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 2BY
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 Avenue811 m away | 248 m² | 555 m² | +307 m² +124% | 2015 |
| 21, Parkstone Avenue961 m away | 283 m² | 526 m² | +243 m² +86% | 2017 |
| 84, Harrow Drive780 m away | 189 m² | 414 m² | +225 m² +119% | 2012 |
| 4, Porchester Close934 m away | 187 m² | 401 m² | +214 m² +114% | 2014 |
| 95, Harrow Drive775 m away | 140 m² | 340 m² | +200 m² +143% | 2024 |
| 12, Rockchase Gardens915 m away | 208 m² | 378 m² | +170 m² +82% | 2020 |
| 9, Ayloffs Walk878 m away | 143 m² | 285 m² | +142 m² +99% | 2020 |
| 60, Brookside985 m away | 115 m² | 243 m² | +128 m² +111% | 2016 |
| 73, Harrow Drive775 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.
| 269 m² |
| 390 m² |
| +121 m² +45% |
| 2016 |
| 8, Brookside745 m away | 112 m² | 231 m² | +119 m² +106% | 2022 |
|---|
| 2a, Burntwood Avenue861 m away | 160 m² | 276 m² | +116 m² +73% | 2015 |
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| 10, Eyre Close880 m away | 96 m² | 207 m² | +111 m² +116% | 2026 |
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| 25, Warrington Gardens340 m away | 87 m² | 194 m² | +107 m² +123% | 2024 |
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| 15, Haynes Road790 m away | 85 m² | 191 m² | +106 m² +125% | 2019 |
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| 5, Mendoza Close971 m away | 209 m² | 314 m² | +105 m² +50% | 2022 |
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| 59, Ardleigh Green Road560 m away | 124 m² | 227 m² | +103 m² +83% | 2017 |
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| 22, Burntwood Avenue861 m away | 259 m² | 359 m² | +100 m² +39% | 2025 |
|---|
| 8, Walden Road703 m away | 153 m² | 251 m² | +98 m² +64% | 2025 |
|---|
| 65, Hillview Avenue747 m away | 65 m² | 162 m² | +97 m² +149% | 2017 |
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| 475, Upper Brentwood Road775 m away | 85 m² | 180 m² | +95 m² +112% | 2022 |
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| 22, Catherine Road681 m away | 78 m² | 172 m² | +94 m² +121% | 2024 |
|---|
| 28, Boscombe Avenue805 m away | 93 m² | 186 m² | +93 m² +100% | 2026 |
|---|
| 19, Fairholme Avenue752 m away | 142 m² | 235 m² | +93 m² +65% | 2021 |
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| 4, Windsor Road842 m away | 75 m² | 167 m² | +92 m² +123% | 2022 |
|---|
| 176, Carlton Road987 m away | 72 m² | 164 m² | +92 m² +128% | 2021 |
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| 421, Brentwood Road541 m away | 147 m² | 236 m² | +89 m² +61% | 2023 |
|---|
| 55, Kinfauns Avenue304 m away | 72 m² | 159 m² | +87 m² +121% | 2014 |
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| 3, Westmoreland Avenue571 m away | 112 m² | 192 m² | +80 m² +71% | 2025 |
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| 7, Berther Road971 m away | 106 m² | 186 m² | +80 m² +75% | 2020 |
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| 103, Heath Park Road510 m away | 219 m² | 298 m² | +79 m² +36% | 2023 |
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| 18, Balmoral Road649 m away | 117 m² | 195 m² | +78 m² +67% | 2025 |
|---|
| 4, Woodcutters Close750 m away | 145 m² | 222 m² | +77 m² +53% | 2020 |
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| 18, Compton Avenue999 m away | 87 m² | 163 m² | +76 m² +87% | 2025 |
|---|
| 147, Haynes Road490 m away | 134 m² | 208 m² | +74 m² +55% | 2021 |
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| 163, Haynes Road490 m away | 79 m² | 153 m² | +74 m² +94% | 2017 |
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| 83, Haynes Road790 m away | 93 m² | 165 m² | +72 m² +77% | 2024 |
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| 274, Osborne Road825 m away | 108 m² | 180 m² | +72 m² +67% | 2024 |
|---|
| 34, Boscombe Avenue959 m away | 82 m² | 153 m² | +71 m² +87% | 2025 |
|---|
| 41, Heath Park Road802 m away | 118 m² | 189 m² | +71 m² +60% | 2020 |
|---|
| 21, Woodlands Avenue811 m away | 251 m² | 321 m² | +70 m² +28% | 2023 |
|---|
| 24, Hazel Rise104 m away | 96 m² | 165 m² | +69 m² +72% | 2020 |
|---|
| 96, Harrow Drive780 m away | 138 m² | 206 m² | +68 m² +49% | 2024 |
|---|
| 6, Burntwood Avenue861 m away | 323 m² | 390 m² | +67 m² +21% | 2014 |
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| 100, Cranham Road366 m away | 65 m² | 130 m² | +65 m² +100% | 2016 |
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| 8, The Woodfines759 m away | 199 m² | 264 m² | +65 m² +33% | 2016 |
