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 SE27 0EW
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 |
|---|---|---|---|---|
| 43, Crown Lane342 m away | 203 m² | 356 m² | +153 m² +75% | 2023 |
| 159, Gibsons Hill415 m away | 165 m² | 291 m² | +126 m² +76% | 2025 |
| 28, Ryecroft Road338 m away | 154 m² | 269 m² | +115 m² +75% | 2016 |
| 125, Covington Way867 m away | 165 m² | 275 m² | +110 m² +67% | 2014 |
| 2, Downsview Gardens971 m away | 81 m² | 180 m² | +99 m² +122% | 2023 |
| 126, Norbury Hill671 m away | 313 m² | 410 m² | +97 m² +31% | 2009 |
| 15, Hermitage Gardens755 m away | 126 m² | 221 m² | +95 m² +75% | 2014 |
| 6, Elder Road616 m away | 66 m² | 160 m² | +94 m² +142% | 2014 |
| 15, Bewlys Road405 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.
| 110 m² |
| 203 m² |
| +93 m² +85% |
| 2025 |
| 5, Gipsy Road Gardens682 m away | 85 m² | 176 m² | +91 m² +107% | 2014 |
|---|
| 4, Hollies Close572 m away | 178 m² | 267 m² | +89 m² +50% | 2023 |
|---|
| 17, Dassett Road336 m away | 79 m² | 160 m² | +81 m² +103% | 2020 |
|---|
| 57, Norbury Hill782 m away | 90 m² | 171 m² | +81 m² +90% | 2010 |
|---|
| 24, Hainthorpe Road996 m away | 82 m² | 162 m² | +80 m² +98% | 2017 |
|---|
| 163, Covington Way974 m away | 126 m² | 196 m² | +70 m² +56% | 2021 |
|---|
| 141g, Central Hill861 m away | 51 m² | 120 m² | +69 m² +135% | 2014 |
|---|
| 22, Henry Tate Mews837 m away | 121 m² | 186 m² | +65 m² +54% | 2014 |
|---|
| 44, Elder Road499 m away | 86 m² | 150 m² | +64 m² +74% | 2024 |
|---|
| 4, Leafield Close413 m away | 121 m² | 184 m² | +63 m² +52% | 2023 |
|---|
| 3, Darlington Road383 m away | 57 m² | 118 m² | +61 m² +107% | 2022 |
|---|
| 21, Eylewood Road683 m away | 80 m² | 140 m² | +60 m² +75% | 2026 |
|---|
| 22, Downsview Road903 m away | 42 m² | 101 m² | +59 m² +140% | 2009 |
|---|
| 69a, Ryecroft Road608 m away | 146 m² | 204 m² | +58 m² +40% | 2026 |
|---|
| 16, Leafield Close413 m away | 75 m² | 133 m² | +58 m² +77% | 2022 |
|---|
| 239, Leigham Court Road978 m away | 56 m² | 113 m² | +57 m² +102% | 2019 |
|---|
| 32, Bloomhall Road962 m away | 72 m² | 128 m² | +56 m² +78% | 2014 |
|---|
| 30, Downsview Road903 m away | 126 m² | 181 m² | +55 m² +44% | 2026 |
|---|
| 49, Bradley Road340 m away | 83 m² | 138 m² | +55 m² +66% | 2022 |
|---|
| 29, Eylewood Road683 m away | 80 m² | 135 m² | +55 m² +69% | 2021 |
|---|
| 20a, Oxford Road949 m away | 47 m² | 102 m² | +55 m² +117% | 2020 |
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| 11, Cheviot Road500 m away | 105 m² | 159 m² | +54 m² +51% | 2023 |
|---|
| 28, Norwood Park Road678 m away | 86 m² | 140 m² | +54 m² +63% | 2019 |
|---|
| 29, St Julians Farm Road830 m away | 71 m² | 125 m² | +54 m² +76% | 2010 |
|---|
| 135, Thornlaw Road720 m away | 143 m² | 196 m² | +53 m² +37% | 2021 |
|---|
| 9, Downsview Road835 m away | 246 m² | 299 m² | +53 m² +22% | 2020 |
|---|
| 156, Knights Hill561 m away | 74 m² | 126 m² | +52 m² +70% | 2016 |
|---|
| 52, Covington Way820 m away | 92 m² | 144 m² | +52 m² +57% | 2015 |
|---|
| 55, Casewick Road616 m away | 139 m² | 189 m² | +50 m² +36% | 2025 |
|---|
| 45, Wolfington Road876 m away | 146 m² | 196 m² | +50 m² +34% | 2020 |
|---|
| 64, Selsdon Road977 m away | 137 m² | 187 m² | +50 m² +36% | 2017 |
|---|
| 297, Leigham Court Road855 m away | 137 m² | 186 m² | +49 m² +36% | 2026 |
|---|
| 95, Thurlestone Road968 m away | 40 m² | 89 m² | +49 m² +123% | 2025 |
|---|
