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 RM5 2HL
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 |
|---|---|---|---|---|
| 125, Chase Cross Road981 m away | 174 m² | 305 m² | +131 m² +75% | 2023 |
| 14, Victoria Avenue366 m away | 93 m² | 193 m² | +100 m² +108% | 2024 |
| 53, Collier Row Road895 m away | 66 m² | 158 m² | +92 m² +139% | 2024 |
| 31, Felstead Road861 m away | 52 m² | 129 m² | +77 m² +148% | 2015 |
| 1, Turpin Avenue124 m away | 84 m² | 159 m² | +75 m² +89% | 2026 |
| 28, Ascension Road939 m away | 83 m² | 153 m² | +70 m² +84% | 2025 |
| 38, Fry Close105 m away | 81 m² | 149 m² | +68 m² +84% | 2025 |
| 32, Ravenswood Close445 m away | 130 m² | 194 m² | +64 m² +49% | 2016 |
| 78, Chase Cross Road912 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.
| 63 m² |
| 126 m² |
| +63 m² +100% |
| 2017 |
| 276, Lodge Lane233 m away | 60 m² | 123 m² | +63 m² +105% | 2011 |
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| 4, Walton Road891 m away | 94 m² | 156 m² | +62 m² +66% | 2023 |
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| 11, Highfield Road696 m away | 76 m² | 137 m² | +61 m² +80% | 2022 |
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| 98, Carter Drive208 m away | 85 m² | 145 m² | +60 m² +71% | 2025 |
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| 66, Dominion Drive372 m away | 70 m² | 127 m² | +57 m² +81% | 2021 |
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| 43, Highfield Road692 m away | 45 m² | 99 m² | +54 m² +120% | 2018 |
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| 22, Warden Avenue852 m away | 83 m² | 136 m² | +53 m² +64% | 2015 |
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| 115, Clockhouse Lane558 m away | 77 m² | 129 m² | +52 m² +68% | 2026 |
|---|
| 19, Sheila Close462 m away | 77 m² | 129 m² | +52 m² +68% | 2015 |
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| 23, Riversdale Road636 m away | 84 m² | 134 m² | +50 m² +60% | 2026 |
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| 53, Chase Cross Road872 m away | 79 m² | 129 m² | +50 m² +63% | 2026 |
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| 32, Sheila Road559 m away | 78 m² | 128 m² | +50 m² +64% | 2024 |
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| 50, St Johns Road866 m away | 83 m² | 133 m² | +50 m² +60% | 2014 |
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| 50, Clockhouse Lane632 m away | 90 m² | 139 m² | +49 m² +54% | 2024 |
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| 33, Kingshill Avenue769 m away | 83 m² | 132 m² | +49 m² +59% | 2021 |
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| 19, Felstead Road861 m away | 71 m² | 120 m² | +49 m² +69% | 2017 |
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| 17, Lynwood Drive605 m away | 75 m² | 123 m² | +48 m² +64% | 2025 |
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| 58, Victoria Avenue366 m away | 77 m² | 125 m² | +48 m² +62% | 2024 |
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| 44, Firbank Road453 m away | 69 m² | 117 m² | +48 m² +70% | 2022 |
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| 43, Sheila Road559 m away | 71 m² | 118 m² | +47 m² +66% | 2026 |
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| 25, Larchwood Avenue359 m away | 79 m² | 125 m² | +46 m² +58% | 2025 |
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| 106, Lynwood Drive353 m away | 70 m² | 116 m² | +46 m² +66% | 2024 |
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| 78, Ascension Road821 m away | 73 m² | 119 m² | +46 m² +63% | 2024 |
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| 13, Larchwood Avenue359 m away | 82 m² | 128 m² | +46 m² +56% | 2016 |
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| 92, Lynwood Drive353 m away | 95 m² | 140 m² | +45 m² +47% | 2021 |
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| 24, Charlotte Gardens170 m away | 86 m² | 130 m² | +44 m² +51% | 2012 |
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| 46, Lodge Lane798 m away | 80 m² | 123 m² | +43 m² +54% | 2025 |
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| 70, Hog Hill Road998 m away | 79 m² | 121 m² | +42 m² +53% | 2021 |
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| 36, Lodge Lane798 m away | 92 m² | 133 m² | +41 m² +45% | 2023 |
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| 90, Collier Row Road865 m away | 68 m² | 108 m² | +40 m² +59% | 2017 |
