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 1XR
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 |
|---|---|---|---|---|
| 21, Parkstone Avenue758 m away | 283 m² | 526 m² | +243 m² +86% | 2017 |
| 84, Harrow Drive801 m away | 189 m² | 414 m² | +225 m² +119% | 2012 |
| 4, Nelmes Road886 m away | 162 m² | 372 m² | +210 m² +130% | 2014 |
| 14, Dalewood Close840 m away | 178 m² | 384 m² | +206 m² +116% | 2020 |
| 95, Harrow Drive862 m away | 140 m² | 340 m² | +200 m² +143% | 2024 |
| 12, Rockchase Gardens828 m away | 208 m² | 378 m² | +170 m² +82% | 2020 |
| 16, Berther Road599 m away | 146 m² | 292 m² | +146 m² +100% | 2026 |
| 73, Harrow Drive862 m away | 269 m² | 390 m² | +121 m² +45% | 2016 |
| 2a, Burntwood Avenue940 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.
| 160 m² |
| 276 m² |
| +116 m² +73% |
| 2015 |
| 25, Warrington Gardens909 m away | 87 m² | 194 m² | +107 m² +123% | 2024 |
|---|
| 42, Parkstone Avenue944 m away | 481 m² | 588 m² | +107 m² +22% | 2010 |
|---|
| 23, The Avenue577 m away | 87 m² | 191 m² | +104 m² +120% | 2022 |
|---|
| 22, Burntwood Avenue940 m away | 259 m² | 359 m² | +100 m² +39% | 2025 |
|---|
| 8, Walden Road671 m away | 153 m² | 251 m² | +98 m² +64% | 2025 |
|---|
| 65, Hillview Avenue561 m away | 65 m² | 162 m² | +97 m² +149% | 2017 |
|---|
| 28, Boscombe Avenue427 m away | 93 m² | 186 m² | +93 m² +100% | 2026 |
|---|
| 18, Emerson Drive242 m away | 122 m² | 214 m² | +92 m² +75% | 2026 |
|---|
| 4, Windsor Road507 m away | 75 m² | 167 m² | +92 m² +123% | 2022 |
|---|
| 62, Devonshire Road725 m away | 74 m² | 163 m² | +89 m² +120% | 2025 |
|---|
| 55, Kinfauns Avenue976 m away | 72 m² | 159 m² | +87 m² +121% | 2014 |
|---|
| 42, Elmhurst Drive582 m away | 83 m² | 168 m² | +85 m² +102% | 2021 |
|---|
| 106, Stanley Road714 m away | 69 m² | 150 m² | +81 m² +117% | 2026 |
|---|
| 12, Nelmes Road886 m away | 184 m² | 265 m² | +81 m² +44% | 2025 |
|---|
| 7, Berther Road590 m away | 106 m² | 186 m² | +80 m² +75% | 2020 |
|---|
| 38, Hyland Way936 m away | 110 m² | 190 m² | +80 m² +73% | 2019 |
|---|
| 7, Victor Gardens357 m away | 55 m² | 133 m² | +78 m² +142% | 2025 |
|---|
| 24, Grey Towers Avenue129 m away | 100 m² | 177 m² | +77 m² +77% | 2020 |
|---|
| 1, Elmhurst Drive624 m away | 94 m² | 171 m² | +77 m² +82% | 2020 |
|---|
| 7, Nelmes Road886 m away | 258 m² | 333 m² | +75 m² +29% | 2018 |
|---|
| 4, Hyland Close855 m away | 86 m² | 161 m² | +75 m² +87% | 2017 |
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| 136, Abbs Cross Lane907 m away | 147 m² | 220 m² | +73 m² +50% | 2022 |
|---|
| 25, Lambourne Gardens892 m away | 60 m² | 132 m² | +72 m² +120% | 2025 |
|---|
| 274, Osborne Road431 m away | 108 m² | 180 m² | +72 m² +67% | 2024 |
|---|
| 34, Boscombe Avenue285 m away | 82 m² | 153 m² | +71 m² +87% | 2025 |
|---|
| 24, Stanley Road651 m away | 98 m² | 168 m² | +70 m² +71% | 2018 |
|---|
| 77, Bruce Avenue529 m away | 55 m² | 124 m² | +69 m² +125% | 2018 |
|---|
| 96, Harrow Drive801 m away | 138 m² | 206 m² | +68 m² +49% | 2024 |
|---|
| 136, Burnway734 m away | 50 m² | 118 m² | +68 m² +136% | 2023 |
|---|
| 27, St Georges Avenue975 m away | 75 m² | 143 m² | +68 m² +91% | 2015 |
|---|
| 6, Burntwood Avenue940 m away | 323 m² | 390 m² | +67 m² +21% | 2014 |
|---|
| 8, The Woodfines805 m away | 199 m² | 264 m² | +65 m² +33% | 2016 |
|---|
| 100, Cranham Road993 m away | 65 m² | 130 m² | +65 m² +100% | 2016 |
|---|
| 33, Grey Towers Avenue129 m away | 89 m² | 153 m² | +64 m² +72% | 2018 |
|---|
| 12, Harrow Drive685 m away | 108 m² | 171 m² | +63 m² +58% | 2015 |
|---|
