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 BL9 5NF
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, Crag Avenue173 m away | 80 m² | 137 m² | +57 m² +71% | 2019 |
| 16, Lilburn Close962 m away | 47 m² | 89 m² | +42 m² +89% | 2016 |
| 7, Cleveland Close689 m away | 110 m² | 149 m² | +39 m² +35% | 2015 |
| 851, Walmersley Road894 m away | 101 m² | 139 m² | +38 m² +38% | 2024 |
| 50, The Spinnings, Waterside Road385 m away | 79 m² | 116 m² | +37 m² +47% | 2023 |
| 43, Queens Place264 m away | 108 m² | 141 m² | +33 m² +31% | 2015 |
| 24, The Spinnings, Waterside Road385 m away | 39 m² | 71 m² | +32 m² +82% | 2021 |
| 899, Walmersley Road894 m away | 106 m² | 138 m² | +32 m² +30% | 2020 |
| 14, Raylees940 m away | 86 m² | 116 m² | +30 m² +35% | 2021 |
| 27, Marlborough Close836 m away | 137 m² | 165 m² | +28 m² +20% | 2025 |
| 9, The Spinnings, Waterside Road385 m away | 87 m² | 115 m² | +28 m² +32% | 2023 |
| 7, Miller Street384 m away | 77 m² | 103 m² | +26 m² +34% | 2019 |
| 114, Railway Street666 m away | 163 m² | 188 m² | +25 m² +15% | 2023 |
| 18, Cleveland Close689 m away | 106 m² | 131 m² | +25 m² +24% | 2020 |
| 2, Marlborough Close836 m away | 93 m² | 118 m² | +25 m² +27% | 2015 |
| 9, Holly Street623 m away | 68 m² | 91 m² | +23 m² +34% | 2025 |
| 23, The Spinnings, Waterside Road385 m away | 98 m² | 121 m² | +23 m² +23% | 2015 |
| 62, The Spinnings, Waterside Road385 m away | 69 m² | 91 m² | +22 m² +32% | 2023 |
| 5, The Spinnings, Waterside Road385 m away | 52 m² | 74 m² | +22 m² +42% | 2023 |
| 33, Rowlands Road0 m away | 91 m² | 110 m² | +19 m² +21% | 2023 |
| 11, Rowlands Road0 m away | 102 m² | 121 m² | +19 m² +19% | 2019 |
| 31, The Spinnings, Waterside Road385 m away | 35 m² | 53 m² | +18 m² +51% | 2026 |
| 37, Queens Place264 m away | 102 m² | 120 m² | +18 m² +18% | 2022 |
| 2, East View516 m away | 80 m² | 98 m² | +18 m² +23% | 2017 |
| 39, Falstone Avenue894 m away | 94 m² | 111 m² | +17 m² +18% | 2017 |
| 49, Marlborough Close836 m away | 107 m² | 124 m² | +17 m² +16% | 2016 |
| 18, The Spinnings, Waterside Road385 m away | 41 m² | 56 m² | +15 m² +37% | 2019 |
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.