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 RM11 3JB
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 |
|---|---|---|---|---|
| 5, Elm Grove267 m away | 316 m² | 730 m² | +414 m² +131% | 2013 |
| 15, Freeman Way473 m away | 321 m² | 657 m² | +336 m² +105% | 2024 |
| 7, Woodlands Avenue295 m away | 248 m² | 555 m² | +307 m² +124% | 2015 |
| 41, Ernest Road641 m away | 209 m² | 516 m² | +307 m² +147% | 2013 |
| 21, Parkstone Avenue210 m away | 283 m² | 526 m² | +243 m² +86% | 2017 |
| 4, Porchester Close159 m away | 187 m² | 401 m² | +214 m² +114% | 2014 |
| 20, Sylvan Avenue587 m away | 296 m² | 507 m² | +211 m² +71% | 2017 |
| 4, Nelmes Road187 m away | 162 m² | 372 m² | +210 m² +130% | 2014 |
| 14, Dalewood Close712 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.
| 178 m² |
| 384 m² |
| +206 m² +116% |
| 2020 |
| 8, Ernest Road326 m away | 218 m² | 422 m² | +204 m² +94% | 2016 |
|---|
| 111, Parkstone Avenue951 m away | 216 m² | 417 m² | +201 m² +93% | 2016 |
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| 7, Ferndown898 m away | 194 m² | 385 m² | +191 m² +98% | 2026 |
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| 3, Russetts908 m away | 151 m² | 326 m² | +175 m² +116% | 2021 |
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| 25, Ferndown898 m away | 127 m² | 302 m² | +175 m² +138% | 2015 |
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| 12, Rockchase Gardens126 m away | 208 m² | 378 m² | +170 m² +82% | 2020 |
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| 14, Elm Grove267 m away | 305 m² | 474 m² | +169 m² +55% | 2025 |
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| 15, Nelmes Way708 m away | 113 m² | 281 m² | +168 m² +149% | 2017 |
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| 40, Nelwyn Avenue966 m away | 133 m² | 299 m² | +166 m² +125% | 2023 |
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| 41, Nelmes Way530 m away | 201 m² | 362 m² | +161 m² +80% | 2025 |
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| 18, Nelmes Crescent690 m away | 105 m² | 261 m² | +156 m² +149% | 2023 |
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| 16, Berther Road387 m away | 146 m² | 292 m² | +146 m² +100% | 2026 |
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| 9, Ayloffs Walk578 m away | 143 m² | 285 m² | +142 m² +99% | 2020 |
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| 1, Fairlawns Close816 m away | 201 m² | 342 m² | +141 m² +70% | 2015 |
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| 75, Parkstone Avenue676 m away | 229 m² | 367 m² | +138 m² +60% | 2019 |
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| 16, Ernest Road326 m away | 458 m² | 587 m² | +129 m² +28% | 2023 |
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| 60, Brookside487 m away | 115 m² | 243 m² | +128 m² +111% | 2016 |
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| 24, Great Nelmes Chase947 m away | 89 m² | 214 m² | +125 m² +140% | 2020 |
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| 36, Herbert Road855 m away | 368 m² | 487 m² | +119 m² +32% | 2024 |
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| 8, Brookside440 m away | 112 m² | 231 m² | +119 m² +106% | 2022 |
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| 12, Freeman Way473 m away | 206 m² | 323 m² | +117 m² +57% | 2023 |
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| 2a, Burntwood Avenue0 m away | 160 m² | 276 m² | +116 m² +73% | 2015 |
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| 1, Banyards753 m away | 142 m² | 256 m² | +114 m² +80% | 2023 |
|---|
| 23, Elm Grove406 m away | 526 m² | 638 m² | +112 m² +21% | 2026 |
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| 15, Great Nelmes Chase944 m away | 121 m² | 232 m² | +111 m² +92% | 2025 |
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| 35, Great Nelmes Chase944 m away | 103 m² | 214 m² | +111 m² +108% | 2012 |
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| 1, Astwood Close831 m away | 418 m² | 527 m² | +109 m² +26% | 2021 |
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| 25, Warrington Gardens605 m away | 87 m² | 194 m² | +107 m² +123% | 2024 |
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| 42, Parkstone Avenue420 m away | 481 m² | 588 m² | +107 m² +22% | 2010 |
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| 34, Beverley Gardens954 m away | 71 m² | 176 m² | +105 m² +148% | 2025 |
|---|
| 5, Mendoza Close426 m away | 209 m² | 314 m² | +105 m² +50% | 2022 |
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| 59, Ardleigh Green Road548 m away | 124 m² | 227 m² | +103 m² +83% | 2017 |
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| 22, Burntwood Avenue0 m away | 259 m² | 359 m² | +100 m² +39% | 2025 |