| 2, Warrington Gardens960 m away | 73 m² | 135 m² | +62 m² +85% | 2026 |
|---|
| 40, Percival Road867 m away | 45 m² | 106 m² | +61 m² +136% | 2023 |
|---|
| 5, Bellevue Road975 m away | 103 m² | 164 m² | +61 m² +59% | 2022 |
|---|
| 28, Wykeham Avenue790 m away | 102 m² | 161 m² | +59 m² +58% | 2023 |
|---|
| 8, Herbert Road721 m away | 227 m² | 285 m² | +58 m² +26% | 2026 |
|---|
| 8, Windsor Road507 m away | 73 m² | 130 m² | +57 m² +78% | 2023 |
|---|
| 56, Harrow Drive801 m away | 275 m² | 332 m² | +57 m² +21% | 2018 |
|---|
| 59, Elmhurst Drive702 m away | 98 m² | 155 m² | +57 m² +58% | 2015 |
|---|
| 62, Beverley Gardens895 m away | 137 m² | 193 m² | +56 m² +41% | 2025 |
|---|
| 56, Beverley Gardens895 m away | 81 m² | 137 m² | +56 m² +69% | 2025 |
|---|
| 1, Cromer Road302 m away | 89 m² | 145 m² | +56 m² +63% | 2024 |
|---|
| 102, Osborne Road898 m away | 84 m² | 140 m² | +56 m² +67% | 2021 |
|---|
| 2, Yevele Way806 m away | 121 m² | 177 m² | +56 m² +46% | 2015 |
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| 48, Suttons Avenue1000 m away | 58 m² | 113 m² | +55 m² +95% | 2025 |
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| 114, Hillview Avenue832 m away | 53 m² | 107 m² | +54 m² +102% | 2026 |
|---|
| 6, Mavis Grove641 m away | 129 m² | 183 m² | +54 m² +42% | 2024 |
|---|
| 113, Abbs Cross Lane784 m away | 152 m² | 206 m² | +54 m² +36% | 2015 |
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| 100, Hillview Avenue679 m away | 135 m² | 188 m² | +53 m² +39% | 2022 |
|---|
| 24, Lyndhurst Drive396 m away | 88 m² | 141 m² | +53 m² +60% | 2020 |
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| 13, Devonshire Road761 m away | 204 m² | 256 m² | +52 m² +25% | 2023 |
|---|
| 1, Boscombe Avenue427 m away | 78 m² | 129 m² | +51 m² +65% | 2023 |
|---|
| 130, Burnway734 m away | 64 m² | 115 m² | +51 m² +80% | 2018 |
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| 38, Hillview Avenue591 m away | 91 m² | 141 m² | +50 m² +55% | 2024 |
|---|
| 85, Stanley Road760 m away | 71 m² | 121 m² | +50 m² +70% | 2024 |
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| 52, Mill Park Avenue906 m away | 147 m² | 197 m² | +50 m² +34% | 2024 |
|---|
| 19, Hillview Avenue561 m away | 107 m² | 157 m² | +50 m² +47% | 2021 |
|---|
| 111a, Hillview Avenue679 m away | 126 m² | 175 m² | +49 m² +39% | 2026 |
|---|
| 48, Beverley Gardens895 m away | 65 m² | 114 m² | +49 m² +75% | 2023 |
|---|
| 52, Harrow Drive801 m away | 220 m² | 268 m² | +48 m² +22% | 2025 |
|---|
| 8, Bowden Drive651 m away | 108 m² | 156 m² | +48 m² +44% | 2024 |
|---|
| 23, Harrow Drive734 m away | 139 m² | 187 m² | +48 m² +35% | 2012 |
|---|
| 66, North Street324 m away | 195 m² | 242 m² | +47 m² +24% | 2022 |
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| 7, Dalewood Close840 m away | 166 m² | 213 m² | +47 m² +28% | 2019 |
|---|
| 6, Forbes Close989 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
|---|
| 9, Sandown Avenue386 m away | 75 m² | 120 m² | +45 m² +60% | 2026 |
|---|
| 252, Osborne Road431 m away | 81 m² | 126 m² | +45 m² +56% | 2024 |
|---|
| 50, Woodhall Crescent943 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
|---|
| 6, Glamis Drive696 m away | 40 m² | 85 m² | +45 m² +113% | 2019 |
|---|
| 46, Percival Road867 m away | 46 m² | 91 m² | +45 m² +98% | 2019 |
|---|
| 16, Allenby Drive867 m away | 70 m² | 114 m² | +44 m² +63% | 2024 |
|---|
| 6, Lodge Court676 m away | 67 m² | 111 m² | +44 m² +66% | 2012 |
|---|
| 3, Harrow Close903 m away | 86 m² | 129 m² | +43 m² +50% | 2026 |
|---|
| 88, Cranham Road993 m away | 90 m² | 133 m² | +43 m² +48% | 2024 |
|---|
