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 CR2 9JB
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 |
|---|---|---|---|---|
| 53, Court Hill383 m away | 116 m² | 255 m² | +139 m² +120% | 2015 |
| Donkey Down, Hook Hill959 m away | 140 m² | 272 m² | +132 m² +94% | 2023 |
| 18, Court Hill420 m away | 109 m² | 235 m² | +126 m² +116% | 2026 |
| 3, Shaw Close133 m away | 137 m² | 253 m² | +116 m² +85% | 2022 |
| 2, Glebe Close264 m away | 109 m² | 215 m² | +106 m² +97% | 2025 |
| 30, Court Hill420 m away | 101 m² | 191 m² | +90 m² +89% | 2023 |
| 21, The Woodfields402 m away | 105 m² | 191 m² | +86 m² +82% | 2022 |
| 50, Brian Avenue235 m away | 130 m² | 215 m² | +85 m² +65% | 2026 |
| 23, Briton Hill Road787 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.
| 218 m² |
| +79 m² +57% |
| 2024 |
| 15, Briton Hill Road787 m away | 102 m² | 176 m² | +74 m² +73% | 2021 |
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| 106, Purley Oaks Road860 m away | 125 m² | 196 m² | +71 m² +57% | 2017 |
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| 21, Church Way945 m away | 149 m² | 219 m² | +70 m² +47% | 2025 |
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| 22, Court Hill420 m away | 113 m² | 183 m² | +70 m² +62% | 2018 |
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| 49, The Woodfields599 m away | 177 m² | 244 m² | +67 m² +38% | 2025 |
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| 31, Downsway525 m away | 125 m² | 191 m² | +66 m² +53% | 2021 |
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| 13, Holmwood Avenue763 m away | 64 m² | 127 m² | +63 m² +98% | 2014 |
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| 16, Tindale Close977 m away | 110 m² | 172 m² | +62 m² +56% | 2021 |
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| 19, The Woodfields402 m away | 75 m² | 137 m² | +62 m² +83% | 2019 |
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| 12, Church Way917 m away | 116 m² | 177 m² | +61 m² +53% | 2013 |
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| 5, North Down141 m away | 131 m² | 187 m² | +56 m² +43% | 2022 |
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| 95, Brian Avenue324 m away | 128 m² | 184 m² | +56 m² +44% | 2019 |
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| 68, Farm Fields625 m away | 112 m² | 166 m² | +54 m² +48% | 2020 |
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| 74, Hyde Road664 m away | 103 m² | 156 m² | +53 m² +51% | 2025 |
|---|
| 56, Church Way718 m away | 87 m² | 137 m² | +50 m² +57% | 2026 |
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| 9, Briton Crescent475 m away | 163 m² | 213 m² | +50 m² +31% | 2021 |
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| 27, Mitchley Hill736 m away | 95 m² | 141 m² | +46 m² +48% | 2026 |
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| 52, Westfield Avenue332 m away | 107 m² | 147 m² | +40 m² +37% | 2015 |
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| 15, Mitchley Grove677 m away | 89 m² | 128 m² | +39 m² +44% | 2024 |
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| 10, Downsway589 m away | 143 m² | 182 m² | +39 m² +27% | 2022 |
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| 16, Hurnford Close896 m away | 173 m² | 212 m² | +39 m² +23% | 2022 |
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| 9, Hyde Road485 m away | 79 m² | 118 m² | +39 m² +49% | 2020 |
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| 24, Riding Hill792 m away | 117 m² | 155 m² | +38 m² +32% | 2024 |
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| 64, Church Way718 m away | 100 m² | 138 m² | +38 m² +38% | 2022 |
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| 36, Farm Fields656 m away | 119 m² | 157 m² | +38 m² +32% | 2020 |
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| 6, Blenheim Gardens582 m away | 128 m² | 165 m² | +37 m² +29% | 2025 |
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| 43, The Ridge Way979 m away | 160 m² | 197 m² | +37 m² +23% | 2024 |
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| 16a, Hook Hill959 m away | 237 m² | 274 m² | +37 m² +16% | 2021 |
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| 16, Mitchley View873 m away | 78 m² | 115 m² | +37 m² +47% | 2013 |
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| 73, Church Way746 m away | 78 m² | 114 m² | +36 m² +46% | 2017 |
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| 56, Holmwood Avenue800 m away | 66 m² | 101 m² | +35 m² +53% | 2024 |
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| 139, Norfolk Avenue970 m away | 143 m² | 178 m² | +35 m² +24% | 2022 |
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| 9, Harbledown Road778 m away | 62 m² | 97 m² | +35 m² +56% | 2013 |
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| 64, Onslow Gardens782 m away | 147 m² | 181 m² | +34 m² +23% | 2026 |
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| 46, The Windings481 m away | 84 m² | 118 m² | +34 m² +40% | 2021 |
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| 63, Church Way746 m away | 82 m² | 116 m² | +34 m² +41% | 2021 |
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| 61a, Mitchley Avenue827 m away | 68 m² | 102 m² | +34 m² +50% | 2014 |
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| 2, Farm Fields656 m away | 106 m² | 140 m² | +34 m² +32% | 2013 |
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| 20, Hyde Road451 m away | 80 m² | 113 m² | +33 m² +41% | 2025 |
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| 96, Westfield Avenue642 m away | 84 m² | 117 m² | +33 m² +39% | 2025 |
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| 48, Mitchley Avenue981 m away | 97 m² | 130 m² | +33 m² +34% | 2019 |
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| 9, Tandridge Gardens814 m away | 71 m² | 103 m² | +32 m² +45% | 2022 |
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| 145, Purley Oaks Road890 m away | 186 m² | 217 m² | +31 m² +17% | 2025 |
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| 79, Westfield Avenue634 m away | 110 m² | 141 m² | +31 m² +28% | 2020 |
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| 39, Glebe Hyrst152 m away | 132 m² | 163 m² | +31 m² +23% | 2015 |
