Finding extended homes…
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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 2JS
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 |
|---|---|---|---|---|
| 26, Coulsdon Court Road355 m away | 143 m² | 307 m² | +164 m² +115% | 2025 |
| 10, Hartley Way409 m away | 214 m² | 377 m² | +163 m² +76% | 2019 |
| 9, The Avenue718 m away | 107 m² | 254 m² | +147 m² +137% | 2015 |
| 3, Hartley Old Road767 m away | 119 m² | 259 m² | +140 m² +118% | 2024 |
| 8, Chaldon Way857 m away | 128 m² | 257 m² | +129 m² +101% | 2021 |
| 3, Hartley Way446 m away | 141 m² | 253 m² | +112 m² +79% | 2026 |
| 25, Hartley Down722 m away | 75 m² | 175 m² | +100 m² +133% | 2017 |
| 59, Brighton Road627 m away | 88 m² | 187 m² | +99 m² +113% | 2014 |
| 46, Coulsdon Road151 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.
| 186 m² |
| +96 m² +107% |
| 2026 |
| 110, Coulsdon Road354 m away | 90 m² | 186 m² | +96 m² +107% | 2017 |
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| 10a, Woodcote Grove Road865 m away | 67 m² | 161 m² | +94 m² +140% | 2009 |
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| 37, Stoats Nest Road473 m away | 72 m² | 164 m² | +92 m² +128% | 2024 |
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| 19, Hartley Down722 m away | 130 m² | 220 m² | +90 m² +69% | 2019 |
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| 219, Brighton Road919 m away | 152 m² | 237 m² | +85 m² +56% | 2024 |
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| 39, Stoneyfield Road812 m away | 110 m² | 191 m² | +81 m² +74% | 2024 |
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| 6, Coulsdon Court Road355 m away | 123 m² | 201 m² | +78 m² +63% | 2020 |
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| 34, Coulsdon Road151 m away | 73 m² | 151 m² | +78 m² +107% | 2019 |
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| 7, The Drive885 m away | 122 m² | 200 m² | +78 m² +64% | 2015 |
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| 41, Byron Avenue0 m away | 108 m² | 177 m² | +69 m² +64% | 2023 |
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| 5, Chaldon Way840 m away | 111 m² | 180 m² | +69 m² +62% | 2020 |
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| 39, Bradmore Way939 m away | 105 m² | 174 m² | +69 m² +66% | 2019 |
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| 4, The Drive885 m away | 132 m² | 201 m² | +69 m² +52% | 2011 |
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| 11, The Avenue718 m away | 119 m² | 187 m² | +68 m² +57% | 2019 |
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| 4, Julien Road996 m away | 151 m² | 216 m² | +65 m² +43% | 2022 |
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| 29, Brighton Road715 m away | 102 m² | 163 m² | +61 m² +60% | 2017 |
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| 90, Windermere Road646 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
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| 74, Haydn Avenue929 m away | 87 m² | 141 m² | +54 m² +62% | 2023 |
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| 184, Old Lodge Lane815 m away | 61 m² | 114 m² | +53 m² +87% | 2025 |
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| 1, Whitefield Avenue991 m away | 79 m² | 131 m² | +52 m² +66% | 2018 |
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| 49, Bradmore Way939 m away | 113 m² | 164 m² | +51 m² +45% | 2016 |
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| 203a, Brighton Road919 m away | 101 m² | 151 m² | +50 m² +50% | 2020 |
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| Flat 4, 12, Brighton Road766 m away | 34 m² | 82 m² | +48 m² +141% | 2025 |
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| 78, Chipstead Valley Road920 m away | 65 m² | 113 m² | +48 m² +74% | 2019 |
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| 16, Coulsdon Road151 m away | 106 m² | 153 m² | +47 m² +44% | 2026 |
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| 4, Stoneyfield Road801 m away | 69 m² | 116 m² | +47 m² +68% | 2023 |
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| 7, The Avenue718 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
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| 97, Hartley Down425 m away | 148 m² | 195 m² | +47 m² +32% | 2018 |
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| 48, Hartley Hill657 m away | 185 m² | 231 m² | +46 m² +25% | 2021 |
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| 34, Bradmore Way983 m away | 69 m² | 115 m² | +46 m² +67% | 2017 |
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| 60, Birchfield Close464 m away | 80 m² | 126 m² | +46 m² +57% | 2015 |
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| 15, Coulsdon Court Road355 m away | 151 m² | 195 m² | +44 m² +29% | 2026 |