| 14, Walden Way887 m away | 207 m² | 249 m² | +42 m² +20% | 2024 |
|---|
| 4, Emerson Drive242 m away | 120 m² | 162 m² | +42 m² +35% | 2020 |
|---|
| 5a, Nelmes Road886 m away | 235 m² | 276 m² | +41 m² +17% | 2015 |
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| 33, Mill Park Avenue906 m away | 114 m² | 154 m² | +40 m² +35% | 2025 |
|---|
| 79, Bruce Avenue529 m away | 75 m² | 115 m² | +40 m² +53% | 2023 |
|---|
| 4, Harrow Close903 m away | 101 m² | 141 m² | +40 m² +40% | 2023 |
|---|
| 166, Lyndhurst Drive473 m away | 95 m² | 134 m² | +39 m² +41% | 2026 |
|---|
| Flat 7, Noble Court, 126, North Street429 m away | 45 m² | 83 m² | +38 m² +84% | 2026 |
|---|
| 29, Keswick Avenue0 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
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| 41, The Avenue549 m away | 82 m² | 120 m² | +38 m² +46% | 2024 |
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| 13, Warrington Gardens960 m away | 76 m² | 114 m² | +38 m² +50% | 2014 |
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| 25, Abbs Cross Gardens383 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
|---|
| 9, Brooklands Gardens994 m away | 100 m² | 137 m² | +37 m² +37% | 2016 |
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| 32, Boscombe Avenue427 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
|---|
| 14, Patricia Drive808 m away | 69 m² | 105 m² | +36 m² +52% | 2025 |
|---|
| 118, Bruce Avenue528 m away | 72 m² | 108 m² | +36 m² +50% | 2022 |
|---|
| 34, Harrow Drive685 m away | 232 m² | 268 m² | +36 m² +16% | 2020 |
|---|
| 65, Bruce Avenue529 m away | 71 m² | 106 m² | +35 m² +49% | 2025 |
|---|
| 110, Hornchurch Road669 m away | 81 m² | 116 m² | +35 m² +43% | 2020 |
|---|
| 5, Patricia Drive808 m away | 66 m² | 101 m² | +35 m² +53% | 2017 |
|---|
| 58, Westland Avenue860 m away | 88 m² | 123 m² | +35 m² +40% | 2017 |
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| 2, Bowden Drive651 m away | 141 m² | 175 m² | +34 m² +24% | 2026 |
|---|
| 78, Glebe Way721 m away | 115 m² | 149 m² | +34 m² +30% | 2026 |
|---|
| 64, Station Lane581 m away | 64 m² | 98 m² | +34 m² +53% | 2025 |
|---|
| 38, Westland Avenue860 m away | 138 m² | 172 m² | +34 m² +25% | 2023 |
|---|
| 24, The Mall859 m away | 53 m² | 87 m² | +34 m² +64% | 2016 |
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| 11, Lewis Road818 m away | 85 m² | 118 m² | +33 m² +39% | 2026 |
|---|
| 51, Cromer Road302 m away | 103 m² | 136 m² | +33 m² +32% | 2025 |
|---|
| 87, Glebe Way721 m away | 146 m² | 179 m² | +33 m² +23% | 2025 |
|---|
| 140, Burnway734 m away | 47 m² | 80 m² | +33 m² +70% | 2023 |
|---|
| 127, Osborne Road898 m away | 82 m² | 115 m² | +33 m² +40% | 2017 |
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| 25, Lyndhurst Drive423 m away | 101 m² | 133 m² | +32 m² +32% | 2025 |
|---|
| 25a, Percival Road867 m away | 81 m² | 113 m² | +32 m² +40% | 2025 |
|---|
| 104, Osborne Road898 m away | 101 m² | 132 m² | +31 m² +31% | 2024 |
|---|
| 129, Victor Close312 m away | 76 m² | 106 m² | +30 m² +39% | 2026 |
|---|
| 5, Hyland Close855 m away | 78 m² | 108 m² | +30 m² +38% | 2024 |
|---|
| 7, Percival Road867 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
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| 66, Grey Towers Avenue193 m away | 50 m² | 80 m² | +30 m² +60% | 2019 |
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| 26, Wykeham Avenue790 m away | 111 m² | 141 m² | +30 m² +27% | 2019 |
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| 37, Glebe Way552 m away | 93 m² | 123 m² | +30 m² +32% | 2017 |
