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 CM15 9ES
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 |
|---|---|---|---|---|
| 103, Park Road945 m away | 150 m² | 303 m² | +153 m² +102% | 2022 |
| 36, Elizabeth Road593 m away | 86 m² | 198 m² | +112 m² +130% | 2025 |
| 324, Ongar Road953 m away | 97 m² | 209 m² | +112 m² +115% | 2022 |
| 28, Doddinghurst Road166 m away | 92 m² | 200 m² | +108 m² +117% | 2016 |
| 35, Doddinghurst Road132 m away | 83 m² | 178 m² | +95 m² +114% | 2026 |
| 191, Ongar Road345 m away | 66 m² | 155 m² | +89 m² +135% | 2024 |
| 8, Robin Hood Road240 m away | 92 m² | 174 m² | +82 m² +89% | 2016 |
| 4, Robin Hood Road240 m away | 84 m² | 164 m² | +80 m² +95% | 2021 |
| 29, Costead Manor Road612 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.
| 114 m² |
| 188 m² |
| +74 m² +65% |
| 2024 |
| 27, Costead Manor Road612 m away | 83 m² | 154 m² | +71 m² +86% | 2023 |
|---|
| 18, Western Avenue657 m away | 78 m² | 148 m² | +70 m² +90% | 2022 |
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| 8, Geary Drive541 m away | 104 m² | 167 m² | +63 m² +61% | 2014 |
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| 14, Costead Manor Road696 m away | 85 m² | 146 m² | +61 m² +72% | 2025 |
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| 7, De Paul Way941 m away | 103 m² | 164 m² | +61 m² +59% | 2022 |
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| 22, Osborne Road788 m away | 85 m² | 146 m² | +61 m² +72% | 2018 |
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| 20, Costead Manor Road696 m away | 69 m² | 126 m² | +57 m² +83% | 2022 |
|---|
| 57, Robin Hood Road282 m away | 53 m² | 109 m² | +56 m² +106% | 2025 |
|---|
| 24, Doddinghurst Road166 m away | 111 m² | 167 m² | +56 m² +50% | 2018 |
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| 24, De Paul Way941 m away | 149 m² | 204 m² | +55 m² +37% | 2014 |
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| 72, Western Road991 m away | 49 m² | 102 m² | +53 m² +108% | 2019 |
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| 3, Western Avenue676 m away | 89 m² | 138 m² | +49 m² +55% | 2022 |
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| 58, Elizabeth Road683 m away | 65 m² | 113 m² | +48 m² +74% | 2020 |
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| 70, Viking Way538 m away | 82 m² | 130 m² | +48 m² +59% | 2017 |
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| 22, King Georges Road768 m away | 61 m² | 108 m² | +47 m² +77% | 2022 |
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| 63, Weald Road979 m away | 222 m² | 269 m² | +47 m² +21% | 2018 |
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| 26, Warescot Road375 m away | 97 m² | 143 m² | +46 m² +47% | 2025 |
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| 18, Sycamore Drive646 m away | 100 m² | 146 m² | +46 m² +46% | 2024 |
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| 25, Costead Manor Road612 m away | 67 m² | 113 m² | +46 m² +69% | 2023 |
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| 29, Robin Hood Road282 m away | 94 m² | 139 m² | +45 m² +48% | 2026 |
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| 9, Park Road912 m away | 91 m² | 136 m² | +45 m² +49% | 2025 |
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| 228b, Ongar Road375 m away | 40 m² | 85 m² | +45 m² +113% | 2019 |
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| 48, St Kildas Road232 m away | 125 m² | 169 m² | +44 m² +35% | 2020 |
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| 29, St Charles Road916 m away | 77 m² | 120 m² | +43 m² +56% | 2021 |
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| 126, Ongar Road625 m away | 72 m² | 114 m² | +42 m² +58% | 2024 |
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| 29a, Elizabeth Road690 m away | 67 m² | 109 m² | +42 m² +63% | 2024 |
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| 2, Greenshaw949 m away | 66 m² | 108 m² | +42 m² +64% | 2023 |
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| 10, Bardeswell Close996 m away | 105 m² | 147 m² | +42 m² +40% | 2020 |
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| 7, Bishops Hall Road560 m away | 93 m² | 135 m² | +42 m² +45% | 2019 |
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| 24, Kensington Road832 m away | 105 m² | 146 m² | +41 m² +39% | 2024 |
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| 79, Cornwall Road981 m away | 70 m² | 110 m² | +40 m² +57% | 2024 |
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| 41, Warescot Road405 m away | 93 m² | 132 m² | +39 m² +42% | 2021 |
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| 23, Brentwood Place822 m away | 122 m² | 161 m² | +39 m² +32% | 2016 |
