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 9PP
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 Road466 m away | 308 m² | 480 m² | +172 m² +56% | 2019 |
| 83, Alleyn Road549 m away | 130 m² | 287 m² | +157 m² +121% | 2011 |
| 89, Alleyn Road549 m away | 169 m² | 322 m² | +153 m² +91% | 2023 |
| 16, Acacia Grove990 m away | 108 m² | 253 m² | +145 m² +134% | 2021 |
| 2, Alleyn Park650 m away | 164 m² | 308 m² | +144 m² +88% | 2025 |
| 55, Chestnut Road734 m away | 99 m² | 222 m² | +123 m² +124% | 2022 |
| 75, Rosendale Road831 m away | 85 m² | 191 m² | +106 m² +125% | 2021 |
| 6, Elder Road432 m away | 66 m² | 160 m² | +94 m² +142% | 2014 |
| 15, Bewlys Road838 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.
| 203 m² |
| +93 m² +85% |
| 2025 |
| 5, Gipsy Road Gardens336 m away | 85 m² | 176 m² | +91 m² +107% | 2014 |
|---|
| 75, Clive Road320 m away | 193 m² | 283 m² | +90 m² +47% | 2025 |
|---|
| 38, Victoria Crescent984 m away | 64 m² | 152 m² | +88 m² +138% | 2022 |
|---|
| 2, Ardlui Road746 m away | 178 m² | 266 m² | +88 m² +49% | 2011 |
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| 101, South Croxted Road514 m away | 84 m² | 168 m² | +84 m² +100% | 2015 |
|---|
| 52b, Alexandra Drive885 m away | 72 m² | 154 m² | +82 m² +114% | 2018 |
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| 17, Dassett Road713 m away | 79 m² | 160 m² | +81 m² +103% | 2020 |
|---|
| 24, Hainthorpe Road935 m away | 82 m² | 162 m² | +80 m² +98% | 2017 |
|---|
| 14, Alleyn Crescent865 m away | 105 m² | 179 m² | +74 m² +70% | 2020 |
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| 27, Chatsworth Way924 m away | 107 m² | 179 m² | +72 m² +67% | 2025 |
|---|
| 23a, Park Hall Road672 m away | 181 m² | 251 m² | +70 m² +39% | 2016 |
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| 141g, Central Hill802 m away | 51 m² | 120 m² | +69 m² +135% | 2014 |
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| 55, Casewick Road866 m away | 121 m² | 189 m² | +68 m² +56% | 2025 |
|---|
| 59, South Croxted Road514 m away | 168 m² | 234 m² | +66 m² +39% | 2026 |
|---|
| 35, Hunters Meadow751 m away | 45 m² | 111 m² | +66 m² +147% | 2017 |
|---|
| 209, Clive Road615 m away | 141 m² | 206 m² | +65 m² +46% | 2020 |
|---|
| 44, Elder Road607 m away | 86 m² | 150 m² | +64 m² +74% | 2024 |
|---|
| 37, Tulsemere Road954 m away | 102 m² | 164 m² | +62 m² +61% | 2022 |
|---|
| 3, Darlington Road723 m away | 57 m² | 118 m² | +61 m² +107% | 2022 |
|---|
| 19, Dalton Street965 m away | 46 m² | 107 m² | +61 m² +133% | 2020 |
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| 21, Eylewood Road357 m away | 80 m² | 140 m² | +60 m² +75% | 2026 |
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| Flat 2, 5, Martell Road597 m away | 42 m² | 101 m² | +59 m² +140% | 2024 |
|---|
| 26, Rouse Gardens715 m away | 131 m² | 190 m² | +59 m² +45% | 2023 |
|---|
| 94, Alleyn Road466 m away | 192 m² | 250 m² | +58 m² +30% | 2017 |
|---|
| 3, Pennington Close290 m away | 75 m² | 132 m² | +57 m² +76% | 2024 |
|---|
| 16, Oaks Avenue611 m away | 113 m² | 170 m² | +57 m² +50% | 2022 |
|---|
| 214a, Gipsy Road561 m away | 49 m² | 106 m² | +57 m² +116% | 2013 |
|---|
| 140, Rommany Road166 m away | 88 m² | 144 m² | +56 m² +64% | 2022 |
|---|
| 32, Bloomhall Road720 m away | 72 m² | 128 m² | +56 m² +78% | 2014 |
|---|
| 1b, Rosendale Road440 m away | 83 m² | 138 m² | +55 m² +66% | 2026 |
|---|
| 29, Eylewood Road357 m away | 80 m² | 135 m² | +55 m² +69% | 2021 |
|---|
| 63, Clive Road301 m away | 95 m² | 150 m² | +55 m² +58% | 2020 |
|---|
| 20a, Oxford Road973 m away | 47 m² | 102 m² | +55 m² +117% | 2020 |
|---|
| 11, Cheviot Road924 m away | 105 m² | 159 m² | +54 m² +51% | 2023 |
|---|
| 205b, South Croxted Road452 m away | 72 m² | 126 m² | +54 m² +75% | 2020 |
|---|
| 28, Norwood Park Road448 m away | 86 m² | 140 m² | +54 m² +63% | 2019 |
