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 0SR
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 Lane653 m away | 203 m² | 356 m² | +153 m² +75% | 2023 |
| 159, Gibsons Hill911 m away | 165 m² | 291 m² | +126 m² +76% | 2025 |
| 55, Chestnut Road845 m away | 99 m² | 222 m² | +123 m² +124% | 2022 |
| 29, Rockhampton Road645 m away | 80 m² | 198 m² | +118 m² +148% | 2015 |
| 28, Ryecroft Road739 m away | 154 m² | 269 m² | +115 m² +75% | 2016 |
| 6, Elder Road336 m away | 66 m² | 160 m² | +94 m² +142% | 2014 |
| 15, Bewlys Road171 m away | 110 m² | 203 m² | +93 m² +85% | 2025 |
| 6, Knollys Close900 m away | 83 m² | 175 m² | +92 m² +111% | 2022 |
| 5, Gipsy Road Gardens464 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.
| 85 m² |
| 176 m² |
| +91 m² +107% |
| 2014 |
| Oxted Cottage, Rockhampton Road645 m away | 120 m² | 208 m² | +88 m² +73% | 2025 |
|---|
| 2, Ardlui Road967 m away | 178 m² | 266 m² | +88 m² +49% | 2011 |
|---|
| 10, Pyrmont Grove680 m away | 92 m² | 178 m² | +86 m² +93% | 2017 |
|---|
| 17, Dassett Road285 m away | 79 m² | 160 m² | +81 m² +103% | 2020 |
|---|
| 24, Hainthorpe Road459 m away | 82 m² | 162 m² | +80 m² +98% | 2017 |
|---|
| 55, Casewick Road152 m away | 121 m² | 189 m² | +68 m² +56% | 2025 |
|---|
| 9, Selsdon Road514 m away | 93 m² | 158 m² | +65 m² +70% | 2020 |
|---|
| 22, Henry Tate Mews881 m away | 121 m² | 186 m² | +65 m² +54% | 2014 |
|---|
| 44, Elder Road609 m away | 86 m² | 150 m² | +64 m² +74% | 2024 |
|---|
| 48, Knollys Road955 m away | 82 m² | 145 m² | +63 m² +77% | 2026 |
|---|
| 4, Leafield Close954 m away | 121 m² | 184 m² | +63 m² +52% | 2023 |
|---|
| 3, Darlington Road202 m away | 57 m² | 118 m² | +61 m² +107% | 2022 |
|---|
| 19, Dalton Street891 m away | 46 m² | 107 m² | +61 m² +133% | 2020 |
|---|
| 21, Eylewood Road564 m away | 80 m² | 140 m² | +60 m² +75% | 2026 |
|---|
| 2, Cambrian Close850 m away | 116 m² | 175 m² | +59 m² +51% | 2025 |
|---|
| 16, Knollys Road977 m away | 154 m² | 213 m² | +59 m² +38% | 2024 |
|---|
| 69a, Ryecroft Road930 m away | 146 m² | 204 m² | +58 m² +40% | 2026 |
|---|
| 37, Broxholm Road911 m away | 47 m² | 105 m² | +58 m² +123% | 2024 |
|---|
| 16, Leafield Close954 m away | 75 m² | 133 m² | +58 m² +77% | 2022 |
|---|
| 239, Leigham Court Road631 m away | 56 m² | 113 m² | +57 m² +102% | 2019 |
|---|
| 10, Glennie Road821 m away | 96 m² | 152 m² | +56 m² +58% | 2023 |
|---|
| 140, Rommany Road862 m away | 88 m² | 144 m² | +56 m² +64% | 2022 |
|---|
| 50, Egremont Road707 m away | 91 m² | 147 m² | +56 m² +62% | 2021 |
|---|
| 49, Bradley Road800 m away | 83 m² | 138 m² | +55 m² +66% | 2022 |
|---|
| 29, Eylewood Road564 m away | 80 m² | 135 m² | +55 m² +69% | 2021 |
|---|
| 11, Cheviot Road200 m away | 105 m² | 159 m² | +54 m² +51% | 2023 |
|---|
| 28, Norwood Park Road667 m away | 86 m² | 140 m² | +54 m² +63% | 2019 |
|---|
| 20, Knights Hill534 m away | 40 m² | 94 m² | +54 m² +135% | 2018 |
|---|
| 29, St Julians Farm Road330 m away | 71 m² | 125 m² | +54 m² +76% | 2010 |
|---|
| 135, Thornlaw Road430 m away | 143 m² | 196 m² | +53 m² +37% | 2021 |
|---|
| 29, Rommany Road996 m away | 83 m² | 136 m² | +53 m² +64% | 2020 |
|---|
| 43, Rommany Road996 m away | 98 m² | 150 m² | +52 m² +53% | 2024 |
|---|
| 61, Uffington Road610 m away | 87 m² | 139 m² | +52 m² +60% | 2020 |
|---|
| 14a, Chestnut Road775 m away | 108 m² | 159 m² | +51 m² +47% | 2015 |
|---|
