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 HP13 7NJ
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 |
|---|---|---|---|---|
| 274, Totteridge Road808 m away | 106 m² | 234 m² | +128 m² +121% | 2015 |
| 1, St Georges Close690 m away | 120 m² | 237 m² | +117 m² +98% | 2026 |
| 106, Hatters Lane398 m away | 132 m² | 227 m² | +95 m² +72% | 2025 |
| 2, Philip Road842 m away | 61 m² | 144 m² | +83 m² +136% | 2014 |
| 66, Hatters Lane0 m away | 130 m² | 204 m² | +74 m² +57% | 2021 |
| 49, Melbourne Road540 m away | 80 m² | 150 m² | +70 m² +88% | 2025 |
| 230, Hatters Lane914 m away | 85 m² | 150 m² | +65 m² +76% | 2019 |
| 195, London Road733 m away | 64 m² | 128 m² | +64 m² +100% | 2015 |
| 21, Hunt Road476 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.
| 144 m² |
| +57 m² +66% |
| 2014 |
| 27, Tenzing Drive161 m away | 49 m² | 105 m² | +56 m² +114% | 2016 |
|---|
| 19, Horsenden Road359 m away | 83 m² | 135 m² | +52 m² +63% | 2021 |
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| Trees, Gypsy Lane924 m away | 117 m² | 169 m² | +52 m² +44% | 2014 |
|---|
| 16, Micklefield Road616 m away | 96 m² | 147 m² | +51 m² +53% | 2025 |
|---|
| 37, Guinions Road308 m away | 73 m² | 122 m² | +49 m² +67% | 2014 |
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| 9, Pinions Road558 m away | 72 m² | 120 m² | +48 m² +67% | 2026 |
|---|
| 71, Cambridge Crescent635 m away | 82 m² | 130 m² | +48 m² +59% | 2014 |
|---|
| 60, Hatters Lane0 m away | 95 m² | 142 m² | +47 m² +49% | 2024 |
|---|
| 31, Cock Lane703 m away | 65 m² | 112 m² | +47 m² +72% | 2019 |
|---|
| 41, Pimms Grove911 m away | 88 m² | 134 m² | +46 m² +52% | 2019 |
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| 31, Hatters Lane71 m away | 74 m² | 120 m² | +46 m² +62% | 2013 |
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| 6, Hazelbury Road677 m away | 72 m² | 115 m² | +43 m² +60% | 2024 |
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| 220, Totteridge Road855 m away | 100 m² | 143 m² | +43 m² +43% | 2024 |
|---|
| 79, Micklefield Road398 m away | 77 m² | 120 m² | +43 m² +56% | 2013 |
|---|
| 3a, Buckingham Close710 m away | 43 m² | 85 m² | +42 m² +98% | 2024 |
|---|
| 3, Rosebery Avenue495 m away | 76 m² | 118 m² | +42 m² +55% | 2023 |
|---|
| 2, Hollis Road911 m away | 90 m² | 132 m² | +42 m² +47% | 2016 |
|---|
| 219, Hatters Lane914 m away | 58 m² | 100 m² | +42 m² +72% | 2011 |
|---|
| 87, Dean Garden Rise944 m away | 89 m² | 130 m² | +41 m² +46% | 2023 |
|---|
| 242, Totteridge Road808 m away | 77 m² | 118 m² | +41 m² +53% | 2019 |
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| 265, Totteridge Road838 m away | 74 m² | 114 m² | +40 m² +54% | 2024 |
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| 217, Hatters Lane914 m away | 66 m² | 106 m² | +40 m² +61% | 2024 |
|---|
| 17, St Georges Close690 m away | 84 m² | 124 m² | +40 m² +48% | 2015 |
|---|
| 52, Dean Garden Rise986 m away | 69 m² | 108 m² | +39 m² +57% | 2022 |
|---|
| 76, Hatters Lane0 m away | 82 m² | 121 m² | +39 m² +48% | 2016 |
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| 146, London Road737 m away | 164 m² | 202 m² | +38 m² +23% | 2025 |
|---|
| 5, Rosebery Avenue495 m away | 80 m² | 118 m² | +38 m² +48% | 2023 |
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| Rosedale, Bassetsbury Lane806 m away | 133 m² | 171 m² | +38 m² +29% | 2022 |
|---|
| 13, Pimms Grove884 m away | 87 m² | 125 m² | +38 m² +44% | 2017 |
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| 87, Micklefield Road398 m away | 84 m² | 120 m² | +36 m² +43% | 2025 |
|---|
| 97, Guinions Road447 m away | 80 m² | 116 m² | +36 m² +45% | 2022 |
|---|
| 13, Rosebery Avenue495 m away | 83 m² | 119 m² | +36 m² +43% | 2020 |
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| 14, Gladstone Rise165 m away | 86 m² | 121 m² | +35 m² +41% | 2026 |
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| 54, Herbert Road801 m away | 68 m² | 103 m² | +35 m² +51% | 2014 |
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| 252, Totteridge Road808 m away | 90 m² | 125 m² | +35 m² +39% | 2014 |
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| 49, Wheelers Park964 m away | 71 m² | 105 m² | +34 m² +48% | 2020 |
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| 29, Terryfield Road373 m away | 73 m² | 107 m² | +34 m² +47% | 2016 |
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| 18, Hennerton Way233 m away | 72 m² | 106 m² | +34 m² +47% | 2015 |
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| 12, Hampden Way139 m away | 82 m² | 115 m² | +33 m² +40% | 2021 |
