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 RM12 4HX
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 |
|---|---|---|---|---|
| 14, Dalewood Close946 m away | 178 m² | 384 m² | +206 m² +116% | 2020 |
| 16, Berther Road929 m away | 146 m² | 292 m² | +146 m² +100% | 2026 |
| 23, The Avenue111 m away | 87 m² | 191 m² | +104 m² +120% | 2022 |
| 60, Hacton Lane749 m away | 88 m² | 187 m² | +99 m² +113% | 2025 |
| 28, Boscombe Avenue895 m away | 93 m² | 186 m² | +93 m² +100% | 2026 |
| 18, Emerson Drive672 m away | 122 m² | 214 m² | +92 m² +75% | 2026 |
| 4, Windsor Road941 m away | 75 m² | 167 m² | +92 m² +123% | 2022 |
| 62, Devonshire Road318 m away | 74 m² | 163 m² | +89 m² +120% | 2025 |
| 42, Elmhurst Drive886 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.
| 83 m² |
| 168 m² |
| +85 m² +102% |
| 2021 |
| 35, Belmont Road785 m away | 60 m² | 142 m² | +82 m² +137% | 2015 |
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| 106, Stanley Road452 m away | 69 m² | 150 m² | +81 m² +117% | 2026 |
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| 7, Berther Road953 m away | 106 m² | 186 m² | +80 m² +75% | 2020 |
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| 52, Ravenscourt Drive760 m away | 79 m² | 158 m² | +79 m² +100% | 2025 |
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| 96, Ravenscourt Drive760 m away | 72 m² | 151 m² | +79 m² +110% | 2017 |
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| 7, Victor Gardens112 m away | 55 m² | 133 m² | +78 m² +142% | 2025 |
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| 24, Grey Towers Avenue489 m away | 100 m² | 177 m² | +77 m² +77% | 2020 |
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| 1, Elmhurst Drive931 m away | 94 m² | 171 m² | +77 m² +82% | 2020 |
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| 136, Abbs Cross Lane740 m away | 147 m² | 220 m² | +73 m² +50% | 2022 |
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| 25, Lambourne Gardens466 m away | 60 m² | 132 m² | +72 m² +120% | 2025 |
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| 274, Osborne Road888 m away | 108 m² | 180 m² | +72 m² +67% | 2024 |
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| 34, Boscombe Avenue748 m away | 82 m² | 153 m² | +71 m² +87% | 2025 |
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| 15, Wingletye Lane868 m away | 110 m² | 181 m² | +71 m² +65% | 2020 |
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| 24, Stanley Road216 m away | 98 m² | 168 m² | +70 m² +71% | 2018 |
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| 77, Bruce Avenue374 m away | 55 m² | 124 m² | +69 m² +125% | 2018 |
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| 136, Burnway756 m away | 50 m² | 118 m² | +68 m² +136% | 2023 |
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| 43, Glanville Drive843 m away | 79 m² | 146 m² | +67 m² +85% | 2024 |
|---|
| 43, Suttons Lane991 m away | 155 m² | 220 m² | +65 m² +42% | 2026 |
|---|
| 33, Grey Towers Avenue489 m away | 89 m² | 153 m² | +64 m² +72% | 2018 |
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| 86, Ravenscourt Grove661 m away | 84 m² | 147 m² | +63 m² +75% | 2026 |
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| 12, Harrow Drive984 m away | 108 m² | 171 m² | +63 m² +58% | 2015 |
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| 5, Bellevue Road806 m away | 103 m² | 164 m² | +61 m² +59% | 2022 |
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| 179, Alma Avenue837 m away | 53 m² | 113 m² | +60 m² +113% | 2026 |
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| 8, Herbert Road939 m away | 227 m² | 285 m² | +58 m² +26% | 2026 |
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| 8, Windsor Road941 m away | 73 m² | 130 m² | +57 m² +78% | 2023 |
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| 62, Beverley Gardens948 m away | 137 m² | 193 m² | +56 m² +41% | 2025 |
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| 56, Beverley Gardens948 m away | 81 m² | 137 m² | +56 m² +69% | 2025 |
|---|
| 1, Cromer Road761 m away | 89 m² | 145 m² | +56 m² +63% | 2024 |
|---|
| 48, Suttons Avenue555 m away | 58 m² | 113 m² | +55 m² +95% | 2025 |
|---|
| 123, Alma Avenue866 m away | 50 m² | 105 m² | +55 m² +110% | 2024 |
