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 HP4 3TH
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 |
|---|---|---|---|---|
| The Pod, Pea Lane321 m away | 105 m² | 209 m² | +104 m² +99% | 2022 |
| 7, Dell Road557 m away | 143 m² | 242 m² | +99 m² +69% | 2015 |
| 5, Dell Road557 m away | 120 m² | 215 m² | +95 m² +79% | 2025 |
| 51, Covert Road764 m away | 86 m² | 181 m² | +95 m² +110% | 2015 |
| 26, Covert Road764 m away | 63 m² | 148 m² | +85 m² +135% | 2025 |
| Little Dudswell, Dudswell Lane152 m away | 127 m² | 212 m² | +85 m² +67% | 2020 |
| 5, Darrs Lane965 m away | 66 m² | 136 m² | +70 m² +106% | 2016 |
| 159, High Street South696 m away | 121 m² | 189 m² | +68 m² +56% | 2021 |
| 7, Lyme Avenue385 m away | 73 m² | 135 m² | +62 m² +85% | 2022 |
| Norcott Lodge926 m away | 233 m² | 293 m² | +60 m² +26% | 2016 |
| 9, Park Rise847 m away | 86 m² | 135 m² | +49 m² +57% | 2017 |
| 1a, Dell Road557 m away | 125 m² | 172 m² | +47 m² +38% | 2025 |
| 29, Lyme Avenue385 m away | 84 m² | 131 m² | +47 m² +56% | 2014 |
| 32, St Marys Avenue844 m away | 68 m² | 111 m² | +43 m² +63% | 2015 |
| 10, St Marys Avenue844 m away | 56 m² | 99 m² | +43 m² +77% | 2013 |
| 19, Boswick Lane0 m away | 115 m² | 153 m² | +38 m² +33% | 2022 |
| 31, St Marys Avenue844 m away | 70 m² | 108 m² | +38 m² +54% | 2020 |
| 13, Tring Road391 m away | 112 m² | 149 m² | +37 m² +33% | 2023 |
| 4, St Marys Avenue844 m away | 71 m² | 101 m² | +30 m² +42% | 2026 |
| 28, Merling Croft856 m away | 59 m² | 86 m² | +27 m² +46% | 2026 |
| 1, Lyme Avenue385 m away | 108 m² | 135 m² | +27 m² +25% | 2025 |
| 17, Merling Croft856 m away | 67 m² | 94 m² | +27 m² +40% | 2018 |
| 73, Covert Road509 m away | 93 m² | 118 m² | +25 m² +27% | 2020 |
| 31, Covert Road764 m away | 107 m² | 130 m² | +23 m² +21% | 2012 |
| 10, Lyme Avenue385 m away | 66 m² | 87 m² | +21 m² +32% | 2025 |
| Graemar, Wharf Lane313 m away | 98 m² | 118 m² | +20 m² +20% | 2017 |
| 6, Emerton Court871 m away | 56 m² | 76 m² | +20 m² +36% | 2015 |
| 6, St Marys Avenue844 m away | 57 m² | 75 m² | +18 m² +32% | 2010 |
| 20, Merling Croft856 m away | 69 m² | 85 m² | +16 m² +23% | 2022 |
| 11, St Marys Avenue844 m away | 56 m² | 71 m² | +15 m² +27% | 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.