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 0WU
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 Road926 m away | 102 m² | 233 m² | +131 m² +128% | 2026 |
| 2, Farnes Drive738 m away | 138 m² | 257 m² | +119 m² +86% | 2024 |
| 18, Hamilton Drive404 m away | 92 m² | 210 m² | +118 m² +128% | 2020 |
| 36, Redden Court Road735 m away | 118 m² | 221 m² | +103 m² +87% | 2021 |
| 21, Sackville Crescent585 m away | 80 m² | 176 m² | +96 m² +120% | 2024 |
| 227, Main Road926 m away | 107 m² | 199 m² | +92 m² +86% | 2023 |
| 15, Edward Close989 m away | 143 m² | 234 m² | +91 m² +64% | 2026 |
| 6, Western Avenue937 m away | 105 m² | 196 m² | +91 m² +87% | 2023 |
| 101, Neave Crescent619 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 Crescent651 m away | 105 m² | 192 m² | +87 m² +83% | 2023 |
|---|
| 51, Recreation Avenue890 m away | 87 m² | 172 m² | +85 m² +98% | 2021 |
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| 14a, Oak Glen809 m away | 76 m² | 156 m² | +80 m² +105% | 2023 |
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| 179, Southend Arterial Road676 m away | 107 m² | 184 m² | +77 m² +72% | 2020 |
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| 11, Elderberry Close328 m away | 144 m² | 219 m² | +75 m² +52% | 2026 |
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| 52, Farnes Drive738 m away | 84 m² | 158 m² | +74 m² +88% | 2021 |
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| 11, Alverstoke Road818 m away | 70 m² | 142 m² | +72 m² +103% | 2022 |
|---|
| 87, Arlington Gardens495 m away | 59 m² | 129 m² | +70 m² +119% | 2023 |
|---|
| 6, Cotswold Road690 m away | 68 m² | 138 m² | +70 m² +103% | 2022 |
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| 11, Camellia Close285 m away | 60 m² | 129 m² | +69 m² +115% | 2023 |
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| 14, Clunas Gardens627 m away | 74 m² | 143 m² | +69 m² +93% | 2023 |
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| 41, Newhall Drive572 m away | 101 m² | 170 m² | +69 m² +68% | 2018 |
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| 18, Camborne Avenue897 m away | 70 m² | 138 m² | +68 m² +97% | 2015 |
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| 116, Cecil Avenue890 m away | 81 m² | 148 m² | +67 m² +83% | 2016 |
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| 42, Gubbins Lane711 m away | 82 m² | 146 m² | +64 m² +78% | 2025 |
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| 80, Stafford Avenue831 m away | 44 m² | 108 m² | +64 m² +145% | 2024 |
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| 34, Bartholomew Drive189 m away | 89 m² | 153 m² | +64 m² +72% | 2021 |
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| 38, Newhall Drive572 m away | 88 m² | 151 m² | +63 m² +72% | 2026 |
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| 7, Chelsworth Drive704 m away | 89 m² | 150 m² | +61 m² +69% | 2025 |
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| 109, Gubbins Lane808 m away | 96 m² | 157 m² | +61 m² +64% | 2022 |
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| 24, Primrose Glen980 m away | 67 m² | 128 m² | +61 m² +91% | 2014 |
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| 184, Ardleigh Green Road608 m away | 86 m² | 146 m² | +60 m² +70% | 2026 |
|---|
| 310, Main Road953 m away | 126 m² | 185 m² | +59 m² +47% | 2018 |
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| 36, Gillian Crescent651 m away | 88 m² | 146 m² | +58 m² +66% | 2025 |
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| 85, Cecil Avenue890 m away | 90 m² | 147 m² | +57 m² +63% | 2025 |
|---|
| 52, Tindall Close629 m away | 97 m² | 154 m² | +57 m² +59% | 2024 |
|---|
| 3, Mason Drive0 m away | 65 m² | 122 m² | +57 m² +88% | 2022 |
|---|
| 15, Chelsworth Drive704 m away | 86 m² | 143 m² | +57 m² +66% | 2022 |
|---|
| 550, Upper Brentwood Road878 m away | 89 m² | 146 m² | +57 m² +64% | 2017 |
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| 70, Primrose Glen980 m away | 66 m² | 122 m² | +56 m² +85% | 2026 |
|---|
| 142, Amery Gardens550 m away | 124 m² | 180 m² | +56 m² +45% | 2017 |
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| 75, Redden Court Road741 m away | 89 m² | 145 m² | +56 m² +63% | 2016 |
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| 114, Squirrels Heath Lane996 m away | 143 m² | 198 m² | +55 m² +38% | 2023 |
