Finding extended homes…
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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 WD19 4TP
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 |
|---|---|---|---|---|
| 35, Woodwaye444 m away | 170 m² | 409 m² | +239 m² +141% | 2021 |
| 8, Elm Avenue787 m away | 100 m² | 236 m² | +136 m² +136% | 2013 |
| Domus, Highfield Road948 m away | 103 m² | 235 m² | +132 m² +128% | 2018 |
| A home on Oxhey Lane914 m away | 87 m² | 206 m² | +119 m² +137% | 2026 |
| 101, Brookdene Avenue720 m away | 177 m² | 296 m² | +119 m² +67% | 2013 |
| 158, Pinner Road501 m away | 149 m² | 258 m² | +109 m² +73% | 2025 |
| 74, Brookdene Avenue765 m away | 103 m² | 211 m² | +108 m² +105% | 2018 |
| 3, Woodwaye444 m away | 100 m² | 200 m² | +100 m² +100% | 2026 |
| 2a, Sherwoods Road583 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.
| 128 m² |
| 223 m² |
| +95 m² +74% |
| 2018 |
| 169, Pinner Road448 m away | 89 m² | 184 m² | +95 m² +107% | 2016 |
|---|
| 24, Cedar Road143 m away | 167 m² | 256 m² | +89 m² +53% | 2020 |
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| 8, Park View House, Eastbury Road273 m away | 60 m² | 147 m² | +87 m² +145% | 2013 |
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| 54, Talbot Avenue740 m away | 99 m² | 182 m² | +83 m² +84% | 2026 |
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| 7, Sherwoods Road628 m away | 245 m² | 327 m² | +82 m² +33% | 2024 |
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| 104, Brookdene Avenue765 m away | 105 m² | 185 m² | +80 m² +76% | 2026 |
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| 109, Brookdene Avenue720 m away | 90 m² | 170 m² | +80 m² +89% | 2024 |
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| 51, Brookdene Avenue720 m away | 158 m² | 237 m² | +79 m² +50% | 2023 |
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| 115, Brookdene Avenue720 m away | 154 m² | 226 m² | +72 m² +47% | 2025 |
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| 3, Sherwoods Road628 m away | 97 m² | 167 m² | +70 m² +72% | 2024 |
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| 4, Hollybush Close316 m away | 132 m² | 202 m² | +70 m² +53% | 2016 |
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| 25, Brookdene Avenue720 m away | 119 m² | 185 m² | +66 m² +55% | 2024 |
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| 189, Pinner Road448 m away | 143 m² | 207 m² | +64 m² +45% | 2018 |
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| 40, Woodwaye461 m away | 223 m² | 286 m² | +63 m² +28% | 2026 |
|---|
| 49, Oxhey Road149 m away | 139 m² | 201 m² | +62 m² +45% | 2017 |
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| 2a, Elm Avenue787 m away | 117 m² | 178 m² | +61 m² +52% | 2026 |
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| 18, Oxhey Road157 m away | 145 m² | 204 m² | +59 m² +41% | 2025 |
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| 23, Chalk Hill558 m away | 130 m² | 189 m² | +59 m² +45% | 2025 |
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| 108, Pinner Road416 m away | 61 m² | 120 m² | +59 m² +97% | 2021 |
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| 76, Upper Paddock Road635 m away | 132 m² | 190 m² | +58 m² +44% | 2023 |
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| 102, Brookdene Avenue765 m away | 170 m² | 227 m² | +57 m² +34% | 2015 |
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| 18, Sheridan Road312 m away | 140 m² | 197 m² | +57 m² +41% | 2013 |
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| 40, Eastbury Road408 m away | 123 m² | 179 m² | +56 m² +46% | 2026 |
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| 183, Pinner Road448 m away | 122 m² | 178 m² | +56 m² +46% | 2023 |
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| 36, Muriel Avenue741 m away | 73 m² | 128 m² | +55 m² +75% | 2016 |
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| 29, Horsehaven Mews727 m away | 81 m² | 134 m² | +53 m² +65% | 2019 |
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| 3, Rainbow Court239 m away | 116 m² | 168 m² | +52 m² +45% | 2022 |
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| 17, Capel Road510 m away | 39 m² | 90 m² | +51 m² +131% | 2025 |
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| 2, York Road751 m away | 112 m² | 160 m² | +48 m² +43% | 2021 |
|---|
| 59, Brookdene Avenue720 m away | 86 m² | 133 m² | +47 m² +55% | 2024 |
|---|
| 20, Oxhey Avenue344 m away | 65 m² | 112 m² | +47 m² +72% | 2021 |
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| 36, Highfield Road948 m away | 114 m² | 160 m² | +46 m² +40% | 2025 |
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| 43, Wright Close954 m away | 129 m² | 175 m² | +46 m² +36% | 2025 |
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| 14, King Edward Road745 m away | 79 m² | 124 m² | +45 m² +57% | 2023 |
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| 57, Eastbury Road540 m away | 230 m² | 274 m² | +44 m² +19% | 2024 |
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| 1, The Coppice474 m away | 126 m² | 169 m² | +43 m² +34% | 2025 |
