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 RM14 3JR
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 |
|---|---|---|---|---|
| 90, Moor Lane369 m away | 114 m² | 238 m² | +124 m² +109% | 2026 |
| 76, Deyncourt Gardens858 m away | 104 m² | 205 m² | +101 m² +97% | 2018 |
| 26, Eversleigh Gardens631 m away | 78 m² | 178 m² | +100 m² +128% | 2024 |
| 1, Kings Gardens758 m away | 104 m² | 204 m² | +100 m² +96% | 2023 |
| 45, Westbury Terrace196 m away | 86 m² | 178 m² | +92 m² +107% | 2023 |
| 48, St Albans Avenue39 m away | 74 m² | 165 m² | +91 m² +123% | 2025 |
| 48, Ingrebourne Gardens749 m away | 102 m² | 193 m² | +91 m² +89% | 2023 |
| 21, Eversleigh Gardens671 m away | 80 m² | 170 m² | +90 m² +113% | 2021 |
| 54, Marlborough Gardens649 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.
| 229 m² |
| 319 m² |
| +90 m² +39% |
| 2017 |
| 29, St Albans Avenue0 m away | 68 m² | 150 m² | +82 m² +121% | 2023 |
|---|
| 6, Franks Cottages, St Mary'S Lane933 m away | 91 m² | 170 m² | +79 m² +87% | 2013 |
|---|
| 2b, Grosvenor Gardens902 m away | 153 m² | 225 m² | +72 m² +47% | 2022 |
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| 33, Brunswick Avenue924 m away | 68 m² | 140 m² | +72 m² +106% | 2020 |
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| 43, Moor Lane369 m away | 82 m² | 151 m² | +69 m² +84% | 2025 |
|---|
| 20, Laburnham Gardens954 m away | 86 m² | 155 m² | +69 m² +80% | 2022 |
|---|
| 37, Argyle Gardens894 m away | 81 m² | 149 m² | +68 m² +84% | 2023 |
|---|
| 15, Eversleigh Gardens671 m away | 96 m² | 163 m² | +67 m² +70% | 2026 |
|---|
| 41, Deyncourt Gardens858 m away | 119 m² | 185 m² | +66 m² +55% | 2025 |
|---|
| 42, St Albans Avenue39 m away | 74 m² | 140 m² | +66 m² +89% | 2015 |
|---|
| 13, Marlborough Gardens667 m away | 79 m² | 144 m² | +65 m² +82% | 2022 |
|---|
| 86, Deyncourt Gardens701 m away | 108 m² | 172 m² | +64 m² +59% | 2023 |
|---|
| 23, Eldred Gardens832 m away | 95 m² | 157 m² | +62 m² +65% | 2020 |
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| 42, Eversleigh Gardens631 m away | 90 m² | 151 m² | +61 m² +68% | 2024 |
|---|
| 39, Grosvenor Gardens948 m away | 120 m² | 181 m² | +61 m² +51% | 2022 |
|---|
| 126, Howard Road748 m away | 62 m² | 121 m² | +59 m² +95% | 2023 |
|---|
| 60, Front Lane492 m away | 59 m² | 118 m² | +59 m² +100% | 2015 |
|---|
| 98, Howard Road748 m away | 47 m² | 104 m² | +57 m² +121% | 2015 |
|---|
| 52, Cranham Gardens668 m away | 140 m² | 196 m² | +56 m² +40% | 2025 |
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| 34, Argyle Gardens892 m away | 142 m² | 198 m² | +56 m² +39% | 2025 |
|---|
| 3, Laburnham Gardens954 m away | 61 m² | 116 m² | +55 m² +90% | 2026 |
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| 128, Front Lane837 m away | 121 m² | 176 m² | +55 m² +45% | 2025 |
|---|
| 1, Ashvale Drive278 m away | 84 m² | 139 m² | +55 m² +65% | 2024 |
|---|
| 120, Howard Road748 m away | 51 m² | 106 m² | +55 m² +108% | 2024 |
|---|
| 4, Westbury Terrace196 m away | 79 m² | 133 m² | +54 m² +68% | 2024 |
|---|
| 80, Argyle Gardens997 m away | 75 m² | 128 m² | +53 m² +71% | 2024 |
|---|
| 1, Marlborough Gardens667 m away | 97 m² | 150 m² | +53 m² +55% | 2020 |
|---|
| 9, Grosvenor Gardens948 m away | 318 m² | 371 m² | +53 m² +17% | 2019 |
|---|
| 5, Aylett Road976 m away | 85 m² | 138 m² | +53 m² +62% | 2018 |
|---|
| 3, Marlborough Close591 m away | 77 m² | 129 m² | +52 m² +68% | 2026 |
|---|
| 96, Marlborough Gardens773 m away | 93 m² | 145 m² | +52 m² +56% | 2021 |
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| 53, Argyle Gardens894 m away | 81 m² | 133 m² | +52 m² +64% | 2021 |
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| 151, Howard Road744 m away | 121 m² | 173 m² | +52 m² +43% | 2020 |
|---|
| 3, Chester Avenue85 m away | 100 m² | 151 m² | +51 m² +51% | 2024 |
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| 54, Deyncourt Gardens858 m away | 139 m² | 189 m² | +50 m² +36% | 2022 |
|---|
| 97, Ingrebourne Gardens568 m away | 113 m² | 161 m² | +48 m² +42% | 2026 |
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| 38, Kings Gardens769 m away | 84 m² | 132 m² | +48 m² +57% | 2019 |
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| 6, Plough Rise547 m away | 76 m² | 123 m² | +47 m² +62% | 2024 |
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| 5, Laburnham Gardens954 m away | 93 m² | 140 m² | +47 m² +51% | 2015 |
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| 47, Marlborough Gardens773 m away | 122 m² | 168 m² | +46 m² +38% | 2024 |
