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 2DY
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 Avenue977 m away | 248 m² | 555 m² | +307 m² +124% | 2015 |
| 3, Russetts543 m away | 151 m² | 326 m² | +175 m² +116% | 2021 |
| 15, Nelmes Way762 m away | 113 m² | 281 m² | +168 m² +149% | 2017 |
| 41, Nelmes Way985 m away | 201 m² | 362 m² | +161 m² +80% | 2025 |
| 177, Main Road972 m away | 152 m² | 294 m² | +142 m² +93% | 2023 |
| 9, Ayloffs Walk731 m away | 143 m² | 285 m² | +142 m² +99% | 2020 |
| 60, Brookside907 m away | 115 m² | 243 m² | +128 m² +111% | 2016 |
| 268, Main Road961 m away | 221 m² | 348 m² | +127 m² +57% | 2025 |
| 2, Farnes Drive943 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.
| 257 m² |
| +119 m² +86% |
| 2024 |
| 8, Brookside820 m away | 112 m² | 231 m² | +119 m² +106% | 2022 |
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| 18, Hamilton Drive859 m away | 92 m² | 210 m² | +118 m² +128% | 2020 |
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| 1, Banyards730 m away | 142 m² | 256 m² | +114 m² +80% | 2023 |
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| 10, Eyre Close782 m away | 96 m² | 207 m² | +111 m² +116% | 2026 |
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| 47, Pemberton Avenue883 m away | 120 m² | 229 m² | +109 m² +91% | 2025 |
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| 15, Haynes Road250 m away | 85 m² | 191 m² | +106 m² +125% | 2019 |
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| 5, Mendoza Close957 m away | 209 m² | 314 m² | +105 m² +50% | 2022 |
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| 36, Redden Court Road763 m away | 118 m² | 221 m² | +103 m² +87% | 2021 |
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| 59, Ardleigh Green Road737 m away | 124 m² | 227 m² | +103 m² +83% | 2017 |
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| 475, Upper Brentwood Road659 m away | 85 m² | 180 m² | +95 m² +112% | 2022 |
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| 15, Edward Close719 m away | 143 m² | 234 m² | +91 m² +64% | 2026 |
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| 6, Western Avenue833 m away | 105 m² | 196 m² | +91 m² +87% | 2023 |
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| 284, Main Road961 m away | 160 m² | 250 m² | +90 m² +56% | 2025 |
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| 421, Brentwood Road763 m away | 147 m² | 236 m² | +89 m² +61% | 2023 |
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| 55, Gillian Crescent951 m away | 105 m² | 192 m² | +87 m² +83% | 2023 |
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| 37, Primrose Glen607 m away | 62 m² | 148 m² | +86 m² +139% | 2026 |
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| 3, Westmoreland Avenue536 m away | 112 m² | 192 m² | +80 m² +71% | 2025 |
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| 14a, Oak Glen436 m away | 76 m² | 156 m² | +80 m² +105% | 2023 |
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| 29, Nelmes Crescent983 m away | 146 m² | 225 m² | +79 m² +54% | 2023 |
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| 48, Castellan Avenue817 m away | 135 m² | 213 m² | +78 m² +58% | 2021 |
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| 4, Woodcutters Close304 m away | 145 m² | 222 m² | +77 m² +53% | 2020 |
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| 179, Southend Arterial Road669 m away | 107 m² | 184 m² | +77 m² +72% | 2020 |
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| 18, Compton Avenue675 m away | 87 m² | 163 m² | +76 m² +87% | 2025 |
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| 147, Haynes Road671 m away | 134 m² | 208 m² | +74 m² +55% | 2021 |
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| 52, Farnes Drive943 m away | 84 m² | 158 m² | +74 m² +88% | 2021 |
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| 163, Haynes Road671 m away | 79 m² | 153 m² | +74 m² +94% | 2017 |
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| 83, Haynes Road250 m away | 93 m² | 165 m² | +72 m² +77% | 2024 |
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| 21, Woodlands Avenue977 m away | 251 m² | 321 m² | +70 m² +28% | 2023 |
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| 6, Cotswold Road977 m away | 68 m² | 138 m² | +70 m² +103% | 2022 |
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| 14, Clunas Gardens492 m away | 74 m² | 143 m² | +69 m² +93% | 2023 |
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| 116, Cecil Avenue677 m away | 81 m² | 148 m² | +67 m² +83% | 2016 |
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| 80, Stafford Avenue232 m away | 44 m² | 108 m² | +64 m² +145% | 2024 |
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| 34, Bartholomew Drive943 m away | 89 m² | 153 m² | +64 m² +72% | 2021 |
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| 9, Russetts543 m away | 166 m² | 230 m² | +64 m² +39% | 2020 |
