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 BH5 2LA
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 |
|---|---|---|---|---|
| 98, Harewood Avenue827 m away | 239 m² | 502 m² | +263 m² +110% | 2014 |
| 77, Harewood Avenue633 m away | 127 m² | 308 m² | +181 m² +143% | 2021 |
| 31, Montague Road856 m away | 119 m² | 296 m² | +177 m² +149% | 2025 |
| 26, Holdenhurst Avenue692 m away | 149 m² | 296 m² | +147 m² +99% | 2018 |
| 28, Montague Road828 m away | 196 m² | 327 m² | +131 m² +67% | 2026 |
| 11, Holdenhurst Avenue649 m away | 171 m² | 299 m² | +128 m² +75% | 2016 |
| 15, Arnewood Road730 m away | 137 m² | 258 m² | +121 m² +88% | 2019 |
| 87, Harewood Avenue633 m away | 156 m² | 257 m² | +101 m² +65% | 2012 |
| 2, Beech Avenue763 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.
| 76 m² |
| 173 m² |
| +97 m² +128% |
| 2024 |
| 26, Browning Avenue853 m away | 133 m² | 227 m² | +94 m² +71% | 2023 |
|---|
| 35, Holdenhurst Avenue649 m away | 108 m² | 201 m² | +93 m² +86% | 2018 |
|---|
| 8, Winsley Avenue918 m away | 95 m² | 185 m² | +90 m² +95% | 2024 |
|---|
| 6, Carbery Avenue947 m away | 113 m² | 203 m² | +90 m² +80% | 2016 |
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| The Courtyard, 19, Somerset Road699 m away | 63 m² | 149 m² | +86 m² +137% | 2020 |
|---|
| 37a, Fenton Road597 m away | 79 m² | 163 m² | +84 m² +106% | 2024 |
|---|
| 7, Cromwell Road142 m away | 59 m² | 142 m² | +83 m² +141% | 2015 |
|---|
| 55a, Kimberley Road622 m away | 66 m² | 148 m² | +82 m² +124% | 2026 |
|---|
| 31, Granville Road406 m away | 78 m² | 157 m² | +79 m² +101% | 2012 |
|---|
| Flat 3, 14, Chessel Avenue997 m away | 153 m² | 231 m² | +78 m² +51% | 2023 |
|---|
| 12a, Southwood Avenue899 m away | 159 m² | 236 m² | +77 m² +48% | 2015 |
|---|
| 1, Winsley Avenue918 m away | 100 m² | 175 m² | +75 m² +75% | 2025 |
|---|
| 21, Parkwood Road620 m away | 83 m² | 157 m² | +74 m² +89% | 2024 |
|---|
| 46, Beaufort Road608 m away | 107 m² | 181 m² | +74 m² +69% | 2016 |
|---|
| 36, Waltham Road587 m away | 166 m² | 233 m² | +67 m² +40% | 2022 |
|---|
| 10, Portman Crescent798 m away | 192 m² | 258 m² | +66 m² +34% | 2026 |
|---|
| 27, Wolverton Road957 m away | 96 m² | 162 m² | +66 m² +69% | 2022 |
|---|
| 46, Pinecliffe Avenue998 m away | 151 m² | 216 m² | +65 m² +43% | 2015 |
|---|
| 61, Petersfield Road858 m away | 101 m² | 165 m² | +64 m² +63% | 2022 |
|---|
| 20, Southwood Avenue899 m away | 296 m² | 356 m² | +60 m² +20% | 2013 |
|---|
| 50, Browning Avenue933 m away | 233 m² | 291 m² | +58 m² +25% | 2015 |
|---|
| 21, Harvey Road576 m away | 174 m² | 231 m² | +57 m² +33% | 2021 |
|---|
| The Penthouse, Orion Court, 5, Browning Avenue903 m away | 38 m² | 94 m² | +56 m² +147% | 2022 |
|---|
| 3, Petersfield Road504 m away | 90 m² | 144 m² | +54 m² +60% | 2013 |
|---|
| Flat 5, Avon Lodge, 62 - 66, Southbourne Road341 m away | 38 m² | 91 m² | +53 m² +139% | 2022 |
|---|
| 27, Lascelles Road283 m away | 86 m² | 139 m² | +53 m² +62% | 2020 |
|---|
| 43, Hambledon Road543 m away | 133 m² | 186 m² | +53 m² +40% | 2009 |
|---|
| 2, Winsley Avenue918 m away | 123 m² | 175 m² | +52 m² +42% | 2022 |
|---|