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| 8, Walden Road359 m away | 153 m² | 251 m² | +98 m² +64% | 2025 |
|---|
| 65, Hillview Avenue464 m away | 65 m² | 162 m² | +97 m² +149% | 2017 |
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| 28, Boscombe Avenue736 m away | 93 m² | 186 m² | +93 m² +100% | 2026 |
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| 18, Emerson Drive699 m away | 122 m² | 214 m² | +92 m² +75% | 2026 |
|---|
| 4, Windsor Road953 m away | 75 m² | 167 m² | +92 m² +123% | 2022 |
|---|
| 101, Nelmes Crescent806 m away | 145 m² | 235 m² | +90 m² +62% | 2015 |
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| 55, Kinfauns Avenue856 m away | 72 m² | 159 m² | +87 m² +121% | 2014 |
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| 15, The Sheilings702 m away | 114 m² | 198 m² | +84 m² +74% | 2023 |
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| 12, Nelmes Road187 m away | 184 m² | 265 m² | +81 m² +44% | 2025 |
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| 7, Berther Road360 m away | 106 m² | 186 m² | +80 m² +75% | 2020 |
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| 29, Nelmes Crescent720 m away | 146 m² | 225 m² | +79 m² +54% | 2023 |
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| 4, Romney Chase891 m away | 122 m² | 200 m² | +78 m² +64% | 2016 |
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| 3, Burges Close607 m away | 231 m² | 307 m² | +76 m² +33% | 2014 |
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| 7, Nelmes Road187 m away | 258 m² | 333 m² | +75 m² +29% | 2018 |
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| 147, Haynes Road658 m away | 134 m² | 208 m² | +74 m² +55% | 2021 |
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| 163, Haynes Road658 m away | 79 m² | 153 m² | +74 m² +94% | 2017 |
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| 274, Osborne Road596 m away | 108 m² | 180 m² | +72 m² +67% | 2024 |
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| 71, Ernest Road835 m away | 240 m² | 312 m² | +72 m² +30% | 2021 |
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| 6, Sylvan Avenue587 m away | 343 m² | 415 m² | +72 m² +21% | 2020 |
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| 34, Boscombe Avenue835 m away | 82 m² | 153 m² | +71 m² +87% | 2025 |
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| 21, Woodlands Avenue295 m away | 251 m² | 321 m² | +70 m² +28% | 2023 |
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| 24, Hazel Rise890 m away | 96 m² | 165 m² | +69 m² +72% | 2020 |
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| 136, Burnway860 m away | 50 m² | 118 m² | +68 m² +136% | 2023 |
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| 27, St Georges Avenue776 m away | 75 m² | 143 m² | +68 m² +91% | 2015 |
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| 6, Burntwood Avenue0 m away | 323 m² | 390 m² | +67 m² +21% | 2014 |
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| 8, The Woodfines175 m away | 199 m² | 264 m² | +65 m² +33% | 2016 |
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| 100, Cranham Road950 m away | 65 m² | 130 m² | +65 m² +100% | 2016 |
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| 9, Russetts908 m away | 166 m² | 230 m² | +64 m² +39% | 2020 |
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| 2, Warrington Gardens545 m away | 73 m² | 135 m² | +62 m² +85% | 2026 |
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| The Fold, 54a, Herbert Road855 m away | 342 m² | 404 m² | +62 m² +18% | 2024 |
|---|
| 19a, Ernest Road340 m away | 155 m² | 217 m² | +62 m² +40% | 2023 |
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| 29, Great Nelmes Chase944 m away | 109 m² | 170 m² | +61 m² +56% | 2025 |
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| 40, Percival Road766 m away | 45 m² | 106 m² | +61 m² +136% | 2023 |
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| 94, Northumberland Avenue961 m away | 61 m² | 122 m² | +61 m² +100% | 2021 |
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| 28, Wykeham Avenue383 m away | 102 m² | 161 m² | +59 m² +58% | 2023 |
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| 33, Wakerfield Close886 m away | 165 m² | 224 m² | +59 m² +36% | 2020 |
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| 38, Nelmes Crescent690 m away | 152 m² | 211 m² | +59 m² +39% | 2016 |
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| 89, Parkstone Avenue951 m away | 235 m² | 294 m² | +59 m² +25% | 2014 |
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| 8, Herbert Road507 m away | 227 m² | 285 m² | +58 m² +26% | 2026 |
|---|
| 8, Windsor Road953 m away | 73 m² | 130 m² | +57 m² +78% | 2023 |
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| Cedar Lodge, Green Glades920 m away | 279 m² | 336 m² | +57 m² +20% | 2016 |
