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 9QS
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 Road487 m away | 308 m² | 480 m² | +172 m² +56% | 2019 |
| 83, Alleyn Road589 m away | 130 m² | 287 m² | +157 m² +121% | 2011 |
| 89, Alleyn Road589 m away | 169 m² | 322 m² | +153 m² +91% | 2023 |
| 2, Alleyn Park608 m away | 164 m² | 308 m² | +144 m² +88% | 2025 |
| 55, Chestnut Road906 m away | 99 m² | 222 m² | +123 m² +124% | 2022 |
| 75, Rosendale Road997 m away | 85 m² | 191 m² | +106 m² +125% | 2021 |
| 6, Elder Road440 m away | 66 m² | 160 m² | +94 m² +142% | 2014 |
| 15, Bewlys Road849 m away | 110 m² | 203 m² | +93 m² +85% | 2025 |
| 5, Gipsy Road Gardens316 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.
| 176 m² |
| +91 m² +107% |
| 2014 |
| 75, Clive Road407 m away | 193 m² | 283 m² | +90 m² +47% | 2025 |
|---|
| 38, Victoria Crescent813 m away | 64 m² | 152 m² | +88 m² +138% | 2022 |
|---|
| 2, Ardlui Road921 m away | 178 m² | 266 m² | +88 m² +49% | 2011 |
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| 101, South Croxted Road618 m away | 84 m² | 168 m² | +84 m² +100% | 2015 |
|---|
| 52b, Alexandra Drive716 m away | 72 m² | 154 m² | +82 m² +114% | 2018 |
|---|
| 17, Dassett Road687 m away | 79 m² | 160 m² | +81 m² +103% | 2020 |
|---|
| 14, Alleyn Crescent988 m away | 105 m² | 179 m² | +74 m² +70% | 2020 |
|---|
| 23a, Park Hall Road839 m away | 181 m² | 251 m² | +70 m² +39% | 2016 |
|---|
| 141g, Central Hill630 m away | 51 m² | 120 m² | +69 m² +135% | 2014 |
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| 43, Dulwich Wood Avenue879 m away | 93 m² | 161 m² | +68 m² +73% | 2025 |
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| 55, Casewick Road918 m away | 121 m² | 189 m² | +68 m² +56% | 2025 |
|---|
| 59, South Croxted Road618 m away | 168 m² | 234 m² | +66 m² +39% | 2026 |
|---|
| 35, Hunters Meadow664 m away | 45 m² | 111 m² | +66 m² +147% | 2017 |
|---|
| 209, Clive Road765 m away | 141 m² | 206 m² | +65 m² +46% | 2020 |
|---|
| 44, Elder Road497 m away | 86 m² | 150 m² | +64 m² +74% | 2024 |
|---|
| 3, Darlington Road718 m away | 57 m² | 118 m² | +61 m² +107% | 2022 |
|---|
| 21, Eylewood Road274 m away | 80 m² | 140 m² | +60 m² +75% | 2026 |
|---|
| Flat 2, 5, Martell Road762 m away | 42 m² | 101 m² | +59 m² +140% | 2024 |
|---|
| 26, Rouse Gardens669 m away | 131 m² | 190 m² | +59 m² +45% | 2023 |
|---|
| 94, Alleyn Road487 m away | 192 m² | 250 m² | +58 m² +30% | 2017 |
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| 3, Pennington Close272 m away | 75 m² | 132 m² | +57 m² +76% | 2024 |
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| 16, Oaks Avenue482 m away | 113 m² | 170 m² | +57 m² +50% | 2022 |
|---|
| 214a, Gipsy Road453 m away | 49 m² | 106 m² | +57 m² +116% | 2013 |
|---|
| 140, Rommany Road125 m away | 88 m² | 144 m² | +56 m² +64% | 2022 |
|---|
| 32, Bloomhall Road545 m away | 72 m² | 128 m² | +56 m² +78% | 2014 |
|---|
| 1b, Rosendale Road589 m away | 83 m² | 138 m² | +55 m² +66% | 2026 |
|---|
| 49, Bradley Road897 m away | 83 m² | 138 m² | +55 m² +66% | 2022 |
|---|
| 29, Eylewood Road274 m away | 80 m² | 135 m² | +55 m² +69% | 2021 |
|---|
| 63, Clive Road310 m away | 95 m² | 150 m² | +55 m² +58% | 2020 |
|---|
| 20a, Oxford Road800 m away | 47 m² | 102 m² | +55 m² +117% | 2020 |
|---|
| 11, Cheviot Road953 m away | 105 m² | 159 m² | +54 m² +51% | 2023 |
|---|
| 17, Colby Road885 m away | 77 m² | 131 m² | +54 m² +70% | 2022 |
|---|
| 205b, South Croxted Road412 m away | 72 m² | 126 m² | +54 m² +75% | 2020 |
|---|
| 28, Norwood Park Road317 m away | 86 m² | 140 m² | +54 m² +63% | 2019 |
