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 CT9 2JD
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 |
|---|---|---|---|---|
| 60, Northumberland Avenue480 m away | 137 m² | 306 m² | +169 m² +123% | 2023 |
| 16, Omer Avenue576 m away | 102 m² | 240 m² | +138 m² +135% | 2011 |
| 40, Gloucester Avenue767 m away | 129 m² | 255 m² | +126 m² +98% | 2024 |
| 27, Princes Gardens310 m away | 111 m² | 235 m² | +124 m² +112% | 2026 |
| 30, Devonshire Gardens221 m away | 188 m² | 279 m² | +91 m² +48% | 2021 |
| 25, Prices Avenue655 m away | 125 m² | 215 m² | +90 m² +72% | 2021 |
| The Dew, 4, Palm Bay Avenue285 m away | 81 m² | 164 m² | +83 m² +102% | 2020 |
| 52, Gloucester Avenue706 m away | 72 m² | 153 m² | +81 m² +113% | 2015 |
| 1, Devonshire Gardens154 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.
| 393 m² |
| 474 m² |
| +81 m² +21% |
| 2014 |
| 52, Warwick Road313 m away | 69 m² | 148 m² | +79 m² +114% | 2022 |
|---|
| 82, Norfolk Road329 m away | 137 m² | 204 m² | +67 m² +49% | 2025 |
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| 7, Dalby Road803 m away | 49 m² | 113 m² | +64 m² +131% | 2012 |
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| 33, Lonsdale Avenue688 m away | 101 m² | 164 m² | +63 m² +62% | 2024 |
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| 24, Ethelbert Crescent647 m away | 58 m² | 121 m² | +63 m² +109% | 2019 |
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| 9, Wishing Tower Apartments, 18, Eastern Esplanade125 m away | 67 m² | 128 m² | +61 m² +91% | 2025 |
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| 7, Arthur Road737 m away | 50 m² | 111 m² | +61 m² +122% | 2013 |
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| 10, Lonsdale Avenue377 m away | 135 m² | 195 m² | +60 m² +44% | 2019 |
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| 42, Gloucester Avenue767 m away | 116 m² | 174 m² | +58 m² +50% | 2025 |
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| 2, Cliftonville Mews609 m away | 54 m² | 112 m² | +58 m² +107% | 2019 |
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| Flat 3, 2, Second Avenue276 m away | 45 m² | 101 m² | +56 m² +124% | 2019 |
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| 11, Clarence Avenue818 m away | 81 m² | 134 m² | +53 m² +65% | 2026 |
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| 68, Norfolk Road329 m away | 145 m² | 198 m² | +53 m² +37% | 2020 |
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| 14, Grotto Gardens968 m away | 72 m² | 125 m² | +53 m² +74% | 2017 |
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| 4, Stanley Road601 m away | 54 m² | 106 m² | +52 m² +96% | 2011 |
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| 43, Ethelbert Road936 m away | 71 m² | 122 m² | +51 m² +72% | 2011 |
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| 58, Clarence Avenue844 m away | 119 m² | 170 m² | +51 m² +43% | 2010 |
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| 12, Clifton Gardens924 m away | 58 m² | 108 m² | +50 m² +86% | 2023 |
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| 91, Norfolk Road323 m away | 169 m² | 217 m² | +48 m² +28% | 2025 |
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| 99, Northumberland Avenue746 m away | 128 m² | 176 m² | +48 m² +38% | 2024 |
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| 24, Surrey Road125 m away | 274 m² | 320 m² | +46 m² +17% | 2026 |
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| 2, Lower Northdown Avenue663 m away | 299 m² | 345 m² | +46 m² +15% | 2013 |
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| 33, Athelstan Road899 m away | 33 m² | 79 m² | +46 m² +139% | 2011 |
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| 17, Lyndhurst Avenue515 m away | 135 m² | 180 m² | +45 m² +33% | 2022 |
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| 1, Cliftonville Mews609 m away | 54 m² | 99 m² | +45 m² +83% | 2021 |
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| 28, Norfolk Road212 m away | 215 m² | 260 m² | +45 m² +21% | 2015 |
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| 397, Northdown Road654 m away | 87 m² | 130 m² | +43 m² +49% | 2024 |
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| 11, Cornwall Gardens48 m away | 218 m² | 261 m² | +43 m² +20% | 2016 |
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| 18, St Mildreds Road780 m away | 84 m² | 125 m² | +41 m² +49% | 2023 |
|---|
| 55, Cornwall Gardens366 m away | 197 m² | 238 m² | +41 m² +21% | 2022 |
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| 62, Leicester Avenue600 m away | 215 m² | 255 m² | +40 m² +19% | 2010 |
