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 WA9 5DE
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, Rollesby Gardens991 m away | 76 m² | 148 m² | +72 m² +95% | 2015 |
| 1, Heigham Gardens979 m away | 146 m² | 193 m² | +47 m² +32% | 2024 |
| 436, Sherdley Road615 m away | 59 m² | 101 m² | +42 m² +71% | 2024 |
| 213, Elephant Lane948 m away | 34 m² | 76 m² | +42 m² +124% | 2013 |
| 6, Martham Gardens917 m away | 120 m² | 161 m² | +41 m² +34% | 2023 |
| 11, Small Holdings, Sherdley Road302 m away | 123 m² | 164 m² | +41 m² +33% | 2018 |
| 9, Kensington Avenue955 m away | 49 m² | 89 m² | +40 m² +82% | 2020 |
| 42, Mayfield Avenue795 m away | 38 m² | 75 m² | +37 m² +97% | 2026 |
| 14, Delph Hollow Way980 m away | 119 m² | 153 m² | +34 m² +29% | 2014 |
| 14, Balmoral Avenue968 m away | 65 m² | 97 m² | +32 m² +49% | 2024 |
| 21, Delph Hollow Way980 m away | 103 m² | 134 m² | +31 m² +30% | 2026 |
| 18, Hatfield Close530 m away | 69 m² | 96 m² | +27 m² +39% | 2015 |
| 23, Stevenage Close614 m away | 85 m² | 111 m² | +26 m² +31% | 2013 |
| 68, Sutton Park Drive885 m away | 76 m² | 101 m² | +25 m² +33% | 2020 |
| 8, Delph Hollow Way980 m away | 109 m² | 133 m² | +24 m² +22% | 2025 |
| 603, Elton Head Road820 m away | 110 m² | 134 m² | +24 m² +22% | 2016 |
| 23, Balmoral Avenue968 m away | 80 m² | 104 m² | +24 m² +30% | 2014 |
| 5, Delph Hollow Way980 m away | 100 m² | 123 m² | +23 m² +23% | 2014 |
| 82, Mayfield Avenue795 m away | 49 m² | 71 m² | +22 m² +45% | 2023 |
| 508, Sutton Heath Road787 m away | 82 m² | 104 m² | +22 m² +27% | 2011 |
| 400, Sherdley Road615 m away | 73 m² | 94 m² | +21 m² +29% | 2016 |
| 33, Delph Hollow Way980 m away | 104 m² | 125 m² | +21 m² +20% | 2014 |
| 227, Elephant Lane948 m away | 55 m² | 76 m² | +21 m² +38% | 2013 |
| 332, Sherdley Road317 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
| 50, Delph Hollow Way980 m away | 45 m² | 64 m² | +19 m² +42% | 2019 |
| 21, Rollesby Gardens991 m away | 98 m² | 116 m² | +18 m² +18% | 2026 |
| 36, Rollesby Gardens991 m away | 42 m² | 60 m² | +18 m² +43% | 2022 |
| 5, Denison Grove725 m away | 80 m² | 98 m² | +18 m² +23% | 2013 |
| 12, Clare Close809 m away | 69 m² | 86 m² | +17 m² +25% | 2025 |
| 4, Farringdon Close943 m away | 77 m² | 93 m² | +16 m² +21% | 2026 |
| 538, Sutton Heath Road787 m away | 79 m² | 95 m² | +16 m² +20% | 2016 |
| 8, Cheyne Walk889 m away | 76 m² | 91 m² | +15 m² +20% | 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.