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 6XG
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 |
|---|---|---|---|---|
| 14, Lucas Road468 m away | 334 m² | 604 m² | +270 m² +81% | 2018 |
| 4, Overleigh Court, Amersham Road960 m away | 103 m² | 242 m² | +139 m² +135% | 2015 |
| 274, Totteridge Road715 m away | 106 m² | 234 m² | +128 m² +121% | 2015 |
| The Cider Press, 37, London Road317 m away | 174 m² | 299 m² | +125 m² +72% | 2024 |
| 1, Rectory Avenue547 m away | 95 m² | 218 m² | +123 m² +129% | 2025 |
| 1, St Georges Close337 m away | 120 m² | 237 m² | +117 m² +98% | 2026 |
| 22, Warren Wood Drive759 m away | 116 m² | 232 m² | +116 m² +100% | 2024 |
| 106, Hatters Lane953 m away | 132 m² | 227 m² | +95 m² +72% | 2025 |
| 2, Philip Road375 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.
| 61 m² |
| 144 m² |
| +83 m² +136% |
| 2014 |
| 25, Rectory Avenue547 m away | 110 m² | 190 m² | +80 m² +73% | 2021 |
|---|
| 28, Lime Avenue947 m away | 82 m² | 157 m² | +75 m² +91% | 2024 |
|---|
| 66, Hatters Lane958 m away | 130 m² | 204 m² | +74 m² +57% | 2021 |
|---|
| 12a, Terry Road763 m away | 102 m² | 172 m² | +70 m² +69% | 2016 |
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| Dartington, The Greenway830 m away | 138 m² | 204 m² | +66 m² +48% | 2026 |
|---|
| 195, London Road482 m away | 64 m² | 128 m² | +64 m² +100% | 2015 |
|---|
| 21, Hunt Road506 m away | 87 m² | 144 m² | +57 m² +66% | 2014 |
|---|
| 27, Tenzing Drive833 m away | 49 m² | 105 m² | +56 m² +114% | 2016 |
|---|
| Flat 8, