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 CR5 2JB
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 |
|---|---|---|---|---|
| 44, Howard Road801 m away | 198 m² | 375 m² | +177 m² +89% | 2026 |
| 26, Coulsdon Court Road935 m away | 143 m² | 307 m² | +164 m² +115% | 2025 |
| 10, Hartley Way448 m away | 214 m² | 377 m² | +163 m² +76% | 2019 |
| 9, The Avenue568 m away | 107 m² | 254 m² | +147 m² +137% | 2015 |
| 3, Hartley Old Road485 m away | 119 m² | 259 m² | +140 m² +118% | 2024 |
| 52, Old Lodge Lane643 m away | 98 m² | 225 m² | +127 m² +130% | 2021 |
| 35, The Chase777 m away | 118 m² | 245 m² | +127 m² +108% | 2018 |
| 54, Woodcrest Road703 m away | 89 m² | 213 m² | +124 m² +139% | 2023 |
| 3, Hartley Way375 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.
| 253 m² |
| +112 m² +79% |
| 2026 |
| 102, Downlands Road929 m away | 127 m² | 231 m² | +104 m² +82% | 2023 |
|---|
| 23, Woodcrest Road723 m away | 154 m² | 257 m² | +103 m² +67% | 2016 |
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| 51, Woodside Road905 m away | 103 m² | 205 m² | +102 m² +99% | 2026 |
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| 25, Hartley Down326 m away | 75 m² | 175 m² | +100 m² +133% | 2017 |
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| 59, Brighton Road229 m away | 88 m² | 187 m² | +99 m² +113% | 2014 |
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| 46, Coulsdon Road531 m away | 90 m² | 186 m² | +96 m² +107% | 2026 |
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| 110, Coulsdon Road970 m away | 90 m² | 186 m² | +96 m² +107% | 2017 |
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| 10a, Woodcote Grove Road563 m away | 67 m² | 161 m² | +94 m² +140% | 2009 |
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| 37, Stoats Nest Road208 m away | 72 m² | 164 m² | +92 m² +128% | 2024 |
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| 34, Copse Hill739 m away | 121 m² | 211 m² | +90 m² +74% | 2022 |
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| 19, Hartley Down326 m away | 130 m² | 220 m² | +90 m² +69% | 2019 |
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| 10, Manor Wood Road676 m away | 121 m² | 207 m² | +86 m² +71% | 2021 |
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| 219, Brighton Road314 m away | 152 m² | 237 m² | +85 m² +56% | 2024 |
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| 7, Field End465 m away | 101 m² | 186 m² | +85 m² +84% | 2015 |
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| 44, Woodside Road867 m away | 161 m² | 240 m² | +79 m² +49% | 2016 |
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| 6, Coulsdon Court Road935 m away | 123 m² | 201 m² | +78 m² +63% | 2020 |
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| 34, Coulsdon Road531 m away | 73 m² | 151 m² | +78 m² +107% | 2019 |
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| 7, The Drive273 m away | 122 m² | 200 m² | +78 m² +64% | 2015 |
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| 36, Woodside Road832 m away | 115 m² | 192 m² | +77 m² +67% | 2014 |
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| 44, Manor Wood Road676 m away | 285 m² | 362 m² | +77 m² +27% | 2010 |
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| 121, Woodcote Grove Road760 m away | 155 m² | 231 m² | +76 m² +49% | 2021 |
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| 17, Manor Wood Road700 m away | 277 m² | 347 m² | +70 m² +25% | 2015 |
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| 41, Byron Avenue646 m away | 108 m² | 177 m² | +69 m² +64% | 2023 |
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| 4, The Drive273 m away | 132 m² | 201 m² | +69 m² +52% | 2011 |
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| 11, The Avenue568 m away | 119 m² | 187 m² | +68 m² +57% | 2019 |
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| 57, Woodside Road905 m away | 97 m² | 164 m² | +67 m² +69% | 2015 |
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| 4, Julien Road877 m away | 151 m² | 216 m² | +65 m² +43% | 2022 |
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| 42, Downlands Road546 m away | 139 m² | 204 m² | +65 m² +47% | 2010 |
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| 57, Smitham Bottom Lane985 m away | 118 m² | 180 m² | +62 m² +53% | 2014 |
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| 29, Brighton Road97 m away | 102 m² | 163 m² | +61 m² +60% | 2017 |
