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 CR8 4BA
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 Road769 m away | 143 m² | 307 m² | +164 m² +115% | 2025 |
| 10, Hartley Way844 m away | 214 m² | 377 m² | +163 m² +76% | 2019 |
| 40, Welcomes Road819 m away | 104 m² | 256 m² | +152 m² +146% | 2018 |
| 3, Hartley Old Road899 m away | 119 m² | 259 m² | +140 m² +118% | 2024 |
| 18, Hadley Wood Rise580 m away | 135 m² | 272 m² | +137 m² +101% | 2025 |
| 138, Hayes Lane967 m away | 118 m² | 241 m² | +123 m² +104% | 2021 |
| 45, Abbots Lane705 m away | 160 m² | 281 m² | +121 m² +76% | 2021 |
| 3, Hartley Way906 m away | 141 m² | 253 m² | +112 m² +79% | 2026 |
| 46, Coulsdon Road954 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.
| 90 m² |
| 186 m² |
| +96 m² +107% |
| 2026 |
| 110, Coulsdon Road847 m away | 90 m² | 186 m² | +96 m² +107% | 2017 |
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| 42, Welcomes Road819 m away | 87 m² | 180 m² | +93 m² +107% | 2025 |
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| 2, Langham Dene463 m away | 128 m² | 221 m² | +93 m² +73% | 2022 |
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| 17, Firs Road415 m away | 183 m² | 272 m² | +89 m² +49% | 2022 |
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| 30, Pondfield Road640 m away | 147 m² | 231 m² | +84 m² +57% | 2021 |
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| Northwood, Bywood Close358 m away | 154 m² | 236 m² | +82 m² +53% | 2023 |
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| 2, Roke Road753 m away | 90 m² | 170 m² | +80 m² +89% | 2018 |
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| 6, Coulsdon Court Road769 m away | 123 m² | 201 m² | +78 m² +63% | 2020 |
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| 34, Coulsdon Road954 m away | 73 m² | 151 m² | +78 m² +107% | 2019 |
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| Victoria Lodge, 9, Hayes Lane917 m away | 149 m² | 225 m² | +76 m² +51% | 2024 |
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| 170, Hayes Lane967 m away | 426 m² | 502 m² | +76 m² +18% | 2011 |
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| 15, Zig Zag Road886 m away | 170 m² | 241 m² | +71 m² +42% | 2026 |
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| 64, Welcomes Road819 m away | 294 m² | 364 m² | +70 m² +24% | 2025 |
|---|
| 2, Kenmore Road806 m away | 93 m² | 157 m² | +64 m² +69% | 2011 |
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| 9, Beckett Avenue531 m away | 146 m² | 207 m² | +61 m² +42% | 2022 |
|---|
| 3, Beckett Avenue531 m away | 174 m² | 233 m² | +59 m² +34% | 2022 |
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| 51, Abbots Lane705 m away | 84 m² | 141 m² | +57 m² +68% | 2024 |
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| 31, Welcomes Road852 m away | 115 m² | 171 m² | +56 m² +49% | 2016 |
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| 42, Wontford Road59 m away | 83 m² | 138 m² | +55 m² +66% | 2026 |
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| 134, Hayes Lane967 m away | 80 m² | 135 m² | +55 m² +69% | 2025 |
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| 81, Kenmore Road746 m away | 92 m² | 147 m² | +55 m² +60% | 2016 |
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| 8, Driftwood Drive935 m away | 128 m² | 182 m² | +54 m² +42% | 2024 |
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| 74, Haydn Avenue328 m away | 87 m² | 141 m² | +54 m² +62% | 2023 |
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| 24, Wattendon Road378 m away | 97 m² | 150 m² | +53 m² +55% | 2026 |
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| 184, Old Lodge Lane312 m away | 61 m² | 114 m² | +53 m² +87% | 2025 |
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| 10, Driftwood Drive935 m away | 120 m² | 173 m² | +53 m² +44% | 2025 |
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| 56, Welcomes Road819 m away | 116 m² | 169 m² | +53 m² +46% | 2016 |
|---|
| 1, Whitefield Avenue112 m away | 79 m² | 131 m² | +52 m² +66% | 2018 |
