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 2AY
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 |
|---|---|---|---|---|
| 84, Harrow Drive593 m away | 189 m² | 414 m² | +225 m² +119% | 2012 |
| 95, Harrow Drive574 m away | 140 m² | 340 m² | +200 m² +143% | 2024 |
| 73, Harrow Drive574 m away | 269 m² | 390 m² | +121 m² +45% | 2016 |
| 8, Brookside976 m away | 112 m² | 231 m² | +119 m² +106% | 2022 |
| 10, Eyre Close972 m away | 96 m² | 207 m² | +111 m² +116% | 2026 |
| 25, Warrington Gardens425 m away | 87 m² | 194 m² | +107 m² +123% | 2024 |
| 59, Ardleigh Green Road800 m away | 124 m² | 227 m² | +103 m² +83% | 2017 |
| 8, Walden Road786 m away | 153 m² | 251 m² | +98 m² +64% | 2025 |
| 65, Hillview Avenue794 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.
| 65 m² |
| 162 m² |
| +97 m² +149% |
| 2017 |
| 475, Upper Brentwood Road899 m away | 85 m² | 180 m² | +95 m² +112% | 2022 |
|---|
| 22, Catherine Road548 m away | 78 m² | 172 m² | +94 m² +121% | 2024 |
|---|
| 28, Boscombe Avenue765 m away | 93 m² | 186 m² | +93 m² +100% | 2026 |
|---|
| 19, Fairholme Avenue751 m away | 142 m² | 235 m² | +93 m² +65% | 2021 |
|---|
| 4, Windsor Road732 m away | 75 m² | 167 m² | +92 m² +123% | 2022 |
|---|
| 176, Carlton Road904 m away | 72 m² | 164 m² | +92 m² +128% | 2021 |
|---|
| 421, Brentwood Road652 m away | 147 m² | 236 m² | +89 m² +61% | 2023 |
|---|
| 55, Kinfauns Avenue218 m away | 72 m² | 159 m² | +87 m² +121% | 2014 |
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| 42, Elmhurst Drive977 m away | 83 m² | 168 m² | +85 m² +102% | 2021 |
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| 3, Westmoreland Avenue756 m away | 112 m² | 192 m² | +80 m² +71% | 2025 |
|---|
| 38, Hyland Way875 m away | 110 m² | 190 m² | +80 m² +73% | 2019 |
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| 103, Heath Park Road457 m away | 219 m² | 298 m² | +79 m² +36% | 2023 |
|---|
| 18, Balmoral Road610 m away | 117 m² | 195 m² | +78 m² +67% | 2025 |
|---|
| 1, Elmhurst Drive956 m away | 94 m² | 171 m² | +77 m² +82% | 2020 |
|---|
| 4, Woodcutters Close960 m away | 145 m² | 222 m² | +77 m² +53% | 2020 |
|---|
| 4, Hyland Close883 m away | 86 m² | 161 m² | +75 m² +87% | 2017 |
|---|
| 147, Haynes Road737 m away | 134 m² | 208 m² | +74 m² +55% | 2021 |
|---|
| 163, Haynes Road737 m away | 79 m² | 153 m² | +74 m² +94% | 2017 |
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| 274, Osborne Road831 m away | 108 m² | 180 m² | +72 m² +67% | 2024 |
|---|
| 34, Boscombe Avenue904 m away | 82 m² | 153 m² | +71 m² +87% | 2025 |
|---|
| 41, Heath Park Road690 m away | 118 m² | 189 m² | +71 m² +60% | 2020 |
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| 24, Hazel Rise156 m away | 96 m² | 165 m² | +69 m² +72% | 2020 |
|---|
| 96, Harrow Drive593 m away | 138 m² | 206 m² | +68 m² +49% | 2024 |
|---|
| 97, Norman Road792 m away | 65 m² | 131 m² | +66 m² +102% | 2026 |
|---|
| 100, Cranham Road202 m away | 65 m² | 130 m² | +65 m² +100% | 2016 |
|---|
| 8, The Woodfines890 m away | 199 m² | 264 m² | +65 m² +33% | 2016 |
|---|
| 49, Malvern Road988 m away | 76 m² | 139 m² | +63 m² +83% | 2019 |
|---|
| 12, Harrow Drive957 m away | 108 m² | 171 m² | +63 m² +58% | 2015 |
|---|
| 2, Warrington Gardens476 m away | 73 m² | 135 m² | +62 m² +85% | 2026 |
|---|
| 235, Brentwood Road572 m away | 98 m² | 160 m² | +62 m² +63% | 2024 |
|---|
| 40, Percival Road338 m away | 45 m² | 106 m² | +61 m² +136% | 2023 |
|---|
| 88, Hyland Way583 m away | 87 m² | 148 m² | +61 m² +70% | 2023 |
|---|
| 94, Northumberland Avenue663 m away | 61 m² | 122 m² | +61 m² +100% | 2021 |
|---|
| 121, Bush Elms Road770 m away | 87 m² | 147 m² | +60 m² +69% | 2019 |
|---|
| 12, Slewins Lane310 m away | 77 m² | 137 m² | +60 m² +78% | 2014 |
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| 28, Wykeham Avenue670 m away | 102 m² | 161 m² | +59 m² +58% | 2023 |
|---|
| 8, Windsor Road732 m away | 73 m² | 130 m² | +57 m² +78% | 2023 |
|---|
| 56, Harrow Drive593 m away | 275 m² | 332 m² | +57 m² +21% | 2018 |
|---|
| 59, Elmhurst Drive633 m away | 98 m² | 155 m² | +57 m² +58% | 2015 |
|---|
| 1, Cromer Road933 m away | 89 m² | 145 m² | +56 m² +63% | 2024 |