|---|
| 20, Knights Hill891 m away | 40 m² | 94 m² | +54 m² +135% | 2018 |
|---|
| 66a, Park Hall Road920 m away | 77 m² | 131 m² | +54 m² +70% | 2016 |
|---|
| 29, Rommany Road225 m away | 83 m² | 136 m² | +53 m² +64% | 2020 |
|---|
| 48, Clive Road347 m away | 103 m² | 155 m² | +52 m² +50% | 2026 |
|---|
| 43, Rommany Road225 m away | 98 m² | 150 m² | +52 m² +53% | 2024 |
|---|
| 113, South Croxted Road460 m away | 151 m² | 203 m² | +52 m² +34% | 2024 |
|---|
| Flat B, 16, Rockmount Road983 m away | 47 m² | 99 m² | +52 m² +111% | 2016 |
|---|
| 195, Clive Road765 m away | 173 m² | 225 m² | +52 m² +30% | 2013 |
|---|
| 29, Rouse Gardens669 m away | 109 m² | 160 m² | +51 m² +47% | 2018 |
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| 14a, Chestnut Road877 m away | 108 m² | 159 m² | +51 m² +47% | 2015 |
|---|
| 22, Becondale Road866 m away | 87 m² | 138 m² | +51 m² +59% | 2009 |
|---|
| 36, Rouse Gardens669 m away | 121 m² | 170 m² | +49 m² +40% | 2024 |
|---|
| 55, Alleyn Road589 m away | 195 m² | 244 m² | +49 m² +25% | 2016 |
|---|
| 83, Clive Road407 m away | 95 m² | 144 m² | +49 m² +52% | 2011 |
|---|
| 4, Oaks Avenue482 m away | 139 m² | 187 m² | +48 m² +35% | 2025 |
|---|
| 36, Park Hall Road832 m away | 135 m² | 183 m² | +48 m² +36% | 2016 |
|---|
| 39, Auckland Hill273 m away | 61 m² | 109 m² | +48 m² +79% | 2009 |
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| 203, Clive Road765 m away | 187 m² | 233 m² | +46 m² +25% | 2018 |
|---|
| 94, Norwood High Street569 m away | 34 m² | 80 m² | +46 m² +135% | 2015 |
|---|
| 41, Eylewood Road274 m away | 86 m² | 131 m² | +45 m² +52% | 2025 |
|---|
| 89, Elder Road417 m away | 116 m² | 161 m² | +45 m² +39% | 2025 |
|---|
| 28, Crown Dale949 m away | 111 m² | 156 m² | +45 m² +41% | 2024 |
|---|
| 49, Rosendale Road718 m away | 55 m² | 100 m² | +45 m² +82% | 2023 |
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| 50, Robson Road800 m away | 67 m² | 112 m² | +45 m² +67% | 2023 |
|---|
| 1, St Julians Farm Road857 m away | 149 m² | 194 m² | +45 m² +30% | 2023 |
|---|
| 52a, Victoria Crescent813 m away | 31 m² | 76 m² | +45 m² +145% | 2022 |
|---|
| 172, Central Hill561 m away | 79 m² | 124 m² | +45 m² +57% | 2018 |
|---|
| 125, Tivoli Road661 m away | 81 m² | 125 m² | +44 m² +54% | 2020 |
|---|
| 73, Clive Road407 m away | 95 m² | 138 m² | +43 m² +45% | 2025 |
|---|
| 10, Grazeley Court621 m away | 99 m² | 142 m² | +43 m² +43% | 2025 |
|---|
| 20, Berridge Road527 m away | 93 m² | 136 m² | +43 m² +46% | 2024 |
|---|
| 37, Clive Road310 m away | 91 m² | 134 m² | +43 m² +47% | 2023 |
|---|
| 69, Casewick Road918 m away | 130 m² | 173 m² | +43 m² +33% | 2023 |
|---|
| 23, St Cloud Road267 m away | 89 m² | 132 m² | +43 m² +48% | 2021 |
|---|
| 54, Tritton Road543 m away | 114 m² | 157 m² | +43 m² +38% | 2019 |
|---|
| 8, Becondale Road866 m away | 42 m² | 84 m² | +42 m² +100% | 2026 |
|---|
| 18, Bewlys Road849 m away | 116 m² | 158 m² | +42 m² +36% | 2022 |
|---|
| 23, Casewick Road918 m away | 144 m² | 186 m² | +42 m² +29% | 2022 |
|---|
| 57, Moore Road936 m away | 74 m² | 116 m² | +42 m² +57% | 2020 |
|---|
| 183, Clive Road765 m away | 146 m² | 188 m² | +42 m² +29% | 2013 |
|---|
| 29a, Durban Road291 m away | 53 m² | 95 m² | +42 m² +79% | 2012 |
|---|
| 47, Rommany Road225 m away | 53 m² | 95 m² | +42 m² +79% | 2009 |
|---|
| 205a, South Croxted Road412 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
|---|
| 8, Windsor Close403 m away | 98 m² | 139 m² | +41 m² +42% | 2023 |
|---|
| 49, Rommany Road225 m away | 101 m² | 141 m² | +40 m² +40% | 2022 |