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| 6, Surrey Road125 m away | 254 m² | 293 m² | +39 m² +15% | 2012 |
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| 9, Addiscombe Road934 m away | 167 m² | 205 m² | +38 m² +23% | 2025 |
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| 37, Holly Lane816 m away | 141 m² | 179 m² | +38 m² +27% | 2023 |
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| 65, Godwin Road504 m away | 207 m² | 245 m² | +38 m² +18% | 2009 |
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| 29, Windsor Avenue840 m away | 124 m² | 161 m² | +37 m² +30% | 2026 |
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| 62, Madeira Road758 m away | 109 m² | 146 m² | +37 m² +34% | 2017 |
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| 28, Gloucester Avenue767 m away | 140 m² | 177 m² | +37 m² +26% | 2016 |
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| 15, Godwin Road450 m away | 45 m² | 81 m² | +36 m² +80% | 2020 |
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| Flat 3, 44, Harold Road359 m away | 52 m² | 88 m² | +36 m² +69% | 2019 |
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| 24, Holly Lane816 m away | 197 m² | 232 m² | +35 m² +18% | 2023 |
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| 1, Merlin Villas992 m away | 144 m² | 179 m² | +35 m² +24% | 2015 |
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| 30, Princes Gardens310 m away | 145 m² | 179 m² | +34 m² +23% | 2021 |
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| 113, Northdown Park Road933 m away | 62 m² | 96 m² | +34 m² +55% | 2020 |
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| 11, Dalby Road803 m away | 166 m² | 200 m² | +34 m² +20% | 2015 |
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| 73, Northdown Park Road768 m away | 153 m² | 186 m² | +33 m² +22% | 2026 |
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| 29, Cedar Close853 m away | 80 m² | 113 m² | +33 m² +41% | 2023 |
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| Dallington, Richmond Avenue826 m away | 200 m² | 233 m² | +33 m² +17% | 2016 |
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| 77 And 79, Norfolk Road323 m away | 47 m² | 80 m² | +33 m² +70% | 2009 |
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| 11, The Ridgeway821 m away | 101 m² | 133 m² | +32 m² +32% | 2025 |
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| 53, Clarence Avenue844 m away | 90 m² | 122 m² | +32 m² +36% | 2025 |
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| 80, Sweyn Road556 m away | 59 m² | 89 m² | +30 m² +51% | 2024 |
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| 31, Prices Avenue655 m away | 174 m² | 204 m² | +30 m² +17% | 2024 |
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| 36, Devonshire Gardens221 m away | 195 m² | 225 m² | +30 m² +15% | 2023 |
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| 22, Surrey Road125 m away | 66 m² | 96 m² | +30 m² +45% | 2019 |
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| 16, Prices Avenue655 m away | 35 m² | 65 m² | +30 m² +86% | 2018 |
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| 17, Gordon Road625 m away | 57 m² | 87 m² | +30 m² +53% | 2014 |
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| 10, St Pauls Road594 m away | 161 m² | 190 m² | +29 m² +18% | 2026 |
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| 2, Princes Court, Princes Gardens255 m away | 62 m² | 91 m² | +29 m² +47% | 2025 |
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| 44, Approach Road741 m away | 148 m² | 177 m² | +29 m² +20% | 2025 |
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| 19, Victoria Avenue995 m away | 55 m² | 84 m² | +29 m² +53% | 2018 |
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| 22, Northdown Park Road697 m away | 106 m² | 135 m² | +29 m² +27% | 2017 |
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| 85, Northumberland Avenue746 m away | 130 m² | 159 m² | +29 m² +22% | 2016 |
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| 9, Dalby Road803 m away | 73 m² | 102 m² | +29 m² +40% | 2014 |
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| 13, Lonsdale Avenue528 m away | 126 m² | 155 m² | +29 m² +23% | 2013 |
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| 65, Princes Gardens439 m away | 95 m² | 124 m² | +29 m² +31% | 2009 |
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| 26, Sweyn Road552 m away | 63 m² | 92 m² | +29 m² +46% | 2009 |
