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 RM3 0WL
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 |
|---|---|---|---|---|
| 217, Main Road927 m away | 102 m² | 233 m² | +131 m² +128% | 2026 |
| 2, Farnes Drive745 m away | 138 m² | 257 m² | +119 m² +86% | 2024 |
| 18, Hamilton Drive270 m away | 92 m² | 210 m² | +118 m² +128% | 2020 |
| 36, Redden Court Road538 m away | 118 m² | 221 m² | +103 m² +87% | 2021 |
| 21, Sackville Crescent817 m away | 80 m² | 176 m² | +96 m² +120% | 2024 |
| 227, Main Road927 m away | 107 m² | 199 m² | +92 m² +86% | 2023 |
| 15, Edward Close891 m away | 143 m² | 234 m² | +91 m² +64% | 2026 |
| 6, Western Avenue878 m away | 105 m² | 196 m² | +91 m² +87% | 2023 |
| 101, Neave Crescent818 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.
| 78 m² |
| 168 m² |
| +90 m² +115% |
| 2014 |
| 55, Gillian Crescent676 m away | 105 m² | 192 m² | +87 m² +83% | 2023 |
|---|
| 51, Recreation Avenue800 m away | 87 m² | 172 m² | +85 m² +98% | 2021 |
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| 37, Primrose Glen781 m away | 62 m² | 142 m² | +80 m² +129% | 2026 |
|---|
| 14a, Oak Glen561 m away | 76 m² | 156 m² | +80 m² +105% | 2023 |
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| 179, Southend Arterial Road458 m away | 107 m² | 184 m² | +77 m² +72% | 2020 |
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| 11, Elderberry Close416 m away | 144 m² | 219 m² | +75 m² +52% | 2026 |
|---|
| 52, Farnes Drive745 m away | 84 m² | 158 m² | +74 m² +88% | 2021 |
|---|
| 87, Arlington Gardens721 m away | 59 m² | 129 m² | +70 m² +119% | 2023 |
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| 6, Cotswold Road563 m away | 68 m² | 138 m² | +70 m² +103% | 2022 |
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| 14, Clunas Gardens469 m away | 74 m² | 143 m² | +69 m² +93% | 2023 |
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| 11, Camellia Close533 m away | 60 m² | 129 m² | +69 m² +115% | 2023 |
|---|
| 41, Newhall Drive790 m away | 101 m² | 170 m² | +69 m² +68% | 2018 |
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| 116, Cecil Avenue668 m away | 81 m² | 148 m² | +67 m² +83% | 2016 |
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| 42, Gubbins Lane750 m away | 82 m² | 146 m² | +64 m² +78% | 2025 |
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| 80, Stafford Avenue620 m away | 44 m² | 108 m² | +64 m² +145% | 2024 |
|---|
| 34, Bartholomew Drive305 m away | 89 m² | 153 m² | +64 m² +72% | 2021 |
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| 106, Squirrels Heath Lane936 m away | 104 m² | 168 m² | +64 m² +62% | 2014 |
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| 38, Newhall Drive790 m away | 88 m² | 151 m² | +63 m² +72% | 2026 |
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| 7, Chelsworth Drive903 m away | 89 m² | 150 m² | +61 m² +69% | 2025 |
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| 109, Gubbins Lane990 m away | 96 m² | 157 m² | +61 m² +64% | 2022 |
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| 24, Primrose Glen740 m away | 67 m² | 128 m² | +61 m² +91% | 2014 |
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| 184, Ardleigh Green Road356 m away | 86 m² | 146 m² | +60 m² +70% | 2026 |
|---|
| 310, Main Road927 m away | 126 m² | 185 m² | +59 m² +47% | 2018 |
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| 36, Gillian Crescent676 m away | 88 m² | 146 m² | +58 m² +66% | 2025 |
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| 85, Cecil Avenue668 m away | 90 m² | 147 m² | +57 m² +63% | 2025 |
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| 52, Tindall Close600 m away | 97 m² | 154 m² | +57 m² +59% | 2024 |
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| 3, Mason Drive252 m away | 65 m² | 122 m² | +57 m² +88% | 2022 |
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| 15, Chelsworth Drive903 m away | 86 m² | 143 m² | +57 m² +66% | 2022 |
|---|
| 550, Upper Brentwood Road786 m away | 89 m² | 146 m² | +57 m² +64% | 2017 |
|---|
| 70, Primrose Glen740 m away | 66 m² | 122 m² | +56 m² +85% | 2026 |
|---|
| 142, Amery Gardens351 m away | 124 m² | 180 m² | +56 m² +45% | 2017 |
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| 75, Redden Court Road555 m away | 89 m² | 145 m² | +56 m² +63% | 2016 |
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| 88, Squirrels Heath Lane936 m away | 87 m² | 142 m² | +55 m² +63% | 2025 |
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| 114, Squirrels Heath Lane760 m away | 143 m² | 198 m² | +55 m² +38% | 2023 |