|---|
| 51, Elder Road394 m away | 92 m² | 132 m² | +40 m² +43% | 2022 |
|---|
| 62, Dassett Road696 m away | 80 m² | 120 m² | +40 m² +50% | 2022 |
|---|
| 3, Cheviot Road953 m away | 110 m² | 150 m² | +40 m² +36% | 2022 |
|---|
| 33, Ladas Road575 m away | 41 m² | 81 m² | +40 m² +98% | 2021 |
|---|
| 62, Clive Road347 m away | 95 m² | 135 m² | +40 m² +42% | 2020 |
|---|
| 140a, Clive Road609 m away | 64 m² | 103 m² | +39 m² +61% | 2023 |
|---|
| 12, Chancellor Grove915 m away | 75 m² | 114 m² | +39 m² +52% | 2022 |
|---|
| 9, Tritton Road543 m away | 113 m² | 152 m² | +39 m² +35% | 2019 |
|---|
| 146, Knights Hill771 m away | 32 m² | 71 m² | +39 m² +122% | 2015 |
|---|
| 12, Becondale Road866 m away | 48 m² | 87 m² | +39 m² +81% | 2015 |
|---|
| 14, Auckland Hill179 m away | 51 m² | 90 m² | +39 m² +76% | 2014 |
|---|
| 10, Bradley Road921 m away | 84 m² | 122 m² | +38 m² +45% | 2026 |
|---|
| 202, Gipsy Road453 m away | 99 m² | 137 m² | +38 m² +38% | 2024 |
|---|
| 65, Moore Road936 m away | 84 m² | 122 m² | +38 m² +45% | 2023 |
|---|
| 13, Chestnut Road906 m away | 182 m² | 220 m² | +38 m² +21% | 2021 |
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| 34, Wolfington Road878 m away | 47 m² | 85 m² | +38 m² +81% | 2013 |
|---|
| 9, Cheviot Road953 m away | 74 m² | 112 m² | +38 m² +51% | 2012 |
|---|
| 54, Rommany Road333 m away | 80 m² | 117 m² | +37 m² +46% | 2025 |
|---|
| 4, Alexandra Walk739 m away | 71 m² | 108 m² | +37 m² +52% | 2022 |
|---|
| 156, Central Hill561 m away | 87 m² | 124 m² | +37 m² +43% | 2014 |
|---|
| 37, Cheviot Road953 m away | 106 m² | 142 m² | +36 m² +34% | 2025 |
|---|
| Flat E, 193, Rommany Road140 m away | 34 m² | 70 m² | +36 m² +106% | 2023 |
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| 34, Little Bornes760 m away | 106 m² | 142 m² | +36 m² +34% | 2023 |
|---|
| Flat 2, 3, Hannen Road807 m away | 36 m² | 72 m² | +36 m² +100% | 2017 |
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| 23, St Louis Road34 m away | 66 m² | 101 m² | +35 m² +53% | 2026 |
|---|
| 55, Tivoli Road548 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
|---|
| 11, St Cloud Road267 m away | 102 m² | 137 m² | +35 m² +34% | 2025 |
|---|
| 8, St Louis Road57 m away | 89 m² | 124 m² | +35 m² +39% | 2024 |
|---|
| 71, Clive Road407 m away | 104 m² | 139 m² | +35 m² +34% | 2023 |
|---|
| 117, Gipsy Road0 m away | 47 m² | 82 m² | +35 m² +74% | 2022 |
|---|
| 2, Baird Gardens671 m away | 87 m² | 122 m² | +35 m² +40% | 2022 |
|---|
| 20, Champness Close192 m away | 73 m² | 108 m² | +35 m² +48% | 2021 |
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| Ground Floor, 6, Essex Grove930 m away | 59 m² | 94 m² | +35 m² +59% | 2021 |
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| 47, Hamilton Road295 m away | 119 m² | 154 m² | +35 m² +29% | 2019 |
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| 105, Tivoli Road661 m away | 84 m² | 119 m² | +35 m² +42% | 2016 |
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| 84a, Idmiston Road999 m away | 84 m² | 119 m² | +35 m² +42% | 2009 |
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| 10, Barston Road936 m away | 53 m² | 87 m² | +34 m² +64% | 2026 |
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| 26, Bloom Grove958 m away | 55 m² | 89 m² | +34 m² +62% | 2025 |
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| 25, St Cloud Road267 m away | 91 m² | 125 m² | +34 m² +37% | 2024 |
|---|
| 26a, Durban Road334 m away | 64 m² | 98 m² | +34 m² +53% | 2021 |
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| Flat 2, 75, Thornlaw Road947 m away | 68 m² | 102 m² | +34 m² +50% | 2019 |
