99 m² | +32 m² +48% | 2015 |
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| 5, Mayeswood Road994 m away | 92 m² | 123 m² | +31 m² +34% | 2024 |
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| 44, Grace Close604 m away | 79 m² | 110 m² | +31 m² +39% | 2014 |
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| 18, Clayhill Crescent477 m away | 79 m² | 109 m² | +30 m² +38% | 2025 |
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| 21, Claybridge Road769 m away | 85 m² | 115 m² | +30 m² +35% | 2021 |
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| 244, Marvels Lane909 m away | 99 m² | 129 m² | +30 m² +30% | 2020 |
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| 2, Wicks Close671 m away | 82 m² | 112 m² | +30 m² +37% | 2015 |
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| 66, Walden Road909 m away | 164 m² | 193 m² | +29 m² +18% | 2019 |
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| 143, William Barefoot Drive954 m away | 87 m² | 115 m² | +28 m² +32% | 2024 |
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| 2, Oakdene Avenue982 m away | 80 m² | 108 m² | +28 m² +35% | 2024 |
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| 3, Nunnington Close812 m away | 92 m² | 120 m² | +28 m² +30% | 2022 |
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| 2, Holt Close829 m away | 85 m² | 113 m² | +28 m² +33% | 2022 |
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| 23, Cattistock Road394 m away | 72 m² | 100 m² | +28 m² +39% | 2016 |
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| 72, St Keverne Road461 m away | 80 m² | 108 m² | +28 m² +35% | 2014 |
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| 1, Offenham Road706 m away | 73 m² | 100 m² | +27 m² +37% | 2026 |
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| 31, Clayhill Crescent531 m away | 75 m² | 102 m² | +27 m² +36% | 2025 |
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| 36, Dunkery Road560 m away | 58 m² | 85 m² | +27 m² +47% | 2025 |
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| 113, Framlingham Crescent439 m away | 69 m² | 96 m² | +27 m² +39% | 2024 |
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| 107, Portland Road804 m away | 90 m² | 117 m² | +27 m² +30% | 2023 |
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| 6, Cobland Road725 m away | 88 m² | 115 m² | +27 m² +31% | 2020 |
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| 55, Grove Park Road970 m away | 121 m² | 148 m² | +27 m² +22% | 2018 |
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| 193, Mottingham Road944 m away | 66 m² | 92 m² | +26 m² +39% | 2026 |
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| 287, Dunkery Road715 m away | 61 m² | 87 m² | +26 m² +43% | 2022 |
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| 4, Ravenscroft Crescent778 m away | 55 m² | 81 m² | +26 m² +47% | 2021 |
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| 311, Dunkery Road715 m away | 65 m² | 91 m² | +26 m² +40% | 2014 |
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| 48, Waratah Drive966 m away | 85 m² | 110 m² | +25 m² +29% | 2024 |
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| 26, Southold Rise983 m away | 90 m² | 115 m² | +25 m² +28% | 2022 |
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| 19, Waratah Drive932 m away | 119 m² | 144 m² | +25 m² +21% | 2021 |
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| 130, Ravensworth Road570 m away | 66 m² | 91 m² | +25 m² +38% | 2020 |
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| 41, Chilham Road103 m away | 67 m² | 92 m² | +25 m² +37% | 2017 |
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| 62a, Kimmeridge Road296 m away | 98 m² | 123 m² | +25 m² +26% | 2010 |
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| 36, Dittisham Road115 m away | 35 m² | 60 m² | +25 m² +71% | 2009 |
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| 128, Castlecombe Road378 m away | 66 m² | 90 m² | +24 m² +36% | 2026 |
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| 13, Waratah Drive932 m away | 148 m² | 172 m² | +24 m² +16% | 2024 |
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| 294, Marvels Lane701 m away | 90 m² | 113 m² | +23 m² +26% | 2025 |
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| 3, Fosters Close737 m away | 59 m² | 82 m² | +23 m² +39% | 2021 |
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| 43, Charminster Road397 m away | 38 m² | 61 m² | +23 m² +61% | 2019 |
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| 26, Grace Close604 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 35, Albert Road906 m away | 81 m² | 104 m² | +23 m² +28% | 2014 |