| 20, Castlemain Avenue432 m away | 192 m² | 243 m² | +51 m² +27% | 2014 |
|---|
| 6a, Harvey Road502 m away | 119 m² | 169 m² | +50 m² +42% | 2022 |
|---|
| The Gallery, 7, Carbery Lane883 m away | 144 m² | 191 m² | +47 m² +33% | 2020 |
|---|
| 9, Irving Road812 m away | 229 m² | 276 m² | +47 m² +21% | 2017 |
|---|
| 17, Somerset Road699 m away | 85 m² | 132 m² | +47 m² +55% | 2015 |
|---|
| 7a, New Park Road606 m away | 59 m² | 104 m² | +45 m² +76% | 2015 |
|---|
| 12, Ravenscourt Road617 m away | 110 m² | 154 m² | +44 m² +40% | 2021 |
|---|
| 23, Clarence Park Road259 m away | 119 m² | 163 m² | +44 m² +37% | 2020 |
|---|
| 79, Paisley Road675 m away | 142 m² | 186 m² | +44 m² +31% | 2020 |
|---|
| 41, Arnewood Road726 m away | 138 m² | 182 m² | +44 m² +32% | 2020 |
|---|
| 79, Petersfield Road858 m away | 123 m² | 166 m² | +43 m² +35% | 2014 |
|---|
| 39, Woodside Road569 m away | 89 m² | 130 m² | +41 m² +46% | 2019 |
|---|
| 21a, Livingstone Road390 m away | 40 m² | 81 m² | +41 m² +102% | 2018 |
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| 66, Sunnyhill Road287 m away | 105 m² | 146 m² | +41 m² +39% | 2016 |
|---|
| 54, Parkwood Road567 m away | 167 m² | 208 m² | +41 m² +25% | 2012 |
|---|
| 68, Hambledon Road682 m away | 101 m² | 141 m² | +40 m² +40% | 2020 |
|---|
| 13, Clarence Park Road259 m away | 123 m² | 163 m² | +40 m² +33% | 2019 |
|---|
| 24, Somerset Road699 m away | 34 m² | 74 m² | +40 m² +118% | 2014 |
|---|
| 54, Stourfield Road428 m away | 63 m² | 102 m² | +39 m² +62% | 2012 |
|---|
| 14c, Carbery Row884 m away | 41 m² | 79 m² | +38 m² +93% | 2022 |
|---|
| Flat 13, Stourview Court, 76, Southbourne Road444 m away | 94 m² | 131 m² | +37 m² +39% | 2024 |
|---|
| 47, Boscombe Overcliff Drive1000 m away | 101 m² | 138 m² | +37 m² +37% | 2020 |
|---|
| 1, Inverleigh Road819 m away | 58 m² | 94 m² | +36 m² +62% | 2025 |
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| 19, Scotter Road202 m away | 116 m² | 152 m² | +36 m² +31% | 2024 |
|---|
| 52, Petersfield Road902 m away | 172 m² | 208 m² | +36 m² +21% | 2022 |
|---|
| 12, Gloucester Road795 m away | 101 m² | 137 m² | +36 m² +36% | 2019 |
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| 10, Corhampton Road410 m away | 118 m² | 154 m² | +36 m² +31% | 2014 |
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| 1091, Christchurch Road428 m away | 36 m² | 71 m² | +35 m² +97% | 2011 |
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| 103, Corhampton Road904 m away | 141 m² | 176 m² | +35 m² +25% | 2011 |
|---|
| Flat 4, 1, Southwood Avenue899 m away | 114 m² | 148 m² | +34 m² +30% | 2025 |
|---|
| Flat 3, 18, Browning Avenue853 m away | 69 m² | 103 m² | +34 m² +49% | 2021 |
|---|
| 1168, Christchurch Road680 m away | 62 m² | 96 m² | +34 m² +55% | 2015 |
|---|
| 14, Fishermans Avenue645 m away | 29 m² | 63 m² | +34 m² +117% | 2012 |
|---|
| Flat 3, 52, Parkwood Road567 m away | 42 m² | 75 m² | +33 m² +79% | 2022 |
|---|
| 1, Sandy Lane226 m away | 85 m² | 118 m² | +33 m² +39% | 2014 |
|---|
| 13, Granville Road515 m away | 143 m² | 175 m² | +32 m² +22% | 2026 |
|---|
| 69, Kimberley Road690 m away | 49 m² | 81 m² | +32 m² +65% | 2015 |
|---|