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| 82a, South Croxted Road660 m away | 47 m² | 81 m² | +34 m² +72% | 2011 |
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| 15, Hubbard Road382 m away | 79 m² | 112 m² | +33 m² +42% | 2026 |
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| 44, Dassett Road696 m away | 110 m² | 143 m² | +33 m² +30% | 2026 |
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| Flat 5, 40, Chestnut Road877 m away | 76 m² | 109 m² | +33 m² +43% | 2026 |
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| 83, Thornlaw Road947 m away | 122 m² | 155 m² | +33 m² +27% | 2024 |
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| 68, Auckland Hill539 m away | 118 m² | 151 m² | +33 m² +28% | 2023 |
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| 91, Tivoli Road661 m away | 77 m² | 110 m² | +33 m² +43% | 2023 |
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| 147, Tivoli Road661 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
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| 107, Gipsy Road0 m away | 71 m² | 104 m² | +33 m² +46% | 2022 |
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| 12, Norwood Park Road317 m away | 88 m² | 121 m² | +33 m² +38% | 2022 |
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| 36, Crown Dale949 m away | 97 m² | 130 m² | +33 m² +34% | 2022 |
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| 6, St Louis Road57 m away | 91 m² | 124 m² | +33 m² +36% | 2020 |
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| 153, Clive Road621 m away | 60 m² | 93 m² | +33 m² +55% | 2016 |
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| 56, Alexandra Drive716 m away | 132 m² | 165 m² | +33 m² +25% | 2015 |
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| 66, Norwood Park Road317 m away | 85 m² | 118 m² | +33 m² +39% | 2014 |
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| 89, Clive Road407 m away | 140 m² | 173 m² | +33 m² +24% | 2014 |
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| 50, Crown Dale814 m away | 90 m² | 123 m² | +33 m² +37% | 2012 |
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| 96, Rommany Road125 m away | 74 m² | 106 m² | +32 m² +43% | 2026 |
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| 62, Ladas Road611 m away | 73 m² | 105 m² | +32 m² +44% | 2026 |
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| 225, Clive Road765 m away | 61 m² | 93 m² | +32 m² +52% | 2023 |
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| 81, Casewick Road918 m away | 155 m² | 187 m² | +32 m² +21% | 2021 |
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| 79a, Rosendale Road997 m away | 61 m² | 93 m² | +32 m² +52% | 2021 |
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| Flat 2, 64, Alexandra Drive716 m away | 120 m² | 152 m² | +32 m² +27% | 2019 |
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| 61b, Rosendale Road718 m away | 87 m² | 119 m² | +32 m² +37% | 2011 |
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| 29, Wolfington Road878 m away | 162 m² | 193 m² | +31 m² +19% | 2025 |
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| 46, Norwood High Street651 m away | 42 m² | 73 m² | +31 m² +74% | 2022 |
|---|
| 12, Rosendale Road689 m away | 146 m² | 177 m² | +31 m² +21% | 2022 |
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| 48, Norwood High Street651 m away | 33 m² | 64 m² | +31 m² +94% | 2020 |
|---|
| 2, Dassett Road696 m away | 109 m² | 140 m² | +31 m² +28% | 2019 |
