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 8DX
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 |
|---|---|---|---|---|
| 34, West Overcliff Drive545 m away | 403 m² | 608 m² | +205 m² +51% | 2011 |
| 20a, West Overcliff Drive931 m away | 190 m² | 315 m² | +125 m² +66% | 2026 |
| 24, Erpingham Road974 m away | 219 m² | 323 m² | +104 m² +47% | 2015 |
| Kenora, 6, Pinewood Road988 m away | 144 m² | 247 m² | +103 m² +72% | 2011 |
| 41, Western Road874 m away | 267 m² | 367 m² | +100 m² +37% | 2026 |
| 8, Forest Road842 m away | 125 m² | 224 m² | +99 m² +79% | 2015 |
| 10, Dorset Road938 m away | 101 m² | 197 m² | +96 m² +95% | 2019 |
| 99a, Alumhurst Road826 m away | 97 m² | 189 m² | +92 m² +95% | 2022 |
| 21a, Burton Road535 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.
| 173 m² |
| 259 m² |
| +86 m² +50% |
| 2024 |
| A home on Chester Road840 m away | 88 m² | 171 m² | +83 m² +94% | 2026 |
|---|
| 1, Dover Close923 m away | 175 m² | 255 m² | +80 m² +46% | 2017 |
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| 12, Erpingham Road974 m away | 172 m² | 251 m² | +79 m² +46% | 2025 |
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| Flat 1, 17, Snowdon Road517 m away | 101 m² | 178 m² | +77 m² +76% | 2015 |
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| 20, Cassel Avenue928 m away | 217 m² | 292 m² | +75 m² +35% | 2024 |
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| 19, Alumdale Road590 m away | 128 m² | 199 m² | +71 m² +55% | 2023 |
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| 18, Branksome Dene Road632 m away | 142 m² | 213 m² | +71 m² +50% | 2011 |
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| Flat 8, 48, Surrey Road583 m away | 63 m² | 132 m² | +69 m² +110% | 2013 |
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| 18, Balcombe Road803 m away | 203 m² | 270 m² | +67 m² +33% | 2014 |
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| 63, Alumhurst Road419 m away | 136 m² | 200 m² | +64 m² +47% | 2021 |
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| Flat 1, 24a, Branksome Wood Road787 m away | 70 m² | 134 m² | +64 m² +91% | 2015 |
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| 23, Wharfdale Road675 m away | 149 m² | 210 m² | +61 m² +41% | 2015 |
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| 10, Erpingham Road974 m away | 171 m² | 231 m² | +60 m² +35% | 2026 |
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| 10, Benellen Gardens882 m away | 108 m² | 168 m² | +60 m² +56% | 2015 |
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| 43a, West Cliff Road368 m away | 122 m² | 178 m² | +56 m² +46% | 2015 |
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| 33b, Alumhurst Road258 m away | 93 m² | 147 m² | +54 m² +58% | 2026 |
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| 38, Burnaby Road758 m away | 123 m² | 177 m² | +54 m² +44% | 2026 |
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| Flat 2, 30, R L Stevenson Avenue68 m away | 128 m² | 181 m² | +53 m² +41% | 2014 |
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| 9, Herbert Road516 m away | 233 m² | 286 m² | +53 m² +23% | 2014 |
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| Flat 1, Clieveden, 36, The Avenue726 m away | 184 m² | 235 m² | +51 m² +28% | 2026 |
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| 16, Alumdale Road590 m away | 152 m² | 203 m² | +51 m² +34% | 2017 |
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| 9, Cassel Avenue860 m away | 197 m² | 247 m² | +50 m² +25% | 2021 |
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| Flat 7, 19, Mckinley Road603 m away | 143 m² | 192 m² | +49 m² +34% | 2025 |
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| Flat 1, 26, Westbourne Park Road323 m away | 88 m² | 136 m² | +48 m² +55% | 2017 |
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| 14, Mountbatten Road782 m away | 184 m² | 230 m² | +46 m² +25% | 2018 |
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| 53, Alumhurst Road419 m away | 139 m² | 185 m² | +46 m² +33% | 2014 |
|---|
| Flat 23, The Pantechnicon, 2, Seamoor Road228 m away | 50 m² | 95 m² | +45 m² +90% | 2024 |
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| 2, Branksome Dene Road632 m away | 164 m² | 208 m² | +44 m² +27% | 2019 |
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| 8, Leven Close948 m away | 169 m² | 212 m² | +43 m² +25% | 2026 |
|---|
| Flat 19, Cedar Manor, 19 - 21, Poole Road569 m away | 95 m² | 137 m² | +42 m² +44% | 2026 |
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| 2, Nelson Road610 m away | 169 m² | 210 m² | +41 m² +24% | 2025 |
