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 RG9 3JR
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 |
|---|---|---|---|---|
| Mykonos House, Bolney Road426 m away | 156 m² | 332 m² | +176 m² +113% | 2025 |
| Brookfield, Mill Road352 m away | 195 m² | 355 m² | +160 m² +82% | 2019 |
| Maybury House, Station Road0 m away | 121 m² | 276 m² | +155 m² +128% | 2024 |
| Willow End, Bolney Road426 m away | 121 m² | 270 m² | +149 m² +123% | 2016 |
| Creekside, Willow Lane942 m away | 212 m² | 347 m² | +135 m² +64% | 2018 |
| Quarrywood, 7, Quarry Lane245 m away | 86 m² | 214 m² | +128 m² +149% | 2022 |
| Dormers, Bolney Road426 m away | 226 m² | 354 m² | +128 m² +57% | 2018 |
| The Gables, Station Road0 m away | 383 m² | 507 m² | +124 m² +32% | 2021 |
| Conway, Baskerville Lane360 m away | 157 m² | 279 m² | +122 m² +78% | 2015 |
| Hillmorton, New Road904 m away | 213 m² | 334 m² | +121 m² +57% | 2015 |
| Danes Place, New Road406 m away | 383 m² | 498 m² | +115 m² +30% | 2025 |
| Randall House, Mill Road446 m away | 170 m² | 279 m² | +109 m² +64% | 2026 |
| Minstrels, Woodlands Road925 m away | 221 m² | 330 m² | +109 m² +49% | 2022 |
| Saffrons, Station Road229 m away | 134 m² | 236 m² | +102 m² +76% | 2021 |
| 3, Quarry Lane245 m away | 221 m² | 316 m² | +95 m² +43% | 2015 |
| Brook Cottage, Mill Road352 m away | 135 m² | 224 m² | +89 m² +66% | 2020 |
| 4, Tennyson Mews172 m away | 151 m² | 238 m² | +87 m² +58% | 2026 |
| Kingsley Lodge, Mill Road688 m away | 165 m² | 244 m² | +79 m² +48% | 2026 |
| Winona, Bolney Trevor Drive194 m away | 271 m² | 350 m² | +79 m² +29% | 2018 |
| Willowbrae, Baskerville Lane360 m away | 169 m² | 247 m² | +78 m² +46% | 2010 |
| Shiplake Cottage, Mill Road352 m away | 121 m² | 198 m² | +77 m² +64% | 2018 |
| Springfield House, Mill Road352 m away | 155 m² | 225 m² | +70 m² +45% | 2024 |
| Elm Cottage, Mill Road352 m away | 190 m² | 258 m² | +68 m² +36% | 2019 |
| The Willows, Willow Lane942 m away | 148 m² | 216 m² | +68 m² +46% | 2013 |
| Little Cottam, Mill Road526 m away | 114 m² | 180 m² | +66 m² +58% | 2017 |
| Riversmeet, Mill Lane995 m away | 156 m² | 221 m² | +65 m² +42% | 2026 |
| Holly Lodge Cottage, Reading Road383 m away | 173 m² | 232 m² | +59 m² +34% | 2021 |
| Chelford House, Reading Road383 m away | 255 m² | 304 m² | +49 m² +19% | 2016 |
| 10, Oaks Road102 m away | 117 m² | 165 m² | +48 m² +41% | 2020 |
| Shiplake Lodge, New Road343 m away | 200 m² | 245 m² | +45 m² +23% | 2022 |
| Salthouse, Mill Road352 m away | 205 m² | 250 m² | +45 m² +22% | 2013 |
| Allways, The Crescent231 m away | 184 m² | 219 m² | +35 m² +19% | 2020 |
| Riversdale, Northfield Road232 m away | 99 m² | 128 m² | +29 m² +29% | 2019 |
| 3, Tennyson Mews172 m away | 151 m² | 176 m² | +25 m² +17% | 2024 |
| Lake Cottage, Mill Road352 m away | 108 m² | 130 m² | +22 m² +20% | 2012 |
| 17, Crowsley Road199 m away | 123 m² | 144 m² | +21 m² +17% | 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.