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 CM17 9AL
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 |
|---|---|---|---|---|
| Copper Beech, Harlow Common517 m away | 183 m² | 280 m² | +97 m² +53% | 2017 |
| 5, Oaktree Gardens612 m away | 94 m² | 185 m² | +91 m² +97% | 2022 |
| 102, Longfield880 m away | 98 m² | 178 m² | +80 m² +82% | 2014 |
| 30, Aynsley Gardens988 m away | 84 m² | 154 m² | +70 m² +83% | 2025 |
| 16, Hillside238 m away | 62 m² | 131 m² | +69 m² +111% | 2021 |
| 41, Whieldon Grange877 m away | 152 m² | 216 m² | +64 m² +42% | 2024 |
| 3, Red Lion Crescent215 m away | 100 m² | 162 m² | +62 m² +62% | 2012 |
| 24, Burley Hill626 m away | 107 m² | 168 m² | +61 m² +57% | 2021 |
| Fivetowns, Harlow Common517 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.
| 118 m² |
| 176 m² |
| +58 m² +49% |
| 2017 |
| 245, Malkin Drive947 m away | 60 m² | 117 m² | +57 m² +95% | 2019 |
|---|
| 79, Albert Gardens877 m away | 68 m² | 124 m² | +56 m² +82% | 2019 |
|---|
| 58, Purford Green989 m away | 90 m² | 145 m² | +55 m² +61% | 2015 |
|---|
| 104, Fullers Mead271 m away | 89 m² | 143 m² | +54 m² +61% | 2023 |
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| 56, Fullers Mead206 m away | 83 m² | 135 m² | +52 m² +63% | 2025 |
|---|
| 2, Chamberlain Close872 m away | 49 m² | 98 m² | +49 m² +100% | 2021 |
|---|
| 74, Aynsley Gardens953 m away | 78 m² | 125 m² | +47 m² +60% | 2023 |
|---|
| 231, Potters Field454 m away | 84 m² | 131 m² | +47 m² +56% | 2010 |
|---|
| Blackbird, Red Lion Lane599 m away | 66 m² | 112 m² | +46 m² +70% | 2020 |
|---|
| 11, Potters Field352 m away | 43 m² | 83 m² | +40 m² +93% | 2022 |
|---|
| 152, Spinning Wheel Mead697 m away | 84 m² | 121 m² | +37 m² +44% | 2015 |
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| 11, Hillside238 m away | 69 m² | 104 m² | +35 m² +51% | 2020 |
|---|
| 2, Potter Street477 m away | 162 m² | 196 m² | +34 m² +21% | 2013 |
|---|
| 8, Whieldon Grange877 m away | 151 m² | 184 m² | +33 m² +22% | 2025 |
|---|
| 90, Perry Spring369 m away | 71 m² | 104 m² | +33 m² +46% | 2017 |
|---|
| 10, Burley Hill626 m away | 26 m² | 58 m² | +32 m² +123% | 2025 |
|---|
| 65, Tickenhall Drive881 m away | 53 m² | 84 m² | +31 m² +58% | 2021 |
|---|
| 79, Spinning Wheel Mead912 m away | 80 m² | 111 m² | +31 m² +39% | 2015 |
|---|
| 47, Burley Hill626 m away | 61 m² | 91 m² | +30 m² +49% | 2025 |
|---|
| 56, Purford Green989 m away | 128 m² | 158 m² | +30 m² +23% | 2024 |
|---|
| 266, Malkin Drive947 m away | 55 m² | 85 m² | +30 m² +55% | 2019 |
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| 86, Potter Street146 m away | 63 m² | 93 m² | +30 m² +48% | 2017 |
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| 41, Purford Green916 m away | 169 m² | 199 m² | +30 m² +18% | 2017 |
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| 133, Chapel Fields177 m away | 66 m² | 95 m² | +29 m² +44% | 2016 |
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| 53, Purford Green989 m away | 146 m² | 174 m² | +28 m² +19% | 2025 |
|---|
| 10, Kingsdon Lane481 m away | 108 m² | 136 m² | +28 m² +26% | 2022 |
|---|
| 2, Wayside Bungalows599 m away | 146 m² | 174 m² | +28 m² +19% | 2013 |
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| 45, Whieldon Grange877 m away | 166 m² | 193 m² | +27 m² +16% | 2025 |
|---|
| 11, Whieldon Grange877 m away | 117 m² | 144 m² | +27 m² +23% | 2021 |
|---|
| 3, Coalport Close556 m away | 70 m² | 95 m² | +25 m² +36% | 2020 |
|---|
| 49, Bentley Drive731 m away | 80 m² | 105 m² | +25 m² +31% | 2020 |
|---|
| 2, Puffers Green Cottages, Latton Street932 m away | 121 m² | 145 m² | +24 m² +20% | 2023 |
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| 27, Belfield Gardens592 m away | 78 m² | 102 m² | +24 m² +31% | 2013 |
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| 75, Upper Mealines923 m away | 82 m² | 106 m² | +24 m² +29% | 2013 |
|---|
| 1, Whalebone Cottages, London Road680 m away | 105 m² | 128 m² | +23 m² +22% | 2022 |
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| 20, Brenthall Towers, Potter Street0 m away | 23 m² | 46 m² | +23 m² +100% | 2018 |