| 45, Wolfington Road356 m away | 146 m² | 196 m² | +50 m² +34% | 2020 |
|---|
| 64, Selsdon Road479 m away | 137 m² | 187 m² | +50 m² +36% | 2017 |
|---|
| 297, Leigham Court Road628 m away | 137 m² | 186 m² | +49 m² +36% | 2026 |
|---|
| 95, Thurlestone Road500 m away | 40 m² | 89 m² | +49 m² +123% | 2025 |
|---|
| 39, Auckland Hill581 m away | 61 m² | 109 m² | +48 m² +79% | 2009 |
|---|
| 94, Norwood High Street282 m away | 34 m² | 80 m² | +46 m² +135% | 2015 |
|---|
| 89, Elder Road533 m away | 116 m² | 161 m² | +45 m² +39% | 2025 |
|---|
| 41, Eylewood Road564 m away | 86 m² | 131 m² | +45 m² +52% | 2025 |
|---|
| 28, Crown Dale607 m away | 111 m² | 156 m² | +45 m² +41% | 2024 |
|---|
| 1, St Julians Farm Road264 m away | 149 m² | 194 m² | +45 m² +30% | 2023 |
|---|
| 50, Robson Road926 m away | 67 m² | 112 m² | +45 m² +67% | 2023 |
|---|
| 25, Rockhampton Road645 m away | 76 m² | 121 m² | +45 m² +59% | 2021 |
|---|
| 5, Beaumont Road982 m away | 87 m² | 132 m² | +45 m² +52% | 2019 |
|---|
| 172, Central Hill990 m away | 79 m² | 124 m² | +45 m² +57% | 2018 |
|---|
| 339, Leigham Court Road656 m away | 141 m² | 185 m² | +44 m² +31% | 2026 |
|---|
| 96, Thornlaw Road397 m away | 63 m² | 107 m² | +44 m² +70% | 2023 |
|---|
| Flat 2, Fern Lodge, Crown Lane703 m away | 42 m² | 86 m² | +44 m² +105% | 2023 |
|---|
| 33, Royal Circus827 m away | 113 m² | 157 m² | +44 m² +39% | 2023 |
|---|
| 125, Tivoli Road499 m away | 81 m² | 125 m² | +44 m² +54% | 2020 |
|---|
| 69, Casewick Road152 m away | 130 m² | 173 m² | +43 m² +33% | 2023 |
|---|
| 23, St Cloud Road686 m away | 89 m² | 132 m² | +43 m² +48% | 2021 |
|---|
| 54, Tritton Road959 m away | 114 m² | 157 m² | +43 m² +38% | 2019 |
|---|
| 106, Broxholm Road834 m away | 145 m² | 187 m² | +42 m² +29% | 2023 |
|---|
| 23, Casewick Road152 m away | 144 m² | 186 m² | +42 m² +29% | 2022 |
|---|
| 18, Bewlys Road171 m away | 116 m² | 158 m² | +42 m² +36% | 2022 |
|---|
| 57, Moore Road778 m away | 74 m² | 116 m² | +42 m² +57% | 2020 |
|---|
| 128, Knollys Road940 m away | 69 m² | 111 m² | +42 m² +61% | 2019 |
|---|
| 57, St Julian'S Farm Road330 m away | 149 m² | 191 m² | +42 m² +28% | 2016 |
|---|
| 29a, Durban Road722 m away | 53 m² | 95 m² | +42 m² +79% | 2012 |
|---|
| 47, Rommany Road996 m away | 53 m² | 95 m² | +42 m² +79% | 2009 |
|---|
| 8, Windsor Close397 m away | 98 m² | 139 m² | +41 m² +42% | 2023 |
|---|
| 58, Cheviot Road239 m away | 123 m² | 163 m² | +40 m² +33% | 2023 |
|---|
| 3, Cheviot Road200 m away | 110 m² | 150 m² | +40 m² +36% | 2022 |
|---|
| 100, Cheviot Road239 m away | 108 m² | 148 m² | +40 m² +37% | 2022 |
|---|
| 62, Dassett Road320 m away | 80 m² | 120 m² | +40 m² +50% | 2022 |
|---|
| 51, Elder Road403 m away | 92 m² | 132 m² | +40 m² +43% | 2022 |
|---|
| 49, Rommany Road996 m away | 101 m² | 141 m² | +40 m² +40% | 2022 |
|---|
| 33, Ladas Road240 m away | 41 m² | 81 m² | +40 m² +98% | 2021 |
|---|
| 237, Leigham Court Road631 m away | 117 m² | 156 m² | +39 m² +33% | 2023 |
|---|
| 9, Tritton Road959 m away | 113 m² | 152 m² | +39 m² +35% | 2019 |
|---|
| 21a, Queen Mary Road881 m away | 55 m² | 94 m² | +39 m² +71% | 2018 |
|---|
| 54, Harpenden Road948 m away | 63 m² | 102 m² | +39 m² +62% | 2018 |
|---|
| 146, Knights Hill0 m away | 32 m² | 71 m² | +39 m² +122% | 2015 |
|---|
| 14, Auckland Hill641 m away | 51 m² | 90 m² | +39 m² +76% | 2014 |
|---|
| 245, Leigham Court Road631 m away | 114 m² | 152 m² | +38 m² +33% | 2026 |