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| 62, Beverley Gardens818 m away | 137 m² | 193 m² | +56 m² +41% | 2025 |
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| 56, Beverley Gardens818 m away | 81 m² | 137 m² | +56 m² +69% | 2025 |
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| 1, Cromer Road687 m away | 89 m² | 145 m² | +56 m² +63% | 2024 |
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| 2, Yevele Way432 m away | 121 m² | 177 m² | +56 m² +46% | 2015 |
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| 114, Hillview Avenue784 m away | 53 m² | 107 m² | +54 m² +102% | 2026 |
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| 54, Brooklands Gardens718 m away | 72 m² | 125 m² | +53 m² +74% | 2025 |
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| 100, Hillview Avenue621 m away | 135 m² | 188 m² | +53 m² +39% | 2022 |
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| 11, Nelwyn Avenue889 m away | 115 m² | 167 m² | +52 m² +45% | 2020 |
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| 4, Ernest Road326 m away | 250 m² | 302 m² | +52 m² +21% | 2016 |
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| 1, Boscombe Avenue736 m away | 78 m² | 129 m² | +51 m² +65% | 2023 |
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| 17, Rowan Walk906 m away | 126 m² | 177 m² | +51 m² +40% | 2019 |
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| 130, Burnway860 m away | 64 m² | 115 m² | +51 m² +80% | 2018 |
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| 38, Hillview Avenue432 m away | 91 m² | 141 m² | +50 m² +55% | 2024 |
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| 19, Hillview Avenue464 m away | 107 m² | 157 m² | +50 m² +47% | 2021 |
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| 111a, Hillview Avenue621 m away | 126 m² | 175 m² | +49 m² +39% | 2026 |
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| 3, Barleycorn Way754 m away | 125 m² | 174 m² | +49 m² +39% | 2026 |
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| 73, Slewins Lane861 m away | 153 m² | 202 m² | +49 m² +32% | 2025 |
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| 48, Beverley Gardens818 m away | 65 m² | 114 m² | +49 m² +75% | 2023 |
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| 16, Nelmes Crescent690 m away | 118 m² | 165 m² | +47 m² +40% | 2022 |
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| 66, North Street709 m away | 195 m² | 242 m² | +47 m² +24% | 2022 |
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| 7, Dalewood Close712 m away | 166 m² | 213 m² | +47 m² +28% | 2019 |
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| 252, Osborne Road596 m away | 81 m² | 126 m² | +45 m² +56% | 2024 |
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| 46, Percival Road766 m away | 46 m² | 91 m² | +45 m² +98% | 2019 |
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| 6, Nelmes Close826 m away | 199 m² | 243 m² | +44 m² +22% | 2025 |
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| 119, Northumberland Avenue985 m away | 60 m² | 104 m² | +44 m² +73% | 2019 |
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| 19, Barleycorn Way754 m away | 108 m² | 152 m² | +44 m² +41% | 2016 |
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| 88, Cranham Road950 m away | 90 m² | 133 m² | +43 m² +48% | 2024 |
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| 14, Walden Way364 m away | 207 m² | 249 m² | +42 m² +20% | 2024 |
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| 53, Hazelmere Gardens955 m away | 127 m² | 169 m² | +42 m² +33% | 2022 |
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| 4, Emerson Drive699 m away | 120 m² | 162 m² | +42 m² +35% | 2020 |
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| 43, Ernest Road641 m away | 227 m² | 269 m² | +42 m² +19% | 2019 |
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| 5a, Nelmes Road187 m away | 235 m² | 276 m² | +41 m² +17% | 2015 |
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| 166, Lyndhurst Drive784 m away | 95 m² | 134 m² | +39 m² +41% | 2026 |
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| 3, Rowan Walk906 m away | 165 m² | 204 m² | +39 m² +24% | 2020 |
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| Flat 7, Noble Court, 126, North Street536 m away | 45 m² | 83 m² | +38 m² +84% | 2026 |
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| 29, Keswick Avenue940 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
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| 62, Great Gardens Road922 m away | 72 m² | 110 m² | +38 m² +53% | 2021 |
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| 13, Warrington Gardens545 m away | 76 m² | 114 m² | +38 m² +50% | 2014 |
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| 9, Brooklands Gardens682 m away | 100 m² | 137 m² | +37 m² +37% | 2016 |
