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 0WY
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 Road949 m away | 102 m² | 233 m² | +131 m² +128% | 2026 |
| 2, Farnes Drive763 m away | 138 m² | 257 m² | +119 m² +86% | 2024 |
| 18, Hamilton Drive451 m away | 92 m² | 210 m² | +118 m² +128% | 2020 |
| 36, Redden Court Road789 m away | 118 m² | 221 m² | +103 m² +87% | 2021 |
| 21, Sackville Crescent519 m away | 80 m² | 176 m² | +96 m² +120% | 2024 |
| 227, Main Road949 m away | 107 m² | 199 m² | +92 m² +86% | 2023 |
| 6, Western Avenue975 m away | 105 m² | 196 m² | +91 m² +87% | 2023 |
| 101, Neave Crescent581 m away | 78 m² | 168 m² | +90 m² +115% | 2014 |
| 55, Gillian Crescent673 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.
| 105 m² |
| 192 m² |
| +87 m² +83% |
| 2023 |
| 51, Recreation Avenue915 m away | 87 m² | 172 m² | +85 m² +98% | 2021 |
|---|
| 14a, Oak Glen877 m away | 76 m² | 156 m² | +80 m² +105% | 2023 |
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| 60, Byron Way990 m away | 100 m² | 179 m² | +79 m² +79% | 2025 |
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| 179, Southend Arterial Road735 m away | 107 m² | 184 m² | +77 m² +72% | 2020 |
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| 11, Elderberry Close322 m away | 144 m² | 219 m² | +75 m² +52% | 2026 |
|---|
| 52, Farnes Drive763 m away | 84 m² | 158 m² | +74 m² +88% | 2021 |
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| 11, Alverstoke Road750 m away | 70 m² | 142 m² | +72 m² +103% | 2022 |
|---|
| 87, Arlington Gardens430 m away | 59 m² | 129 m² | +70 m² +119% | 2023 |
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| 6, Cotswold Road727 m away | 68 m² | 138 m² | +70 m² +103% | 2022 |
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| 11, Camellia Close215 m away | 60 m² | 129 m² | +69 m² +115% | 2023 |
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| 14, Clunas Gardens688 m away | 74 m² | 143 m² | +69 m² +93% | 2023 |
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| 41, Newhall Drive510 m away | 101 m² | 170 m² | +69 m² +68% | 2018 |
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| 18, Camborne Avenue827 m away | 70 m² | 138 m² | +68 m² +97% | 2015 |
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| 116, Cecil Avenue949 m away | 81 m² | 148 m² | +67 m² +83% | 2016 |
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| 42, Gubbins Lane704 m away | 82 m² | 146 m² | +64 m² +78% | 2025 |
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| 80, Stafford Avenue898 m away | 44 m² | 108 m² | +64 m² +145% | 2024 |
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| 34, Bartholomew Drive216 m away | 89 m² | 153 m² | +64 m² +72% | 2021 |
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| 38, Newhall Drive510 m away | 88 m² | 151 m² | +63 m² +72% | 2026 |
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| 7, Chelsworth Drive647 m away | 89 m² | 150 m² | +61 m² +69% | 2025 |
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| 109, Gubbins Lane756 m away | 96 m² | 157 m² | +61 m² +64% | 2022 |
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| 184, Ardleigh Green Road677 m away | 86 m² | 146 m² | +60 m² +70% | 2026 |
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| 310, Main Road983 m away | 126 m² | 185 m² | +59 m² +47% | 2018 |
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| 36, Gillian Crescent673 m away | 88 m² | 146 m² | +58 m² +66% | 2025 |
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| 85, Cecil Avenue949 m away | 90 m² | 147 m² | +57 m² +63% | 2025 |
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| 52, Tindall Close643 m away | 97 m² | 154 m² | +57 m² +59% | 2024 |
|---|
| 3, Mason Drive70 m away | 65 m² | 122 m² | +57 m² +88% | 2022 |
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| 15, Chelsworth Drive647 m away | 86 m² | 143 m² | +57 m² +66% | 2022 |
|---|
| 550, Upper Brentwood Road924 m away | 89 m² | 146 m² | +57 m² +64% | 2017 |
|---|
| 142, Amery Gardens617 m away | 124 m² | 180 m² | +56 m² +45% | 2017 |
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| 75, Redden Court Road792 m away | 89 m² | 145 m² | +56 m² +63% | 2016 |
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| 178, Ardleigh Green Road677 m away | 107 m² | 161 m² | +54 m² +50% | 2019 |
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| 4, Fleming Gardens167 m away | 66 m² | 119 m² | +53 m² +80% | 2024 |
|---|
| 51, Stafford Avenue766 m away | 88 m² | 141 m² | +53 m² +60% | 2020 |
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| 38, Juniper Way61 m away | 38 m² | 91 m² | +53 m² +139% | 2019 |
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| 12, Ashlyn Grove949 m away | 76 m² | 127 m² | +51 m² +67% | 2020 |
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| 24, Sunnydene Close968 m away | 72 m² | 123 m² | +51 m² +71% | 2014 |
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| 29, Long Grove306 m away | 82 m² | 132 m² | +50 m² +61% | 2024 |
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| 170, Ardleigh Green Road677 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
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| 268, Southend Arterial Road992 m away | 68 m² | 118 m² | +50 m² +74% | 2024 |
|---|
| 322, Main Road983 m away | 89 m² | 139 m² | +50 m² +56% | 2021 |
