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 EN10 6FB
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 |
|---|---|---|---|---|
| 78, High Road Wormley776 m away | 105 m² | 223 m² | +118 m² +112% | 2026 |
| 3, Priory Close620 m away | 97 m² | 156 m² | +59 m² +61% | 2015 |
| 109, Perrysfield Road505 m away | 94 m² | 144 m² | +50 m² +53% | 2024 |
| 251, Perrysfield Road599 m away | 104 m² | 148 m² | +44 m² +42% | 2024 |
| 33, Cassandra Gate667 m away | 66 m² | 110 m² | +44 m² +67% | 2024 |
| 10, Benedictine Gate748 m away | 36 m² | 78 m² | +42 m² +117% | 2016 |
| 31, Ottawa Court225 m away | 57 m² | 97 m² | +40 m² +70% | 2021 |
| 53, Cheshunt Wash885 m away | 80 m² | 118 m² | +38 m² +48% | 2020 |
| 16, The Oval468 m away | 160 m² | 196 m² | +36 m² +23% | 2023 |
| 4, Pembroke 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.
| 56 m² |
| 92 m² |
| +36 m² +64% |
| 2019 |
| 229, Perrysfield Road599 m away | 101 m² | 136 m² | +35 m² +35% | 2026 |
|---|
| 32, Juniper Close578 m away | 62 m² | 95 m² | +33 m² +53% | 2024 |
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| 22, Vancouver Road0 m away | 66 m² | 96 m² | +30 m² +45% | 2026 |
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| 52, The Oval468 m away | 117 m² | 147 m² | +30 m² +26% | 2025 |
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| 53, Brookfield Gardens936 m away | 98 m² | 128 m² | +30 m² +31% | 2021 |
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| 8, Hillview Gardens802 m away | 78 m² | 108 m² | +30 m² +38% | 2015 |
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| 47, Benedictine Gate748 m away | 73 m² | 102 m² | +29 m² +40% | 2022 |
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| 12, Helens Gate708 m away | 83 m² | 111 m² | +28 m² +34% | 2025 |
|---|
| 1, Canons Gate610 m away | 59 m² | 87 m² | +28 m² +47% | 2019 |
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| 9, Canons Gate610 m away | 116 m² | 143 m² | +27 m² +23% | 2023 |
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| 24, Robinia Road492 m away | 123 m² | 150 m² | +27 m² +22% | 2015 |
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| 51, Willowdene611 m away | 34 m² | 61 m² | +27 m² +79% | 2015 |
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| 34, Rochford Close192 m away | 55 m² | 81 m² | +26 m² +47% | 2015 |
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| 40, Denny Gate744 m away | 56 m² | 81 m² | +25 m² +45% | 2019 |
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| 53, Rochford Close192 m away | 52 m² | 77 m² | +25 m² +48% | 2014 |
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| 16, Prescott Road838 m away | 79 m² | 103 m² | +24 m² +30% | 2019 |
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| 11, Nunsbury Drive296 m away | 111 m² | 134 m² | +23 m² +21% | 2016 |
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| 2, Brookfield Gardens939 m away | 76 m² | 98 m² | +22 m² +29% | 2025 |
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| 15, Academia Avenue521 m away | 115 m² | 137 m² | +22 m² +19% | 2024 |
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| 37, Brookfield Gardens936 m away | 102 m² | 124 m² | +22 m² +22% | 2024 |
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| 43, The Springs611 m away | 103 m² | 125 m² | +22 m² +21% | 2014 |
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| 1, Nursery Road308 m away | 77 m² | 98 m² | +21 m² +27% | 2024 |
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| 15, Felton Close380 m away | 61 m² | 82 m² | +21 m² +34% | 2024 |
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| 47, Macers Lane818 m away | 48 m² | 69 m² | +21 m² +44% | 2020 |
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| 14, Canons Gate610 m away | 57 m² | 78 m² | +21 m² +37% | 2018 |
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| 39, Perrysfield Road561 m away | 77 m² | 97 m² | +20 m² +26% | 2026 |
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| 63, Robinia Road492 m away | 114 m² | 134 m² | +20 m² +18% | 2025 |
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| 8, Benedictine Gate748 m away | 40 m² | 60 m² | +20 m² +50% | 2017 |
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| Lunardi Cottage, Nunsbury Drive261 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
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| 53, Robinia Road492 m away | 123 m² | 142 m² | +19 m² +15% | 2023 |
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| 13, Brookfield Gardens936 m away | 30 m² | 49 m² | +19 m² +63% | 2021 |
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| 42, Brookfield Gardens939 m away | 111 m² | 130 m² | +19 m² +17% | 2021 |
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| 4, The Oval468 m away | 125 m² | 144 m² | +19 m² +15% | 2020 |
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| 43, Watery Lane181 m away | 41 m² | 59 m² | +18 m² +44% | 2025 |
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| 43, Landau Way549 m away | 44 m² | 60 m² | +16 m² +36% | 2019 |
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| 1, Ottawa Court225 m away | 43 m² | 58 m² | +15 m² +35% | 2026 |
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| 6, Spring Cottages, High Road498 m away | 74 m² | 89 m² | +15 m² +20% | 2021 |
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