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| 106, Squirrels Heath Lane852 m away | 104 m² | 168 m² | +64 m² +62% | 2014 |
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| 2, Warrington Gardens341 m away | 73 m² | 135 m² | +62 m² +85% | 2026 |
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| 235, Brentwood Road784 m away | 98 m² | 160 m² | +62 m² +63% | 2024 |
|---|
| 40, Percival Road377 m away | 45 m² | 106 m² | +61 m² +136% | 2023 |
|---|
| 88, Hyland Way820 m away | 87 m² | 148 m² | +61 m² +70% | 2023 |
|---|
| 94, Northumberland Avenue441 m away | 61 m² | 122 m² | +61 m² +100% | 2021 |
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| 12, Slewins Lane186 m away | 77 m² | 137 m² | +60 m² +78% | 2014 |
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| 28, Wykeham Avenue565 m away | 102 m² | 161 m² | +59 m² +58% | 2023 |
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| 8, Windsor Road842 m away | 73 m² | 130 m² | +57 m² +78% | 2023 |
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| 56, Harrow Drive780 m away | 275 m² | 332 m² | +57 m² +21% | 2018 |
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| 59, Elmhurst Drive795 m away | 98 m² | 155 m² | +57 m² +58% | 2015 |
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| 1, Cromer Road945 m away | 89 m² | 145 m² | +56 m² +63% | 2024 |
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| 102, Osborne Road516 m away | 84 m² | 140 m² | +56 m² +67% | 2021 |
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| 88, Squirrels Heath Lane852 m away | 87 m² | 142 m² | +55 m² +63% | 2025 |
|---|
| 34, Great Gardens Road358 m away | 66 m² | 121 m² | +55 m² +83% | 2017 |
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| 114, Hillview Avenue422 m away | 53 m² | 107 m² | +54 m² +102% | 2026 |
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| 8, Rockingham Avenue727 m away | 139 m² | 193 m² | +54 m² +39% | 2020 |
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| 54, Brooklands Gardens211 m away | 72 m² | 125 m² | +53 m² +74% | 2025 |
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| 100, Hillview Avenue553 m away | 135 m² | 188 m² | +53 m² +39% | 2022 |
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| 5, Lytton Road473 m away | 85 m² | 138 m² | +53 m² +62% | 2019 |
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| 1, Boscombe Avenue805 m away | 78 m² | 129 m² | +51 m² +65% | 2023 |
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| 270, Carlton Road869 m away | 80 m² | 131 m² | +51 m² +64% | 2021 |
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| 28, Osborne Road687 m away | 105 m² | 156 m² | +51 m² +49% | 2019 |
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| 17, Rowan Walk748 m away | 126 m² | 177 m² | +51 m² +40% | 2019 |
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| 191, Northumberland Avenue641 m away | 122 m² | 172 m² | +50 m² +41% | 2026 |
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| 17, Eugene Close532 m away | 82 m² | 132 m² | +50 m² +61% | 2025 |
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| 38, Hillview Avenue735 m away | 91 m² | 141 m² | +50 m² +55% | 2024 |
|---|
| 19, Hillview Avenue747 m away | 107 m² | 157 m² | +50 m² +47% | 2021 |
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| 111a, Hillview Avenue553 m away | 126 m² | 175 m² | +49 m² +39% | 2026 |
|---|
| 73, Slewins Lane0 m away | 153 m² | 202 m² | +49 m² +32% | 2025 |
|---|
| 7, Hardley Crescent807 m away | 118 m² | 167 m² | +49 m² +42% | 2025 |
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| 49, Heath Park Road802 m away | 174 m² | 223 m² | +49 m² +28% | 2024 |
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| 52, Harrow Drive780 m away | 220 m² | 268 m² | +48 m² +22% | 2025 |
|---|
| 1, Catherine Road681 m away | 72 m² | 120 m² | +48 m² +67% | 2024 |
|---|
| Flat 8, Waterwell Court, 3a, Manor Avenue336 m away | 52 m² | 98 m² | +46 m² +88% | 2026 |
|---|
| 185, Northumberland Avenue641 m away | 83 m² | 129 m² | +46 m² +55% | 2014 |
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| 67, Heath Park Road802 m away | 117 m² | 163 m² | +46 m² +39% | 2012 |
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| 21, Lytton Road473 m away | 133 m² | 178 m² | +45 m² +34% | 2024 |
|---|
| 252, Osborne Road825 m away | 81 m² | 126 m² | +45 m² +56% | 2024 |
|---|
| 46, Percival Road377 m away | 46 m² | 91 m² | +45 m² +98% | 2019 |
|---|
| 7, Slewins Lane186 m away | 158 m² | 202 m² | +44 m² +28% | 2020 |
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| 119, Northumberland Avenue427 m away | 60 m² | 104 m² | +44 m² +73% | 2019 |