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| 36, Cedar Road143 m away | 129 m² | 172 m² | +43 m² +33% | 2024 |
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| 6, Oxhey Avenue344 m away | 36 m² | 79 m² | +43 m² +119% | 2021 |
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| 118, Oxhey Avenue326 m away | 144 m² | 186 m² | +42 m² +29% | 2025 |
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| 27, Waterman Close841 m away | 105 m² | 147 m² | +42 m² +40% | 2015 |
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| 3, Villiers Road603 m away | 74 m² | 115 m² | +41 m² +55% | 2022 |
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| 56, Haydon Road829 m away | 79 m² | 120 m² | +41 m² +52% | 2020 |
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| 46, Brookdene Avenue765 m away | 79 m² | 120 m² | +41 m² +52% | 2017 |
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| 47, Brookdene Avenue720 m away | 103 m² | 143 m² | +40 m² +39% | 2023 |
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| 86, Brookdene Avenue765 m away | 181 m² | 221 m² | +40 m² +22% | 2011 |
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| 23, Brookdene Avenue720 m away | 109 m² | 148 m² | +39 m² +36% | 2026 |
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| 16, Watford Heath527 m away | 109 m² | 148 m² | +39 m² +36% | 2020 |
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| 13, Bucks Avenue575 m away | 195 m² | 233 m² | +38 m² +19% | 2025 |
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| 79, Oxhey Avenue366 m away | 107 m² | 143 m² | +36 m² +34% | 2023 |
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| 8, Vale Road874 m away | 82 m² | 116 m² | +34 m² +41% | 2025 |
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| 7, Watford Heath527 m away | 170 m² | 204 m² | +34 m² +20% | 2020 |
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| 179, Pinner Road448 m away | 194 m² | 228 m² | +34 m² +18% | 2019 |
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| 71, Oxhey Avenue366 m away | 100 m² | 134 m² | +34 m² +34% | 2013 |
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| 2, Caroline Place471 m away | 50 m² | 84 m² | +34 m² +68% | 2011 |
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| 3, Green Lane350 m away | 191 m² | 224 m² | +33 m² +17% | 2025 |
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| 4, Meadowbank604 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
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| 68, Talbot Avenue740 m away | 115 m² | 148 m² | +33 m² +29% | 2025 |
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| 126, Oaklands Avenue881 m away | 91 m² | 124 m² | +33 m² +36% | 2024 |
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| 9, Firbank Drive549 m away | 111 m² | 144 m² | +33 m² +30% | 2019 |
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| Flat 5, Field Gate House, 25, Watford Field Road973 m away | 37 m² | 70 m² | +33 m² +89% | 2010 |
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| 18, Cardiff Road948 m away | 37 m² | 69 m² | +32 m² +86% | 2024 |
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| 96, Oxhey Avenue326 m away | 156 m² | 188 m² | +32 m² +21% | 2015 |
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| 28, King Edward Road745 m away | 105 m² | 136 m² | +31 m² +30% | 2023 |
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| 7, Sheridan Road312 m away | 142 m² | 173 m² | +31 m² +22% | 2016 |
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| 20, Upper Paddock Road635 m away | 77 m² | 108 m² | +31 m² +40% | 2012 |
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| 14, Thorpe Crescent657 m away | 71 m² | 101 m² | +30 m² +42% | 2025 |
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| 90, Raglan Gardens968 m away | 87 m² | 117 m² | +30 m² +34% | 2023 |
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| 10, Muriel Avenue741 m away | 73 m² | 103 m² | +30 m² +41% | 2020 |
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| 52, Brookdene Avenue765 m away | 109 m² | 139 m² | +30 m² +28% | 2020 |
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| 43, Cedar Road105 m away | 100 m² | 129 m² | +29 m² +29% | 2025 |
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| 38, Eastbury Road408 m away | 159 m² | 188 m² | +29 m² +18% | 2022 |
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| 12, Field Road715 m away | 93 m² | 122 m² | +29 m² +31% | 2020 |
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| 38, Haydon Road829 m away | 74 m² | 102 m² | +28 m² +38% | 2022 |
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| 26, Cardiff Road948 m away | 62 m² | 90 m² | +28 m² +45% | 2017 |
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| 69, Cardiff Road903 m away | 74 m² | 101 m² | +27 m² +36% | 2024 |
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| 80, Neal Street976 m away | 75 m² | 102 m² | +27 m² +36% | 2022 |
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| 15, King Edward Road790 m away | 110 m² | 137 m² | +27 m² +25% | 2019 |
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| 56, Neal Street976 m away | 68 m² | 95 m² | +27 m² +40% | 2018 |