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| 106, Squirrels Heath Lane208 m away | 104 m² | 168 m² | +64 m² +62% | 2014 |
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| 94, Northumberland Avenue581 m away | 61 m² | 122 m² | +61 m² +100% | 2021 |
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| 24, Primrose Glen567 m away | 67 m² | 128 m² | +61 m² +91% | 2014 |
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| 184, Ardleigh Green Road465 m away | 86 m² | 146 m² | +60 m² +70% | 2026 |
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| 12, Slewins Lane948 m away | 77 m² | 137 m² | +60 m² +78% | 2014 |
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| 33, Wakerfield Close997 m away | 165 m² | 224 m² | +59 m² +36% | 2020 |
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| 310, Main Road955 m away | 126 m² | 185 m² | +59 m² +47% | 2018 |
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| 36, Gillian Crescent951 m away | 88 m² | 146 m² | +58 m² +66% | 2025 |
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| 85, Cecil Avenue677 m away | 90 m² | 147 m² | +57 m² +63% | 2025 |
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| 3, Mason Drive996 m away | 65 m² | 122 m² | +57 m² +88% | 2022 |
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| 550, Upper Brentwood Road696 m away | 89 m² | 146 m² | +57 m² +64% | 2017 |
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| 70, Primrose Glen567 m away | 66 m² | 122 m² | +56 m² +85% | 2026 |
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| 142, Amery Gardens468 m away | 124 m² | 180 m² | +56 m² +45% | 2017 |
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| 75, Redden Court Road811 m away | 89 m² | 145 m² | +56 m² +63% | 2016 |
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| 88, Squirrels Heath Lane208 m away | 87 m² | 142 m² | +55 m² +63% | 2025 |
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| 114, Squirrels Heath Lane0 m away | 143 m² | 198 m² | +55 m² +38% | 2023 |
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| 178, Ardleigh Green Road465 m away | 107 m² | 161 m² | +54 m² +50% | 2019 |
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| 4, Fleming Gardens933 m away | 66 m² | 119 m² | +53 m² +80% | 2024 |
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| 51, Stafford Avenue302 m away | 88 m² | 141 m² | +53 m² +60% | 2020 |
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| 12, Ashlyn Grove117 m away | 76 m² | 127 m² | +51 m² +67% | 2020 |
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| 17, Rowan Walk357 m away | 126 m² | 177 m² | +51 m² +40% | 2019 |
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| 191, Northumberland Avenue435 m away | 122 m² | 172 m² | +50 m² +41% | 2026 |
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| 17, Eugene Close682 m away | 82 m² | 132 m² | +50 m² +61% | 2025 |
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| 170, Ardleigh Green Road465 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
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| 268, Southend Arterial Road769 m away | 68 m² | 118 m² | +50 m² +74% | 2024 |
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| 29, Long Grove803 m away | 82 m² | 132 m² | +50 m² +61% | 2024 |
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| 322, Main Road955 m away | 89 m² | 139 m² | +50 m² +56% | 2021 |
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| 7, Hardley Crescent222 m away | 118 m² | 167 m² | +49 m² +42% | 2025 |
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| 14, Ferguson Avenue804 m away | 61 m² | 109 m² | +48 m² +79% | 2020 |
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| 12, Western Avenue833 m away | 120 m² | 167 m² | +47 m² +39% | 2020 |
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| Flat 8, Waterwell Court, 3a, Manor Avenue841 m away | 52 m² | 98 m² | +46 m² +88% | 2026 |
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| 31, Amery Gardens451 m away | 77 m² | 123 m² | +46 m² +60% | 2023 |
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| 23, Macdonald Avenue693 m away | 64 m² | 110 m² | +46 m² +72% | 2023 |
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| 284, Southend Arterial Road769 m away | 88 m² | 134 m² | +46 m² +52% | 2023 |
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| 185, Northumberland Avenue435 m away | 83 m² | 129 m² | +46 m² +55% | 2014 |
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| 69, Birch Crescent539 m away | 81 m² | 126 m² | +45 m² +56% | 2020 |
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| 7, Slewins Lane948 m away | 158 m² | 202 m² | +44 m² +28% | 2020 |
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| 119, Northumberland Avenue604 m away | 60 m² | 104 m² | +44 m² +73% | 2019 |
