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 CM12 0AB
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 |
|---|---|---|---|---|
| Deerbank, Deerbank Road593 m away | 292 m² | 713 m² | +421 m² +144% | 2017 |
| 24, Lake Avenue195 m away | 153 m² | 369 m² | +216 m² +141% | 2017 |
| 152, Norsey Road990 m away | 170 m² | 342 m² | +172 m² +101% | 2013 |
| 8, Little Norsey Road949 m away | 117 m² | 271 m² | +154 m² +132% | 2018 |
| 57, Norsey Road839 m away | 185 m² | 330 m² | +145 m² +78% | 2022 |
| 5, Lake Avenue195 m away | 104 m² | 230 m² | +126 m² +121% | 2020 |
| 12, West Park Drive255 m away | 132 m² | 252 m² | +120 m² +91% | 2018 |
| 31, Mountnessing Road904 m away | 145 m² | 264 m² | +119 m² +82% | 2023 |
| 109, Mountnessing Road788 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.
| 127 m² |
| 244 m² |
| +117 m² +92% |
| 2025 |
| 147, Western Road713 m away | 123 m² | 239 m² | +116 m² +94% | 2018 |
|---|
| 125, Perry Street767 m away | 147 m² | 262 m² | +115 m² +78% | 2022 |
|---|
| 15, Lakeside643 m away | 81 m² | 192 m² | +111 m² +137% | 2023 |
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| 6, Heather Bank650 m away | 69 m² | 165 m² | +96 m² +139% | 2026 |
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| 4, Hillside Road640 m away | 105 m² | 199 m² | +94 m² +90% | 2024 |
|---|
| 52, Chantry Way445 m away | 68 m² | 161 m² | +93 m² +137% | 2022 |
|---|
| 19, Little Norsey Road949 m away | 105 m² | 195 m² | +90 m² +86% | 2025 |
|---|
| 39, Crown Road445 m away | 74 m² | 161 m² | +87 m² +118% | 2026 |
|---|
| 46, Stock Road561 m away | 169 m² | 252 m² | +83 m² +49% | 2020 |
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| 8, Wakefield Avenue609 m away | 107 m² | 190 m² | +83 m² +78% | 2011 |
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| 134, Mountnessing Road788 m away | 124 m² | 204 m² | +80 m² +65% | 2020 |
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| 16, The Avenue596 m away | 112 m² | 191 m² | +79 m² +71% | 2014 |
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| 121, Mountnessing Road788 m away | 116 m² | 193 m² | +77 m² +66% | 2026 |
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| 94a, Norsey Road602 m away | 334 m² | 410 m² | +76 m² +23% | 2022 |
|---|
| 25, Hunts Mead823 m away | 59 m² | 134 m² | +75 m² +127% | 2025 |
|---|
| 38, Hillside Road640 m away | 71 m² | 145 m² | +74 m² +104% | 2025 |
|---|
| 26, Summerdale412 m away | 103 m² | 177 m² | +74 m² +72% | 2024 |
|---|
| 16, Lakeside643 m away | 76 m² | 145 m² | +69 m² +91% | 2022 |
|---|
| 54, Stock Road759 m away | 92 m² | 161 m² | +69 m² +75% | 2012 |
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| 77, Norsey Road990 m away | 120 m² | 188 m² | +68 m² +57% | 2017 |
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| 40, West Park Avenue462 m away | 108 m² | 174 m² | +66 m² +61% | 2019 |
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| 8, Hillside Road640 m away | 85 m² | 151 m² | +66 m² +78% | 2017 |
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| 48, Stock Road759 m away | 64 m² | 129 m² | +65 m² +102% | 2015 |
|---|
| 28, Ricketts Drive656 m away | 62 m² | 122 m² | +60 m² +97% | 2009 |
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| 49, West Park Crescent335 m away | 169 m² | 228 m² | +59 m² +35% | 2025 |
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| 17, Raven Close877 m away | 100 m² | 158 m² | +58 m² +58% | 2024 |
|---|
| 27, Hillside Road640 m away | 49 m² | 107 m² | +58 m² +118% | 2023 |
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| 6, Coxbridge Court373 m away | 59 m² | 115 m² | +56 m² +95% | 2025 |
|---|
| 47, Hillhouse Drive716 m away | 150 m² | 206 m² | +56 m² +37% | 2025 |
|---|
| 45, The Avenue500 m away | 99 m² | 155 m² | +56 m² +57% | 2024 |
|---|
| 12, Weir Wynd996 m away | 123 m² | 178 m² | +55 m² +45% | 2026 |
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| 19, Rosslyn Road898 m away | 173 m² | 228 m² | +55 m² +32% | 2024 |
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| 94, Norsey Road602 m away | 257 m² | 312 m² | +55 m² +21% | 2022 |
|---|
| 6, Ricketts Drive656 m away | 62 m² | 114 m² | +52 m² +84% | 2021 |
|---|
| 33, Hillhouse Close827 m away | 112 m² | 163 m² | +51 m² +46% | 2024 |
|---|
| 14, Stock Road345 m away | 179 m² | 230 m² | +51 m² +28% | 2020 |
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| 111a, Perry Street767 m away | 72 m² | 121 m² | +49 m² +68% | 2017 |