|---|
| 14, Ferguson Avenue677 m away | 61 m² | 109 m² | +48 m² +79% | 2020 |
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| 12, Western Avenue975 m away | 120 m² | 167 m² | +47 m² +39% | 2020 |
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| 18, Columbine Way214 m away | 60 m² | 106 m² | +46 m² +77% | 2025 |
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| 31, Amery Gardens773 m away | 77 m² | 123 m² | +46 m² +60% | 2023 |
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| 284, Southend Arterial Road992 m away | 88 m² | 134 m² | +46 m² +52% | 2023 |
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| 44, Rosslyn Avenue488 m away | 98 m² | 141 m² | +43 m² +44% | 2024 |
|---|
| 3, Oak Glen877 m away | 73 m² | 115 m² | +42 m² +58% | 2012 |
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| 7, Widecombe Close522 m away | 39 m² | 79 m² | +40 m² +103% | 2025 |
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| 2, Clunas Gardens688 m away | 72 m² | 112 m² | +40 m² +56% | 2025 |
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| 73, Camborne Avenue827 m away | 83 m² | 123 m² | +40 m² +48% | 2025 |
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| 21, Athelstan Road811 m away | 91 m² | 131 m² | +40 m² +44% | 2024 |
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| 49, Hamilton Drive418 m away | 124 m² | 164 m² | +40 m² +32% | 2016 |
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| 70, Belgrave Avenue626 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
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| 11, Athelstan Road892 m away | 121 m² | 160 m² | +39 m² +32% | 2021 |
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| 37, Cecil Avenue957 m away | 91 m² | 130 m² | +39 m² +43% | 2019 |
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| 130, Ardleigh Green Road798 m away | 80 m² | 118 m² | +38 m² +48% | 2025 |
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| 93, Belgrave Avenue614 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
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| 62, Cecil Avenue995 m away | 112 m² | 149 m² | +37 m² +33% | 2020 |
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| 99, Amery Gardens630 m away | 83 m² | 120 m² | +37 m² +45% | 2018 |
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| 28, Ferguson Court545 m away | 45 m² | 80 m² | +35 m² +78% | 2022 |
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| 196, Southend Arterial Road770 m away | 93 m² | 128 m² | +35 m² +38% | 2015 |
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| 33, Stafford Avenue766 m away | 59 m² | 93 m² | +34 m² +58% | 2024 |
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| 12, Gillian Crescent673 m away | 99 m² | 133 m² | +34 m² +34% | 2022 |
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| 26, Oak Glen877 m away | 57 m² | 91 m² | +34 m² +60% | 2011 |
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| 2a, Coombe Road981 m away | 88 m² | 122 m² | +34 m² +39% | 2009 |
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| 25, Oak Glen877 m away | 60 m² | 93 m² | +33 m² +55% | 2025 |
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| 3, Abbotts Court, Queens Park Road937 m away | 31 m² | 64 m² | +33 m² +106% | 2025 |
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| 2, Saxon Close762 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
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| 20, Redden Court Road789 m away | 124 m² | 157 m² | +33 m² +27% | 2023 |
|---|
| 18, Ferguson Avenue597 m away | 81 m² | 114 m² | +33 m² +41% | 2019 |
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| 26, Montrose Avenue735 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
|---|
| 28, Straight Road722 m away | 70 m² | 102 m² | +32 m² +46% | 2014 |
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| 10, Lancing Road933 m away | 87 m² | 118 m² | +31 m² +36% | 2025 |
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| 4, Chelsworth Close685 m away | 87 m² | 118 m² | +31 m² +36% | 2024 |
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| 53, Arundel Road844 m away | 130 m² | 161 m² | +31 m² +24% | 2015 |
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| 33, Arlington Gardens355 m away | 95 m² | 125 m² | +30 m² +32% | 2026 |
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| 82, Stafford Avenue898 m away | 57 m² | 87 m² | +30 m² +53% | 2019 |
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| 86, Cambridge Avenue904 m away | 95 m² | 125 m² | +30 m² +32% | 2019 |
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| 31, Arlington Gardens355 m away | 119 m² | 149 m² | +30 m² +25% | 2015 |
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| 15, Jarvis Way129 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 114, Cecil Avenue949 m away | 96 m² | 125 m² | +29 m² +30% | 2025 |
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| 17, Wordsworth Close886 m away | 88 m² | 117 m² | +29 m² +33% | 2023 |
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| 25, Whitmore Avenue0 m away | 62 m² | 91 m² | +29 m² +47% | 2018 |
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| 37, St Clements Avenue474 m away | 154 m² | 183 m² | +29 m² +19% | 2015 |
