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 RM11 2NN
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 |
|---|---|---|---|---|
| 7, Woodlands Avenue887 m away | 248 m² | 555 m² | +307 m² +124% | 2015 |
| 3, Russetts286 m away | 151 m² | 326 m² | +175 m² +116% | 2021 |
| 15, Nelmes Way528 m away | 113 m² | 281 m² | +168 m² +149% | 2017 |
| 41, Nelmes Way771 m away | 201 m² | 362 m² | +161 m² +80% | 2025 |
| 18, Nelmes Crescent750 m away | 105 m² | 261 m² | +156 m² +149% | 2023 |
| 9, Ayloffs Walk603 m away | 143 m² | 285 m² | +142 m² +99% | 2020 |
| 60, Brookside734 m away | 115 m² | 243 m² | +128 m² +111% | 2016 |
| 24, Great Nelmes Chase887 m away | 89 m² | 214 m² | +125 m² +140% | 2020 |
| 8, Brookside755 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.
| 231 m² |
| +119 m² +106% |
| 2022 |
| 18, Hamilton Drive694 m away | 92 m² | 210 m² | +118 m² +128% | 2020 |
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| 1, Banyards484 m away | 142 m² | 256 m² | +114 m² +80% | 2023 |
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| 23, Elm Grove901 m away | 526 m² | 638 m² | +112 m² +21% | 2026 |
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| 15, Great Nelmes Chase847 m away | 121 m² | 232 m² | +111 m² +92% | 2025 |
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| 35, Great Nelmes Chase847 m away | 103 m² | 214 m² | +111 m² +108% | 2012 |
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| 15, Haynes Road468 m away | 85 m² | 191 m² | +106 m² +125% | 2019 |
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| 5, Mendoza Close795 m away | 209 m² | 314 m² | +105 m² +50% | 2022 |
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| 36, Redden Court Road464 m away | 118 m² | 221 m² | +103 m² +87% | 2021 |
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| 59, Ardleigh Green Road774 m away | 124 m² | 227 m² | +103 m² +83% | 2017 |
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| 37, Primrose Glen221 m away | 62 m² | 148 m² | +86 m² +139% | 2026 |
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| 51, Recreation Avenue887 m away | 87 m² | 172 m² | +85 m² +98% | 2021 |
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| 15, The Sheilings951 m away | 114 m² | 198 m² | +84 m² +74% | 2023 |
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| 426, Wingletye Lane857 m away | 67 m² | 148 m² | +81 m² +121% | 2012 |
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| 3, Westmoreland Avenue859 m away | 112 m² | 192 m² | +80 m² +71% | 2025 |
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| 14a, Oak Glen173 m away | 76 m² | 156 m² | +80 m² +105% | 2023 |
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| 29, Nelmes Crescent704 m away | 146 m² | 225 m² | +79 m² +54% | 2023 |
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| 179, Southend Arterial Road407 m away | 107 m² | 184 m² | +77 m² +72% | 2020 |
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| 4, Woodcutters Close642 m away | 145 m² | 222 m² | +77 m² +53% | 2020 |
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| 147, Haynes Road767 m away | 134 m² | 208 m² | +74 m² +55% | 2021 |
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| 163, Haynes Road767 m away | 79 m² | 153 m² | +74 m² +94% | 2017 |
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| 83, Haynes Road468 m away | 93 m² | 165 m² | +72 m² +77% | 2024 |
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| 21, Woodlands Avenue887 m away | 251 m² | 321 m² | +70 m² +28% | 2023 |
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| 6, Cotswold Road697 m away | 68 m² | 138 m² | +70 m² +103% | 2022 |
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| 14, Clunas Gardens709 m away | 74 m² | 143 m² | +69 m² +93% | 2023 |
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| 116, Cecil Avenue321 m away | 81 m² | 148 m² | +67 m² +83% | 2016 |
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| 80, Stafford Avenue529 m away | 44 m² | 108 m² | +64 m² +145% | 2024 |
|---|
| 34, Bartholomew Drive999 m away | 89 m² | 153 m² | +64 m² +72% | 2021 |
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| 9, Russetts286 m away | 166 m² | 230 m² | +64 m² +39% | 2020 |
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| 106, Squirrels Heath Lane570 m away | 104 m² | 168 m² | +64 m² +62% | 2014 |
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| 29, Great Nelmes Chase847 m away | 109 m² | 170 m² | +61 m² +56% | 2025 |