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| 10, Heather Bank650 m away | 77 m² | 125 m² | +48 m² +62% | 2015 |
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| 27, Crown Road445 m away | 65 m² | 112 m² | +47 m² +72% | 2019 |
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| 71, Hunts Mead823 m away | 69 m² | 115 m² | +46 m² +67% | 2022 |
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| 43, Tensing Gardens808 m away | 58 m² | 104 m² | +46 m² +79% | 2019 |
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| 20, Montague Way921 m away | 109 m² | 155 m² | +46 m² +42% | 2014 |
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| 46, Cromwell Avenue201 m away | 121 m² | 166 m² | +45 m² +37% | 2024 |
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| 7, Hillside Road640 m away | 120 m² | 164 m² | +44 m² +37% | 2022 |
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| 19, Whinhams Way815 m away | 75 m² | 118 m² | +43 m² +57% | 2026 |
|---|
| 1, Langemore Way753 m away | 124 m² | 166 m² | +42 m² +34% | 2020 |
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| 6, Upland Road894 m away | 87 m² | 129 m² | +42 m² +48% | 2015 |
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| 8, Upland Road894 m away | 104 m² | 144 m² | +40 m² +38% | 2023 |
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| 1, Grove Road660 m away | 121 m² | 161 m² | +40 m² +33% | 2021 |
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| 132, Mountnessing Road788 m away | 112 m² | 152 m² | +40 m² +36% | 2019 |
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| 63, Chestnut Avenue690 m away | 121 m² | 160 m² | +39 m² +32% | 2026 |
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| 1, Sweet Chestnut Mews246 m away | 259 m² | 298 m² | +39 m² +15% | 2025 |
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| 16, Hunts Mead823 m away | 60 m² | 99 m² | +39 m² +65% | 2024 |
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| 4, Wick Glen841 m away | 66 m² | 104 m² | +38 m² +58% | 2021 |
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| 34, Lancer Way971 m away | 68 m² | 106 m² | +38 m² +56% | 2020 |
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| 30, Lake Avenue195 m away | 210 m² | 247 m² | +37 m² +18% | 2018 |
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| 139, Perry Street754 m away | 105 m² | 142 m² | +37 m² +35% | 2018 |
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| 61, Perry Street780 m away | 70 m² | 106 m² | +36 m² +51% | 2026 |
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| 20, The Avenue500 m away | 187 m² | 223 m² | +36 m² +19% | 2021 |
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| 37, Radford Court0 m away | 31 m² | 67 m² | +36 m² +116% | 2010 |
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| 23, Sylvan Tryst590 m away | 158 m² | 193 m² | +35 m² +22% | 2026 |
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| 6, Charity Farm Chase626 m away | 123 m² | 158 m² | +35 m² +28% | 2026 |
|---|
| 1, Lakeside643 m away | 48 m² | 83 m² | +35 m² +73% | 2026 |
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| 10, Cromwell Avenue77 m away | 99 m² | 133 m² | +34 m² +34% | 2023 |
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| 15, Cromwell Avenue77 m away | 92 m² | 126 m² | +34 m² +37% | 2022 |
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| 4, Raven Lane952 m away | 92 m² | 126 m² | +34 m² +37% | 2017 |
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| 224, Mountnessing Road860 m away | 77 m² | 110 m² | +33 m² +43% | 2026 |
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| 19, Hillside Road640 m away | 85 m² | 118 m² | +33 m² +39% | 2023 |
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| 69, Perry Street780 m away | 104 m² | 137 m² | +33 m² +32% | 2022 |
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| 72, Mountnessing Road836 m away | 81 m² | 114 m² | +33 m² +41% | 2017 |
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| Flat 4, The Roof Gardens, 60, High Street479 m away | 71 m² | 103 m² | +32 m² +45% | 2016 |
|---|
| 2, Copford Close802 m away | 75 m² | 106 m² | +31 m² +41% | 2023 |
|---|
| 54, Hunts Mead823 m away | 68 m² | 99 m² | +31 m² +46% | 2023 |
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| 19, Knightbridge Walk720 m away | 77 m² | 108 m² | +31 m² +40% | 2022 |
|---|
| 35, Station Road765 m away | 55 m² | 86 m² | +31 m² +56% | 2019 |
|---|