| 13, Inverleigh Road819 m away | 75 m² | 106 m² | +31 m² +41% | 2022 |
|---|
| 885b, Christchurch Road392 m away | 30 m² | 61 m² | +31 m² +103% | 2021 |
|---|
| 116, Castlemain Avenue794 m away | 86 m² | 117 m² | +31 m² +36% | 2015 |
|---|
| 33, Roberts Road399 m away | 79 m² | 110 m² | +31 m² +39% | 2014 |
|---|
| 6, Petersfield Road622 m away | 126 m² | 157 m² | +31 m² +25% | 2009 |
|---|
| 3a, Southwood Avenue899 m away | 116 m² | 146 m² | +30 m² +26% | 2019 |
|---|
| 11, Beaufort Road539 m away | 127 m² | 157 m² | +30 m² +24% | 2015 |
|---|
| 42, Hillbrow Road213 m away | 86 m² | 116 m² | +30 m² +35% | 2010 |
|---|
| 47a, Darracott Road353 m away | 49 m² | 79 m² | +30 m² +61% | 2009 |
|---|
| 10, Spurgeon Road225 m away | 103 m² | 132 m² | +29 m² +28% | 2024 |
|---|
| 10a, Alexandra Road318 m away | 88 m² | 117 m² | +29 m² +33% | 2024 |
|---|
| 9, Pauncefote Road577 m away | 113 m² | 142 m² | +29 m² +26% | 2020 |
|---|
| 37, Grand Avenue849 m away | 52 m² | 81 m² | +29 m² +56% | 2011 |
|---|
| 2, Browning Avenue853 m away | 57 m² | 86 m² | +29 m² +51% | 2011 |
|---|
| 3, Burleigh Road824 m away | 108 m² | 136 m² | +28 m² +26% | 2026 |
|---|
| 10, Wheaton Road339 m away | 89 m² | 117 m² | +28 m² +31% | 2022 |
|---|
| 47, Darracott Road353 m away | 48 m² | 76 m² | +28 m² +58% | 2019 |
|---|
| 36, Irving Road850 m away | 158 m² | 186 m² | +28 m² +18% | 2014 |
|---|
| 3, Waltham Close354 m away | 127 m² | 154 m² | +27 m² +21% | 2026 |
|---|
| 12, Warwick Road628 m away | 122 m² | 149 m² | +27 m² +22% | 2025 |
|---|
| Flat 7, Huntly Mansions, Christchurch Road207 m away | 25 m² | 52 m² | +27 m² +108% | 2020 |
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| 24, Harcourt Road274 m away | 103 m² | 130 m² | +27 m² +26% | 2016 |
|---|
| 21, Southwick Road689 m away | 85 m² | 112 m² | +27 m² +32% | 2013 |
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| Flat 5, Meade Court, 27, Southbourne Road273 m away | 50 m² | 77 m² | +27 m² +54% | 2012 |
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| 86, Stamford Road951 m away | 105 m² | 131 m² | +26 m² +25% | 2025 |
|---|
| 10, Wyncombe Road95 m away | 78 m² | 104 m² | +26 m² +33% | 2023 |
|---|
| 64, Fenton Road908 m away | 107 m² | 133 m² | +26 m² +24% | 2022 |
|---|
| 10a, Beresford Road493 m away | 93 m² | 119 m² | +26 m² +28% | 2021 |
|---|
| 115a, Seabourne Road277 m away | 122 m² | 148 m² | +26 m² +21% | 2020 |
|---|
| 3, Rotherfield Road890 m away | 153 m² | 179 m² | +26 m² +17% | 2017 |
|---|
| 17, Ravine Road873 m away | 68 m² | 94 m² | +26 m² +38% | 2015 |
|---|
| 837 - 839, Christchurch Road562 m away | 44 m² | 70 m² | +26 m² +59% | 2009 |
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| 18, York Place637 m away | 110 m² | 135 m² | +25 m² +23% | 2024 |
|---|
| 30, Stamford Road836 m away | 63 m² | 88 m² | +25 m² +40% | 2024 |
|---|
| 3, Harvey Road576 m away | 141 m² | 166 m² | +25 m² +18% | 2021 |
|---|
| Flat 4, Thorn Court, 30, Warwick Road704 m away | 31 m² | 56 m² | +25 m² +81% | 2020 |
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| Flat 3, 45, Southbourne Road273 m away | 63 m² | 88 m² | +25 m² +40% | 2016 |