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| 26, Wallenger Avenue904 m away | 137 m² | 180 m² | +43 m² +31% | 2025 |
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| 71, Macdonald Avenue693 m away | 167 m² | 209 m² | +42 m² +25% | 2024 |
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| 183, Main Road972 m away | 99 m² | 141 m² | +42 m² +42% | 2022 |
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| 3, Oak Glen436 m away | 73 m² | 115 m² | +42 m² +58% | 2012 |
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| 3, Pemberton Avenue804 m away | 89 m² | 130 m² | +41 m² +46% | 2025 |
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| 2, Clunas Gardens492 m away | 72 m² | 112 m² | +40 m² +56% | 2025 |
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| 46, Squirrels Heath Lane406 m away | 112 m² | 152 m² | +40 m² +36% | 2022 |
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| 49, Hamilton Drive839 m away | 124 m² | 164 m² | +40 m² +32% | 2016 |
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| 130, Northumberland Avenue387 m away | 61 m² | 101 m² | +40 m² +66% | 2012 |
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| 70, Belgrave Avenue539 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
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| 55, Haynes Road250 m away | 92 m² | 131 m² | +39 m² +42% | 2022 |
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| 3, Rowan Walk357 m away | 165 m² | 204 m² | +39 m² +24% | 2020 |
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| 37, Cecil Avenue463 m away | 91 m² | 130 m² | +39 m² +43% | 2019 |
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| 130, Ardleigh Green Road311 m away | 80 m² | 118 m² | +38 m² +48% | 2025 |
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| 27, Slewins Lane948 m away | 88 m² | 126 m² | +38 m² +43% | 2024 |
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| 93, Belgrave Avenue575 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
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| 62, Cecil Avenue465 m away | 112 m² | 149 m² | +37 m² +33% | 2020 |
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| 99, Amery Gardens477 m away | 83 m² | 120 m² | +37 m² +45% | 2018 |
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| 43, Kingsley Gardens170 m away | 92 m² | 128 m² | +36 m² +39% | 2025 |
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| 222, Balgores Lane910 m away | 124 m² | 160 m² | +36 m² +29% | 2022 |
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| 28, Ferguson Court805 m away | 45 m² | 80 m² | +35 m² +78% | 2022 |
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| 196, Southend Arterial Road606 m away | 93 m² | 128 m² | +35 m² +38% | 2015 |
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| 33, Stafford Avenue302 m away | 59 m² | 93 m² | +34 m² +58% | 2024 |
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| 34, Brookside820 m away | 93 m² | 127 m² | +34 m² +37% | 2024 |
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| 12, Gillian Crescent951 m away | 99 m² | 133 m² | +34 m² +34% | 2022 |
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| 26, Oak Glen436 m away | 57 m² | 91 m² | +34 m² +60% | 2011 |
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| 2a, Coombe Road895 m away | 88 m² | 122 m² | +34 m² +39% | 2009 |
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| 25, Oak Glen436 m away | 60 m² | 93 m² | +33 m² +55% | 2025 |
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| 20, Pinecroft747 m away | 102 m² | 135 m² | +33 m² +32% | 2025 |
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| 20, Redden Court Road763 m away | 124 m² | 157 m² | +33 m² +27% | 2023 |
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| 18, Ferguson Avenue674 m away | 81 m² | 114 m² | +33 m² +41% | 2019 |
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| 465, Upper Brentwood Road659 m away | 87 m² | 120 m² | +33 m² +38% | 2013 |
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| 26, Montrose Avenue683 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
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| 179, Main Road972 m away | 147 m² | 179 m² | +32 m² +22% | 2021 |
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| 25, Platford Green745 m away | 101 m² | 133 m² | +32 m² +32% | 2017 |
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| 12, Eugene Close682 m away | 78 m² | 109 m² | +31 m² +40% | 2025 |
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| 32a, Northumberland Avenue807 m away | 113 m² | 144 m² | +31 m² +27% | 2023 |
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| 82, Haynes Road667 m away | 116 m² | 146 m² | +30 m² +26% | 2024 |
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| 36, Haynes Road282 m away | 84 m² | 114 m² | +30 m² +36% | 2023 |