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| 32, Boscombe Avenue736 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
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| 28, Whitethorn Gardens651 m away | 84 m² | 119 m² | +35 m² +42% | 2026 |
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| 32, Hazel Rise890 m away | 68 m² | 103 m² | +35 m² +51% | 2021 |
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| 78, Glebe Way940 m away | 115 m² | 149 m² | +34 m² +30% | 2026 |
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| 34, Brookside440 m away | 93 m² | 127 m² | +34 m² +37% | 2024 |
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| 11, Lewis Road650 m away | 85 m² | 118 m² | +33 m² +39% | 2026 |
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| 51, Cromer Road687 m away | 103 m² | 136 m² | +33 m² +32% | 2025 |
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| 87, Glebe Way940 m away | 146 m² | 179 m² | +33 m² +23% | 2025 |
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| 140, Burnway860 m away | 47 m² | 80 m² | +33 m² +70% | 2023 |
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| 25a, Percival Road766 m away | 81 m² | 113 m² | +32 m² +40% | 2025 |
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| 7, Curtis Road995 m away | 157 m² | 189 m² | +32 m² +20% | 2017 |
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| 8, Ferndown898 m away | 124 m² | 156 m² | +32 m² +26% | 2011 |
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| 15, The Witherings596 m away | 188 m² | 219 m² | +31 m² +16% | 2025 |
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| 28, Nelmes Crescent690 m away | 116 m² | 147 m² | +31 m² +27% | 2024 |
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| 32a, Northumberland Avenue822 m away | 113 m² | 144 m² | +31 m² +27% | 2023 |
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| 82, Haynes Road690 m away | 116 m² | 146 m² | +30 m² +26% | 2024 |
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| 7, Percival Road766 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
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| 8, The Sheilings702 m away | 193 m² | 223 m² | +30 m² +16% | 2022 |
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| 92, Northumberland Avenue961 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 26, Wykeham Avenue383 m away | 111 m² | 141 m² | +30 m² +27% | 2019 |
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| 66, Grey Towers Avenue944 m away | 50 m² | 80 m² | +30 m² +60% | 2019 |
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| 37, Glebe Way793 m away | 93 m² | 123 m² | +30 m² +32% | 2017 |
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| 10, Pegelm Gardens947 m away | 98 m² | 128 m² | +30 m² +31% | 2017 |
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| 8, Manor Crescent976 m away | 136 m² | 166 m² | +30 m² +22% | 2017 |
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| 120, Hillview Avenue784 m away | 77 m² | 106 m² | +29 m² +38% | 2025 |
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| 22, Boscombe Avenue736 m away | 92 m² | 121 m² | +29 m² +32% | 2020 |
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| 9, Beverley Gardens954 m away | 71 m² | 100 m² | +29 m² +41% | 2018 |
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| 5, Fanshawe Crescent548 m away | 146 m² | 175 m² | +29 m² +20% | 2017 |
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| 56, Great Gardens Road922 m away | 98 m² | 127 m² | +29 m² +30% | 2014 |
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| 49, Hazelmere Gardens955 m away | 83 m² | 111 m² | +28 m² +34% | 2021 |
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| 12a, Westland Avenue989 m away | 60 m² | 88 m² | +28 m² +47% | 2018 |
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| 31a, Butts Green Road284 m away | 38 m² | 66 m² | +28 m² +74% | 2013 |
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| 20, Emerson Drive699 m away | 152 m² | 179 m² | +27 m² +18% | 2026 |
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| 18, Kershaw Close567 m away | 100 m² | 127 m² | +27 m² +27% | 2024 |
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| 234, Osborne Road596 m away | 99 m² | 126 m² | +27 m² +27% | 2024 |
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| 1, Ardleigh Green Road398 m away | 105 m² | 132 m² | +27 m² +26% | 2018 |
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| 8, Whitethorn Gardens651 m away | 87 m² | 114 m² | +27 m² +31% | 2017 |
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| 50, Hillview Avenue432 m away | 84 m² | 111 m² | +27 m² +32% | 2011 |
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| 109a, Hillview Avenue621 m away | 88 m² | 114 m² | +26 m² +30% | 2022 |