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| 88, Cranham Road366 m away | 90 m² | 133 m² | +43 m² +48% | 2024 |
|---|
| 14, Walden Way519 m away | 207 m² | 249 m² | +42 m² +20% | 2024 |
|---|
| 53, Hazelmere Gardens112 m away | 127 m² | 169 m² | +42 m² +33% | 2022 |
|---|
| 8, Maybrick Road333 m away | 115 m² | 156 m² | +41 m² +36% | 2022 |
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| 6, Thorncroft569 m away | 65 m² | 105 m² | +40 m² +62% | 2026 |
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| 19, Heath Park Road973 m away | 144 m² | 184 m² | +40 m² +28% | 2024 |
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| 46, Squirrels Heath Lane744 m away | 112 m² | 152 m² | +40 m² +36% | 2022 |
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| 7, Cranham Road420 m away | 85 m² | 125 m² | +40 m² +47% | 2014 |
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| 1, Margaret Close504 m away | 95 m² | 135 m² | +40 m² +42% | 2014 |
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| 130, Northumberland Avenue677 m away | 61 m² | 101 m² | +40 m² +66% | 2012 |
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| 166, Lyndhurst Drive774 m away | 95 m² | 134 m² | +39 m² +41% | 2026 |
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| 55, Haynes Road790 m away | 92 m² | 131 m² | +39 m² +42% | 2022 |
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| 3, Rowan Walk748 m away | 165 m² | 204 m² | +39 m² +24% | 2020 |
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| 7, Thorncroft569 m away | 65 m² | 103 m² | +38 m² +58% | 2026 |
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| 27, Slewins Lane186 m away | 88 m² | 126 m² | +38 m² +43% | 2024 |
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| 23, Rossall Close989 m away | 115 m² | 153 m² | +38 m² +33% | 2022 |
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| 62, Great Gardens Road225 m away | 72 m² | 110 m² | +38 m² +53% | 2021 |
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| 13, Warrington Gardens341 m away | 76 m² | 114 m² | +38 m² +50% | 2014 |
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| 18, Thorncroft569 m away | 98 m² | 135 m² | +37 m² +38% | 2024 |
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| 9, Brooklands Gardens243 m away | 100 m² | 137 m² | +37 m² +37% | 2016 |
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| 32, Boscombe Avenue805 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
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| 43, Kingsley Gardens927 m away | 92 m² | 128 m² | +36 m² +39% | 2025 |
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| 67, Cranham Road420 m away | 82 m² | 118 m² | +36 m² +44% | 2024 |
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| 105, Hyland Way921 m away | 92 m² | 128 m² | +36 m² +39% | 2024 |
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| 222, Balgores Lane614 m away | 124 m² | 160 m² | +36 m² +29% | 2022 |
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| 5, Heath Park Road973 m away | 101 m² | 137 m² | +36 m² +36% | 2021 |
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| 28, Whitethorn Gardens239 m away | 84 m² | 119 m² | +35 m² +42% | 2026 |
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| 32, Hazel Rise104 m away | 68 m² | 103 m² | +35 m² +51% | 2021 |
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| 29, Thorncroft569 m away | 132 m² | 167 m² | +35 m² +27% | 2016 |
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| 34, Brookside745 m away | 93 m² | 127 m² | +34 m² +37% | 2024 |
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| 60, Cranham Road469 m away | 66 m² | 100 m² | +34 m² +52% | 2020 |
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| 11, Lewis Road413 m away | 85 m² | 118 m² | +33 m² +39% | 2026 |
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| 20, Pinecroft431 m away | 102 m² | 135 m² | +33 m² +32% | 2025 |
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| 51, Cromer Road945 m away | 103 m² | 136 m² | +33 m² +32% | 2025 |
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| 210, Brentwood Road858 m away | 82 m² | 115 m² | +33 m² +40% | 2024 |
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| 127, Osborne Road516 m away | 82 m² | 115 m² | +33 m² +40% | 2017 |
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| 46, Salisbury Road435 m away | 68 m² | 101 m² | +33 m² +49% | 2016 |
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| 22, Balmoral Road649 m away | 126 m² | 159 m² | +33 m² +26% | 2015 |