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| 178, Ardleigh Green Road608 m away | 107 m² | 161 m² | +54 m² +50% | 2019 |
|---|
| 4, Fleming Gardens124 m away | 66 m² | 119 m² | +53 m² +80% | 2024 |
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| 51, Stafford Avenue696 m away | 88 m² | 141 m² | +53 m² +60% | 2020 |
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| 38, Juniper Way131 m away | 38 m² | 91 m² | +53 m² +139% | 2019 |
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| 12, Ashlyn Grove879 m away | 76 m² | 127 m² | +51 m² +67% | 2020 |
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| 29, Long Grove241 m away | 82 m² | 132 m² | +50 m² +61% | 2024 |
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| 170, Ardleigh Green Road608 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
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| 268, Southend Arterial Road937 m away | 68 m² | 118 m² | +50 m² +74% | 2024 |
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| 322, Main Road953 m away | 89 m² | 139 m² | +50 m² +56% | 2021 |
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| 14, Ferguson Avenue641 m away | 61 m² | 109 m² | +48 m² +79% | 2020 |
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| 12, Western Avenue937 m away | 120 m² | 167 m² | +47 m² +39% | 2020 |
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| 18, Columbine Way283 m away | 60 m² | 106 m² | +46 m² +77% | 2025 |
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| 31, Amery Gardens713 m away | 77 m² | 123 m² | +46 m² +60% | 2023 |
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| 284, Southend Arterial Road937 m away | 88 m² | 134 m² | +46 m² +52% | 2023 |
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| 44, Rosslyn Avenue471 m away | 98 m² | 141 m² | +43 m² +44% | 2024 |
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| 3, Oak Glen809 m away | 73 m² | 115 m² | +42 m² +58% | 2012 |
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| 7, Widecombe Close539 m away | 39 m² | 79 m² | +40 m² +103% | 2025 |
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| 2, Clunas Gardens627 m away | 72 m² | 112 m² | +40 m² +56% | 2025 |
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| 73, Camborne Avenue897 m away | 83 m² | 123 m² | +40 m² +48% | 2025 |
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| 21, Athelstan Road820 m away | 91 m² | 131 m² | +40 m² +44% | 2024 |
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| 49, Hamilton Drive367 m away | 124 m² | 164 m² | +40 m² +32% | 2016 |
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| 70, Belgrave Avenue566 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
|---|
| 11, Athelstan Road893 m away | 121 m² | 160 m² | +39 m² +32% | 2021 |
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| 37, Cecil Avenue890 m away | 91 m² | 130 m² | +39 m² +43% | 2019 |
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| 130, Ardleigh Green Road727 m away | 80 m² | 118 m² | +38 m² +48% | 2025 |
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| 93, Belgrave Avenue556 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
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| 62, Cecil Avenue929 m away | 112 m² | 149 m² | +37 m² +33% | 2020 |
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| 99, Amery Gardens564 m away | 83 m² | 120 m² | +37 m² +45% | 2018 |
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| 28, Ferguson Court508 m away | 45 m² | 80 m² | +35 m² +78% | 2022 |
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| 196, Southend Arterial Road707 m away | 93 m² | 128 m² | +35 m² +38% | 2015 |
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| 33, Stafford Avenue696 m away | 59 m² | 93 m² | +34 m² +58% | 2024 |
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| 12, Gillian Crescent651 m away | 99 m² | 133 m² | +34 m² +34% | 2022 |
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| 26, Oak Glen809 m away | 57 m² | 91 m² | +34 m² +60% | 2011 |
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| 2a, Coombe Road932 m away | 88 m² | 122 m² | +34 m² +39% | 2009 |
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| 25, Oak Glen809 m away | 60 m² | 93 m² | +33 m² +55% | 2025 |
|---|
| 3, Abbotts Court, Queens Park Road972 m away | 31 m² | 64 m² | +33 m² +106% | 2025 |
