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 2DY
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 |
|---|---|---|---|---|
| 31, Montague Road366 m away | 119 m² | 296 m² | +177 m² +149% | 2025 |
| 28, Montague Road298 m away | 196 m² | 327 m² | +131 m² +67% | 2026 |
| 18, Penrith Road290 m away | 118 m² | 224 m² | +106 m² +90% | 2026 |
| 2, Beech Avenue757 m away | 76 m² | 173 m² | +97 m² +128% | 2024 |
| 41, Southwood Avenue787 m away | 66 m² | 163 m² | +97 m² +147% | 2024 |
| 26, Browning Avenue533 m away | 133 m² | 227 m² | +94 m² +71% | 2023 |
| 8, Winsley Avenue912 m away | 95 m² | 185 m² | +90 m² +95% | 2024 |
| The Courtyard, 19, Somerset Road753 m away | 63 m² | 149 m² | +86 m² +137% | 2020 |
| 2, Byron Road718 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.
| 277 m² |
| 360 m² |
| +83 m² +30% |
| 2018 |
| 7, Cromwell Road702 m away | 59 m² | 142 m² | +83 m² +141% | 2015 |
|---|
| 31, Granville Road478 m away | 78 m² | 157 m² | +79 m² +101% | 2012 |
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| Flat 3, 14, Chessel Avenue611 m away | 153 m² | 231 m² | +78 m² +51% | 2023 |
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| 12a, Southwood Avenue740 m away | 159 m² | 236 m² | +77 m² +48% | 2015 |
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| 1, Winsley Avenue912 m away | 100 m² | 175 m² | +75 m² +75% | 2025 |
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| 2c, Stourwood Avenue995 m away | 165 m² | 240 m² | +75 m² +45% | 2013 |
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| 21, Parkwood Road228 m away | 83 m² | 157 m² | +74 m² +89% | 2024 |
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| 18, Portman Road906 m away | 69 m² | 140 m² | +71 m² +103% | 2024 |
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| 10, Portman Crescent391 m away | 192 m² | 258 m² | +66 m² +34% | 2026 |
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| 27, Wolverton Road979 m away | 96 m² | 162 m² | +66 m² +69% | 2022 |
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| 46, Pinecliffe Avenue824 m away | 151 m² | 216 m² | +65 m² +43% | 2015 |
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| Flat 2, Braemar Lodge, 30, Glen Road827 m away | 46 m² | 109 m² | +63 m² +137% | 2014 |
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| 10, Wilfred Road738 m away | 93 m² | 155 m² | +62 m² +67% | 2010 |
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| 20, Southwood Avenue740 m away | 296 m² | 356 m² | +60 m² +20% | 2013 |
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| 50, Browning Avenue201 m away | 233 m² | 291 m² | +58 m² +25% | 2015 |
|---|
| 21, Harvey Road485 m away | 174 m² | 231 m² | +57 m² +33% | 2021 |
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| The Penthouse, Orion Court, 5, Browning Avenue633 m away | 38 m² | 94 m² | +56 m² +147% | 2022 |
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| Flat 5, Avon Lodge, 62 - 66, Southbourne Road725 m away | 38 m² | 91 m² | +53 m² +139% | 2022 |
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| 47, Boscombe Overcliff Drive238 m away | 89 m² | 142 m² | +53 m² +60% | 2020 |
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| 35, Chessel Avenue673 m away | 204 m² | 256 m² | +52 m² +25% | 2026 |
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| 2, Winsley Avenue912 m away | 123 m² | 175 m² | +52 m² +42% | 2022 |
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| 20, Castlemain Avenue879 m away | 192 m² | 243 m² | +51 m² +27% | 2014 |
|---|
| 6a, Harvey Road550 m away | 119 m² | 169 m² | +50 m² +42% | 2022 |
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| The Gallery, 7, Carbery Lane954 m away | 144 m² | 191 m² | +47 m² +33% | 2020 |
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| 17, Somerset Road753 m away | 85 m² | 132 m² | +47 m² +55% | 2015 |
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| 40a, Stourcliffe Avenue951 m away | 90 m² | 135 m² | +45 m² +50% | 2016 |
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| 7a, New Park Road733 m away | 59 m² | 104 m² | +45 m² +76% | 2015 |
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| 30, Southwood Avenue787 m away | 244 m² | 288 m² | +44 m² +18% | 2024 |
|---|
| 12, Ravenscourt Road989 m away | 110 m² | 154 m² | +44 m² +40% | 2021 |
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| 23, Clarence Park Road890 m away | 119 m² | 163 m² | +44 m² +37% | 2020 |
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| 39, Woodside Road377 m away | 89 m² | 130 m² | +41 m² +46% | 2019 |
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| 21a, Livingstone Road456 m away | 40 m² | 81 m² | +41 m² +102% | 2018 |