| 132, Norbury Hill671 m away | 217 m² | 264 m² | +47 m² +22% | 2026 |
|---|
| 94, Norwood High Street764 m away | 34 m² | 80 m² | +46 m² +135% | 2015 |
|---|
| 89, Elder Road543 m away | 116 m² | 161 m² | +45 m² +39% | 2025 |
|---|
| 41, Eylewood Road683 m away | 86 m² | 131 m² | +45 m² +52% | 2025 |
|---|
| 28, Crown Dale64 m away | 111 m² | 156 m² | +45 m² +41% | 2024 |
|---|
| 1, St Julians Farm Road822 m away | 149 m² | 194 m² | +45 m² +30% | 2023 |
|---|
| 40, Biggin Hill940 m away | 84 m² | 129 m² | +45 m² +54% | 2023 |
|---|
| 5, Beaumont Road458 m away | 87 m² | 132 m² | +45 m² +52% | 2019 |
|---|
| 172, Central Hill821 m away | 79 m² | 124 m² | +45 m² +57% | 2018 |
|---|
| 339, Leigham Court Road656 m away | 141 m² | 185 m² | +44 m² +31% | 2026 |
|---|
| Flat 2, Fern Lodge, Crown Lane503 m away | 42 m² | 86 m² | +44 m² +105% | 2023 |
|---|
| 96, Thornlaw Road672 m away | 63 m² | 107 m² | +44 m² +70% | 2023 |
|---|
| 125, Tivoli Road300 m away | 81 m² | 125 m² | +44 m² +54% | 2020 |
|---|
| 69, Casewick Road616 m away | 130 m² | 173 m² | +43 m² +33% | 2023 |
|---|
| 18, Bewlys Road405 m away | 116 m² | 158 m² | +42 m² +36% | 2022 |
|---|
| 23, Casewick Road616 m away | 144 m² | 186 m² | +42 m² +29% | 2022 |
|---|
| 57, Moore Road285 m away | 74 m² | 116 m² | +42 m² +57% | 2020 |
|---|
| 115, Biggin Hill974 m away | 65 m² | 107 m² | +42 m² +65% | 2018 |
|---|
| 57, St Julian'S Farm Road830 m away | 149 m² | 191 m² | +42 m² +28% | 2016 |
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| 10, Founders Gardens799 m away | 40 m² | 82 m² | +42 m² +105% | 2015 |
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| 5, Founders Gardens799 m away | 70 m² | 112 m² | +42 m² +60% | 2013 |
|---|
| 14, White Lodge632 m away | 103 m² | 144 m² | +41 m² +40% | 2026 |
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| 30, Convent Hill538 m away | 119 m² | 160 m² | +41 m² +34% | 2025 |
|---|
| 8, Windsor Close772 m away | 98 m² | 139 m² | +41 m² +42% | 2023 |
|---|
| 3, Covington Way867 m away | 94 m² | 135 m² | +41 m² +44% | 2017 |
|---|
| 58, Cheviot Road532 m away | 123 m² | 163 m² | +40 m² +33% | 2023 |
|---|
| 62, Dassett Road307 m away | 80 m² | 120 m² | +40 m² +50% | 2022 |
|---|
| 3, Cheviot Road500 m away | 110 m² | 150 m² | +40 m² +36% | 2022 |
|---|
| 100, Cheviot Road532 m away | 108 m² | 148 m² | +40 m² +37% | 2022 |
|---|
| 51, Elder Road606 m away | 92 m² | 132 m² | +40 m² +43% | 2022 |
|---|
| 33, Ladas Road491 m away | 41 m² | 81 m² | +40 m² +98% | 2021 |
|---|
| 5, Havisham Place531 m away | 159 m² | 198 m² | +39 m² +25% | 2024 |
|---|
| 237, Leigham Court Road978 m away | 117 m² | 156 m² | +39 m² +33% | 2023 |
|---|
| 5, Pytchley Crescent663 m away | 105 m² | 144 m² | +39 m² +37% | 2021 |
|---|
| 21a, Queen Mary Road331 m away | 55 m² | 94 m² | +39 m² +71% | 2018 |
|---|
| 146, Knights Hill561 m away | 32 m² | 71 m² | +39 m² +122% | 2015 |
|---|
| 14, Auckland Hill925 m away | 51 m² | 90 m² | +39 m² +76% | 2014 |
|---|
| 10, Bradley Road315 m away | 84 m² | 122 m² | +38 m² +45% | 2026 |
|---|
| 245, Leigham Court Road978 m away | 114 m² | 152 m² | +38 m² +33% | 2026 |
|---|
| 65, Moore Road285 m away | 84 m² | 122 m² | +38 m² +45% | 2023 |
|---|
| 49a, Queen Mary Road331 m away | 65 m² | 103 m² | +38 m² +58% | 2021 |
|---|
| 110, Casewick Road614 m away | 76 m² | 114 m² | +38 m² +50% | 2020 |
|---|
| 49, Wolfington Road876 m away | 126 m² | 164 m² | +38 m² +30% | 2020 |
|---|
| 34, Wolfington Road891 m away | 47 m² | 85 m² | +38 m² +81% | 2013 |