|---|
| 6, Mavis Grove274 m away | 129 m² | 183 m² | +54 m² +42% | 2024 |
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| 360, Chepstow Avenue969 m away | 57 m² | 111 m² | +54 m² +95% | 2017 |
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| 113, Abbs Cross Lane629 m away | 152 m² | 206 m² | +54 m² +36% | 2015 |
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| 21, Chiltern Gardens907 m away | 67 m² | 120 m² | +53 m² +79% | 2022 |
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| 24, Lyndhurst Drive695 m away | 88 m² | 141 m² | +53 m² +60% | 2020 |
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| 3, Sunrise Avenue963 m away | 86 m² | 139 m² | +53 m² +62% | 2016 |
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| 13, Devonshire Road339 m away | 204 m² | 256 m² | +52 m² +25% | 2023 |
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| 5, Ravenscourt Drive724 m away | 67 m² | 119 m² | +52 m² +78% | 2022 |
|---|
| 132, Alma Avenue817 m away | 70 m² | 122 m² | +52 m² +74% | 2014 |
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| 46, Standen Avenue887 m away | 94 m² | 145 m² | +51 m² +54% | 2025 |
|---|
| 1, Boscombe Avenue895 m away | 78 m² | 129 m² | +51 m² +65% | 2023 |
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| 130, Burnway756 m away | 64 m² | 115 m² | +51 m² +80% | 2018 |
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| 163, Alma Avenue812 m away | 53 m² | 103 m² | +50 m² +94% | 2026 |
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| 52, Mill Park Avenue460 m away | 147 m² | 197 m² | +50 m² +34% | 2024 |
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| 85, Stanley Road494 m away | 71 m² | 121 m² | +50 m² +70% | 2024 |
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| 28, Ravenscourt Drive760 m away | 79 m² | 128 m² | +49 m² +62% | 2023 |
|---|
| 48, Beverley Gardens948 m away | 65 m² | 114 m² | +49 m² +75% | 2023 |
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| 180, Alma Avenue837 m away | 81 m² | 129 m² | +48 m² +59% | 2025 |
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| 8, Bowden Drive464 m away | 108 m² | 156 m² | +48 m² +44% | 2024 |
|---|
| 68, Hacton Lane749 m away | 87 m² | 135 m² | +48 m² +55% | 2012 |
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| 219, Alma Avenue940 m away | 88 m² | 135 m² | +47 m² +53% | 2026 |
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| 66, North Street603 m away | 195 m² | 242 m² | +47 m² +24% | 2022 |
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| 7, Dalewood Close946 m away | 166 m² | 213 m² | +47 m² +28% | 2019 |
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| 101, Suttons Avenue768 m away | 82 m² | 128 m² | +46 m² +56% | 2020 |
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| 9, Sandown Avenue105 m away | 75 m² | 120 m² | +45 m² +60% | 2026 |
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| 252, Osborne Road888 m away | 81 m² | 126 m² | +45 m² +56% | 2024 |
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| 50, Woodhall Crescent900 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
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| 6, Glamis Drive598 m away | 40 m² | 85 m² | +45 m² +113% | 2019 |
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| 16, Allenby Drive633 m away | 70 m² | 114 m² | +44 m² +63% | 2024 |
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| 391, Chepstow Avenue969 m away | 121 m² | 165 m² | +44 m² +36% | 2020 |
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| 31, Cumberland Avenue620 m away | 98 m² | 142 m² | +44 m² +45% | 2017 |
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| 6, Lodge Court350 m away | 67 m² | 111 m² | +44 m² +66% | 2012 |
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| 4, Emerson Drive672 m away | 120 m² | 162 m² | +42 m² +35% | 2020 |
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| 120, Alma Avenue817 m away | 48 m² | 89 m² | +41 m² +85% | 2025 |
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| 95, Upminster Road946 m away | 121 m² | 161 m² | +40 m² +33% | 2026 |
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| 33, Mill Park Avenue460 m away | 114 m² | 154 m² | +40 m² +35% | 2025 |