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| 10, Pegelm Gardens978 m away | 98 m² | 128 m² | +30 m² +31% | 2017 |
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| 70, Stanley Road714 m away | 101 m² | 130 m² | +29 m² +29% | 2025 |
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| 120, Hillview Avenue832 m away | 77 m² | 106 m² | +29 m² +38% | 2025 |
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| 48, Harrow Drive801 m away | 109 m² | 138 m² | +29 m² +27% | 2024 |
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| 23, Warriner Avenue883 m away | 108 m² | 137 m² | +29 m² +27% | 2024 |
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| 22, Boscombe Avenue427 m away | 92 m² | 121 m² | +29 m² +32% | 2020 |
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| 145, Bruce Avenue528 m away | 124 m² | 153 m² | +29 m² +23% | 2020 |
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| Swan House, 54, Station Lane581 m away | 34 m² | 63 m² | +29 m² +85% | 2017 |
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| 5, Fanshawe Crescent856 m away | 146 m² | 175 m² | +29 m² +20% | 2017 |
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| 170, Abbs Cross Lane907 m away | 85 m² | 114 m² | +29 m² +34% | 2016 |
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| 12a, Westland Avenue503 m away | 60 m² | 88 m² | +28 m² +47% | 2018 |
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| 31a, Butts Green Road681 m away | 38 m² | 66 m² | +28 m² +74% | 2013 |
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| 20, Emerson Drive242 m away | 152 m² | 179 m² | +27 m² +18% | 2026 |
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| 234, Osborne Road431 m away | 99 m² | 126 m² | +27 m² +27% | 2024 |
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| 18, Kershaw Close477 m away | 100 m² | 127 m² | +27 m² +27% | 2024 |
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| 23, Grey Towers Avenue227 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 50, Hillview Avenue591 m away | 84 m² | 111 m² | +27 m² +32% | 2011 |
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| 55, Bruce Avenue529 m away | 62 m² | 88 m² | +26 m² +42% | 2023 |
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| 109a, Hillview Avenue679 m away | 88 m² | 114 m² | +26 m² +30% | 2022 |
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| 99a, Glebe Way721 m away | 59 m² | 85 m² | +26 m² +44% | 2022 |
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| 48, Boscombe Avenue285 m away | 96 m² | 122 m² | +26 m² +27% | 2019 |
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| 76, Hillview Avenue591 m away | 68 m² | 94 m² | +26 m² +38% | 2016 |
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| 1, Glebe Way449 m away | 104 m² | 129 m² | +25 m² +24% | 2026 |
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| 1, Elms Close965 m away | 116 m² | 141 m² | +25 m² +22% | 2023 |
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| 11, Mavis Grove641 m away | 137 m² | 162 m² | +25 m² +18% | 2020 |
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| 1, Napier Close919 m away | 117 m² | 142 m² | +25 m² +21% | 2013 |
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| 59, Abbs Cross Lane555 m away | 74 m² | 98 m² | +24 m² +32% | 2026 |
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| 23a, Butts Green Road681 m away | 40 m² | 64 m² | +24 m² +60% | 2025 |
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| 181, Osborne Road657 m away | 90 m² | 114 m² | +24 m² +27% | 2024 |
|---|
| 30, Allenby Drive867 m away | 107 m² | 131 m² | +24 m² +22% | 2023 |
