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 9RY
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 |
|---|---|---|---|---|
| 102, Alleyn Road295 m away | 308 m² | 480 m² | +172 m² +56% | 2019 |
| 83, Alleyn Road362 m away | 130 m² | 287 m² | +157 m² +121% | 2011 |
| 33, Carson Road957 m away | 191 m² | 347 m² | +156 m² +82% | 2024 |
| 89, Alleyn Road362 m away | 169 m² | 322 m² | +153 m² +91% | 2023 |
| 16, Acacia Grove826 m away | 108 m² | 253 m² | +145 m² +134% | 2021 |
| 2, Alleyn Park517 m away | 164 m² | 308 m² | +144 m² +88% | 2025 |
| 90, College Road959 m away | 159 m² | 300 m² | +141 m² +89% | 2022 |
| 55, Chestnut Road735 m away | 99 m² | 222 m² | +123 m² +124% | 2022 |
| 75, Rosendale Road721 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.
| 191 m² |
| +106 m² +125% |
| 2021 |
| 6, Elder Road626 m away | 66 m² | 160 m² | +94 m² +142% | 2014 |
|---|
| 5, Gipsy Road Gardens533 m away | 85 m² | 176 m² | +91 m² +107% | 2014 |
|---|
| 75, Clive Road124 m away | 193 m² | 283 m² | +90 m² +47% | 2025 |
|---|
| 2, Ardlui Road708 m away | 178 m² | 266 m² | +88 m² +49% | 2011 |
|---|
| 101, South Croxted Road321 m away | 84 m² | 168 m² | +84 m² +100% | 2015 |
|---|
| 52b, Alexandra Drive928 m away | 72 m² | 154 m² | +82 m² +114% | 2018 |
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| 17, Dassett Road909 m away | 79 m² | 160 m² | +81 m² +103% | 2020 |
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| 25, Dalmore Road954 m away | 199 m² | 274 m² | +75 m² +38% | 2024 |
|---|
| 14, Alleyn Crescent685 m away | 105 m² | 179 m² | +74 m² +70% | 2020 |
|---|
| 27, Chatsworth Way902 m away | 107 m² | 179 m² | +72 m² +67% | 2025 |
|---|
| 9, Ferrings944 m away | 132 m² | 204 m² | +72 m² +55% | 2014 |
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| 23a, Park Hall Road569 m away | 181 m² | 251 m² | +70 m² +39% | 2016 |
|---|
| 141g, Central Hill915 m away | 51 m² | 120 m² | +69 m² +135% | 2014 |
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| 43, Dulwich Wood Avenue955 m away | 93 m² | 161 m² | +68 m² +73% | 2025 |
|---|
| 59, South Croxted Road321 m away | 168 m² | 234 m² | +66 m² +39% | 2026 |
|---|
| 35, Hunters Meadow659 m away | 45 m² | 111 m² | +66 m² +147% | 2017 |
|---|
| 37a, Alleyn Park595 m away | 281 m² | 346 m² | +65 m² +23% | 2026 |
|---|
| 209, Clive Road469 m away | 141 m² | 206 m² | +65 m² +46% | 2020 |
|---|
| 44, Elder Road788 m away | 86 m² | 150 m² | +64 m² +74% | 2024 |
|---|
| 14, Hitherwood Drive956 m away | 150 m² | 213 m² | +63 m² +42% | 2018 |
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| 37, Tulsemere Road879 m away | 102 m² | 164 m² | +62 m² +61% | 2022 |
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| 110, College Road982 m away | 247 m² | 309 m² | +62 m² +25% | 2022 |
|---|
| 3, Darlington Road917 m away | 57 m² | 118 m² | +61 m² +107% | 2022 |
|---|
| 19, Dalton Street991 m away | 46 m² | 107 m² | +61 m² +133% | 2020 |
|---|
| 21, Eylewood Road544 m away | 80 m² | 140 m² | +60 m² +75% | 2026 |
|---|
| Flat 2, 5, Martell Road491 m away | 42 m² | 101 m² | +59 m² +140% | 2024 |
|---|
| 26, Rouse Gardens581 m away | 131 m² | 190 m² | +59 m² +45% | 2023 |
|---|
| 94, Alleyn Road295 m away | 192 m² | 250 m² | +58 m² +30% | 2017 |
|---|
| 3, Pennington Close199 m away | 75 m² | 132 m² | +57 m² +76% | 2024 |
|---|
| 16, Oaks Avenue583 m away | 113 m² | 170 m² | +57 m² +50% | 2022 |
|---|
| 214a, Gipsy Road510 m away | 49 m² | 106 m² | +57 m² +116% | 2013 |
|---|
| 140, Rommany Road200 m away | 88 m² | 144 m² | +56 m² +64% | 2022 |
|---|
| 32, Bloomhall Road808 m away | 72 m² | 128 m² | +56 m² +78% | 2014 |
|---|
| 1b, Rosendale Road297 m away | 83 m² | 138 m² | +55 m² +66% | 2026 |
|---|
| 29, Eylewood Road544 m away | 80 m² | 135 m² | +55 m² +69% | 2021 |
|---|
| 63, Clive Road173 m away | 95 m² | 150 m² | +55 m² +58% | 2020 |
|---|
| 17, Colby Road972 m away | 77 m² | 131 m² | +54 m² +70% | 2022 |
|---|
| 205b, South Croxted Road338 m away | 72 m² | 126 m² | +54 m² +75% | 2020 |