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| 20, Knights Hill750 m away | 40 m² | 94 m² | +54 m² +135% | 2018 |
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| 66a, Park Hall Road781 m away | 77 m² | 131 m² | +54 m² +70% | 2016 |
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| 29, St Julians Farm Road941 m away | 71 m² | 125 m² | +54 m² +76% | 2010 |
|---|
| 29, Rommany Road336 m away | 83 m² | 136 m² | +53 m² +64% | 2020 |
|---|
| 48, Clive Road336 m away | 103 m² | 155 m² | +52 m² +50% | 2026 |
|---|
| 5, Lavengro Road960 m away | 92 m² | 144 m² | +52 m² +57% | 2025 |
|---|
| 43, Rommany Road336 m away | 98 m² | 150 m² | +52 m² +53% | 2024 |
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| 113, South Croxted Road412 m away | 151 m² | 203 m² | +52 m² +34% | 2024 |
|---|
| 195, Clive Road615 m away | 173 m² | 225 m² | +52 m² +30% | 2013 |
|---|
| 29, Rouse Gardens715 m away | 109 m² | 160 m² | +51 m² +47% | 2018 |
|---|
| 14a, Chestnut Road708 m away | 108 m² | 159 m² | +51 m² +47% | 2015 |
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| 45, Wolfington Road922 m away | 146 m² | 196 m² | +50 m² +34% | 2020 |
|---|
| 11, Hexham Road954 m away | 78 m² | 128 m² | +50 m² +64% | 2019 |
|---|
| 36, Rouse Gardens715 m away | 121 m² | 170 m² | +49 m² +40% | 2024 |
|---|
| 46, Alleyn Park910 m away | 118 m² | 167 m² | +49 m² +42% | 2024 |
|---|
| 55, Alleyn Road549 m away | 195 m² | 244 m² | +49 m² +25% | 2016 |
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| 83, Clive Road320 m away | 95 m² | 144 m² | +49 m² +52% | 2011 |
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| 4, Oaks Avenue611 m away | 139 m² | 187 m² | +48 m² +35% | 2025 |
|---|
| 18, Lavengro Road954 m away | 102 m² | 150 m² | +48 m² +47% | 2023 |
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| 36, Park Hall Road670 m away | 135 m² | 183 m² | +48 m² +36% | 2016 |
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| 62, Tulsemere Road960 m away | 100 m² | 148 m² | +48 m² +48% | 2016 |
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| 39, Auckland Hill154 m away | 61 m² | 109 m² | +48 m² +79% | 2009 |
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| 18, Hexham Road944 m away | 102 m² | 149 m² | +47 m² +46% | 2025 |
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| 3, Lavengro Road960 m away | 106 m² | 153 m² | +47 m² +44% | 2025 |
|---|
| 12a, Lancaster Avenue990 m away | 90 m² | 136 m² | +46 m² +51% | 2024 |
|---|
| 203, Clive Road615 m away | 187 m² | 233 m² | +46 m² +25% | 2018 |
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| 94, Norwood High Street483 m away | 34 m² | 80 m² | +46 m² +135% | 2015 |
|---|
| 41, Eylewood Road357 m away | 86 m² | 131 m² | +45 m² +52% | 2025 |
|---|
| 89, Elder Road506 m away | 116 m² | 161 m² | +45 m² +39% | 2025 |
|---|
| 49, Rosendale Road560 m away | 55 m² | 100 m² | +45 m² +82% | 2023 |
|---|
| 50, Robson Road625 m away | 67 m² | 112 m² | +45 m² +67% | 2023 |
|---|
| 1, St Julians Farm Road762 m away | 149 m² | 194 m² | +45 m² +30% | 2023 |
|---|
| 52a, Victoria Crescent984 m away | 31 m² | 76 m² | +45 m² +145% | 2022 |
|---|
| 172, Central Hill731 m away | 79 m² | 124 m² | +45 m² +57% | 2018 |
|---|
| 46, Lavengro Road954 m away | 99 m² | 143 m² | +44 m² +44% | 2025 |
|---|
| 125, Tivoli Road739 m away | 81 m² | 125 m² | +44 m² +54% | 2020 |
|---|
| 73, Clive Road320 m away | 95 m² | 138 m² | +43 m² +45% | 2025 |
|---|
| 10, Grazeley Court732 m away | 99 m² | 142 m² | +43 m² +43% | 2025 |
|---|
| 20, Berridge Road686 m away | 93 m² | 136 m² | +43 m² +46% | 2024 |
|---|
| 37, Clive Road301 m away | 91 m² | 134 m² | +43 m² +47% | 2023 |
|---|
| 69, Casewick Road866 m away | 130 m² | 173 m² | +43 m² +33% | 2023 |
|---|
| 23, St Cloud Road96 m away | 89 m² | 132 m² | +43 m² +48% | 2021 |
|---|
| 54, Tritton Road387 m away | 114 m² | 157 m² | +43 m² +38% | 2019 |
|---|
| 18, Bewlys Road838 m away | 116 m² | 158 m² | +42 m² +36% | 2022 |
|---|