|---|
| 102, Osborne Road342 m away | 84 m² | 140 m² | +56 m² +67% | 2021 |
|---|
| 1, Mellowes Road942 m away | 88 m² | 144 m² | +56 m² +64% | 2020 |
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| 34, Great Gardens Road116 m away | 66 m² | 121 m² | +55 m² +83% | 2017 |
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| 114, Hillview Avenue362 m away | 53 m² | 107 m² | +54 m² +102% | 2026 |
|---|
| 8, Rockingham Avenue501 m away | 139 m² | 193 m² | +54 m² +39% | 2020 |
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| 54, Brooklands Gardens303 m away | 72 m² | 125 m² | +53 m² +74% | 2025 |
|---|
| 100, Hillview Avenue558 m away | 135 m² | 188 m² | +53 m² +39% | 2022 |
|---|
| 5, Lytton Road316 m away | 85 m² | 138 m² | +53 m² +62% | 2019 |
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| 117, Norman Road792 m away | 53 m² | 105 m² | +52 m² +98% | 2021 |
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| 1, Boscombe Avenue765 m away | 78 m² | 129 m² | +51 m² +65% | 2023 |
|---|
| 270, Carlton Road873 m away | 80 m² | 131 m² | +51 m² +64% | 2021 |
|---|
| 28, Osborne Road441 m away | 105 m² | 156 m² | +51 m² +49% | 2019 |
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| 17, Rowan Walk992 m away | 126 m² | 177 m² | +51 m² +40% | 2019 |
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| 191, Northumberland Avenue840 m away | 122 m² | 172 m² | +50 m² +41% | 2026 |
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| 17, Eugene Close674 m away | 82 m² | 132 m² | +50 m² +61% | 2025 |
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| 38, Hillview Avenue792 m away | 91 m² | 141 m² | +50 m² +55% | 2024 |
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| 19, Hillview Avenue794 m away | 107 m² | 157 m² | +50 m² +47% | 2021 |
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| 111a, Hillview Avenue558 m away | 126 m² | 175 m² | +49 m² +39% | 2026 |
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| 73, Slewins Lane249 m away | 153 m² | 202 m² | +49 m² +32% | 2025 |
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| 49, Heath Park Road690 m away | 174 m² | 223 m² | +49 m² +28% | 2024 |
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| 52, Harrow Drive593 m away | 220 m² | 268 m² | +48 m² +22% | 2025 |
|---|
| 1, Catherine Road548 m away | 72 m² | 120 m² | +48 m² +67% | 2024 |
|---|
| 23, Harrow Drive921 m away | 139 m² | 187 m² | +48 m² +35% | 2012 |
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| 25, Manor Road886 m away | 157 m² | 204 m² | +47 m² +30% | 2021 |
|---|
| Flat 8, Waterwell Court, 3a, Manor Avenue460 m away | 52 m² | 98 m² | +46 m² +88% | 2026 |
|---|
| 185, Northumberland Avenue840 m away | 83 m² | 129 m² | +46 m² +55% | 2014 |
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| 67, Heath Park Road690 m away | 117 m² | 163 m² | +46 m² +39% | 2012 |
|---|
| 1, Kings Road990 m away | 73 m² | 118 m² | +45 m² +62% | 2025 |
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| 21, Lytton Road316 m away | 133 m² | 178 m² | +45 m² +34% | 2024 |
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| 252, Osborne Road831 m away | 81 m² | 126 m² | +45 m² +56% | 2024 |
|---|
| 46, Percival Road338 m away | 46 m² | 91 m² | +45 m² +98% | 2019 |
|---|
| 7, Slewins Lane310 m away | 158 m² | 202 m² | +44 m² +28% | 2020 |
|---|
| 119, Northumberland Avenue641 m away | 60 m² | 104 m² | +44 m² +73% | 2019 |
|---|
| 88, Cranham Road202 m away | 90 m² | 133 m² | +43 m² +48% | 2024 |
|---|
| 48, Southdown Road995 m away | 98 m² | 141 m² | +43 m² +44% | 2024 |
|---|
| 14, Walden Way658 m away | 207 m² | 249 m² | +42 m² +20% | 2024 |
|---|
| 53, Hazelmere Gardens150 m away | 127 m² | 169 m² | +42 m² +33% | 2022 |
|---|
| 8, Maybrick Road122 m away | 115 m² | 156 m² | +41 m² +36% | 2022 |
|---|
| 6, Thorncroft323 m away | 65 m² | 105 m² | +40 m² +62% | 2026 |
|---|
| 19, Heath Park Road830 m away | 144 m² | 184 m² | +40 m² +28% | 2024 |
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| 46, Squirrels Heath Lane931 m away | 112 m² | 152 m² | +40 m² +36% | 2022 |
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| 7, Cranham Road172 m away | 85 m² | 125 m² | +40 m² +47% | 2014 |