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| Flat 6, 9, Alumhurst Road159 m away | 34 m² | 75 m² | +41 m² +121% | 2012 |
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| 2, Clarendon Road615 m away | 120 m² | 160 m² | +40 m² +33% | 2025 |
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| 4, The Green944 m away | 191 m² | 231 m² | +40 m² +21% | 2022 |
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| Cellar Bar, 73, Seamoor Road248 m away | 65 m² | 105 m² | +40 m² +62% | 2008 |
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| 81, Alumhurst Road826 m away | 135 m² | 174 m² | +39 m² +29% | 2020 |
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| 4, Wellwood Close900 m away | 152 m² | 191 m² | +39 m² +26% | 2011 |
|---|
| Flat 1, 10, Mckinley Road592 m away | 152 m² | 190 m² | +38 m² +25% | 2023 |
|---|
| Flat 8, Clive Court, 23, Marlborough Road394 m away | 49 m² | 87 m² | +38 m² +78% | 2021 |
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| Flat 6, Chalbury, 34, The Avenue700 m away | 58 m² | 96 m² | +38 m² +66% | 2011 |
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| 15, Chine Grange, 8, Chine Crescent Road818 m away | 46 m² | 83 m² | +37 m² +80% | 2025 |
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| 23, Queens Road717 m away | 29 m² | 66 m² | +37 m² +128% | 2019 |
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| 7, Parklands, 16, Branksome Hill Road979 m away | 132 m² | 169 m² | +37 m² +28% | 2019 |
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| 2, Eaton Road929 m away | 175 m² | 211 m² | +36 m² +21% | 2013 |
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| Flat 5, West Cliff House, 45, West Cliff Road368 m away | 52 m² | 87 m² | +35 m² +67% | 2013 |
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| Flat 19, Ladywell, 1, Tower Road776 m away | 101 m² | 136 m² | +35 m² +35% | 2012 |
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| Flat 11, Chine Reach, 15, Warren Road298 m away | 52 m² | 86 m² | +34 m² +65% | 2011 |
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| Flat 10, Broadlands, 10, Marlborough Road474 m away | 55 m² | 88 m² | +33 m² +60% | 2023 |
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| 14, Oyster Mews, 1 - 3, Forest Road722 m away | 135 m² | 167 m² | +32 m² +24% | 2025 |
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| 9, Alum Chine Road108 m away | 106 m² | 138 m² | +32 m² +30% | 2014 |
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| 4, Branksome Dene Road632 m away | 163 m² | 195 m² | +32 m² +20% | 2014 |
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| 1, Granville Mews, 22a, Alum Chine Road0 m away | 62 m² | 93 m² | +31 m² +50% | 2023 |
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| Flat 4, 4, Haydon Road921 m away | 89 m² | 120 m² | +31 m² +35% | 2017 |
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| 3, Isabel Court, 7, Cambridge Road979 m away | 39 m² | 70 m² | +31 m² +79% | 2013 |
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| 6, Hampton Lodge, 23, Poole Road509 m away | 58 m² | 89 m² | +31 m² +53% | 2012 |
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| Flat 26, Ashton Court, 46, Western Road634 m away | 58 m² | 88 m² | +30 m² +52% | 2013 |
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| Flat 1, Chinebridge, 37, Beaulieu Road699 m away | 88 m² | 118 m² | +30 m² +34% | 2010 |
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| 15, Branksome Hill Road979 m away | 157 m² | 186 m² | +29 m² +18% | 2025 |
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| Flat 2, 2a, Snowdon Road517 m away | 116 m² | 145 m² | +29 m² +25% | 2023 |
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| Flat 2, Alum Chine View, 12, Studland Road889 m away | 54 m² | 83 m² | +29 m² +54% | 2021 |
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| 16, Benellen Avenue908 m away | 139 m² | 168 m² | +29 m² +21% | 2019 |
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| Flat 1, 7, Alum Chine Road108 m away | 88 m² | 117 m² | +29 m² +33% | 2014 |
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| Flat 2, 6, Pembroke Road448 m away | 38 m² | 66 m² | +28 m² +74% | 2025 |
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| Flat 7, Lythe Place, 22, West Overcliff Drive931 m away | 64 m² | 92 m² | +28 m² +44% | 2022 |
|---|
| 33c, Alumhurst Road258 m away | 96 m² | 124 m² | +28 m² +29% | 2017 |
|---|
| Flat D4, Woodside, 55, Surrey Road792 m away | 45 m² | 72 m² | +27 m² +60% | 2026 |
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| Flat 4, Stevenson Court, 11, R L Stevenson Avenue137 m away | 23 m² | 50 m² | +27 m² +117% | 2025 |
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| Flat 5, 39, Nelson Road816 m away | 39 m² | 66 m² | +27 m² +69% | 2021 |