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| 12, Costead Manor Road696 m away | 74 m² | 113 m² | +39 m² +53% | 2015 |
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| 80, Park Road929 m away | 176 m² | 214 m² | +38 m² +22% | 2026 |
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| 67, Costead Manor Road808 m away | 78 m² | 116 m² | +38 m² +49% | 2025 |
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| 5, Clarence Road825 m away | 70 m² | 108 m² | +38 m² +54% | 2024 |
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| 18, St Charles Road916 m away | 130 m² | 168 m² | +38 m² +29% | 2024 |
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| 2, Philip Close499 m away | 85 m² | 123 m² | +38 m² +45% | 2022 |
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| 74, Western Road991 m away | 70 m² | 107 m² | +37 m² +53% | 2024 |
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| 6, Blenheim Road946 m away | 77 m² | 114 m² | +37 m² +48% | 2020 |
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| 2, King Georges Road859 m away | 121 m² | 158 m² | +37 m² +31% | 2017 |
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| Lamgrove, Highland Avenue604 m away | 89 m² | 125 m² | +36 m² +40% | 2016 |
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| 369a, Ongar Road650 m away | 68 m² | 104 m² | +36 m² +53% | 2014 |
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| 2, De Paul Way941 m away | 149 m² | 184 m² | +35 m² +23% | 2020 |
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| 2, Peony Close709 m away | 77 m² | 111 m² | +34 m² +44% | 2021 |
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| 5, Poppy Close893 m away | 75 m² | 109 m² | +34 m² +45% | 2018 |
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| 11, Calcott Close911 m away | 87 m² | 121 m² | +34 m² +39% | 2014 |
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| 85, Park Road929 m away | 77 m² | 110 m² | +33 m² +43% | 2024 |
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| 21, Greenwich Avenue530 m away | 114 m² | 147 m² | +33 m² +29% | 2022 |
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| 51, Sawyers Grove667 m away | 154 m² | 187 m² | +33 m² +21% | 2021 |
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| 33, Western Avenue676 m away | 89 m² | 122 m² | +33 m² +37% | 2014 |
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| 19, Costead Manor Road612 m away | 70 m² | 102 m² | +32 m² +46% | 2026 |
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| 81a, Park Road929 m away | 123 m² | 155 m² | +32 m² +26% | 2022 |
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| 40, Cornwall Road960 m away | 73 m² | 105 m² | +32 m² +44% | 2019 |
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| 4, Osborne Road788 m away | 121 m² | 153 m² | +32 m² +26% | 2015 |
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| 1, Chelsea Way413 m away | 114 m² | 145 m² | +31 m² +27% | 2026 |
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| 69, Western Road880 m away | 105 m² | 136 m² | +31 m² +30% | 2025 |
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| 33, Doddinghurst Road132 m away | 109 m² | 140 m² | +31 m² +28% | 2023 |
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| 52, Mayfield Gardens730 m away | 91 m² | 122 m² | +31 m² +34% | 2022 |
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| 33, St Charles Road916 m away | 171 m² | 201 m² | +30 m² +18% | 2026 |
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| 18, Windsor Road690 m away | 89 m² | 117 m² | +28 m² +31% | 2025 |
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| 37, Elizabeth Road690 m away | 85 m² | 113 m² | +28 m² +33% | 2025 |
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| 4, King Georges Road859 m away | 111 m² | 139 m² | +28 m² +25% | 2025 |
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| 31, Brentwood Place822 m away | 106 m² | 134 m² | +28 m² +26% | 2024 |
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| 2, The Vale814 m away | 73 m² | 100 m² | +27 m² +37% | 2023 |
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| St Michaels, Burland Road674 m away | 109 m² | 136 m² | +27 m² +25% | 2020 |
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| 3, Karen Close185 m away | 75 m² | 102 m² | +27 m² +36% | 2015 |
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| 32, Cornwall Road960 m away | 48 m² | 74 m² | +26 m² +54% | 2020 |
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| 89, Mayfield Gardens768 m away | 101 m² | 126 m² | +25 m² +25% | 2025 |
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| 14, The Retreat722 m away | 40 m² | 65 m² | +25 m² +63% | 2019 |