|---|
| 28, Norwood Park Road616 m away | 86 m² | 140 m² | +54 m² +63% | 2019 |
|---|
| 20, Knights Hill841 m away | 40 m² | 94 m² | +54 m² +135% | 2018 |
|---|
| 66a, Park Hall Road617 m away | 77 m² | 131 m² | +54 m² +70% | 2016 |
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| 11, Carson Road957 m away | 122 m² | 175 m² | +53 m² +43% | 2022 |
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| 29, Rommany Road331 m away | 83 m² | 136 m² | +53 m² +64% | 2020 |
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| 48, Clive Road195 m away | 103 m² | 155 m² | +52 m² +50% | 2026 |
|---|
| 5, Lavengro Road896 m away | 92 m² | 144 m² | +52 m² +57% | 2025 |
|---|
| 113, South Croxted Road228 m away | 151 m² | 203 m² | +52 m² +34% | 2024 |
|---|
| 43, Rommany Road331 m away | 98 m² | 150 m² | +52 m² +53% | 2024 |
|---|
| 156, Knights Hill909 m away | 74 m² | 126 m² | +52 m² +70% | 2016 |
|---|
| 195, Clive Road469 m away | 173 m² | 225 m² | +52 m² +30% | 2013 |
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| 29, Rouse Gardens581 m away | 109 m² | 160 m² | +51 m² +47% | 2018 |
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| 14a, Chestnut Road729 m away | 108 m² | 159 m² | +51 m² +47% | 2015 |
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| 11, Hexham Road901 m away | 78 m² | 128 m² | +50 m² +64% | 2019 |
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| 36, Rouse Gardens581 m away | 121 m² | 170 m² | +49 m² +40% | 2024 |
|---|
| 46, Alleyn Park717 m away | 118 m² | 167 m² | +49 m² +42% | 2024 |
|---|
| 55, Alleyn Road362 m away | 195 m² | 244 m² | +49 m² +25% | 2016 |
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| 83, Clive Road124 m away | 95 m² | 144 m² | +49 m² +52% | 2011 |
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| 162, Gipsy Road349 m away | 48 m² | 97 m² | +49 m² +102% | 2008 |
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| 4, Oaks Avenue583 m away | 139 m² | 187 m² | +48 m² +35% | 2025 |
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| 18, Lavengro Road896 m away | 102 m² | 150 m² | +48 m² +47% | 2023 |
|---|
| 36, Park Hall Road552 m away | 135 m² | 183 m² | +48 m² +36% | 2016 |
|---|
| 62, Tulsemere Road891 m away | 100 m² | 148 m² | +48 m² +48% | 2016 |
|---|
| 3, Lavengro Road896 m away | 106 m² | 153 m² | +47 m² +44% | 2025 |
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| 18, Hexham Road898 m away | 102 m² | 149 m² | +47 m² +46% | 2025 |
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| 12a, Lancaster Avenue982 m away | 90 m² | 136 m² | +46 m² +51% | 2024 |
|---|
| 203, Clive Road469 m away | 187 m² | 233 m² | +46 m² +25% | 2018 |
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| 94, Norwood High Street646 m away | 34 m² | 80 m² | +46 m² +135% | 2015 |
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| 41, Eylewood Road544 m away | 86 m² | 131 m² | +45 m² +52% | 2025 |
|---|
| 89, Elder Road694 m away | 116 m² | 161 m² | +45 m² +39% | 2025 |
|---|
| 49, Rosendale Road432 m away | 55 m² | 100 m² | +45 m² +82% | 2023 |
|---|
| 50, Robson Road579 m away | 67 m² | 112 m² | +45 m² +67% | 2023 |
|---|
| 1, St Julians Farm Road908 m away | 149 m² | 194 m² | +45 m² +30% | 2023 |
|---|
| 172, Central Hill850 m away | 79 m² | 124 m² | +45 m² +57% | 2018 |
|---|
| 46, Lavengro Road896 m away | 99 m² | 143 m² | +44 m² +44% | 2025 |
|---|
| 82, College Road983 m away | 65 m² | 109 m² | +44 m² +68% | 2025 |
|---|
| 125, Tivoli Road931 m away | 81 m² | 125 m² | +44 m² +54% | 2020 |
|---|
| 73, Clive Road124 m away | 95 m² | 138 m² | +43 m² +45% | 2025 |
|---|
| 10, Grazeley Court669 m away | 99 m² | 142 m² | +43 m² +43% | 2025 |
|---|
| 20, Berridge Road704 m away | 93 m² | 136 m² | +43 m² +46% | 2024 |
|---|
| 37, Clive Road173 m away | 91 m² | 134 m² | +43 m² +47% | 2023 |
|---|
| 23, St Cloud Road223 m away | 89 m² | 132 m² | +43 m² +48% | 2021 |
|---|
| 54, Tritton Road262 m away | 114 m² | 157 m² | +43 m² +38% | 2019 |
