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 CT3 4AG
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 |
|---|---|---|---|---|
| Newhaven, Littlebourne Road120 m away | 203 m² | 341 m² | +138 m² +68% | 2023 |
| 7, The Mount251 m away | 84 m² | 176 m² | +92 m² +110% | 2020 |
| 14, The Mount251 m away | 86 m² | 173 m² | +87 m² +101% | 2025 |
| 11, The Mount251 m away | 85 m² | 170 m² | +85 m² +100% | 2020 |
| 5, The Mount251 m away | 85 m² | 166 m² | +81 m² +95% | 2019 |
| Magnolia Gardens, Stodmarsh Road0 m away | 144 m² | 222 m² | +78 m² +54% | 2016 |
| Redwalls, Stodmarsh Road988 m away | 70 m² | 132 m² | +62 m² +89% | 2025 |
| 3, The Mount251 m away | 67 m² | 129 m² | +62 m² +93% | 2019 |
| 18, The Mount251 m away | 51 m² | 103 m² | +52 m² +102% | 2020 |
| 15, The Mount251 m away | 51 m² | 99 m² | +48 m² +94% | 2020 |
| 17, The Mount251 m away | 51 m² | 98 m² | +47 m² +92% | 2022 |
| 19, The Mount251 m away | 51 m² | 98 m² | +47 m² +92% | 2019 |
| Gables, Stodmarsh Road482 m away | 120 m² | 162 m² | +42 m² +35% | 2013 |
| Apple Tree Cottage, Stodmarsh Road482 m away | 55 m² | 91 m² | +36 m² +65% | 2017 |
| 12, The Mount251 m away | 45 m² | 80 m² | +35 m² +78% | 2025 |
| 53, Sussex Avenue993 m away | 86 m² | 118 m² | +32 m² +37% | 2026 |
| Avondale, Stodmarsh Road482 m away | 151 m² | 183 m² | +32 m² +21% | 2020 |
| Robins, Stodmarsh Road0 m away | 133 m² | 158 m² | +25 m² +19% | 2026 |
| Woodley, Stodmarsh Road482 m away | 93 m² | 117 m² | +24 m² +26% | 2012 |
| 6, Blenheim Avenue686 m away | 78 m² | 99 m² | +21 m² +27% | 2025 |
| Oast House Cottage, Stodmarsh Road0 m away | 60 m² | 78 m² | +18 m² +30% | 2021 |
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.