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| 54, Parkwood Road274 m away | 167 m² | 208 m² | +41 m² +25% | 2012 |
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| 13, Clarence Park Road890 m away | 123 m² | 163 m² | +40 m² +33% | 2019 |
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| 17, Ravine Road123 m away | 94 m² | 134 m² | +40 m² +43% | 2017 |
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| 24, Somerset Road753 m away | 34 m² | 74 m² | +40 m² +118% | 2014 |
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| 36, Chessel Avenue475 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
|---|
| 12a, Portman Road906 m away | 111 m² | 150 m² | +39 m² +35% | 2014 |
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| 54, Stourfield Road445 m away | 63 m² | 102 m² | +39 m² +62% | 2012 |
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| 14c, Carbery Row958 m away | 41 m² | 79 m² | +38 m² +93% | 2022 |
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| Flat 13, Stourview Court, 76, Southbourne Road728 m away | 94 m² | 131 m² | +37 m² +39% | 2024 |
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| 19, Scotter Road909 m away | 116 m² | 152 m² | +36 m² +31% | 2024 |
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| 12, Gloucester Road778 m away | 101 m² | 137 m² | +36 m² +36% | 2019 |
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| 860a, Christchurch Road692 m away | 40 m² | 76 m² | +36 m² +90% | 2017 |
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| 40, Keswick Road383 m away | 186 m² | 221 m² | +35 m² +19% | 2022 |
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| Flat 5, 39, Southbourne Overcliff Drive976 m away | 71 m² | 106 m² | +35 m² +49% | 2010 |
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| Flat 4, 1, Southwood Avenue740 m away | 114 m² | 148 m² | +34 m² +30% | 2025 |
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| Flat 3, 18, Browning Avenue533 m away | 69 m² | 103 m² | +34 m² +49% | 2021 |
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| 14, Fishermans Avenue534 m away | 29 m² | 63 m² | +34 m² +117% | 2012 |
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| Flat 3, 52, Parkwood Road274 m away | 42 m² | 75 m² | +33 m² +79% | 2022 |
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| 1, Sandy Lane938 m away | 85 m² | 118 m² | +33 m² +39% | 2014 |
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| 13, Granville Road420 m away | 143 m² | 175 m² | +32 m² +22% | 2026 |
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| 860, Christchurch Road692 m away | 28 m² | 60 m² | +32 m² +114% | 2016 |
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| 885b, Christchurch Road702 m away | 30 m² | 61 m² | +31 m² +103% | 2021 |
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| 33, Westby Road956 m away | 52 m² | 83 m² | +31 m² +60% | 2021 |
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| 33, Roberts Road914 m away | 79 m² | 110 m² | +31 m² +39% | 2014 |
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| 15, Portman Road908 m away | 143 m² | 173 m² | +30 m² +21% | 2025 |
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| 3a, Southwood Avenue740 m away | 116 m² | 146 m² | +30 m² +26% | 2019 |
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| 11, Beaufort Road837 m away | 127 m² | 157 m² | +30 m² +24% | 2015 |
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| 47a, Darracott Road488 m away | 49 m² | 79 m² | +30 m² +61% | 2009 |
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| 10a, Alexandra Road903 m away | 88 m² | 117 m² | +29 m² +33% | 2024 |
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| Flat 3, 12, Boscombe Cliff Road984 m away | 53 m² | 82 m² | +29 m² +55% | 2021 |
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| 9, Pauncefote Road417 m away | 113 m² | 142 m² | +29 m² +26% | 2020 |
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| Flat 1, 35, Westby Road956 m away | 62 m² | 91 m² | +29 m² +47% | 2019 |
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| 2, Browning Avenue533 m away | 57 m² | 86 m² | +29 m² +51% | 2011 |
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| 10, Wheaton Road845 m away | 89 m² | 117 m² | +28 m² +31% | 2022 |
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| 47, Darracott Road488 m away | 48 m² | 76 m² | +28 m² +58% | 2019 |
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| Flat 2, 10, Crabton Close Road716 m away | 42 m² | 70 m² | +28 m² +67% | 2014 |
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| 12, Warwick Road746 m away | 122 m² | 149 m² | +27 m² +22% | 2025 |