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| 3, Hillary Close213 m away | 83 m² | 116 m² | +33 m² +40% | 2018 |
|---|
| 1, Baring Road726 m away | 80 m² | 113 m² | +33 m² +41% | 2017 |
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| 11, Hampden Way139 m away | 76 m² | 108 m² | +32 m² +42% | 2026 |
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| 14, Pinions Road558 m away | 70 m² | 102 m² | +32 m² +46% | 2025 |
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| 310, Totteridge Road908 m away | 205 m² | 237 m² | +32 m² +16% | 2025 |
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| 168, Hicks Farm Rise766 m away | 95 m² | 127 m² | +32 m² +34% | 2016 |
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| 8, Rosebery Avenue495 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
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| 20, Dean Garden Rise986 m away | 83 m² | 114 m² | +31 m² +37% | 2023 |
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| 8, Pimms Close974 m away | 123 m² | 154 m² | +31 m² +25% | 2021 |
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| 110, Micklefield Road445 m away | 88 m² | 119 m² | +31 m² +35% | 2020 |
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| 1, Firs Close821 m away | 87 m² | 118 m² | +31 m² +36% | 2020 |
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| 10, Melbourne Road570 m away | 98 m² | 128 m² | +30 m² +31% | 2025 |
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| 3, The Crescent976 m away | 80 m² | 110 m² | +30 m² +38% | 2024 |
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| 8, Quebec Road239 m away | 92 m² | 122 m² | +30 m² +33% | 2023 |
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| 312, Micklefield Road995 m away | 83 m² | 113 m² | +30 m² +36% | 2023 |
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| Flat 7, Rollings House, Wrights Meadow Road939 m away | 33 m² | 63 m² | +30 m² +91% | 2019 |
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| 17, Terryfield Road373 m away | 75 m² | 105 m² | +30 m² +40% | 2015 |
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| 2, Gynant Road314 m away | 81 m² | 111 m² | +30 m² +37% | 2014 |
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| 7, Peatey Court, Princes Gate593 m away | 32 m² | 61 m² | +29 m² +91% | 2025 |
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| 20, St Georges Close690 m away | 113 m² | 142 m² | +29 m² +26% | 2023 |
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| 28, Linchfield657 m away | 45 m² | 74 m² | +29 m² +64% | 2016 |
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| 59a, Cock Lane703 m away | 101 m² | 129 m² | +28 m² +28% | 2020 |
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| 11, Totteridge Avenue958 m away | 64 m² | 92 m² | +28 m² +44% | 2009 |
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| 19, St Georges Close690 m away | 95 m² | 122 m² | +27 m² +28% | 2018 |
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| 68, Chequers Avenue680 m away | 107 m² | 133 m² | +26 m² +24% | 2014 |
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| 47, Cock Lane703 m away | 94 m² | 118 m² | +24 m² +26% | 2025 |
|---|
| 10, The Crescent976 m away | 108 m² | 132 m² | +24 m² +22% | 2024 |
|---|
| 16, Kendalls Close152 m away | 59 m² | 83 m² | +24 m² +41% | 2021 |
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| 28, Rosebery Avenue495 m away | 96 m² | 120 m² | +24 m² +25% | 2020 |
|---|
| 91, Gayhurst Road639 m away | 74 m² | 98 m² | +24 m² +32% | 2015 |
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| 10, Millers Crescent754 m away | 63 m² | 86 m² | +23 m² +37% | 2022 |
|---|
| 210, Hatters Lane691 m away | 67 m² | 90 m² | +23 m² +34% | 2021 |
|---|
| 80, Sierra Road583 m away | 135 m² | 158 m² | +23 m² +17% | 2017 |
|---|
| 46, Hatters Lane0 m away | 87 m² | 110 m² | +23 m² +26% | 2016 |
|---|
| 84, Guinions Road483 m away | 71 m² | 94 m² | +23 m² +32% | 2015 |
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| 468a, London Road619 m away | 65 m² | 87 m² | +22 m² +34% | 2024 |
|---|
| 128, Hillary Road169 m away | 83 m² | 105 m² | +22 m² +27% | 2023 |
|---|
| 42, Micklefield Road437 m away | 57 m² | 79 m² | +22 m² +39% | 2021 |
|---|
| 49, Hicks Farm Rise330 m away | 87 m² | 109 m² | +22 m² +25% | 2020 |
|---|
| 161, Totteridge Road990 m away | 73 m² | 95 m² | +22 m² +30% | 2017 |
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| 47, Colne Road586 m away | 67 m² | 89 m² | +22 m² +33% | 2016 |
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| 23, Colne Road586 m away | 90 m² | 112 m² | +22 m² +24% | 2016 |