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| 178, Ardleigh Green Road356 m away | 107 m² | 161 m² | +54 m² +50% | 2019 |
|---|
| 4, Fleming Gardens249 m away | 66 m² | 119 m² | +53 m² +80% | 2024 |
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| 51, Stafford Avenue458 m away | 88 m² | 141 m² | +53 m² +60% | 2020 |
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| 38, Juniper Way382 m away | 38 m² | 91 m² | +53 m² +139% | 2019 |
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| 12, Ashlyn Grove643 m away | 76 m² | 127 m² | +51 m² +67% | 2020 |
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| 29, Long Grove65 m away | 82 m² | 132 m² | +50 m² +61% | 2024 |
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| 170, Ardleigh Green Road356 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
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| 268, Southend Arterial Road727 m away | 68 m² | 118 m² | +50 m² +74% | 2024 |
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| 322, Main Road927 m away | 89 m² | 139 m² | +50 m² +56% | 2021 |
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| 7, Hardley Crescent973 m away | 118 m² | 167 m² | +49 m² +42% | 2025 |
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| 14, Ferguson Avenue610 m away | 61 m² | 109 m² | +48 m² +79% | 2020 |
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| 12, Western Avenue878 m away | 120 m² | 167 m² | +47 m² +39% | 2020 |
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| 18, Columbine Way535 m away | 60 m² | 106 m² | +46 m² +77% | 2025 |
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| 31, Amery Gardens551 m away | 77 m² | 123 m² | +46 m² +60% | 2023 |
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| 284, Southend Arterial Road727 m away | 88 m² | 134 m² | +46 m² +52% | 2023 |
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| 23, Macdonald Avenue851 m away | 64 m² | 110 m² | +46 m² +72% | 2023 |
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| 69, Birch Crescent854 m away | 81 m² | 126 m² | +45 m² +56% | 2020 |
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| 44, Rosslyn Avenue453 m away | 98 m² | 141 m² | +43 m² +44% | 2024 |
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| 71, Macdonald Avenue851 m away | 167 m² | 209 m² | +42 m² +25% | 2024 |
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| 3, Oak Glen561 m away | 73 m² | 115 m² | +42 m² +58% | 2012 |
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| 2, Clunas Gardens469 m away | 72 m² | 112 m² | +40 m² +56% | 2025 |
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| 7, Widecombe Close694 m away | 39 m² | 79 m² | +40 m² +103% | 2025 |
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| 21, Athelstan Road859 m away | 91 m² | 131 m² | +40 m² +44% | 2024 |
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| 49, Hamilton Drive225 m away | 124 m² | 164 m² | +40 m² +32% | 2016 |
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| 70, Belgrave Avenue417 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
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| 11, Athelstan Road897 m away | 121 m² | 160 m² | +39 m² +32% | 2021 |
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| 37, Cecil Avenue644 m away | 91 m² | 130 m² | +39 m² +43% | 2019 |
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| 130, Ardleigh Green Road479 m away | 80 m² | 118 m² | +38 m² +48% | 2025 |
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| 93, Belgrave Avenue425 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
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| 62, Cecil Avenue682 m away | 112 m² | 149 m² | +37 m² +33% | 2020 |
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| 99, Amery Gardens380 m away | 83 m² | 120 m² | +37 m² +45% | 2018 |
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| 43, Kingsley Gardens878 m away | 92 m² | 128 m² | +36 m² +39% | 2025 |
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| 28, Ferguson Court490 m away | 45 m² | 80 m² | +35 m² +78% | 2022 |
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| 196, Southend Arterial Road477 m away | 93 m² | 128 m² | +35 m² +38% | 2015 |
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| 33, Stafford Avenue458 m away | 59 m² | 93 m² | +34 m² +58% | 2024 |
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| 12, Gillian Crescent676 m away | 99 m² | 133 m² | +34 m² +34% | 2022 |