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| 100, Oxhey Avenue326 m away | 143 m² | 169 m² | +26 m² +18% | 2026 |
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| 50, Haydon Road829 m away | 80 m² | 106 m² | +26 m² +33% | 2023 |
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| 33, Pinner Road404 m away | 60 m² | 86 m² | +26 m² +43% | 2011 |
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| 47, Cardiff Road903 m away | 68 m² | 93 m² | +25 m² +37% | 2024 |
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| 25, Cannon Road742 m away | 65 m² | 90 m² | +25 m² +38% | 2022 |
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| 4, Tucker Street908 m away | 70 m² | 95 m² | +25 m² +36% | 2021 |
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| 29, York Road751 m away | 69 m² | 94 m² | +25 m² +36% | 2019 |
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| 36, Raglan Gardens968 m away | 114 m² | 138 m² | +24 m² +21% | 2026 |
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| 37, King Edward Road790 m away | 68 m² | 92 m² | +24 m² +35% | 2025 |
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| 58, Neal Street976 m away | 69 m² | 93 m² | +24 m² +35% | 2021 |
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| 16, Oxhey Avenue344 m away | 57 m² | 81 m² | +24 m² +42% | 2015 |
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| 24, Haydon Road829 m away | 90 m² | 113 m² | +23 m² +26% | 2022 |
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| 6, Bridge Place677 m away | 81 m² | 104 m² | +23 m² +28% | 2021 |
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| Flat 8, Brunel Court, 22, Aldenham Road545 m away | 49 m² | 72 m² | +23 m² +47% | 2012 |
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| 57, Brookdene Avenue720 m away | 98 m² | 120 m² | +22 m² +22% | 2021 |
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| 65, Crosfield Court 244-248, Lower High Street899 m away | 43 m² | 65 m² | +22 m² +51% | 2010 |
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| Flat 5, Brunel Court, 22, Aldenham Road545 m away | 49 m² | 70 m² | +21 m² +43% | 2022 |
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| 19, Warneford Place697 m away | 93 m² | 114 m² | +21 m² +23% | 2016 |
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| 7, Brookmill Close801 m away | 92 m² | 112 m² | +20 m² +22% | 2026 |
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| 1, Rainbow Court239 m away | 123 m² | 143 m² | +20 m² +16% | 2020 |
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| 63, Grover Road286 m away | 61 m² | 81 m² | +20 m² +33% | 2020 |
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| 12a, Raglan Gardens918 m away | 89 m² | 109 m² | +20 m² +22% | 2018 |
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| 35, Watford Heath527 m away | 64 m² | 83 m² | +19 m² +30% | 2025 |
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| 15, Cardiff Road903 m away | 73 m² | 92 m² | +19 m² +26% | 2025 |
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| 38, Tucker Street908 m away | 79 m² | 98 m² | +19 m² +24% | 2023 |
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| 29, Vale Road853 m away | 66 m² | 84 m² | +18 m² +27% | 2026 |
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| Flat 10, The Gables, Ransom Close521 m away | 47 m² | 65 m² | +18 m² +38% | 2022 |
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| Flat 27, The Gables, Ransom Close521 m away | 47 m² | 65 m² | +18 m² +38% | 2022 |
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| 19, Pinner Road404 m away | 72 m² | 90 m² | +18 m² +25% | 2020 |
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| 111, Wiggenhall Road594 m away | 83 m² | 101 m² | +18 m² +22% | 2020 |
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| 66, Neal Street976 m away | 66 m² | 83 m² | +17 m² +26% | 2026 |
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| 56, Eastbury Road408 m away | 87 m² | 104 m² | +17 m² +20% | 2024 |
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| 16, Wilcot Avenue659 m away | 108 m² | 125 m² | +17 m² +16% | 2022 |
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| 44, Muriel Avenue741 m away | 74 m² | 91 m² | +17 m² +23% | 2021 |
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| Flat 26, Attenborough Court, Owen Square517 m away | 46 m² | 62 m² | +16 m² +35% | 2022 |
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| 11, Wellsfield856 m away | 63 m² | 79 m² | +16 m² +25% | 2021 |
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| 62, Villiers Road538 m away | 62 m² | 78 m² | +16 m² +26% | 2020 |
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| 53, Upper Paddock Road602 m away | 87 m² | 103 m² | +16 m² +18% | 2020 |
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| 28a, Chalk Hill767 m away | 48 m² | 64 m² | +16 m² +33% | 2016 |
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| Flat 7, 64, Chalk Hill767 m away | 47 m² | 63 m² | +16 m² +34% | 2013 |
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| 2, Parkside248 m away | 48 m² | 63 m² | +15 m² +31% | 2024 |
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