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| 32, Lavengro Road896 m away | 106 m² | 148 m² | +42 m² +40% | 2014 |
|---|
| 183, Clive Road469 m away | 146 m² | 188 m² | +42 m² +29% | 2013 |
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| 29a, Durban Road194 m away | 53 m² | 95 m² | +42 m² +79% | 2012 |
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| 4, Leonora Tyson Mews846 m away | 42 m² | 84 m² | +42 m² +100% | 2009 |
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| 5, Leonora Tyson Mews846 m away | 42 m² | 84 m² | +42 m² +100% | 2009 |
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| 205a, South Croxted Road338 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
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| 8, Windsor Close513 m away | 98 m² | 139 m² | +41 m² +42% | 2023 |
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| 49, Rommany Road331 m away | 101 m² | 141 m² | +40 m² +40% | 2022 |
|---|
| 51, Elder Road612 m away | 92 m² | 132 m² | +40 m² +43% | 2022 |
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| 62, Dassett Road927 m away | 80 m² | 120 m² | +40 m² +50% | 2022 |
|---|
| 33, Ladas Road770 m away | 41 m² | 81 m² | +40 m² +98% | 2021 |
|---|
| 62, Clive Road195 m away | 95 m² | 135 m² | +40 m² +42% | 2020 |
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| 140a, Clive Road306 m away | 64 m² | 103 m² | +39 m² +61% | 2023 |
|---|
| 12, Chancellor Grove653 m away | 75 m² | 114 m² | +39 m² +52% | 2022 |
|---|
| 9, Tritton Road262 m away | 113 m² | 152 m² | +39 m² +35% | 2019 |
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| 146, Knights Hill909 m away | 32 m² | 71 m² | +39 m² +122% | 2015 |
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| 14, Auckland Hill291 m away | 51 m² | 90 m² | +39 m² +76% | 2014 |
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| 202, Gipsy Road510 m away | 99 m² | 137 m² | +38 m² +38% | 2024 |
|---|
| 13, Chestnut Road735 m away | 182 m² | 220 m² | +38 m² +21% | 2021 |
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| 34, Wolfington Road905 m away | 47 m² | 85 m² | +38 m² +81% | 2013 |
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| 54, Rommany Road386 m away | 80 m² | 117 m² | +37 m² +46% | 2025 |
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| 4, Alexandra Walk919 m away | 71 m² | 108 m² | +37 m² +52% | 2022 |
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| 156, Central Hill850 m away | 87 m² | 124 m² | +37 m² +43% | 2014 |
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| Flat E, 193, Rommany Road164 m away | 34 m² | 70 m² | +36 m² +106% | 2023 |
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| 34, Little Bornes602 m away | 106 m² | 142 m² | +36 m² +34% | 2023 |
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| Flat 2, 3, Hannen Road775 m away | 36 m² | 72 m² | +36 m² +100% | 2017 |
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| 23, St Louis Road277 m away | 66 m² | 101 m² | +35 m² +53% | 2026 |
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| 55, Tivoli Road774 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
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| 11, St Cloud Road223 m away | 102 m² | 137 m² | +35 m² +34% | 2025 |
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| 8, St Louis Road277 m away | 89 m² | 124 m² | +35 m² +39% | 2024 |
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| 71, Clive Road124 m away | 104 m² | 139 m² | +35 m² +34% | 2023 |
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| 117, Gipsy Road304 m away | 47 m² | 82 m² | +35 m² +74% | 2022 |
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| 2, Baird Gardens639 m away | 87 m² | 122 m² | +35 m² +40% | 2022 |
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| 20, Champness Close127 m away | 73 m² | 108 m² | +35 m² +48% | 2021 |
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| 47, Hamilton Road83 m away | 119 m² | 154 m² | +35 m² +29% | 2019 |