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| 155, Squirrels Heath Lane140 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 92, Northumberland Avenue581 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 82, Stafford Avenue232 m away | 57 m² | 87 m² | +30 m² +53% | 2019 |
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| 86, Cambridge Avenue432 m away | 95 m² | 125 m² | +30 m² +32% | 2019 |
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| 8, Manor Crescent684 m away | 136 m² | 166 m² | +30 m² +22% | 2017 |
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| 114, Cecil Avenue677 m away | 96 m² | 125 m² | +29 m² +30% | 2025 |
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| 15, Jarvis Way941 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 452, Upper Brentwood Road529 m away | 165 m² | 194 m² | +29 m² +18% | 2021 |
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| 527, Upper Brentwood Road700 m away | 98 m² | 126 m² | +28 m² +29% | 2023 |
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| 2, Hamilton Drive859 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 6, Hamilton Drive859 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 51, Amery Gardens451 m away | 74 m² | 102 m² | +28 m² +38% | 2020 |
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| 12, Beaumont Close894 m away | 94 m² | 122 m² | +28 m² +30% | 2020 |
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| 37, Crossways945 m away | 170 m² | 198 m² | +28 m² +16% | 2014 |
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| 216, Southend Arterial Road606 m away | 116 m² | 143 m² | +27 m² +23% | 2025 |
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| 55, Cambridge Avenue452 m away | 83 m² | 110 m² | +27 m² +33% | 2020 |
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| 1, Ardleigh Green Road984 m away | 105 m² | 132 m² | +27 m² +26% | 2018 |
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| 6, Slewins Lane948 m away | 51 m² | 78 m² | +27 m² +53% | 2017 |
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| 22, Primrose Glen567 m away | 65 m² | 91 m² | +26 m² +40% | 2024 |
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| 590, Upper Brentwood Road794 m away | 134 m² | 160 m² | +26 m² +19% | 2024 |
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| 18, Hardley Crescent222 m away | 111 m² | 137 m² | +26 m² +23% | 2023 |
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| 15, Stafford Avenue302 m away | 75 m² | 101 m² | +26 m² +35% | 2022 |
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| 147, Squirrels Heath Lane0 m away | 101 m² | 127 m² | +26 m² +26% | 2012 |
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| 96, Cecil Avenue465 m away | 87 m² | 113 m² | +26 m² +30% | 2010 |
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| 20, Western Avenue833 m away | 107 m² | 132 m² | +25 m² +23% | 2026 |
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| 16, Eugene Close682 m away | 92 m² | 117 m² | +25 m² +27% | 2023 |
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| 55, Squirrels Heath Road887 m away | 150 m² | 175 m² | +25 m² +17% | 2023 |
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| 141, Squirrels Heath Lane0 m away | 104 m² | 129 m² | +25 m² +24% | 2022 |
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| 73, Redden Court Road811 m away | 89 m² | 113 m² | +24 m² +27% | 2025 |
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| Flat 55, Nyall Court, Kidman Close282 m away | 44 m² | 68 m² | +24 m² +55% | 2024 |
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| 52, Haynes Road282 m away | 89 m² | 113 m² | +24 m² +27% | 2023 |
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| 102, Northumberland Avenue581 m away | 67 m² | 91 m² | +24 m² +36% | 2023 |
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| Flat 64, Nyall Court, Kidman Close282 m away | 36 m² | 60 m² | +24 m² +67% | 2022 |
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| 4, Manor Crescent684 m away | 152 m² | 176 m² | +24 m² +16% | 2022 |
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| 85, Ferguson Avenue694 m away | 71 m² | 95 m² | +24 m² +34% | 2015 |
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| 210, Southend Arterial Road606 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 6b, Slewins Lane948 m away | 51 m² | 74 m² | +23 m² +45% | 2018 |
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| 189, Southend Arterial Road669 m away | 98 m² | 121 m² | +23 m² +23% | 2017 |
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| 12, Ferguson Court805 m away | 53 m² | 75 m² | +22 m² +42% | 2026 |
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| 104, Amery Gardens468 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
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| 57, Beltinge Road921 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