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| 26, Oak Glen561 m away | 57 m² | 91 m² | +34 m² +60% | 2011 |
|---|
| 2a, Coombe Road748 m away | 88 m² | 122 m² | +34 m² +39% | 2009 |
|---|
| 25, Oak Glen561 m away | 60 m² | 93 m² | +33 m² +55% | 2025 |
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| 20, Redden Court Road538 m away | 124 m² | 157 m² | +33 m² +27% | 2023 |
|---|
| 2, Saxon Close813 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
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| 18, Ferguson Avenue464 m away | 81 m² | 114 m² | +33 m² +41% | 2019 |
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| 26, Montrose Avenue608 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
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| 28, Straight Road868 m away | 70 m² | 102 m² | +32 m² +46% | 2014 |
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| 4, Chelsworth Close956 m away | 87 m² | 118 m² | +31 m² +36% | 2024 |
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| 33, Arlington Gardens650 m away | 95 m² | 125 m² | +30 m² +32% | 2026 |
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| 155, Squirrels Heath Lane704 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 82, Stafford Avenue620 m away | 57 m² | 87 m² | +30 m² +53% | 2019 |
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| 86, Cambridge Avenue683 m away | 95 m² | 125 m² | +30 m² +32% | 2019 |
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| 31, Arlington Gardens650 m away | 119 m² | 149 m² | +30 m² +25% | 2015 |
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| 15, Jarvis Way192 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 114, Cecil Avenue668 m away | 96 m² | 125 m² | +29 m² +30% | 2025 |
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| 17, Wordsworth Close982 m away | 88 m² | 117 m² | +29 m² +33% | 2023 |
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| 25, Whitmore Avenue321 m away | 62 m² | 91 m² | +29 m² +47% | 2018 |
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| 37, St Clements Avenue652 m away | 154 m² | 183 m² | +29 m² +19% | 2015 |
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| 2, Hamilton Drive270 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 6, Hamilton Drive270 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 527, Upper Brentwood Road830 m away | 98 m² | 126 m² | +28 m² +29% | 2023 |
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| 21, Briars Walk501 m away | 78 m² | 106 m² | +28 m² +36% | 2021 |
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| 51, Amery Gardens551 m away | 74 m² | 102 m² | +28 m² +38% | 2020 |
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| 12, Beaumont Close879 m away | 94 m² | 122 m² | +28 m² +30% | 2020 |
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| 216, Southend Arterial Road477 m away | 116 m² | 143 m² | +27 m² +23% | 2025 |
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| 55, Cambridge Avenue721 m away | 83 m² | 110 m² | +27 m² +33% | 2020 |
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| 22, Primrose Glen740 m away | 65 m² | 91 m² | +26 m² +40% | 2024 |
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| 590, Upper Brentwood Road752 m away | 134 m² | 160 m² | +26 m² +19% | 2024 |
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| 158, Squirrels Heath Road874 m away | 128 m² | 154 m² | +26 m² +20% | 2024 |
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| 46, Straight Road868 m away | 82 m² | 108 m² | +26 m² +32% | 2023 |
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| 18, Hardley Crescent973 m away | 111 m² | 137 m² | +26 m² +23% | 2023 |
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| 15, Stafford Avenue458 m away | 75 m² | 101 m² | +26 m² +35% | 2022 |
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| 30, Coombe Road823 m away | 87 m² | 113 m² | +26 m² +30% | 2014 |
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| 147, Squirrels Heath Lane760 m away | 101 m² | 127 m² | +26 m² +26% | 2012 |
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| 96, Cecil Avenue682 m away | 87 m² | 113 m² | +26 m² +30% | 2010 |
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| 20, Western Avenue878 m away | 107 m² | 132 m² | +25 m² +23% | 2026 |
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| 55, Squirrels Heath Road393 m away | 150 m² | 175 m² | +25 m² +17% | 2023 |
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| 141, Squirrels Heath Lane760 m away | 104 m² | 129 m² | +25 m² +24% | 2022 |