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| 3, Bracken Road753 m away | 57 m² | 84 m² | +27 m² +47% | 2017 |
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| 24, Harcourt Road595 m away | 103 m² | 130 m² | +27 m² +26% | 2016 |
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| 14, Percy Road971 m away | 136 m² | 163 m² | +27 m² +20% | 2014 |
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| Flat 5, Meade Court, 27, Southbourne Road725 m away | 50 m² | 77 m² | +27 m² +54% | 2012 |
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| 10, Wyncombe Road743 m away | 78 m² | 104 m² | +26 m² +33% | 2023 |
|---|
| 10a, Beresford Road625 m away | 93 m² | 119 m² | +26 m² +28% | 2021 |
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| 115a, Seabourne Road572 m away | 122 m² | 148 m² | +26 m² +21% | 2020 |
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| 3, Rotherfield Road312 m away | 153 m² | 179 m² | +26 m² +17% | 2017 |
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| Flat 8, 48, Westby Road777 m away | 55 m² | 81 m² | +26 m² +47% | 2017 |
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| Flat 5, Darwin Court, 9, Florence Road999 m away | 22 m² | 48 m² | +26 m² +118% | 2015 |
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| 837 - 839, Christchurch Road652 m away | 44 m² | 70 m² | +26 m² +59% | 2009 |
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| 18, York Place829 m away | 110 m² | 135 m² | +25 m² +23% | 2024 |
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| Flat 2, 19, Florence Road999 m away | 48 m² | 73 m² | +25 m² +52% | 2022 |
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| 3, Harvey Road485 m away | 141 m² | 166 m² | +25 m² +18% | 2021 |
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| Flat 4, Thorn Court, 30, Warwick Road875 m away | 31 m² | 56 m² | +25 m² +81% | 2020 |
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| Flat 3, 45, Southbourne Road725 m away | 63 m² | 88 m² | +25 m² +40% | 2016 |
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| 10, Arnewood Road897 m away | 119 m² | 144 m² | +25 m² +21% | 2016 |
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| 27, Rebbeck Road994 m away | 78 m² | 103 m² | +25 m² +32% | 2013 |
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| 38, Ravine Road156 m away | 90 m² | 115 m² | +25 m² +28% | 2009 |
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| 4b, Pine Avenue609 m away | 89 m² | 113 m² | +24 m² +27% | 2024 |
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| Flat 4, 34, Grand Avenue655 m away | 32 m² | 56 m² | +24 m² +75% | 2020 |
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| 8, Cambridge House, 5, Florence Road999 m away | 26 m² | 50 m² | +24 m² +92% | 2018 |
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| 15, St James'S Square586 m away | 108 m² | 132 m² | +24 m² +22% | 2016 |
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| 4, Deans Road601 m away | 146 m² | 170 m² | +24 m² +16% | 2016 |
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| 14, Rosebery Road600 m away | 112 m² | 136 m² | +24 m² +21% | 2014 |
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| 15, Sunnyhill Road876 m away | 121 m² | 145 m² | +24 m² +20% | 2014 |
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| 61, Southbourne Road819 m away | 43 m² | 67 m² | +24 m² +56% | 2012 |
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| 13, Ravine Road123 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| Flat 5, 6a, Keswick Road548 m away | 57 m² | 80 m² | +23 m² +40% | 2019 |
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| Flat 2, 43, Southwood Avenue787 m away | 63 m² | 86 m² | +23 m² +37% | 2018 |
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| 6, Hannington Road795 m away | 95 m² | 118 m² | +23 m² +24% | 2016 |
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| Flat 2, Sea Mansions, 7, Southbourne Overcliff Drive731 m away | 63 m² | 86 m² | +23 m² +37% | 2015 |
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| Flat 1, Darwin Court, 9, Florence Road999 m away | 26 m² | 49 m² | +23 m² +88% | 2015 |
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| 36, York Place829 m away | 81 m² | 103 m² | +22 m² +27% | 2022 |
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| Flat 1, 866, Christchurch Road692 m away | 85 m² | 107 m² | +22 m² +26% | 2021 |
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| Flat 12, 86, Southbourne Road819 m away | 48 m² | 70 m² | +22 m² +46% | 2019 |
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| 2, Cambridge House, 5, Florence Road999 m away | 28 m² | 50 m² | +22 m² +79% | 2018 |
