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 KT9 1NQ
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 |
|---|---|---|---|---|
| 2a, Cox Lane942 m away | 82 m² | 180 m² | +98 m² +120% | 2024 |
| 26, Mansfield Road475 m away | 74 m² | 166 m² | +92 m² +124% | 2024 |
| 131, Compton Crescent931 m away | 77 m² | 161 m² | +84 m² +109% | 2024 |
| 59, Moor Lane707 m away | 71 m² | 142 m² | +71 m² +100% | 2026 |
| 13, Somerset Avenue324 m away | 103 m² | 172 m² | +69 m² +67% | 2024 |
| 309, Hook Road381 m away | 101 m² | 164 m² | +63 m² +62% | 2025 |
| 17, Vallis Way157 m away | 90 m² | 151 m² | +61 m² +68% | 2016 |
| 17, Ripon Gardens303 m away | 81 m² | 138 m² | +57 m² +70% | 2023 |
| 14, Tudor Close692 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.
| 110 m² |
| +56 m² +104% |
| 2022 |
| 29, Mansfield Road524 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
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| 125, Somerset Avenue253 m away | 126 m² | 179 m² | +53 m² +42% | 2026 |
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| 422, Hook Road375 m away | 76 m² | 129 m² | +53 m² +70% | 2023 |
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| 64, Stormont Way481 m away | 81 m² | 133 m² | +52 m² +64% | 2017 |
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| 36, Cheshire Gardens576 m away | 72 m² | 123 m² | +51 m² +71% | 2026 |
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| 4, Grange Road619 m away | 42 m² | 93 m² | +51 m² +121% | 2015 |
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| 87, Somerset Avenue253 m away | 90 m² | 140 m² | +50 m² +56% | 2026 |
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| 64, Moor Lane654 m away | 71 m² | 121 m² | +50 m² +70% | 2015 |
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| 337, Hook Rise South996 m away | 87 m² | 136 m² | +49 m² +56% | 2025 |
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| 3, Hatherleigh Close188 m away | 88 m² | 136 m² | +48 m² +55% | 2016 |
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| 11, Rhodrons Avenue419 m away | 89 m² | 136 m² | +47 m² +53% | 2025 |
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| 5, Orchard Gardens527 m away | 113 m² | 159 m² | +46 m² +41% | 2016 |
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| 40, Hartfield Road325 m away | 76 m² | 121 m² | +45 m² +59% | 2026 |
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| 132, Fullers Way South833 m away | 60 m² | 103 m² | +43 m² +72% | 2026 |
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| 2, Moor Lane597 m away | 119 m² | 162 m² | +43 m² +36% | 2021 |
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| 82, Grange Road671 m away | 59 m² | 101 m² | +42 m² +71% | 2026 |
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| 53, Haycroft Road984 m away | 70 m² | 111 m² | +41 m² +59% | 2024 |
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| 172, Bridge Road997 m away | 74 m² | 114 m² | +40 m² +54% | 2025 |
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| 21, Tiverton Way350 m away | 83 m² | 122 m² | +39 m² +47% | 2026 |
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| 45, Cheshire Gardens709 m away | 84 m² | 123 m² | +39 m² +46% | 2016 |
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| 10, Rosemary Gardens448 m away | 104 m² | 142 m² | +38 m² +37% | 2021 |
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| 61, Sanger Avenue911 m away | 90 m² | 127 m² | +37 m² +41% | 2025 |
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| 8, Kelvin Grove864 m away | 103 m² | 139 m² | +36 m² +35% | 2026 |
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| 71, Sussex Gardens687 m away | 83 m² | 119 m² | +36 m² +43% | 2018 |
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| 80, Elm Road474 m away | 102 m² | 138 m² | +36 m² +35% | 2016 |
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| 18, Marston Avenue956 m away | 70 m² | 105 m² | +35 m² +50% | 2025 |
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| 39, Hunters Road739 m away | 71 m² | 106 m² | +35 m² +49% | 2024 |
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| 54, Bolton Road770 m away | 120 m² | 155 m² | +35 m² +29% | 2023 |
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| 62, Somerset Avenue348 m away | 95 m² | 130 m² | +35 m² +37% | 2017 |
