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 BR3 4RY
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 |
|---|---|---|---|---|
| 18, Reddons Road846 m away | 246 m² | 387 m² | +141 m² +57% | 2012 |
| 41, Beck Lane605 m away | 89 m² | 220 m² | +131 m² +147% | 2023 |
| 130, Maple Road890 m away | 100 m² | 210 m² | +110 m² +110% | 2014 |
| 35, Hayne Road859 m away | 199 m² | 305 m² | +106 m² +53% | 2014 |
| 37, Kings Hall Road694 m away | 187 m² | 280 m² | +93 m² +50% | 2021 |
| 67, Kings Hall Road696 m away | 124 m² | 215 m² | +91 m² +73% | 2020 |
| 27, Clock House Road507 m away | 64 m² | 152 m² | +88 m² +138% | 2024 |
| 41, Elmers End Road648 m away | 116 m² | 201 m² | +85 m² +73% | 2025 |
| 29, Maple Road872 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.
| 76 m² |
| 157 m² |
| +81 m² +107% |
| 2018 |
| 194, Beckenham Road341 m away | 337 m² | 418 m² | +81 m² +24% | 2017 |
|---|
| 45, Cromwell Road604 m away | 135 m² | 213 m² | +78 m² +58% | 2023 |
|---|
| 33, Sheringham Road933 m away | 82 m² | 160 m² | +78 m² +95% | 2019 |
|---|
| 57, Hampden Avenue666 m away | 98 m² | 170 m² | +72 m² +73% | 2025 |
|---|
| 191, Ravenscroft Road333 m away | 63 m² | 135 m² | +72 m² +114% | 2021 |
|---|
| 98, Avenue Road166 m away | 72 m² | 143 m² | +71 m² +99% | 2025 |
|---|
| 45, St James'S Avenue824 m away | 110 m² | 179 m² | +69 m² +63% | 2017 |
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| 26, Ravenscroft Road226 m away | 89 m² | 157 m² | +68 m² +76% | 2025 |
|---|
| 115, Croydon Road897 m away | 261 m² | 329 m² | +68 m² +26% | 2017 |
|---|
| 19, Chesham Crescent489 m away | 105 m² | 172 m² | +67 m² +64% | 2014 |
|---|
| 16, Westfield Road996 m away | 145 m² | 210 m² | +65 m² +45% | 2023 |
|---|
| 45, Kingsdale Road636 m away | 64 m² | 128 m² | +64 m² +100% | 2020 |
|---|
| 12, Cedars Road969 m away | 231 m² | 294 m² | +63 m² +27% | 2026 |
|---|
| 80, Ravenscroft Road226 m away | 102 m² | 164 m² | +62 m² +61% | 2020 |
|---|
| 48, Barnmead Road477 m away | 117 m² | 179 m² | +62 m² +53% | 2020 |
|---|
| 50, Birkbeck Road210 m away | 106 m² | 166 m² | +60 m² +57% | 2025 |
|---|
| 152, Blandford Road62 m away | 83 m² | 143 m² | +60 m² +72% | 2021 |
|---|
| 35, Hampden Road645 m away | 73 m² | 133 m² | +60 m² +82% | 2018 |
|---|
| 295, Beckenham Road315 m away | 125 m² | 185 m² | +60 m² +48% | 2016 |
|---|
| 58, Forster Road774 m away | 115 m² | 174 m² | +59 m² +51% | 2023 |
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| 5a, Villiers Road196 m away | 92 m² | 151 m² | +59 m² +64% | 2019 |
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| 22, Shrewsbury Road851 m away | 98 m² | 155 m² | +57 m² +58% | 2025 |
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| 263, Kent House Road897 m away | 131 m² | 187 m² | +56 m² +43% | 2024 |
|---|
| 214, Kent House Road944 m away | 120 m² | 175 m² | +55 m² +46% | 2026 |
|---|
| 62, Forster Road774 m away | 111 m² | 165 m² | +54 m² +49% | 2025 |
|---|
| 6, Kenilworth Road449 m away | 104 m² | 158 m² | +54 m² +52% | 2020 |
|---|
| 81, Mackenzie Road0 m away | 60 m² | 113 m² | +53 m² +88% | 2022 |
|---|
| 260, Kent House Road944 m away | 113 m² | 166 m² | +53 m² +47% | 2016 |
|---|
| 43, Chaffinch Road755 m away | 87 m² | 139 m² | +52 m² +60% | 2025 |
|---|
| 43, Reddons Road878 m away | 181 m² | 233 m² | +52 m² +29% | 2021 |
|---|
| 204, Clock House Road768 m away | 84 m² | 134 m² | +50 m² +60% | 2026 |
|---|
| 35, Forster Road688 m away | 101 m² | 151 m² | +50 m² +50% | 2025 |
|---|
| 5, Southey Street945 m away | 94 m² | 144 m² | +50 m² +53% | 2025 |
|---|
| 53, St James'S Avenue824 m away | 108 m² | 158 m² | +50 m² +46% | 2022 |
|---|
| 86, Barnmead Road494 m away | 97 m² | 146 m² | +49 m² +51% | 2022 |
|---|
| 106, Mackenzie Road45 m away | 76 m² | 125 m² | +49 m² +64% | 2016 |
