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 SL7 3NW
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 |
|---|---|---|---|---|
| 154a, Marlow Bottom299 m away | 129 m² | 276 m² | +147 m² +114% | 2025 |
| Springlea, Seymour Plain804 m away | 109 m² | 249 m² | +140 m² +128% | 2025 |
| 278, Marlow Bottom670 m away | 82 m² | 205 m² | +123 m² +150% | 2015 |
| 96, Marlow Bottom335 m away | 72 m² | 168 m² | +96 m² +133% | 2016 |
| 323, Marlow Bottom886 m away | 165 m² | 256 m² | +91 m² +55% | 2023 |
| 30, Hill Farm Road549 m away | 80 m² | 167 m² | +87 m² +109% | 2022 |
| 88, Hill Farm Road549 m away | 86 m² | 172 m² | +86 m² +100% | 2017 |
| Shalimar, Seymour Plain785 m away | 71 m² | 154 m² | +83 m² +117% | 2023 |
| Coldharbour, Marlow Road769 m away | 133 m² | 211 m² | +78 m² +59% | 2014 |
| 4, Uplands212 m away | 111 m² | 185 m² | +74 m² +67% | 2025 |
| Highcroft, Wycombe Road903 m away | 182 m² | 246 m² | +64 m² +35% | 2020 |
| 95a, Marlow Bottom572 m away | 142 m² | 204 m² | +62 m² +44% | 2025 |
| 5, New Road387 m away | 126 m² | 187 m² | +61 m² +48% | 2025 |
| White Pillars, Seymour Plain785 m away | 209 m² | 262 m² | +53 m² +25% | 2020 |
| 27, Highwoods Drive561 m away | 88 m² | 138 m² | +50 m² +57% | 2026 |
| 127, Marlow Bottom384 m away | 123 m² | 173 m² | +50 m² +41% | 2023 |
| 76, Marlow Bottom523 m away | 113 m² | 162 m² | +49 m² +43% | 2022 |
| 14, Monks Hollow597 m away | 158 m² | 207 m² | +49 m² +31% | 2020 |
| 25, Andrews Way828 m away | 118 m² | 167 m² | +49 m² +42% | 2015 |
| 58, Highwoods Drive533 m away | 102 m² | 149 m² | +47 m² +46% | 2025 |
| 322, Marlow Bottom841 m away | 62 m² | 105 m² | +43 m² +69% | 2022 |
| 11, Mountain Ash149 m away | 150 m² | 181 m² | +31 m² +21% | 2022 |
| 215, Marlow Bottom481 m away | 139 m² | 170 m² | +31 m² +22% | 2021 |
| 5, Badgebury Rise554 m away | 153 m² | 183 m² | +30 m² +20% | 2024 |
| 37, New Road387 m away | 148 m² | 177 m² | +29 m² +20% | 2026 |
| 1, High Beeches Close577 m away | 115 m² | 143 m² | +28 m² +24% | 2020 |
| 9, Andrews Way828 m away | 78 m² | 104 m² | +26 m² +33% | 2023 |
| 8, Burford Close560 m away | 83 m² | 109 m² | +26 m² +31% | 2020 |
| 13, High View Close814 m away | 80 m² | 103 m² | +23 m² +29% | 2024 |
| 21, Andrews Way828 m away | 127 m² | 150 m² | +23 m² +18% | 2024 |
| 2, Munces Road328 m away | 117 m² | 140 m² | +23 m² +20% | 2018 |
| 21, Highwoods Drive561 m away | 94 m² | 117 m² | +23 m² +24% | 2018 |
| 11, Bencombe Road499 m away | 131 m² | 152 m² | +21 m² +16% | 2024 |
| 16, Bencombe Road499 m away | 115 m² | 135 m² | +20 m² +17% | 2025 |
| 5, Highwoods Drive561 m away | 100 m² | 118 m² | +18 m² +18% | 2025 |
| 25, Stewarts Way676 m away | 77 m² | 94 m² | +17 m² +22% | 2026 |
| 8, Beechtree Avenue345 m away | 89 m² | 105 m² | +16 m² +18% | 2025 |
| 18, Beechtree Avenue345 m away | 86 m² | 102 m² | +16 m² +19% | 2012 |
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.