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| 8, The Chase772 m away | 131 m² | 191 m² | +60 m² +46% | 2025 |
|---|
| 159, Woodcote Valley Road960 m away | 170 m² | 227 m² | +57 m² +34% | 2019 |
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| 55, Smitham Bottom Lane985 m away | 97 m² | 152 m² | +55 m² +57% | 2026 |
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| 90, Windermere Road0 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
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| 29, Smitham Downs Road528 m away | 192 m² | 246 m² | +54 m² +28% | 2023 |
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| 50, Smitham Downs Road715 m away | 172 m² | 226 m² | +54 m² +31% | 2021 |
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| 184, Old Lodge Lane971 m away | 61 m² | 114 m² | +53 m² +87% | 2025 |
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| 1a, Woodside Road905 m away | 149 m² | 202 m² | +53 m² +36% | 2021 |
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| 1, Woodcrest Road723 m away | 149 m² | 201 m² | +52 m² +35% | 2022 |
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| 27a, Smitham Downs Road528 m away | 142 m² | 192 m² | +50 m² +35% | 2023 |
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| 203a, Brighton Road314 m away | 101 m² | 151 m² | +50 m² +50% | 2020 |
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| Flat 4, 12, Brighton Road150 m away | 34 m² | 82 m² | +48 m² +141% | 2025 |
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| 78, Chipstead Valley Road998 m away | 65 m² | 113 m² | +48 m² +74% | 2019 |
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| 16, Coulsdon Road531 m away | 106 m² | 153 m² | +47 m² +44% | 2026 |
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| 7, The Avenue568 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
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| 97, Hartley Down311 m away | 148 m² | 195 m² | +47 m² +32% | 2018 |
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| 48, Hartley Hill625 m away | 185 m² | 231 m² | +46 m² +25% | 2021 |
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| 11, Hartley Down601 m away | 140 m² | 186 m² | +46 m² +33% | 2011 |
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| 15, Coulsdon Court Road935 m away | 151 m² | 195 m² | +44 m² +29% | 2026 |
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| 12, Grove Wood Hill771 m away | 129 m² | 173 m² | +44 m² +34% | 2016 |
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| 73, Hartley Hill631 m away | 259 m² | 302 m² | +43 m² +17% | 2022 |
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| 12, Woodcote Grove Road563 m away | 160 m² | 203 m² | +43 m² +27% | 2019 |
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| 23c, Chipstead Valley Road825 m away | 32 m² | 75 m² | +43 m² +134% | 2013 |
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| 55, South Drive410 m away | 55 m² | 97 m² | +42 m² +76% | 2026 |
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| 23, Hartley Hill630 m away | 81 m² | 123 m² | +42 m² +52% | 2011 |
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| 46, Old Lodge Lane643 m away | 159 m² | 199 m² | +40 m² +25% | 2026 |
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| 2, Bramley Avenue846 m away | 160 m² | 200 m² | +40 m² +25% | 2024 |
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| 2, Holmes Close735 m away | 66 m² | 106 m² | +40 m² +61% | 2016 |
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| 143, Brighton Road571 m away | 145 m² | 185 m² | +40 m² +28% | 2015 |
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| 10a, The Drive273 m away | 113 m² | 152 m² | +39 m² +35% | 2025 |
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| 25, Smitham Downs Road395 m away | 214 m² | 252 m² | +38 m² +18% | 2024 |
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| 131, Woodcote Valley Road960 m away | 57 m² | 95 m² | +38 m² +67% | 2024 |
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| 91, Woodcote Grove Road760 m away | 128 m² | 166 m² | +38 m² +30% | 2022 |
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| 68, Reedham Drive910 m away | 81 m² | 118 m² | +37 m² +46% | 2026 |
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| 10, Cordrey Gardens540 m away | 77 m² | 114 m² | +37 m² +48% | 2021 |