|---|
| 1, Margaret Close381 m away | 95 m² | 135 m² | +40 m² +42% | 2014 |
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| 130, Northumberland Avenue882 m away | 61 m² | 101 m² | +40 m² +66% | 2012 |
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| 166, Lyndhurst Drive715 m away | 95 m² | 134 m² | +39 m² +41% | 2026 |
|---|
| 3, Rowan Walk992 m away | 165 m² | 204 m² | +39 m² +24% | 2020 |
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| 7, Thorncroft323 m away | 65 m² | 103 m² | +38 m² +58% | 2026 |
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| 27, Slewins Lane310 m away | 88 m² | 126 m² | +38 m² +43% | 2024 |
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| 23, Rossall Close743 m away | 115 m² | 153 m² | +38 m² +33% | 2022 |
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| 62, Great Gardens Road107 m away | 72 m² | 110 m² | +38 m² +53% | 2021 |
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| 13, Warrington Gardens476 m away | 76 m² | 114 m² | +38 m² +50% | 2014 |
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| 18, Thorncroft323 m away | 98 m² | 135 m² | +37 m² +38% | 2024 |
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| 9, Brooklands Gardens339 m away | 100 m² | 137 m² | +37 m² +37% | 2016 |
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| A home on Salisbury Road338 m away | 32 m² | 68 m² | +36 m² +113% | 2026 |
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| 32, Boscombe Avenue765 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
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| 67, Cranham Road172 m away | 82 m² | 118 m² | +36 m² +44% | 2024 |
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| 105, Hyland Way693 m away | 92 m² | 128 m² | +36 m² +39% | 2024 |
|---|
| 4, Clifton Road995 m away | 79 m² | 115 m² | +36 m² +46% | 2023 |
|---|
| 222, Balgores Lane664 m away | 124 m² | 160 m² | +36 m² +29% | 2022 |
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| 5, Heath Park Road830 m away | 101 m² | 137 m² | +36 m² +36% | 2021 |
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| 34, Harrow Drive957 m away | 232 m² | 268 m² | +36 m² +16% | 2020 |
|---|
| 26, Mellowes Road942 m away | 88 m² | 124 m² | +36 m² +41% | 2019 |
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| 28, Whitethorn Gardens372 m away | 84 m² | 119 m² | +35 m² +42% | 2026 |
|---|
| 32, Hazel Rise156 m away | 68 m² | 103 m² | +35 m² +51% | 2021 |
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| 29, Thorncroft323 m away | 132 m² | 167 m² | +35 m² +27% | 2016 |
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| 7, Northdown Road972 m away | 105 m² | 139 m² | +34 m² +32% | 2025 |
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| 34, Brookside976 m away | 93 m² | 127 m² | +34 m² +37% | 2024 |
|---|
| 60, Cranham Road221 m away | 66 m² | 100 m² | +34 m² +52% | 2020 |
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| 11, Lewis Road434 m away | 85 m² | 118 m² | +33 m² +39% | 2026 |
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| 178, Northumberland Avenue882 m away | 68 m² | 101 m² | +33 m² +49% | 2026 |
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| 20, Pinecroft571 m away | 102 m² | 135 m² | +33 m² +32% | 2025 |
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| 51, Cromer Road933 m away | 103 m² | 136 m² | +33 m² +32% | 2025 |
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| 210, Brentwood Road640 m away | 82 m² | 115 m² | +33 m² +40% | 2024 |
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| 127, Osborne Road342 m away | 82 m² | 115 m² | +33 m² +40% | 2017 |
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| 46, Salisbury Road338 m away | 68 m² | 101 m² | +33 m² +49% | 2016 |
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| 22, Balmoral Road610 m away | 126 m² | 159 m² | +33 m² +26% | 2015 |
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| 54, Norman Road904 m away | 73 m² | 106 m² | +33 m² +45% | 2014 |
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| 465, Upper Brentwood Road899 m away | 87 m² | 120 m² | +33 m² +38% | 2013 |
