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 BN3 6QH
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 |
|---|---|---|---|---|
| 59, Hill Brow165 m away | 256 m² | 602 m² | +346 m² +135% | 2024 |
| 46, Tongdean Avenue607 m away | 350 m² | 667 m² | +317 m² +91% | 2018 |
| 7, Hill Brow131 m away | 220 m² | 514 m² | +294 m² +134% | 2026 |
| 41, Withdean Road981 m away | 180 m² | 424 m² | +244 m² +136% | 2016 |
| 9, Hill Brow131 m away | 240 m² | 482 m² | +242 m² +101% | 2026 |
| 6, Dyke Close167 m away | 214 m² | 451 m² | +237 m² +111% | 2014 |
| 105, Shirley Drive913 m away | 144 m² | 334 m² | +190 m² +132% | 2021 |
| 39, Green Ridge619 m away | 123 m² | 301 m² | +178 m² +145% | 2019 |
| 79, Wayland Avenue450 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.
| 304 m² |
| +162 m² +114% |
| 2026 |
| 97, Wayland Avenue450 m away | 110 m² | 270 m² | +160 m² +145% | 2014 |
|---|
| 39, Withdean Road981 m away | 229 m² | 388 m² | +159 m² +69% | 2024 |
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| 7, Meadow Close540 m away | 174 m² | 332 m² | +158 m² +91% | 2026 |
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| 107, Wayland Avenue450 m away | 138 m² | 290 m² | +152 m² +110% | 2025 |
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| 140, Valley Drive483 m away | 162 m² | 307 m² | +145 m² +90% | 2025 |
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| 71, Hill Brow165 m away | 199 m² | 343 m² | +144 m² +72% | 2024 |
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| 21, Hill Brow131 m away | 139 m² | 274 m² | +135 m² +97% | 2018 |
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| 26, Benett Drive823 m away | 122 m² | 256 m² | +134 m² +110% | 2012 |
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| 5, Hill Drive359 m away | 105 m² | 238 m² | +133 m² +127% | 2026 |
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| 14, Tongdean Avenue861 m away | 202 m² | 332 m² | +130 m² +64% | 2021 |
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| 3, Meadow Close540 m away | 141 m² | 269 m² | +128 m² +91% | 2020 |
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| 87, Tongdean Lane505 m away | 140 m² | 268 m² | +128 m² +91% | 2019 |
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| 3, Shepherds Croft653 m away | 108 m² | 235 m² | +127 m² +118% | 2016 |
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| 24, Tongdean Rise548 m away | 116 m² | 242 m² | +126 m² +109% | 2017 |
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| 51, Redhill Drive731 m away | 105 m² | 223 m² | +118 m² +112% | 2012 |
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| 9, Tredcroft Road855 m away | 204 m² | 320 m² | +116 m² +57% | 2022 |
|---|
| 93, Wayland Avenue450 m away | 139 m² | 255 m² | +116 m² +83% | 2020 |
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| 139, Shirley Drive657 m away | 148 m² | 264 m² | +116 m² +78% | 2012 |
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| 106, Woodland Drive133 m away | 159 m² | 273 m² | +114 m² +72% | 2012 |
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| 80, Dyke Road Avenue357 m away | 406 m² | 518 m² | +112 m² +28% | 2021 |
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| 4, Barrowfield Close718 m away | 116 m² | 225 m² | +109 m² +94% | 2016 |
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| 85, Valley Drive481 m away | 72 m² | 180 m² | +108 m² +150% | 2022 |
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| 50, Hill Drive259 m away | 314 m² | 417 m² | +103 m² +33% | 2018 |
|---|
| 4, Redhill Drive582 m away | 131 m² | 234 m² | +103 m² +79% | 2016 |
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| 20, Benett Drive823 m away | 138 m² | 240 m² | +102 m² +74% | 2025 |
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| 40, Woodland Drive590 m away | 118 m² | 219 m² | +101 m² +86% | 2025 |
|---|
| 19, Downside182 m away | 205 m² | 306 m² | +101 m² +49% | 2022 |
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| 19, Tongdean Rise548 m away | 120 m² | 221 m² | +101 m² +84% | 2017 |
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| 33, Woodland Drive494 m away | 119 m² | 220 m² | +101 m² +85% | 2014 |
|---|
| 13, Woodland Drive494 m away | 184 m² | 282 m² | +98 m² +53% | 2021 |
|---|
| 121, Shirley Drive657 m away | 100 m² | 198 m² | +98 m² +98% | 2014 |
|---|
| 48, Hill Brow0 m away | 168 m² | 266 m² | +98 m² +58% | 2012 |
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| 15, Shirley Avenue724 m away | 249 m² | 346 m² | +97 m² +39% | 2026 |
