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 1NS
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, Mansfield Road481 m away | 74 m² | 166 m² | +92 m² +124% | 2024 |
| 59, Moor Lane799 m away | 71 m² | 142 m² | +71 m² +100% | 2026 |
| 13, Somerset Avenue402 m away | 103 m² | 172 m² | +69 m² +67% | 2024 |
| 309, Hook Road474 m away | 101 m² | 164 m² | +63 m² +62% | 2025 |
| 17, Vallis Way193 m away | 90 m² | 151 m² | +61 m² +68% | 2016 |
| 17, Ripon Gardens261 m away | 81 m² | 138 m² | +57 m² +70% | 2023 |
| 14, Tudor Close788 m away | 54 m² | 110 m² | +56 m² +104% | 2022 |
| 29, Mansfield Road530 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
| 125, Somerset Avenue279 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.
| 126 m² |
| 179 m² |
| +53 m² +42% |
| 2026 |
| 422, Hook Road415 m away | 76 m² | 129 m² | +53 m² +70% | 2023 |
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| 64, Stormont Way424 m away | 81 m² | 133 m² | +52 m² +64% | 2017 |
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| 36, Cheshire Gardens563 m away | 72 m² | 123 m² | +51 m² +71% | 2026 |
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| 4, Grange Road703 m away | 42 m² | 93 m² | +51 m² +121% | 2015 |
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| 87, Somerset Avenue279 m away | 90 m² | 140 m² | +50 m² +56% | 2026 |
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| 64, Moor Lane745 m away | 71 m² | 121 m² | +50 m² +70% | 2015 |
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| 3, Hatherleigh Close214 m away | 88 m² | 136 m² | +48 m² +55% | 2016 |
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| 11, Rhodrons Avenue510 m away | 89 m² | 136 m² | +47 m² +53% | 2025 |
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| 5, Orchard Gardens623 m away | 113 m² | 159 m² | +46 m² +41% | 2016 |
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| 40, Hartfield Road357 m away | 76 m² | 121 m² | +45 m² +59% | 2026 |
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| 132, Fullers Way South924 m away | 60 m² | 103 m² | +43 m² +72% | 2026 |
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| 2, Moor Lane693 m away | 119 m² | 162 m² | +43 m² +36% | 2021 |
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| 82, Grange Road765 m away | 59 m² | 101 m² | +42 m² +71% | 2026 |
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| 21, Tiverton Way313 m away | 83 m² | 122 m² | +39 m² +47% | 2026 |
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| 45, Cheshire Gardens688 m away | 84 m² | 123 m² | +39 m² +46% | 2016 |
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| 10, Rosemary Gardens544 m away | 104 m² | 142 m² | +38 m² +37% | 2021 |
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| 8, Kelvin Grove918 m away | 103 m² | 139 m² | +36 m² +35% | 2026 |
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| 71, Sussex Gardens676 m away | 83 m² | 119 m² | +36 m² +43% | 2018 |
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| 80, Elm Road571 m away | 102 m² | 138 m² | +36 m² +35% | 2016 |
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| 39, Hunters Road827 m away | 71 m² | 106 m² | +35 m² +49% | 2024 |
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| 54, Bolton Road803 m away | 120 m² | 155 m² | +35 m² +29% | 2023 |
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| 62, Somerset Avenue415 m away | 95 m² | 130 m² | +35 m² +37% | 2017 |
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| 62, Hartfield Road357 m away | 71 m² | 105 m² | +34 m² +48% | 2015 |
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| 5, Rhodrons Avenue510 m away | 68 m² | 102 m² | +34 m² +50% | 2015 |
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| 5, Newlands Way129 m away | 90 m² | 123 m² | +33 m² +37% | 2021 |
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| 67a, Leatherhead Road860 m away | 72 m² | 104 m² | +32 m² +44% | 2024 |
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| 28, Merritt Gardens877 m away | 80 m² | 112 m² | +32 m² +40% | 2024 |
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| 4, Cecil Lodge, Cecil Close294 m away | 84 m² | 116 m² | +32 m² +38% | 2018 |
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| 45, Grange Road739 m away | 75 m² | 107 m² | +32 m² +43% | 2014 |
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| 60, Stormont Way424 m away | 118 m² | 149 m² | +31 m² +26% | 2024 |
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| Flat 1, 318, Hook Road375 m away | 89 m² | 120 m² | +31 m² +35% | 2022 |
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| 31, Hunters Road827 m away | 65 m² | 96 m² | +31 m² +48% | 2011 |
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| 6, St Pauls Close343 m away | 106 m² | 135 m² | +29 m² +27% | 2024 |
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| 36, Hunters Road785 m away | 67 m² | 96 m² | +29 m² +43% | 2022 |
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| 47, Bolton Road766 m away | 128 m² | 156 m² | +28 m² +22% | 2019 |
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| 73, Rhodrons Avenue672 m away | 74 m² | 101 m² | +27 m² +36% | 2025 |
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| 25, Stormont Way435 m away | 83 m² | 110 m² | +27 m² +33% | 2016 |