|---|
| 100, Forster Road774 m away | 98 m² | 147 m² | +49 m² +50% | 2016 |
|---|
| 167, Ravenscroft Road333 m away | 97 m² | 145 m² | +48 m² +49% | 2026 |
|---|
| 37, Belmont Road864 m away | 86 m² | 134 m² | +48 m² +56% | 2024 |
|---|
| 5, Kenilworth Road449 m away | 98 m² | 146 m² | +48 m² +49% | 2022 |
|---|
| 87, Chaffinch Road755 m away | 91 m² | 139 m² | +48 m² +53% | 2022 |
|---|
| 34, Pelham Road453 m away | 104 m² | 152 m² | +48 m² +46% | 2021 |
|---|
| 70, Durban Road845 m away | 93 m² | 141 m² | +48 m² +52% | 2019 |
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| 13, Durban Road863 m away | 90 m² | 138 m² | +48 m² +53% | 2018 |
|---|
| 17, Villiers Road196 m away | 101 m² | 148 m² | +47 m² +47% | 2024 |
|---|
| 217, Clock House Road737 m away | 82 m² | 129 m² | +47 m² +57% | 2022 |
|---|
| 34, Hampden Road625 m away | 94 m² | 141 m² | +47 m² +50% | 2021 |
|---|
| 15, Whateley Road940 m away | 85 m² | 132 m² | +47 m² +55% | 2021 |
|---|
| 62, Tremaine Road987 m away | 138 m² | 185 m² | +47 m² +34% | 2019 |
|---|
| 131, Parish Lane944 m away | 75 m² | 122 m² | +47 m² +63% | 2017 |
|---|
| 31, Cromwell Road604 m away | 120 m² | 167 m² | +47 m² +39% | 2016 |
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| 91, Blandford Road94 m away | 72 m² | 118 m² | +46 m² +64% | 2026 |
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| 90, Durban Road845 m away | 90 m² | 136 m² | +46 m² +51% | 2025 |
|---|
| 76, Kings Hall Road605 m away | 203 m² | 248 m² | +45 m² +22% | 2026 |
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| 386, Blandford Road487 m away | 71 m² | 116 m² | +45 m² +63% | 2022 |
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| 311, Blandford Road549 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
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| 57, Belmont Road864 m away | 133 m² | 177 m² | +44 m² +33% | 2025 |
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| 32, Hampden Road625 m away | 95 m² | 139 m² | +44 m² +46% | 2022 |
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| 5, Dorset Road745 m away | 104 m² | 148 m² | +44 m² +42% | 2022 |
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| 250, Blandford Road172 m away | 66 m² | 109 m² | +43 m² +65% | 2025 |
|---|
| 13, Gwydor Road863 m away | 114 m² | 157 m² | +43 m² +38% | 2023 |
|---|
| 29, Ash Grove604 m away | 85 m² | 128 m² | +43 m² +51% | 2022 |
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| 155, Churchfields Road273 m away | 84 m² | 126 m² | +42 m² +50% | 2023 |
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| 90, Belmont Road724 m away | 74 m² | 116 m² | +42 m² +57% | 2023 |
|---|
| 116, Mackenzie Road197 m away | 104 m² | 146 m² | +42 m² +40% | 2022 |
|---|
| 33, Kenilworth Road449 m away | 91 m² | 133 m² | +42 m² +46% | 2020 |
|---|
| 18, Green Lane790 m away | 49 m² | 91 m² | +42 m² +86% | 2016 |
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| 65, Kendall Road373 m away | 82 m² | 123 m² | +41 m² +50% | 2026 |
|---|
| 48, Chesham Road388 m away | 121 m² | 162 m² | +41 m² +34% | 2025 |
|---|
| 235, Birkbeck Road542 m away | 64 m² | 105 m² | +41 m² +64% | 2025 |
|---|
| 61, Forster Road798 m away | 86 m² | 127 m² | +41 m² +48% | 2024 |
|---|
| 12, Cromwell Road810 m away | 99 m² | 140 m² | +41 m² +41% | 2024 |
|---|
| 30, Felmingham Road789 m away | 72 m² | 113 m² | +41 m² +57% | 2023 |
|---|
| 42, Clock House Road546 m away | 139 m² | 180 m² | +41 m² +29% | 2020 |
|---|
| 7, Forster Road688 m away | 121 m² | 161 m² | +40 m² +33% | 2026 |
|---|
| 36, Pelham Road453 m away | 108 m² | 148 m² | +40 m² +37% | 2025 |
|---|
| 25, Clement Road303 m away | 82 m² | 122 m² | +40 m² +49% | 2023 |
|---|
| 43, Durban Road863 m away | 89 m² | 129 m² | +40 m² +45% | 2017 |
