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 BR1 2AD
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 |
|---|---|---|---|---|
| Timberley, Westbury Road815 m away | 226 m² | 563 m² | +337 m² +149% | 2025 |
| Inderhald, Woodlands Close315 m away | 302 m² | 586 m² | +284 m² +94% | 2023 |
| Huntington Place, Chislehurst Road433 m away | 214 m² | 493 m² | +279 m² +130% | 2024 |
| Caragh House, Chislehurst Road361 m away | 223 m² | 500 m² | +277 m² +124% | 2014 |
| 3, Southborough Road678 m away | 197 m² | 435 m² | +238 m² +121% | 2020 |
| Woodlands, Hawthorne Road685 m away | 219 m² | 453 m² | +234 m² +107% | 2013 |
| 5, Wells Road365 m away | 150 m² | 356 m² | +206 m² +137% | 2020 |
| Skogly, Woodlands Road637 m away | 142 m² | 345 m² | +203 m² +143% | 2021 |
| Denby, 14, Pines Road |
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.
| 134 m² |
| 327 m² |
| +193 m² +144% |
| 2020 |
| High Trees, Chislehurst Road433 m away | 285 m² | 476 m² | +191 m² +67% | 2023 |
|---|
| 2, Mavelstone Close802 m away | 295 m² | 482 m² | +187 m² +63% | 2017 |
|---|
| 5, Sycamore Place831 m away | 166 m² | 343 m² | +177 m² +107% | 2021 |
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| 6, Coates Hill Road845 m away | 229 m² | 385 m² | +156 m² +68% | 2023 |
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| 19, Woodlands Road0 m away | 158 m² | 312 m² | +154 m² +97% | 2023 |
|---|
| 8, Coates Hill Road845 m away | 203 m² | 357 m² | +154 m² +76% | 2022 |
|---|
| Birch Cottage, Merlewood Drive646 m away | 206 m² | 352 m² | +146 m² +71% | 2018 |
|---|
| Farmside, Hawthorne Road685 m away | 435 m² | 581 m² | +146 m² +34% | 2018 |
|---|
| 1, Mavelstone Close802 m away | 130 m² | 276 m² | +146 m² +112% | 2014 |
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| 5, Heath Park Drive456 m away | 176 m² | 319 m² | +143 m² +81% | 2022 |
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| 14, Barfield Road961 m away | 134 m² | 274 m² | +140 m² +104% | 2022 |
|---|
| Darrawella, Oldfield Road911 m away | 200 m² | 340 m² | +140 m² +70% | 2019 |
|---|
| 60, Hill Brow705 m away | 189 m² | 329 m² | +140 m² +74% | 2018 |
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| Inghays, Yester Road898 m away | 119 m² | 247 m² | +128 m² +108% | 2026 |
|---|
| 16, Hurstwood Drive816 m away | 184 m² | 312 m² | +128 m² +70% | 2015 |
|---|
| Liguanea, Woodlands Road637 m away | 147 m² | 270 m² | +123 m² +84% | 2018 |
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| 91, Clarence Road688 m away | 120 m² | 243 m² | +123 m² +102% | 2014 |
|---|
| Wootton, Bullers Wood Drive832 m away | 93 m² | 207 m² | +114 m² +123% | 2021 |
|---|
| St Ouen, Southlands Grove604 m away | 156 m² | 260 m² | +104 m² +67% | 2025 |
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| 45, Chislehurst Road433 m away | 109 m² | 212 m² | +103 m² +94% | 2024 |
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| Foxhollow, Merlewood Drive646 m away | 218 m² | 321 m² | +103 m² +47% | 2019 |
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| 41, Logs Hill720 m away | 149 m² | 241 m² | +92 m² +62% | 2015 |
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| 135, Lower Camden781 m away | 219 m² | 309 m² | +90 m² +41% | 2023 |
|---|
| Conifers, Westbury Road815 m away | 191 m² | 281 m² | +90 m² +47% | 2019 |
|---|
| Carpenters Lodge, St Nicolas Lane471 m away | 249 m² | 332 m² | +83 m² +33% | 2025 |
|---|
| High Timber, Chislehurst Road492 m away | 312 m² | 392 m² | +80 m² +26% | 2025 |
|---|
| 73, Lubbock Road959 m away | 301 m² | 380 m² | +79 m² +26% | 2026 |
|---|
| 74, Lubbock Road961 m away | 175 m² | 253 m² | +78 m² +45% | 2019 |
|---|
| 261, Southlands Road881 m away | 106 m² | 181 m² | +75 m² +71% | 2019 |
|---|
| Southlands, Westbury Road815 m away | 194 m² | 267 m² | +73 m² +38% | 2022 |
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| Three Pines, Sundridge Avenue928 m away | 222 m² | 293 m² | +71 m² +32% | 2020 |
