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 4RJ
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 Road505 m away | 246 m² | 387 m² | +141 m² +57% | 2012 |
| 41, Beck Lane946 m away | 89 m² | 220 m² | +131 m² +147% | 2023 |
| 130, Maple Road762 m away | 100 m² | 210 m² | +110 m² +110% | 2014 |
| 35, Hayne Road824 m away | 199 m² | 305 m² | +106 m² +53% | 2014 |
| 26, Avington Grove992 m away | 192 m² | 290 m² | +98 m² +51% | 2014 |
| 46, Churchfields Road290 m away | 79 m² | 173 m² | +94 m² +119% | 2010 |
| 37, Kings Hall Road355 m away | 187 m² | 280 m² | +93 m² +50% | 2021 |
| 67, Kings Hall Road395 m away | 124 m² | 215 m² | +91 m² +73% | 2020 |
| 27, Clock House Road530 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.
| 64 m² |
| 152 m² |
| +88 m² +138% |
| 2024 |
| 41, Elmers End Road909 m away | 116 m² | 201 m² | +85 m² +73% | 2025 |
|---|
| 136, Lennard Road784 m away | 139 m² | 220 m² | +81 m² +58% | 2026 |
|---|
| Stanbrook, Hayne Road906 m away | 90 m² | 171 m² | +81 m² +90% | 2019 |
|---|
| 29, Maple Road918 m away | 76 m² | 157 m² | +81 m² +107% | 2018 |
|---|
| 194, Beckenham Road0 m away | 337 m² | 418 m² | +81 m² +24% | 2017 |
|---|
| 45, Cromwell Road795 m away | 135 m² | 213 m² | +78 m² +58% | 2023 |
|---|
| 57, Hampden Avenue749 m away | 98 m² | 170 m² | +72 m² +73% | 2025 |
|---|
| 191, Ravenscroft Road591 m away | 63 m² | 135 m² | +72 m² +114% | 2021 |
|---|
| 98, Avenue Road426 m away | 72 m² | 143 m² | +71 m² +99% | 2025 |
|---|
| 26, Ravenscroft Road221 m away | 89 m² | 157 m² | +68 m² +76% | 2025 |
|---|
| 19, Chesham Crescent653 m away | 105 m² | 172 m² | +67 m² +64% | 2014 |
|---|
| 16, Westfield Road946 m away | 145 m² | 210 m² | +65 m² +45% | 2023 |
|---|
| 45, Kingsdale Road401 m away | 64 m² | 128 m² | +64 m² +100% | 2020 |
|---|
| 12, Cedars Road958 m away | 231 m² | 294 m² | +63 m² +27% | 2026 |
|---|
| 48, Barnmead Road164 m away | 117 m² | 179 m² | +62 m² +53% | 2020 |
|---|
| 80, Ravenscroft Road221 m away | 102 m² | 164 m² | +62 m² +61% | 2020 |
|---|
| 50, Birkbeck Road139 m away | 106 m² | 166 m² | +60 m² +57% | 2025 |
|---|
| 152, Blandford Road365 m away | 83 m² | 143 m² | +60 m² +72% | 2021 |
|---|
| 35, Hampden Road780 m away | 73 m² | 133 m² | +60 m² +82% | 2018 |
|---|
| 295, Beckenham Road59 m away | 125 m² | 185 m² | +60 m² +48% | 2016 |
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| 5a, Villiers Road533 m away | 92 m² | 151 m² | +59 m² +64% | 2019 |
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| 263, Kent House Road566 m away | 131 m² | 187 m² | +56 m² +43% | 2024 |
|---|
| 90, Lennard Road817 m away | 204 m² | 260 m² | +56 m² +27% | 2018 |
|---|
| 214, Kent House Road617 m away | 120 m² | 175 m² | +55 m² +46% | 2026 |
|---|
| 6, Kenilworth Road356 m away | 104 m² | 158 m² | +54 m² +52% | 2020 |
|---|
| 81, Mackenzie Road341 m away | 60 m² | 113 m² | +53 m² +88% | 2022 |
|---|
| 260, Kent House Road617 m away | 113 m² | 166 m² | +53 m² +47% | 2016 |
|---|
| 43, Chaffinch Road565 m away | 87 m² | 139 m² | +52 m² +60% | 2025 |
|---|
| 43, Reddons Road539 m away | 181 m² | 233 m² | +52 m² +29% | 2021 |
|---|
| 88, Durban Road875 m away | 89 m² | 140 m² | +51 m² +57% | 2026 |
|---|
| 5, Southey Street728 m away | 94 m² | 144 m² | +50 m² +53% | 2025 |
|---|
| 35, Forster Road912 m away | 101 m² | 151 m² | +50 m² +50% | 2025 |
|---|
| 86, Barnmead Road167 m away | 97 m² | 146 m² | +49 m² +51% | 2022 |
|---|
| 106, Mackenzie Road305 m away | 76 m² | 125 m² | +49 m² +64% | 2016 |
|---|
| 167, Ravenscroft Road591 m away | 97 m² | 145 m² | +48 m² +49% | 2026 |
|---|
| 37, Belmont Road940 m away | 86 m² | 134 m² | +48 m² +56% | 2024 |
|---|
| 5, Kenilworth Road356 m away | 98 m² | 146 m² | +48 m² +49% | 2022 |
|---|