|---|
| 20, Redden Court Road735 m away | 124 m² | 157 m² | +33 m² +27% | 2023 |
|---|
| 2, Saxon Close772 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
|---|
| 18, Ferguson Avenue547 m away | 81 m² | 114 m² | +33 m² +41% | 2019 |
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| 26, Montrose Avenue689 m away | 84 m² | 116 m² | +32 m² +38% | 2024 |
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| 28, Straight Road736 m away | 70 m² | 102 m² | +32 m² +46% | 2014 |
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| 4, Chelsworth Close746 m away | 87 m² | 118 m² | +31 m² +36% | 2024 |
|---|
| 53, Arundel Road888 m away | 130 m² | 161 m² | +31 m² +24% | 2015 |
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| 33, Arlington Gardens420 m away | 95 m² | 125 m² | +30 m² +32% | 2026 |
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| 155, Squirrels Heath Lane951 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 82, Stafford Avenue831 m away | 57 m² | 87 m² | +30 m² +53% | 2019 |
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| 86, Cambridge Avenue844 m away | 95 m² | 125 m² | +30 m² +32% | 2019 |
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| 31, Arlington Gardens420 m away | 119 m² | 149 m² | +30 m² +25% | 2015 |
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| 15, Jarvis Way60 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 114, Cecil Avenue890 m away | 96 m² | 125 m² | +29 m² +30% | 2025 |
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| 17, Wordsworth Close889 m away | 88 m² | 117 m² | +29 m² +33% | 2023 |
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| 25, Whitmore Avenue70 m away | 62 m² | 91 m² | +29 m² +47% | 2018 |
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| 37, St Clements Avenue509 m away | 154 m² | 183 m² | +29 m² +19% | 2015 |
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| 2, Hamilton Drive404 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 6, Hamilton Drive404 m away | 83 m² | 111 m² | +28 m² +34% | 2023 |
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| 527, Upper Brentwood Road925 m away | 98 m² | 126 m² | +28 m² +29% | 2023 |
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| 21, Briars Walk485 m away | 78 m² | 106 m² | +28 m² +36% | 2021 |
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| 51, Amery Gardens713 m away | 74 m² | 102 m² | +28 m² +38% | 2020 |
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| 12, Beaumont Close918 m away | 94 m² | 122 m² | +28 m² +30% | 2020 |
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| 216, Southend Arterial Road707 m away | 116 m² | 143 m² | +27 m² +23% | 2025 |
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| 14, Keighley Road934 m away | 83 m² | 110 m² | +27 m² +33% | 2025 |
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| 55, Cambridge Avenue877 m away | 83 m² | 110 m² | +27 m² +33% | 2020 |
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| 590, Upper Brentwood Road806 m away | 134 m² | 160 m² | +26 m² +19% | 2024 |
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| 158, Squirrels Heath Road898 m away | 128 m² | 154 m² | +26 m² +20% | 2024 |
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| 4, Camborne Way922 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 22, Primrose Glen980 m away | 65 m² | 91 m² | +26 m² +40% | 2024 |
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| 37, Pearcy Close697 m away | 89 m² | 115 m² | +26 m² +29% | 2023 |
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| 46, Straight Road736 m away | 82 m² | 108 m² | +26 m² +32% | 2023 |
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| 15, Stafford Avenue696 m away | 75 m² | 101 m² | +26 m² +35% | 2022 |
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| 30, Coombe Road973 m away | 87 m² | 113 m² | +26 m² +30% | 2014 |
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| 147, Squirrels Heath Lane996 m away | 101 m² | 127 m² | +26 m² +26% | 2012 |
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| 96, Cecil Avenue929 m away | 87 m² | 113 m² | +26 m² +30% | 2010 |
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| 20, Western Avenue937 m away | 107 m² | 132 m² | +25 m² +23% | 2026 |
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| 15, Avenue Road967 m away | 31 m² | 56 m² | +25 m² +81% | 2026 |
