Finding extended homes…
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Homes within 1 km whose energy certificates show the floor area growing: extensions, loft and garage conversions. Tap a home on the map or in the list for its full history. Back to BH4 8AD
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 |
|---|---|---|---|---|
| 4, Tower Road West978 m away | 190 m² | 434 m² | +244 m² +128% | 2024 |
| 34, West Overcliff Drive216 m away | 403 m² | 608 m² | +205 m² +51% | 2011 |
| 48a, The Avenue961 m away | 257 m² | 457 m² | +200 m² +78% | 2020 |
| 25a, The Avenue858 m away | 204 m² | 397 m² | +193 m² +95% | 2023 |
| 20a, West Overcliff Drive316 m away | 190 m² | 315 m² | +125 m² +66% | 2026 |
| Kenora, 6, Pinewood Road725 m away | 144 m² | 247 m² | +103 m² +72% | 2011 |
| 140, Alumhurst Road471 m away | 160 m² | 262 m² | +102 m² +64% | 2023 |
| 15, Westminster Road924 m away | 225 m² | 321 m² | +96 m² +43% | 2018 |
| 99a, Alumhurst Road364 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.
| 97 m² |
| 189 m² |
| +92 m² +95% |
| 2022 |
| 30, Westminster Road826 m away | 261 m² | 337 m² | +76 m² +29% | 2026 |
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| 20, Cassel Avenue590 m away | 217 m² | 292 m² | +75 m² +35% | 2024 |
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| 19, Alumdale Road347 m away | 128 m² | 199 m² | +71 m² +55% | 2023 |
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| 18, Branksome Dene Road562 m away | 142 m² | 213 m² | +71 m² +50% | 2011 |
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| 63, Alumhurst Road539 m away | 136 m² | 200 m² | +64 m² +47% | 2021 |
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| 23, Wharfdale Road981 m away | 149 m² | 210 m² | +61 m² +41% | 2015 |
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| 43a, West Cliff Road374 m away | 122 m² | 178 m² | +56 m² +46% | 2015 |
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| 12, Alum Chine Road725 m away | 95 m² | 150 m² | +55 m² +58% | 2014 |
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| 38, Burnaby Road308 m away | 123 m² | 177 m² | +54 m² +44% | 2026 |
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| 33b, Alumhurst Road694 m away | 93 m² | 147 m² | +54 m² +58% | 2026 |
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| 9, Herbert Road625 m away | 233 m² | 286 m² | +53 m² +23% | 2014 |
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| Flat 2, 30, R L Stevenson Avenue786 m away | 128 m² | 181 m² | +53 m² +41% | 2014 |
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| Flat 1, Clieveden, 36, The Avenue911 m away | 184 m² | 235 m² | +51 m² +28% | 2026 |
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| 16, Alumdale Road347 m away | 152 m² | 203 m² | +51 m² +34% | 2017 |
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| 9, Cassel Avenue491 m away | 197 m² | 247 m² | +50 m² +25% | 2021 |
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| Flat 7, 19, Mckinley Road150 m away | 143 m² | 192 m² | +49 m² +34% | 2025 |
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| Flat 1, 26, Westbourne Park Road772 m away | 88 m² | 136 m² | +48 m² +55% | 2017 |
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| 14, Mountbatten Road583 m away | 184 m² | 230 m² | +46 m² +25% | 2018 |
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| 53, Alumhurst Road539 m away | 139 m² | 185 m² | +46 m² +33% | 2014 |
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| Flat 23, The Pantechnicon, 2, Seamoor Road866 m away | 50 m² | 95 m² | +45 m² +90% | 2024 |
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| 2, Branksome Dene Road562 m away | 164 m² | 208 m² | +44 m² +27% | 2019 |
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| 6, South View Place934 m away | 33 m² | 76 m² | +43 m² +130% | 2013 |
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| Flat 19, Cedar Manor, 19 - 21, Poole Road722 m away | 95 m² | 137 m² | +42 m² +44% | 2026 |
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| 17, Purbeck Road965 m away | 178 m² | 219 m² | +41 m² +23% | 2016 |
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| Flat 6, 9, Alumhurst Road852 m away | 34 m² | 75 m² | +41 m² +121% | 2012 |
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| 2, Clarendon Road639 m away | 120 m² | 160 m² | +40 m² +33% | 2025 |
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| 81, Alumhurst Road364 m away | 135 m² | 174 m² | +39 m² +29% | 2020 |