|---|
| 84, Clock House Road517 m away | 123 m² | 162 m² | +39 m² +32% | 2026 |
|---|
| 30, Colesburg Road851 m away | 86 m² | 125 m² | +39 m² +45% | 2026 |
|---|
| 85, Ravenscroft Road203 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
|---|
| 26, Barnmead Road477 m away | 194 m² | 233 m² | +39 m² +20% | 2021 |
|---|
| 285, Beckenham Road315 m away | 59 m² | 97 m² | +38 m² +64% | 2026 |
|---|
| 134, Blandford Road62 m away | 110 m² | 148 m² | +38 m² +35% | 2023 |
|---|
| 44, Durban Road845 m away | 91 m² | 129 m² | +38 m² +42% | 2020 |
|---|
| 181, High Street646 m away | 32 m² | 70 m² | +38 m² +119% | 2019 |
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| 130, Mackenzie Road197 m away | 95 m² | 132 m² | +37 m² +39% | 2026 |
|---|
| 174, Beckenham Road341 m away | 178 m² | 215 m² | +37 m² +21% | 2026 |
|---|
| 51, Belmont Road864 m away | 99 m² | 136 m² | +37 m² +37% | 2026 |
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| 301, Clock House Road910 m away | 67 m² | 104 m² | +37 m² +55% | 2026 |
|---|
| 2, Kendall Road346 m away | 125 m² | 162 m² | +37 m² +30% | 2024 |
|---|
| 37, Kenilworth Road449 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| 40, Barnmead Road477 m away | 164 m² | 200 m² | +36 m² +22% | 2023 |
|---|
| 76, Blandford Road224 m away | 86 m² | 122 m² | +36 m² +42% | 2021 |
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| 49, Hampden Road645 m away | 93 m² | 129 m² | +36 m² +39% | 2019 |
|---|
| 6, Wimborne Way975 m away | 88 m² | 124 m² | +36 m² +41% | 2019 |
|---|
| 1, Birkbeck Road197 m away | 45 m² | 81 m² | +36 m² +80% | 2018 |
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| 50, Allen Road344 m away | 90 m² | 125 m² | +35 m² +39% | 2025 |
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| 129, Croydon Road897 m away | 227 m² | 262 m² | +35 m² +15% | 2024 |
|---|
| 73, Ravenscroft Road203 m away | 101 m² | 136 m² | +35 m² +35% | 2022 |
|---|
| 120, Elmers End Road666 m away | 106 m² | 141 m² | +35 m² +33% | 2022 |
|---|
| 68, Durban Road845 m away | 107 m² | 142 m² | +35 m² +33% | 2022 |
|---|
| 7, Blandford Avenue220 m away | 84 m² | 119 m² | +35 m² +42% | 2017 |
|---|
| 28, Colesburg Road851 m away | 91 m² | 126 m² | +35 m² +38% | 2017 |
|---|
| 2, Wimborne Way975 m away | 91 m² | 126 m² | +35 m² +38% | 2017 |
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| 277, Beckenham Road315 m away | 103 m² | 138 m² | +35 m² +34% | 2014 |
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| 16, Elmers End Road743 m away | 124 m² | 158 m² | +34 m² +27% | 2026 |
|---|
| 132, Birkbeck Road306 m away | 117 m² | 151 m² | +34 m² +29% | 2024 |
|---|
| Inchbare, Maple Road964 m away | 34 m² | 68 m² | +34 m² +100% | 2023 |
|---|
| 55, Wordsworth Road927 m away | 89 m² | 123 m² | +34 m² +38% | 2021 |
|---|
| 18, Hampden Avenue662 m away | 100 m² | 134 m² | +34 m² +34% | 2020 |
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| 172, Birkbeck Road306 m away | 84 m² | 118 m² | +34 m² +40% | 2019 |
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| 119, Mackenzie Road182 m away | 110 m² | 144 m² | +34 m² +31% | 2018 |
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| 13, Stodart Road758 m away | 131 m² | 165 m² | +34 m² +26% | 2017 |
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| 17, Padua Road735 m away | 61 m² | 95 m² | +34 m² +56% | 2016 |
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| 16, Padua Road735 m away | 119 m² | 152 m² | +33 m² +28% | 2026 |
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| 3, Acacia Road900 m away | 67 m² | 100 m² | +33 m² +49% | 2024 |
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| 116, Blandford Road62 m away | 85 m² | 118 m² | +33 m² +39% | 2023 |