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| Flat 2, Darwin Court, 9, Florence Road999 m away | 26 m² | 48 m² | +22 m² +85% | 2015 |
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| 26, College Road79 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
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| Flat 7, 10, Crabton Close Road716 m away | 48 m² | 70 m² | +22 m² +46% | 2014 |
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| 30, Clarence Park Road969 m away | 91 m² | 113 m² | +22 m² +24% | 2013 |
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| Flat 1, 16, Florence Road972 m away | 48 m² | 70 m² | +22 m² +46% | 2010 |
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| 33, Pinecliffe Avenue879 m away | 25 m² | 47 m² | +22 m² +88% | 2009 |
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| 5, Sunnyhill Road776 m away | 127 m² | 148 m² | +21 m² +17% | 2024 |
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| 24b, Chessel Avenue611 m away | 66 m² | 87 m² | +21 m² +32% | 2022 |
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| Flat 2, 18, Browning Avenue533 m away | 72 m² | 93 m² | +21 m² +29% | 2021 |
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| 45, Clarence Park Road982 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
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| 6, Beech Avenue757 m away | 57 m² | 78 m² | +21 m² +37% | 2020 |
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| Flat 7, Abingdon House, 26, Florence Road972 m away | 72 m² | 93 m² | +21 m² +29% | 2020 |
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| Flat 6, 26, Crabton Close Road674 m away | 83 m² | 104 m² | +21 m² +25% | 2017 |
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| Flat 1, 842, Christchurch Road692 m away | 57 m² | 78 m² | +21 m² +37% | 2013 |
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| 41, Stourcliffe Avenue914 m away | 46 m² | 67 m² | +21 m² +46% | 2012 |
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| 30, Southbourne Road830 m away | 127 m² | 148 m² | +21 m² +17% | 2009 |
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| 10a, Glen Road991 m away | 102 m² | 122 m² | +20 m² +20% | 2026 |
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| Flat 3, Fishermans Vista, 30, Montague Road298 m away | 77 m² | 97 m² | +20 m² +26% | 2022 |
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| 7a, Carbery Lane954 m away | 94 m² | 114 m² | +20 m² +21% | 2021 |
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| 28, Oxford Avenue780 m away | 90 m² | 110 m² | +20 m² +22% | 2017 |
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| Flat 7, 42, Hawkwood Road806 m away | 43 m² | 63 m² | +20 m² +47% | 2015 |
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| Flat 5, 31, Parkwood Road228 m away | 42 m² | 62 m² | +20 m² +48% | 2014 |
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| 102, Parkwood Road425 m away | 120 m² | 140 m² | +20 m² +17% | 2014 |
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| Flat 5, Dovestones, 43, Parkwood Road228 m away | 70 m² | 90 m² | +20 m² +29% | 2013 |
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| Flat 5, 156, Parkwood Road624 m away | 64 m² | 84 m² | +20 m² +31% | 2010 |
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| Lovett Mews, 716, Christchurch Road781 m away | 52 m² | 71 m² | +19 m² +37% | 2025 |
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| 15, Queensland Road604 m away | 64 m² | 83 m² | +19 m² +30% | 2024 |
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| Flat 1, Carlinford, 26, Boscombe Cliff Road801 m away | 95 m² | 114 m² | +19 m² +20% | 2023 |
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| Flat 4, Victoria Court 26-32, Grand Avenue655 m away | 87 m² | 106 m² | +19 m² +22% | 2020 |
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| 16, Cromwell Road702 m away | 80 m² | 99 m² | +19 m² +24% | 2019 |
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| 49a, Southbourne Road728 m away | 47 m² | 66 m² | +19 m² +40% | 2019 |
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| 78, Wheaton Road877 m away | 83 m² | 101 m² | +18 m² +22% | 2024 |
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| 102, Gladstone Road East932 m away | 88 m² | 106 m² | +18 m² +20% | 2021 |
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| 3, Cambridge House, 5, Florence Road999 m away | 33 m² | 51 m² | +18 m² +55% | 2018 |
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| 11a, Colville Road582 m away | 81 m² | 99 m² | +18 m² +22% | 2016 |
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| 32, Stourvale Road752 m away | 84 m² | 102 m² | +18 m² +21% | 2016 |