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| 4, Wellwood Close985 m away | 152 m² | 191 m² | +39 m² +26% | 2011 |
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| Flat 2, Westcliff Apartments, 131, West Hill Road959 m away | 67 m² | 106 m² | +39 m² +58% | 2010 |
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| Flat 1, 10, Mckinley Road134 m away | 152 m² | 190 m² | +38 m² +25% | 2023 |
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| Flat 8, Clive Court, 23, Marlborough Road657 m away | 49 m² | 87 m² | +38 m² +78% | 2021 |
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| Flat 6, Chalbury, 34, The Avenue915 m away | 58 m² | 96 m² | +38 m² +66% | 2011 |
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| 15, Chine Grange, 8, Chine Crescent Road513 m away | 46 m² | 83 m² | +37 m² +80% | 2025 |
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| 23, Queens Road830 m away | 29 m² | 66 m² | +37 m² +128% | 2019 |
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| Tower House Hotel, West Cliff Gardens744 m away | 49 m² | 85 m² | +36 m² +73% | 2023 |
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| Flat 5, West Cliff House, 45, West Cliff Road374 m away | 52 m² | 87 m² | +35 m² +67% | 2013 |
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| Flat 19, Ladywell, 1, Tower Road751 m away | 101 m² | 136 m² | +35 m² +35% | 2012 |
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| Flat 11, Chine Reach, 15, Warren Road555 m away | 52 m² | 86 m² | +34 m² +65% | 2011 |
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| Flat 10, Broadlands, 10, Marlborough Road561 m away | 55 m² | 88 m² | +33 m² +60% | 2023 |
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| 21, South View Place934 m away | 27 m² | 60 m² | +33 m² +122% | 2009 |
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| 4, Branksome Dene Road562 m away | 163 m² | 195 m² | +32 m² +20% | 2014 |
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| 9, Alum Chine Road769 m away | 106 m² | 138 m² | +32 m² +30% | 2014 |
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| 1, Granville Mews, 22a, Alum Chine Road725 m away | 62 m² | 93 m² | +31 m² +50% | 2023 |
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| Flat 4, 4, Haydon Road760 m away | 89 m² | 120 m² | +31 m² +35% | 2017 |
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| 3, Isabel Court, 7, Cambridge Road954 m away | 39 m² | 70 m² | +31 m² +79% | 2013 |
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| 6, Hampton Lodge, 23, Poole Road723 m away | 58 m² | 89 m² | +31 m² +53% | 2012 |
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| Flat 31, Grand Marine Court, Durley Gardens673 m away | 42 m² | 72 m² | +30 m² +71% | 2018 |
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| 32, Purbeck Road965 m away | 158 m² | 188 m² | +30 m² +19% | 2016 |
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| Flat 26, Ashton Court, 46, Western Road998 m away | 58 m² | 88 m² | +30 m² +52% | 2013 |
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| Flat 1, Chinebridge, 37, Beaulieu Road335 m away | 88 m² | 118 m² | +30 m² +34% | 2010 |
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| 38, Purbeck Road965 m away | 166 m² | 195 m² | +29 m² +17% | 2022 |
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| Flat 2, Alum Chine View, 12, Studland Road246 m away | 54 m² | 83 m² | +29 m² +54% | 2021 |
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| Flat 1, 7, Alum Chine Road769 m away | 88 m² | 117 m² | +29 m² +33% | 2014 |
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| Flat 2, 6, Pembroke Road642 m away | 38 m² | 66 m² | +28 m² +74% | 2025 |
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| Flat 7, Lythe Place, 22, West Overcliff Drive316 m away | 64 m² | 92 m² | +28 m² +44% | 2022 |
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| 33c, Alumhurst Road694 m away | 96 m² | 124 m² | +28 m² +29% | 2017 |
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| 3, West Hill Road855 m away | 70 m² | 97 m² | +27 m² +39% | 2025 |
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| Flat 4, Stevenson Court, 11, R L Stevenson Avenue859 m away | 23 m² | 50 m² | +27 m² +117% | 2025 |
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| 13, Durley Road South684 m away | 70 m² | 97 m² | +27 m² +39% | 2023 |