|---|
| 3, Wayland Avenue788 m away | 113 m² | 210 m² | +97 m² +86% | 2023 |
|---|
| 62, Woodland Drive370 m away | 153 m² | 250 m² | +97 m² +63% | 2021 |
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| 4, Woodland Drive837 m away | 181 m² | 278 m² | +97 m² +54% | 2020 |
|---|
| 4, Green Ridge678 m away | 74 m² | 171 m² | +97 m² +131% | 2015 |
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| 9, The Beeches821 m away | 110 m² | 203 m² | +93 m² +85% | 2021 |
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| 53, Dyke Road Avenue443 m away | 212 m² | 304 m² | +92 m² +43% | 2023 |
|---|
| 59, Benett Drive673 m away | 106 m² | 198 m² | +92 m² +87% | 2014 |
|---|
| 10, Tongdean Avenue861 m away | 171 m² | 261 m² | +90 m² +53% | 2020 |
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| 50, Woodruff Avenue970 m away | 136 m² | 225 m² | +89 m² +65% | 2020 |
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| 10, Queen Victoria Avenue684 m away | 89 m² | 178 m² | +89 m² +100% | 2013 |
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| 55, Tongdean Avenue607 m away | 521 m² | 609 m² | +88 m² +17% | 2024 |
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| 42, Dyke Road Avenue388 m away | 337 m² | 425 m² | +88 m² +26% | 2020 |
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| 4, Tredcroft Road855 m away | 125 m² | 212 m² | +87 m² +70% | 2025 |
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| 20, Woodlands820 m away | 186 m² | 273 m² | +87 m² +47% | 2023 |
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| 64, Mill Drive753 m away | 87 m² | 174 m² | +87 m² +100% | 2021 |
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| 5, Windsor Close715 m away | 75 m² | 160 m² | +85 m² +113% | 2023 |
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| 74, Green Ridge850 m away | 112 m² | 195 m² | +83 m² +74% | 2026 |
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| 12, Edward Avenue707 m away | 71 m² | 154 m² | +83 m² +117% | 2019 |
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| 40, Woodland Avenue609 m away | 108 m² | 190 m² | +82 m² +76% | 2018 |
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| 148, Woodland Avenue321 m away | 83 m² | 164 m² | +81 m² +98% | 2016 |
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| 39, Westdene Drive869 m away | 78 m² | 159 m² | +81 m² +104% | 2015 |
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| 7, Hill Drive359 m away | 173 m² | 253 m² | +80 m² +46% | 2025 |
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| 49, Tongdean Avenue607 m away | 150 m² | 230 m² | +80 m² +53% | 2016 |
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| 46, Woodruff Avenue970 m away | 179 m² | 259 m² | +80 m² +45% | 2011 |
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| 37, Glen Rise744 m away | 81 m² | 160 m² | +79 m² +98% | 2025 |
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| 95, Green Ridge887 m away | 99 m² | 177 m² | +78 m² +79% | 2022 |
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| 2a, Colebrook Road889 m away | 95 m² | 173 m² | +78 m² +82% | 2014 |
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| 112, Shirley Drive607 m away | 130 m² | 208 m² | +78 m² +60% | 2011 |
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| 90, Wayland Avenue448 m away | 88 m² | 164 m² | +76 m² +86% | 2024 |
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| 2, Elizabeth Close499 m away | 83 m² | 159 m² | +76 m² +92% | 2024 |
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| 22, Edward Avenue707 m away | 79 m² | 155 m² | +76 m² +96% | 2024 |
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| 7, Queen Victoria Avenue716 m away | 93 m² | 169 m² | +76 m² +82% | 2022 |
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| 49, Hillcrest784 m away | 69 m² | 145 m² | +76 m² +110% | 2017 |
|---|
| 45, Hillcrest784 m away | 65 m² | 140 m² | +75 m² +115% | 2015 |
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| 7, Sandringham Close547 m away | 88 m² | 162 m² | +74 m² +84% | 2025 |
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| 34, Dyke Road Avenue754 m away | 412 m² | 486 m² | +74 m² +18% | 2022 |
|---|
| 6, The Spinney418 m away | 268 m² | 341 m² | +73 m² +27% | 2026 |
|---|
| 42, Hill Drive259 m away | 164 m² | 237 m² | +73 m² +45% | 2024 |
|---|
| 45, Millcroft761 m away | 80 m² | 153 m² | +73 m² +91% | 2017 |
|---|