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| 19, Eastwell Close662 m away | 90 m² | 123 m² | +33 m² +37% | 2021 |
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| 186, Maple Road946 m away | 53 m² | 86 m² | +33 m² +62% | 2020 |
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| 38, Birkbeck Road210 m away | 99 m² | 131 m² | +32 m² +32% | 2026 |
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| 63, Chaffinch Road755 m away | 90 m² | 122 m² | +32 m² +36% | 2025 |
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| 28, Bourdon Road814 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
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| 29, Pelham Road486 m away | 102 m² | 134 m² | +32 m² +31% | 2022 |
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| 28, Oak Grove Road645 m away | 80 m² | 112 m² | +32 m² +40% | 2021 |
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| 186, Clock House Road671 m away | 84 m² | 116 m² | +32 m² +38% | 2019 |
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| 5, Piquet Road713 m away | 118 m² | 150 m² | +32 m² +27% | 2018 |
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| 16, Blandford Road224 m away | 95 m² | 127 m² | +32 m² +34% | 2015 |
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| 62, Barnmead Road477 m away | 120 m² | 151 m² | +31 m² +26% | 2026 |
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| 31, Torr Road722 m away | 86 m² | 117 m² | +31 m² +36% | 2023 |
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| 50a, Croydon Road649 m away | 69 m² | 100 m² | +31 m² +45% | 2021 |
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| 275, Clock House Road910 m away | 84 m² | 115 m² | +31 m² +37% | 2020 |
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| Flat 7, Clock House Court, Clock House Road572 m away | 39 m² | 70 m² | +31 m² +79% | 2019 |
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| 40, Stodart Road758 m away | 103 m² | 134 m² | +31 m² +30% | 2019 |
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| 72a, Samos Road881 m away | 79 m² | 110 m² | +31 m² +39% | 2019 |
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| 22, Hampden Avenue662 m away | 103 m² | 133 m² | +30 m² +29% | 2026 |
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| 46, Blandford Road224 m away | 98 m² | 128 m² | +30 m² +31% | 2025 |
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| 94, Forster Road774 m away | 133 m² | 163 m² | +30 m² +23% | 2024 |
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| 41, Arrol Road547 m away | 75 m² | 105 m² | +30 m² +40% | 2022 |
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| 17, Durban Road863 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
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| 60, Rowden Road749 m away | 106 m² | 136 m² | +30 m² +28% | 2018 |
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| 3, Durban Road863 m away | 80 m² | 110 m² | +30 m² +38% | 2017 |
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| 15, Green Lane790 m away | 111 m² | 141 m² | +30 m² +27% | 2015 |
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| 13, Kings Hall Road694 m away | 168 m² | 197 m² | +29 m² +17% | 2024 |
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| 150, Beckenham Road341 m away | 178 m² | 207 m² | +29 m² +16% | 2021 |
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| 170, Birkbeck Road306 m away | 86 m² | 115 m² | +29 m² +34% | 2020 |
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| 49, Clevedon Road395 m away | 107 m² | 136 m² | +29 m² +27% | 2018 |
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| 1a, Cedars Road947 m away | 109 m² | 138 m² | +29 m² +27% | 2018 |
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| 14, Durban Road845 m away | 101 m² | 130 m² | +29 m² +29% | 2017 |