| 87, Chaffinch Road565 m away | 91 m² | 139 m² | +48 m² +53% | 2022 |
|---|
| 34, Pelham Road736 m away | 104 m² | 152 m² | +48 m² +46% | 2021 |
|---|
| 70, Durban Road875 m away | 93 m² | 141 m² | +48 m² +52% | 2019 |
|---|
| 13, Durban Road904 m away | 90 m² | 138 m² | +48 m² +53% | 2018 |
|---|
| 17, Villiers Road533 m away | 101 m² | 148 m² | +47 m² +47% | 2024 |
|---|
| 15, Whateley Road636 m away | 85 m² | 132 m² | +47 m² +55% | 2021 |
|---|
| 34, Hampden Road776 m away | 94 m² | 141 m² | +47 m² +50% | 2021 |
|---|
| 131, Parish Lane673 m away | 75 m² | 122 m² | +47 m² +63% | 2017 |
|---|
| 31, Cromwell Road795 m away | 120 m² | 167 m² | +47 m² +39% | 2016 |
|---|
| 91, Blandford Road378 m away | 72 m² | 118 m² | +46 m² +64% | 2026 |
|---|
| 90, Durban Road875 m away | 90 m² | 136 m² | +46 m² +51% | 2025 |
|---|
| 10a, Avington Grove992 m away | 58 m² | 104 m² | +46 m² +79% | 2025 |
|---|
| 76, Kings Hall Road288 m away | 203 m² | 248 m² | +45 m² +22% | 2026 |
|---|
| 386, Blandford Road815 m away | 71 m² | 116 m² | +45 m² +63% | 2022 |
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| 311, Blandford Road880 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
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| 57, Belmont Road940 m away | 133 m² | 177 m² | +44 m² +33% | 2025 |
|---|
| 32, Hampden Road776 m away | 95 m² | 139 m² | +44 m² +46% | 2022 |
|---|
| 250, Blandford Road512 m away | 66 m² | 109 m² | +43 m² +65% | 2025 |
|---|
| 29, Ash Grove849 m away | 85 m² | 128 m² | +43 m² +51% | 2022 |
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| 39, Queen Adelaide Road881 m away | 31 m² | 74 m² | +43 m² +139% | 2010 |
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| 155, Churchfields Road561 m away | 84 m² | 126 m² | +42 m² +50% | 2023 |
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| 90, Belmont Road800 m away | 74 m² | 116 m² | +42 m² +57% | 2023 |
|---|
| 116, Mackenzie Road510 m away | 104 m² | 146 m² | +42 m² +40% | 2022 |
|---|
| 33, Kenilworth Road356 m away | 91 m² | 133 m² | +42 m² +46% | 2020 |
|---|
| 18, Green Lane547 m away | 49 m² | 91 m² | +42 m² +86% | 2016 |
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| 65, Kendall Road510 m away | 82 m² | 123 m² | +41 m² +50% | 2026 |
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| 48, Chesham Road578 m away | 121 m² | 162 m² | +41 m² +34% | 2025 |
|---|
| 235, Birkbeck Road841 m away | 64 m² | 105 m² | +41 m² +64% | 2025 |
|---|
| 12, Cromwell Road958 m away | 99 m² | 140 m² | +41 m² +41% | 2024 |
|---|
| 42, Clock House Road552 m away | 139 m² | 180 m² | +41 m² +29% | 2020 |
|---|
| 11, Lennard Road979 m away | 72 m² | 113 m² | +41 m² +57% | 2014 |
|---|
| 7, Forster Road912 m away | 121 m² | 161 m² | +40 m² +33% | 2026 |
|---|
| 36, Pelham Road736 m away | 108 m² | 148 m² | +40 m² +37% | 2025 |
|---|
| 25, Clement Road639 m away | 82 m² | 122 m² | +40 m² +49% | 2023 |
|---|
| 43, Durban Road904 m away | 89 m² | 129 m² | +40 m² +45% | 2017 |
|---|
| 30, Avington Grove992 m away | 86 m² | 126 m² | +40 m² +47% | 2014 |
|---|
| 84, Clock House Road669 m away | 123 m² | 162 m² | +39 m² +32% | 2026 |
|---|
| 30, Colesburg Road964 m away | 86 m² | 125 m² | +39 m² +45% | 2026 |
|---|
| 171, Kings Hall Road757 m away | 154 m² | 193 m² | +39 m² +25% | 2025 |
|---|
| 85, Ravenscroft Road197 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
|---|
| 26, Barnmead Road164 m away | 194 m² | 233 m² | +39 m² +20% | 2021 |
|---|
| 34, Blakeney Road822 m away | 109 m² | 148 m² | +39 m² +36% | 2020 |
|---|
| 285, Beckenham Road59 m away | 59 m² | 97 m² | +38 m² +64% | 2026 |
|---|
| 134, Blandford Road365 m away | 110 m² | 148 m² | +38 m² +35% | 2023 |
|---|
| 26, Blakeney Road822 m away | 103 m² | 141 m² | +38 m² +37% | 2023 |