|---|
| 10, Bradley Road794 m away | 84 m² | 122 m² | +38 m² +45% | 2026 |
|---|
| 24, Glennie Road821 m away | 102 m² | 140 m² | +38 m² +37% | 2024 |
|---|
| 65, Moore Road778 m away | 84 m² | 122 m² | +38 m² +45% | 2023 |
|---|
| 13, Chestnut Road845 m away | 182 m² | 220 m² | +38 m² +21% | 2021 |
|---|
| 49a, Queen Mary Road881 m away | 65 m² | 103 m² | +38 m² +58% | 2021 |
|---|
| 110, Casewick Road335 m away | 76 m² | 114 m² | +38 m² +50% | 2020 |
|---|
| 49, Wolfington Road356 m away | 126 m² | 164 m² | +38 m² +30% | 2020 |
|---|
| 29, Yeoman Close614 m away | 89 m² | 127 m² | +38 m² +43% | 2020 |
|---|
| 34, Wolfington Road332 m away | 47 m² | 85 m² | +38 m² +81% | 2013 |
|---|
| 9, Cheviot Road200 m away | 74 m² | 112 m² | +38 m² +51% | 2012 |
|---|
| 19, Valley Road996 m away | 100 m² | 137 m² | +37 m² +37% | 2024 |
|---|
| 56, Harpenden Road948 m away | 150 m² | 187 m² | +37 m² +25% | 2020 |
|---|
| 57, Glennie Road824 m away | 92 m² | 129 m² | +37 m² +40% | 2019 |
|---|
| 156, Central Hill990 m away | 87 m² | 124 m² | +37 m² +43% | 2014 |
|---|
| 104, Cheviot Road239 m away | 108 m² | 144 m² | +36 m² +33% | 2026 |
|---|
| 37, Cheviot Road200 m away | 106 m² | 142 m² | +36 m² +34% | 2025 |
|---|
| Flat E, 193, Rommany Road817 m away | 34 m² | 70 m² | +36 m² +106% | 2023 |
|---|
| 19, Beaumont Road982 m away | 82 m² | 118 m² | +36 m² +44% | 2023 |
|---|
| 31, Glennie Road824 m away | 95 m² | 131 m² | +36 m² +38% | 2022 |
|---|
| 39, Crown Lane653 m away | 33 m² | 69 m² | +36 m² +109% | 2020 |
|---|
| 49, Crown Lane653 m away | 202 m² | 238 m² | +36 m² +18% | 2018 |
|---|
| Flat 2, 3, Hannen Road467 m away | 36 m² | 72 m² | +36 m² +100% | 2017 |
|---|
| 32, Canterbury Grove649 m away | 83 m² | 119 m² | +36 m² +43% | 2017 |
|---|
| 55, Tivoli Road326 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
|---|
| 23, St Louis Road761 m away | 66 m² | 101 m² | +35 m² +53% | 2026 |
|---|
| 74a, Wolfington Road397 m away | 83 m² | 118 m² | +35 m² +42% | 2025 |
|---|
| 11, St Cloud Road686 m away | 102 m² | 137 m² | +35 m² +34% | 2025 |
|---|
| 8, St Louis Road826 m away | 89 m² | 124 m² | +35 m² +39% | 2024 |
|---|
| 117, Gipsy Road771 m away | 47 m² | 82 m² | +35 m² +74% | 2022 |
|---|
| 20, Champness Close886 m away | 73 m² | 108 m² | +35 m² +48% | 2021 |
|---|
| 14, Waldeck Grove696 m away | 82 m² | 117 m² | +35 m² +43% | 2019 |
|---|
| 47, Hamilton Road964 m away | 119 m² | 154 m² | +35 m² +29% | 2019 |
|---|
| 200, Casewick Road335 m away | 85 m² | 120 m² | +35 m² +41% | 2017 |
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| 105, Tivoli Road499 m away | 84 m² | 119 m² | +35 m² +42% | 2016 |
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| 21, Ivymount Road750 m away | 94 m² | 129 m² | +35 m² +37% | 2016 |
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| 26, Bloom Grove593 m away | 55 m² | 89 m² | +34 m² +62% | 2025 |
|---|
| 25, St Cloud Road686 m away | 91 m² | 125 m² | +34 m² +37% | 2024 |
|---|
| 26a, Durban Road735 m away | 64 m² | 98 m² | +34 m² +53% | 2021 |
|---|
| Flat 2, 75, Thornlaw Road236 m away | 68 m² | 102 m² | +34 m² +50% | 2019 |
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| Flat 1, 55, Wolfington Road356 m away | 49 m² | 83 m² | +34 m² +69% | 2016 |
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| 17, Hainthorpe Road471 m away | 144 m² | 178 m² | +34 m² +24% | 2011 |