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| 92, Ravenscourt Drive760 m away | 73 m² | 113 m² | +40 m² +55% | 2024 |
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| 79, Bruce Avenue374 m away | 75 m² | 115 m² | +40 m² +53% | 2023 |
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| 11, Connaught Road732 m away | 77 m² | 117 m² | +40 m² +52% | 2018 |
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| 166, Lyndhurst Drive937 m away | 95 m² | 134 m² | +39 m² +41% | 2026 |
|---|
| Flat 7, Noble Court, 126, North Street777 m away | 45 m² | 83 m² | +38 m² +84% | 2026 |
|---|
| 29, Keswick Avenue468 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
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| 41, The Avenue178 m away | 82 m² | 120 m² | +38 m² +46% | 2024 |
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| 25, Abbs Cross Gardens227 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
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| 14, Patricia Drive715 m away | 69 m² | 105 m² | +36 m² +52% | 2025 |
|---|
| 32, Boscombe Avenue895 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
|---|
| 118, Bruce Avenue70 m away | 72 m² | 108 m² | +36 m² +50% | 2022 |
|---|
| 34, Harrow Drive984 m away | 232 m² | 268 m² | +36 m² +16% | 2020 |
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| 26, Dawes Avenue941 m away | 100 m² | 136 m² | +36 m² +36% | 2019 |
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| 65, Bruce Avenue374 m away | 71 m² | 106 m² | +35 m² +49% | 2025 |
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| 3, Highfield Road876 m away | 85 m² | 120 m² | +35 m² +41% | 2024 |
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| 110, Hornchurch Road899 m away | 81 m² | 116 m² | +35 m² +43% | 2020 |
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| 58, Westland Avenue677 m away | 88 m² | 123 m² | +35 m² +40% | 2017 |
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| 5, Patricia Drive715 m away | 66 m² | 101 m² | +35 m² +53% | 2017 |
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| 2, Bowden Drive464 m away | 141 m² | 175 m² | +34 m² +24% | 2026 |
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| 78, Glebe Way690 m away | 115 m² | 149 m² | +34 m² +30% | 2026 |
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| 100, Kenilworth Gardens901 m away | 80 m² | 114 m² | +34 m² +43% | 2026 |
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| 64, Station Lane147 m away | 64 m² | 98 m² | +34 m² +53% | 2025 |
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| 38, Westland Avenue677 m away | 138 m² | 172 m² | +34 m² +25% | 2023 |
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| 87, Glebe Way690 m away | 146 m² | 179 m² | +33 m² +23% | 2025 |
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| 51, Cromer Road761 m away | 103 m² | 136 m² | +33 m² +32% | 2025 |
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| 140, Burnway756 m away | 47 m² | 80 m² | +33 m² +70% | 2023 |
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| 25, Lyndhurst Drive724 m away | 101 m² | 133 m² | +32 m² +32% | 2025 |
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| 65, Suttons Avenue642 m away | 76 m² | 108 m² | +32 m² +42% | 2024 |
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| 104, Suttons Avenue679 m away | 66 m² | 98 m² | +32 m² +48% | 2023 |
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| 162, Alma Avenue812 m away | 65 m² | 97 m² | +32 m² +49% | 2018 |
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| 49, Ravenscourt Drive724 m away | 133 m² | 164 m² | +31 m² +23% | 2024 |
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| 129, Victor Close398 m away | 76 m² | 106 m² | +30 m² +39% | 2026 |
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| 66, Grey Towers Avenue628 m away | 50 m² | 80 m² | +30 m² +60% | 2019 |
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| 37, Glebe Way640 m away | 93 m² | 123 m² | +30 m² +32% | 2017 |
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| 10, Pegelm Gardens971 m away | 98 m² | 128 m² | +30 m² +31% | 2017 |
