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 WA3 7HQ
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 |
|---|---|---|---|---|
| Gresley House, Mustard Lane703 m away | 251 m² | 562 m² | +311 m² +124% | 2026 |
| 12, Dam Lane480 m away | 145 m² | 288 m² | +143 m² +99% | 2020 |
| 18, Gosling Road439 m away | 85 m² | 153 m² | +68 m² +80% | 2020 |
| 10, Smithy Brow218 m away | 119 m² | 180 m² | +61 m² +51% | 2019 |
| 2, Maythorn Avenue161 m away | 59 m² | 116 m² | +57 m² +97% | 2018 |
| 22, Mill House Lane650 m away | 110 m² | 162 m² | +52 m² +47% | 2024 |
| 12, New Lane278 m away | 119 m² | 169 m² | +50 m² +42% | 2020 |
| 13, Gosling Road439 m away | 84 m² | 130 m² | +46 m² +55% | 2020 |
| 13, Churchfields699 m away | 113 m² | 159 m² | +46 m² +41% | 2014 |
| 42, Browmere Drive219 m away | 78 m² | 121 m² | +43 m² +55% | 2022 |
| 18, Deacons Close350 m away | 141 m² | 183 m² | +42 m² +30% | 2015 |
| 8, Wadeson Way644 m away | 121 m² | 160 m² | +39 m² +32% | 2015 |
| 9, Smithy Lane0 m away | 70 m² | 97 m² | +27 m² +39% | 2023 |
| Mustard Cottage, Sandy Lane571 m away | 146 m² | 172 m² | +26 m² +18% | 2024 |
| 32, Cornmill Court144 m away | 146 m² | 171 m² | +25 m² +17% | 2024 |
| 32, Browmere Drive219 m away | 82 m² | 106 m² | +24 m² +29% | 2025 |
| 39, Churchfields699 m away | 95 m² | 116 m² | +21 m² +22% | 2014 |
| 81, Browmere Drive262 m away | 90 m² | 110 m² | +20 m² +22% | 2021 |
| 30, Cornmill Court144 m away | 92 m² | 109 m² | +17 m² +18% | 2025 |
| 2, Dam Lane480 m away | 92 m² | 108 m² | +16 m² +17% | 2025 |
| 5, Gerrard Road181 m away | 66 m² | 81 m² | +15 m² +23% | 2024 |
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.