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| 17, Wheat Knoll589 m away | 97 m² | 149 m² | +52 m² +54% | 2016 |
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| Tree Tops, Firs Road415 m away | 137 m² | 188 m² | +51 m² +37% | 2020 |
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| New Lovell, Firs Road376 m away | 108 m² | 159 m² | +51 m² +47% | 2016 |
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| 21, Hadley Wood Rise580 m away | 176 m² | 226 m² | +50 m² +28% | 2016 |
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| 7, Chertsey Close402 m away | 82 m² | 131 m² | +49 m² +60% | 2021 |
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| 4, Zig Zag Road886 m away | 177 m² | 225 m² | +48 m² +27% | 2025 |
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| 16, Coulsdon Road954 m away | 106 m² | 153 m² | +47 m² +44% | 2026 |
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| 28, Wattendon Road378 m away | 68 m² | 115 m² | +47 m² +69% | 2023 |
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| 97, Hartley Down983 m away | 148 m² | 195 m² | +47 m² +32% | 2018 |
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| 48, Hartley Hill667 m away | 185 m² | 231 m² | +46 m² +25% | 2021 |
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| 4, Burwood Avenue810 m away | 86 m² | 131 m² | +45 m² +52% | 2024 |
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| 15, Coulsdon Court Road769 m away | 151 m² | 195 m² | +44 m² +29% | 2026 |
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| 72, Hayes Lane519 m away | 123 m² | 167 m² | +44 m² +36% | 2023 |
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| 93, Haydn Avenue321 m away | 92 m² | 135 m² | +43 m² +47% | 2022 |
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| 73, Hartley Hill647 m away | 259 m² | 302 m² | +43 m² +17% | 2022 |
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| 24, Cullesden Road472 m away | 127 m² | 170 m² | +43 m² +34% | 2016 |
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| 23, Hartley Hill745 m away | 81 m² | 123 m² | +42 m² +52% | 2011 |
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| 30, Welcomes Road819 m away | 227 m² | 267 m² | +40 m² +18% | 2019 |
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| 6, Wattendon Road378 m away | 74 m² | 113 m² | +39 m² +53% | 2020 |
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| 2, Hartley Farm914 m away | 146 m² | 183 m² | +37 m² +25% | 2018 |
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| 161, Old Lodge Lane278 m away | 92 m² | 129 m² | +37 m² +40% | 2014 |
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| 8, Fairways891 m away | 134 m² | 170 m² | +36 m² +27% | 2015 |
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| 92, Hayes Lane435 m away | 121 m² | 157 m² | +36 m² +30% | 2012 |
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| 6, The Towers716 m away | 78 m² | 113 m² | +35 m² +45% | 2015 |
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| 52, Hartley Old Road954 m away | 216 m² | 250 m² | +34 m² +16% | 2024 |
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| The Coach House, 21, Park Road692 m away | 86 m² | 120 m² | +34 m² +40% | 2016 |
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| 5, Somerton Close0 m away | 104 m² | 138 m² | +34 m² +33% | 2014 |
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| 73, Oaks Road941 m away | 88 m² | 121 m² | +33 m² +38% | 2024 |
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| 25, Welcomes Road852 m away | 127 m² | 160 m² | +33 m² +26% | 2021 |
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| 264, Old Lodge Lane261 m away | 108 m² | 140 m² | +32 m² +30% | 2025 |
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| 17, Beckett Avenue531 m away | 200 m² | 232 m² | +32 m² +16% | 2022 |
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| 56, Byron Avenue970 m away | 93 m² | 125 m² | +32 m² +34% | 2020 |
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| 27, Burcott Road897 m away | 148 m² | 178 m² | +30 m² +20% | 2022 |
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| 90, Coulsdon Road847 m away | 92 m² | 121 m² | +29 m² +32% | 2025 |