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| 62, Hartfield Road325 m away | 71 m² | 105 m² | +34 m² +48% | 2015 |
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| 5, Rhodrons Avenue419 m away | 68 m² | 102 m² | +34 m² +50% | 2015 |
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| 5, Newlands Way218 m away | 90 m² | 123 m² | +33 m² +37% | 2021 |
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| 67a, Leatherhead Road862 m away | 72 m² | 104 m² | +32 m² +44% | 2024 |
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| 28, Merritt Gardens922 m away | 80 m² | 112 m² | +32 m² +40% | 2024 |
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| 4, Cecil Lodge, Cecil Close199 m away | 84 m² | 116 m² | +32 m² +38% | 2018 |
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| 45, Grange Road649 m away | 75 m² | 107 m² | +32 m² +43% | 2014 |
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| 60, Stormont Way481 m away | 118 m² | 149 m² | +31 m² +26% | 2024 |
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| 24, Cox Lane942 m away | 85 m² | 116 m² | +31 m² +36% | 2023 |
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| Flat 1, 318, Hook Road278 m away | 89 m² | 120 m² | +31 m² +35% | 2022 |
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| 31, Hunters Road739 m away | 65 m² | 96 m² | +31 m² +48% | 2011 |
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| 36, Haycroft Road984 m away | 72 m² | 102 m² | +30 m² +42% | 2017 |
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| 6, St Pauls Close246 m away | 106 m² | 135 m² | +29 m² +27% | 2024 |
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| 36, Hunters Road697 m away | 67 m² | 96 m² | +29 m² +43% | 2022 |
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| 32, Haycroft Road984 m away | 73 m² | 102 m² | +29 m² +40% | 2018 |
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| 47, Bolton Road731 m away | 128 m² | 156 m² | +28 m² +22% | 2019 |
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| 38, Haycroft Road984 m away | 71 m² | 98 m² | +27 m² +38% | 2026 |
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| 73, Rhodrons Avenue590 m away | 74 m² | 101 m² | +27 m² +36% | 2025 |
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| 25, Stormont Way505 m away | 83 m² | 110 m² | +27 m² +33% | 2016 |
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| 8, Somerset Avenue348 m away | 99 m² | 125 m² | +26 m² +26% | 2025 |
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| 33, Bolton Road731 m away | 112 m² | 138 m² | +26 m² +23% | 2025 |
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| 37, Newlands Way218 m away | 78 m² | 104 m² | +26 m² +33% | 2022 |
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| 15, Woodgate Avenue290 m away | 102 m² | 128 m² | +26 m² +25% | 2017 |
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| 33, Somerset Avenue324 m away | 92 m² | 117 m² | +25 m² +27% | 2026 |
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| 240, Hook Road525 m away | 136 m² | 161 m² | +25 m² +18% | 2026 |
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| 34, Arnold Drive654 m away | 94 m² | 119 m² | +25 m² +27% | 2024 |
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| 400, Hook Road375 m away | 91 m² | 116 m² | +25 m² +27% | 2016 |
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| 5, Holmwood Road480 m away | 64 m² | 88 m² | +24 m² +38% | 2026 |
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| 65, Hartfield Road312 m away | 96 m² | 120 m² | +24 m² +25% | 2022 |
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| 63, Sussex Gardens687 m away | 120 m² | 144 m² | +24 m² +20% | 2019 |
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| 61, Haycroft Road984 m away | 70 m² | 93 m² | +23 m² +33% | 2026 |
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| 43, Vallis Way157 m away | 86 m² | 109 m² | +23 m² +27% | 2021 |
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| 5, Dorset Close403 m away | 144 m² | 167 m² | +23 m² +16% | 2020 |
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| 33, Coppard Gardens760 m away | 109 m² | 131 m² | +22 m² +20% | 2026 |
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| 45, Bridge Road638 m away | 71 m² | 93 m² | +22 m² +31% | 2024 |