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| 2, Magnolia Avenue904 m away | 78 m² | 107 m² | +29 m² +37% | 2008 |
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| 43, Princes Gardens310 m away | 128 m² | 156 m² | +28 m² +22% | 2026 |
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| Flat 5, 2, Dalby Square816 m away | 41 m² | 69 m² | +28 m² +68% | 2021 |
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| Flat 4, Derwent House, 18, Approach Road740 m away | 37 m² | 65 m² | +28 m² +76% | 2014 |
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| 17, Harold Road291 m away | 52 m² | 80 m² | +28 m² +54% | 2009 |
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| 61, Approach Road695 m away | 141 m² | 168 m² | +27 m² +19% | 2021 |
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| Flat 2, 123, Northdown Road606 m away | 45 m² | 72 m² | +27 m² +60% | 2020 |
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| 50, Cliftonville Avenue694 m away | 135 m² | 161 m² | +26 m² +19% | 2012 |
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| 34, Athelstan Road867 m away | 57 m² | 83 m² | +26 m² +46% | 2009 |
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| 63, Princes Gardens439 m away | 86 m² | 111 m² | +25 m² +29% | 2025 |
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| 295, Northdown Road470 m away | 109 m² | 134 m² | +25 m² +23% | 2025 |
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| 9, Foreland Avenue956 m away | 102 m² | 127 m² | +25 m² +25% | 2022 |
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| 266, Northdown Road463 m away | 32 m² | 57 m² | +25 m² +78% | 2021 |
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| 5, Gordon Road625 m away | 58 m² | 83 m² | +25 m² +43% | 2017 |
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| 53, Gloucester Avenue706 m away | 94 m² | 119 m² | +25 m² +27% | 2017 |
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| Flat 3, 16, Dalby Square816 m away | 52 m² | 76 m² | +24 m² +46% | 2020 |
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| 22, Old Green Road787 m away | 76 m² | 100 m² | +24 m² +32% | 2010 |
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| 43, Palm Bay Avenue774 m away | 139 m² | 162 m² | +23 m² +17% | 2023 |
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| 19, Wellesley Road895 m away | 100 m² | 123 m² | +23 m² +23% | 2023 |
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| 387, Northdown Road654 m away | 81 m² | 104 m² | +23 m² +28% | 2020 |
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| 8, St Pauls Road594 m away | 56 m² | 79 m² | +23 m² +41% | 2017 |
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| Flat 4, 16, Dalby Square816 m away | 66 m² | 88 m² | +22 m² +33% | 2026 |
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| 16, St Anthonys Way931 m away | 96 m² | 118 m² | +22 m² +23% | 2024 |
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| 26, Warwick Road313 m away | 134 m² | 156 m² | +22 m² +16% | 2021 |
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| Flat 2, 20, Sweyn Road552 m away | 37 m² | 58 m² | +21 m² +57% | 2021 |
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| 7, Bath Place983 m away | 37 m² | 58 m² | +21 m² +57% | 2020 |
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| 44, Grotto Road936 m away | 115 m² | 136 m² | +21 m² +18% | 2015 |
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| 31, Surrey Road128 m away | 43 m² | 64 m² | +21 m² +49% | 2011 |
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| 86, Sweyn Road556 m away | 115 m² | 135 m² | +20 m² +17% | 2025 |
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| 25, Surrey Road128 m away | 65 m² | 85 m² | +20 m² +31% | 2024 |
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| 432, Northdown Road882 m away | 107 m² | 127 m² | +20 m² +19% | 2023 |
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| 14, Grotto Road936 m away | 70 m² | 90 m² | +20 m² +29% | 2022 |
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| 2, Palm Bay Avenue285 m away | 86 m² | 106 m² | +20 m² +23% | 2019 |
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| 54, Edgar Road696 m away | 101 m² | 121 m² | +20 m² +20% | 2017 |
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| 92, Norfolk Road329 m away | 23 m² | 43 m² | +20 m² +87% | 2014 |
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| Flat 2, 25, Palm Bay Avenue522 m away | 119 m² | 138 m² | +19 m² +16% | 2025 |
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| 77, Approach Road695 m away | 97 m² | 116 m² | +19 m² +20% | 2025 |