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| 2, Hamilton Drive451 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 6, Hamilton Drive451 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 527, Upper Brentwood Road972 m away | 98 m² | 126 m² | +28 m² +29% | 2023 |
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| 21, Briars Walk491 m away | 78 m² | 106 m² | +28 m² +36% | 2021 |
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| 51, Amery Gardens773 m away | 74 m² | 102 m² | +28 m² +38% | 2020 |
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| 12, Beaumont Close952 m away | 94 m² | 122 m² | +28 m² +30% | 2020 |
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| 216, Southend Arterial Road770 m away | 116 m² | 143 m² | +27 m² +23% | 2025 |
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| 14, Keighley Road863 m away | 83 m² | 110 m² | +27 m² +33% | 2025 |
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| 55, Cambridge Avenue936 m away | 83 m² | 110 m² | +27 m² +33% | 2020 |
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| 590, Upper Brentwood Road844 m away | 134 m² | 160 m² | +26 m² +19% | 2024 |
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| 4, Camborne Way854 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 158, Squirrels Heath Road905 m away | 128 m² | 154 m² | +26 m² +20% | 2024 |
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| 37, Pearcy Close628 m away | 89 m² | 115 m² | +26 m² +29% | 2023 |
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| 46, Straight Road722 m away | 82 m² | 108 m² | +26 m² +32% | 2023 |
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| 15, Stafford Avenue766 m away | 75 m² | 101 m² | +26 m² +35% | 2022 |
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| 96, Cecil Avenue995 m away | 87 m² | 113 m² | +26 m² +30% | 2010 |
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| 15, Avenue Road921 m away | 31 m² | 56 m² | +25 m² +81% | 2026 |
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| 20, Western Avenue975 m away | 107 m² | 132 m² | +25 m² +23% | 2026 |
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| 55, Squirrels Heath Road572 m away | 150 m² | 175 m² | +25 m² +17% | 2023 |
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| 65, Sackville Crescent310 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 4, Columbine Way214 m away | 73 m² | 98 m² | +25 m² +34% | 2014 |
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| 73, Redden Court Road792 m away | 89 m² | 113 m² | +24 m² +27% | 2025 |
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| 85, Ferguson Avenue560 m away | 71 m² | 95 m² | +24 m² +34% | 2015 |
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| 27, Byron Way945 m away | 62 m² | 86 m² | +24 m² +39% | 2012 |
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| 1, Gascoyne Close647 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
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| 25, Arundel Road844 m away | 51 m² | 74 m² | +23 m² +45% | 2026 |
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| 172, Squirrels Heath Road905 m away | 115 m² | 138 m² | +23 m² +20% | 2026 |
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| 1, Melksham Close927 m away | 92 m² | 115 m² | +23 m² +25% | 2023 |
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| 210, Southend Arterial Road770 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 189, Southend Arterial Road735 m away | 98 m² | 121 m² | +23 m² +23% | 2017 |
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| 12, Ferguson Court545 m away | 53 m² | 75 m² | +22 m² +42% | 2026 |
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| 139, Briar Road958 m away | 95 m² | 117 m² | +22 m² +23% | 2026 |
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| 104, Amery Gardens617 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
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| 21, The Drive541 m away | 89 m² | 111 m² | +22 m² +25% | 2022 |
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| 57, Beltinge Road806 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
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| 70, Byron Way990 m away | 89 m² | 111 m² | +22 m² +25% | 2017 |
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| 46, Hamilton Drive451 m away | 89 m² | 110 m² | +21 m² +24% | 2026 |
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| 67, Hamilton Drive418 m away | 137 m² | 158 m² | +21 m² +15% | 2025 |
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| 174, Ardleigh Green Road677 m away | 36 m² | 57 m² | +21 m² +58% | 2025 |
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| 92, Rosslyn Avenue488 m away | 110 m² | 131 m² | +21 m² +19% | 2024 |
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| 39, Oak Road737 m away | 20 m² | 41 m² | +21 m² +105% | 2024 |
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| 45, Gubbins Lane704 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
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| 27, Paignton Close548 m away | 107 m² | 128 m² | +21 m² +20% | 2021 |
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| 6, Melksham Green786 m away | 84 m² | 105 m² | +21 m² +25% | 2021 |
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| 16, Warwick Gardens987 m away | 114 m² | 135 m² | +21 m² +18% | 2021 |