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| Flat 2, The Chines, 18, Mckinley Road770 m away | 126 m² | 153 m² | +27 m² +21% | 2019 |
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| Flat 5, The Peak, 64 - 68, Norwich Avenue West764 m away | 42 m² | 68 m² | +26 m² +62% | 2025 |
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| Flat 2, Chartwell, 8, The Avenue445 m away | 98 m² | 124 m² | +26 m² +27% | 2024 |
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| Flat 3, Alum Towers, 50, Alumhurst Road280 m away | 45 m² | 71 m² | +26 m² +58% | 2022 |
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| Flat 4, Woodland Court, 52, Branksome Wood Road884 m away | 46 m² | 72 m² | +26 m² +57% | 2020 |
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| Flat 4, Wilton House, 4, Alum Chine Road134 m away | 57 m² | 83 m² | +26 m² +46% | 2015 |
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| Flat 3, 54, Alum Chine Road140 m away | 64 m² | 90 m² | +26 m² +41% | 2013 |
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| Flat 1, Mildenhall, 25, West Cliff Road750 m away | 61 m² | 86 m² | +25 m² +41% | 2024 |
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| 44, Western Road634 m away | 107 m² | 132 m² | +25 m² +23% | 2021 |
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| 12, Cerne Abbas, 46, The Avenue943 m away | 158 m² | 183 m² | +25 m² +16% | 2020 |
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| Flat 1, Pine Tree Court, 6, Pine Tree Glen408 m away | 64 m² | 89 m² | +25 m² +39% | 2012 |
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| 12, Herbert Road516 m away | 145 m² | 169 m² | +24 m² +17% | 2023 |
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| Flat 47, Westerngate, 11, The Avenue370 m away | 71 m² | 95 m² | +24 m² +34% | 2022 |
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| 15, The Dene, 17, Forest Road796 m away | 88 m² | 112 m² | +24 m² +27% | 2021 |
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| Flat 18, Chine Mansions, 6, Chine Crescent Road820 m away | 63 m² | 87 m² | +24 m² +38% | 2019 |
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| Flat 8, Wilton House, 4, Alum Chine Road134 m away | 64 m² | 88 m² | +24 m² +38% | 2015 |
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| 5, Westgate Park, 28, Alumhurst Road246 m away | 91 m² | 115 m² | +24 m² +26% | 2014 |
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| 11a, Snowdon Road517 m away | 54 m² | 78 m² | +24 m² +44% | 2012 |
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| Flat 2, Skerryvore Court, 63, Alum Chine Road173 m away | 47 m² | 70 m² | +23 m² +49% | 2024 |
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| 66, Homewaye House, 10, Pine Tree Glen444 m away | 41 m² | 64 m² | +23 m² +56% | 2023 |
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| Flat 3, 10, Mckinley Road592 m away | 123 m² | 146 m² | +23 m² +19% | 2023 |
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| 12, Surrey Gardens524 m away | 115 m² | 138 m² | +23 m² +20% | 2020 |
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| Flat 4, 24, Herbert Road516 m away | 31 m² | 54 m² | +23 m² +74% | 2019 |
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| Flat A1, Woodside, 55, Surrey Road792 m away | 60 m² | 83 m² | +23 m² +38% | 2018 |
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| Flat 1, 14, Pinewood Road988 m away | 83 m² | 106 m² | +23 m² +28% | 2018 |
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| 14a, Pembroke Road448 m away | 90 m² | 112 m² | +22 m² +24% | 2025 |
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| 4, Pembroke Road448 m away | 24 m² | 46 m² | +22 m² +92% | 2023 |
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| Flat 2, Chester House, 16, Durley Chine Road974 m away | 77 m² | 99 m² | +22 m² +29% | 2019 |
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| Flat E4, Woodside, 55, Surrey Road792 m away | 67 m² | 89 m² | +22 m² +33% | 2018 |
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| 27, Durley Chine Road South941 m away | 98 m² | 120 m² | +22 m² +22% | 2011 |
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| 9a, Snowdon Road517 m away | 111 m² | 132 m² | +21 m² +19% | 2026 |
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| The Penthouse, Lawn Court, 9, Surrey Road988 m away | 136 m² | 157 m² | +21 m² +15% | 2023 |
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| Flat 2, Caerlyon House, 11, Burnaby Road928 m away | 136 m² | 157 m² | +21 m² +15% | 2022 |
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| Flat 3, Grosvenor Hall, 19, Grosvenor Road131 m away | 90 m² | 111 m² | +21 m² +23% | 2016 |