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| 44, Dassett Road320 m away | 110 m² | 143 m² | +33 m² +30% | 2026 |
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| 15, Hubbard Road632 m away | 79 m² | 112 m² | +33 m² +42% | 2026 |
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| Flat 5, 40, Chestnut Road775 m away | 76 m² | 109 m² | +33 m² +43% | 2026 |
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| 58, Lamberhurst Road552 m away | 107 m² | 140 m² | +33 m² +31% | 2025 |
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| 83, Thornlaw Road236 m away | 122 m² | 155 m² | +33 m² +27% | 2024 |
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| 20, Waldeck Grove696 m away | 89 m² | 122 m² | +33 m² +37% | 2024 |
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| 91, Tivoli Road499 m away | 77 m² | 110 m² | +33 m² +43% | 2023 |
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| 147, Tivoli Road499 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
|---|
| 68, Auckland Hill514 m away | 118 m² | 151 m² | +33 m² +28% | 2023 |
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| 129, Casewick Road388 m away | 109 m² | 142 m² | +33 m² +30% | 2022 |
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| 119, Thornlaw Road430 m away | 96 m² | 129 m² | +33 m² +34% | 2022 |
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| 36, Crown Dale607 m away | 97 m² | 130 m² | +33 m² +34% | 2022 |
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| 12, Norwood Park Road667 m away | 88 m² | 121 m² | +33 m² +38% | 2022 |
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| 107, Gipsy Road771 m away | 71 m² | 104 m² | +33 m² +46% | 2022 |
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| 46, Henry Tate Mews881 m away | 104 m² | 137 m² | +33 m² +32% | 2022 |
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| 6, St Louis Road826 m away | 91 m² | 124 m² | +33 m² +36% | 2020 |
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| 66, Norwood Park Road667 m away | 85 m² | 118 m² | +33 m² +39% | 2014 |
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| 50, Crown Dale652 m away | 90 m² | 123 m² | +33 m² +37% | 2012 |
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| 62, Ladas Road240 m away | 73 m² | 105 m² | +32 m² +44% | 2026 |
|---|
| 4, Ivymount Road750 m away | 122 m² | 154 m² | +32 m² +26% | 2026 |
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| 96, Rommany Road862 m away | 74 m² | 106 m² | +32 m² +43% | 2026 |
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| 70, Valleyfield Road827 m away | 127 m² | 159 m² | +32 m² +25% | 2024 |
|---|
| 81, Casewick Road152 m away | 155 m² | 187 m² | +32 m² +21% | 2021 |
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| 46, Cheviot Road239 m away | 95 m² | 127 m² | +32 m² +34% | 2021 |
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| 91, Casewick Road388 m away | 97 m² | 129 m² | +32 m² +33% | 2019 |
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| 12, Ryecroft Road739 m away | 148 m² | 180 m² | +32 m² +22% | 2016 |
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| 29, Wolfington Road332 m away | 162 m² | 193 m² | +31 m² +19% | 2025 |
|---|
| 46, Norwood High Street358 m away | 42 m² | 73 m² | +31 m² +74% | 2022 |
|---|
| 48, Norwood High Street358 m away | 33 m² | 64 m² | +31 m² +94% | 2020 |
|---|
| 2, Dassett Road320 m away | 109 m² | 140 m² | +31 m² +28% | 2019 |
|---|