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| 10, Borrowdale Drive261 m away | 98 m² | 128 m² | +30 m² +31% | 2026 |
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| 44, Briton Hill Road764 m away | 129 m² | 159 m² | +30 m² +23% | 2025 |
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| Shaw House, Shaw Crescent0 m away | 200 m² | 230 m² | +30 m² +15% | 2021 |
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| 79, Church Way746 m away | 94 m² | 124 m² | +30 m² +32% | 2021 |
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| 7, Downsway525 m away | 143 m² | 173 m² | +30 m² +21% | 2020 |
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| 19, Farm Fields707 m away | 79 m² | 109 m² | +30 m² +38% | 2018 |
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| 20, Montague Avenue314 m away | 107 m² | 136 m² | +29 m² +27% | 2020 |
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| 61, Church Way746 m away | 104 m² | 133 m² | +29 m² +28% | 2020 |
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| 16, Cranleigh Gardens627 m away | 141 m² | 170 m² | +29 m² +21% | 2013 |
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| 4, Briton Hill Road764 m away | 161 m² | 189 m² | +28 m² +17% | 2026 |
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| 84, Church Way718 m away | 86 m² | 114 m² | +28 m² +33% | 2022 |
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| Holmwell, Hook Hill959 m away | 104 m² | 132 m² | +28 m² +27% | 2019 |
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| 63, Westfield Avenue634 m away | 99 m² | 127 m² | +28 m² +28% | 2014 |
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| 18, Briton Crescent417 m away | 162 m² | 189 m² | +27 m² +17% | 2025 |
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| 7, Brian Avenue222 m away | 116 m² | 143 m² | +27 m² +23% | 2021 |
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| 12, Addington Road955 m away | 175 m² | 202 m² | +27 m² +15% | 2021 |
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| 71, Westfield Avenue634 m away | 106 m² | 133 m² | +27 m² +25% | 2020 |
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| 5, Cranleigh Close504 m away | 49 m² | 75 m² | +26 m² +53% | 2026 |
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| 2a, Arkwright Road898 m away | 160 m² | 186 m² | +26 m² +16% | 2013 |
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| 40, The Ridge Way948 m away | 121 m² | 146 m² | +25 m² +21% | 2019 |
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| 11, Maywater Close803 m away | 95 m² | 119 m² | +24 m² +25% | 2022 |
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| Flat 25, Sanderstead Heights, 3, Addington Road498 m away | 47 m² | 71 m² | +24 m² +51% | 2018 |
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| 39, Addington Road710 m away | 78 m² | 102 m² | +24 m² +31% | 2013 |
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| 69, Westfield Avenue634 m away | 77 m² | 100 m² | +23 m² +30% | 2023 |
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| 81, Westfield Avenue634 m away | 99 m² | 122 m² | +23 m² +23% | 2018 |
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| 80, Hyde Road664 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
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| 42, Sanderstead Court Avenue917 m away | 106 m² | 129 m² | +23 m² +22% | 2013 |
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| 45, Sanderstead Court Avenue873 m away | 75 m² | 98 m² | +23 m² +31% | 2012 |
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| 3, Hyde Road485 m away | 94 m² | 116 m² | +22 m² +23% | 2016 |
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| 12, Mitchley View873 m away | 87 m² | 108 m² | +21 m² +24% | 2022 |
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| 18, Tandridge Gardens800 m away | 59 m² | 80 m² | +21 m² +36% | 2021 |
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| 13, Lower Barn Road974 m away | 99 m² | 120 m² | +21 m² +21% | 2019 |
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| 3, Westfield Avenue399 m away | 140 m² | 161 m² | +21 m² +15% | 2015 |
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| 24, Church Way718 m away | 109 m² | 129 m² | +20 m² +18% | 2024 |
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| Flat 4, 100, Limpsfield Road908 m away | 44 m² | 63 m² | +19 m² +43% | 2026 |
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| 17, Maywater Close803 m away | 98 m² | 117 m² | +19 m² +19% | 2024 |
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| 23, Rectory Park305 m away | 121 m² | 140 m² | +19 m² +16% | 2014 |
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| 99, Mitchley Avenue599 m away | 81 m² | 99 m² | +18 m² +22% | 2018 |
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| 50, Farm Fields656 m away | 113 m² | 131 m² | +18 m² +16% | 2017 |
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| 141, Mitchley Avenue599 m away | 108 m² | 126 m² | +18 m² +17% | 2015 |
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| 8, Limpsfield Road409 m away | 99 m² | 117 m² | +18 m² +18% | 2014 |
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| 11, Ownstead Gardens559 m away | 98 m² | 116 m² | +18 m² +18% | 2013 |
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| 89, Church Way746 m away | 94 m² | 111 m² | +17 m² +18% | 2021 |
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| 9, Briton Hill Road787 m away | 100 m² | 117 m² | +17 m² +17% | 2016 |
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| 11, Mitchley Grove677 m away | 91 m² | 108 m² | +17 m² +19% | 2015 |
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| 29, Mitchley Hill736 m away | 69 m² | 85 m² | +16 m² +23% | 2024 |
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| 95, Mitchley Avenue599 m away | 94 m² | 110 m² | +16 m² +17% | 2021 |
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| 64, Hyde Road664 m away | 100 m² | 116 m² | +16 m² +16% | 2015 |
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| 13, Mitchley View873 m away | 80 m² | 96 m² | +16 m² +20% | 2013 |
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