|---|
| Flat 1, Knewleave House, Copers Cope Road953 m away | 88 m² | 126 m² | +38 m² +43% | 2021 |
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| 44, Durban Road875 m away | 91 m² | 129 m² | +38 m² +42% | 2020 |
|---|
| Flat 61, Queen Adelaide Court, Queen Adelaide Road932 m away | 36 m² | 74 m² | +38 m² +106% | 2020 |
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| 181, High Street450 m away | 32 m² | 70 m² | +38 m² +119% | 2019 |
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| 174, Beckenham Road0 m away | 178 m² | 215 m² | +37 m² +21% | 2026 |
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| 130, Mackenzie Road510 m away | 95 m² | 132 m² | +37 m² +39% | 2026 |
|---|
| 51, Belmont Road940 m away | 99 m² | 136 m² | +37 m² +37% | 2026 |
|---|
| 2, Kendall Road489 m away | 125 m² | 162 m² | +37 m² +30% | 2024 |
|---|
| 88, Lennard Road817 m away | 204 m² | 241 m² | +37 m² +18% | 2023 |
|---|
| 37, Kenilworth Road356 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| 40, Barnmead Road164 m away | 164 m² | 200 m² | +36 m² +22% | 2023 |
|---|
| 76, Blandford Road235 m away | 86 m² | 122 m² | +36 m² +42% | 2021 |
|---|
| 49, Hampden Road780 m away | 93 m² | 129 m² | +36 m² +39% | 2019 |
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| 50, Allen Road682 m away | 90 m² | 125 m² | +35 m² +39% | 2025 |
|---|
| 73, Ravenscroft Road197 m away | 101 m² | 136 m² | +35 m² +35% | 2022 |
|---|
| 68, Durban Road875 m away | 107 m² | 142 m² | +35 m² +33% | 2022 |
|---|
| 120, Elmers End Road959 m away | 106 m² | 141 m² | +35 m² +33% | 2022 |
|---|
| 7, Blandford Avenue324 m away | 84 m² | 119 m² | +35 m² +42% | 2017 |
|---|
| 28, Colesburg Road964 m away | 91 m² | 126 m² | +35 m² +38% | 2017 |
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| 277, Beckenham Road59 m away | 103 m² | 138 m² | +35 m² +34% | 2014 |
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| 16, Elmers End Road954 m away | 124 m² | 158 m² | +34 m² +27% | 2026 |
|---|
| 132, Birkbeck Road587 m away | 117 m² | 151 m² | +34 m² +29% | 2024 |
|---|
| 55, Wordsworth Road693 m away | 89 m² | 123 m² | +34 m² +38% | 2021 |
|---|
| 18, Hampden Avenue775 m away | 100 m² | 134 m² | +34 m² +34% | 2020 |
|---|
| 172, Birkbeck Road587 m away | 84 m² | 118 m² | +34 m² +40% | 2019 |
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| 119, Mackenzie Road508 m away | 110 m² | 144 m² | +34 m² +31% | 2018 |
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| 13, Stodart Road834 m away | 131 m² | 165 m² | +34 m² +26% | 2017 |
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| 17, Padua Road754 m away | 61 m² | 95 m² | +34 m² +56% | 2016 |
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| 16, Padua Road754 m away | 119 m² | 152 m² | +33 m² +28% | 2026 |
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| 116, Blandford Road365 m away | 85 m² | 118 m² | +33 m² +39% | 2023 |
|---|
| 19, Eastwell Close327 m away | 90 m² | 123 m² | +33 m² +37% | 2021 |
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| 186, Maple Road781 m away | 53 m² | 86 m² | +33 m² +62% | 2020 |
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| 5, Beckett Walk930 m away | 47 m² | 80 m² | +33 m² +70% | 2013 |
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| 38, Birkbeck Road139 m away | 99 m² | 131 m² | +32 m² +32% | 2026 |
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| 63, Chaffinch Road565 m away | 90 m² | 122 m² | +32 m² +36% | 2025 |
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| 29, Pelham Road773 m away | 102 m² | 134 m² | +32 m² +31% | 2022 |
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| 130, Lennard Road784 m away | 68 m² | 100 m² | +32 m² +47% | 2022 |