| 67, Woodland Avenue279 m away | 99 m² | 171 m² | +72 m² +73% | 2024 |
|---|
| 158, Nevill Road967 m away | 66 m² | 138 m² | +72 m² +109% | 2024 |
|---|
| 58, Wayland Avenue448 m away | 115 m² | 187 m² | +72 m² +63% | 2022 |
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| 36, Green Ridge678 m away | 162 m² | 234 m² | +72 m² +44% | 2022 |
|---|
| 66, Valley Drive595 m away | 83 m² | 155 m² | +72 m² +87% | 2018 |
|---|
| 81, Valley Drive481 m away | 92 m² | 164 m² | +72 m² +78% | 2016 |
|---|
| 15, Hill Brow131 m away | 129 m² | 200 m² | +71 m² +55% | 2016 |
|---|
| 19, Windsor Close715 m away | 69 m² | 140 m² | +71 m² +103% | 2016 |
|---|
| 14, Shepherds Croft653 m away | 113 m² | 184 m² | +71 m² +63% | 2014 |
|---|
| 148, Valley Drive483 m away | 113 m² | 183 m² | +70 m² +62% | 2020 |
|---|
| 34, Hill Drive259 m away | 176 m² | 244 m² | +68 m² +39% | 2023 |
|---|
| 26, Goldstone Crescent790 m away | 141 m² | 209 m² | +68 m² +48% | 2015 |
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| 189, Nevill Road958 m away | 109 m² | 176 m² | +67 m² +61% | 2015 |
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| 16, Mill Rise991 m away | 116 m² | 182 m² | +66 m² +57% | 2019 |
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| Ridgeways, Woodland Drive837 m away | 174 m² | 239 m² | +65 m² +37% | 2024 |
|---|
| 89, Tongdean Lane505 m away | 115 m² | 180 m² | +65 m² +57% | 2020 |
|---|
| 11, Tongdean Rise548 m away | 127 m² | 191 m² | +64 m² +50% | 2026 |
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| 24, Elizabeth Avenue576 m away | 112 m² | 176 m² | +64 m² +57% | 2021 |
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| 3, Green Ridge619 m away | 103 m² | 166 m² | +63 m² +61% | 2025 |
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| 26, Millcroft815 m away | 77 m² | 140 m² | +63 m² +82% | 2018 |
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| 4, Elizabeth Close499 m away | 60 m² | 123 m² | +63 m² +105% | 2015 |
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| 91, Shirley Drive913 m away | 320 m² | 382 m² | +62 m² +19% | 2025 |
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| 6, Shepherds Croft653 m away | 160 m² | 221 m² | +61 m² +38% | 2022 |
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| 3, The Spinney418 m away | 161 m² | 221 m² | +60 m² +37% | 2024 |
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| 10, Redhill Drive582 m away | 147 m² | 207 m² | +60 m² +41% | 2023 |
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| 53, Elizabeth Avenue539 m away | 90 m² | 150 m² | +60 m² +67% | 2021 |
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| 151, Shirley Drive607 m away | 114 m² | 173 m² | +59 m² +52% | 2024 |
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| 26, Queen Victoria Avenue684 m away | 96 m² | 154 m² | +58 m² +60% | 2024 |
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| 32, Redhill Drive582 m away | 134 m² | 192 m² | +58 m² +43% | 2013 |
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| 130, Valley Drive481 m away | 167 m² | 224 m² | +57 m² +34% | 2025 |
|---|
| 54, Green Ridge850 m away | 71 m² | 128 m² | +57 m² +80% | 2024 |
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| 61, Elizabeth Avenue539 m away | 101 m² | 157 m² | +56 m² +55% | 2018 |
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| 126, Goldstone Crescent870 m away | 114 m² | 170 m² | +56 m² +49% | 2012 |
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| 94, Tongdean Lane505 m away | 208 m² | 263 m² | +55 m² +26% | 2025 |
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| 57, Millcroft954 m away | 114 m² | 169 m² | +55 m² +48% | 2021 |
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| 109, Goldstone Crescent839 m away | 167 m² | 222 m² | +55 m² +33% | 2018 |
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| 8, Queen Victoria Avenue684 m away | 98 m² | 152 m² | +54 m² +55% | 2023 |
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| 46b, Withdean Road981 m away | 127 m² | 181 m² | +54 m² +43% | 2022 |
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| 35, Glen Rise744 m away | 94 m² | 148 m² | +54 m² +57% | 2019 |
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| 15, Tongdean Rise548 m away | 76 m² | 130 m² | +54 m² +71% | 2017 |
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| 65, King George Vi Drive421 m away | 91 m² | 145 m² | +54 m² +59% | 2014 |
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| 86, Wayland Avenue448 m away | 115 m² | 168 m² | +53 m² +46% | 2020 |