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| 47, Pytt Field661 m away | 60 m² | 82 m² | +22 m² +37% | 2025 |
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| 146, Spencers Croft623 m away | 75 m² | 97 m² | +22 m² +29% | 2022 |
|---|
| 162, Nicholls Field924 m away | 69 m² | 91 m² | +22 m² +32% | 2022 |
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| 52, Albert Gardens969 m away | 58 m² | 80 m² | +22 m² +38% | 2016 |
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| 65, Albert Gardens877 m away | 58 m² | 79 m² | +21 m² +36% | 2024 |
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| 196, Malkin Drive931 m away | 105 m² | 126 m² | +21 m² +20% | 2023 |
|---|
| 35, Nicholls Field787 m away | 62 m² | 83 m² | +21 m² +34% | 2022 |
|---|
| 133, Spinning Wheel Mead697 m away | 70 m² | 91 m² | +21 m² +30% | 2015 |
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| 80, Coalport Close512 m away | 59 m² | 79 m² | +20 m² +34% | 2025 |
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| 43, Pytt Field661 m away | 64 m² | 84 m² | +20 m² +31% | 2022 |
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| 59, Abbeydale Close576 m away | 60 m² | 80 m² | +20 m² +33% | 2020 |
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| 45, Purford Green916 m away | 89 m² | 109 m² | +20 m² +22% | 2020 |
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| 79, Chapel Fields119 m away | 108 m² | 128 m² | +20 m² +19% | 2015 |
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| 50, Belfield Gardens592 m away | 103 m² | 123 m² | +20 m² +19% | 2015 |
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| 12, Fenton Grange736 m away | 75 m² | 95 m² | +20 m² +27% | 2013 |
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| 87, Bentley Drive759 m away | 74 m² | 93 m² | +19 m² +26% | 2026 |
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| 34, The Gardiners797 m away | 69 m² | 88 m² | +19 m² +28% | 2024 |
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| 84, Tickenhall Drive881 m away | 65 m² | 84 m² | +19 m² +29% | 2022 |
|---|
| 50, Tickenhall Drive798 m away | 59 m² | 78 m² | +19 m² +32% | 2014 |
|---|
| 35, Hillside238 m away | 81 m² | 99 m² | +18 m² +22% | 2024 |
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| 20, Bentley Drive731 m away | 82 m² | 100 m² | +18 m² +22% | 2024 |
|---|
| 161, Fullers Mead428 m away | 69 m² | 87 m² | +18 m² +26% | 2014 |
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| 157, Coalport Close427 m away | 62 m² | 79 m² | +17 m² +27% | 2024 |
|---|
| 8, Potter Street477 m away | 53 m² | 70 m² | +17 m² +32% | 2024 |
|---|
| 17, Fenton Grange736 m away | 107 m² | 124 m² | +17 m² +16% | 2020 |
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| 44, Westbury Rise736 m away | 80 m² | 97 m² | +17 m² +21% | 2018 |
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| 55, The Gardiners895 m away | 53 m² | 70 m² | +17 m² +32% | 2018 |
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| 122a, Carters Mead315 m away | 30 m² | 46 m² | +16 m² +53% | 2024 |
|---|
| 80, Albert Gardens877 m away | 68 m² | 84 m² | +16 m² +24% | 2019 |
|---|
| 34, Bentley Drive731 m away | 89 m² | 105 m² | +16 m² +18% | 2016 |
|---|
| 71, Spencers Croft525 m away | 68 m² | 84 m² | +16 m² +24% | 2014 |
|---|
| 71, Upper Mealines923 m away | 66 m² | 82 m² | +16 m² +24% | 2011 |
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| 30, Westbury Rise736 m away | 63 m² | 78 m² | +15 m² +24% | 2023 |
|---|
| 35, Coalport Close556 m away | 60 m² | 75 m² | +15 m² +25% | 2022 |
|---|
| 107, Tilbury Mead752 m away | 80 m² | 95 m² | +15 m² +19% | 2022 |
|---|
| 27, Chapel Fields278 m away | 92 m² | 107 m² | +15 m² +16% | 2019 |
|---|
| 113a, Carters Mead315 m away | 38 m² | 53 m² | +15 m² +39% | 2019 |
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| 110, Spencers Croft578 m away | 82 m² | 97 m² | +15 m² +18% | 2015 |
|---|
| 30, Albert Gardens969 m away | 86 m² | 101 m² | +15 m² +17% | 2013 |
|---|
| 93, Perry Spring369 m away | 60 m² | 75 m² | +15 m² +25% | 2011 |
|---|
| 31, Burley Hill626 m away | 59 m² | 74 m² | +15 m² +25% | 2011 |
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