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| 10, Arnewood Road676 m away | 119 m² | 144 m² | +25 m² +21% | 2016 |
|---|
| 48, Beaufort Road608 m away | 123 m² | 148 m² | +25 m² +20% | 2015 |
|---|
| 27, Rebbeck Road444 m away | 78 m² | 103 m² | +25 m² +32% | 2013 |
|---|
| 30, Holdenhurst Avenue692 m away | 133 m² | 158 m² | +25 m² +19% | 2013 |
|---|
| 56, Irving Road918 m away | 102 m² | 127 m² | +25 m² +25% | 2011 |
|---|
| 10, Lascelles Road283 m away | 89 m² | 113 m² | +24 m² +27% | 2024 |
|---|
| 4b, Pine Avenue729 m away | 89 m² | 113 m² | +24 m² +27% | 2024 |
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| Flat 4, 34, Grand Avenue849 m away | 32 m² | 56 m² | +24 m² +75% | 2020 |
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| 4, Deans Road391 m away | 146 m² | 170 m² | +24 m² +16% | 2016 |
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| 15, St James'S Square739 m away | 108 m² | 132 m² | +24 m² +22% | 2016 |
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| 15, Sunnyhill Road246 m away | 121 m² | 145 m² | +24 m² +20% | 2014 |
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| 14, Rosebery Road416 m away | 112 m² | 136 m² | +24 m² +21% | 2014 |
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| 44, Cranleigh Road996 m away | 89 m² | 113 m² | +24 m² +27% | 2014 |
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| 61, Southbourne Road674 m away | 43 m² | 67 m² | +24 m² +56% | 2012 |
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| 53, Meon Road801 m away | 135 m² | 158 m² | +23 m² +17% | 2026 |
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| 111, Beaufort Road794 m away | 130 m² | 153 m² | +23 m² +18% | 2024 |
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| 57, Southwick Road689 m away | 100 m² | 123 m² | +23 m² +23% | 2022 |
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| 42, Paisley Road442 m away | 24 m² | 47 m² | +23 m² +96% | 2019 |
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| 13, Ravine Road873 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| Flat 5, 6a, Keswick Road977 m away | 57 m² | 80 m² | +23 m² +40% | 2019 |
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| 36, Herberton Road509 m away | 129 m² | 152 m² | +23 m² +18% | 2018 |
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| 6, Hannington Road526 m away | 95 m² | 118 m² | +23 m² +24% | 2016 |
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| 8, Hillbrow Road213 m away | 102 m² | 125 m² | +23 m² +23% | 2015 |
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| 63, Herberton Road764 m away | 119 m² | 142 m² | +23 m² +19% | 2015 |
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| 26, Kimberley Road503 m away | 89 m² | 111 m² | +22 m² +25% | 2025 |
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| 42, Corhampton Road670 m away | 134 m² | 156 m² | +22 m² +16% | 2024 |
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| 36, York Place637 m away | 81 m² | 103 m² | +22 m² +27% | 2022 |
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| Flat 1, 866, Christchurch Road544 m away | 85 m² | 107 m² | +22 m² +26% | 2021 |
