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 GU27 3TF
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 |
|---|---|---|---|---|
| Boscarny, Denbigh Road775 m away | 147 m² | 326 m² | +179 m² +122% | 2014 |
| 9, Hill Road955 m away | 245 m² | 385 m² | +140 m² +57% | 2018 |
| Hasty Hollow, Haste Hill749 m away | 280 m² | 404 m² | +124 m² +44% | 2011 |
| Greenways, Hill Road955 m away | 161 m² | 257 m² | +96 m² +60% | 2023 |
| Locksley, Tennysons Lane286 m away | 228 m² | 306 m² | +78 m² +34% | 2014 |
| 43, Petworth Road982 m away | 147 m² | 220 m² | +73 m² +50% | 2022 |
| Blackdown Cottage, Denbigh Road775 m away | 159 m² | 220 m² | +61 m² +38% | 2024 |
| Mariners Farm, Petworth Road583 m away | 218 m² | 278 m² | +60 m² +28% | 2025 |
| Little Stretton, Denbigh Road775 m away | 152 m² | 204 m² | +52 m² +34% | 2015 |
| Thurland, Denbigh Road775 m away | 112 m² | 161 m² | +49 m² +44% | 2025 |
| Brock House, Hill Road955 m away | 232 m² | 281 m² | +49 m² +21% | 2021 |
| The Meadows, Petworth Road586 m away | 265 m² | 306 m² | +41 m² +15% | 2026 |
| 1n, Oak Lodge, Lythe Hill Park0 m away | 110 m² | 149 m² | +39 m² +35% | 2013 |
| 48, Petworth Road911 m away | 175 m² | 213 m² | +38 m² +22% | 2026 |
| High Pines, Denbigh Road775 m away | 227 m² | 263 m² | +36 m² +16% | 2024 |
| Flat 5, Whitwell Hatch, Scotland Lane639 m away | 135 m² | 166 m² | +31 m² +23% | 2013 |
| Hill Rising, Haste Hill672 m away | 139 m² | 166 m² | +27 m² +19% | 2026 |
| 4, Haste Hill Top659 m away | 126 m² | 153 m² | +27 m² +21% | 2021 |
| 6, Denbigh Road775 m away | 132 m² | 155 m² | +23 m² +17% | 2023 |
| Copse Cottage, Lythe Hill Park167 m away | 86 m² | 105 m² | +19 m² +22% | 2019 |
| 3n, Cedar Lodge, Lythe Hill Park77 m away | 87 m² | 104 m² | +17 m² +20% | 2019 |
| 39, Petworth Road982 m away | 85 m² | 100 m² | +15 m² +18% | 2011 |
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.