|---|
| 94, Northumberland Avenue832 m away | 61 m² | 122 m² | +61 m² +100% | 2021 |
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| 24, Primrose Glen185 m away | 67 m² | 128 m² | +61 m² +91% | 2014 |
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| 184, Ardleigh Green Road372 m away | 86 m² | 146 m² | +60 m² +70% | 2026 |
|---|
| 33, Wakerfield Close669 m away | 165 m² | 224 m² | +59 m² +36% | 2020 |
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| 38, Nelmes Crescent750 m away | 152 m² | 211 m² | +59 m² +39% | 2016 |
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| 85, Cecil Avenue321 m away | 90 m² | 147 m² | +57 m² +63% | 2025 |
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| 52, Tindall Close933 m away | 97 m² | 154 m² | +57 m² +59% | 2024 |
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| 3, Mason Drive977 m away | 65 m² | 122 m² | +57 m² +88% | 2022 |
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| 70, Primrose Glen185 m away | 66 m² | 122 m² | +56 m² +85% | 2026 |
|---|
| 142, Amery Gardens602 m away | 124 m² | 180 m² | +56 m² +45% | 2017 |
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| 75, Redden Court Road508 m away | 89 m² | 145 m² | +56 m² +63% | 2016 |
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| 88, Squirrels Heath Lane570 m away | 87 m² | 142 m² | +55 m² +63% | 2025 |
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| 114, Squirrels Heath Lane386 m away | 143 m² | 198 m² | +55 m² +38% | 2023 |
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| 178, Ardleigh Green Road372 m away | 107 m² | 161 m² | +54 m² +50% | 2019 |
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| 4, Fleming Gardens961 m away | 66 m² | 119 m² | +53 m² +80% | 2024 |
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| 51, Stafford Avenue404 m away | 88 m² | 141 m² | +53 m² +60% | 2020 |
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| 11, Nelwyn Avenue991 m away | 115 m² | 167 m² | +52 m² +45% | 2020 |
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| 12, Ashlyn Grove370 m away | 76 m² | 127 m² | +51 m² +67% | 2020 |
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| 17, Rowan Walk474 m away | 126 m² | 177 m² | +51 m² +40% | 2019 |
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| 191, Northumberland Avenue761 m away | 122 m² | 172 m² | +50 m² +41% | 2026 |
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| 170, Ardleigh Green Road372 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
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| 268, Southend Arterial Road404 m away | 68 m² | 118 m² | +50 m² +74% | 2024 |
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| 29, Long Grove741 m away | 82 m² | 132 m² | +50 m² +61% | 2024 |
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| 7, Hardley Crescent553 m away | 118 m² | 167 m² | +49 m² +42% | 2025 |
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| 16, Nelmes Crescent750 m away | 118 m² | 165 m² | +47 m² +40% | 2022 |
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| 23, Macdonald Avenue308 m away | 64 m² | 110 m² | +46 m² +72% | 2023 |
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| 284, Southend Arterial Road404 m away | 88 m² | 134 m² | +46 m² +52% | 2023 |
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| 31, Amery Gardens711 m away | 77 m² | 123 m² | +46 m² +60% | 2023 |
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| 185, Northumberland Avenue761 m away | 83 m² | 129 m² | +46 m² +55% | 2014 |
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| 69, Birch Crescent172 m away | 81 m² | 126 m² | +45 m² +56% | 2020 |
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| 6, Nelmes Close782 m away | 199 m² | 243 m² | +44 m² +22% | 2025 |
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| 119, Northumberland Avenue864 m away | 60 m² | 104 m² | +44 m² +73% | 2019 |
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| 44, Rosslyn Avenue891 m away | 98 m² | 141 m² | +43 m² +44% | 2024 |
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| 71, Macdonald Avenue308 m away | 167 m² | 209 m² | +42 m² +25% | 2024 |
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| 3, Oak Glen173 m away | 73 m² | 115 m² | +42 m² +58% | 2012 |
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| 2, Clunas Gardens709 m away | 72 m² | 112 m² | +40 m² +56% | 2025 |
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| 46, Squirrels Heath Lane767 m away | 112 m² | 152 m² | +40 m² +36% | 2022 |