| 2, Charity Farm Chase626 m away | 123 m² | 153 m² | +30 m² +24% | 2025 |
|---|
| 27, Valley Road696 m away | 64 m² | 94 m² | +30 m² +47% | 2021 |
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| 161b, Mountnessing Road736 m away | 182 m² | 212 m² | +30 m² +16% | 2019 |
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| 3, West Croft767 m away | 114 m² | 144 m² | +30 m² +26% | 2016 |
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| 188, Perry Street973 m away | 80 m² | 110 m² | +30 m² +38% | 2015 |
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| 25a, Lake Avenue195 m away | 133 m² | 162 m² | +29 m² +22% | 2024 |
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| 9, West Cloister341 m away | 147 m² | 175 m² | +28 m² +19% | 2021 |
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| 37, Hillary Mount982 m away | 94 m² | 122 m² | +28 m² +30% | 2021 |
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| 22, West Park Crescent240 m away | 146 m² | 174 m² | +28 m² +19% | 2017 |
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| 17, Chaffinch Crescent966 m away | 99 m² | 127 m² | +28 m² +28% | 2014 |
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| 6, Chestnut Avenue761 m away | 99 m² | 126 m² | +27 m² +27% | 2025 |
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| 12, Hunts Mead823 m away | 100 m² | 127 m² | +27 m² +27% | 2023 |
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| 21, Station Road645 m away | 134 m² | 161 m² | +27 m² +20% | 2022 |
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| 63, Tensing Gardens808 m away | 72 m² | 99 m² | +27 m² +38% | 2010 |
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| 71, Perry Street780 m away | 70 m² | 96 m² | +26 m² +37% | 2026 |
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| 29, Hillhouse Close827 m away | 101 m² | 127 m² | +26 m² +26% | 2017 |
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| 21, Grosvenor Gardens865 m away | 101 m² | 126 m² | +25 m² +25% | 2022 |
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| 7, Lakeside643 m away | 62 m² | 87 m² | +25 m² +40% | 2020 |
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| 7, Knightbridge Walk720 m away | 77 m² | 102 m² | +25 m² +32% | 2020 |
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| 9, Forester Court855 m away | 94 m² | 119 m² | +25 m² +27% | 2018 |
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| 87, Western Road460 m away | 138 m² | 162 m² | +24 m² +17% | 2025 |
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| 5, Langdon Mews305 m away | 94 m² | 118 m² | +24 m² +26% | 2021 |
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| 11, Park Lodge983 m away | 24 m² | 48 m² | +24 m² +100% | 2021 |
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| 79, Newlands Road854 m away | 82 m² | 106 m² | +24 m² +29% | 2018 |
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| 24, Meadow Rise867 m away | 91 m² | 114 m² | +23 m² +25% | 2026 |
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| 63, Hillside Road621 m away | 87 m² | 110 m² | +23 m² +26% | 2015 |
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| 34, Perry Street780 m away | 51 m² | 73 m² | +22 m² +43% | 2026 |
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| 3, Felsted Road993 m away | 77 m² | 99 m² | +22 m² +29% | 2025 |
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| 15, Perry Street756 m away | 79 m² | 100 m² | +21 m² +27% | 2026 |
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| 3, Carpenter Close917 m away | 69 m² | 90 m² | +21 m² +30% | 2024 |
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| 3, Little Norsey Road955 m away | 111 m² | 132 m² | +21 m² +19% | 2024 |
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| 2, The Mullions776 m away | 134 m² | 155 m² | +21 m² +16% | 2021 |
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| 4, Rosslyn Road898 m away | 72 m² | 93 m² | +21 m² +29% | 2021 |
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| 9, Crescent Gardens990 m away | 97 m² | 118 m² | +21 m² +22% | 2019 |
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| 36, Station Road765 m away | 96 m² | 117 m² | +21 m² +22% | 2018 |
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| 7, Newlands Close894 m away | 79 m² | 100 m² | +21 m² +27% | 2017 |
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| Flat 25, Langthorns, Stock Road127 m away | 75 m² | 96 m² | +21 m² +28% | 2011 |