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| 18, Bickley Crescent792 m away | 90 m² | 160 m² | +70 m² +78% | 2024 |
|---|
| 11, Coates Hill Road845 m away | 220 m² | 289 m² | +69 m² +31% | 2021 |
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| 36, Southborough Road555 m away | 78 m² | 142 m² | +64 m² +82% | 2015 |
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| 6, Lower Camden735 m away | 107 m² | 169 m² | +62 m² +58% | 2024 |
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| 4, Alpine Copse624 m away | 112 m² | 171 m² | +59 m² +53% | 2026 |
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| 6, Davema Close943 m away | 150 m² | 209 m² | +59 m² +39% | 2024 |
|---|
| 2, Porrington Close901 m away | 169 m² | 228 m² | +59 m² +35% | 2014 |
|---|
| Greenacres, Bickley Park Road281 m away | 292 m² | 350 m² | +58 m² +20% | 2022 |
|---|
| 22, Yester Road898 m away | 130 m² | 186 m² | +56 m² +43% | 2019 |
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| 30, Serviden Drive969 m away | 155 m² | 211 m² | +56 m² +36% | 2019 |
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| 17, Hartley Close511 m away | 135 m² | 190 m² | +55 m² +41% | 2021 |
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| 25, Logs Hill720 m away | 147 m² | 201 m² | +54 m² +37% | 2019 |
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| 1, Barfield Road920 m away | 99 m² | 152 m² | +53 m² +54% | 2025 |
|---|
| 31, Southborough Road678 m away | 174 m² | 226 m² | +52 m² +30% | 2020 |
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| 69, Lower Camden781 m away | 125 m² | 176 m² | +51 m² +41% | 2016 |
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| 2, Widmore Lodge Road733 m away | 93 m² | 143 m² | +50 m² +54% | 2025 |
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| 7, Chislehurst Road568 m away | 129 m² | 179 m² | +50 m² +39% | 2020 |
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| 207, Widmore Road793 m away | 135 m² | 182 m² | +47 m² +35% | 2022 |
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| 12, St Georges Road736 m away | 174 m² | 219 m² | +45 m² +26% | 2025 |
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| 19b, Denbridge Road438 m away | 157 m² | 201 m² | +44 m² +28% | 2026 |
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| 238a, Southlands Road899 m away | 127 m² | 171 m² | +44 m² +35% | 2025 |
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| 32, Hawthorne Road684 m away | 188 m² | 232 m² | +44 m² +23% | 2022 |
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| 5, Reynard Close608 m away | 112 m² | 156 m² | +44 m² +39% | 2020 |
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| 4, Serviden Drive969 m away | 139 m² | 183 m² | +44 m² +32% | 2018 |
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| 133, Lower Camden781 m away | 203 m² | 246 m² | +43 m² +21% | 2010 |
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| 9, Amesbury Road768 m away | 89 m² | 131 m² | +42 m² +47% | 2025 |
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| 17, The Spinneys366 m away | 183 m² | 225 m² | +42 m² +23% | 2022 |
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| 24, The Spinneys292 m away | 162 m² | 204 m² | +42 m² +26% | 2018 |
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| 15, Hurstwood Drive863 m away | 177 m² | 218 m² | +41 m² +23% | 2014 |
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| 65, Widmore Lodge Road768 m away | 87 m² | 127 m² | +40 m² +46% | 2026 |
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| The Cottage, Page Heath Villas860 m away | 60 m² | 100 m² | +40 m² +67% | 2022 |
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| 5, Widmore Lodge Road768 m away | 95 m² | 133 m² | +38 m² +40% | 2026 |
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| 1, Asprey Place365 m away | 232 m² | 270 m² | +38 m² +16% | 2022 |
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| 5, Westwood Close606 m away | 175 m² | 212 m² | +37 m² +21% | 2020 |