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| 465, Upper Brentwood Road775 m away | 87 m² | 120 m² | +33 m² +38% | 2013 |
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| 25a, Percival Road377 m away | 81 m² | 113 m² | +32 m² +40% | 2025 |
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| 12, Eugene Close532 m away | 78 m² | 109 m² | +31 m² +40% | 2025 |
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| 104, Osborne Road516 m away | 101 m² | 132 m² | +31 m² +31% | 2024 |
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| 32a, Northumberland Avenue217 m away | 113 m² | 144 m² | +31 m² +27% | 2023 |
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| 82, Haynes Road457 m away | 116 m² | 146 m² | +30 m² +26% | 2024 |
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| 7, Percival Road377 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
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| 36, Haynes Road745 m away | 84 m² | 114 m² | +30 m² +36% | 2023 |
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| 92, Northumberland Avenue441 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 26, Wykeham Avenue565 m away | 111 m² | 141 m² | +30 m² +27% | 2019 |
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| 8, Manor Crescent352 m away | 136 m² | 166 m² | +30 m² +22% | 2017 |
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| 120, Hillview Avenue422 m away | 77 m² | 106 m² | +29 m² +38% | 2025 |
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| 48, Harrow Drive780 m away | 109 m² | 138 m² | +29 m² +27% | 2024 |
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| 9, Margaret Road552 m away | 105 m² | 134 m² | +29 m² +28% | 2021 |
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| 60, Rockingham Avenue727 m away | 127 m² | 156 m² | +29 m² +23% | 2020 |
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| 22, Boscombe Avenue805 m away | 92 m² | 121 m² | +29 m² +32% | 2020 |
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| 5, Fanshawe Crescent408 m away | 146 m² | 175 m² | +29 m² +20% | 2017 |
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| 56, Great Gardens Road225 m away | 98 m² | 127 m² | +29 m² +30% | 2014 |
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| 49, Hazelmere Gardens112 m away | 83 m² | 111 m² | +28 m² +34% | 2021 |
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| 61, Balgores Lane942 m away | 157 m² | 185 m² | +28 m² +18% | 2019 |
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| 31a, Butts Green Road787 m away | 38 m² | 66 m² | +28 m² +74% | 2013 |
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| 234, Osborne Road825 m away | 99 m² | 126 m² | +27 m² +27% | 2024 |
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| 1, Ardleigh Green Road484 m away | 105 m² | 132 m² | +27 m² +26% | 2018 |
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| 6, Slewins Lane186 m away | 51 m² | 78 m² | +27 m² +53% | 2017 |
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| 8, Whitethorn Gardens239 m away | 87 m² | 114 m² | +27 m² +31% | 2017 |
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| 44, Cranham Road469 m away | 98 m² | 125 m² | +27 m² +28% | 2012 |
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| 50, Hillview Avenue735 m away | 84 m² | 111 m² | +27 m² +32% | 2011 |
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| 371, Brentwood Road320 m away | 87 m² | 114 m² | +27 m² +31% | 2010 |
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| 18, Hardley Crescent807 m away | 111 m² | 137 m² | +26 m² +23% | 2023 |
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| 36, Heath Park Road843 m away | 81 m² | 107 m² | +26 m² +32% | 2023 |
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| 109a, Hillview Avenue553 m away | 88 m² | 114 m² | +26 m² +30% | 2022 |
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| 41, Cavenham Gardens184 m away | 77 m² | 103 m² | +26 m² +34% | 2021 |
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| 48, Boscombe Avenue959 m away | 96 m² | 122 m² | +26 m² +27% | 2019 |
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| 76, Hillview Avenue735 m away | 68 m² | 94 m² | +26 m² +38% | 2016 |
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| 16, Eugene Close532 m away | 92 m² | 117 m² | +25 m² +27% | 2023 |
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| 1, Elms Close916 m away | 116 m² | 141 m² | +25 m² +22% | 2023 |
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| 240, Carlton Road911 m away | 97 m² | 122 m² | +25 m² +26% | 2017 |