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| 14, Hillary Road624 m away | 89 m² | 111 m² | +22 m² +25% | 2014 |
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| 32, Tadros Court510 m away | 128 m² | 150 m² | +22 m² +17% | 2012 |
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| 217, Totteridge Road879 m away | 72 m² | 93 m² | +21 m² +29% | 2026 |
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| 91, Queens Road978 m away | 87 m² | 108 m² | +21 m² +24% | 2025 |
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| 14, Kendalls Close152 m away | 60 m² | 81 m² | +21 m² +35% | 2016 |
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| 346, Micklefield Road931 m away | 80 m² | 101 m² | +21 m² +26% | 2016 |
|---|
| 45, Kendalls Close152 m away | 87 m² | 108 m² | +21 m² +24% | 2015 |
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| 33, Totteridge Avenue958 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
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| 6, The Crescent976 m away | 92 m² | 112 m² | +20 m² +22% | 2025 |
|---|
| 44, Micklefield Road437 m away | 88 m² | 108 m² | +20 m² +23% | 2020 |
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| 3, Farm Close774 m away | 49 m² | 69 m² | +20 m² +41% | 2016 |
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| 9, Elora Road880 m away | 89 m² | 109 m² | +20 m² +22% | 2013 |
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| 142, Hatters Lane398 m away | 86 m² | 106 m² | +20 m² +23% | 2011 |
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| 126, Bowerdean Road891 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
|---|
| 67a, Cock Lane830 m away | 67 m² | 86 m² | +19 m² +28% | 2014 |
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| 193, London Road733 m away | 72 m² | 90 m² | +18 m² +25% | 2024 |
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| 91, Dean Garden Rise944 m away | 89 m² | 107 m² | +18 m² +20% | 2024 |
|---|
| 27, Cromwell Road423 m away | 96 m² | 114 m² | +18 m² +19% | 2021 |
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| 74, Peatey Court, Princes Gate489 m away | 32 m² | 50 m² | +18 m² +56% | 2020 |
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| 66, Totteridge Avenue971 m away | 92 m² | 110 m² | +18 m² +20% | 2020 |
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| 79, Hicks Farm Rise500 m away | 78 m² | 96 m² | +18 m² +23% | 2019 |
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| 246, Totteridge Road808 m away | 89 m² | 107 m² | +18 m² +20% | 2018 |
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| 88, Hawthorne Road588 m away | 62 m² | 79 m² | +17 m² +27% | 2023 |
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| 7, Kernmantle House, The Roperies226 m away | 75 m² | 92 m² | +17 m² +23% | 2019 |
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| 7, Alexandra Road376 m away | 74 m² | 90 m² | +16 m² +22% | 2024 |
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| 46, Misbourne Avenue272 m away | 71 m² | 87 m² | +16 m² +23% | 2022 |
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| 561, London Road875 m away | 85 m² | 101 m² | +16 m² +19% | 2022 |
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| Flat 30, Priestley Court, Princes Gate583 m away | 52 m² | 68 m² | +16 m² +31% | 2021 |
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| 21, Denewood, Totteridge Road857 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
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| 21, Elora Road880 m away | 79 m² | 95 m² | +16 m² +20% | 2019 |
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| 10, Gordon Road1000 m away | 84 m² | 100 m² | +16 m² +19% | 2019 |
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| 21, Buckingham Drive589 m away | 45 m² | 61 m² | +16 m² +36% | 2015 |
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| 449, London Road548 m away | 70 m² | 85 m² | +15 m² +21% | 2026 |
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| 201, Micklefield Road842 m away | 99 m² | 114 m² | +15 m² +15% | 2026 |
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| 4, Hollis Road911 m away | 92 m² | 107 m² | +15 m² +16% | 2022 |
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| 32, Tenzing Drive161 m away | 90 m² | 105 m² | +15 m² +17% | 2021 |
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| 68, Linchfield677 m away | 44 m² | 59 m² | +15 m² +34% | 2020 |
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| 8, Healey Avenue849 m away | 73 m² | 88 m² | +15 m² +21% | 2015 |
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