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| 10, Merrydown Way324 m away | 204 m² | 241 m² | +37 m² +18% | 2014 |
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| Willow Cottage, Yester Road898 m away | 189 m² | 225 m² | +36 m² +19% | 2026 |
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| Walsingham Lodge, Woodlands Road637 m away | 154 m² | 190 m² | +36 m² +23% | 2024 |
|---|
| 21, Southborough Road678 m away | 161 m² | 197 m² | +36 m² +22% | 2022 |
|---|
| 31, Southlands Grove686 m away | 107 m² | 143 m² | +36 m² +34% | 2016 |
|---|
| 5, Chelsea Court, Southlands Grove686 m away | 124 m² | 160 m² | +36 m² +29% | 2014 |
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| 20, Bird In Hand Lane568 m away | 213 m² | 248 m² | +35 m² +16% | 2019 |
|---|
| 256, Southlands Road899 m away | 101 m² | 134 m² | +33 m² +33% | 2017 |
|---|
| Flat 6, Lambourn House, 12, Holmbury Park920 m away | 71 m² | 103 m² | +32 m² +45% | 2023 |
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| 3, Inglewood Copse63 m away | 120 m² | 152 m² | +32 m² +27% | 2022 |
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| 10, Copley Dene913 m away | 145 m² | 177 m² | +32 m² +22% | 2016 |
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| 153, Lower Camden874 m away | 91 m² | 122 m² | +31 m² +34% | 2025 |
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| Flat 5, Highview, 22, Sundridge Avenue978 m away | 147 m² | 178 m² | +31 m² +21% | 2025 |
|---|
| 35, Southborough Road678 m away | 172 m² | 203 m² | +31 m² +18% | 2024 |
|---|
| Rhyd-Y-Coed, Yester Road898 m away | 124 m² | 155 m² | +31 m² +25% | 2020 |
|---|
| 2, Davema Close943 m away | 153 m² | 183 m² | +30 m² +20% | 2023 |
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| 2b, Logs Hill416 m away | 147 m² | 177 m² | +30 m² +20% | 2022 |
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| 21, Amesbury Road768 m away | 109 m² | 139 m² | +30 m² +28% | 2016 |
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| 27, Lubbock Road959 m away | 101 m² | 130 m² | +29 m² +29% | 2026 |
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| 8, Serviden Drive969 m away | 142 m² | 171 m² | +29 m² +20% | 2024 |
|---|
| 1, The Glade663 m away | 80 m² | 108 m² | +28 m² +35% | 2014 |
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| Flat 4, 8, Denbridge Road438 m away | 79 m² | 107 m² | +28 m² +35% | 2012 |
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| 3b, Hawthorne Road528 m away | 154 m² | 181 m² | +27 m² +18% | 2024 |
|---|
| 2a, Southlands Grove604 m away | 54 m² | 81 m² | +27 m² +50% | 2021 |
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| 4, Wellsmoor Gardens742 m away | 94 m² | 121 m² | +27 m² +29% | 2020 |
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| 29, Vale Road612 m away | 121 m² | 147 m² | +26 m² +21% | 2021 |
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| 65, Chislehurst Road738 m away | 77 m² | 103 m² | +26 m² +34% | 2020 |
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| Flat 3, Quennells, Vale Road612 m away | 42 m² | 68 m² | +26 m² +62% | 2018 |
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| 12, Hever Gardens745 m away | 99 m² | 125 m² | +26 m² +26% | 2015 |
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| 65, Nightingale Lane936 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 89, Clarence Road688 m away | 147 m² | 172 m² | +25 m² +17% | 2014 |
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| 21, Clarence Road833 m away | 123 m² | 147 m² | +24 m² +20% | 2025 |
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| 58, Nightingale Lane924 m away | 118 m² | 142 m² | +24 m² +20% | 2024 |
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| 12, Page Heath Lane641 m away | 67 m² | 91 m² | +24 m² +36% | 2020 |
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| Flat 6, Ascot Court, Asprey Place365 m away | 102 m² | 125 m² | +23 m² +23% | 2025 |