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| 9, Shepherds Croft653 m away | 88 m² | 141 m² | +53 m² +60% | 2017 |
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| 14, Hillside Way524 m away | 129 m² | 181 m² | +52 m² +40% | 2024 |
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| 75, Redhill Drive731 m away | 112 m² | 164 m² | +52 m² +46% | 2023 |
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| 13, Queen Victoria Avenue716 m away | 100 m² | 151 m² | +51 m² +51% | 2025 |
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| 6, Queen Victoria Avenue684 m away | 94 m² | 145 m² | +51 m² +54% | 2024 |
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| 58, Green Ridge850 m away | 80 m² | 131 m² | +51 m² +64% | 2015 |
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| 73, Valley Drive481 m away | 104 m² | 154 m² | +50 m² +48% | 2023 |
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| 4, Edward Close611 m away | 103 m² | 153 m² | +50 m² +49% | 2022 |
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| 54, Shirley Drive878 m away | 135 m² | 185 m² | +50 m² +37% | 2022 |
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| 51, Woodland Avenue279 m away | 135 m² | 184 m² | +49 m² +36% | 2026 |
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| 48, Millcroft954 m away | 90 m² | 139 m² | +49 m² +54% | 2017 |
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| 7, Hilltop575 m away | 263 m² | 312 m² | +49 m² +19% | 2015 |
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| 20, Whitethorn Drive466 m away | 178 m² | 226 m² | +48 m² +27% | 2026 |
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| 8, Colebrook Road889 m away | 215 m² | 263 m² | +48 m² +22% | 2024 |
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| 49, Wayland Avenue450 m away | 112 m² | 160 m² | +48 m² +43% | 2022 |
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| 5, Woodlands820 m away | 139 m² | 187 m² | +48 m² +35% | 2022 |
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| 24, Mill Rise991 m away | 73 m² | 121 m² | +48 m² +66% | 2022 |
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| 10, Benett Drive823 m away | 111 m² | 158 m² | +47 m² +42% | 2025 |
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| 121, Woodland Avenue279 m away | 101 m² | 148 m² | +47 m² +47% | 2023 |
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| 46, Redhill Drive731 m away | 112 m² | 159 m² | +47 m² +42% | 2015 |
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| 32, Queen Victoria Avenue684 m away | 102 m² | 148 m² | +46 m² +45% | 2024 |
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| 68, Green Ridge850 m away | 116 m² | 162 m² | +46 m² +40% | 2021 |
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| 4, Dyke Close167 m away | 245 m² | 290 m² | +45 m² +18% | 2025 |
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| 20, Gableson Avenue411 m away | 83 m² | 128 m² | +45 m² +54% | 2017 |
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| 53, Hill Drive259 m away | 232 m² | 276 m² | +44 m² +19% | 2026 |
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| 60, Wayland Avenue448 m away | 195 m² | 239 m² | +44 m² +23% | 2026 |
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| 13, Colebrook Road889 m away | 177 m² | 221 m² | +44 m² +25% | 2022 |
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| 97, Valley Drive481 m away | 130 m² | 174 m² | +44 m² +34% | 2021 |
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| 30, Redhill Drive582 m away | 103 m² | 147 m² | +44 m² +43% | 2018 |
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| 34, Elizabeth Avenue576 m away | 148 m² | 191 m² | +43 m² +29% | 2025 |
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| 27, Whitethorn Drive466 m away | 161 m² | 204 m² | +43 m² +27% | 2024 |
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| 6, Glen Rise710 m away | 139 m² | 182 m² | +43 m² +31% | 2013 |
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| 30, Queen Victoria Avenue684 m away | 93 m² | 135 m² | +42 m² +45% | 2023 |
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| 51, Benett Drive673 m away | 110 m² | 151 m² | +41 m² +37% | 2024 |
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| 38, Woodland Drive590 m away | 164 m² | 205 m² | +41 m² +25% | 2018 |
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| 3, Millcroft761 m away | 98 m² | 139 m² | +41 m² +42% | 2016 |