|---|
| 9, Cheviot Road500 m away | 74 m² | 112 m² | +38 m² +51% | 2012 |
|---|
| 65, Christian Fields789 m away | 109 m² | 146 m² | +37 m² +34% | 2021 |
|---|
| 156, Central Hill821 m away | 87 m² | 124 m² | +37 m² +43% | 2014 |
|---|
| 104, Cheviot Road532 m away | 108 m² | 144 m² | +36 m² +33% | 2026 |
|---|
| 37, Cheviot Road500 m away | 106 m² | 142 m² | +36 m² +34% | 2025 |
|---|
| 19, Beaumont Road458 m away | 82 m² | 118 m² | +36 m² +44% | 2023 |
|---|
| 39, Crown Lane342 m away | 33 m² | 69 m² | +36 m² +109% | 2020 |
|---|
| 49, Crown Lane342 m away | 202 m² | 238 m² | +36 m² +18% | 2018 |
|---|
| 55, Tivoli Road449 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
|---|
| 23, St Louis Road968 m away | 66 m² | 101 m² | +35 m² +53% | 2026 |
|---|
| 74a, Wolfington Road928 m away | 83 m² | 118 m² | +35 m² +42% | 2025 |
|---|
| 117, Gipsy Road957 m away | 47 m² | 82 m² | +35 m² +74% | 2022 |
|---|
| 200, Casewick Road614 m away | 85 m² | 120 m² | +35 m² +41% | 2017 |
|---|
| 105, Tivoli Road300 m away | 84 m² | 119 m² | +35 m² +42% | 2016 |
|---|
| 46, Norwood High Street885 m away | 39 m² | 73 m² | +34 m² +87% | 2022 |
|---|
| Flat 2, 75, Thornlaw Road751 m away | 68 m² | 102 m² | +34 m² +50% | 2019 |
|---|
| Flat 1, 55, Wolfington Road876 m away | 49 m² | 83 m² | +34 m² +69% | 2016 |
|---|
| 1, Covington Way867 m away | 117 m² | 151 m² | +34 m² +29% | 2015 |
|---|
| 17, Hainthorpe Road997 m away | 144 m² | 178 m² | +34 m² +24% | 2011 |
|---|
| 44, Dassett Road307 m away | 110 m² | 143 m² | +33 m² +30% | 2026 |
|---|
| 58, Lamberhurst Road681 m away | 107 m² | 140 m² | +33 m² +31% | 2025 |
|---|
| 83, Thornlaw Road751 m away | 122 m² | 155 m² | +33 m² +27% | 2024 |
|---|
| 91, Tivoli Road300 m away | 77 m² | 110 m² | +33 m² +43% | 2023 |
|---|
| 147, Tivoli Road300 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
|---|
| 68, Auckland Hill992 m away | 118 m² | 151 m² | +33 m² +28% | 2023 |
|---|
| 36, Crown Dale64 m away | 97 m² | 130 m² | +33 m² +34% | 2022 |
|---|
| 129, Casewick Road598 m away | 109 m² | 142 m² | +33 m² +30% | 2022 |
|---|
| 12, Norwood Park Road678 m away | 88 m² | 121 m² | +33 m² +38% | 2022 |
|---|
| 119, Thornlaw Road720 m away | 96 m² | 129 m² | +33 m² +34% | 2022 |
|---|
| 46, Henry Tate Mews837 m away | 104 m² | 137 m² | +33 m² +32% | 2022 |
|---|
| 107, Gipsy Road957 m away | 71 m² | 104 m² | +33 m² +46% | 2022 |
|---|
| 66, Norwood Park Road678 m away | 85 m² | 118 m² | +33 m² +39% | 2014 |
|---|
| 50, Crown Dale240 m away | 90 m² | 123 m² | +33 m² +37% | 2012 |
|---|
| 34, Lamberhurst Road681 m away | 103 m² | 136 m² | +33 m² +32% | 2009 |
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| 62, Ladas Road443 m away | 73 m² | 105 m² | +32 m² +44% | 2026 |
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| 70, Valleyfield Road896 m away | 127 m² | 159 m² | +32 m² +25% | 2024 |
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| 46, Cheviot Road532 m away | 95 m² | 127 m² | +32 m² +34% | 2021 |
|---|
| 81, Casewick Road616 m away | 155 m² | 187 m² | +32 m² +21% | 2021 |
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| 91, Casewick Road598 m away | 97 m² | 129 m² | +32 m² +33% | 2019 |
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| 12, Ryecroft Road338 m away | 148 m² | 180 m² | +32 m² +22% | 2016 |
|---|
| 6, Founders Gardens799 m away | 80 m² | 112 m² | +32 m² +40% | 2013 |