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| 55, Squirrels Heath Road529 m away | 150 m² | 175 m² | +25 m² +17% | 2023 |
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| 141, Squirrels Heath Lane996 m away | 104 m² | 129 m² | +25 m² +24% | 2022 |
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| 65, Sackville Crescent379 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 4, Columbine Way283 m away | 73 m² | 98 m² | +25 m² +34% | 2014 |
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| 73, Redden Court Road741 m away | 89 m² | 113 m² | +24 m² +27% | 2025 |
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| 85, Ferguson Avenue511 m away | 71 m² | 95 m² | +24 m² +34% | 2015 |
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| 27, Byron Way957 m away | 62 m² | 86 m² | +24 m² +39% | 2012 |
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| 1, Gascoyne Close694 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
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| 25, Arundel Road888 m away | 51 m² | 74 m² | +23 m² +45% | 2026 |
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| 172, Squirrels Heath Road898 m away | 115 m² | 138 m² | +23 m² +20% | 2026 |
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| 1, Melksham Close993 m away | 92 m² | 115 m² | +23 m² +25% | 2023 |
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| 210, Southend Arterial Road707 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 189, Southend Arterial Road676 m away | 98 m² | 121 m² | +23 m² +23% | 2017 |
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| 12, Ferguson Court508 m away | 53 m² | 75 m² | +22 m² +42% | 2026 |
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| 104, Amery Gardens550 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
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| 21, The Drive585 m away | 89 m² | 111 m² | +22 m² +25% | 2022 |
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| 57, Beltinge Road762 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
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| 46, Hamilton Drive404 m away | 89 m² | 110 m² | +21 m² +24% | 2026 |
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| 67, Hamilton Drive367 m away | 137 m² | 158 m² | +21 m² +15% | 2025 |
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| 174, Ardleigh Green Road608 m away | 36 m² | 57 m² | +21 m² +58% | 2025 |
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| 92, Rosslyn Avenue471 m away | 110 m² | 131 m² | +21 m² +19% | 2024 |
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| 39, Oak Road758 m away | 20 m² | 41 m² | +21 m² +105% | 2024 |
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| 45, Gubbins Lane711 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
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| 27, Paignton Close579 m away | 107 m² | 128 m² | +21 m² +20% | 2021 |
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| 6, Melksham Green851 m away | 84 m² | 105 m² | +21 m² +25% | 2021 |
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| 16, Warwick Gardens930 m away | 114 m² | 135 m² | +21 m² +18% | 2021 |
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| 144, Ardleigh Green Road727 m away | 84 m² | 105 m² | +21 m² +25% | 2014 |
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| 55, Nightingale Crescent61 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
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| 55, Farnes Drive595 m away | 90 m² | 110 m² | +20 m² +22% | 2022 |
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| 130, Amery Gardens550 m away | 70 m² | 90 m² | +20 m² +29% | 2021 |
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| 4, Arundel Road860 m away | 74 m² | 94 m² | +20 m² +27% | 2021 |
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| 1, Jarvis Way60 m away | 64 m² | 84 m² | +20 m² +31% | 2019 |
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| 92, Harwood Avenue762 m away | 71 m² | 91 m² | +20 m² +28% | 2013 |
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| 1, Pearcy Close697 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 35, Harwood Avenue822 m away | 74 m² | 93 m² | +19 m² +26% | 2025 |
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| 56, Belgrave Avenue666 m away | 109 m² | 128 m² | +19 m² +17% | 2024 |