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| 10, Bath Place983 m away | 92 m² | 111 m² | +19 m² +21% | 2025 |
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| Flat 3, Julian Court, 1 - 3, Edgar Road667 m away | 49 m² | 68 m² | +19 m² +39% | 2023 |
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| 278b, Northdown Road451 m away | 87 m² | 106 m² | +19 m² +22% | 2021 |
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| Flat B, 3, Stanley Road601 m away | 37 m² | 56 m² | +19 m² +51% | 2018 |
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| 12, Holly Gardens777 m away | 99 m² | 118 m² | +19 m² +19% | 2017 |
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| 2, Wilderness Hill751 m away | 54 m² | 73 m² | +19 m² +35% | 2010 |
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| 8, Palm Bay Avenue285 m away | 98 m² | 116 m² | +18 m² +18% | 2023 |
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| 17, Warwick Road288 m away | 60 m² | 78 m² | +18 m² +30% | 2020 |
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| 9, Ethelbert Road920 m away | 97 m² | 115 m² | +18 m² +19% | 2019 |
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| 5, Gloucester Avenue723 m away | 108 m² | 126 m² | +18 m² +17% | 2016 |
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| 424, Northdown Road882 m away | 114 m² | 132 m² | +18 m² +16% | 2015 |
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| 368a, Northdown Road611 m away | 79 m² | 96 m² | +17 m² +22% | 2026 |
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| 20a, Madeira Road758 m away | 47 m² | 64 m² | +17 m² +36% | 2026 |
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| 68, Leicester Avenue600 m away | 90 m² | 107 m² | +17 m² +19% | 2025 |
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| 427, Northdown Road882 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
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| 37, Norfolk Road164 m away | 63 m² | 80 m² | +17 m² +27% | 2022 |
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| Flat 6, 81, Northdown Road866 m away | 42 m² | 59 m² | +17 m² +40% | 2019 |
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| Flat 8, Robina Court, Palm Bay Avenue608 m away | 94 m² | 111 m² | +17 m² +18% | 2014 |
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| Flat 29, Northumberland Court, Northumberland Avenue413 m away | 38 m² | 54 m² | +16 m² +42% | 2023 |
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| Flat 12, 8 - 10, Ethelbert Terrace903 m away | 33 m² | 49 m² | +16 m² +48% | 2020 |
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| 24, Clarence Avenue818 m away | 84 m² | 100 m² | +16 m² +19% | 2017 |
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| 5, Ethelbert Terrace903 m away | 38 m² | 54 m² | +16 m² +42% | 2017 |
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| Flat 1, 27, Ethelbert Crescent647 m away | 69 m² | 84 m² | +15 m² +22% | 2024 |
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| 29, Godwin Road450 m away | 64 m² | 79 m² | +15 m² +23% | 2022 |
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| 22, St Anthonys Way931 m away | 78 m² | 93 m² | +15 m² +19% | 2021 |
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| Flat 5, 79, Eastern Esplanade48 m away | 33 m² | 48 m² | +15 m² +45% | 2020 |
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| Flat 4, 6, Cornwall Gardens48 m away | 47 m² | 62 m² | +15 m² +32% | 2020 |
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| Flat 1, James Court, 23, Devonshire Gardens221 m away | 74 m² | 89 m² | +15 m² +20% | 2020 |
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| Flat 3, 9, Edgar Road661 m away | 52 m² | 67 m² | +15 m² +29% | 2018 |
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| 70, Sweyn Road556 m away | 53 m² | 68 m² | +15 m² +28% | 2014 |
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| 37, Ethelbert Road920 m away | 58 m² | 73 m² | +15 m² +26% | 2014 |
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| 41, Eastern Esplanade371 m away | 92 m² | 107 m² | +15 m² +16% | 2013 |
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| Flat 1, 7, Athelstan Road883 m away | 48 m² | 63 m² | +15 m² +31% | 2011 |
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| Flat 9, Highcliffe Hall, 16, Eastern Esplanade91 m away | 73 m² | 88 m² | +15 m² +21% | 2008 |
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| 42 - 44, Surrey Road125 m away | 53 m² | 68 m² | +15 m² +28% | 2008 |
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