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| 8, Somerset Avenue415 m away | 99 m² | 125 m² | +26 m² +26% | 2025 |
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| 33, Bolton Road766 m away | 112 m² | 138 m² | +26 m² +23% | 2025 |
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| 37, Newlands Way129 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 Avenue402 m away | 92 m² | 117 m² | +25 m² +27% | 2026 |
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| 240, Hook Road601 m away | 136 m² | 161 m² | +25 m² +18% | 2026 |
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| 34, Arnold Drive623 m away | 94 m² | 119 m² | +25 m² +27% | 2024 |
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| 400, Hook Road415 m away | 91 m² | 116 m² | +25 m² +27% | 2016 |
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| 5, Holmwood Road555 m away | 64 m² | 88 m² | +24 m² +38% | 2026 |
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| 65, Hartfield Road334 m away | 96 m² | 120 m² | +24 m² +25% | 2022 |
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| 63, Sussex Gardens676 m away | 120 m² | 144 m² | +24 m² +20% | 2019 |
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| 43, Vallis Way193 m away | 86 m² | 109 m² | +23 m² +27% | 2021 |
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| 5, Dorset Close463 m away | 144 m² | 167 m² | +23 m² +16% | 2020 |
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| 33, Coppard Gardens722 m away | 109 m² | 131 m² | +22 m² +20% | 2026 |
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| 45, Bridge Road696 m away | 71 m² | 93 m² | +22 m² +31% | 2024 |
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| 35, Orchard Road768 m away | 57 m² | 79 m² | +22 m² +39% | 2022 |
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| 13, Mansfield Road530 m away | 72 m² | 94 m² | +22 m² +31% | 2017 |
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| 94, Clayton Road76 m away | 63 m² | 84 m² | +21 m² +33% | 2021 |
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| 16, Cecil Lodge, Cecil Close294 m away | 90 m² | 110 m² | +20 m² +22% | 2024 |
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| 120, Rhodrons Avenue677 m away | 79 m² | 99 m² | +20 m² +25% | 2024 |
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| 25, Holmwood Road555 m away | 81 m² | 101 m² | +20 m² +25% | 2022 |
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| 21, Cricketers Close93 m away | 74 m² | 94 m² | +20 m² +27% | 2016 |
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| 32, Sopwith Avenue941 m away | 24 m² | 44 m² | +20 m² +83% | 2016 |
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| 18, Glen Road998 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 88, Somerset Avenue316 m away | 99 m² | 118 m² | +19 m² +19% | 2024 |
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| 72, Stormont Way424 m away | 86 m² | 105 m² | +19 m² +22% | 2024 |
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| 69, Rhodrons Avenue672 m away | 91 m² | 110 m² | +19 m² +21% | 2021 |
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| 24, Moorfield Road702 m away | 77 m² | 96 m² | +19 m² +25% | 2021 |
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| 6, Cecil Close348 m away | 80 m² | 99 m² | +19 m² +24% | 2020 |
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| Flat 4, Arbrook Court, 87, Clayton Road0 m away | 42 m² | 61 m² | +19 m² +45% | 2014 |
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| 428, Hook Road415 m away | 75 m² | 93 m² | +18 m² +24% | 2023 |
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| 24, Tiverton Way313 m away | 87 m² | 105 m² | +18 m² +21% | 2019 |
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| 47, Cheshire Gardens688 m away | 80 m² | 98 m² | +18 m² +23% | 2018 |
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| 28, Rhodrons Avenue454 m away | 83 m² | 100 m² | +17 m² +20% | 2024 |
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| 11, Station Road850 m away | 80 m² | 97 m² | +17 m² +21% | 2024 |
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| 6, Clayton Road249 m away | 63 m² | 80 m² | +17 m² +27% | 2023 |
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| 58, Rhodrons Avenue677 m away | 74 m² | 91 m² | +17 m² +23% | 2023 |
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| 33, Orchard Gardens623 m away | 89 m² | 105 m² | +16 m² +18% | 2026 |
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| 31, Cox Lane995 m away | 88 m² | 104 m² | +16 m² +18% | 2026 |
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| 332a, Hook Road351 m away | 65 m² | 81 m² | +16 m² +25% | 2021 |
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| 290, Hook Road468 m away | 72 m² | 87 m² | +15 m² +21% | 2023 |
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| 33, Hartfield Road334 m away | 75 m² | 90 m² | +15 m² +20% | 2019 |
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| 70, Hartfield Road357 m away | 71 m² | 86 m² | +15 m² +21% | 2015 |
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| 386, Hook Road415 m away | 91 m² | 106 m² | +15 m² +16% | 2012 |
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