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 EN5 2QE
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 |
|---|---|---|---|---|
| 18, Grange Avenue770 m away | 253 m² | 629 m² | +376 m² +149% | 2015 |
| 14, Grange Avenue770 m away | 337 m² | 634 m² | +297 m² +88% | 2024 |
| 20, Totteridge Common955 m away | 852 m² | 1,072 m² | +220 m² +26% | 2020 |
| 11, Grange Avenue742 m away | 345 m² | 540 m² | +195 m² +57% | 2022 |
| 7, Grange Avenue742 m away | 275 m² | 467 m² | +192 m² +70% | 2025 |
| 4, Horseshoe Lane852 m away | 162 m² | 308 m² | +146 m² +90% | 2026 |
| 14, Garthland Drive920 m away | 107 m² | 201 m² | +94 m² +88% | 2012 |
| 59, Sutton Crescent723 m away | 155 m² | 245 m² | +90 m² +58% | 2022 |
| 126, Chesterfield Road401 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.
| 96 m² |
| 184 m² |
| +88 m² +92% |
| 2023 |
| 5, Grange Avenue742 m away | 507 m² | 593 m² | +86 m² +17% | 2014 |
|---|
| 19, Trinder Road665 m away | 100 m² | 176 m² | +76 m² +76% | 2023 |
|---|
| 32, Leeside680 m away | 89 m² | 161 m² | +72 m² +81% | 2023 |
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| 71, Hillside Gardens850 m away | 78 m² | 148 m² | +70 m² +90% | 2022 |
|---|
| 68, Stanhope Road283 m away | 83 m² | 153 m² | +70 m² +84% | 2021 |
|---|
| 10, Nupton Drive357 m away | 82 m² | 151 m² | +69 m² +84% | 2016 |
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| 38, Endersby Road830 m away | 70 m² | 133 m² | +63 m² +90% | 2022 |
|---|
| 106, Mays Lane744 m away | 133 m² | 195 m² | +62 m² +47% | 2025 |
|---|
| 24, Dunster Close927 m away | 80 m² | 142 m² | +62 m² +78% | 2025 |
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| 20, Sutton Crescent751 m away | 62 m² | 124 m² | +62 m² +100% | 2016 |
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| 8a, Trinder Road665 m away | 50 m² | 110 m² | +60 m² +120% | 2014 |
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| 298, Mays Lane446 m away | 111 m² | 170 m² | +59 m² +53% | 2024 |
|---|
| 88, Fitzjohn Avenue926 m away | 109 m² | 168 m² | +59 m² +54% | 2024 |
|---|
| 38, Southfield161 m away | 72 m² | 129 m² | +57 m² +79% | 2023 |
|---|
| 18, Shelford Road424 m away | 86 m² | 142 m² | +56 m² +65% | 2019 |
|---|
| 55, Garthland Drive957 m away | 139 m² | 195 m² | +56 m² +40% | 2018 |
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| 19, Garthland Drive957 m away | 95 m² | 151 m² | +56 m² +59% | 2013 |
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| 5, The Grange922 m away | 143 m² | 195 m² | +52 m² +36% | 2020 |
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| 58, Pepys Crescent691 m away | 75 m² | 126 m² | +51 m² +68% | 2021 |
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| 77, Cedar Lawn Avenue746 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
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| 10, Willow Drive964 m away | 177 m² | 227 m² | +50 m² +28% | 2020 |
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| 127, Fitzjohn Avenue980 m away | 85 m² | 134 m² | +49 m² +58% | 2013 |
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| 10, Alan Drive370 m away | 76 m² | 124 m² | +48 m² +63% | 2022 |
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| 64, Hillside Gardens723 m away | 94 m² | 141 m² | +47 m² +50% | 2023 |
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| 14, Elmbank Avenue995 m away | 82 m² | 128 m² | +46 m² +56% | 2025 |
|---|
| 28, Endersby Road830 m away | 72 m² | 118 m² | +46 m² +64% | 2014 |
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| 64, Mays Lane875 m away | 75 m² | 120 m² | +45 m² +60% | 2024 |
|---|
| 120, Wellhouse Lane862 m away | 77 m² | 119 m² | +42 m² +55% | 2025 |
|---|
| 27, Nupton Drive374 m away | 71 m² | 113 m² | +42 m² +59% | 2020 |
|---|
| 66, Manor Road841 m away | 107 m² | 149 m² | +42 m² +39% | 2019 |
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| 113, Hillside Gardens700 m away | 117 m² | 158 m² | +41 m² +35% | 2026 |
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| 272, Mays Lane198 m away | 84 m² | 125 m² | +41 m² +49% | 2015 |