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| 109, Elmers End Road626 m away | 51 m² | 79 m² | +28 m² +55% | 2023 |
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| 265a, Beckenham Road315 m away | 74 m² | 102 m² | +28 m² +38% | 2021 |
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| 27, Hampden Road645 m away | 93 m² | 121 m² | +28 m² +30% | 2019 |
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| 28, Green Lane753 m away | 88 m² | 116 m² | +28 m² +32% | 2015 |
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| 51, Durban Road863 m away | 88 m² | 116 m² | +28 m² +32% | 2010 |
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| 123, Ravenscroft Road333 m away | 85 m² | 112 m² | +27 m² +32% | 2026 |
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| 70, Wordsworth Road898 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
|---|
| 4a, Tremaine Road987 m away | 53 m² | 80 m² | +27 m² +51% | 2023 |
|---|
| 26, Churchfields Road324 m away | 86 m² | 113 m² | +27 m² +31% | 2022 |
|---|
| 50, Barnmead Road477 m away | 150 m² | 177 m² | +27 m² +18% | 2021 |
|---|
| 105, Avenue Road149 m away | 71 m² | 98 m² | +27 m² +38% | 2020 |
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| 23, Colesburg Road851 m away | 81 m² | 108 m² | +27 m² +33% | 2020 |
|---|
| 87, Clock House Road486 m away | 124 m² | 151 m² | +27 m² +22% | 2019 |
|---|
| 76, Ravenscroft Road226 m away | 114 m² | 141 m² | +27 m² +24% | 2017 |
|---|
| 94, Ravenscroft Road226 m away | 113 m² | 140 m² | +27 m² +24% | 2017 |
|---|
| Flat 5, 101a, Parish Lane749 m away | 36 m² | 62 m² | +26 m² +72% | 2025 |
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| 34, Kings Hall Road658 m away | 114 m² | 140 m² | +26 m² +23% | 2023 |
|---|
| 18, Acacia Road900 m away | 61 m² | 87 m² | +26 m² +43% | 2023 |
|---|
| 23, Cottingham Road704 m away | 78 m² | 104 m² | +26 m² +33% | 2022 |
|---|
| 166, Birkbeck Road306 m away | 87 m² | 113 m² | +26 m² +30% | 2020 |
|---|
| Flat 6, Strood House, Evelina Road789 m away | 19 m² | 45 m² | +26 m² +137% | 2020 |
|---|
| 193, Birkbeck Road350 m away | 94 m² | 119 m² | +25 m² +27% | 2026 |
|---|
| 1, Colesburg Road851 m away | 98 m² | 123 m² | +25 m² +26% | 2026 |
|---|
| 14, Villiers Road196 m away | 73 m² | 98 m² | +25 m² +34% | 2024 |
|---|
| 4, Hampden Road625 m away | 131 m² | 156 m² | +25 m² +19% | 2023 |
|---|
| 124, Blandford Road62 m away | 74 m² | 99 m² | +25 m² +34% | 2020 |
|---|
| 22, Green Lane790 m away | 42 m² | 67 m² | +25 m² +60% | 2020 |
|---|
| 29, Chesham Road388 m away | 55 m² | 80 m² | +25 m² +45% | 2019 |
|---|
| 39, Durban Road863 m away | 89 m² | 114 m² | +25 m² +28% | 2019 |
|---|
| 8, Green Lane790 m away | 83 m² | 108 m² | +25 m² +30% | 2009 |
|---|
| 76, Mackenzie Road45 m away | 86 m² | 110 m² | +24 m² +28% | 2025 |
|---|
| 40, Kenilworth Road449 m away | 126 m² | 150 m² | +24 m² +19% | 2024 |
|---|
| 59, Cromwell Road604 m away | 82 m² | 106 m² | +24 m² +29% | 2023 |
|---|
| 30, Birkbeck Road210 m away | 89 m² | 113 m² | +24 m² +27% | 2022 |
|---|
| Flat 4, 180, Birkbeck Road306 m away | 49 m² | 73 m² | +24 m² +49% | 2022 |
|---|
| 15, Wimborne Way975 m away | 54 m² | 78 m² | +24 m² +44% | 2019 |
|---|
| 19, Chaffinch Road572 m away | 93 m² | 117 m² | +24 m² +26% | 2018 |
|---|
| 18, Piquet Road744 m away | 106 m² | 130 m² | +24 m² +23% | 2018 |
|---|
| Flat 5, 26, Chestnut Grove979 m away | 45 m² | 69 m² | +24 m² +53% | 2017 |
|---|
| 25, Whateley Road940 m away | 90 m² | 113 m² | +23 m² +26% | 2026 |
|---|
| 152, Maple Road890 m away | 52 m² | 75 m² | +23 m² +44% | 2025 |
|---|
| 76, Birkbeck Road123 m away | 92 m² | 115 m² | +23 m² +25% | 2022 |
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