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| 10, Stanley Close969 m away | 89 m² | 133 m² | +44 m² +49% | 2025 |
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| 48, Marlpit Lane824 m away | 130 m² | 174 m² | +44 m² +34% | 2022 |
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| 73, Hartley Hill610 m away | 259 m² | 302 m² | +43 m² +17% | 2022 |
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| 93, Haydn Avenue968 m away | 92 m² | 135 m² | +43 m² +47% | 2022 |
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| 12, Woodcote Grove Road865 m away | 160 m² | 203 m² | +43 m² +27% | 2019 |
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| 23c, Chipstead Valley Road757 m away | 32 m² | 75 m² | +43 m² +134% | 2013 |
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| 55, South Drive746 m away | 55 m² | 97 m² | +42 m² +76% | 2026 |
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| 23, Hartley Hill791 m away | 81 m² | 123 m² | +42 m² +52% | 2011 |
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| 41, Stoneyfield Road812 m away | 130 m² | 171 m² | +41 m² +32% | 2016 |
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| 10a, The Drive885 m away | 113 m² | 152 m² | +39 m² +35% | 2025 |
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| 65, Coulsdon Rise706 m away | 87 m² | 126 m² | +39 m² +45% | 2021 |
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| 10, Cordrey Gardens231 m away | 77 m² | 114 m² | +37 m² +48% | 2021 |
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| 2, Hartley Farm588 m away | 146 m² | 183 m² | +37 m² +25% | 2018 |
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| 161, Old Lodge Lane853 m away | 92 m² | 129 m² | +37 m² +40% | 2014 |
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| 16, The Drive885 m away | 160 m² | 195 m² | +35 m² +22% | 2018 |
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| 52, Hartley Old Road757 m away | 216 m² | 250 m² | +34 m² +16% | 2024 |
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| 70, Marlpit Lane824 m away | 182 m² | 216 m² | +34 m² +19% | 2024 |
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| 264, Old Lodge Lane899 m away | 108 m² | 140 m² | +32 m² +30% | 2025 |
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| 47, Stoats Nest Village328 m away | 93 m² | 125 m² | +32 m² +34% | 2023 |
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| 3, The Drive885 m away | 201 m² | 233 m² | +32 m² +16% | 2022 |
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| 56, Byron Avenue46 m away | 93 m² | 125 m² | +32 m² +34% | 2020 |
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| 18, Woodcote Grove Road865 m away | 157 m² | 189 m² | +32 m² +20% | 2016 |
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| 70, Chipstead Valley Road920 m away | 68 m² | 100 m² | +32 m² +47% | 2014 |
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| 41, Stoats Nest Village328 m away | 105 m² | 136 m² | +31 m² +30% | 2014 |
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| Flat 2, 63, Woodcote Grove Road951 m away | 58 m² | 89 m² | +31 m² +53% | 2011 |
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| 9, Woodcote Grove Road849 m away | 92 m² | 122 m² | +30 m² +33% | 2021 |
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| 57, Coulsdon Rise706 m away | 99 m² | 129 m² | +30 m² +30% | 2017 |
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| 90, Coulsdon Road354 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
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| 8, Stanley Close969 m away | 106 m² | 135 m² | +29 m² +27% | 2025 |
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| 28a, Fairdene Road881 m away | 73 m² | 102 m² | +29 m² +40% | 2023 |
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| 225, Old Lodge Lane934 m away | 77 m² | 106 m² | +29 m² +38% | 2020 |
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| 8a, The Drive885 m away | 152 m² | 180 m² | +28 m² +18% | 2023 |
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| 69a, Stoats Nest Road473 m away | 49 m² | 77 m² | +28 m² +57% | 2015 |
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| 8, Coulsdon Road151 m away | 61 m² | 88 m² | +27 m² +44% | 2026 |
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| 28, Fairdene Road881 m away | 28 m² | 55 m² | +27 m² +96% | 2021 |
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| 11, Marlpit Avenue613 m away | 173 m² | 200 m² | +27 m² +16% | 2016 |
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| Flat 3, 12, Brighton Road766 m away | 36 m² | 62 m² | +26 m² +72% | 2023 |
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| 63a, Woodcote Grove Road951 m away | 88 m² | 114 m² | +26 m² +30% | 2018 |