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| 21, Pepys Crescent676 m away | 87 m² | 127 m² | +40 m² +46% | 2024 |
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| 87, Hillside Gardens700 m away | 99 m² | 139 m² | +40 m² +40% | 2019 |
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| 44, Cedar Lawn Avenue775 m away | 91 m² | 131 m² | +40 m² +44% | 2012 |
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| 34, Trinder Road806 m away | 80 m² | 119 m² | +39 m² +49% | 2019 |
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| 35, Alan Drive410 m away | 90 m² | 128 m² | +38 m² +42% | 2025 |
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| 78, Cedar Lawn Avenue775 m away | 94 m² | 132 m² | +38 m² +40% | 2024 |
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| Flat 1, Totteridge Park, 22, Totteridge Common961 m away | 79 m² | 117 m² | +38 m² +48% | 2019 |
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| 85, Ridgeview Close33 m away | 71 m² | 109 m² | +38 m² +54% | 2018 |
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| 21, Cedar Lawn Avenue746 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
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| Little House, Edwyn Close334 m away | 78 m² | 115 m² | +37 m² +47% | 2024 |
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| 54, Pepys Crescent691 m away | 78 m² | 115 m² | +37 m² +47% | 2023 |
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| 10, Elmbank Avenue995 m away | 99 m² | 136 m² | +37 m² +37% | 2022 |
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| 131, Fitzjohn Avenue980 m away | 98 m² | 133 m² | +35 m² +36% | 2025 |
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| 4, Ridgeview Close0 m away | 84 m² | 119 m² | +35 m² +42% | 2019 |
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| 13, Manor Road841 m away | 91 m² | 126 m² | +35 m² +38% | 2014 |
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| 8, Escot Way811 m away | 75 m² | 109 m² | +34 m² +45% | 2025 |
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| 84, Chesterfield Road319 m away | 67 m² | 101 m² | +34 m² +51% | 2021 |
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| 152, Mays Lane307 m away | 81 m² | 115 m² | +34 m² +42% | 2016 |
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| 4, Sphinx Way874 m away | 106 m² | 139 m² | +33 m² +31% | 2026 |
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| 25, Sphinx Way874 m away | 90 m² | 123 m² | +33 m² +37% | 2025 |
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| 36, Alan Drive410 m away | 110 m² | 143 m² | +33 m² +30% | 2023 |
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| 125, Bells Hill625 m away | 68 m² | 100 m² | +32 m² +47% | 2025 |
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| 60, Sutton Crescent751 m away | 138 m² | 168 m² | +30 m² +22% | 2025 |
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| 6, Stanhope Road294 m away | 77 m² | 107 m² | +30 m² +39% | 2016 |
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| 170, Mays Lane307 m away | 67 m² | 96 m² | +29 m² +43% | 2021 |
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| 1, Sampson Avenue454 m away | 73 m² | 102 m² | +29 m² +40% | 2020 |
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| 76, Cedar Lawn Avenue775 m away | 89 m² | 118 m² | +29 m² +33% | 2020 |
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| 18, Aitken Road781 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
|---|
| 3, Manor Road841 m away | 90 m² | 117 m² | +27 m² +30% | 2025 |
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| 311, Mays Lane119 m away | 74 m² | 101 m² | +27 m² +36% | 2021 |
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| 7, Well Road599 m away | 90 m² | 117 m² | +27 m² +30% | 2020 |
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| 10, Farm Close800 m away | 75 m² | 101 m² | +26 m² +35% | 2019 |
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| 4, Manor Road841 m away | 92 m² | 117 m² | +25 m² +27% | 2024 |