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| 49, Hamilton Drive694 m away | 124 m² | 164 m² | +40 m² +32% | 2016 |
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| 130, Northumberland Avenue715 m away | 61 m² | 101 m² | +40 m² +66% | 2012 |
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| 70, Belgrave Avenue727 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
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| 55, Haynes Road468 m away | 92 m² | 131 m² | +39 m² +42% | 2022 |
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| 3, Rowan Walk474 m away | 165 m² | 204 m² | +39 m² +24% | 2020 |
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| 37, Cecil Avenue121 m away | 91 m² | 130 m² | +39 m² +43% | 2019 |
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| 130, Ardleigh Green Road305 m away | 80 m² | 118 m² | +38 m² +48% | 2025 |
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| 93, Belgrave Avenue766 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
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| 62, Cecil Avenue99 m away | 112 m² | 149 m² | +37 m² +33% | 2020 |
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| 99, Amery Gardens637 m away | 83 m² | 120 m² | +37 m² +45% | 2018 |
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| 43, Kingsley Gardens334 m away | 92 m² | 128 m² | +36 m² +39% | 2025 |
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| 28, Ferguson Court987 m away | 45 m² | 80 m² | +35 m² +78% | 2022 |
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| 196, Southend Arterial Road341 m away | 93 m² | 128 m² | +35 m² +38% | 2015 |
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| 33, Stafford Avenue404 m away | 59 m² | 93 m² | +34 m² +58% | 2024 |
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| 34, Brookside755 m away | 93 m² | 127 m² | +34 m² +37% | 2024 |
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| 26, Oak Glen173 m away | 57 m² | 91 m² | +34 m² +60% | 2011 |
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| 2a, Coombe Road539 m away | 88 m² | 122 m² | +34 m² +39% | 2009 |
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| 25, Oak Glen173 m away | 60 m² | 93 m² | +33 m² +55% | 2025 |
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| 20, Redden Court Road464 m away | 124 m² | 157 m² | +33 m² +27% | 2023 |
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| 18, Ferguson Avenue871 m away | 81 m² | 114 m² | +33 m² +41% | 2019 |
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| 26, Montrose Avenue936 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
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| 25, Platford Green383 m away | 101 m² | 133 m² | +32 m² +32% | 2017 |
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| 15, The Witherings920 m away | 188 m² | 219 m² | +31 m² +16% | 2025 |
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| 28, Nelmes Crescent750 m away | 116 m² | 147 m² | +31 m² +27% | 2024 |
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| 82, Haynes Road785 m away | 116 m² | 146 m² | +30 m² +26% | 2024 |
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| 36, Haynes Road519 m away | 84 m² | 114 m² | +30 m² +36% | 2023 |
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| 155, Squirrels Heath Lane248 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 92, Northumberland Avenue832 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 8, The Sheilings951 m away | 193 m² | 223 m² | +30 m² +16% | 2022 |
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| 82, Stafford Avenue529 m away | 57 m² | 87 m² | +30 m² +53% | 2019 |
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| 86, Cambridge Avenue752 m away | 95 m² | 125 m² | +30 m² +32% | 2019 |
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| 8, Manor Crescent941 m away | 136 m² | 166 m² | +30 m² +22% | 2017 |
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| 114, Cecil Avenue321 m away | 96 m² | 125 m² | +29 m² +30% | 2025 |
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| 15, Jarvis Way917 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 452, Upper Brentwood Road912 m away | 165 m² | 194 m² | +29 m² +18% | 2021 |
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| 2, Hamilton Drive694 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 6, Hamilton Drive694 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 21, Briars Walk965 m away | 78 m² | 106 m² | +28 m² +36% | 2021 |