| 104a, Thornlaw Road397 m away | 40 m² | 71 m² | +31 m² +78% | 2019 |
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| 124, Canterbury Grove674 m away | 99 m² | 130 m² | +31 m² +31% | 2019 |
|---|
| 4, Vale Street914 m away | 95 m² | 126 m² | +31 m² +33% | 2015 |
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| 89, Valleyfield Road771 m away | 145 m² | 176 m² | +31 m² +21% | 2013 |
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| 3, Gibbs Square996 m away | 72 m² | 103 m² | +31 m² +43% | 2012 |
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| 18, Elder Gardens485 m away | 43 m² | 74 m² | +31 m² +72% | 2010 |
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| 4, Royal Circus704 m away | 95 m² | 125 m² | +30 m² +32% | 2024 |
|---|
| Flat 3, Fern Lodge, Crown Lane703 m away | 42 m² | 72 m² | +30 m² +71% | 2023 |
|---|
| 16, Dalton Street891 m away | 24 m² | 54 m² | +30 m² +125% | 2022 |
|---|
| 48, Robson Road926 m away | 65 m² | 95 m² | +30 m² +46% | 2022 |
|---|
| 30, Canterbury Grove649 m away | 87 m² | 117 m² | +30 m² +34% | 2020 |
|---|
| 121, Casewick Road388 m away | 100 m² | 130 m² | +30 m² +30% | 2018 |
|---|
| Flat B, 49, Broxholm Road911 m away | 55 m² | 85 m² | +30 m² +55% | 2016 |
|---|
| 77, Thurlestone Road500 m away | 146 m² | 176 m² | +30 m² +21% | 2012 |
|---|
| 17, Waldeck Grove696 m away | 82 m² | 112 m² | +30 m² +37% | 2012 |
|---|
| 37, Elder Gardens485 m away | 44 m² | 74 m² | +30 m² +68% | 2010 |
|---|
| 5, Cambrian Close850 m away | 86 m² | 115 m² | +29 m² +34% | 2026 |
|---|
| 94, Rommany Road862 m away | 82 m² | 111 m² | +29 m² +35% | 2026 |
|---|
| 47, Robson Road926 m away | 65 m² | 94 m² | +29 m² +45% | 2026 |
|---|
| 48, Hamilton Road914 m away | 93 m² | 122 m² | +29 m² +31% | 2025 |
|---|
| 64, Eylewood Road585 m away | 82 m² | 111 m² | +29 m² +35% | 2021 |
|---|
| 53, Ladas Road240 m away | 72 m² | 101 m² | +29 m² +40% | 2020 |
|---|
| 21, Norwood Park Road627 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 15, Norwood Park Road627 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 43, Norwood Park Road627 m away | 92 m² | 121 m² | +29 m² +32% | 2019 |
|---|
| Flat 4, 109, Broxholm Road879 m away | 41 m² | 70 m² | +29 m² +71% | 2019 |
|---|
| 38, Thornlaw Road199 m away | 41 m² | 70 m² | +29 m² +71% | 2017 |
|---|
| 16, Ryecroft Road739 m away | 179 m² | 208 m² | +29 m² +16% | 2015 |
|---|
| 34, Canterbury Grove649 m away | 82 m² | 111 m² | +29 m² +35% | 2014 |
|---|
| Flat 3, 91, Glennie Road824 m away | 46 m² | 75 m² | +29 m² +63% | 2010 |
|---|
| 41, Ladas Road240 m away | 76 m² | 104 m² | +28 m² +37% | 2026 |
|---|
| 10, Norwood Park Road667 m away | 86 m² | 114 m² | +28 m² +33% | 2026 |
|---|
| 35, Wolfington Road356 m away | 95 m² | 123 m² | +28 m² +29% | 2025 |
|---|
| 42, Ladas Road240 m away | 72 m² | 100 m² | +28 m² +39% | 2022 |
|---|
| 7, Royal Circus704 m away | 95 m² | 123 m² | +28 m² +29% | 2021 |
|---|
| 270, Knights Hill513 m away | 49 m² | 77 m² | +28 m² +57% | 2018 |
|---|
| 80, Knollys Road955 m away | 153 m² | 181 m² | +28 m² +18% | 2018 |
|---|
| 41, Norwood Park Road627 m away | 83 m² | 111 m² | +28 m² +34% | 2017 |
|---|
| 36, Uffington Road605 m away | 126 m² | 154 m² | +28 m² +22% | 2016 |
|---|
| 6, Norwood High Street457 m away | 45 m² | 73 m² | +28 m² +62% | 2015 |
|---|
| 1, Chatsworth Way877 m away | 55 m² | 83 m² | +28 m² +51% | 2010 |
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