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| 142a, Old Lodge Lane832 m away | 98 m² | 123 m² | +25 m² +26% | 2024 |
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| 53, Hartley Down722 m away | 131 m² | 156 m² | +25 m² +19% | 2020 |
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| 37, Deepfield Way85 m away | 63 m² | 88 m² | +25 m² +40% | 2018 |
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| 59, Deepfield Way334 m away | 94 m² | 118 m² | +24 m² +26% | 2017 |
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| 44, Windermere Road510 m away | 103 m² | 127 m² | +24 m² +23% | 2016 |
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| 105, Old Lodge Lane897 m away | 88 m² | 111 m² | +23 m² +26% | 2020 |
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| 79, Hartley Down425 m away | 123 m² | 146 m² | +23 m² +19% | 2019 |
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| 132, Old Lodge Lane832 m away | 111 m² | 134 m² | +23 m² +21% | 2017 |
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| 47b, South Drive746 m away | 80 m² | 103 m² | +23 m² +29% | 2015 |
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| 5, Rutherwick Rise216 m away | 104 m² | 126 m² | +22 m² +21% | 2026 |
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| 62, Byron Avenue46 m away | 129 m² | 151 m² | +22 m² +17% | 2024 |
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| Flat 6, 58, Old Lodge Lane925 m away | 66 m² | 88 m² | +22 m² +33% | 2023 |
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| 13, Victoria Road581 m away | 48 m² | 70 m² | +22 m² +46% | 2017 |
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| 64, Deepfield Way334 m away | 88 m² | 109 m² | +21 m² +24% | 2015 |
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| 23, Windermere Road556 m away | 125 m² | 146 m² | +21 m² +17% | 2013 |
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| 19a, South Drive746 m away | 64 m² | 84 m² | +20 m² +31% | 2014 |
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| 9, Shelley Close905 m away | 104 m² | 123 m² | +19 m² +18% | 2025 |
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| 20c, The Grove793 m away | 108 m² | 127 m² | +19 m² +18% | 2019 |
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| 28b, Fairdene Road881 m away | 43 m² | 61 m² | +18 m² +42% | 2026 |
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| 50, Edward Road570 m away | 60 m² | 78 m² | +18 m² +30% | 2025 |
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| Flat 18, Emerald Court, 76, Brighton Road644 m away | 60 m² | 78 m² | +18 m² +30% | 2025 |
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| 10, Downs Road778 m away | 107 m² | 125 m² | +18 m² +17% | 2024 |
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| 36, Windermere Road510 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
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| 128, Coulsdon Road656 m away | 115 m² | 133 m² | +18 m² +16% | 2015 |
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| 91, Haydn Avenue968 m away | 88 m² | 105 m² | +17 m² +19% | 2026 |
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| 48, Edward Road570 m away | 63 m² | 80 m² | +17 m² +27% | 2022 |
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| 2, Chaldon Way857 m away | 106 m² | 123 m² | +17 m² +16% | 2022 |
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| 10, Brighton Road766 m away | 72 m² | 89 m² | +17 m² +24% | 2021 |
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| 55, Stoats Nest Village328 m away | 94 m² | 111 m² | +17 m² +18% | 2020 |
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| 27, Cordrey Gardens231 m away | 97 m² | 114 m² | +17 m² +18% | 2018 |
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| 89, Old Lodge Lane897 m away | 61 m² | 78 m² | +17 m² +28% | 2014 |
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| Flat 3, 58, Old Lodge Lane925 m away | 60 m² | 76 m² | +16 m² +27% | 2023 |
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| 189, Brighton Road919 m away | 47 m² | 63 m² | +16 m² +34% | 2018 |
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| 14, South Drive701 m away | 85 m² | 100 m² | +15 m² +18% | 2020 |
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| 109, Chipstead Valley Road920 m away | 68 m² | 83 m² | +15 m² +22% | 2019 |
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| 2, Petersfield Crescent277 m away | 93 m² | 108 m² | +15 m² +16% | 2015 |
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| 65, Stoats Nest Road473 m away | 98 m² | 113 m² | +15 m² +15% | 2013 |
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| 37, Fairdene Road769 m away | 72 m² | 87 m² | +15 m² +21% | 2013 |
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