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| 66, Doddinghurst Road166 m away | 118 m² | 142 m² | +24 m² +20% | 2026 |
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| 37, Robin Hood Road282 m away | 107 m² | 131 m² | +24 m² +22% | 2025 |
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| 23, Wellesley Road738 m away | 70 m² | 94 m² | +24 m² +34% | 2024 |
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| 57, Western Road988 m away | 94 m² | 118 m² | +24 m² +26% | 2024 |
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| 10, Kensington Road832 m away | 115 m² | 139 m² | +24 m² +21% | 2022 |
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| 67, Park Road929 m away | 115 m² | 139 m² | +24 m² +21% | 2020 |
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| 4, Sycamore Drive646 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 285, Ongar Road481 m away | 134 m² | 157 m² | +23 m² +17% | 2022 |
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| 16, Western Avenue657 m away | 97 m² | 120 m² | +23 m² +24% | 2022 |
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| 49, The Meads, Ongar Road894 m away | 59 m² | 82 m² | +23 m² +39% | 2022 |
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| 10, Park Road912 m away | 144 m² | 167 m² | +23 m² +16% | 2022 |
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| 100, Copperfield Gardens723 m away | 89 m² | 111 m² | +22 m² +25% | 2026 |
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| 26, Little Highwood Way508 m away | 98 m² | 120 m² | +22 m² +22% | 2025 |
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| 47, Copperfield Gardens658 m away | 106 m² | 128 m² | +22 m² +21% | 2025 |
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| 51, Western Road988 m away | 116 m² | 137 m² | +21 m² +18% | 2025 |
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| 25, Greenwich Avenue530 m away | 114 m² | 135 m² | +21 m² +18% | 2024 |
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| 3, Tyler Way646 m away | 30 m² | 51 m² | +21 m² +70% | 2015 |
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| 40, Vine Way824 m away | 97 m² | 117 m² | +20 m² +21% | 2026 |
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| Flat 16, Argyll Court, Sawyers Hall Lane520 m away | 33 m² | 53 m² | +20 m² +61% | 2024 |
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| 134, Ongar Road625 m away | 122 m² | 142 m² | +20 m² +16% | 2024 |
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| 1a, Kensington Road832 m away | 112 m² | 132 m² | +20 m² +18% | 2024 |
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| 27, The Meads, Ongar Road894 m away | 57 m² | 76 m² | +19 m² +33% | 2023 |
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| 36, The Meads, Ongar Road894 m away | 60 m² | 79 m² | +19 m² +32% | 2023 |
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| 21, Western Road988 m away | 94 m² | 113 m² | +19 m² +20% | 2023 |
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| 16, Hurstwood Avenue515 m away | 58 m² | 77 m² | +19 m² +33% | 2020 |
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| 24a, Marlborough Road907 m away | 63 m² | 82 m² | +19 m² +30% | 2014 |
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| 59, Copperfield Gardens658 m away | 108 m² | 127 m² | +19 m² +18% | 2012 |
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| 22, Clarence Road825 m away | 71 m² | 89 m² | +18 m² +25% | 2024 |
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| 20, Copperfield Gardens658 m away | 87 m² | 105 m² | +18 m² +21% | 2016 |
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| 5, Church Walk540 m away | 39 m² | 56 m² | +17 m² +44% | 2021 |
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| 38, Cornwall Road960 m away | 93 m² | 110 m² | +17 m² +18% | 2021 |
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| 20, King Georges Road768 m away | 80 m² | 97 m² | +17 m² +21% | 2019 |
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| 19, Tyler Way646 m away | 81 m² | 98 m² | +17 m² +21% | 2015 |
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| 233, Ongar Road329 m away | 99 m² | 115 m² | +16 m² +16% | 2024 |
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| 177, Ongar Road345 m away | 105 m² | 121 m² | +16 m² +15% | 2021 |
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| 35, King Georges Road687 m away | 88 m² | 104 m² | +16 m² +18% | 2010 |
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| 48, North Road Avenue874 m away | 56 m² | 72 m² | +16 m² +29% | 2010 |
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| 3, Rushdene Road0 m away | 55 m² | 70 m² | +15 m² +27% | 2023 |
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