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| 2, Hartley Farm370 m away | 146 m² | 183 m² | +37 m² +25% | 2018 |
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| 84, Woodcote Grove Road517 m away | 187 m² | 223 m² | +36 m² +19% | 2025 |
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| 16, The Drive273 m away | 160 m² | 195 m² | +35 m² +22% | 2018 |
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| 154, Brighton Road716 m away | 117 m² | 151 m² | +34 m² +29% | 2026 |
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| 52, Hartley Old Road428 m away | 216 m² | 250 m² | +34 m² +16% | 2024 |
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| 59, Woodside Road905 m away | 126 m² | 159 m² | +33 m² +26% | 2019 |
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| 47, Stoats Nest Village319 m away | 93 m² | 125 m² | +32 m² +34% | 2023 |
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| 30, Grove Wood Hill771 m away | 194 m² | 226 m² | +32 m² +16% | 2023 |
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| 48, Howard Road801 m away | 145 m² | 177 m² | +32 m² +22% | 2023 |
|---|
| 3, The Drive273 m away | 201 m² | 233 m² | +32 m² +16% | 2022 |
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| 56, Byron Avenue643 m away | 93 m² | 125 m² | +32 m² +34% | 2020 |
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| 18, Woodcote Grove Road563 m away | 157 m² | 189 m² | +32 m² +20% | 2016 |
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| 18, Woodside Road832 m away | 152 m² | 184 m² | +32 m² +21% | 2016 |
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| 70, Chipstead Valley Road998 m away | 68 m² | 100 m² | +32 m² +47% | 2014 |
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| 155, Woodcote Valley Road960 m away | 196 m² | 227 m² | +31 m² +16% | 2020 |
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| 41, Stoats Nest Village319 m away | 105 m² | 136 m² | +31 m² +30% | 2014 |
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| Flat 2, 63, Woodcote Grove Road551 m away | 58 m² | 89 m² | +31 m² +53% | 2011 |
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| 27, Burcott Road850 m away | 148 m² | 178 m² | +30 m² +20% | 2022 |
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| 9, Woodcote Grove Road842 m away | 92 m² | 122 m² | +30 m² +33% | 2021 |
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| 90, Coulsdon Road970 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
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| 44, Aveling Close907 m away | 53 m² | 82 m² | +29 m² +55% | 2022 |
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| 18, Reedham Drive910 m away | 108 m² | 137 m² | +29 m² +27% | 2019 |
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| 45, Woodside Road905 m away | 132 m² | 161 m² | +29 m² +22% | 2014 |
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| 8a, The Drive273 m away | 152 m² | 180 m² | +28 m² +18% | 2023 |
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| 69a, Stoats Nest Road208 m away | 49 m² | 77 m² | +28 m² +57% | 2015 |
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| 37, Burcott Road850 m away | 165 m² | 193 m² | +28 m² +17% | 2015 |
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| 8, Coulsdon Road531 m away | 61 m² | 88 m² | +27 m² +44% | 2026 |
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| 23b, Grove Wood Hill776 m away | 120 m² | 147 m² | +27 m² +23% | 2025 |
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| 93, Downlands Road900 m away | 117 m² | 144 m² | +27 m² +23% | 2022 |
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| 5, Fairfield Way666 m away | 96 m² | 123 m² | +27 m² +28% | 2016 |
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| Flat 3, 12, Brighton Road150 m away | 36 m² | 62 m² | +26 m² +72% | 2023 |
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| 63a, Woodcote Grove Road551 m away | 88 m² | 114 m² | +26 m² +30% | 2018 |
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| 142a, Old Lodge Lane825 m away | 98 m² | 123 m² | +25 m² +26% | 2024 |
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| 8, The Horseshoe618 m away | 115 m² | 140 m² | +25 m² +22% | 2022 |
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| 53, Hartley Down326 m away | 131 m² | 156 m² | +25 m² +19% | 2020 |
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| 21, Burcott Road850 m away | 165 m² | 190 m² | +25 m² +15% | 2019 |