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| 89, Stanley Road760 m away | 65 m² | 89 m² | +24 m² +37% | 2012 |
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| 18, Wallis Close859 m away | 97 m² | 120 m² | +23 m² +24% | 2022 |
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| 90, Osborne Road898 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 78, North Street324 m away | 107 m² | 129 m² | +22 m² +21% | 2026 |
|---|
| 132, Burnway734 m away | 47 m² | 69 m² | +22 m² +47% | 2024 |
|---|
| 60, Grosvenor Drive491 m away | 70 m² | 92 m² | +22 m² +31% | 2023 |
|---|
| 94, The Avenue628 m away | 61 m² | 83 m² | +22 m² +36% | 2023 |
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| 58, Billet Lane289 m away | 39 m² | 61 m² | +22 m² +56% | 2021 |
|---|
| 17, Victor Close397 m away | 43 m² | 65 m² | +22 m² +51% | 2021 |
|---|
| 9, Glamis Drive696 m away | 49 m² | 71 m² | +22 m² +45% | 2021 |
|---|
| 30, Wayside Avenue882 m away | 79 m² | 101 m² | +22 m² +28% | 2020 |
|---|
| 1, Wedlake Close360 m away | 71 m² | 93 m² | +22 m² +31% | 2018 |
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| 132, Hillview Avenue832 m away | 45 m² | 67 m² | +22 m² +49% | 2013 |
|---|
| 114, Grosvenor Drive621 m away | 62 m² | 84 m² | +22 m² +35% | 2011 |
|---|
| 142, Stanley Road714 m away | 66 m² | 87 m² | +21 m² +32% | 2025 |
|---|
| 7, Regency Gardens465 m away | 134 m² | 155 m² | +21 m² +16% | 2021 |
|---|
| 67, Abbs Cross Lane555 m away | 71 m² | 92 m² | +21 m² +30% | 2018 |
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| 16, Keith Way366 m away | 102 m² | 122 m² | +20 m² +20% | 2026 |
|---|
| Flat 68, Goldsmere Court, Fentiman Way520 m away | 44 m² | 64 m² | +20 m² +45% | 2023 |
|---|
| 83, Hillview Avenue679 m away | 84 m² | 104 m² | +20 m² +24% | 2023 |
|---|
| 93, Lyndhurst Drive402 m away | 82 m² | 102 m² | +20 m² +24% | 2021 |
|---|
| 221, Osborne Road657 m away | 114 m² | 134 m² | +20 m² +18% | 2021 |
|---|
| 21, Wallis Close859 m away | 86 m² | 106 m² | +20 m² +23% | 2021 |
|---|
| 29, Brendans Close587 m away | 58 m² | 78 m² | +20 m² +34% | 2018 |
|---|
| 16, Mansfield Gardens903 m away | 86 m² | 106 m² | +20 m² +23% | 2015 |
|---|
| 57, Bruce Avenue529 m away | 94 m² | 113 m² | +19 m² +20% | 2026 |
|---|
| 94, Hillview Avenue679 m away | 105 m² | 124 m² | +19 m² +18% | 2026 |
|---|
| 55, Glebe Way552 m away | 91 m² | 110 m² | +19 m² +21% | 2025 |
|---|
| 17, Suttons Avenue1000 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
|---|
| 34, Westland Avenue695 m away | 90 m² | 109 m² | +19 m² +21% | 2023 |
|---|
| 29, Brooklands Gardens994 m away | 75 m² | 94 m² | +19 m² +25% | 2023 |
|---|
| 174, Abbs Cross Lane907 m away | 56 m² | 75 m² | +19 m² +34% | 2019 |
|---|
| 129, Hillview Avenue832 m away | 84 m² | 102 m² | +18 m² +21% | 2026 |
|---|
| 164, Osborne Road647 m away | 95 m² | 113 m² | +18 m² +19% | 2025 |
|---|
| 7, St Georges Avenue975 m away | 81 m² | 99 m² | +18 m² +22% | 2025 |
|---|
| 15, Kershaw Close477 m away | 93 m² | 111 m² | +18 m² +19% | 2020 |
|---|
| 26, Link Way514 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
|---|
| 39, Warriner Avenue883 m away | 88 m² | 106 m² | +18 m² +20% | 2020 |
|---|
| 26, Stanley Road651 m away | 99 m² | 116 m² | +17 m² +17% | 2025 |
|---|
| 9, Wallis Close859 m away | 92 m² | 109 m² | +17 m² +18% | 2024 |
|---|
| 20, Priory Mews952 m away | 51 m² | 68 m² | +17 m² +33% | 2022 |
|---|
| 5, Sandown Avenue386 m away | 57 m² | 74 m² | +17 m² +30% | 2016 |
|---|
| 27, Billet Lane164 m away | 50 m² | 67 m² | +17 m² +34% | 2009 |
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