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 4LL
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 |
|---|---|---|---|---|
| 1a, Whitmore Road519 m away | 144 m² | 292 m² | +148 m² +103% | 2022 |
| 41, Beck Lane652 m away | 89 m² | 220 m² | +131 m² +147% | 2023 |
| 35, Hayne Road543 m away | 199 m² | 305 m² | +106 m² +53% | 2014 |
| 46, Churchfields Road523 m away | 79 m² | 173 m² | +94 m² +119% | 2010 |
| 67, Kings Hall Road928 m away | 124 m² | 215 m² | +91 m² +73% | 2020 |
| 27, Clock House Road364 m away | 64 m² | 152 m² | +88 m² +138% | 2024 |
| Stanbrook, Hayne Road923 m away | 90 m² | 171 m² | +81 m² +90% | 2019 |
| 194, Beckenham Road795 m away | 337 m² | 418 m² | +81 m² +24% | 2017 |
| 45, Cromwell Road0 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.
| 135 m² |
| 213 m² |
| +78 m² +58% |
| 2023 |
| 50, Gordon Road605 m away | 93 m² | 169 m² | +76 m² +82% | 2024 |
|---|
| 57, Hampden Avenue243 m away | 98 m² | 170 m² | +72 m² +73% | 2025 |
|---|
| 191, Ravenscroft Road844 m away | 63 m² | 135 m² | +72 m² +114% | 2021 |
|---|
| 98, Avenue Road738 m away | 72 m² | 143 m² | +71 m² +99% | 2025 |
|---|
| 13, Whitmore Road519 m away | 102 m² | 173 m² | +71 m² +70% | 2022 |
|---|
| 33, The Drive991 m away | 98 m² | 167 m² | +69 m² +70% | 2021 |
|---|
| 45, St James'S Avenue319 m away | 110 m² | 179 m² | +69 m² +63% | 2017 |
|---|
| 26, Ravenscroft Road810 m away | 89 m² | 157 m² | +68 m² +76% | 2025 |
|---|
| 16, Forest Ridge976 m away | 116 m² | 183 m² | +67 m² +58% | 2015 |
|---|
| 16, Westfield Road657 m away | 145 m² | 210 m² | +65 m² +45% | 2023 |
|---|
| 12, Cedars Road571 m away | 231 m² | 294 m² | +63 m² +27% | 2026 |
|---|
| 3, The Drive991 m away | 87 m² | 150 m² | +63 m² +72% | 2022 |
|---|
| 102, Village Way847 m away | 120 m² | 183 m² | +63 m² +53% | 2020 |
|---|
| 61, Whitmore Road695 m away | 160 m² | 223 m² | +63 m² +39% | 2016 |
|---|
| 80, Ravenscroft Road810 m away | 102 m² | 164 m² | +62 m² +61% | 2020 |
|---|
| 48, Barnmead Road823 m away | 117 m² | 179 m² | +62 m² +53% | 2020 |
|---|
| 50, Birkbeck Road736 m away | 106 m² | 166 m² | +60 m² +57% | 2025 |
|---|
| 152, Blandford Road542 m away | 83 m² | 143 m² | +60 m² +72% | 2021 |
|---|
| 35, Hampden Road130 m away | 73 m² | 133 m² | +60 m² +82% | 2018 |
|---|
| 295, Beckenham Road811 m away | 125 m² | 185 m² | +60 m² +48% | 2016 |
|---|
| 53, Groveland Road680 m away | 100 m² | 159 m² | +59 m² +59% | 2025 |
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| 58, Forster Road345 m away | 115 m² | 174 m² | +59 m² +51% | 2023 |
|---|
| 5a, Villiers Road518 m away | 92 m² | 151 m² | +59 m² +64% | 2019 |
|---|
| 22, Shrewsbury Road247 m away | 98 m² | 155 m² | +57 m² +58% | 2025 |
|---|
| 55, Birchwood Avenue744 m away | 92 m² | 148 m² | +56 m² +61% | 2023 |
|---|
| 22, Glanfield Road928 m away | 92 m² | 148 m² | +56 m² +61% | 2022 |
|---|
| 31, Whitmore Road519 m away | 196 m² | 252 m² | +56 m² +29% | 2019 |
|---|
| 11, The Drive991 m away | 96 m² | 151 m² | +55 m² +57% | 2024 |
|---|
| 1, Groveland Road505 m away | 108 m² | 163 m² | +55 m² +51% | 2019 |
|---|
| 62, Forster Road345 m away | 111 m² | 165 m² | +54 m² +49% | 2025 |
|---|
| 81, Mackenzie Road604 m away | 60 m² | 113 m² | +53 m² +88% | 2022 |
|---|
| 43, Chaffinch Road760 m away | 87 m² | 139 m² | +52 m² +60% | 2025 |
|---|
| 88, Durban Road419 m away | 89 m² | 140 m² | +51 m² +57% | 2026 |
|---|
| 204, Clock House Road391 m away | 84 m² | 134 m² | +50 m² +60% | 2026 |
|---|
| 35, Forster Road137 m away | 101 m² | 151 m² | +50 m² +50% | 2025 |
|---|
| 53, St James'S Avenue319 m away | 108 m² | 158 m² | +50 m² +46% | 2022 |
|---|
| 86, Barnmead Road956 m away | 97 m² | 146 m² | +49 m² +51% | 2022 |
|---|
| 100, Forster Road345 m away | 98 m² | 147 m² | +49 m² +50% | 2016 |
|---|
| 106, Mackenzie Road641 m away | 76 m² | 125 m² | +49 m² +64% | 2016 |