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| 70, Stanley Road452 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 23, Warriner Avenue429 m away | 108 m² | 137 m² | +29 m² +27% | 2024 |
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| 145, Bruce Avenue70 m away | 124 m² | 153 m² | +29 m² +23% | 2020 |
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| 22, Boscombe Avenue895 m away | 92 m² | 121 m² | +29 m² +32% | 2020 |
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| Swan House, 54, Station Lane147 m away | 34 m² | 63 m² | +29 m² +85% | 2017 |
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| 170, Abbs Cross Lane740 m away | 85 m² | 114 m² | +29 m² +34% | 2016 |
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| 9, Connaught Road732 m away | 78 m² | 106 m² | +28 m² +36% | 2023 |
|---|
| 12a, Westland Avenue443 m away | 60 m² | 88 m² | +28 m² +47% | 2018 |
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| 20, Emerson Drive672 m away | 152 m² | 179 m² | +27 m² +18% | 2026 |
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| 18, Kershaw Close756 m away | 100 m² | 127 m² | +27 m² +27% | 2024 |
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| 234, Osborne Road888 m away | 99 m² | 126 m² | +27 m² +27% | 2024 |
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| 23, Grey Towers Avenue472 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 21a, Suttons Lane841 m away | 49 m² | 76 m² | +27 m² +55% | 2019 |
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| 10, Standen Avenue875 m away | 80 m² | 106 m² | +26 m² +33% | 2024 |
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| 55, Bruce Avenue374 m away | 62 m² | 88 m² | +26 m² +42% | 2023 |
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| 99a, Glebe Way690 m away | 59 m² | 85 m² | +26 m² +44% | 2022 |
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| 346, Goodwood Avenue925 m away | 88 m² | 114 m² | +26 m² +30% | 2021 |
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| 48, Boscombe Avenue748 m away | 96 m² | 122 m² | +26 m² +27% | 2019 |
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| 1, Glebe Way620 m away | 104 m² | 129 m² | +25 m² +24% | 2026 |
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| 14, Chiltern Gardens907 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
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| 11, Mavis Grove274 m away | 137 m² | 162 m² | +25 m² +18% | 2020 |
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| 59, Abbs Cross Lane512 m away | 74 m² | 98 m² | +24 m² +32% | 2026 |
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| 30, Allenby Drive633 m away | 107 m² | 131 m² | +24 m² +22% | 2023 |
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| 89, Stanley Road494 m away | 65 m² | 89 m² | +24 m² +37% | 2012 |
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| 18, Wallis Close952 m away | 97 m² | 120 m² | +23 m² +24% | 2022 |
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| 40, Highfield Crescent977 m away | 95 m² | 118 m² | +23 m² +24% | 2018 |
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| 78, North Street603 m away | 107 m² | 129 m² | +22 m² +21% | 2026 |
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| 132, Burnway756 m away | 47 m² | 69 m² | +22 m² +47% | 2024 |
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| 94, The Avenue412 m away | 61 m² | 83 m² | +22 m² +36% | 2023 |
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| 60, Grosvenor Drive790 m away | 70 m² | 92 m² | +22 m² +31% | 2023 |
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| 17, Victor Close386 m away | 43 m² | 65 m² | +22 m² +51% | 2021 |
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| 9, Glamis Drive598 m away | 49 m² | 71 m² | +22 m² +45% | 2021 |
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| 58, Billet Lane657 m away | 39 m² | 61 m² | +22 m² +56% | 2021 |
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| 30, Wayside Avenue481 m away | 79 m² | 101 m² | +22 m² +28% | 2020 |
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| 1, Wedlake Close461 m away | 71 m² | 93 m² | +22 m² +31% | 2018 |
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| 8, Kenilworth Gardens710 m away | 114 m² | 135 m² | +21 m² +18% | 2026 |