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| 28, R L Stevenson Avenue68 m away | 80 m² | 101 m² | +21 m² +26% | 2014 |
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| Flat 1, 42, Westbourne Park Road483 m away | 34 m² | 54 m² | +20 m² +59% | 2025 |
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| Flat 6, Nightingales, 5, Milner Road725 m away | 101 m² | 121 m² | +20 m² +20% | 2023 |
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| Flat 1, 22, Burnaby Road928 m away | 63 m² | 83 m² | +20 m² +32% | 2020 |
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| Flat 6, 14, Pinewood Road988 m away | 68 m² | 88 m² | +20 m² +29% | 2018 |
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| 27, Wharfdale Road675 m away | 98 m² | 118 m² | +20 m² +20% | 2015 |
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| Flat 6, 11, Alumhurst Road159 m away | 55 m² | 75 m² | +20 m² +36% | 2012 |
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| 48a, Branksome Wood Road823 m away | 85 m² | 105 m² | +20 m² +24% | 2010 |
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| Flat 20, St James Court, 26, The Avenue563 m away | 100 m² | 119 m² | +19 m² +19% | 2026 |
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| Flat 2, 2, Westbourne Park Road323 m away | 71 m² | 90 m² | +19 m² +27% | 2025 |
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| Flat 4, 6, Pembroke Road448 m away | 19 m² | 38 m² | +19 m² +100% | 2025 |
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| 15, Brunstead Road907 m away | 89 m² | 108 m² | +19 m² +21% | 2024 |
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| Flat 9, Marlborough Court, 16, Marlborough Road474 m away | 40 m² | 59 m² | +19 m² +48% | 2023 |
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| Flat 2, 19, Alumhurst Road159 m away | 40 m² | 59 m² | +19 m² +48% | 2022 |
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| 49, Branksome Wood Road856 m away | 99 m² | 118 m² | +19 m² +19% | 2020 |
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| Flat 1, St Georges Gate, 43, Norwich Avenue West901 m away | 49 m² | 68 m² | +19 m² +39% | 2019 |
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| Flat 14, Westbourne Court 92-96, Poole Road341 m away | 68 m² | 87 m² | +19 m² +28% | 2015 |
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| 45, Norwich Avenue West747 m away | 52 m² | 71 m² | +19 m² +37% | 2014 |
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| 10, Surrey Gardens524 m away | 107 m² | 126 m² | +19 m² +18% | 2013 |
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| Flat 3, Branksea Grange, 23, The Avenue858 m away | 111 m² | 130 m² | +19 m² +17% | 2013 |
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| Flat 1, Headinglea, 5, The Avenue321 m away | 98 m² | 116 m² | +18 m² +18% | 2023 |
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| Flat 20, Lindsay Manor, 47, Lindsay Road630 m away | 63 m² | 81 m² | +18 m² +29% | 2023 |
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| Flat 5, Hays On The Chine, 4 - 6, Studland Road889 m away | 80 m² | 98 m² | +18 m² +23% | 2021 |
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| Flat 11, Royal Victoria Apartments, 17, Poole Road619 m away | 74 m² | 92 m² | +18 m² +24% | 2019 |
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| Flat 6, Wheaton Grange, 16, Branksome Wood Road869 m away | 71 m² | 89 m² | +18 m² +25% | 2019 |
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| 34, Alumhurst Road246 m away | 45 m² | 63 m² | +18 m² +40% | 2018 |
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| 3, Glenferness Avenue880 m away | 80 m² | 98 m² | +18 m² +23% | 2018 |
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| Flat 15, Fountain Court, 13, The Avenue516 m away | 108 m² | 125 m² | +17 m² +16% | 2023 |
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| Flat 3, Cransley Court, 18, Portarlington Road486 m away | 50 m² | 67 m² | +17 m² +34% | 2022 |
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| Flat 6, Alexandra Court, 4, Pine Tree Glen408 m away | 71 m² | 88 m² | +17 m² +24% | 2020 |
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| 11, Rosemount Road509 m away | 58 m² | 75 m² | +17 m² +29% | 2015 |
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| 24, Alum Chine Road0 m away | 101 m² | 118 m² | +17 m² +17% | 2014 |
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| Flat 10, Branksea Grange, 23, The Avenue858 m away | 113 m² | 130 m² | +17 m² +15% | 2013 |
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| Flat 25, Benellen Towers, 9, Benellen Avenue886 m away | 72 m² | 89 m² | +17 m² +24% | 2011 |