|---|
| 167, Ravenscroft Road844 m away | 97 m² | 145 m² | +48 m² +49% | 2026 |
|---|
| 37, Belmont Road357 m away | 86 m² | 134 m² | +48 m² +56% | 2024 |
|---|
| 87, Chaffinch Road760 m away | 91 m² | 139 m² | +48 m² +53% | 2022 |
|---|
| 34, Pelham Road886 m away | 104 m² | 152 m² | +48 m² +46% | 2021 |
|---|
| 13, Eden Park Avenue583 m away | 86 m² | 134 m² | +48 m² +56% | 2020 |
|---|
| 70, Durban Road419 m away | 93 m² | 141 m² | +48 m² +52% | 2019 |
|---|
| 13, Durban Road411 m away | 90 m² | 138 m² | +48 m² +53% | 2018 |
|---|
| 17, Villiers Road518 m away | 101 m² | 148 m² | +47 m² +47% | 2024 |
|---|
| 217, Clock House Road391 m away | 82 m² | 129 m² | +47 m² +57% | 2022 |
|---|
| 34, Hampden Road93 m away | 94 m² | 141 m² | +47 m² +50% | 2021 |
|---|
| 31, Cromwell Road0 m away | 120 m² | 167 m² | +47 m² +39% | 2016 |
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| 91, Blandford Road510 m away | 72 m² | 118 m² | +46 m² +64% | 2026 |
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| 90, Durban Road419 m away | 90 m² | 136 m² | +46 m² +51% | 2025 |
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| 55, Cherry Tree Walk770 m away | 87 m² | 133 m² | +46 m² +53% | 2025 |
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| 145a, Croydon Road563 m away | 35 m² | 81 m² | +46 m² +131% | 2024 |
|---|
| 32, Birchwood Avenue707 m away | 94 m² | 140 m² | +46 m² +49% | 2022 |
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| 76, Kings Hall Road904 m away | 203 m² | 248 m² | +45 m² +22% | 2026 |
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| 386, Blandford Road768 m away | 71 m² | 116 m² | +45 m² +63% | 2022 |
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| 311, Blandford Road791 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
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| 57, Belmont Road357 m away | 133 m² | 177 m² | +44 m² +33% | 2025 |
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| 32, Hampden Road93 m away | 95 m² | 139 m² | +44 m² +46% | 2022 |
|---|
| 5, Dorset Road646 m away | 104 m² | 148 m² | +44 m² +42% | 2022 |
|---|
| 250, Blandford Road589 m away | 66 m² | 109 m² | +43 m² +65% | 2025 |
|---|
| 13, Gwydor Road614 m away | 114 m² | 157 m² | +43 m² +38% | 2023 |
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| 48, Bramerton Road732 m away | 113 m² | 156 m² | +43 m² +38% | 2023 |
|---|
| 90, Belmont Road274 m away | 74 m² | 116 m² | +42 m² +57% | 2023 |
|---|
| 155, Churchfields Road361 m away | 84 m² | 126 m² | +42 m² +50% | 2023 |
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| 116, Mackenzie Road689 m away | 104 m² | 146 m² | +42 m² +40% | 2022 |
|---|
| 65, Kendall Road286 m away | 82 m² | 123 m² | +41 m² +50% | 2026 |
|---|
| 235, Birkbeck Road910 m away | 64 m² | 105 m² | +41 m² +64% | 2025 |
|---|
| 48, Chesham Road946 m away | 121 m² | 162 m² | +41 m² +34% | 2025 |
|---|
| 12, Cromwell Road220 m away | 99 m² | 140 m² | +41 m² +41% | 2024 |
|---|
| 61, Forster Road341 m away | 86 m² | 127 m² | +41 m² +48% | 2024 |
|---|
| 65, Goddard Road935 m away | 82 m² | 123 m² | +41 m² +50% | 2023 |
|---|
| 13, Cherry Tree Walk827 m away | 86 m² | 127 m² | +41 m² +48% | 2022 |
|---|
| 42, Clock House Road383 m away | 139 m² | 180 m² | +41 m² +29% | 2020 |
|---|
| 7, Forster Road137 m away | 121 m² | 161 m² | +40 m² +33% | 2026 |
|---|
| 36, Pelham Road886 m away | 108 m² | 148 m² | +40 m² +37% | 2025 |
|---|
| 25, Clement Road493 m away | 82 m² | 122 m² | +40 m² +49% | 2023 |
|---|
| 43, Durban Road411 m away | 89 m² | 129 m² | +40 m² +45% | 2017 |
|---|
| 84, Clock House Road138 m away | 123 m² | 162 m² | +39 m² +32% | 2026 |
|---|
| 30, Colesburg Road293 m away | 86 m² | 125 m² | +39 m² +45% | 2026 |
|---|
| 85, Ravenscroft Road775 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