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| Flat 2, The Chines, 18, Mckinley Road79 m away | 126 m² | 153 m² | +27 m² +21% | 2019 |
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| Flat 5, The Peak, 64 - 68, Norwich Avenue West849 m away | 42 m² | 68 m² | +26 m² +62% | 2025 |
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| Flat 3, Alum Towers, 50, Alumhurst Road729 m away | 45 m² | 71 m² | +26 m² +58% | 2022 |
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| Flat 17, Durley Chine Court, 36, West Cliff Road525 m away | 105 m² | 131 m² | +26 m² +25% | 2021 |
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| Flat 4, Wilton House, 4, Alum Chine Road832 m away | 57 m² | 83 m² | +26 m² +46% | 2015 |
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| Flat 3, 54, Alum Chine Road779 m away | 64 m² | 90 m² | +26 m² +41% | 2013 |
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| Flat 1, Mildenhall, 25, West Cliff Road354 m away | 61 m² | 86 m² | +25 m² +41% | 2024 |
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| Flat 6, Grason, Westminster Road924 m away | 102 m² | 127 m² | +25 m² +25% | 2021 |
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| 44, Western Road998 m away | 107 m² | 132 m² | +25 m² +23% | 2021 |
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| 6, Branksome Towers852 m away | 134 m² | 159 m² | +25 m² +19% | 2020 |
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| 12, Cerne Abbas, 46, The Avenue951 m away | 158 m² | 183 m² | +25 m² +16% | 2020 |
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| Flat 1, Pine Tree Court, 6, Pine Tree Glen888 m away | 64 m² | 89 m² | +25 m² +39% | 2012 |
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| 12, Herbert Road625 m away | 145 m² | 169 m² | +24 m² +17% | 2023 |
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| Flat 47, Westerngate, 11, The Avenue892 m away | 71 m² | 95 m² | +24 m² +34% | 2022 |
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| Flat 18, Chine Mansions, 6, Chine Crescent Road471 m away | 63 m² | 87 m² | +24 m² +38% | 2019 |
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| Flat 8, Wilton House, 4, Alum Chine Road832 m away | 64 m² | 88 m² | +24 m² +38% | 2015 |
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| 5, Westgate Park, 28, Alumhurst Road954 m away | 91 m² | 115 m² | +24 m² +26% | 2014 |
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| Flat 18, Crescent Court, 33, Chine Crescent610 m away | 72 m² | 96 m² | +24 m² +33% | 2013 |
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| Flat 1, 16, Purbeck Road965 m away | 34 m² | 58 m² | +24 m² +71% | 2011 |
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| Flat 2, Skerryvore Court, 63, Alum Chine Road718 m away | 47 m² | 70 m² | +23 m² +49% | 2024 |
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| Flat 3, 10, Mckinley Road134 m away | 123 m² | 146 m² | +23 m² +19% | 2023 |
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| 66, Homewaye House, 10, Pine Tree Glen832 m away | 41 m² | 64 m² | +23 m² +56% | 2023 |
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| Flat 4, 24, Herbert Road625 m away | 31 m² | 54 m² | +23 m² +74% | 2019 |
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| Flat 1, 14, Pinewood Road725 m away | 83 m² | 106 m² | +23 m² +28% | 2018 |
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| 14a, Pembroke Road642 m away | 90 m² | 112 m² | +22 m² +24% | 2025 |
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| 4, Pembroke Road642 m away | 24 m² | 46 m² | +22 m² +92% | 2023 |
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| Flat 3, The Beeches, 26, Westminster Road800 m away | 61 m² | 83 m² | +22 m² +36% | 2023 |
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| Flat 25, Grand Marine Court, Durley Gardens673 m away | 122 m² | 144 m² | +22 m² +18% | 2021 |
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| Flat 2, Chester House, 16, Durley Chine Road729 m away | 77 m² | 99 m² | +22 m² +29% | 2019 |
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| Flat 6, Crescent Court, 33, Chine Crescent610 m away | 74 m² | 96 m² | +22 m² +30% | 2013 |
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| Flat 1, Chine View, 5, Westminster Road941 m away | 123 m² | 145 m² | +22 m² +18% | 2013 |
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| 27, Durley Chine Road South597 m away | 98 m² | 120 m² | +22 m² +22% | 2011 |
