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 CB23 8TL
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 |
|---|---|---|---|---|
| 18, Pettitts Lane907 m away | 77 m² | 186 m² | +109 m² +142% | 2024 |
| 70, Watermead0 m away | 74 m² | 154 m² | +80 m² +108% | 2016 |
| 32, Hillcrest99 m away | 108 m² | 170 m² | +62 m² +57% | 2016 |
| 80, Hillcrest99 m away | 54 m² | 106 m² | +52 m² +96% | 2026 |
| 130, Appletrees225 m away | 77 m² | 129 m² | +52 m² +68% | 2023 |
| 151, Pheasant Rise851 m away | 82 m² | 132 m² | +50 m² +61% | 2024 |
| 108, Appletrees225 m away | 84 m² | 132 m² | +48 m² +57% | 2017 |
| 32, Pettitts Lane907 m away | 97 m² | 140 m² | +43 m² +44% | 2024 |
| 27, Acorn Avenue374 m away | 103 m² | 144 m² | +41 m² +40% | 2026 |
| 59, Watermead0 m away | 42 m² | 83 m² | +41 m² +98% | 2015 |
| 48, Hillcrest99 m away | 55 m² | 96 m² | +41 m² +75% | 2015 |
| 48, Watermead110 m away | 54 m² | 94 m² | +40 m² +74% | 2026 |
| 31, Field View759 m away | 103 m² | 143 m² | +40 m² +39% | 2016 |
| 52, Watermead110 m away | 76 m² | 116 m² | +40 m² +53% | 2015 |
| Honey Hill Cottage, Pettitts Lane907 m away | 210 m² | 245 m² | +35 m² +17% | 2024 |
| 12, Hillcrest99 m away | 60 m² | 94 m² | +34 m² +57% | 2019 |
| 27, Almond Grove479 m away | 79 m² | 112 m² | +33 m² +42% | 2025 |
| 69, Watermead0 m away | 92 m² | 124 m² | +32 m² +35% | 2016 |
| 22, Otter Close804 m away | 78 m² | 110 m² | +32 m² +41% | 2014 |
| 91, Watermead0 m away | 77 m² | 106 m² | +29 m² +38% | 2016 |
| 25, The Spinney585 m away | 69 m² | 98 m² | +29 m² +42% | 2015 |
| 35, The Brambles243 m away | 75 m² | 102 m² | +27 m² +36% | 2017 |
| 88, The Spinney640 m away | 61 m² | 88 m² | +27 m² +44% | 2015 |
| 24, Almond Grove479 m away | 83 m² | 109 m² | +26 m² +31% | 2023 |
| 21, Stonefield911 m away | 42 m² | 65 m² | +23 m² +55% | 2014 |
| 86, Field View729 m away | 92 m² | 114 m² | +22 m² +24% | 2022 |
| 96, Oakington Road915 m away | 67 m² | 88 m² | +21 m² +31% | 2026 |
| 11, Appletrees359 m away | 58 m² | 79 m² | +21 m² +36% | 2021 |
| 46, Acorn Avenue374 m away | 76 m² | 97 m² | +21 m² +28% | 2020 |
| 22, Pettitts Lane907 m away | 108 m² | 128 m² | +20 m² +19% | 2022 |
| 4, Brookdale87 m away | 42 m² | 62 m² | +20 m² +48% | 2015 |
| 49, Field View729 m away | 88 m² | 107 m² | +19 m² +22% | 2019 |
| 5, Oatlands Avenue754 m away | 99 m² | 117 m² | +18 m² +18% | 2018 |
| 3, Oatlands Avenue754 m away | 88 m² | 105 m² | +17 m² +19% | 2022 |
| 28, Chestnut Rise223 m away | 60 m² | 76 m² | +16 m² +27% | 2024 |
| 136, Appletrees225 m away | 54 m² | 70 m² | +16 m² +30% | 2023 |
| 51, Hollytrees191 m away | 87 m² | 102 m² | +15 m² +17% | 2021 |
| 30, The Brambles219 m away | 68 m² | 83 m² | +15 m² +22% | 2021 |
| 95, Field View729 m away | 81 m² | 96 m² | +15 m² +19% | 2016 |
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.