|---|
| 26, Barnmead Road823 m away | 194 m² | 233 m² | +39 m² +20% | 2021 |
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| 285, Beckenham Road811 m away | 59 m² | 97 m² | +38 m² +64% | 2026 |
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| 134, Blandford Road542 m away | 110 m² | 148 m² | +38 m² +35% | 2023 |
|---|
| 44, Durban Road419 m away | 91 m² | 129 m² | +38 m² +42% | 2020 |
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| 51, Belmont Road357 m away | 99 m² | 136 m² | +37 m² +37% | 2026 |
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| 301, Clock House Road505 m away | 67 m² | 104 m² | +37 m² +55% | 2026 |
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| 130, Mackenzie Road689 m away | 95 m² | 132 m² | +37 m² +39% | 2026 |
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| 174, Beckenham Road795 m away | 178 m² | 215 m² | +37 m² +21% | 2026 |
|---|
| 2, Kendall Road306 m away | 125 m² | 162 m² | +37 m² +30% | 2024 |
|---|
| 11, Shaftesbury Road697 m away | 100 m² | 137 m² | +37 m² +37% | 2022 |
|---|
| 40, Barnmead Road823 m away | 164 m² | 200 m² | +36 m² +22% | 2023 |
|---|
| 76, Blandford Road561 m away | 86 m² | 122 m² | +36 m² +42% | 2021 |
|---|
| 49, Hampden Road130 m away | 93 m² | 129 m² | +36 m² +39% | 2019 |
|---|
| 6, Wimborne Way590 m away | 88 m² | 124 m² | +36 m² +41% | 2019 |
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| 19, Derrick Road628 m away | 94 m² | 130 m² | +36 m² +38% | 2016 |
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| 52, Broomfield Road490 m away | 99 m² | 134 m² | +35 m² +35% | 2025 |
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| 50, Allen Road633 m away | 90 m² | 125 m² | +35 m² +39% | 2025 |
|---|
| 68, Durban Road419 m away | 107 m² | 142 m² | +35 m² +33% | 2022 |
|---|
| 73, Ravenscroft Road775 m away | 101 m² | 136 m² | +35 m² +35% | 2022 |
|---|
| 28, Colesburg Road293 m away | 91 m² | 126 m² | +35 m² +38% | 2017 |
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| 7, Blandford Avenue475 m away | 84 m² | 119 m² | +35 m² +42% | 2017 |
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| 2, Wimborne Way590 m away | 91 m² | 126 m² | +35 m² +38% | 2017 |
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| 277, Beckenham Road811 m away | 103 m² | 138 m² | +35 m² +34% | 2014 |
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| 50, Glanfield Road928 m away | 95 m² | 129 m² | +34 m² +36% | 2025 |
|---|
| 132, Birkbeck Road798 m away | 117 m² | 151 m² | +34 m² +29% | 2024 |
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| 84, Bramerton Road732 m away | 106 m² | 140 m² | +34 m² +32% | 2022 |
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| 24, Faversham Road741 m away | 82 m² | 116 m² | +34 m² +41% | 2021 |
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| 18, Hampden Avenue180 m away | 100 m² | 134 m² | +34 m² +34% | 2020 |
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| 172, Birkbeck Road798 m away | 84 m² | 118 m² | +34 m² +40% | 2019 |
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| 119, Mackenzie Road653 m away | 110 m² | 144 m² | +34 m² +31% | 2018 |
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| 3, Acacia Road331 m away | 67 m² | 100 m² | +33 m² +49% | 2024 |
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| 116, Blandford Road542 m away | 85 m² | 118 m² | +33 m² +39% | 2023 |
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| 19, Eastwell Close996 m away | 90 m² | 123 m² | +33 m² +37% | 2021 |
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| 7, Raymond Road848 m away | 104 m² | 137 m² | +33 m² +32% | 2017 |
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| 38, Birkbeck Road736 m away | 99 m² | 131 m² | +32 m² +32% | 2026 |
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| 63, Chaffinch Road760 m away | 90 m² | 122 m² | +32 m² +36% | 2025 |