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| 40, Chestwood Close977 m away | 128 m² | 148 m² | +20 m² +16% | 2025 |
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| 6, West Park Avenue281 m away | 133 m² | 153 m² | +20 m² +15% | 2020 |
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| 7, Chestnut Avenue761 m away | 112 m² | 132 m² | +20 m² +18% | 2020 |
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| 12, The Copse640 m away | 125 m² | 144 m² | +19 m² +15% | 2026 |
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| 28, Little Norsey Road949 m away | 72 m² | 91 m² | +19 m² +26% | 2025 |
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| 34, Hunts Mead823 m away | 72 m² | 91 m² | +19 m² +26% | 2024 |
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| 41, Langemore Way753 m away | 85 m² | 104 m² | +19 m² +22% | 2022 |
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| 6, Park Side779 m away | 92 m² | 111 m² | +19 m² +21% | 2016 |
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| 32, Meadow Rise867 m away | 98 m² | 117 m² | +19 m² +19% | 2016 |
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| 34, Chapel Court557 m away | 106 m² | 124 m² | +18 m² +17% | 2023 |
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| 12, Gordon Close844 m away | 97 m² | 115 m² | +18 m² +19% | 2020 |
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| 69, Tensing Gardens808 m away | 104 m² | 121 m² | +17 m² +16% | 2026 |
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| Flat 14, Radstocks, Stock Road83 m away | 53 m² | 70 m² | +17 m² +32% | 2025 |
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| 64, Hunts Mead823 m away | 72 m² | 89 m² | +17 m² +24% | 2021 |
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| Flat 10, 8, Stock Road345 m away | 62 m² | 79 m² | +17 m² +27% | 2020 |
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| 4, Bellevue Road696 m away | 83 m² | 100 m² | +17 m² +20% | 2020 |
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| 87, Knightbridge Walk605 m away | 74 m² | 91 m² | +17 m² +23% | 2012 |
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| 11, Tensing Gardens854 m away | 101 m² | 117 m² | +16 m² +16% | 2026 |
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| 61, Crescent Road912 m away | 97 m² | 113 m² | +16 m² +16% | 2024 |
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| 4, Grosvenor Gardens865 m away | 31 m² | 47 m² | +16 m² +52% | 2022 |
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| 1, Heather Bank650 m away | 88 m² | 104 m² | +16 m² +18% | 2020 |
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| Flat 7, Radstocks, Stock Road83 m away | 66 m² | 82 m² | +16 m² +24% | 2019 |
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| 27, Lancer Way971 m away | 86 m² | 102 m² | +16 m² +19% | 2018 |
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| 43, Chapel Court557 m away | 94 m² | 110 m² | +16 m² +17% | 2011 |
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| 21, Gordon Close844 m away | 81 m² | 96 m² | +15 m² +19% | 2026 |
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| 110, High Street656 m away | 48 m² | 63 m² | +15 m² +31% | 2025 |
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| Pilgrim House, High Street748 m away | 40 m² | 55 m² | +15 m² +38% | 2025 |
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| 6, Dedham Close877 m away | 97 m² | 112 m² | +15 m² +15% | 2025 |
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| 4, Needham Close287 m away | 91 m² | 106 m² | +15 m² +16% | 2024 |
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| 24, Burns Close226 m away | 46 m² | 61 m² | +15 m² +33% | 2022 |
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| 39, South Ridge872 m away | 76 m² | 91 m² | +15 m² +20% | 2022 |
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| 6, St James Mews388 m away | 86 m² | 101 m² | +15 m² +17% | 2020 |
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| 135a, High Street780 m away | 60 m² | 75 m² | +15 m² +25% | 2019 |
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| 40, Tensing Gardens808 m away | 75 m² | 90 m² | +15 m² +20% | 2019 |
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| 28, Grey Lady Place171 m away | 80 m² | 95 m² | +15 m² +19% | 2012 |
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| 1, The Avenue596 m away | 69 m² | 84 m² | +15 m² +22% | 2012 |
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