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| 71, Benett Drive673 m away | 152 m² | 192 m² | +40 m² +26% | 2026 |
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| 5, Barrowfield Drive992 m away | 179 m² | 219 m² | +40 m² +22% | 2020 |
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| 11, Redhill Drive582 m away | 122 m² | 161 m² | +39 m² +32% | 2019 |
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| 36, Hill Brow0 m away | 211 m² | 249 m² | +38 m² +18% | 2024 |
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| 5, Edward Avenue707 m away | 98 m² | 136 m² | +38 m² +39% | 2015 |
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| 31, Tongdean Lane852 m away | 183 m² | 220 m² | +37 m² +20% | 2023 |
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| 2, Yorklands186 m away | 202 m² | 239 m² | +37 m² +18% | 2022 |
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| 12, Benett Drive823 m away | 115 m² | 152 m² | +37 m² +32% | 2022 |
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| 15, Cobton Drive631 m away | 89 m² | 126 m² | +37 m² +42% | 2015 |
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| 122, Goldstone Crescent870 m away | 117 m² | 153 m² | +36 m² +31% | 2025 |
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| 25, Hill Drive359 m away | 116 m² | 152 m² | +36 m² +31% | 2018 |
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| 89, King George Vi Drive421 m away | 81 m² | 116 m² | +35 m² +43% | 2023 |
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| 83, King George Vi Drive421 m away | 98 m² | 133 m² | +35 m² +36% | 2022 |
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| 7, Wayland Avenue788 m away | 177 m² | 212 m² | +35 m² +20% | 2018 |
|---|
| 11, Hill Brow131 m away | 224 m² | 259 m² | +35 m² +16% | 2015 |
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| 5, Green Ridge619 m away | 139 m² | 173 m² | +34 m² +24% | 2026 |
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| 42, Goldstone Crescent790 m away | 121 m² | 155 m² | +34 m² +28% | 2024 |
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| 17, Redhill Close685 m away | 83 m² | 117 m² | +34 m² +41% | 2023 |
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| 42a, Shirley Drive878 m away | 110 m² | 144 m² | +34 m² +31% | 2020 |
|---|
| 37, Sandringham Drive422 m away | 92 m² | 126 m² | +34 m² +37% | 2016 |
|---|
| 43, Green Ridge619 m away | 165 m² | 198 m² | +33 m² +20% | 2026 |
|---|
| 19, Mill Drive717 m away | 90 m² | 123 m² | +33 m² +37% | 2021 |
|---|
| 44, Woodland Drive590 m away | 186 m² | 219 m² | +33 m² +18% | 2014 |
|---|
| 35, Hill Drive259 m away | 135 m² | 167 m² | +32 m² +24% | 2026 |
|---|
| 73, Hill Brow165 m away | 178 m² | 210 m² | +32 m² +18% | 2025 |
|---|
| 39, Hill Brow131 m away | 181 m² | 213 m² | +32 m² +18% | 2023 |
|---|
| 11, Woodlands820 m away | 186 m² | 218 m² | +32 m² +17% | 2020 |
|---|
| 12, Valley Drive750 m away | 112 m² | 144 m² | +32 m² +29% | 2016 |
|---|
| 24, Millcroft815 m away | 111 m² | 142 m² | +31 m² +28% | 2026 |
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| 74, Goldstone Crescent848 m away | 102 m² | 133 m² | +31 m² +30% | 2025 |
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| 88, Wayland Avenue448 m away | 144 m² | 175 m² | +31 m² +22% | 2022 |
|---|
| 78, Wayland Avenue448 m away | 122 m² | 153 m² | +31 m² +25% | 2019 |
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| 210, Nevill Road999 m away | 131 m² | 162 m² | +31 m² +24% | 2015 |
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| 8, Chartfield878 m away | 155 m² | 186 m² | +31 m² +20% | 2014 |
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| 20, Sandringham Drive422 m away | 71 m² | 101 m² | +30 m² +42% | 2026 |
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| 55, Wayland Avenue450 m away | 115 m² | 145 m² | +30 m² +26% | 2025 |
|---|
| 14, Charles Close644 m away | 81 m² | 111 m² | +30 m² +37% | 2014 |
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| 79, Goldstone Crescent839 m away | 168 m² | 197 m² | +29 m² +17% | 2025 |
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| 1, Colebrook Cottages, Colebrook Road889 m away | 131 m² | 160 m² | +29 m² +22% | 2021 |
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| 72, Mill Rise878 m away | 92 m² | 121 m² | +29 m² +32% | 2020 |
|---|
| 5, Hazeldene Meads949 m away | 161 m² | 190 m² | +29 m² +18% | 2019 |
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