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| 29, Pelham Road902 m away | 102 m² | 134 m² | +32 m² +31% | 2022 |
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| 186, Clock House Road251 m away | 84 m² | 116 m² | +32 m² +38% | 2019 |
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| 85, Groveland Road680 m away | 84 m² | 116 m² | +32 m² +38% | 2019 |
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| 16, Blandford Road561 m away | 95 m² | 127 m² | +32 m² +34% | 2015 |
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| 5, Birchwood Avenue744 m away | 107 m² | 138 m² | +31 m² +29% | 2026 |
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| 62, Barnmead Road823 m away | 120 m² | 151 m² | +31 m² +26% | 2026 |
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| 275, Clock House Road505 m away | 84 m² | 115 m² | +31 m² +37% | 2020 |
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| Flat 7, Clock House Court, Clock House Road453 m away | 39 m² | 70 m² | +31 m² +79% | 2019 |
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| 1, Birkbeck Road704 m away | 50 m² | 81 m² | +31 m² +62% | 2018 |
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| 22, Hampden Avenue180 m away | 103 m² | 133 m² | +30 m² +29% | 2026 |
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| 46, Blandford Road561 m away | 98 m² | 128 m² | +30 m² +31% | 2025 |
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| 94, Forster Road345 m away | 133 m² | 163 m² | +30 m² +23% | 2024 |
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| 41, Arrol Road753 m away | 75 m² | 105 m² | +30 m² +40% | 2022 |
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| 17, Durban Road411 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
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| 60, Rowden Road789 m away | 106 m² | 136 m² | +30 m² +28% | 2018 |
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| 3, Durban Road411 m away | 80 m² | 110 m² | +30 m² +38% | 2017 |
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| 13, Bramerton Road516 m away | 112 m² | 142 m² | +30 m² +27% | 2014 |
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| 150, Beckenham Road795 m away | 178 m² | 207 m² | +29 m² +16% | 2021 |
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| 170, Birkbeck Road798 m away | 86 m² | 115 m² | +29 m² +34% | 2020 |
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| 1a, Cedars Road528 m away | 109 m² | 138 m² | +29 m² +27% | 2018 |
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| 49, Clevedon Road979 m away | 107 m² | 136 m² | +29 m² +27% | 2018 |
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| 14, Durban Road419 m away | 101 m² | 130 m² | +29 m² +29% | 2017 |
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| 12, Bramerton Road511 m away | 121 m² | 149 m² | +28 m² +23% | 2025 |
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| 54, Goddard Road987 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 265a, Beckenham Road811 m away | 74 m² | 102 m² | +28 m² +38% | 2021 |
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| 27, Hampden Road130 m away | 93 m² | 121 m² | +28 m² +30% | 2019 |
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| 51, Durban Road411 m away | 88 m² | 116 m² | +28 m² +32% | 2010 |
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| 123, Ravenscroft Road844 m away | 85 m² | 112 m² | +27 m² +32% | 2026 |
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| 26, Churchfields Road523 m away | 86 m² | 113 m² | +27 m² +31% | 2022 |
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| 50, Barnmead Road823 m away | 150 m² | 177 m² | +27 m² +18% | 2021 |
|---|
| 23, Colesburg Road293 m away | 81 m² | 108 m² | +27 m² +33% | 2020 |