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| 142, Stanley Road452 m away | 66 m² | 87 m² | +21 m² +32% | 2025 |
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| 7, Regency Gardens874 m away | 134 m² | 155 m² | +21 m² +16% | 2021 |
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| 67, Abbs Cross Lane512 m away | 71 m² | 92 m² | +21 m² +30% | 2018 |
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| 16, Keith Way595 m away | 102 m² | 122 m² | +20 m² +20% | 2026 |
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| Flat 68, Goldsmere Court, Fentiman Way333 m away | 44 m² | 64 m² | +20 m² +45% | 2023 |
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| 93, Lyndhurst Drive820 m away | 82 m² | 102 m² | +20 m² +24% | 2021 |
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| 21, Wallis Close952 m away | 86 m² | 106 m² | +20 m² +23% | 2021 |
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| 29, Brendans Close385 m away | 58 m² | 78 m² | +20 m² +34% | 2018 |
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| 16, Mansfield Gardens540 m away | 86 m² | 106 m² | +20 m² +23% | 2015 |
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| 57, Bruce Avenue374 m away | 94 m² | 113 m² | +19 m² +20% | 2026 |
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| 17, Suttons Avenue555 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
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| 55, Glebe Way640 m away | 91 m² | 110 m² | +19 m² +21% | 2025 |
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| 34, Westland Avenue531 m away | 90 m² | 109 m² | +19 m² +21% | 2023 |
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| 174, Abbs Cross Lane740 m away | 56 m² | 75 m² | +19 m² +34% | 2019 |
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| 39, Warriner Avenue429 m away | 88 m² | 106 m² | +18 m² +20% | 2020 |
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| 26, Link Way541 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
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| 15, Kershaw Close756 m away | 93 m² | 111 m² | +18 m² +19% | 2020 |
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| 36, Latimer Drive914 m away | 41 m² | 59 m² | +18 m² +44% | 2018 |
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| 112, Alma Avenue817 m away | 65 m² | 83 m² | +18 m² +28% | 2013 |
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| 26, Stanley Road216 m away | 99 m² | 116 m² | +17 m² +17% | 2025 |
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| 9, Wallis Close952 m away | 92 m² | 109 m² | +17 m² +18% | 2024 |
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| 115, Suttons Avenue768 m away | 81 m² | 98 m² | +17 m² +21% | 2017 |
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| 5, Sandown Avenue105 m away | 57 m² | 74 m² | +17 m² +30% | 2016 |
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| 27, Billet Lane319 m away | 50 m² | 67 m² | +17 m² +34% | 2009 |
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| 16, Dorrington Gardens0 m away | 69 m² | 85 m² | +16 m² +23% | 2023 |
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| 25, Windsor Road941 m away | 87 m² | 103 m² | +16 m² +18% | 2022 |
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| 4, Henderson Close956 m away | 86 m² | 102 m² | +16 m² +19% | 2021 |
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| 3, Lambourne Gardens466 m away | 68 m² | 84 m² | +16 m² +24% | 2016 |
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| 139, Kenilworth Gardens901 m away | 63 m² | 79 m² | +16 m² +25% | 2012 |
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| 140, North Street777 m away | 37 m² | 52 m² | +15 m² +41% | 2023 |
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| 158, Devonshire Road676 m away | 85 m² | 100 m² | +15 m² +18% | 2022 |
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| 19, Kershaw Close756 m away | 85 m² | 100 m² | +15 m² +18% | 2019 |
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| 126, Alma Avenue817 m away | 83 m² | 98 m² | +15 m² +18% | 2017 |
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| 6, Abbs Cross Gardens368 m away | 68 m² | 83 m² | +15 m² +22% | 2016 |
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