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 CB22 4NQ
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 |
|---|---|---|---|---|
| 18a, Church Close551 m away | 163 m² | 336 m² | +173 m² +106% | 2019 |
| 17, Station Road997 m away | 135 m² | 260 m² | +125 m² +93% | 2020 |
| 23, Royston Road890 m away | 79 m² | 172 m² | +93 m² +118% | 2025 |
| 26, Royston Road890 m away | 103 m² | 196 m² | +93 m² +90% | 2017 |
| 21, Station Road997 m away | 71 m² | 155 m² | +84 m² +118% | 2011 |
| 9, West End772 m away | 120 m² | 202 m² | +82 m² +68% | 2024 |
| 48, Duxford Road0 m away | 113 m² | 190 m² | +77 m² +68% | 2016 |
| 102, Duxford Road372 m away | 93 m² | 158 m² | +65 m² +70% | 2023 |
| 122, Duxford Road372 m away | 130 m² | 193 m² | +63 m² +48% | 2018 |
| 21, Church Close551 m away | 69 m² | 130 m² | +61 m² +88% | 2017 |
| 18, Royston Road890 m away | 103 m² | 161 m² | +58 m² +56% | 2020 |
| 14, Ascham Lane617 m away | 148 m² | 195 m² | +47 m² +32% | 2021 |
| 114, Duxford Road372 m away | 111 m² | 155 m² | +44 m² +40% | 2019 |
| 23, Duxford Road0 m away | 103 m² | 142 m² | +39 m² +38% | 2020 |
| 3, Orchard Terrace507 m away | 111 m² | 147 m² | +36 m² +32% | 2017 |
| 113, Duxford Road789 m away | 123 m² | 158 m² | +35 m² +28% | 2023 |
| 7, Duxford Road0 m away | 113 m² | 148 m² | +35 m² +31% | 2022 |
| 22, Mill Lane245 m away | 101 m² | 133 m² | +32 m² +32% | 2020 |
| 17d, West End772 m away | 149 m² | 181 m² | +32 m² +21% | 2016 |
| 36, Springfield Road988 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
| 28, Duxford Road229 m away | 130 m² | 161 m² | +31 m² +24% | 2022 |
| 3, Station Road997 m away | 176 m² | 207 m² | +31 m² +18% | 2016 |
| 112, Duxford Road372 m away | 82 m² | 110 m² | +28 m² +34% | 2019 |
| 34, Royston Road890 m away | 36 m² | 60 m² | +24 m² +67% | 2019 |
| 32, Meadowfield Road990 m away | 74 m² | 98 m² | +24 m² +32% | 2016 |
| 24, Church Close551 m away | 65 m² | 87 m² | +22 m² +34% | 2025 |
| 44, Springfield Road988 m away | 72 m² | 93 m² | +21 m² +29% | 2014 |
| 2, Springfield Road988 m away | 92 m² | 110 m² | +18 m² +20% | 2014 |
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.