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| 25a, Percival Road338 m away | 81 m² | 113 m² | +32 m² +40% | 2025 |
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| 12, Eugene Close674 m away | 78 m² | 109 m² | +31 m² +40% | 2025 |
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| 104, Osborne Road342 m away | 101 m² | 132 m² | +31 m² +31% | 2024 |
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| 32a, Northumberland Avenue461 m away | 113 m² | 144 m² | +31 m² +27% | 2023 |
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| 82, Haynes Road705 m away | 116 m² | 146 m² | +30 m² +26% | 2024 |
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| 5, Hyland Close883 m away | 78 m² | 108 m² | +30 m² +38% | 2024 |
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| 7, Percival Road338 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
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| 36, Haynes Road979 m away | 84 m² | 114 m² | +30 m² +36% | 2023 |
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| 92, Northumberland Avenue663 m away | 101 m² | 131 m² | +30 m² +30% | 2022 |
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| 26, Wykeham Avenue670 m away | 111 m² | 141 m² | +30 m² +27% | 2019 |
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| 8, Manor Crescent562 m away | 136 m² | 166 m² | +30 m² +22% | 2017 |
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| 120, Hillview Avenue362 m away | 77 m² | 106 m² | +29 m² +38% | 2025 |
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| 25a, Globe Road873 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 48, Harrow Drive593 m away | 109 m² | 138 m² | +29 m² +27% | 2024 |
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| 9, Margaret Road447 m away | 105 m² | 134 m² | +29 m² +28% | 2021 |
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| 60, Rockingham Avenue501 m away | 127 m² | 156 m² | +29 m² +23% | 2020 |
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| 22, Boscombe Avenue765 m away | 92 m² | 121 m² | +29 m² +32% | 2020 |
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| 83, Bush Elms Road770 m away | 96 m² | 125 m² | +29 m² +30% | 2018 |
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| 5, Fanshawe Crescent492 m away | 146 m² | 175 m² | +29 m² +20% | 2017 |
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| 56, Great Gardens Road107 m away | 98 m² | 127 m² | +29 m² +30% | 2014 |
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| 73, Bush Elms Road770 m away | 86 m² | 114 m² | +28 m² +33% | 2026 |
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| 49, Hazelmere Gardens150 m away | 83 m² | 111 m² | +28 m² +34% | 2021 |
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| 61, Balgores Lane958 m away | 157 m² | 185 m² | +28 m² +18% | 2019 |
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| 31a, Butts Green Road884 m away | 38 m² | 66 m² | +28 m² +74% | 2013 |
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| 56, Norman Road904 m away | 181 m² | 209 m² | +28 m² +15% | 2013 |
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| 234, Osborne Road831 m away | 99 m² | 126 m² | +27 m² +27% | 2024 |
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| 1, Ardleigh Green Road684 m away | 105 m² | 132 m² | +27 m² +26% | 2018 |
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| 6, Slewins Lane310 m away | 51 m² | 78 m² | +27 m² +53% | 2017 |
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| 8, Whitethorn Gardens372 m away | 87 m² | 114 m² | +27 m² +31% | 2017 |
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| 44, Cranham Road221 m away | 98 m² | 125 m² | +27 m² +28% | 2012 |
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| 50, Hillview Avenue792 m away | 84 m² | 111 m² | +27 m² +32% | 2011 |
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| 371, Brentwood Road298 m away | 87 m² | 114 m² | +27 m² +31% | 2010 |
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| 97, Carlton Road947 m away | 83 m² | 109 m² | +26 m² +31% | 2025 |
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| 36, Heath Park Road713 m away | 81 m² | 107 m² | +26 m² +32% | 2023 |
