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 NP12 2NG
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 |
|---|---|---|---|---|
| 15, Orchard Court0 m away | 96 m² | 148 m² | +52 m² +54% | 2019 |
| 30, Elim Way401 m away | 70 m² | 117 m² | +47 m² +67% | 2012 |
| 11, Station Street829 m away | 62 m² | 107 m² | +45 m² +73% | 2014 |
| 35, Upland Road305 m away | 50 m² | 94 m² | +44 m² +88% | 2019 |
| 14, Upland Road114 m away | 85 m² | 118 m² | +33 m² +39% | 2025 |
| 3, Cwrt Pantycelyn453 m away | 89 m² | 120 m² | +31 m² +35% | 2024 |
| Brooklyn Bungalow999 m away | 47 m² | 74 m² | +27 m² +57% | 2023 |
| 16, Elim Way401 m away | 77 m² | 102 m² | +25 m² +32% | 2022 |
| 42, Mill Road591 m away | 79 m² | 104 m² | +25 m² +32% | 2012 |
| 66, Newbridge Road217 m away | 94 m² | 115 m² | +21 m² +22% | 2021 |
| 38, High Street897 m away | 83 m² | 104 m² | +21 m² +25% | 2021 |
| 13a, Newbridge Road361 m away | 41 m² | 62 m² | +21 m² +51% | 2018 |
| 11, Railway View528 m away | 92 m² | 112 m² | +20 m² +22% | 2026 |
| 9, Sirhowy View606 m away | 78 m² | 98 m² | +20 m² +26% | 2024 |
| 42, Cwm Braenar219 m away | 102 m² | 120 m² | +18 m² +18% | 2012 |
| 36, Sirhowy View606 m away | 90 m² | 107 m² | +17 m² +19% | 2024 |
| 18, Blackwood Road887 m away | 108 m² | 125 m² | +17 m² +16% | 2010 |
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.