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| 144, Ardleigh Green Road798 m away | 84 m² | 105 m² | +21 m² +25% | 2014 |
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| 55, Nightingale Crescent108 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
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| 55, Farnes Drive624 m away | 90 m² | 110 m² | +20 m² +22% | 2022 |
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| 130, Amery Gardens617 m away | 70 m² | 90 m² | +20 m² +29% | 2021 |
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| 4, Arundel Road815 m away | 74 m² | 94 m² | +20 m² +27% | 2021 |
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| 1, Jarvis Way129 m away | 64 m² | 84 m² | +20 m² +31% | 2019 |
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| 92, Harwood Avenue827 m away | 71 m² | 91 m² | +20 m² +28% | 2013 |
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| 1, Pearcy Close628 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 35, Harwood Avenue892 m away | 74 m² | 93 m² | +19 m² +26% | 2025 |
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| 56, Belgrave Avenue722 m away | 109 m² | 128 m² | +19 m² +17% | 2024 |
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| 13, Beltinge Road806 m away | 103 m² | 122 m² | +19 m² +18% | 2024 |
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| 511, Upper Brentwood Road972 m away | 122 m² | 141 m² | +19 m² +16% | 2024 |
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| 288, Southend Arterial Road992 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 9, Camborne Terrace810 m away | 124 m² | 143 m² | +19 m² +15% | 2022 |
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| 2, Camborne Terrace810 m away | 124 m² | 143 m² | +19 m² +15% | 2022 |
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| 15, Oak Glen877 m away | 115 m² | 134 m² | +19 m² +17% | 2018 |
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| 91, Arlington Gardens430 m away | 51 m² | 70 m² | +19 m² +37% | 2016 |
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| 51, Masefield Crescent798 m away | 124 m² | 143 m² | +19 m² +15% | 2011 |
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| 8, Chadwick Drive242 m away | 18 m² | 37 m² | +19 m² +106% | 2009 |
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| 16, Mimosa Close978 m away | 95 m² | 113 m² | +18 m² +19% | 2025 |
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| 62, Masefield Crescent798 m away | 85 m² | 103 m² | +18 m² +21% | 2023 |
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| 2b, Athelstan Road892 m away | 106 m² | 124 m² | +18 m² +17% | 2023 |
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| 20, Melksham Gardens806 m away | 63 m² | 81 m² | +18 m² +29% | 2022 |
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| 26, Leyburn Crescent865 m away | 86 m² | 104 m² | +18 m² +21% | 2020 |
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| 10, Launceston Close637 m away | 104 m² | 122 m² | +18 m² +17% | 2019 |
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| 128, Gubbins Lane756 m away | 59 m² | 77 m² | +18 m² +31% | 2016 |
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| 566, Upper Brentwood Road844 m away | 83 m² | 101 m² | +18 m² +22% | 2014 |
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| 68, Gubbins Lane701 m away | 73 m² | 90 m² | +17 m² +23% | 2025 |
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| 64, Amery Gardens814 m away | 71 m² | 88 m² | +17 m² +24% | 2025 |
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| 8, Buttercup Close240 m away | 83 m² | 100 m² | +17 m² +20% | 2024 |
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| 13, Long Grove306 m away | 65 m² | 82 m² | +17 m² +26% | 2022 |
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| 124, Southend Arterial Road486 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
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| 25, Farnes Drive763 m away | 93 m² | 110 m² | +17 m² +18% | 2021 |
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| 36, Ethelburga Road890 m away | 76 m² | 93 m² | +17 m² +22% | 2021 |
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| 137, Squirrels Heath Road839 m away | 83 m² | 100 m² | +17 m² +20% | 2020 |
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| 5, Mimosa Close978 m away | 100 m² | 117 m² | +17 m² +17% | 2013 |
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| 82, Harwood Avenue827 m away | 71 m² | 87 m² | +16 m² +23% | 2024 |
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| Flat 6, Jenner House, 41, Nightingale Crescent196 m away | 50 m² | 66 m² | +16 m² +32% | 2022 |
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| 32, Harris Close643 m away | 79 m² | 95 m² | +16 m² +20% | 2020 |
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| Flat 1, Barnard House, 2, Nightingale Crescent123 m away | 40 m² | 56 m² | +16 m² +40% | 2014 |
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| 552, Upper Brentwood Road924 m away | 85 m² | 101 m² | +16 m² +19% | 2013 |
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| 72, Cambridge Avenue904 m away | 88 m² | 103 m² | +15 m² +17% | 2023 |
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| 6, Masefield Crescent986 m away | 88 m² | 103 m² | +15 m² +17% | 2012 |
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