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| 29, Wolfington Road891 m away | 162 m² | 193 m² | +31 m² +19% | 2025 |
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| 2, Dassett Road307 m away | 109 m² | 140 m² | +31 m² +28% | 2019 |
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| 104a, Thornlaw Road672 m away | 40 m² | 71 m² | +31 m² +78% | 2019 |
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| 3, Founders Gardens799 m away | 81 m² | 112 m² | +31 m² +38% | 2013 |
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| 89, Valleyfield Road841 m away | 145 m² | 176 m² | +31 m² +21% | 2013 |
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| 3, Gibbs Square875 m away | 72 m² | 103 m² | +31 m² +43% | 2012 |
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| 18, Elder Gardens713 m away | 43 m² | 74 m² | +31 m² +72% | 2010 |
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| 5, Jerviston Gardens561 m away | 105 m² | 135 m² | +30 m² +29% | 2026 |
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| Flat 3, Fern Lodge, Crown Lane503 m away | 42 m² | 72 m² | +30 m² +71% | 2023 |
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| 15, Pytchley Crescent663 m away | 107 m² | 137 m² | +30 m² +28% | 2022 |
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| 223, Covington Way989 m away | 119 m² | 149 m² | +30 m² +25% | 2020 |
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| 121, Casewick Road598 m away | 100 m² | 130 m² | +30 m² +30% | 2018 |
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| 77, Thurlestone Road968 m away | 146 m² | 176 m² | +30 m² +21% | 2012 |
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| 37, Elder Gardens713 m away | 44 m² | 74 m² | +30 m² +68% | 2010 |
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| 64, Eylewood Road669 m away | 82 m² | 111 m² | +29 m² +35% | 2021 |
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| 53, Ladas Road491 m away | 72 m² | 101 m² | +29 m² +40% | 2020 |
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| 21, Norwood Park Road665 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
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| 15, Norwood Park Road665 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
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| 43, Norwood Park Road665 m away | 92 m² | 121 m² | +29 m² +32% | 2019 |
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| 38, Thornlaw Road721 m away | 41 m² | 70 m² | +29 m² +71% | 2017 |
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| 16, Ryecroft Road338 m away | 179 m² | 208 m² | +29 m² +16% | 2015 |
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| 26, Wedgwood Way655 m away | 126 m² | 155 m² | +29 m² +23% | 2014 |
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| 41, Ladas Road491 m away | 76 m² | 104 m² | +28 m² +37% | 2026 |
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| 10, Norwood Park Road678 m away | 86 m² | 114 m² | +28 m² +33% | 2026 |
|---|
| 35, Wolfington Road876 m away | 95 m² | 123 m² | +28 m² +29% | 2025 |
|---|
| 42, Ladas Road443 m away | 72 m² | 100 m² | +28 m² +39% | 2022 |
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| 41, Norwood Park Road665 m away | 83 m² | 111 m² | +28 m² +34% | 2017 |
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| 4, Founders Gardens799 m away | 84 m² | 112 m² | +28 m² +33% | 2013 |
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| 30, Norwood Park Road678 m away | 82 m² | 109 m² | +27 m² +33% | 2026 |