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| 23, Lawrence Road620 m away | 158 m² | 183 m² | +25 m² +16% | 2015 |
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| 23a, Butts Green Road787 m away | 40 m² | 64 m² | +24 m² +60% | 2025 |
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| 181, Osborne Road595 m away | 90 m² | 114 m² | +24 m² +27% | 2024 |
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| Flat 55, Nyall Court, Kidman Close988 m away | 44 m² | 68 m² | +24 m² +55% | 2024 |
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| 102, Northumberland Avenue441 m away | 67 m² | 91 m² | +24 m² +36% | 2023 |
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| 52, Haynes Road745 m away | 89 m² | 113 m² | +24 m² +27% | 2023 |
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| 4, Manor Crescent352 m away | 152 m² | 176 m² | +24 m² +16% | 2022 |
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| Flat 64, Nyall Court, Kidman Close988 m away | 36 m² | 60 m² | +24 m² +67% | 2022 |
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| 101, Heath Park Road510 m away | 118 m² | 141 m² | +23 m² +19% | 2023 |
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| 90, Osborne Road516 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 27a, Osborne Road642 m away | 143 m² | 166 m² | +23 m² +16% | 2019 |
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| 6b, Slewins Lane186 m away | 51 m² | 74 m² | +23 m² +45% | 2018 |
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| 80, Heath Park Road621 m away | 43 m² | 66 m² | +23 m² +53% | 2009 |
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| 23, Clive Road561 m away | 88 m² | 110 m² | +22 m² +25% | 2025 |
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| 274, Carlton Road869 m away | 96 m² | 118 m² | +22 m² +23% | 2023 |
|---|
| 132, Hillview Avenue422 m away | 45 m² | 67 m² | +22 m² +49% | 2013 |
|---|
| 4, Academy Fields Road752 m away | 113 m² | 135 m² | +22 m² +19% | 2013 |
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| 114, Grosvenor Drive720 m away | 62 m² | 84 m² | +22 m² +35% | 2011 |
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| 86a, Station Road671 m away | 75 m² | 96 m² | +21 m² +28% | 2024 |
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| 115, Northumberland Avenue427 m away | 58 m² | 79 m² | +21 m² +36% | 2023 |
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| 216, Carlton Road911 m away | 98 m² | 119 m² | +21 m² +21% | 2023 |
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| 13, Kingsley Court575 m away | 27 m² | 48 m² | +21 m² +78% | 2021 |
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| Flat 11, Masters Court, 3, Academy Fields Road748 m away | 46 m² | 67 m² | +21 m² +46% | 2021 |
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| 7, Regency Gardens941 m away | 134 m² | 155 m² | +21 m² +16% | 2021 |
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| 12, Pinecroft431 m away | 73 m² | 94 m² | +21 m² +29% | 2019 |
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| 330, Brentwood Road305 m away | 102 m² | 123 m² | +21 m² +21% | 2018 |
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| 6, Kingsley Gardens905 m away | 81 m² | 102 m² | +21 m² +26% | 2018 |
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| 32, Victoria House, Durham Avenue879 m away | 57 m² | 78 m² | +21 m² +37% | 2013 |
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| 35, Maybrick Road249 m away | 96 m² | 116 m² | +20 m² +21% | 2026 |
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| 8, Margaret Road552 m away | 87 m² | 107 m² | +20 m² +23% | 2025 |
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| 31, Durham Avenue848 m away | 90 m² | 110 m² | +20 m² +22% | 2024 |
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| 83, Hillview Avenue553 m away | 84 m² | 104 m² | +20 m² +24% | 2023 |
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| 153, Northumberland Avenue641 m away | 71 m² | 91 m² | +20 m² +28% | 2022 |
|---|
| 221, Osborne Road595 m away | 114 m² | 134 m² | +20 m² +18% | 2021 |
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| 93, Lyndhurst Drive960 m away | 82 m² | 102 m² | +20 m² +24% | 2021 |
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| 12, Heath Park Road973 m away | 82 m² | 102 m² | +20 m² +24% | 2012 |
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| 14, Hamilton Road681 m away | 58 m² | 78 m² | +20 m² +34% | 2011 |
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| 15, Manor Crescent352 m away | 90 m² | 109 m² | +19 m² +21% | 2026 |
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