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| Cellar Bar, 73, Seamoor Road970 m away | 65 m² | 87 m² | +22 m² +34% | 2008 |
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| Flat 2, Caerlyon House, 11, Burnaby Road320 m away | 136 m² | 157 m² | +21 m² +15% | 2022 |
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| Flat 3, Grosvenor Hall, 19, Grosvenor Road716 m away | 90 m² | 111 m² | +21 m² +23% | 2016 |
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| 69, West Hill Road883 m away | 54 m² | 75 m² | +21 m² +39% | 2015 |
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| 28, R L Stevenson Avenue786 m away | 80 m² | 101 m² | +21 m² +26% | 2014 |
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| Flat 1, 42, Westbourne Park Road712 m away | 34 m² | 54 m² | +20 m² +59% | 2025 |
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| Flat 6, Nightingales, 5, Milner Road0 m away | 101 m² | 121 m² | +20 m² +20% | 2023 |
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| Flat 1, 22, Burnaby Road320 m away | 63 m² | 83 m² | +20 m² +32% | 2020 |
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| Flat 6, 14, Pinewood Road725 m away | 68 m² | 88 m² | +20 m² +29% | 2018 |
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| 27, Wharfdale Road981 m away | 98 m² | 118 m² | +20 m² +20% | 2015 |
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| Flat 6, 11, Alumhurst Road852 m away | 55 m² | 75 m² | +20 m² +36% | 2012 |
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| Flat 20, St James Court, 26, The Avenue985 m away | 100 m² | 119 m² | +19 m² +19% | 2026 |
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| Flat 4, 6, Pembroke Road642 m away | 19 m² | 38 m² | +19 m² +100% | 2025 |
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| Flat 2, 2, Westbourne Park Road772 m away | 71 m² | 90 m² | +19 m² +27% | 2025 |
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| Flat 9, Marlborough Court, 16, Marlborough Road561 m away | 40 m² | 59 m² | +19 m² +48% | 2023 |
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| Flat 2, 19, Alumhurst Road852 m away | 40 m² | 59 m² | +19 m² +48% | 2022 |
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| Flat 1, St Georges Gate, 43, Norwich Avenue West916 m away | 49 m² | 68 m² | +19 m² +39% | 2019 |
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| Flat 2, Oakwood House 117-119, West Hill Road959 m away | 51 m² | 70 m² | +19 m² +37% | 2019 |
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| 45, Norwich Avenue West876 m away | 52 m² | 71 m² | +19 m² +37% | 2014 |
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| Flat 3, Branksea Grange, 23, The Avenue810 m away | 111 m² | 130 m² | +19 m² +17% | 2013 |
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| Flat 1, Headinglea, 5, The Avenue980 m away | 98 m² | 116 m² | +18 m² +18% | 2023 |
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| Flat 5, Hays On The Chine, 4 - 6, Studland Road246 m away | 80 m² | 98 m² | +18 m² +23% | 2021 |
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| Flat 11, Royal Victoria Apartments, 17, Poole Road717 m away | 74 m² | 92 m² | +18 m² +24% | 2019 |
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| 34, Alumhurst Road954 m away | 45 m² | 63 m² | +18 m² +40% | 2018 |
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| Flat 4, Westcliff Apartments, 131, West Hill Road959 m away | 56 m² | 74 m² | +18 m² +32% | 2018 |
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| Flat 2, Poole Hill Mews, 4, Upper Norwich Road960 m away | 45 m² | 63 m² | +18 m² +40% | 2013 |
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| Flat 17, Tower Court, 14, West Cliff Road875 m away | 55 m² | 72 m² | +17 m² +31% | 2024 |
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| Flat 13, Bay View Mews, 14a, West Cliff Road880 m away | 66 m² | 83 m² | +17 m² +26% | 2024 |
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| Flat 15, Fountain Court, 13, The Avenue851 m away | 108 m² | 125 m² | +17 m² +16% | 2023 |
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| Flat 3, Cransley Court, 18, Portarlington Road400 m away | 50 m² | 67 m² | +17 m² +34% | 2022 |
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| Flat 13, Crag Hall, 15-17, Durley Gardens637 m away | 17 m² | 34 m² | +17 m² +100% | 2022 |
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| Flat 6, Alexandra Court, 4, Pine Tree Glen888 m away | 71 m² | 88 m² | +17 m² +24% | 2020 |