| 23, Casewick Road866 m away | 144 m² | 186 m² | +42 m² +29% | 2022 |
|---|
| 57, St Julian'S Farm Road941 m away | 149 m² | 191 m² | +42 m² +28% | 2016 |
|---|
| 32, Lavengro Road954 m away | 106 m² | 148 m² | +42 m² +40% | 2014 |
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| 183, Clive Road615 m away | 146 m² | 188 m² | +42 m² +29% | 2013 |
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| 29a, Durban Road116 m away | 53 m² | 95 m² | +42 m² +79% | 2012 |
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| 47, Rommany Road336 m away | 53 m² | 95 m² | +42 m² +79% | 2009 |
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| 4, Leonora Tyson Mews982 m away | 42 m² | 84 m² | +42 m² +100% | 2009 |
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| 5, Leonora Tyson Mews982 m away | 42 m² | 84 m² | +42 m² +100% | 2009 |
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| 205a, South Croxted Road452 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
|---|
| 8, Windsor Close332 m away | 98 m² | 139 m² | +41 m² +42% | 2023 |
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| 58, Cheviot Road967 m away | 123 m² | 163 m² | +40 m² +33% | 2023 |
|---|
| 49, Rommany Road336 m away | 101 m² | 141 m² | +40 m² +40% | 2022 |
|---|
| 51, Elder Road415 m away | 92 m² | 132 m² | +40 m² +43% | 2022 |
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| 62, Dassett Road730 m away | 80 m² | 120 m² | +40 m² +50% | 2022 |
|---|
| 3, Cheviot Road924 m away | 110 m² | 150 m² | +40 m² +36% | 2022 |
|---|
| 100, Cheviot Road967 m away | 108 m² | 148 m² | +40 m² +37% | 2022 |
|---|
| 33, Ladas Road576 m away | 41 m² | 81 m² | +40 m² +98% | 2021 |
|---|
| 62, Clive Road336 m away | 95 m² | 135 m² | +40 m² +42% | 2020 |
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| 140a, Clive Road485 m away | 64 m² | 103 m² | +39 m² +61% | 2023 |
|---|
| 12, Chancellor Grove745 m away | 75 m² | 114 m² | +39 m² +52% | 2022 |
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| 9, Tritton Road387 m away | 113 m² | 152 m² | +39 m² +35% | 2019 |
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| 146, Knights Hill729 m away | 32 m² | 71 m² | +39 m² +122% | 2015 |
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| 14, Auckland Hill95 m away | 51 m² | 90 m² | +39 m² +76% | 2014 |
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| 202, Gipsy Road561 m away | 99 m² | 137 m² | +38 m² +38% | 2024 |
|---|
| 13, Chestnut Road734 m away | 182 m² | 220 m² | +38 m² +21% | 2021 |
|---|
| 49, Wolfington Road922 m away | 126 m² | 164 m² | +38 m² +30% | 2020 |
|---|
| 29, Yeoman Close995 m away | 89 m² | 127 m² | +38 m² +43% | 2020 |
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| 34, Wolfington Road771 m away | 47 m² | 85 m² | +38 m² +81% | 2013 |
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| 9, Cheviot Road924 m away | 74 m² | 112 m² | +38 m² +51% | 2012 |
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| 54, Rommany Road431 m away | 80 m² | 117 m² | +37 m² +46% | 2025 |
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| 4, Alexandra Walk901 m away | 71 m² | 108 m² | +37 m² +52% | 2022 |
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| 156, Central Hill731 m away | 87 m² | 124 m² | +37 m² +43% | 2014 |
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| 104, Cheviot Road967 m away | 108 m² | 144 m² | +36 m² +33% | 2026 |
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| 37, Cheviot Road924 m away | 106 m² | 142 m² | +36 m² +34% | 2025 |
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| Flat E, 193, Rommany Road100 m away | 34 m² | 70 m² | +36 m² +106% | 2023 |
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| 34, Little Bornes768 m away | 106 m² | 142 m² | +36 m² +34% | 2023 |
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| Flat 2, 3, Hannen Road672 m away | 36 m² | 72 m² | +36 m² +100% | 2017 |
