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 IP17 1FZ
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 |
|---|---|---|---|---|
| Langley Manor, North Entrance399 m away | 405 m² | 573 m² | +168 m² +41% | 2026 |
| The Laundry798 m away | 253 m² | 322 m² | +69 m² +27% | 2026 |
| The Chestnuts798 m away | 196 m² | 257 m² | +61 m² +31% | 2021 |
| 15, Rendham Road719 m away | 109 m² | 166 m² | +57 m² +52% | 2026 |
| 4, Rendham Road719 m away | 55 m² | 105 m² | +50 m² +91% | 2024 |
| 3, South Entrance629 m away | 71 m² | 121 m² | +50 m² +70% | 2023 |
| 20, Station Approach488 m away | 72 m² | 104 m² | +32 m² +44% | 2024 |
| 21, Manor Gardens557 m away | 136 m² | 166 m² | +30 m² +22% | 2024 |
| 22, Station Approach488 m away | 72 m² | 101 m² | +29 m² +40% | 2024 |
| 12, Station Approach488 m away | 72 m² | 101 m² | +29 m² +40% | 2024 |
| 8, Station Approach488 m away | 72 m² | 101 m² | +29 m² +40% | 2024 |
| 16, Station Approach488 m away | 72 m² | 100 m² | +28 m² +39% | 2020 |
| 6, Station Approach488 m away | 72 m² | 100 m² | +28 m² +39% | 2019 |
| Highbury House, Station Approach488 m away | 41 m² | 69 m² | +28 m² +68% | 2016 |
| 10, Station Approach488 m away | 72 m² | 99 m² | +27 m² +38% | 2019 |
| 14, Station Approach488 m away | 72 m² | 98 m² | +26 m² +36% | 2010 |
| 18, Station Approach488 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
| 50, Fairfield Road510 m away | 93 m² | 114 m² | +21 m² +23% | 2024 |
| The Hide, 9b, Chapel Road619 m away | 91 m² | 111 m² | +20 m² +22% | 2025 |
| 6, Albion Street615 m away | 61 m² | 80 m² | +19 m² +31% | 2025 |
| 1, Chapel Road619 m away | 100 m² | 118 m² | +18 m² +18% | 2021 |
| 15, Manor Gardens557 m away | 120 m² | 138 m² | +18 m² +15% | 2020 |
| 26, Manor Gardens557 m away | 105 m² | 123 m² | +18 m² +17% | 2020 |
| 38, St Johns Road704 m away | 90 m² | 107 m² | +17 m² +19% | 2025 |
| 8, Felsham Rise706 m away | 93 m² | 109 m² | +16 m² +17% | 2015 |
| 20, Albion Street615 m away | 59 m² | 74 m² | +15 m² +25% | 2015 |
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.