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| 150, Turpin Avenue346 m away | 90 m² | 129 m² | +39 m² +43% | 2026 |
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| 30a, Firbank Road453 m away | 56 m² | 94 m² | +38 m² +68% | 2021 |
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| 197, Carter Drive265 m away | 72 m² | 110 m² | +38 m² +53% | 2020 |
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| 22, Hog Hill Road998 m away | 122 m² | 159 m² | +37 m² +30% | 2026 |
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| 94, Carter Drive208 m away | 78 m² | 114 m² | +36 m² +46% | 2020 |
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| 7, Judith Avenue356 m away | 67 m² | 103 m² | +36 m² +54% | 2019 |
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| 28, St Johns Road711 m away | 75 m² | 111 m² | +36 m² +48% | 2011 |
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| 14, Burland Road788 m away | 93 m² | 127 m² | +34 m² +37% | 2026 |
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| 19, Chase Cross Road803 m away | 167 m² | 201 m² | +34 m² +20% | 2026 |
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| 47, Chase Cross Road803 m away | 79 m² | 112 m² | +33 m² +42% | 2025 |
|---|
| 293, Carter Drive454 m away | 137 m² | 170 m² | +33 m² +24% | 2024 |
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| 10, Carter Drive547 m away | 89 m² | 122 m² | +33 m² +37% | 2016 |
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| 2, Navarre Gardens274 m away | 70 m² | 102 m² | +32 m² +46% | 2021 |
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| 77, Kingshill Avenue929 m away | 83 m² | 114 m² | +31 m² +37% | 2024 |
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| 176, Clockhouse Lane584 m away | 88 m² | 119 m² | +31 m² +35% | 2021 |
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| 40, Dominion Drive372 m away | 82 m² | 112 m² | +30 m² +37% | 2018 |
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| 40, Lodge Lane798 m away | 75 m² | 105 m² | +30 m² +40% | 2017 |
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| 312, Lodge Lane449 m away | 91 m² | 121 m² | +30 m² +33% | 2015 |
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| 124, Lodge Lane401 m away | 55 m² | 84 m² | +29 m² +53% | 2025 |
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| 4, Hollybush Close952 m away | 88 m² | 117 m² | +29 m² +33% | 2025 |
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| 3, Penn Gardens679 m away | 92 m² | 121 m² | +29 m² +32% | 2024 |
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| 175, Carter Drive208 m away | 66 m² | 95 m² | +29 m² +44% | 2023 |
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| 15, Kingshill Avenue614 m away | 93 m² | 122 m² | +29 m² +31% | 2021 |
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| 75, Lynwood Drive353 m away | 85 m² | 112 m² | +27 m² +32% | 2024 |
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| 30, Firbank Road453 m away | 89 m² | 116 m² | +27 m² +30% | 2024 |
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| 83, Boxmoor Road592 m away | 86 m² | 113 m² | +27 m² +31% | 2015 |
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| 215, Lodge Lane399 m away | 94 m² | 120 m² | +26 m² +28% | 2025 |
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| 5, Burchwall Close919 m away | 74 m² | 100 m² | +26 m² +35% | 2022 |
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| 84, Gelsthorpe Road689 m away | 98 m² | 123 m² | +25 m² +26% | 2026 |
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| 152, Kingshill Avenue929 m away | 85 m² | 110 m² | +25 m² +29% | 2016 |
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| 30, Cornell Way292 m away | 141 m² | 166 m² | +25 m² +18% | 2013 |
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| 2, Judith Avenue356 m away | 128 m² | 151 m² | +23 m² +18% | 2026 |
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| 49, Ramsden Drive741 m away | 77 m² | 100 m² | +23 m² +30% | 2025 |
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| 134, Carter Drive454 m away | 93 m² | 116 m² | +23 m² +25% | 2023 |
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| 3, Larchwood Avenue359 m away | 79 m² | 102 m² | +23 m² +29% | 2019 |
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| 57, Cornell Way354 m away | 82 m² | 105 m² | +23 m² +28% | 2013 |