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| 28, Oak Grove Road827 m away | 80 m² | 112 m² | +32 m² +40% | 2021 |
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| 186, Clock House Road938 m away | 84 m² | 116 m² | +32 m² +38% | 2019 |
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| 16, Blandford Road235 m away | 95 m² | 127 m² | +32 m² +34% | 2015 |
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| 62, Barnmead Road164 m away | 120 m² | 151 m² | +31 m² +26% | 2026 |
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| 31, Torr Road458 m away | 86 m² | 117 m² | +31 m² +36% | 2023 |
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| 50a, Croydon Road614 m away | 69 m² | 100 m² | +31 m² +45% | 2021 |
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| Flat 7, Clock House Court, Clock House Road535 m away | 39 m² | 70 m² | +31 m² +79% | 2019 |
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| 40, Stodart Road834 m away | 103 m² | 134 m² | +31 m² +30% | 2019 |
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| 1, Birkbeck Road144 m away | 50 m² | 81 m² | +31 m² +62% | 2018 |
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| 30, Parish Lane951 m away | 42 m² | 73 m² | +31 m² +74% | 2010 |
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| 22, Hampden Avenue775 m away | 103 m² | 133 m² | +30 m² +29% | 2026 |
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| 46, Blandford Road235 m away | 98 m² | 128 m² | +30 m² +31% | 2025 |
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| 41, Arrol Road883 m away | 75 m² | 105 m² | +30 m² +40% | 2022 |
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| 17, Durban Road904 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
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| 60, Rowden Road540 m away | 106 m² | 136 m² | +30 m² +28% | 2018 |
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| 3, Durban Road904 m away | 80 m² | 110 m² | +30 m² +38% | 2017 |
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| 15, Green Lane547 m away | 111 m² | 141 m² | +30 m² +27% | 2015 |
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| 13, Kings Hall Road355 m away | 168 m² | 197 m² | +29 m² +17% | 2024 |
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| 22a, Avington Grove992 m away | 35 m² | 64 m² | +29 m² +83% | 2022 |
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| 150, Beckenham Road0 m away | 178 m² | 207 m² | +29 m² +16% | 2021 |
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| 170, Birkbeck Road587 m away | 86 m² | 115 m² | +29 m² +34% | 2020 |
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| 49, Clevedon Road286 m away | 107 m² | 136 m² | +29 m² +27% | 2018 |
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| 1a, Cedars Road952 m away | 109 m² | 138 m² | +29 m² +27% | 2018 |
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| 14, Durban Road875 m away | 101 m² | 130 m² | +29 m² +29% | 2017 |
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| 265a, Beckenham Road59 m away | 74 m² | 102 m² | +28 m² +38% | 2021 |
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| 27, Hampden Road780 m away | 93 m² | 121 m² | +28 m² +30% | 2019 |
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| 28, Green Lane515 m away | 88 m² | 116 m² | +28 m² +32% | 2015 |
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| 51, Durban Road904 m away | 88 m² | 116 m² | +28 m² +32% | 2010 |
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| 123, Ravenscroft Road591 m away | 85 m² | 112 m² | +27 m² +32% | 2026 |
|---|
| Flat 10, Queen Adelaide Court, Queen Adelaide Road883 m away | 45 m² | 72 m² | +27 m² +60% | 2025 |
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| 70, Wordsworth Road651 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