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| 6, Upper Elmers End Road731 m away | 85 m² | 112 m² | +27 m² +32% | 2020 |
|---|
| 105, Avenue Road741 m away | 71 m² | 98 m² | +27 m² +38% | 2020 |
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| 87, Clock House Road156 m away | 124 m² | 151 m² | +27 m² +22% | 2019 |
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| 2, Lathkill Court, Hayne Road890 m away | 43 m² | 70 m² | +27 m² +63% | 2019 |
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| 76, Ravenscroft Road810 m away | 114 m² | 141 m² | +27 m² +24% | 2017 |
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| 94, Ravenscroft Road810 m away | 113 m² | 140 m² | +27 m² +24% | 2017 |
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| 17, Shaftesbury Road697 m away | 95 m² | 121 m² | +26 m² +27% | 2026 |
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| 49, Birchwood Avenue744 m away | 83 m² | 109 m² | +26 m² +31% | 2026 |
|---|
| 22, Vicarage Drive998 m away | 90 m² | 116 m² | +26 m² +29% | 2024 |
|---|
| 18, Acacia Road331 m away | 61 m² | 87 m² | +26 m² +43% | 2023 |
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| 166, Birkbeck Road798 m away | 87 m² | 113 m² | +26 m² +30% | 2020 |
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| 30, Forest Ridge976 m away | 166 m² | 192 m² | +26 m² +16% | 2019 |
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| 14, Derrick Road650 m away | 80 m² | 106 m² | +26 m² +33% | 2015 |
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| 81, Glanfield Road894 m away | 69 m² | 95 m² | +26 m² +38% | 2014 |
|---|
| 1, Colesburg Road293 m away | 98 m² | 123 m² | +25 m² +26% | 2026 |
|---|
| 193, Birkbeck Road796 m away | 94 m² | 119 m² | +25 m² +27% | 2026 |
|---|
| 14, Villiers Road518 m away | 73 m² | 98 m² | +25 m² +34% | 2024 |
|---|
| 41, Whitmore Road695 m away | 138 m² | 163 m² | +25 m² +18% | 2024 |
|---|
| 4, Hampden Road93 m away | 131 m² | 156 m² | +25 m² +19% | 2023 |
|---|
| 109, Elmers End Road969 m away | 50 m² | 75 m² | +25 m² +50% | 2023 |
|---|
| 124, Blandford Road542 m away | 74 m² | 99 m² | +25 m² +34% | 2020 |
|---|
| 39, Durban Road411 m away | 89 m² | 114 m² | +25 m² +28% | 2019 |
|---|
| 29, Chesham Road946 m away | 55 m² | 80 m² | +25 m² +45% | 2019 |
|---|
| 76, Mackenzie Road641 m away | 86 m² | 110 m² | +24 m² +28% | 2025 |
|---|
| 59, Cromwell Road0 m away | 82 m² | 106 m² | +24 m² +29% | 2023 |
|---|
| 30, Birkbeck Road736 m away | 89 m² | 113 m² | +24 m² +27% | 2022 |
|---|
| Flat 4, 180, Birkbeck Road798 m away | 49 m² | 73 m² | +24 m² +49% | 2022 |
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| 15, Wimborne Way590 m away | 54 m² | 78 m² | +24 m² +44% | 2019 |
|---|
| 19, Chaffinch Road644 m away | 93 m² | 117 m² | +24 m² +26% | 2018 |
|---|
| Registry Heights, 34, Beckenham Road587 m away | 73 m² | 96 m² | +23 m² +32% | 2023 |
|---|
| 19, Shaftesbury Road697 m away | 117 m² | 140 m² | +23 m² +20% | 2023 |
|---|
| 71, Durban Road411 m away | 109 m² | 132 m² | +23 m² +21% | 2022 |
|---|
| 12, Villiers Road518 m away | 74 m² | 97 m² | +23 m² +31% | 2022 |
|---|
| 76, Birkbeck Road725 m away | 92 m² | 115 m² | +23 m² +25% | 2022 |
|---|
| 68, Village Way793 m away | 134 m² | 157 m² | +23 m² +17% | 2020 |
|---|
| 3, Beck Way864 m away | 73 m² | 95 m² | +22 m² +30% | 2026 |
|---|
| 199, Croydon Road457 m away | 144 m² | 166 m² | +22 m² +15% | 2025 |
|---|
| 25, Broomfield Road508 m away | 98 m² | 120 m² | +22 m² +22% | 2025 |
|---|
| 131, Mackenzie Road653 m away | 70 m² | 92 m² | +22 m² +31% | 2024 |
|---|
| Flat 3, 13, Beckenham Road717 m away | 97 m² | 119 m² | +22 m² +23% | 2024 |
|---|
| 4, Mackenzie Road660 m away | 103 m² | 125 m² | +22 m² +21% | 2023 |
|---|
| 20, Kimberley Road468 m away | 64 m² | 86 m² | +22 m² +34% | 2021 |
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