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| 65, Sackville Crescent622 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 4, Columbine Way535 m away | 73 m² | 98 m² | +25 m² +34% | 2014 |
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| 73, Redden Court Road555 m away | 89 m² | 113 m² | +24 m² +27% | 2025 |
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| Flat 55, Nyall Court, Kidman Close860 m away | 44 m² | 68 m² | +24 m² +55% | 2024 |
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| Flat 64, Nyall Court, Kidman Close860 m away | 36 m² | 60 m² | +24 m² +67% | 2022 |
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| 85, Ferguson Avenue436 m away | 71 m² | 95 m² | +24 m² +34% | 2015 |
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| 172, Squirrels Heath Road874 m away | 115 m² | 138 m² | +23 m² +20% | 2026 |
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| 1, Gascoyne Close910 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
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| 210, Southend Arterial Road477 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 189, Southend Arterial Road458 m away | 98 m² | 121 m² | +23 m² +23% | 2017 |
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| 12, Ferguson Court490 m away | 53 m² | 75 m² | +22 m² +42% | 2026 |
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| 104, Amery Gardens351 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
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| 57, Beltinge Road606 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
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| 21, The Drive749 m away | 89 m² | 111 m² | +22 m² +25% | 2022 |
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| 46, Hamilton Drive270 m away | 89 m² | 110 m² | +21 m² +24% | 2026 |
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| 67, Hamilton Drive225 m away | 137 m² | 158 m² | +21 m² +15% | 2025 |
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| 174, Ardleigh Green Road356 m away | 36 m² | 57 m² | +21 m² +58% | 2025 |
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| 92, Rosslyn Avenue453 m away | 110 m² | 131 m² | +21 m² +19% | 2024 |
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| 39, Oak Road838 m away | 20 m² | 41 m² | +21 m² +105% | 2024 |
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| 45, Gubbins Lane750 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
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| 27, Paignton Close764 m away | 107 m² | 128 m² | +21 m² +20% | 2021 |
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| 16, Warwick Gardens783 m away | 114 m² | 135 m² | +21 m² +18% | 2021 |
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| 33, Macdonald Avenue851 m away | 69 m² | 90 m² | +21 m² +30% | 2021 |
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| 6, Kingsley Gardens891 m away | 81 m² | 102 m² | +21 m² +26% | 2018 |
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| 144, Ardleigh Green Road479 m away | 84 m² | 105 m² | +21 m² +25% | 2014 |
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| 2, Owlets Hall Close892 m away | 52 m² | 73 m² | +21 m² +40% | 2013 |
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| 55, Nightingale Crescent228 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
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| 55, Farnes Drive598 m away | 90 m² | 110 m² | +20 m² +22% | 2022 |
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| 130, Amery Gardens351 m away | 70 m² | 90 m² | +20 m² +29% | 2021 |
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| 1, Jarvis Way192 m away | 64 m² | 84 m² | +20 m² +31% | 2019 |
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| 92, Harwood Avenue520 m away | 71 m² | 91 m² | +20 m² +28% | 2013 |
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| 1, Pearcy Close942 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 35, Harwood Avenue570 m away | 74 m² | 93 m² | +19 m² +26% | 2025 |
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| 56, Belgrave Avenue539 m away | 109 m² | 128 m² | +19 m² +17% | 2024 |
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| 13, Beltinge Road606 m away | 103 m² | 122 m² | +19 m² +18% | 2024 |
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| 288, Southend Arterial Road727 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 511, Upper Brentwood Road830 m away | 122 m² | 141 m² | +19 m² +16% | 2024 |