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| 13, Beltinge Road762 m away | 103 m² | 122 m² | +19 m² +18% | 2024 |
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| 511, Upper Brentwood Road925 m away | 122 m² | 141 m² | +19 m² +16% | 2024 |
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| 288, Southend Arterial Road937 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 9, Camborne Terrace877 m away | 124 m² | 143 m² | +19 m² +15% | 2022 |
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| 2, Camborne Terrace877 m away | 124 m² | 143 m² | +19 m² +15% | 2022 |
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| 15, Oak Glen809 m away | 115 m² | 134 m² | +19 m² +17% | 2018 |
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| 91, Arlington Gardens495 m away | 51 m² | 70 m² | +19 m² +37% | 2016 |
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| 490, Upper Brentwood Road999 m away | 125 m² | 144 m² | +19 m² +15% | 2016 |
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| 51, Masefield Crescent809 m away | 124 m² | 143 m² | +19 m² +15% | 2011 |
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| 8, Chadwick Drive199 m away | 18 m² | 37 m² | +19 m² +106% | 2009 |
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| 62, Masefield Crescent809 m away | 85 m² | 103 m² | +18 m² +21% | 2023 |
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| 2b, Athelstan Road893 m away | 106 m² | 124 m² | +18 m² +17% | 2023 |
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| 20, Melksham Gardens872 m away | 63 m² | 81 m² | +18 m² +29% | 2022 |
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| 26, Leyburn Crescent934 m away | 86 m² | 104 m² | +18 m² +21% | 2020 |
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| 10, Launceston Close645 m away | 104 m² | 122 m² | +18 m² +17% | 2019 |
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| 128, Gubbins Lane808 m away | 59 m² | 77 m² | +18 m² +31% | 2016 |
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| 566, Upper Brentwood Road806 m away | 83 m² | 101 m² | +18 m² +22% | 2014 |
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| 68, Gubbins Lane737 m away | 73 m² | 90 m² | +17 m² +23% | 2025 |
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| 64, Amery Gardens753 m away | 71 m² | 88 m² | +17 m² +24% | 2025 |
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| 8, Buttercup Close280 m away | 83 m² | 100 m² | +17 m² +20% | 2024 |
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| 13, Long Grove241 m away | 65 m² | 82 m² | +17 m² +26% | 2022 |
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| 124, Southend Arterial Road418 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
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| 25, Farnes Drive738 m away | 93 m² | 110 m² | +17 m² +18% | 2021 |
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| 36, Ethelburga Road905 m away | 76 m² | 93 m² | +17 m² +22% | 2021 |
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| 137, Squirrels Heath Road833 m away | 83 m² | 100 m² | +17 m² +20% | 2020 |
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| 34 North Block, The Railstore, Kidman Close993 m away | 40 m² | 57 m² | +17 m² +43% | 2012 |
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| 82, Harwood Avenue762 m away | 71 m² | 87 m² | +16 m² +23% | 2024 |
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| Flat 6, Jenner House, 41, Nightingale Crescent153 m away | 50 m² | 66 m² | +16 m² +32% | 2022 |
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| 32, Harris Close711 m away | 79 m² | 95 m² | +16 m² +20% | 2020 |
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| Flat 1, Barnard House, 2, Nightingale Crescent80 m away | 40 m² | 56 m² | +16 m² +40% | 2014 |
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| 552, Upper Brentwood Road878 m away | 85 m² | 101 m² | +16 m² +19% | 2013 |
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| 72, Cambridge Avenue844 m away | 88 m² | 103 m² | +15 m² +17% | 2023 |
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| 22 North Block, The Railstore, Kidman Close993 m away | 65 m² | 80 m² | +15 m² +23% | 2023 |
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| 6, Masefield Crescent986 m away | 88 m² | 103 m² | +15 m² +17% | 2012 |
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