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| 105, Tivoli Road931 m away | 84 m² | 119 m² | +35 m² +42% | 2016 |
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| 84a, Idmiston Road770 m away | 84 m² | 119 m² | +35 m² +42% | 2009 |
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| 10, Barston Road705 m away | 53 m² | 87 m² | +34 m² +64% | 2026 |
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| 26, Bloom Grove895 m away | 55 m² | 89 m² | +34 m² +62% | 2025 |
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| 25, St Cloud Road223 m away | 91 m² | 125 m² | +34 m² +37% | 2024 |
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| 46, Norwood High Street668 m away | 39 m² | 73 m² | +34 m² +87% | 2022 |
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| 26a, Durban Road200 m away | 64 m² | 98 m² | +34 m² +53% | 2021 |
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| 5, Eastmearn Road791 m away | 184 m² | 218 m² | +34 m² +18% | 2019 |
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| 15, Ferrings944 m away | 121 m² | 155 m² | +34 m² +28% | 2015 |
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| 82a, South Croxted Road366 m away | 47 m² | 81 m² | +34 m² +72% | 2011 |
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| 15, Hubbard Road312 m away | 79 m² | 112 m² | +33 m² +42% | 2026 |
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| Flat 5, 40, Chestnut Road729 m away | 76 m² | 109 m² | +33 m² +43% | 2026 |
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| 44, Dassett Road927 m away | 110 m² | 143 m² | +33 m² +30% | 2026 |
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| 68, Auckland Hill498 m away | 118 m² | 151 m² | +33 m² +28% | 2023 |
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| 91, Tivoli Road931 m away | 77 m² | 110 m² | +33 m² +43% | 2023 |
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| 147, Tivoli Road931 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
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| 107, Gipsy Road304 m away | 71 m² | 104 m² | +33 m² +46% | 2022 |
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| 12, Norwood Park Road616 m away | 88 m² | 121 m² | +33 m² +38% | 2022 |
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| 6, St Louis Road277 m away | 91 m² | 124 m² | +33 m² +36% | 2020 |
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| 153, Clive Road318 m away | 60 m² | 93 m² | +33 m² +55% | 2016 |
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| 56, Alexandra Drive928 m away | 132 m² | 165 m² | +33 m² +25% | 2015 |
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| 89, Clive Road124 m away | 140 m² | 173 m² | +33 m² +24% | 2014 |
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| 66, Norwood Park Road616 m away | 85 m² | 118 m² | +33 m² +39% | 2014 |
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| 96, Rommany Road200 m away | 74 m² | 106 m² | +32 m² +43% | 2026 |
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| 62, Ladas Road815 m away | 73 m² | 105 m² | +32 m² +44% | 2026 |
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| 225, Clive Road469 m away | 61 m² | 93 m² | +32 m² +52% | 2023 |
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| 79a, Rosendale Road721 m away | 61 m² | 93 m² | +32 m² +52% | 2021 |
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| Flat 2, 64, Alexandra Drive928 m away | 120 m² | 152 m² | +32 m² +27% | 2019 |
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| 61b, Rosendale Road432 m away | 87 m² | 119 m² | +32 m² +37% | 2011 |
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| 29, Wolfington Road905 m away | 162 m² | 193 m² | +31 m² +19% | 2025 |
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| 12, Rosendale Road394 m away | 146 m² | 177 m² | +31 m² +21% | 2022 |
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| 2, Dassett Road927 m away | 109 m² | 140 m² | +31 m² +28% | 2019 |
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| 4, Vale Street177 m away | 95 m² | 126 m² | +31 m² +33% | 2015 |