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| 8a, Morley Road640 m away | 95 m² | 113 m² | +18 m² +19% | 2014 |
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| Flat 1, 14, Chessel Avenue611 m away | 69 m² | 87 m² | +18 m² +26% | 2013 |
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| 4, Cromwell Road702 m away | 68 m² | 86 m² | +18 m² +26% | 2013 |
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| Flat 10, Carlinford, 26, Boscombe Cliff Road801 m away | 78 m² | 95 m² | +17 m² +22% | 2023 |
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| Flat 7, The Lighthouse, 28, Stourcliffe Avenue879 m away | 43 m² | 60 m² | +17 m² +40% | 2023 |
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| 3a, Seaward Avenue526 m away | 49 m² | 66 m² | +17 m² +35% | 2020 |
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| 62, Wolverton Road979 m away | 33 m² | 50 m² | +17 m² +52% | 2018 |
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| 124, Haviland Road East833 m away | 53 m² | 70 m² | +17 m² +32% | 2014 |
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| 12, Portman Road906 m away | 81 m² | 98 m² | +17 m² +21% | 2014 |
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| Flat 1, Melbourne Court, 46, Seabourne Road666 m away | 44 m² | 61 m² | +17 m² +39% | 2012 |
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| 3, Cromwell Place715 m away | 78 m² | 94 m² | +16 m² +21% | 2025 |
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| Flat 3, 23, Boscombe Overcliff Drive385 m away | 62 m² | 78 m² | +16 m² +26% | 2023 |
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| 8, Stourcliffe Avenue879 m away | 32 m² | 48 m² | +16 m² +50% | 2021 |
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| 56b, Wolverton Road979 m away | 40 m² | 56 m² | +16 m² +40% | 2021 |
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| 13, St James'S Square586 m away | 103 m² | 119 m² | +16 m² +16% | 2020 |
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| Flat 3, 18, Beresford Road625 m away | 32 m² | 48 m² | +16 m² +50% | 2019 |
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| 40a, Oxford Avenue827 m away | 82 m² | 98 m² | +16 m² +20% | 2018 |
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| 28, Pine Avenue799 m away | 106 m² | 122 m² | +16 m² +15% | 2015 |
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| Flat 6, Colonade Court, 651 - 653, Christchurch Road965 m away | 52 m² | 68 m² | +16 m² +31% | 2014 |
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| Flat 1, 16, Rosebery Road600 m away | 98 m² | 114 m² | +16 m² +16% | 2013 |
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| Rebbeck Mews, 6, Rebbeck Road994 m away | 53 m² | 69 m² | +16 m² +30% | 2012 |
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| 826, Christchurch Road688 m away | 39 m² | 55 m² | +16 m² +41% | 2011 |
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| 112b, Haviland Road931 m away | 48 m² | 64 m² | +16 m² +33% | 2009 |
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| 18, New Park Road733 m away | 80 m² | 95 m² | +15 m² +19% | 2026 |
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| Flat 4, 45, Grand Avenue655 m away | 91 m² | 106 m² | +15 m² +16% | 2024 |
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| Flat 1, 6, Westby Road929 m away | 56 m² | 71 m² | +15 m² +27% | 2024 |
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| Flat 6, Grand Court, 14, Grand Avenue655 m away | 51 m² | 66 m² | +15 m² +29% | 2023 |
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| 14, Shelley Manor, Shelley Park611 m away | 92 m² | 107 m² | +15 m² +16% | 2021 |
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| Flat 17, Haviland Place, 90 - 96, Haviland Road931 m away | 57 m² | 72 m² | +15 m² +26% | 2021 |
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| 29, Granville Road478 m away | 96 m² | 111 m² | +15 m² +16% | 2020 |
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| 9a, Rosebery Road600 m away | 82 m² | 97 m² | +15 m² +18% | 2020 |
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| Flat 1, St. Michaels Court, 54, Southbourne Grove755 m away | 64 m² | 79 m² | +15 m² +23% | 2019 |
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| 744, Christchurch Road781 m away | 33 m² | 48 m² | +15 m² +45% | 2019 |
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| Flat 5, 92, Southbourne Road927 m away | 45 m² | 60 m² | +15 m² +33% | 2019 |
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| 846, Christchurch Road692 m away | 32 m² | 47 m² | +15 m² +47% | 2009 |
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