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| 11, Rosemount Road393 m away | 58 m² | 75 m² | +17 m² +29% | 2015 |
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| 24, Alum Chine Road725 m away | 101 m² | 118 m² | +17 m² +17% | 2014 |
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| Flat 10, Branksea Grange, 23, The Avenue810 m away | 113 m² | 130 m² | +17 m² +15% | 2013 |
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| Flat 3, Burnaby House, 34, Burnaby Road308 m away | 71 m² | 87 m² | +16 m² +23% | 2026 |
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| 41, Norwich Road976 m away | 104 m² | 120 m² | +16 m² +15% | 2026 |
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| Mansfield Hotel, West Cliff Gardens749 m away | 38 m² | 54 m² | +16 m² +42% | 2025 |
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| 8, South View Place934 m away | 106 m² | 122 m² | +16 m² +15% | 2024 |
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| Flat 1, Westcliff Apartments, 131, West Hill Road959 m away | 60 m² | 76 m² | +16 m² +27% | 2024 |
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| 3, Royal Victoria Mews681 m away | 91 m² | 107 m² | +16 m² +18% | 2023 |
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| Flat 4, The Gables, 2, Pine Tree Glen888 m away | 61 m² | 77 m² | +16 m² +26% | 2023 |
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| Flat 7, Palermo Court, 3, Durley Chine Road733 m away | 32 m² | 48 m² | +16 m² +50% | 2021 |
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| Flat 6, Pembroke Place, 70 - 72, Alumhurst Road588 m away | 47 m² | 63 m² | +16 m² +34% | 2020 |
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| Flat 4, Toorak, 3, Clarendon Road475 m away | 80 m² | 96 m² | +16 m² +20% | 2019 |
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| Flat 13, Norwich Court, 43, Norwich Road976 m away | 50 m² | 66 m² | +16 m² +32% | 2018 |
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| Flat 5, Grosvenor Hall, 19, Grosvenor Road716 m away | 95 m² | 111 m² | +16 m² +17% | 2016 |
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| Flat 3, Chine Crescent House, 12, Chine Crescent Road558 m away | 87 m² | 103 m² | +16 m² +18% | 2014 |
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| 58c, R L Stevenson Avenue786 m away | 28 m² | 44 m² | +16 m² +57% | 2014 |
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| Flat 5, Beverley Grange, 30, Portarlington Road485 m away | 56 m² | 72 m² | +16 m² +29% | 2013 |
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| Flat 6, Albermarle, 11, Marlborough Road666 m away | 71 m² | 87 m² | +16 m² +23% | 2010 |
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| 28, Homewaye House, 10, Pine Tree Glen832 m away | 30 m² | 45 m² | +15 m² +50% | 2023 |
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| Sea Mist, 16, Studland Road246 m away | 65 m² | 80 m² | +15 m² +23% | 2022 |
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| 13, Queens Road830 m away | 70 m² | 85 m² | +15 m² +21% | 2022 |
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| Flat 3, 12, Alumhurst Road954 m away | 35 m² | 50 m² | +15 m² +43% | 2022 |
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| Flat 2, Magnolia Court, 1, Clarendon Road639 m away | 87 m² | 102 m² | +15 m² +17% | 2021 |
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| Flat 8, The Boltons, 9, Durley Chine Road South597 m away | 42 m² | 57 m² | +15 m² +36% | 2019 |
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| 30, Norwich Avenue915 m away | 88 m² | 103 m² | +15 m² +17% | 2019 |
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| Flat 2, Mountbatten Lodge, 83, Alumhurst Road364 m away | 54 m² | 69 m² | +15 m² +28% | 2018 |
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| Flat 8, Haven View, 32, Burnaby Road308 m away | 60 m² | 75 m² | +15 m² +25% | 2015 |
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| Flat 2, The Chine, 28 - 32, Studland Road246 m away | 60 m² | 75 m² | +15 m² +25% | 2014 |
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| Flat 13, Arncott Hall, 13, Poole Road724 m away | 42 m² | 57 m² | +15 m² +36% | 2012 |
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| The Coach House, 4, Somerville Road753 m away | 28 m² | 43 m² | +15 m² +54% | 2011 |
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