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| 10, Grange Drive901 m away | 115 m² | 137 m² | +22 m² +19% | 2015 |
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| 12, Lambscroft Avenue822 m away | 74 m² | 96 m² | +22 m² +30% | 2014 |
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| 8, Elmstead Avenue893 m away | 102 m² | 123 m² | +21 m² +21% | 2026 |
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| 13, Ravens Dene967 m away | 117 m² | 138 m² | +21 m² +18% | 2026 |
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| 206, Mottingham Road844 m away | 76 m² | 97 m² | +21 m² +28% | 2021 |
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| 12, Kingsley Wood Drive908 m away | 91 m² | 112 m² | +21 m² +23% | 2016 |
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| 34, Elmstead Avenue893 m away | 90 m² | 110 m² | +20 m² +22% | 2025 |
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| 91, Mayeswood Road854 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
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| 241, Dunkery Road527 m away | 76 m² | 96 m² | +20 m² +26% | 2022 |
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| Flat 35, Kingsfield House, Lambscroft Avenue741 m away | 53 m² | 73 m² | +20 m² +38% | 2014 |
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| 14, Prestbury Square774 m away | 65 m² | 84 m² | +19 m² +29% | 2025 |
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| 24, Fenton Close640 m away | 95 m² | 114 m² | +19 m² +20% | 2023 |
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| 183, White Horse Hill928 m away | 118 m² | 137 m² | +19 m² +16% | 2020 |
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| 46, Beaconsfield Road874 m away | 104 m² | 123 m² | +19 m² +18% | 2019 |
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| 174, Elmstead Lane679 m away | 83 m² | 102 m² | +19 m² +23% | 2018 |
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| 82, Prestbury Square602 m away | 62 m² | 80 m² | +18 m² +29% | 2025 |
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| 57, Roseveare Road813 m away | 88 m² | 106 m² | +18 m² +20% | 2024 |
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| 4, Fenton Close640 m away | 92 m² | 110 m² | +18 m² +20% | 2023 |
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| 19, Broadheath Drive700 m away | 103 m² | 121 m² | +18 m² +17% | 2022 |
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| 8, Holt Close829 m away | 85 m² | 103 m² | +18 m² +21% | 2021 |
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| 141, Charminster Road135 m away | 76 m² | 94 m² | +18 m² +24% | 2016 |
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| 292, Marvels Lane701 m away | 84 m² | 101 m² | +17 m² +20% | 2026 |
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| 1a, Leafy Oak Road956 m away | 67 m² | 84 m² | +17 m² +25% | 2026 |
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| 51, Portland Road982 m away | 78 m² | 95 m² | +17 m² +22% | 2023 |
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| 43, Downs Avenue697 m away | 61 m² | 78 m² | +17 m² +28% | 2022 |
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| 21, Steyning Grove538 m away | 68 m² | 85 m² | +17 m² +25% | 2021 |
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| 91, Riddons Road674 m away | 81 m² | 98 m² | +17 m² +21% | 2020 |
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| 152, Beaconsfield Road423 m away | 60 m² | 76 m² | +16 m² +27% | 2021 |
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| 305, Marvels Lane731 m away | 76 m² | 92 m² | +16 m² +21% | 2021 |
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| 26, Belvoir Close744 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
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| 130, Castlecombe Road378 m away | 66 m² | 82 m² | +16 m² +24% | 2019 |
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| 55, Castleton Road418 m away | 68 m² | 84 m² | +16 m² +24% | 2014 |
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| 77, St Keverne Road461 m away | 68 m² | 84 m² | +16 m² +24% | 2014 |
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| 78, Cranmore Road796 m away | 78 m² | 93 m² | +15 m² +19% | 2026 |
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| 128, Charminster Road208 m away | 77 m² | 92 m² | +15 m² +19% | 2023 |
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| 141, Castleton Road301 m away | 65 m² | 80 m² | +15 m² +23% | 2014 |
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