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| 23, St Louis Road142 m away | 66 m² | 101 m² | +35 m² +53% | 2026 |
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| 55, Tivoli Road577 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
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| 11, St Cloud Road96 m away | 102 m² | 137 m² | +35 m² +34% | 2025 |
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| 74a, Wolfington Road921 m away | 83 m² | 118 m² | +35 m² +42% | 2025 |
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| 8, St Louis Road189 m away | 89 m² | 124 m² | +35 m² +39% | 2024 |
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| 71, Clive Road320 m away | 104 m² | 139 m² | +35 m² +34% | 2023 |
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| 117, Gipsy Road175 m away | 47 m² | 82 m² | +35 m² +74% | 2022 |
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| 2, Baird Gardens745 m away | 87 m² | 122 m² | +35 m² +40% | 2022 |
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| 20, Champness Close161 m away | 73 m² | 108 m² | +35 m² +48% | 2021 |
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| 47, Hamilton Road237 m away | 119 m² | 154 m² | +35 m² +29% | 2019 |
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| 105, Tivoli Road739 m away | 84 m² | 119 m² | +35 m² +42% | 2016 |
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| 84a, Idmiston Road824 m away | 84 m² | 119 m² | +35 m² +42% | 2009 |
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| 10, Barston Road761 m away | 53 m² | 87 m² | +34 m² +64% | 2026 |
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| 26, Bloom Grove813 m away | 55 m² | 89 m² | +34 m² +62% | 2025 |
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| 25, St Cloud Road96 m away | 91 m² | 125 m² | +34 m² +37% | 2024 |
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| 26a, Durban Road159 m away | 64 m² | 98 m² | +34 m² +53% | 2021 |
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| Flat 2, 75, Thornlaw Road869 m away | 68 m² | 102 m² | +34 m² +50% | 2019 |
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| 5, Eastmearn Road882 m away | 184 m² | 218 m² | +34 m² +18% | 2019 |
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| Flat 1, 55, Wolfington Road922 m away | 49 m² | 83 m² | +34 m² +69% | 2016 |
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| 82a, South Croxted Road559 m away | 47 m² | 81 m² | +34 m² +72% | 2011 |
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| 17, Hainthorpe Road974 m away | 144 m² | 178 m² | +34 m² +24% | 2011 |
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| 15, Hubbard Road217 m away | 79 m² | 112 m² | +33 m² +42% | 2026 |
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| Flat 5, 40, Chestnut Road708 m away | 76 m² | 109 m² | +33 m² +43% | 2026 |
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| 44, Dassett Road730 m away | 110 m² | 143 m² | +33 m² +30% | 2026 |
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| 83, Thornlaw Road869 m away | 122 m² | 155 m² | +33 m² +27% | 2024 |
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| 68, Auckland Hill393 m away | 118 m² | 151 m² | +33 m² +28% | 2023 |
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| 91, Tivoli Road739 m away | 77 m² | 110 m² | +33 m² +43% | 2023 |
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| 147, Tivoli Road739 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
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| 107, Gipsy Road175 m away | 71 m² | 104 m² | +33 m² +46% | 2022 |
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| 12, Norwood Park Road448 m away | 88 m² | 121 m² | +33 m² +38% | 2022 |
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| 6, St Louis Road189 m away | 91 m² | 124 m² | +33 m² +36% | 2020 |
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| 153, Clive Road487 m away | 60 m² | 93 m² | +33 m² +55% | 2016 |
