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 DL14 7GA
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 |
|---|---|---|---|---|
| 9, South Church Road989 m away | 82 m² | 145 m² | +63 m² +77% | 2015 |
| 1, Walcher Gardens0 m away | 119 m² | 175 m² | +56 m² +47% | 2026 |
| 95, William Street706 m away | 89 m² | 119 m² | +30 m² +34% | 2009 |
| 10, Pilkington Way675 m away | 116 m² | 145 m² | +29 m² +25% | 2023 |
| 36, Salisbury Place870 m away | 86 m² | 115 m² | +29 m² +34% | 2021 |
| 94, William Street706 m away | 89 m² | 116 m² | +27 m² +30% | 2013 |
| 1, Queens Road859 m away | 96 m² | 123 m² | +27 m² +28% | 2013 |
| 19, Douglas Crescent522 m away | 74 m² | 100 m² | +26 m² +35% | 2022 |
| 31, Westcott Drive715 m away | 113 m² | 139 m² | +26 m² +23% | 2021 |
| 7, Park Avenue534 m away | 117 m² | 141 m² | +24 m² +21% | 2020 |
| 72, William Street706 m away | 91 m² | 114 m² | +23 m² +25% | 2026 |
| 41, St Phillips Close926 m away | 89 m² | 112 m² | +23 m² +26% | 2023 |
| 18, Van Mildert Close296 m away | 100 m² | 120 m² | +20 m² +20% | 2025 |
| 8, Redworth Grove146 m away | 112 m² | 132 m² | +20 m² +18% | 2014 |
| 20, Salisbury Place870 m away | 113 m² | 130 m² | +17 m² +15% | 2023 |
| 40, Walcher Gardens0 m away | 92 m² | 109 m² | +17 m² +18% | 2014 |
| 1, Pilkington Way675 m away | 62 m² | 78 m² | +16 m² +26% | 2014 |
| 11, Farnham Close767 m away | 68 m² | 84 m² | +16 m² +24% | 2014 |
| 1, Grange Avenue592 m away | 87 m² | 102 m² | +15 m² +17% | 2025 |
| 15, Thurlow Gardens233 m away | 99 m² | 114 m² | +15 m² +15% | 2024 |
| 8, Maltby Close680 m away | 90 m² | 105 m² | +15 m² +17% | 2024 |
| 17, Hazelbank371 m away | 85 m² | 100 m² | +15 m² +18% | 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.