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| 18, Cedar Lawn Avenue775 m away | 87 m² | 112 m² | +25 m² +29% | 2023 |
|---|
| 29, Trinder Road665 m away | 115 m² | 140 m² | +25 m² +22% | 2015 |
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| 24, Pepys Crescent691 m away | 96 m² | 121 m² | +25 m² +26% | 2015 |
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| 90, Mays Lane875 m away | 55 m² | 79 m² | +24 m² +44% | 2013 |
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| 20, Elmbank Avenue995 m away | 148 m² | 171 m² | +23 m² +16% | 2022 |
|---|
| 11, Valley View572 m away | 85 m² | 108 m² | +23 m² +27% | 2020 |
|---|
| 65, Leeside699 m away | 79 m² | 102 m² | +23 m² +29% | 2015 |
|---|
| 43, Ridgeview Close89 m away | 73 m² | 96 m² | +23 m² +32% | 2014 |
|---|
| 18, Sutton Crescent751 m away | 61 m² | 83 m² | +22 m² +36% | 2016 |
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| 16, Farm Close800 m away | 74 m² | 96 m² | +22 m² +30% | 2014 |
|---|
| 31, Kenerne Drive538 m away | 111 m² | 133 m² | +22 m² +20% | 2010 |
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| Grange Lodge, Grange Avenue770 m away | 101 m² | 122 m² | +21 m² +21% | 2025 |
|---|
| 31, Darlands Drive459 m away | 123 m² | 144 m² | +21 m² +17% | 2018 |
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| 273, Mays Lane352 m away | 88 m² | 109 m² | +21 m² +24% | 2013 |
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| 122, Mays Lane557 m away | 84 m² | 105 m² | +21 m² +25% | 2013 |
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| 44, Ridgeview Close0 m away | 68 m² | 88 m² | +20 m² +29% | 2026 |
|---|
| Flat 5, Elysium Court, 57, Bells Hill877 m away | 56 m² | 76 m² | +20 m² +36% | 2023 |
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| 216, Mays Lane158 m away | 92 m² | 112 m² | +20 m² +22% | 2021 |
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| 32, Cedar Lawn Avenue775 m away | 87 m² | 107 m² | +20 m² +23% | 2015 |
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| 11, Elmbank Avenue969 m away | 81 m² | 101 m² | +20 m² +25% | 2015 |
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| 13, Chesterfield Flats, Bells Hill511 m away | 38 m² | 57 m² | +19 m² +50% | 2026 |
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| 77, Leeside692 m away | 90 m² | 109 m² | +19 m² +21% | 2024 |
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| Flat 2, Totteridge Park, 22, Totteridge Common961 m away | 81 m² | 100 m² | +19 m² +23% | 2019 |
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| 15, Denton Close865 m away | 76 m² | 94 m² | +18 m² +24% | 2018 |
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| 31, Southfield161 m away | 100 m² | 118 m² | +18 m² +18% | 2012 |
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| 2, St Anna Road571 m away | 74 m² | 92 m² | +18 m² +24% | 2012 |
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| 3, Oyster Close449 m away | 97 m² | 114 m² | +17 m² +18% | 2026 |
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| 53, Kenerne Drive538 m away | 79 m² | 96 m² | +17 m² +22% | 2025 |
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| 22, Hill Close710 m away | 71 m² | 88 m² | +17 m² +24% | 2016 |
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| 32, Elmbank Avenue995 m away | 109 m² | 126 m² | +17 m² +16% | 2016 |
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| 7, Boardman Close535 m away | 70 m² | 86 m² | +16 m² +23% | 2023 |
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| 116, Hillside Gardens723 m away | 89 m² | 105 m² | +16 m² +18% | 2009 |
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| 96, Hillside Gardens723 m away | 96 m² | 111 m² | +15 m² +16% | 2020 |
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| 25, Windsor Road295 m away | 55 m² | 70 m² | +15 m² +27% | 2018 |
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| 31, Nupton Drive374 m away | 81 m² | 96 m² | +15 m² +19% | 2014 |
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| 22, Valley View572 m away | 82 m² | 97 m² | +15 m² +18% | 2014 |
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