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| 99a, Glebe Way940 m away | 59 m² | 85 m² | +26 m² +44% | 2022 |
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| 48, Boscombe Avenue835 m away | 96 m² | 122 m² | +26 m² +27% | 2019 |
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| 76, Hillview Avenue432 m away | 68 m² | 94 m² | +26 m² +38% | 2016 |
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| 1, Glebe Way733 m away | 104 m² | 129 m² | +25 m² +24% | 2026 |
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| 23a, Butts Green Road284 m away | 40 m² | 64 m² | +24 m² +60% | 2025 |
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| 181, Osborne Road773 m away | 90 m² | 114 m² | +24 m² +27% | 2024 |
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| 102, Northumberland Avenue961 m away | 67 m² | 91 m² | +24 m² +36% | 2023 |
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| 4, Manor Crescent976 m away | 152 m² | 176 m² | +24 m² +16% | 2022 |
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| 16, Barleycorn Way754 m away | 141 m² | 165 m² | +24 m² +17% | 2021 |
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| 4, Elmdene Avenue872 m away | 142 m² | 165 m² | +23 m² +16% | 2025 |
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| 78, North Street709 m away | 107 m² | 129 m² | +22 m² +21% | 2026 |
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| 132, Burnway860 m away | 47 m² | 69 m² | +22 m² +47% | 2024 |
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| 58, Billet Lane667 m away | 39 m² | 61 m² | +22 m² +56% | 2021 |
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| 1, Wedlake Close874 m away | 71 m² | 93 m² | +22 m² +31% | 2018 |
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| 132, Hillview Avenue784 m away | 45 m² | 67 m² | +22 m² +49% | 2013 |
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| 114, Grosvenor Drive930 m away | 62 m² | 84 m² | +22 m² +35% | 2011 |
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| 115, Northumberland Avenue985 m away | 58 m² | 79 m² | +21 m² +36% | 2023 |
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| 16, Keith Way725 m away | 102 m² | 122 m² | +20 m² +20% | 2026 |
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| 83, Hillview Avenue621 m away | 84 m² | 104 m² | +20 m² +24% | 2023 |
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| 221, Osborne Road773 m away | 114 m² | 134 m² | +20 m² +18% | 2021 |
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| 93, Lyndhurst Drive987 m away | 82 m² | 102 m² | +20 m² +24% | 2021 |
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| 11, Nelmes Close826 m away | 122 m² | 142 m² | +20 m² +16% | 2016 |
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| 94, Hillview Avenue621 m away | 105 m² | 124 m² | +19 m² +18% | 2026 |
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| 15, Manor Crescent976 m away | 90 m² | 109 m² | +19 m² +21% | 2026 |
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| 55, Glebe Way793 m away | 91 m² | 110 m² | +19 m² +21% | 2025 |
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| 29, Brooklands Gardens682 m away | 75 m² | 94 m² | +19 m² +25% | 2023 |
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| 33, Nelmes Crescent720 m away | 117 m² | 136 m² | +19 m² +16% | 2014 |
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| 129, Hillview Avenue784 m away | 84 m² | 102 m² | +18 m² +21% | 2026 |
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| 8, Hazel Rise890 m away | 80 m² | 98 m² | +18 m² +23% | 2026 |
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| 7, St Georges Avenue776 m away | 81 m² | 99 m² | +18 m² +22% | 2025 |
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| 164, Osborne Road808 m away | 95 m² | 113 m² | +18 m² +19% | 2025 |
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| 15, Kershaw Close567 m away | 93 m² | 111 m² | +18 m² +19% | 2020 |
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| 26, Link Way886 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
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| 269, Wingletye Lane962 m away | 96 m² | 113 m² | +17 m² +18% | 2022 |
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| 93, Butts Green Road258 m away | 106 m² | 122 m² | +16 m² +15% | 2022 |
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| 25, Windsor Road953 m away | 87 m² | 103 m² | +16 m² +18% | 2022 |
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| 127, Grosvenor Drive965 m away | 67 m² | 83 m² | +16 m² +24% | 2022 |
|---|
| 140, North Street536 m away | 37 m² | 52 m² | +15 m² +41% | 2023 |
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| 7, Warrington Gardens545 m away | 72 m² | 87 m² | +15 m² +21% | 2023 |
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