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| Flat 12, 86, Southbourne Road674 m away | 48 m² | 70 m² | +22 m² +46% | 2019 |
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| 61, Castlemain Avenue702 m away | 23 m² | 45 m² | +22 m² +96% | 2018 |
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| 8, Paisley Road442 m away | 59 m² | 81 m² | +22 m² +37% | 2015 |
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| 26, College Road769 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
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| 30, Clarence Park Road365 m away | 91 m² | 113 m² | +22 m² +24% | 2013 |
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| 30, Cromwell Road142 m away | 49 m² | 70 m² | +21 m² +43% | 2026 |
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| 73, Kimberley Road756 m away | 43 m² | 64 m² | +21 m² +49% | 2025 |
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| 5, Sunnyhill Road199 m away | 127 m² | 148 m² | +21 m² +17% | 2024 |
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| 24b, Chessel Avenue997 m away | 66 m² | 87 m² | +21 m² +32% | 2022 |
|---|
| 45, Clarence Park Road349 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
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| Flat 2, 18, Browning Avenue853 m away | 72 m² | 93 m² | +21 m² +29% | 2021 |
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| 6, Beech Avenue763 m away | 57 m² | 78 m² | +21 m² +37% | 2020 |
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| 53, Southwick Road689 m away | 102 m² | 123 m² | +21 m² +21% | 2018 |
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| Flat 1, 842, Christchurch Road544 m away | 57 m² | 78 m² | +21 m² +37% | 2013 |
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| 30, Southbourne Road133 m away | 127 m² | 148 m² | +21 m² +17% | 2009 |
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| Flat 3, Fishermans Vista, 30, Montague Road828 m away | 77 m² | 97 m² | +20 m² +26% | 2022 |
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| 7a, Carbery Lane883 m away | 94 m² | 114 m² | +20 m² +21% | 2021 |
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| 28, Oxford Avenue292 m away | 90 m² | 110 m² | +20 m² +22% | 2017 |
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| 1217a, Christchurch Road662 m away | 133 m² | 153 m² | +20 m² +15% | 2016 |
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| 78, Herberton Road764 m away | 116 m² | 136 m² | +20 m² +17% | 2015 |
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| 15, Paisley Road442 m away | 106 m² | 126 m² | +20 m² +19% | 2014 |
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| 102, Parkwood Road477 m away | 120 m² | 140 m² | +20 m² +17% | 2014 |
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| Flat 5, 31, Parkwood Road620 m away | 42 m² | 62 m² | +20 m² +48% | 2014 |
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| 51, Petersfield Road858 m away | 133 m² | 153 m² | +20 m² +15% | 2014 |
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| Flat 5, Dovestones, 43, Parkwood Road620 m away | 70 m² | 90 m² | +20 m² +29% | 2013 |
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| Flat 5, 156, Parkwood Road391 m away | 64 m² | 84 m² | +20 m² +31% | 2010 |