|---|
| 133, Thornlaw Road720 m away | 88 m² | 115 m² | +27 m² +31% | 2026 |
|---|
| 146, St Louis Road963 m away | 66 m² | 93 m² | +27 m² +41% | 2025 |
|---|
| 40, Downsview Road903 m away | 127 m² | 154 m² | +27 m² +21% | 2024 |
|---|
| 154, Knights Hill561 m away | 58 m² | 85 m² | +27 m² +47% | 2020 |
|---|
| 62, Covington Way820 m away | 104 m² | 131 m² | +27 m² +26% | 2014 |
|---|
| 28, Fawcett Close863 m away | 35 m² | 62 m² | +27 m² +77% | 2014 |
|---|
| 17, Bigginwood Road991 m away | 87 m² | 113 m² | +26 m² +30% | 2026 |
|---|
| 26, St Julians Farm Road774 m away | 51 m² | 77 m² | +26 m² +51% | 2018 |
|---|
| Flat 7, South View Court, The Woodlands873 m away | 50 m² | 76 m² | +26 m² +52% | 2018 |
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| 61, Tivoli Road449 m away | 46 m² | 72 m² | +26 m² +57% | 2015 |
|---|
| 55, Ladas Road491 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
|---|
| 12, Fawcett Close863 m away | 43 m² | 68 m² | +25 m² +58% | 2025 |
|---|
| 193a, Auckland Hill949 m away | 50 m² | 75 m² | +25 m² +50% | 2023 |
|---|
| Flat A, 99, Gipsy Road957 m away | 26 m² | 51 m² | +25 m² +96% | 2023 |
|---|
| 52, Biggin Hill940 m away | 112 m² | 137 m² | +25 m² +22% | 2021 |
|---|
| Flat 2, 21, Thornlaw Road751 m away | 61 m² | 86 m² | +25 m² +41% | 2020 |
|---|
| 17, Gipsy Road781 m away | 35 m² | 60 m² | +25 m² +71% | 2020 |
|---|
| 12, Wedgwood Way655 m away | 88 m² | 113 m² | +25 m² +28% | 2019 |
|---|
| 193, Covington Way989 m away | 144 m² | 169 m² | +25 m² +17% | 2015 |
|---|
| 111, Marston Way695 m away | 44 m² | 69 m² | +25 m² +57% | 2014 |
|---|
| 38, Hainthorpe Road996 m away | 36 m² | 61 m² | +25 m² +69% | 2009 |
|---|
| 61, Lamberhurst Road588 m away | 99 m² | 123 m² | +24 m² +24% | 2026 |
|---|
| 14, Covington Gardens915 m away | 120 m² | 144 m² | +24 m² +20% | 2026 |
|---|
| 21, Darlington Road383 m away | 61 m² | 85 m² | +24 m² +39% | 2023 |
|---|
| 10, Wedgwood Way655 m away | 88 m² | 112 m² | +24 m² +27% | 2023 |
|---|
| 24, Oxford Road949 m away | 89 m² | 113 m² | +24 m² +27% | 2022 |
|---|
| 48, Norwood High Street885 m away | 33 m² | 57 m² | +24 m² +73% | 2020 |
|---|
| 37, Thurlby Road907 m away | 25 m² | 49 m² | +24 m² +96% | 2019 |
|---|
| 272, Beulah Hill221 m away | 84 m² | 108 m² | +24 m² +29% | 2018 |
|---|
| 115, Tivoli Road300 m away | 83 m² | 107 m² | +24 m² +29% | 2018 |
|---|
| 37, Darlington Road383 m away | 59 m² | 82 m² | +23 m² +39% | 2025 |
|---|
| 16, Tivoli Road435 m away | 78 m² | 101 m² | +23 m² +29% | 2025 |
|---|
| 119, Casewick Road598 m away | 130 m² | 153 m² | +23 m² +18% | 2025 |
|---|
| 253, Leigham Court Road978 m away | 85 m² | 108 m² | +23 m² +27% | 2023 |
|---|
| 60, St Julian'S Farm Road774 m away | 136 m² | 159 m² | +23 m² +17% | 2017 |
|---|
| 18, Gipsy Road Gardens682 m away | 84 m² | 107 m² | +23 m² +27% | 2015 |
|---|
| 89, Thornlaw Road751 m away | 62 m² | 85 m² | +23 m² +37% | 2014 |
|---|
| 103, Tivoli Road300 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
|---|
| 26, Grecian Crescent277 m away | 81 m² | 103 m² | +22 m² +27% | 2023 |
|---|
| 26, Chapel Road541 m away | 91 m² | 113 m² | +22 m² +24% | 2023 |
|---|
| 45, Dassett Road336 m away | 87 m² | 109 m² | +22 m² +25% | 2022 |
|---|
| 38, Norwood High Street885 m away | 71 m² | 93 m² | +22 m² +31% | 2022 |
|---|
| 7, Thurlestone Road968 m away | 142 m² | 164 m² | +22 m² +15% | 2022 |
|---|
| 23, Thornlaw Road751 m away | 66 m² | 88 m² | +22 m² +33% | 2013 |
|---|