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| 15, Oak Glen561 m away | 115 m² | 134 m² | +19 m² +17% | 2018 |
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| 91, Arlington Gardens721 m away | 51 m² | 70 m² | +19 m² +37% | 2016 |
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| 490, Upper Brentwood Road863 m away | 125 m² | 144 m² | +19 m² +15% | 2016 |
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| 51, Masefield Crescent933 m away | 124 m² | 143 m² | +19 m² +15% | 2011 |
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| 8, Chadwick Drive261 m away | 18 m² | 37 m² | +19 m² +106% | 2009 |
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| 2b, Athelstan Road897 m away | 106 m² | 124 m² | +18 m² +17% | 2023 |
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| 62, Masefield Crescent933 m away | 85 m² | 103 m² | +18 m² +21% | 2023 |
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| 10, Launceston Close766 m away | 104 m² | 122 m² | +18 m² +17% | 2019 |
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| 128, Gubbins Lane990 m away | 59 m² | 77 m² | +18 m² +31% | 2016 |
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| 566, Upper Brentwood Road752 m away | 83 m² | 101 m² | +18 m² +22% | 2014 |
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| 50, Gubbins Lane750 m away | 47 m² | 65 m² | +18 m² +38% | 2009 |
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| 64, Amery Gardens584 m away | 71 m² | 88 m² | +17 m² +24% | 2025 |
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| 68, Gubbins Lane866 m away | 73 m² | 90 m² | +17 m² +23% | 2025 |
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| 8, Buttercup Close502 m away | 83 m² | 100 m² | +17 m² +20% | 2024 |
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| 13, Long Grove65 m away | 65 m² | 82 m² | +17 m² +26% | 2022 |
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| 124, Southend Arterial Road228 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
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| 25, Farnes Drive745 m away | 93 m² | 110 m² | +17 m² +18% | 2021 |
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| 36, Ethelburga Road960 m away | 76 m² | 93 m² | +17 m² +22% | 2021 |
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| 137, Squirrels Heath Road816 m away | 83 m² | 100 m² | +17 m² +20% | 2020 |
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| 34 North Block, The Railstore, Kidman Close804 m away | 40 m² | 57 m² | +17 m² +43% | 2012 |
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| Flat 3, Tallis Court, Kidman Close905 m away | 38 m² | 55 m² | +17 m² +45% | 2010 |
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| Flat 62, Nyall Court, Kidman Close860 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
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| 82, Harwood Avenue520 m away | 71 m² | 87 m² | +16 m² +23% | 2024 |
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| Flat 6, Jenner House, 41, Nightingale Crescent199 m away | 50 m² | 66 m² | +16 m² +32% | 2022 |
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| 32, Harris Close945 m away | 79 m² | 95 m² | +16 m² +20% | 2020 |
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| Flat 1, Barnard House, 2, Nightingale Crescent224 m away | 40 m² | 56 m² | +16 m² +40% | 2014 |
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| 552, Upper Brentwood Road786 m away | 85 m² | 101 m² | +16 m² +19% | 2013 |
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| Flat 8, Dreywood Court, 53, Squirrels Heath Lane989 m away | 69 m² | 84 m² | +15 m² +22% | 2026 |
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| 72, Cambridge Avenue683 m away | 88 m² | 103 m² | +15 m² +17% | 2023 |
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| 22 North Block, The Railstore, Kidman Close804 m away | 65 m² | 80 m² | +15 m² +23% | 2023 |
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| Flat 60, Nyall Court, Kidman Close860 m away | 53 m² | 68 m² | +15 m² +28% | 2021 |
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| Flat 73, Tallis Court, Kidman Close905 m away | 42 m² | 57 m² | +15 m² +36% | 2021 |
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| Flat 60, Tallis Court, Kidman Close905 m away | 54 m² | 69 m² | +15 m² +28% | 2019 |
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| 72, Birch Crescent866 m away | 67 m² | 82 m² | +15 m² +22% | 2015 |
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