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| Lovett Mews, 716, Christchurch Road933 m away | 52 m² | 71 m² | +19 m² +37% | 2025 |
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| 15, Queensland Road471 m away | 64 m² | 83 m² | +19 m² +30% | 2024 |
|---|
| 49, Hillbrow Road213 m away | 65 m² | 84 m² | +19 m² +29% | 2021 |
|---|
| Flat 4, Victoria Court 26-32, Grand Avenue849 m away | 87 m² | 106 m² | +19 m² +22% | 2020 |
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| 16, Cromwell Road142 m away | 80 m² | 99 m² | +19 m² +24% | 2019 |
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| 49a, Southbourne Road444 m away | 47 m² | 66 m² | +19 m² +40% | 2019 |
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| 20, Hillbrow Road213 m away | 116 m² | 135 m² | +19 m² +16% | 2016 |
|---|
| 51, Paisley Road675 m away | 104 m² | 122 m² | +18 m² +17% | 2025 |
|---|
| 145, Beaufort Road915 m away | 78 m² | 96 m² | +18 m² +23% | 2025 |
|---|
| 6, Paisley Road442 m away | 78 m² | 96 m² | +18 m² +23% | 2024 |
|---|
| 78, Wheaton Road523 m away | 83 m² | 101 m² | +18 m² +22% | 2024 |
|---|
| 32, Stourvale Road163 m away | 84 m² | 102 m² | +18 m² +21% | 2016 |
|---|
| 51, Leaphill Road316 m away | 95 m² | 113 m² | +18 m² +19% | 2016 |
|---|
| 11a, Colville Road558 m away | 81 m² | 99 m² | +18 m² +22% | 2016 |
|---|
| 8a, Morley Road327 m away | 95 m² | 113 m² | +18 m² +19% | 2014 |
|---|
| 4, Cromwell Road142 m away | 68 m² | 86 m² | +18 m² +26% | 2013 |
|---|
| Flat 1, 14, Chessel Avenue997 m away | 69 m² | 87 m² | +18 m² +26% | 2013 |
|---|
| 89, Stourvale Road282 m away | 73 m² | 90 m² | +17 m² +23% | 2026 |
|---|
| 107, Castlemain Avenue896 m away | 71 m² | 88 m² | +17 m² +24% | 2025 |
|---|
| 19, Irving Road812 m away | 95 m² | 112 m² | +17 m² +18% | 2024 |
|---|
| Flat 7, The Lighthouse, 28, Stourcliffe Avenue959 m away | 43 m² | 60 m² | +17 m² +40% | 2023 |
|---|
| 3a, Seaward Avenue883 m away | 49 m² | 66 m² | +17 m² +35% | 2020 |
|---|
| 62, Wolverton Road957 m away | 33 m² | 50 m² | +17 m² +52% | 2018 |
|---|
| 124, Haviland Road East967 m away | 53 m² | 70 m² | +17 m² +32% | 2014 |
|---|
| 19, Leaphill Road316 m away | 86 m² | 103 m² | +17 m² +20% | 2013 |
|---|
| Flat 1, Melbourne Court, 46, Seabourne Road192 m away | 44 m² | 61 m² | +17 m² +39% | 2012 |
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| 1055a, Christchurch Road323 m away | 62 m² | 79 m² | +17 m² +27% | 2010 |
|---|
| 105, Southwick Road947 m away | 44 m² | 61 m² | +17 m² +39% | 2010 |
|---|
| 92, Stamford Road951 m away | 58 m² | 75 m² | +17 m² +29% | 2010 |
|---|
| 3, Cromwell Place155 m away | 78 m² | 94 m² | +16 m² +21% | 2025 |
|---|
| 37, Durrington Road704 m away | 78 m² | 94 m² | +16 m² +21% | 2023 |
|---|
| 56b, Wolverton Road957 m away | 40 m² | 56 m² | +16 m² +40% | 2021 |
|---|
| 8, Stourcliffe Avenue959 m away | 32 m² | 48 m² | +16 m² +50% | 2021 |
|---|
| 1, Bryony Gardens428 m away | 59 m² | 75 m² | +16 m² +27% | 2020 |
|---|
| 13, St James'S Square739 m away | 103 m² | 119 m² | +16 m² +16% | 2020 |
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