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| 6, Stratford House Avenue440 m away | 128 m² | 151 m² | +23 m² +18% | 2023 |
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| 28, Widmore Lodge Road733 m away | 105 m² | 128 m² | +23 m² +22% | 2022 |
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| Flat 2, Orchard House, 5, Woodlands Road0 m away | 139 m² | 162 m² | +23 m² +17% | 2021 |
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| 2, Wyncroft Close723 m away | 144 m² | 167 m² | +23 m² +16% | 2021 |
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| 32, Nightingale Lane924 m away | 88 m² | 111 m² | +23 m² +26% | 2020 |
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| 7, Clarence Road833 m away | 95 m² | 118 m² | +23 m² +24% | 2017 |
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| 2, The Pantiles562 m away | 71 m² | 94 m² | +23 m² +32% | 2015 |
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| 163, Homesdale Road907 m away | 74 m² | 97 m² | +23 m² +31% | 2014 |
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| 2, The Mount, Mavelstone Road668 m away | 114 m² | 136 m² | +22 m² +19% | 2011 |
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| 59, Beechfield Road964 m away | 96 m² | 117 m² | +21 m² +22% | 2024 |
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| 19, Forest Close753 m away | 49 m² | 70 m² | +21 m² +43% | 2012 |
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| Swancote House, Westbury Road815 m away | 122 m² | 142 m² | +20 m² +16% | 2022 |
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| 11, Lubbock Road959 m away | 130 m² | 150 m² | +20 m² +15% | 2018 |
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| Flat 10, 1, Sheridan Place904 m away | 54 m² | 74 m² | +20 m² +37% | 2016 |
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| 4, Woodclyffe Drive886 m away | 132 m² | 152 m² | +20 m² +15% | 2009 |
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| 126, Blackbrook Lane795 m away | 80 m² | 99 m² | +19 m² +24% | 2023 |
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| 33, Liddon Road988 m away | 77 m² | 96 m² | +19 m² +25% | 2020 |
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| Flat 3, Ardenhurst, 26, Southborough Road555 m away | 75 m² | 94 m² | +19 m² +25% | 2018 |
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| 2, Manor Place731 m away | 115 m² | 134 m² | +19 m² +17% | 2014 |
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| 81, Tylney Road809 m away | 62 m² | 80 m² | +18 m² +29% | 2024 |
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| 29, Bickley Crescent817 m away | 101 m² | 119 m² | +18 m² +18% | 2024 |
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| 38, Bickley Crescent792 m away | 89 m² | 107 m² | +18 m² +20% | 2022 |
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| 5, Lower Camden704 m away | 118 m² | 136 m² | +18 m² +15% | 2020 |
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| 15, Beaconsfield Road812 m away | 83 m² | 101 m² | +18 m² +22% | 2020 |
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| 177, Homesdale Road907 m away | 75 m² | 93 m² | +18 m² +24% | 2020 |
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| 38, Widmore Lodge Road733 m away | 85 m² | 102 m² | +17 m² +20% | 2023 |
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| 11, Nightingale Lane676 m away | 106 m² | 123 m² | +17 m² +16% | 2019 |
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| 25, Liddon Road988 m away | 91 m² | 108 m² | +17 m² +19% | 2018 |
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| Flat 1, Hillside, 15, Park Farm Road499 m away | 66 m² | 82 m² | +16 m² +24% | 2022 |
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| 11, Pembroke Road945 m away | 88 m² | 104 m² | +16 m² +18% | 2015 |
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| 224, Homesdale Road944 m away | 81 m² | 96 m² | +15 m² +19% | 2016 |
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