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| 51, Amery Gardens711 m away | 74 m² | 102 m² | +28 m² +38% | 2020 |
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| 216, Southend Arterial Road341 m away | 116 m² | 143 m² | +27 m² +23% | 2025 |
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| 55, Cambridge Avenue782 m away | 83 m² | 110 m² | +27 m² +33% | 2020 |
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| 22, Primrose Glen185 m away | 65 m² | 91 m² | +26 m² +40% | 2024 |
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| 18, Hardley Crescent553 m away | 111 m² | 137 m² | +26 m² +23% | 2023 |
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| 15, Stafford Avenue404 m away | 75 m² | 101 m² | +26 m² +35% | 2022 |
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| 30, Coombe Road707 m away | 87 m² | 113 m² | +26 m² +30% | 2014 |
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| 147, Squirrels Heath Lane386 m away | 101 m² | 127 m² | +26 m² +26% | 2012 |
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| 96, Cecil Avenue99 m away | 87 m² | 113 m² | +26 m² +30% | 2010 |
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| 55, Squirrels Heath Road667 m away | 150 m² | 175 m² | +25 m² +17% | 2023 |
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| 141, Squirrels Heath Lane386 m away | 104 m² | 129 m² | +25 m² +24% | 2022 |
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| 73, Redden Court Road508 m away | 89 m² | 113 m² | +24 m² +27% | 2025 |
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| Flat 55, Nyall Court, Kidman Close667 m away | 44 m² | 68 m² | +24 m² +55% | 2024 |
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| 52, Haynes Road519 m away | 89 m² | 113 m² | +24 m² +27% | 2023 |
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| 102, Northumberland Avenue832 m away | 67 m² | 91 m² | +24 m² +36% | 2023 |
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| Flat 64, Nyall Court, Kidman Close667 m away | 36 m² | 60 m² | +24 m² +67% | 2022 |
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| 4, Manor Crescent941 m away | 152 m² | 176 m² | +24 m² +16% | 2022 |
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| 85, Ferguson Avenue875 m away | 71 m² | 95 m² | +24 m² +34% | 2015 |
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| 210, Southend Arterial Road341 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 189, Southend Arterial Road407 m away | 98 m² | 121 m² | +23 m² +23% | 2017 |
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| 12, Ferguson Court987 m away | 53 m² | 75 m² | +22 m² +42% | 2026 |
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| 104, Amery Gardens602 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
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| 57, Beltinge Road614 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
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| 46, Hamilton Drive694 m away | 89 m² | 110 m² | +21 m² +24% | 2026 |
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| 174, Ardleigh Green Road372 m away | 36 m² | 57 m² | +21 m² +58% | 2025 |
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| 67, Hamilton Drive694 m away | 137 m² | 158 m² | +21 m² +15% | 2025 |
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| 92, Rosslyn Avenue891 m away | 110 m² | 131 m² | +21 m² +19% | 2024 |
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| 115, Northumberland Avenue864 m away | 58 m² | 79 m² | +21 m² +36% | 2023 |
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| 33, Macdonald Avenue308 m away | 69 m² | 90 m² | +21 m² +30% | 2021 |
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| 16, Warwick Gardens842 m away | 114 m² | 135 m² | +21 m² +18% | 2021 |
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| 6, Kingsley Gardens369 m away | 81 m² | 102 m² | +21 m² +26% | 2018 |
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| 144, Ardleigh Green Road305 m away | 84 m² | 105 m² | +21 m² +25% | 2014 |
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| 2, Owlets Hall Close623 m away | 52 m² | 73 m² | +21 m² +40% | 2013 |
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| 32, Victoria House, Durham Avenue799 m away | 57 m² | 78 m² | +21 m² +37% | 2013 |
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| 31, Durham Avenue849 m away | 90 m² | 110 m² | +20 m² +22% | 2024 |