|---|
| 26, Churchfields Road290 m away | 86 m² | 113 m² | +27 m² +31% | 2022 |
|---|
| 36, Somerville Road689 m away | 95 m² | 122 m² | +27 m² +28% | 2022 |
|---|
| 49b, Parish Lane948 m away | 41 m² | 68 m² | +27 m² +66% | 2022 |
|---|
| 50, Barnmead Road164 m away | 150 m² | 177 m² | +27 m² +18% | 2021 |
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| 105, Avenue Road384 m away | 71 m² | 98 m² | +27 m² +38% | 2020 |
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| 23, Colesburg Road964 m away | 81 m² | 108 m² | +27 m² +33% | 2020 |
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| 87, Clock House Road643 m away | 124 m² | 151 m² | +27 m² +22% | 2019 |
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| 2, Lathkill Court, Hayne Road889 m away | 43 m² | 70 m² | +27 m² +63% | 2019 |
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| 76, Ravenscroft Road221 m away | 114 m² | 141 m² | +27 m² +24% | 2017 |
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| 94, Ravenscroft Road221 m away | 113 m² | 140 m² | +27 m² +24% | 2017 |
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| Flat 5, 101a, Parish Lane439 m away | 36 m² | 62 m² | +26 m² +72% | 2025 |
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| 34, Kings Hall Road324 m away | 114 m² | 140 m² | +26 m² +23% | 2023 |
|---|
| 68, Lennard Road817 m away | 169 m² | 195 m² | +26 m² +15% | 2023 |
|---|
| 23, Cottingham Road470 m away | 78 m² | 104 m² | +26 m² +33% | 2022 |
|---|
| 166, Birkbeck Road587 m away | 87 m² | 113 m² | +26 m² +30% | 2020 |
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| Flat 6, Strood House, Evelina Road650 m away | 19 m² | 45 m² | +26 m² +137% | 2020 |
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| 193, Birkbeck Road647 m away | 94 m² | 119 m² | +25 m² +27% | 2026 |
|---|
| 1, Colesburg Road964 m away | 98 m² | 123 m² | +25 m² +26% | 2026 |
|---|
| 14, Villiers Road533 m away | 73 m² | 98 m² | +25 m² +34% | 2024 |
|---|
| 4, Hampden Road776 m away | 131 m² | 156 m² | +25 m² +19% | 2023 |
|---|
| 109, Elmers End Road926 m away | 50 m² | 75 m² | +25 m² +50% | 2023 |
|---|
| 124, Blandford Road365 m away | 74 m² | 99 m² | +25 m² +34% | 2020 |
|---|
| 22, Green Lane547 m away | 42 m² | 67 m² | +25 m² +60% | 2020 |
|---|
| 29, Chesham Road578 m away | 55 m² | 80 m² | +25 m² +45% | 2019 |
|---|
| 39, Durban Road904 m away | 89 m² | 114 m² | +25 m² +28% | 2019 |
|---|
| 8, Green Lane547 m away | 83 m² | 108 m² | +25 m² +30% | 2009 |
|---|
| 76, Mackenzie Road305 m away | 86 m² | 110 m² | +24 m² +28% | 2025 |
|---|
| 40, Kenilworth Road356 m away | 126 m² | 150 m² | +24 m² +19% | 2024 |
|---|
| 59, Cromwell Road795 m away | 82 m² | 106 m² | +24 m² +29% | 2023 |
|---|
| 30, Birkbeck Road139 m away | 89 m² | 113 m² | +24 m² +27% | 2022 |
|---|
| Flat 4, 180, Birkbeck Road587 m away | 49 m² | 73 m² | +24 m² +49% | 2022 |
|---|
| 27, Albert Road842 m away | 44 m² | 68 m² | +24 m² +55% | 2021 |
|---|
| 19, Chaffinch Road410 m away | 93 m² | 117 m² | +24 m² +26% | 2018 |
|---|
| Flat 5, 26, Chestnut Grove965 m away | 45 m² | 69 m² | +24 m² +53% | 2017 |
|---|
| 25, Whateley Road636 m away | 90 m² | 113 m² | +23 m² +26% | 2026 |
|---|
| 152, Maple Road762 m away | 52 m² | 75 m² | +23 m² +44% | 2025 |
|---|
| Registry Heights, 34, Beckenham Road507 m away | 73 m² | 96 m² | +23 m² +32% | 2023 |
|---|
| 76, Birkbeck Road291 m away | 92 m² | 115 m² | +23 m² +25% | 2022 |
|---|
| 12, Villiers Road533 m away | 74 m² | 97 m² | +23 m² +31% | 2022 |
|---|
| 27, Ash Grove849 m away | 101 m² | 124 m² | +23 m² +23% | 2022 |
|---|
| 71, Durban Road904 m away | 109 m² | 132 m² | +23 m² +21% | 2022 |
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