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| 56, Alexandra Drive885 m away | 132 m² | 165 m² | +33 m² +25% | 2015 |
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| 89, Clive Road320 m away | 140 m² | 173 m² | +33 m² +24% | 2014 |
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| 66, Norwood Park Road448 m away | 85 m² | 118 m² | +33 m² +39% | 2014 |
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| 50, Crown Dale910 m away | 90 m² | 123 m² | +33 m² +37% | 2012 |
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| 96, Rommany Road166 m away | 74 m² | 106 m² | +32 m² +43% | 2026 |
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| 62, Ladas Road620 m away | 73 m² | 105 m² | +32 m² +44% | 2026 |
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| 225, Clive Road615 m away | 61 m² | 93 m² | +32 m² +52% | 2023 |
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| 79a, Rosendale Road831 m away | 61 m² | 93 m² | +32 m² +52% | 2021 |
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| 81, Casewick Road866 m away | 155 m² | 187 m² | +32 m² +21% | 2021 |
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| 46, Cheviot Road967 m away | 95 m² | 127 m² | +32 m² +34% | 2021 |
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| Flat 2, 64, Alexandra Drive885 m away | 120 m² | 152 m² | +32 m² +27% | 2019 |
|---|
| 61b, Rosendale Road560 m away | 87 m² | 119 m² | +32 m² +37% | 2011 |
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| 29, Wolfington Road771 m away | 162 m² | 193 m² | +31 m² +19% | 2025 |
|---|
| 46, Norwood High Street534 m away | 42 m² | 73 m² | +31 m² +74% | 2022 |
|---|
| 12, Rosendale Road539 m away | 146 m² | 177 m² | +31 m² +21% | 2022 |
|---|
| 48, Norwood High Street534 m away | 33 m² | 64 m² | +31 m² +94% | 2020 |
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| 2, Dassett Road730 m away | 109 m² | 140 m² | +31 m² +28% | 2019 |
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| 4, Vale Street301 m away | 95 m² | 126 m² | +31 m² +33% | 2015 |
|---|
| 20, Rommany Road431 m away | 47 m² | 78 m² | +31 m² +66% | 2013 |
|---|
| 3, Gibbs Square671 m away | 72 m² | 103 m² | +31 m² +43% | 2012 |
|---|
| 90, Idmiston Road824 m away | 94 m² | 125 m² | +31 m² +33% | 2011 |
|---|
| 18, Elder Gardens305 m away | 43 m² | 74 m² | +31 m² +72% | 2010 |
|---|
| 13, Chalford Road386 m away | 68 m² | 98 m² | +30 m² +44% | 2024 |
|---|
| 74, Rosendale Road539 m away | 119 m² | 149 m² | +30 m² +25% | 2024 |
|---|
| 48, Robson Road625 m away | 65 m² | 95 m² | +30 m² +46% | 2022 |
|---|
| 16, Dalton Street965 m away | 24 m² | 54 m² | +30 m² +125% | 2022 |
|---|
| 76, South Croxted Road559 m away | 196 m² | 226 m² | +30 m² +15% | 2013 |
|---|
| 37, Elder Gardens305 m away | 44 m² | 74 m² | +30 m² +68% | 2010 |
|---|
| 94, Rommany Road166 m away | 82 m² | 111 m² | +29 m² +35% | 2026 |
|---|
| 47, Robson Road625 m away | 65 m² | 94 m² | +29 m² +45% | 2026 |
|---|
| 48, Hamilton Road188 m away | 93 m² | 122 m² | +29 m² +31% | 2025 |
|---|
| 123, Clive Road487 m away | 108 m² | 137 m² | +29 m² +27% | 2025 |
|---|
| 64, Eylewood Road388 m away | 82 m² | 111 m² | +29 m² +35% | 2021 |
|---|
| 22, South Croxted Road718 m away | 170 m² | 199 m² | +29 m² +17% | 2021 |
|---|
| 21, Norwood Park Road426 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 15, Norwood Park Road426 m away | 83 m² | 112 m² | +29 m² +35% | 2020 |
|---|
| 53, Ladas Road576 m away | 72 m² | 101 m² | +29 m² +40% | 2020 |
|---|
| 43, Norwood Park Road426 m away | 92 m² | 121 m² | +29 m² +32% | 2019 |
|---|
| 86b, South Croxted Road559 m away | 30 m² | 59 m² | +29 m² +97% | 2017 |
|---|
| 38, Thornlaw Road843 m away | 41 m² | 70 m² | +29 m² +71% | 2017 |
|---|
| 10, Norwood Park Road448 m away | 86 m² | 114 m² | +28 m² +33% | 2026 |
|---|
| 41, Ladas Road576 m away | 76 m² | 104 m² | +28 m² +37% | 2026 |
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