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| 4, Vale Street454 m away | 95 m² | 126 m² | +31 m² +33% | 2015 |
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| 25, Naseby Road857 m away | 96 m² | 127 m² | +31 m² +32% | 2015 |
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| 20, Rommany Road333 m away | 47 m² | 78 m² | +31 m² +66% | 2013 |
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| 3, Gibbs Square497 m away | 72 m² | 103 m² | +31 m² +43% | 2012 |
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| 90, Idmiston Road999 m away | 94 m² | 125 m² | +31 m² +33% | 2011 |
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| 18, Elder Gardens290 m away | 43 m² | 74 m² | +31 m² +72% | 2010 |
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| 13, Chalford Road449 m away | 68 m² | 98 m² | +30 m² +44% | 2024 |
|---|
| 74, Rosendale Road689 m away | 119 m² | 149 m² | +30 m² +25% | 2024 |
|---|
| 48, Robson Road800 m away | 65 m² | 95 m² | +30 m² +46% | 2022 |
|---|
| 76, South Croxted Road660 m away | 196 m² | 226 m² | +30 m² +15% | 2013 |
|---|
| 37, Elder Gardens290 m away | 44 m² | 74 m² | +30 m² +68% | 2010 |
|---|
| 94, Rommany Road125 m away | 82 m² | 111 m² | +29 m² +35% | 2026 |
|---|
| 47, Robson Road800 m away | 65 m² | 94 m² | +29 m² +45% | 2026 |
|---|
| 48, Hamilton Road216 m away | 93 m² | 122 m² | +29 m² +31% | 2025 |
|---|
| 123, Clive Road621 m away | 108 m² | 137 m² | +29 m² +27% | 2025 |
|---|
| 64, Eylewood Road290 m away | 82 m² | 111 m² | +29 m² +35% | 2021 |
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| 22, South Croxted Road846 m away | 170 m² | 199 m² | +29 m² +17% | 2021 |
|---|
| 21, Norwood Park Road308 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 15, Norwood Park Road308 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 53, Ladas Road575 m away | 72 m² | 101 m² | +29 m² +40% | 2020 |
|---|
| 43, Norwood Park Road308 m away | 92 m² | 121 m² | +29 m² +32% | 2019 |
|---|
| 86b, South Croxted Road660 m away | 30 m² | 59 m² | +29 m² +97% | 2017 |
|---|
| 38, Thornlaw Road916 m away | 41 m² | 70 m² | +29 m² +71% | 2017 |
|---|
| 10, Norwood Park Road317 m away | 86 m² | 114 m² | +28 m² +33% | 2026 |
|---|
| 41, Ladas Road575 m away | 76 m² | 104 m² | +28 m² +37% | 2026 |
|---|
| 22, Colby Road885 m away | 107 m² | 135 m² | +28 m² +26% | 2026 |
|---|
| 7, Chancellor Grove899 m away | 96 m² | 124 m² | +28 m² +29% | 2026 |
|---|
| 2, Grazeley Court621 m away | 112 m² | 140 m² | +28 m² +25% | 2025 |
|---|
| 161, South Croxted Road412 m away | 157 m² | 185 m² | +28 m² +18% | 2022 |
|---|
| 42, Ladas Road611 m away | 72 m² | 100 m² | +28 m² +39% | 2022 |
|---|
| 32, Rommany Road333 m away | 77 m² | 105 m² | +28 m² +36% | 2021 |
|---|
| 93, Hamilton Road340 m away | 84 m² | 112 m² | +28 m² +33% | 2021 |
|---|
| 270, Knights Hill991 m away | 49 m² | 77 m² | +28 m² +57% | 2018 |
|---|
| 41, Norwood Park Road308 m away | 83 m² | 111 m² | +28 m² +34% | 2017 |
|---|
| 6, Norwood High Street766 m away | 45 m² | 73 m² | +28 m² +62% | 2015 |
|---|
| 30, Norwood Park Road317 m away | 82 m² | 109 m² | +27 m² +33% | 2026 |
|---|
| 146, St Louis Road160 m away | 66 m² | 93 m² | +27 m² +41% | 2025 |
|---|
| 90a, Idmiston Road999 m away | 98 m² | 125 m² | +27 m² +28% | 2025 |
|---|
| 39, Colby Road885 m away | 137 m² | 164 m² | +27 m² +20% | 2024 |
|---|
| 18, Croxted Road998 m away | 146 m² | 173 m² | +27 m² +18% | 2022 |
|---|
| 154, Knights Hill771 m away | 58 m² | 85 m² | +27 m² +47% | 2020 |
|---|
| Flat 31, Glenhurst Court, Farquhar Road944 m away | 52 m² | 79 m² | +27 m² +52% | 2020 |
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