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| 20, Rommany Road386 m away | 47 m² | 78 m² | +31 m² +66% | 2013 |
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| 3, Gibbs Square777 m away | 72 m² | 103 m² | +31 m² +43% | 2012 |
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| 90, Idmiston Road770 m away | 94 m² | 125 m² | +31 m² +33% | 2011 |
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| 18, Elder Gardens502 m away | 43 m² | 74 m² | +31 m² +72% | 2010 |
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| 13, Chalford Road196 m away | 68 m² | 98 m² | +30 m² +44% | 2024 |
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| 74, Rosendale Road394 m away | 119 m² | 149 m² | +30 m² +25% | 2024 |
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| 48, Robson Road579 m away | 65 m² | 95 m² | +30 m² +46% | 2022 |
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| 16, Dalton Street991 m away | 24 m² | 54 m² | +30 m² +125% | 2022 |
|---|
| 76, South Croxted Road366 m away | 196 m² | 226 m² | +30 m² +15% | 2013 |
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| 37, Elder Gardens502 m away | 44 m² | 74 m² | +30 m² +68% | 2010 |
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| 94, Rommany Road200 m away | 82 m² | 111 m² | +29 m² +35% | 2026 |
|---|
| 47, Robson Road579 m away | 65 m² | 94 m² | +29 m² +45% | 2026 |
|---|
| 48, Hamilton Road120 m away | 93 m² | 122 m² | +29 m² +31% | 2025 |
|---|
| 123, Clive Road318 m away | 108 m² | 137 m² | +29 m² +27% | 2025 |
|---|
| 22, South Croxted Road542 m away | 170 m² | 199 m² | +29 m² +17% | 2021 |
|---|
| 64, Eylewood Road571 m away | 82 m² | 111 m² | +29 m² +35% | 2021 |
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| 21, Norwood Park Road601 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 15, Norwood Park Road601 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 53, Ladas Road770 m away | 72 m² | 101 m² | +29 m² +40% | 2020 |
|---|
| 43, Norwood Park Road601 m away | 92 m² | 121 m² | +29 m² +32% | 2019 |
|---|
| 86b, South Croxted Road366 m away | 30 m² | 59 m² | +29 m² +97% | 2017 |
|---|
| 10, Norwood Park Road616 m away | 86 m² | 114 m² | +28 m² +33% | 2026 |
|---|
| 7, Chancellor Grove645 m away | 96 m² | 124 m² | +28 m² +29% | 2026 |
|---|
| 41, Ladas Road770 m away | 76 m² | 104 m² | +28 m² +37% | 2026 |
|---|
| 22, Colby Road972 m away | 107 m² | 135 m² | +28 m² +26% | 2026 |
|---|
| 2, Grazeley Court669 m away | 112 m² | 140 m² | +28 m² +25% | 2025 |
|---|
| 161, South Croxted Road338 m away | 157 m² | 185 m² | +28 m² +18% | 2022 |
|---|
| 42, Ladas Road815 m away | 72 m² | 100 m² | +28 m² +39% | 2022 |
|---|
| 93, Hamilton Road282 m away | 84 m² | 112 m² | +28 m² +33% | 2021 |
|---|
| 32, Rommany Road386 m away | 77 m² | 105 m² | +28 m² +36% | 2021 |
|---|
| 41, Norwood Park Road601 m away | 83 m² | 111 m² | +28 m² +34% | 2017 |
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| 4, Norwood High Street736 m away | 64 m² | 92 m² | +28 m² +44% | 2017 |
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| 6, Norwood High Street736 m away | 45 m² | 73 m² | +28 m² +62% | 2015 |
|---|
| 1, Chatsworth Way935 m away | 55 m² | 83 m² | +28 m² +51% | 2010 |
|---|
| 30, Norwood Park Road616 m away | 82 m² | 109 m² | +27 m² +33% | 2026 |
|---|
| 146, St Louis Road251 m away | 66 m² | 93 m² | +27 m² +41% | 2025 |
|---|
| 90a, Idmiston Road770 m away | 98 m² | 125 m² | +27 m² +28% | 2025 |
|---|
| 39, Colby Road972 m away | 137 m² | 164 m² | +27 m² +20% | 2024 |
|---|
| 18, Croxted Road695 m away | 146 m² | 173 m² | +27 m² +18% | 2022 |
|---|
| 154, Knights Hill909 m away | 58 m² | 85 m² | +27 m² +47% | 2020 |
|---|
| Flat 31, Glenhurst Court, Farquhar Road970 m away | 52 m² | 79 m² | +27 m² +52% | 2020 |
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| 3, Glazebrook Close982 m away | 58 m² | 85 m² | +27 m² +47% | 2019 |
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