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| Flat 3, Burnaby House, 34, Burnaby Road758 m away | 71 m² | 87 m² | +16 m² +23% | 2026 |
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| Flat 20, Norton Grange, 26, Lindsay Road818 m away | 78 m² | 94 m² | +16 m² +21% | 2024 |
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| 8, Ormonde Road866 m away | 73 m² | 89 m² | +16 m² +22% | 2024 |
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| Flat 4, The Gables, 2, Pine Tree Glen408 m away | 61 m² | 77 m² | +16 m² +26% | 2023 |
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| 3, Royal Victoria Mews602 m away | 91 m² | 107 m² | +16 m² +18% | 2023 |
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| 8, Dorset Road938 m away | 104 m² | 120 m² | +16 m² +15% | 2023 |
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| Flat 5, Bourne River Court, 17, Surrey Road821 m away | 62 m² | 78 m² | +16 m² +26% | 2021 |
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| Flat 7, Palermo Court, 3, Durley Chine Road825 m away | 32 m² | 48 m² | +16 m² +50% | 2021 |
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| Flat 6, Pembroke Place, 70 - 72, Alumhurst Road408 m away | 47 m² | 63 m² | +16 m² +34% | 2020 |
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| Flat 4, Toorak, 3, Clarendon Road591 m away | 80 m² | 96 m² | +16 m² +20% | 2019 |
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| 24e, Surrey Road725 m away | 63 m² | 79 m² | +16 m² +25% | 2019 |
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| Flat 5, Grosvenor Hall, 19, Grosvenor Road131 m away | 95 m² | 111 m² | +16 m² +17% | 2016 |
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| Flat 36, Lindum Court, 66, Princess Road885 m away | 44 m² | 60 m² | +16 m² +36% | 2016 |
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| 58c, R L Stevenson Avenue68 m away | 28 m² | 44 m² | +16 m² +57% | 2014 |
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| Flat 3, Chine Crescent House, 12, Chine Crescent Road819 m away | 87 m² | 103 m² | +16 m² +18% | 2014 |
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| Flat 5, Beverley Grange, 30, Portarlington Road277 m away | 56 m² | 72 m² | +16 m² +29% | 2013 |
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| Flat 6, Albermarle, 11, Marlborough Road739 m away | 71 m² | 87 m² | +16 m² +23% | 2010 |
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| Flat 42, Westbourne Heights, 2 - 6, Prince Of Wales Road469 m away | 60 m² | 76 m² | +16 m² +27% | 2008 |
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| 28, Homewaye House, 10, Pine Tree Glen444 m away | 30 m² | 45 m² | +15 m² +50% | 2023 |
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| Flat 30, Marlborough Court, 92, Princess Road656 m away | 46 m² | 61 m² | +15 m² +33% | 2023 |
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| Flat 3, 12, Alumhurst Road246 m away | 35 m² | 50 m² | +15 m² +43% | 2022 |
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| 13, Queens Road717 m away | 70 m² | 85 m² | +15 m² +21% | 2022 |
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| Sea Mist, 16, Studland Road889 m away | 65 m² | 80 m² | +15 m² +23% | 2022 |
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| Flat 2, Magnolia Court, 1, Clarendon Road615 m away | 87 m² | 102 m² | +15 m² +17% | 2021 |
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| Flat 1, 33, Surrey Road628 m away | 45 m² | 60 m² | +15 m² +33% | 2021 |
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| Flat 8, The Boltons, 9, Durley Chine Road South941 m away | 42 m² | 57 m² | +15 m² +36% | 2019 |
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| 30, Norwich Avenue989 m away | 88 m² | 103 m² | +15 m² +17% | 2019 |
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| Flat 2, Mountbatten Lodge, 83, Alumhurst Road826 m away | 54 m² | 69 m² | +15 m² +28% | 2018 |
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| Flat 8, Haven View, 32, Burnaby Road758 m away | 60 m² | 75 m² | +15 m² +25% | 2015 |
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| Flat 25, Auburn Mansions, 94, Princess Road619 m away | 49 m² | 64 m² | +15 m² +31% | 2014 |
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| Flat 35, Auburn Mansions, 94, Princess Road619 m away | 63 m² | 78 m² | +15 m² +24% | 2014 |
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| Flat 2, The Chine, 28 - 32, Studland Road889 m away | 60 m² | 75 m² | +15 m² +25% | 2014 |
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| Flat 13, Arncott Hall, 13, Poole Road707 m away | 42 m² | 57 m² | +15 m² +36% | 2012 |
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