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| 109a, Hillview Avenue558 m away | 88 m² | 114 m² | +26 m² +30% | 2022 |
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| 41, Cavenham Gardens219 m away | 77 m² | 103 m² | +26 m² +34% | 2021 |
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| 48, Boscombe Avenue904 m away | 96 m² | 122 m² | +26 m² +27% | 2019 |
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| 76, Hillview Avenue792 m away | 68 m² | 94 m² | +26 m² +38% | 2016 |
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| 16, Eugene Close674 m away | 92 m² | 117 m² | +25 m² +27% | 2023 |
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| 1, Elms Close695 m away | 116 m² | 141 m² | +25 m² +22% | 2023 |
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| 50, Princes Road854 m away | 156 m² | 181 m² | +25 m² +16% | 2020 |
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| 240, Carlton Road873 m away | 97 m² | 122 m² | +25 m² +26% | 2017 |
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| 23, Lawrence Road431 m away | 158 m² | 183 m² | +25 m² +16% | 2015 |
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| 93, Norman Road792 m away | 63 m² | 87 m² | +24 m² +38% | 2026 |
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| 23a, Butts Green Road884 m away | 40 m² | 64 m² | +24 m² +60% | 2025 |
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| 181, Osborne Road531 m away | 90 m² | 114 m² | +24 m² +27% | 2024 |
|---|
| 102, Northumberland Avenue663 m away | 67 m² | 91 m² | +24 m² +36% | 2023 |
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| 52, Haynes Road979 m away | 89 m² | 113 m² | +24 m² +27% | 2023 |
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| 4, Manor Crescent562 m away | 152 m² | 176 m² | +24 m² +16% | 2022 |
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| 101, Heath Park Road457 m away | 118 m² | 141 m² | +23 m² +19% | 2023 |
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| 90, Osborne Road342 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
|---|
| 27a, Osborne Road397 m away | 143 m² | 166 m² | +23 m² +16% | 2019 |
|---|
| 6b, Slewins Lane310 m away | 51 m² | 74 m² | +23 m² +45% | 2018 |
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| 64, Southdown Road995 m away | 77 m² | 100 m² | +23 m² +30% | 2015 |
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| 1, Savoy Grove497 m away | 146 m² | 169 m² | +23 m² +16% | 2011 |
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| 80, Heath Park Road530 m away | 43 m² | 66 m² | +23 m² +53% | 2009 |
|---|
| 23, Clive Road375 m away | 88 m² | 110 m² | +22 m² +25% | 2025 |
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| 274, Carlton Road873 m away | 96 m² | 118 m² | +22 m² +23% | 2023 |
|---|
| 18, Mellowes Road942 m away | 88 m² | 110 m² | +22 m² +25% | 2018 |
|---|
| 132, Hillview Avenue362 m away | 45 m² | 67 m² | +22 m² +49% | 2013 |
|---|
| 4, Academy Fields Road595 m away | 113 m² | 135 m² | +22 m² +19% | 2013 |
|---|
| 114, Grosvenor Drive603 m away | 62 m² | 84 m² | +22 m² +35% | 2011 |
|---|
| 86a, Station Road787 m away | 75 m² | 96 m² | +21 m² +28% | 2024 |
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| 115, Northumberland Avenue641 m away | 58 m² | 79 m² | +21 m² +36% | 2023 |
|---|
| 216, Carlton Road873 m away | 98 m² | 119 m² | +21 m² +21% | 2023 |
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| 13, Kingsley Court349 m away | 27 m² | 48 m² | +21 m² +78% | 2021 |
|---|
| Flat 11, Masters Court, 3, Academy Fields Road608 m away | 46 m² | 67 m² | +21 m² +46% | 2021 |
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| 7, Regency Gardens823 m away | 134 m² | 155 m² | +21 m² +16% | 2021 |
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| 12, Pinecroft571 m away | 73 m² | 94 m² | +21 m² +29% | 2019 |
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| 330, Brentwood Road207 m away | 102 m² | 123 m² | +21 m² +21% | 2018 |
|---|
| 35, Maybrick Road0 m away | 96 m² | 116 m² | +20 m² +21% | 2026 |
|---|
| 8, Margaret Road447 m away | 87 m² | 107 m² | +20 m² +23% | 2025 |
|---|
| 36, Princes Road972 m away | 79 m² | 99 m² | +20 m² +25% | 2025 |
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