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| 37, Deepfield Way671 m away | 63 m² | 88 m² | +25 m² +40% | 2018 |
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| 59, Deepfield Way793 m away | 94 m² | 118 m² | +24 m² +26% | 2017 |
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| 44, Windermere Road269 m away | 103 m² | 127 m² | +24 m² +23% | 2016 |
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| 71, The Vale439 m away | 82 m² | 106 m² | +24 m² +29% | 2014 |
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| 152, Brighton Road716 m away | 75 m² | 98 m² | +23 m² +31% | 2024 |
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| 105, Old Lodge Lane825 m away | 88 m² | 111 m² | +23 m² +26% | 2020 |
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| 79, Hartley Down311 m away | 123 m² | 146 m² | +23 m² +19% | 2019 |
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| 132, Old Lodge Lane825 m away | 111 m² | 134 m² | +23 m² +21% | 2017 |
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| 47b, South Drive410 m away | 80 m² | 103 m² | +23 m² +29% | 2015 |
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| 5, Rutherwick Rise855 m away | 104 m² | 126 m² | +22 m² +21% | 2026 |
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| 62, Byron Avenue643 m away | 129 m² | 151 m² | +22 m² +17% | 2024 |
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| Flat 6, 58, Old Lodge Lane642 m away | 66 m² | 88 m² | +22 m² +33% | 2023 |
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| 13, Victoria Road597 m away | 48 m² | 70 m² | +22 m² +46% | 2017 |
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| 64, Deepfield Way793 m away | 88 m² | 109 m² | +21 m² +24% | 2015 |
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| 23, Windermere Road249 m away | 125 m² | 146 m² | +21 m² +17% | 2013 |
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| Flat 1, Endlesham Court, 131, Woodcote Valley Road960 m away | 75 m² | 95 m² | +20 m² +27% | 2024 |
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| 19a, South Drive410 m away | 64 m² | 84 m² | +20 m² +31% | 2014 |
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| 20c, The Grove436 m away | 108 m² | 127 m² | +19 m² +18% | 2019 |
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| Flat 18, Emerald Court, 76, Brighton Road382 m away | 60 m² | 78 m² | +18 m² +30% | 2025 |
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| 50, Edward Road647 m away | 60 m² | 78 m² | +18 m² +30% | 2025 |
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| 22, The Vale492 m away | 102 m² | 120 m² | +18 m² +18% | 2023 |
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| 36, Windermere Road269 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
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| 43, Woodside Road905 m away | 103 m² | 121 m² | +18 m² +17% | 2020 |
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| 48, Edward Road647 m away | 63 m² | 80 m² | +17 m² +27% | 2022 |
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| 10, Brighton Road150 m away | 72 m² | 89 m² | +17 m² +24% | 2021 |
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| 55, Stoats Nest Village319 m away | 94 m² | 111 m² | +17 m² +18% | 2020 |
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| 27, Cordrey Gardens540 m away | 97 m² | 114 m² | +17 m² +18% | 2018 |
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| 183, Aveling Close915 m away | 56 m² | 73 m² | +17 m² +30% | 2018 |
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| 89, Old Lodge Lane825 m away | 61 m² | 78 m² | +17 m² +28% | 2014 |
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| Flat 3, 58, Old Lodge Lane642 m away | 60 m² | 76 m² | +16 m² +27% | 2023 |
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| 189, Brighton Road314 m away | 47 m² | 63 m² | +16 m² +34% | 2018 |
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| 14, South Drive377 m away | 85 m² | 100 m² | +15 m² +18% | 2020 |
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| 16, Woodside Road832 m away | 97 m² | 112 m² | +15 m² +15% | 2019 |
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| 2, Petersfield Crescent372 m away | 93 m² | 108 m² | +15 m² +16% | 2015 |
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| 65, Stoats Nest Road208 m away | 98 m² | 113 m² | +15 m² +15% | 2013 |
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