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| 81, Oaks Road941 m away | 84 m² | 113 m² | +29 m² +35% | 2024 |
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| 225, Old Lodge Lane202 m away | 77 m² | 106 m² | +29 m² +38% | 2020 |
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| 17, Roke Road926 m away | 91 m² | 119 m² | +28 m² +31% | 2026 |
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| 28, Whitefield Avenue296 m away | 82 m² | 110 m² | +28 m² +34% | 2024 |
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| 16, Kenmore Road806 m away | 84 m² | 112 m² | +28 m² +33% | 2022 |
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| 11, Fairways891 m away | 161 m² | 189 m² | +28 m² +17% | 2015 |
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| 37, Burcott Road897 m away | 165 m² | 193 m² | +28 m² +17% | 2015 |
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| 34, Welcomes Road819 m away | 147 m² | 173 m² | +26 m² +18% | 2025 |
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| 142a, Old Lodge Lane524 m away | 98 m² | 123 m² | +25 m² +26% | 2024 |
|---|
| 21, Burcott Road897 m away | 165 m² | 190 m² | +25 m² +15% | 2019 |
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| Tilia House, 9, Welcomes Road819 m away | 146 m² | 171 m² | +25 m² +17% | 2017 |
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| 21, Cullesden Road472 m away | 24 m² | 48 m² | +24 m² +100% | 2014 |
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| 25, Oaks Road913 m away | 86 m² | 109 m² | +23 m² +27% | 2026 |
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| 8, Wheat Knoll589 m away | 98 m² | 121 m² | +23 m² +23% | 2024 |
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| 105, Old Lodge Lane591 m away | 88 m² | 111 m² | +23 m² +26% | 2020 |
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| 79, Hartley Down983 m away | 123 m² | 146 m² | +23 m² +19% | 2019 |
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| 132, Old Lodge Lane524 m away | 111 m² | 134 m² | +23 m² +21% | 2017 |
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| 10, Wheat Knoll589 m away | 148 m² | 171 m² | +23 m² +16% | 2012 |
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| 5, Rutherwick Rise941 m away | 104 m² | 126 m² | +22 m² +21% | 2026 |
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| 62, Byron Avenue970 m away | 129 m² | 151 m² | +22 m² +17% | 2024 |
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| Flat 6, 58, Old Lodge Lane878 m away | 66 m² | 88 m² | +22 m² +33% | 2023 |
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| 6, Parfour Drive782 m away | 128 m² | 148 m² | +20 m² +16% | 2024 |
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| 30, Highland Road648 m away | 111 m² | 131 m² | +20 m² +18% | 2017 |
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| 31, Wontford Road130 m away | 84 m² | 103 m² | +19 m² +23% | 2021 |
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| 17, Burwood Avenue810 m away | 86 m² | 104 m² | +18 m² +21% | 2026 |
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| 128, Coulsdon Road896 m away | 115 m² | 133 m² | +18 m² +16% | 2015 |
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| 91, Haydn Avenue321 m away | 88 m² | 105 m² | +17 m² +19% | 2026 |
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| 93, Hayes Lane519 m away | 68 m² | 85 m² | +17 m² +25% | 2019 |
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| 3, Oaks Way872 m away | 97 m² | 114 m² | +17 m² +18% | 2018 |
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| 29, Highland Road648 m away | 85 m² | 102 m² | +17 m² +20% | 2015 |
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| 89, Old Lodge Lane591 m away | 61 m² | 78 m² | +17 m² +28% | 2014 |
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| 1, Wontford Road130 m away | 74 m² | 90 m² | +16 m² +22% | 2025 |
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| Flat 3, 58, Old Lodge Lane878 m away | 60 m² | 76 m² | +16 m² +27% | 2023 |
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