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| 55, Nightingale Crescent944 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
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| 153, Northumberland Avenue761 m away | 71 m² | 91 m² | +20 m² +28% | 2022 |
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| 130, Amery Gardens602 m away | 70 m² | 90 m² | +20 m² +29% | 2021 |
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| 1, Jarvis Way917 m away | 64 m² | 84 m² | +20 m² +31% | 2019 |
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| 11, Nelmes Close782 m away | 122 m² | 142 m² | +20 m² +16% | 2016 |
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| 92, Harwood Avenue250 m away | 71 m² | 91 m² | +20 m² +28% | 2013 |
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| 15, Manor Crescent941 m away | 90 m² | 109 m² | +19 m² +21% | 2026 |
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| 35, Harwood Avenue183 m away | 74 m² | 93 m² | +19 m² +26% | 2025 |
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| 288, Southend Arterial Road404 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 13, Beltinge Road614 m away | 103 m² | 122 m² | +19 m² +18% | 2024 |
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| 56, Belgrave Avenue803 m away | 109 m² | 128 m² | +19 m² +17% | 2024 |
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| 15, Oak Glen173 m away | 115 m² | 134 m² | +19 m² +17% | 2018 |
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| 490, Upper Brentwood Road926 m away | 125 m² | 144 m² | +19 m² +15% | 2016 |
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| 33, Nelmes Crescent704 m away | 117 m² | 136 m² | +19 m² +16% | 2014 |
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| 132, Northumberland Avenue715 m away | 66 m² | 85 m² | +19 m² +29% | 2011 |
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| 8, Chadwick Drive943 m away | 18 m² | 37 m² | +19 m² +106% | 2009 |
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| 64, Amery Gardens694 m away | 71 m² | 88 m² | +17 m² +24% | 2025 |
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| 13, Long Grove741 m away | 65 m² | 82 m² | +17 m² +26% | 2022 |
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| 124, Southend Arterial Road664 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
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| 19, Durham Avenue849 m away | 80 m² | 97 m² | +17 m² +21% | 2016 |
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| 34 North Block, The Railstore, Kidman Close691 m away | 40 m² | 57 m² | +17 m² +43% | 2012 |
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| Flat 3, Tallis Court, Kidman Close720 m away | 38 m² | 55 m² | +17 m² +45% | 2010 |
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| Flat 62, Nyall Court, Kidman Close667 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
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| 82, Harwood Avenue250 m away | 71 m² | 87 m² | +16 m² +23% | 2024 |
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| Flat 6, Jenner House, 41, Nightingale Crescent881 m away | 50 m² | 66 m² | +16 m² +32% | 2022 |
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| Flat 1, Barnard House, 2, Nightingale Crescent935 m away | 40 m² | 56 m² | +16 m² +40% | 2014 |
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| Flat 8, Dreywood Court, 53, Squirrels Heath Lane686 m away | 69 m² | 84 m² | +15 m² +22% | 2026 |
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| 22 North Block, The Railstore, Kidman Close691 m away | 65 m² | 80 m² | +15 m² +23% | 2023 |
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| 72, Cambridge Avenue752 m away | 88 m² | 103 m² | +15 m² +17% | 2023 |
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| Flat 60, Nyall Court, Kidman Close667 m away | 53 m² | 68 m² | +15 m² +28% | 2021 |
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| Flat 73, Tallis Court, Kidman Close720 m away | 42 m² | 57 m² | +15 m² +36% | 2021 |
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| Flat 60, Tallis Court, Kidman Close720 m away | 54 m² | 69 m² | +15 m² +28% | 2019 |
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| 4, Prospect Road716 m away | 56 m² | 71 m² | +15 m² +27% | 2016 |
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| 72, Birch Crescent165 m away | 67 m² | 82 m² | +15 m² +22% | 2015 |
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