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| 35, Orchard Road672 m away | 57 m² | 79 m² | +22 m² +39% | 2022 |
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| 8, Cox Lane942 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
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| 13, Mansfield Road524 m away | 72 m² | 94 m² | +22 m² +31% | 2017 |
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| 94, Clayton Road78 m away | 63 m² | 84 m² | +21 m² +33% | 2021 |
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| 16, Cecil Lodge, Cecil Close199 m away | 90 m² | 110 m² | +20 m² +22% | 2024 |
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| 120, Rhodrons Avenue598 m away | 79 m² | 99 m² | +20 m² +25% | 2024 |
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| 25, Holmwood Road480 m away | 81 m² | 101 m² | +20 m² +25% | 2022 |
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| 21, Cricketers Close68 m away | 74 m² | 94 m² | +20 m² +27% | 2016 |
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| 32, Sopwith Avenue856 m away | 24 m² | 44 m² | +20 m² +83% | 2016 |
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| 18, Glen Road905 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 88, Somerset Avenue276 m away | 99 m² | 118 m² | +19 m² +19% | 2024 |
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| 72, Stormont Way481 m away | 86 m² | 105 m² | +19 m² +22% | 2024 |
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| 69, Rhodrons Avenue590 m away | 91 m² | 110 m² | +19 m² +21% | 2021 |
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| 24, Moorfield Road617 m away | 77 m² | 96 m² | +19 m² +25% | 2021 |
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| 6, Cecil Close254 m away | 80 m² | 99 m² | +19 m² +24% | 2020 |
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| Flat 4, Arbrook Court, 87, Clayton Road97 m away | 42 m² | 61 m² | +19 m² +45% | 2014 |
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| 428, Hook Road375 m away | 75 m² | 93 m² | +18 m² +24% | 2023 |
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| 94, Fullers Way South997 m away | 97 m² | 115 m² | +18 m² +19% | 2023 |
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| 24, Tiverton Way350 m away | 87 m² | 105 m² | +18 m² +21% | 2019 |
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| 47, Cheshire Gardens709 m away | 80 m² | 98 m² | +18 m² +23% | 2018 |
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| 28, Rhodrons Avenue370 m away | 83 m² | 100 m² | +17 m² +20% | 2024 |
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| 11, Station Road768 m away | 80 m² | 97 m² | +17 m² +21% | 2024 |
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| 6, Clayton Road155 m away | 63 m² | 80 m² | +17 m² +27% | 2023 |
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| 58, Rhodrons Avenue598 m away | 74 m² | 91 m² | +17 m² +23% | 2023 |
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| 158, Bridge Road997 m away | 78 m² | 95 m² | +17 m² +22% | 2011 |
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| 33, Orchard Gardens527 m away | 89 m² | 105 m² | +16 m² +18% | 2026 |
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| 31, Cox Lane899 m away | 88 m² | 104 m² | +16 m² +18% | 2026 |
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| 43, Glen Road963 m away | 74 m² | 90 m² | +16 m² +22% | 2023 |
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| 332a, Hook Road260 m away | 65 m² | 81 m² | +16 m² +25% | 2021 |
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| 290, Hook Road381 m away | 72 m² | 87 m² | +15 m² +21% | 2023 |
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| 33, Hartfield Road312 m away | 75 m² | 90 m² | +15 m² +20% | 2019 |
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| 90, Fullers Way South997 m away | 60 m² | 75 m² | +15 m² +25% | 2017 |
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| 70, Hartfield Road325 m away | 71 m² | 86 m² | +15 m² +21% | 2015 |
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| 22, Buckland Road971 m away | 93 m² | 108 m² | +15 m² +16% | 2015 |
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| 386, Hook Road375 m away | 91 m² | 106 m² | +15 m² +16% | 2012 |
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