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| 88, Collier Row Road865 m away | 69 m² | 91 m² | +22 m² +32% | 2026 |
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| 24, Oates Road227 m away | 74 m² | 96 m² | +22 m² +30% | 2025 |
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| 180, Lodge Lane401 m away | 87 m² | 109 m² | +22 m² +25% | 2025 |
|---|
| 12, Penn Gardens679 m away | 146 m² | 168 m² | +22 m² +15% | 2025 |
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| 145, Turpin Avenue410 m away | 108 m² | 130 m² | +22 m² +20% | 2022 |
|---|
| 1, Highfield Road696 m away | 129 m² | 151 m² | +22 m² +17% | 2020 |
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| 23, Hamlet Road861 m away | 97 m² | 119 m² | +22 m² +23% | 2016 |
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| 100, Riversdale Road647 m away | 87 m² | 109 m² | +22 m² +25% | 2014 |
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| 153, Clockhouse Lane530 m away | 98 m² | 119 m² | +21 m² +21% | 2026 |
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| 29, Fullers Close988 m away | 47 m² | 68 m² | +21 m² +45% | 2026 |
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| 25, Burland Road788 m away | 87 m² | 108 m² | +21 m² +24% | 2024 |
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| 40, Ravenswood Close445 m away | 128 m² | 149 m² | +21 m² +16% | 2023 |
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| 19, Prestwood Drive752 m away | 81 m² | 102 m² | +21 m² +26% | 2022 |
|---|
| 1, Dominion Drive375 m away | 77 m² | 98 m² | +21 m² +27% | 2021 |
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| 2, Charlotte Gardens82 m away | 109 m² | 129 m² | +20 m² +18% | 2023 |
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| 43, Ramsden Drive741 m away | 67 m² | 87 m² | +20 m² +30% | 2023 |
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| 39, Warden Avenue852 m away | 84 m² | 104 m² | +20 m² +24% | 2015 |
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| 4, Udall Gardens195 m away | 48 m² | 68 m² | +20 m² +42% | 2010 |
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| 22, Fry Close105 m away | 79 m² | 98 m² | +19 m² +24% | 2026 |
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| 38, Firbank Road453 m away | 69 m² | 87 m² | +18 m² +26% | 2025 |
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| 25, Oates Road246 m away | 73 m² | 91 m² | +18 m² +25% | 2022 |
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| 5, Vernon Road925 m away | 66 m² | 84 m² | +18 m² +27% | 2020 |
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| 36, Charlotte Gardens170 m away | 111 m² | 129 m² | +18 m² +16% | 2018 |
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| 10, Taylor Close637 m away | 89 m² | 107 m² | +18 m² +20% | 2012 |
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| 4, Ray Road356 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
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| 2, Ramsden Drive834 m away | 66 m² | 83 m² | +17 m² +26% | 2025 |
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| 154, Charlotte Gardens305 m away | 102 m² | 119 m² | +17 m² +17% | 2016 |
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| 72, Carter Drive186 m away | 79 m² | 96 m² | +17 m² +22% | 2013 |
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| Apartment 30, Tythe Court, 141, White Hart Lane982 m away | 43 m² | 59 m² | +16 m² +37% | 2023 |
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| 64, Lodge Lane798 m away | 83 m² | 99 m² | +16 m² +19% | 2022 |
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| 25, Victoria Avenue346 m away | 78 m² | 94 m² | +16 m² +21% | 2021 |
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| 69, Victoria Avenue346 m away | 91 m² | 107 m² | +16 m² +18% | 2016 |
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| 213, Lodge Lane399 m away | 63 m² | 79 m² | +16 m² +25% | 2015 |
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| 42, Firbank Road453 m away | 69 m² | 84 m² | +15 m² +22% | 2023 |
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| 157, Hillrise Road995 m away | 51 m² | 66 m² | +15 m² +29% | 2021 |
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| 18, Lynwood Drive569 m away | 69 m² | 84 m² | +15 m² +22% | 2019 |
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