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| 6, Rectory Gardens374 m away | 159 m² | 205 m² | +46 m² +29% | 2023 |
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| 10, Briarleas Gardens882 m away | 84 m² | 129 m² | +45 m² +54% | 2024 |
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| 36, Tabrums Way947 m away | 94 m² | 139 m² | +45 m² +48% | 2018 |
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| 97, Marlborough Gardens944 m away | 160 m² | 204 m² | +44 m² +28% | 2021 |
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| 1, Limerick Gardens850 m away | 74 m² | 117 m² | +43 m² +58% | 2026 |
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| 11, Marlborough Gardens667 m away | 124 m² | 165 m² | +41 m² +33% | 2024 |
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| 131, Howard Road744 m away | 65 m² | 106 m² | +41 m² +63% | 2023 |
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| 20, Heron Way665 m away | 82 m² | 123 m² | +41 m² +50% | 2021 |
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| 65, Limerick Gardens916 m away | 93 m² | 134 m² | +41 m² +44% | 2021 |
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| 10, Nightingale Avenue479 m away | 83 m² | 123 m² | +40 m² +48% | 2021 |
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| 99, Howard Road744 m away | 49 m² | 88 m² | +39 m² +80% | 2021 |
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| 123, Howard Road744 m away | 55 m² | 93 m² | +38 m² +69% | 2020 |
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| 15, Lichfield Terrace169 m away | 95 m² | 133 m² | +38 m² +40% | 2016 |
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| 18, Tabrums Way947 m away | 84 m² | 121 m² | +37 m² +44% | 2025 |
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| 64, Marlborough Gardens773 m away | 115 m² | 152 m² | +37 m² +32% | 2022 |
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| 23, Eversleigh Gardens671 m away | 117 m² | 154 m² | +37 m² +32% | 2021 |
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| 25, The Crescent938 m away | 80 m² | 117 m² | +37 m² +46% | 2021 |
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| 74, Winchester Avenue297 m away | 98 m² | 135 m² | +37 m² +38% | 2012 |
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| 28, Front Lane239 m away | 99 m² | 135 m² | +36 m² +36% | 2022 |
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| 30, The Crescent818 m away | 76 m² | 112 m² | +36 m² +47% | 2022 |
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| 21, Kings Gardens758 m away | 51 m² | 85 m² | +34 m² +67% | 2025 |
|---|
| 2a, Cranham Gardens480 m away | 79 m² | 113 m² | +34 m² +43% | 2020 |
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| 12, Mallard Close731 m away | 98 m² | 132 m² | +34 m² +35% | 2016 |
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| 27, Deyncourt Gardens858 m away | 120 m² | 154 m² | +34 m² +28% | 2014 |
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| 369, St Mary'S Lane480 m away | 111 m² | 144 m² | +33 m² +30% | 2025 |
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| 109, Howard Road744 m away | 64 m² | 97 m² | +33 m² +52% | 2025 |
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| 5, Kings Gardens758 m away | 103 m² | 136 m² | +33 m² +32% | 2025 |
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| 125, Argyle Gardens997 m away | 103 m² | 136 m² | +33 m² +32% | 2024 |
|---|
| 14, Worcester Avenue207 m away | 100 m² | 133 m² | +33 m² +33% | 2022 |
|---|
| 44, Heron Way600 m away | 71 m² | 104 m² | +33 m² +46% | 2019 |
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| 14, Rustic Close479 m away | 83 m² | 116 m² | +33 m² +40% | 2017 |
|---|
| 11, New Place Gardens953 m away | 150 m² | 183 m² | +33 m² +22% | 2011 |
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| 135, Heron Way232 m away | 74 m² | 106 m² | +32 m² +43% | 2025 |
|---|
| 34, Nightingale Avenue479 m away | 98 m² | 130 m² | +32 m² +33% | 2019 |
|---|
| 2a, Grosvenor Gardens902 m away | 199 m² | 231 m² | +32 m² +16% | 2019 |
|---|
| 45, Plough Rise559 m away | 98 m² | 129 m² | +31 m² +32% | 2025 |
|---|
| 115, Front Lane494 m away | 69 m² | 100 m² | +31 m² +45% | 2018 |
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| 18, Ashvale Gardens261 m away | 89 m² | 119 m² | +30 m² +34% | 2023 |
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| 183, Howard Road744 m away | 102 m² | 131 m² | +29 m² +28% | 2026 |
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| 35, Eversleigh Gardens671 m away | 120 m² | 149 m² | +29 m² +24% | 2022 |
