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 CM16 7JZ
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 |
|---|---|---|---|---|
| 3, Piercing Hill788 m away | 377 m² | 540 m² | +163 m² +43% | 2022 |
| Blenheim, Sidney Road537 m away | 158 m² | 317 m² | +159 m² +101% | 2018 |
| 34, Theydon Park Road615 m away | 241 m² | 381 m² | +140 m² +58% | 2022 |
| 31, Morgan Crescent820 m away | 142 m² | 271 m² | +129 m² +91% | 2026 |
| 45, Morgan Crescent820 m away | 123 m² | 229 m² | +106 m² +86% | 2024 |
| 5, Ripley View938 m away | 282 m² | 380 m² | +98 m² +35% | 2023 |
| 16, Theydon Park Road615 m away | 126 m² | 224 m² | +98 m² +78% | 2014 |
| Rushbrooke, Coppice Row727 m away | 151 m² | 248 m² | +97 m² +64% | 2020 |
| Hogarth, Loughton Lane0 m away |
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.
| 85 m² |
| 169 m² |
| +84 m² +99% |
| 2025 |
| 75, Theydon Park Road637 m away | 103 m² | 186 m² | +83 m² +81% | 2014 |
|---|
| 49, Hornbeam Road232 m away | 94 m² | 174 m² | +80 m² +85% | 2026 |
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| 3, Hornbeam Close403 m away | 121 m² | 199 m² | +78 m² +64% | 2026 |
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| 29, Blackacre Road351 m away | 120 m² | 195 m² | +75 m² +63% | 2017 |
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| 79, Theydon Park Road637 m away | 103 m² | 177 m² | +74 m² +72% | 2024 |
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| 83a, Theydon Park Road812 m away | 140 m² | 214 m² | +74 m² +53% | 2014 |
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| 21, Forest Drive912 m away | 102 m² | 173 m² | +71 m² +70% | 2025 |
|---|
| 10, Piercing Hill788 m away | 115 m² | 184 m² | +69 m² +60% | 2018 |
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| 27, Hill Road388 m away | 179 m² | 248 m² | +69 m² +39% | 2016 |
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| 25a, Theydon Park Road637 m away | 115 m² | 183 m² | +68 m² +59% | 2026 |
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| Ivy Cottage, Coppice Row633 m away | 116 m² | 183 m² | +67 m² +58% | 2020 |
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| 6, Chestnut Cottages, The Green542 m away | 53 m² | 116 m² | +63 m² +119% | 2016 |
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| 16, Elizabeth Drive930 m away | 104 m² | 157 m² | +53 m² +51% | 2026 |
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| 20, Orchard Drive812 m away | 76 m² | 126 m² | +50 m² +66% | 2020 |
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| 15, Morgan Crescent820 m away | 121 m² | 170 m² | +49 m² +40% | 2025 |
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| 73, Hornbeam Road232 m away | 98 m² | 147 m² | +49 m² +50% | 2016 |
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| 37, Hornbeam Road232 m away | 84 m² | 131 m² | +47 m² +56% | 2021 |
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| 14, Hill Road388 m away | 108 m² | 154 m² | +46 m² +43% | 2024 |
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| 10, Buxton Road832 m away | 76 m² | 120 m² | +44 m² +58% | 2024 |
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| 43, Coppice Row591 m away | 173 m² | 213 m² | +40 m² +23% | 2026 |
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| 17, Hornbeam Close403 m away | 73 m² | 112 m² | +39 m² +53% | 2024 |
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| 36, Woburn Avenue384 m away | 106 m² | 141 m² | +35 m² +33% | 2023 |
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| 5, Avenue Road434 m away | 173 m² | 208 m² | +35 m² +20% | 2023 |
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| 2, Chestnut Cottages, The Green542 m away | 77 m² | 110 m² | +33 m² +43% | 2025 |
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| 63, Green Glade617 m away | 72 m² | 105 m² | +33 m² +46% | 2025 |
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| 12, Morgan Crescent881 m away | 147 m² | 180 m² | +33 m² +22% | 2020 |
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| 31, Blackacre Road351 m away | 150 m² | 182 m² | +32 m² +21% | 2026 |
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| Oakbank, Theydon Park Road812 m away | 204 m² | 235 m² | +31 m² +15% | 2011 |
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| Oakhurst, Loughton Lane0 m away | 186 m² | 216 m² | +30 m² +16% | 2026 |
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| 101, Coppice Row633 m away | 133 m² | 162 m² | +29 m² +22% | 2020 |
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| 18, The Heights, Forest Drive797 m away | 33 m² | 61 m² | +28 m² +85% | 2019 |
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| 129, Grosvenor Drive883 m away | 90 m² | 118 m² | +28 m² +31% | 2014 |
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| 123, Grosvenor Drive883 m away | 136 m² | 163 m² | +27 m² +20% | 2022 |
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| 6, Green View, The Green503 m away | 77 m² | 103 m² | +26 m² +34% | 2026 |
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| 77, Theydon Park Road637 m away | 128 m² | 153 m² | +25 m² +20% | 2025 |
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| Brook House, Debden Lane835 m away | 97 m² | 121 m² | +24 m² +25% | 2023 |
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| 3, Theydon Park Road570 m away | 75 m² | 99 m² | +24 m² +32% | 2022 |
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| Three Elms, Coppice Row756 m away | 137 m² | 160 m² | +23 m² +17% | 2024 |
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| 7, The Heights, Forest Drive797 m away | 66 m² | 89 m² | +23 m² +35% | 2019 |
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| 64, Woburn Avenue384 m away | 95 m² | 118 m² | +23 m² +24% | 2016 |
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| 50, Orchard Drive812 m away | 126 m² | 146 m² | +20 m² +16% | 2026 |
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| 8a, Forest Drive857 m away | 92 m² | 111 m² | +19 m² +21% | 2026 |
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| 59, Woburn Avenue386 m away | 77 m² | 96 m² | +19 m² +25% | 2025 |
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| 38, Green Glade617 m away | 76 m² | 94 m² | +18 m² +24% | 2018 |
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| 10, Chester Close921 m away | 107 m² | 125 m² | +18 m² +17% | 2015 |
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| 22, Green Glade673 m away | 64 m² | 81 m² | +17 m² +27% | 2022 |
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| Greenside, The Green561 m away | 52 m² | 69 m² | +17 m² +33% | 2018 |
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| 33, Woburn Avenue386 m away | 73 m² | 89 m² | +16 m² +22% | 2023 |
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