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| 46, Hamilton Drive859 m away | 89 m² | 110 m² | +21 m² +24% | 2026 |
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| 174, Ardleigh Green Road465 m away | 36 m² | 57 m² | +21 m² +58% | 2025 |
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| 67, Hamilton Drive839 m away | 137 m² | 158 m² | +21 m² +15% | 2025 |
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| 86a, Station Road709 m away | 75 m² | 96 m² | +21 m² +28% | 2024 |
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| 115, Northumberland Avenue604 m away | 58 m² | 79 m² | +21 m² +36% | 2023 |
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| 16, Warwick Gardens499 m away | 114 m² | 135 m² | +21 m² +18% | 2021 |
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| 33, Macdonald Avenue693 m away | 69 m² | 90 m² | +21 m² +30% | 2021 |
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| 12, Pinecroft747 m away | 73 m² | 94 m² | +21 m² +29% | 2019 |
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| 6, Kingsley Gardens160 m away | 81 m² | 102 m² | +21 m² +26% | 2018 |
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| 144, Ardleigh Green Road311 m away | 84 m² | 105 m² | +21 m² +25% | 2014 |
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| 32, Victoria House, Durham Avenue415 m away | 57 m² | 78 m² | +21 m² +37% | 2013 |
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| 2, Owlets Hall Close997 m away | 52 m² | 73 m² | +21 m² +40% | 2013 |
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| 31, Durham Avenue467 m away | 90 m² | 110 m² | +20 m² +22% | 2024 |
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| 55, Nightingale Crescent985 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
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| 153, Northumberland Avenue435 m away | 71 m² | 91 m² | +20 m² +28% | 2022 |
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| 55, Farnes Drive876 m away | 90 m² | 110 m² | +20 m² +22% | 2022 |
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| 130, Amery Gardens468 m away | 70 m² | 90 m² | +20 m² +29% | 2021 |
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| 1, Jarvis Way941 m away | 64 m² | 84 m² | +20 m² +31% | 2019 |
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| 92, Harwood Avenue522 m away | 71 m² | 91 m² | +20 m² +28% | 2013 |
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| 15, Manor Crescent684 m away | 90 m² | 109 m² | +19 m² +21% | 2026 |
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| 35, Harwood Avenue311 m away | 74 m² | 93 m² | +19 m² +26% | 2025 |
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| 56, Belgrave Avenue558 m away | 109 m² | 128 m² | +19 m² +17% | 2024 |
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| 511, Upper Brentwood Road700 m away | 122 m² | 141 m² | +19 m² +16% | 2024 |
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| 288, Southend Arterial Road769 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 13, Beltinge Road921 m away | 103 m² | 122 m² | +19 m² +18% | 2024 |
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| 58, Wallenger Avenue904 m away | 108 m² | 127 m² | +19 m² +18% | 2019 |
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| 15, Oak Glen436 m away | 115 m² | 134 m² | +19 m² +17% | 2018 |
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| 490, Upper Brentwood Road572 m away | 125 m² | 144 m² | +19 m² +15% | 2016 |
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| 33, Nelmes Crescent983 m away | 117 m² | 136 m² | +19 m² +16% | 2014 |
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| 132, Northumberland Avenue387 m away | 66 m² | 85 m² | +19 m² +29% | 2011 |
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| 8, Chadwick Drive887 m away | 18 m² | 37 m² | +19 m² +106% | 2009 |
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| 566, Upper Brentwood Road794 m away | 83 m² | 101 m² | +18 m² +22% | 2014 |
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| 64, Amery Gardens416 m away | 71 m² | 88 m² | +17 m² +24% | 2025 |
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| 13, Long Grove803 m away | 65 m² | 82 m² | +17 m² +26% | 2022 |
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| 124, Southend Arterial Road588 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
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| 25, Farnes Drive943 m away | 93 m² | 110 m² | +17 m² +18% | 2021 |
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| 19, Durham Avenue467 m away | 80 m² | 97 m² | +17 m² +21% | 2016 |
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| 1, Eugene Close682 m away | 80 m² | 97 m² | +17 m² +21% | 2015 |
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| 34 North Block, The Railstore, Kidman Close320 m away | 40 m² | 57 m² | +17 m² +43% | 2012 |
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