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 EN7 5PP
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 |
|---|---|---|---|---|
| 128, Cuffley Hill905 m away | 150 m² | 351 m² | +201 m² +134% | 2024 |
| Saxonwold, Newgatestreet Road987 m away | 98 m² | 241 m² | +143 m² +146% | 2025 |
| 1, Broadfields753 m away | 105 m² | 237 m² | +132 m² +126% | 2026 |
| 12, Poppy Walk561 m away | 250 m² | 372 m² | +122 m² +49% | 2020 |
| 45, Lulworth Avenue701 m away | 209 m² | 318 m² | +109 m² +52% | 2013 |
| 121, Cuffley Hill843 m away | 102 m² | 210 m² | +108 m² +106% | 2025 |
| 16, Poets Gate826 m away | 207 m² | 291 m² | +84 m² +41% | 2021 |
| 2, Woodland Way861 m away | 109 m² | 188 m² | +79 m² +72% | 2017 |
| 12, Melvyn Close741 m away | 85 m² | 164 m² | +79 m² +93% | 2013 |
| 11, Pollards Close |
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.
| 138 m² |
| 214 m² |
| +76 m² +55% |
| 2016 |
| 5, Nursery Gardens667 m away | 245 m² | 319 m² | +74 m² +30% | 2022 |
|---|
| 41, Moorhurst Avenue905 m away | 100 m² | 163 m² | +63 m² +63% | 2013 |
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| 9, Goffs Crescent378 m away | 81 m² | 135 m² | +54 m² +67% | 2023 |
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| 2, Broadfields753 m away | 124 m² | 177 m² | +53 m² +43% | 2021 |
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| Penheale, 8, Briarswood665 m away | 301 m² | 353 m² | +52 m² +17% | 2011 |
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| 12, Colston Crescent901 m away | 68 m² | 119 m² | +51 m² +75% | 2015 |
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| 7, Greenways725 m away | 182 m² | 231 m² | +49 m² +27% | 2018 |
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| 53, Millcrest Road749 m away | 68 m² | 116 m² | +48 m² +71% | 2014 |
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| 3, Lulworth Avenue701 m away | 102 m² | 149 m² | +47 m² +46% | 2014 |
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| 27, Goffs Crescent441 m away | 92 m² | 139 m² | +47 m² +51% | 2011 |
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| 7, Orchid Close666 m away | 191 m² | 237 m² | +46 m² +24% | 2017 |
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| 7, Orchard Way950 m away | 103 m² | 147 m² | +44 m² +43% | 2025 |
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| 33, Goffs Crescent441 m away | 99 m² | 143 m² | +44 m² +44% | 2023 |
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| 38, Cuffley Hill410 m away | 107 m² | 149 m² | +42 m² +39% | 2018 |
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| 2, Great Groves858 m away | 194 m² | 234 m² | +40 m² +21% | 2021 |
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| 3, Tudor Villas572 m away | 107 m² | 143 m² | +36 m² +34% | 2017 |
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| 20, Lulworth Avenue691 m away | 57 m² | 92 m² | +35 m² +61% | 2021 |
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| White House Farm, St James Road464 m away | 32 m² | 67 m² | +35 m² +109% | 2020 |
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| 30, Colston Crescent901 m away | 68 m² | 103 m² | +35 m² +51% | 2016 |
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| 12, Lulworth Avenue788 m away | 89 m² | 118 m² | +29 m² +33% | 2026 |
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| 8, Beehive Road718 m away | 105 m² | 134 m² | +29 m² +28% | 2025 |
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| Ballymour, Andrews Lane952 m away | 189 m² | 218 m² | +29 m² +15% | 2025 |
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| 173, Cuffley Hill843 m away | 116 m² | 142 m² | +26 m² +22% | 2026 |
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| 8, Melvyn Close741 m away | 85 m² | 108 m² | +23 m² +27% | 2024 |
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| 20, Beehive Road718 m away | 110 m² | 131 m² | +21 m² +19% | 2022 |
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| 6, Pollards Close358 m away | 115 m² | 135 m² | +20 m² +17% | 2015 |
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| 30, The Drive461 m away | 95 m² | 112 m² | +17 m² +18% | 2021 |
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| 32, Jones Road497 m away | 58 m² | 75 m² | +17 m² +29% | 2017 |
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| 24, Pollards Close358 m away | 96 m² | 113 m² | +17 m² +18% | 2016 |
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| 15, Goffs Oak Avenue583 m away | 93 m² | 109 m² | +16 m² +17% | 2024 |
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| 9, Robinson Avenue610 m away | 73 m² | 88 m² | +15 m² +21% | 2020 |
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| 28a, Moorhurst Avenue933 m away | 78 m² | 93 m² | +15 m² +19% | 2015 |
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| 18, Jones Road497 m away | 92 m² | 107 m² | +15 m² +16% | 2012 |
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