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| 8, Claremont Gardens813 m away | 189 m² | 218 m² | +29 m² +15% | 2021 |
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| 14, St Albans Avenue39 m away | 91 m² | 119 m² | +28 m² +31% | 2026 |
|---|
| 5, Kerry Drive824 m away | 139 m² | 167 m² | +28 m² +20% | 2021 |
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| 10, Argyle Gardens892 m away | 80 m² | 108 m² | +28 m² +35% | 2021 |
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| 18, Peterborough Avenue259 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
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| 13, Holden Way860 m away | 170 m² | 197 m² | +27 m² +16% | 2020 |
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| 19, St Albans Avenue0 m away | 97 m² | 123 m² | +26 m² +27% | 2024 |
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| 26, The Crescent818 m away | 52 m² | 78 m² | +26 m² +50% | 2024 |
|---|
| 94, Cranham Gardens864 m away | 68 m² | 94 m² | +26 m² +38% | 2017 |
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| 41, Ingrebourne Gardens998 m away | 152 m² | 178 m² | +26 m² +17% | 2015 |
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| 13, Worcester Avenue170 m away | 93 m² | 118 m² | +25 m² +27% | 2017 |
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| 10, The Crescent818 m away | 68 m² | 93 m² | +25 m² +37% | 2013 |
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| 17, Kings Gardens758 m away | 69 m² | 93 m² | +24 m² +35% | 2020 |
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| 34, Canterbury Avenue124 m away | 87 m² | 111 m² | +24 m² +28% | 2015 |
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| 58, Front Lane492 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
|---|
| 10, Chester Avenue50 m away | 83 m² | 105 m² | +22 m² +27% | 2018 |
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| 20, Moor Lane297 m away | 65 m² | 87 m² | +22 m² +34% | 2014 |
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| 31, Westbury Terrace196 m away | 75 m² | 96 m² | +21 m² +28% | 2024 |
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| 48, Eversleigh Gardens631 m away | 115 m² | 136 m² | +21 m² +18% | 2018 |
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| 76, Ingrebourne Gardens490 m away | 129 m² | 150 m² | +21 m² +16% | 2009 |
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| 51, Limerick Gardens916 m away | 87 m² | 107 m² | +20 m² +23% | 2026 |
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| 7, Plover Gardens500 m away | 82 m² | 102 m² | +20 m² +24% | 2024 |
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| 129, Howard Road744 m away | 48 m² | 68 m² | +20 m² +42% | 2020 |
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| 8a, Willow Parade343 m away | 32 m² | 52 m² | +20 m² +63% | 2016 |
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| 13, Dorkins Way660 m away | 61 m² | 81 m² | +20 m² +33% | 2012 |
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| 109, Front Lane494 m away | 100 m² | 120 m² | +20 m² +20% | 2011 |
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| 44, Westbury Terrace196 m away | 80 m² | 99 m² | +19 m² +24% | 2021 |
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| 14, Ashvale Gardens261 m away | 79 m² | 97 m² | +18 m² +23% | 2016 |
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| 50, Argyle Gardens892 m away | 96 m² | 114 m² | +18 m² +19% | 2013 |
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| 88, Moor Lane369 m away | 78 m² | 95 m² | +17 m² +22% | 2021 |
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| 10, Plover Gardens500 m away | 78 m² | 95 m² | +17 m² +22% | 2020 |
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| 44, Cranham Gardens668 m away | 71 m² | 88 m² | +17 m² +24% | 2017 |
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| 60, Moor Lane369 m away | 67 m² | 83 m² | +16 m² +24% | 2024 |
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| 93a, Moor Lane580 m away | 74 m² | 90 m² | +16 m² +22% | 2023 |
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| 18, Kingfisher Road591 m away | 82 m² | 98 m² | +16 m² +20% | 2018 |
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| 33, St Albans Avenue0 m away | 75 m² | 90 m² | +15 m² +20% | 2020 |
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| 283, St Marys Lane852 m away | 64 m² | 79 m² | +15 m² +23% | 2017 |
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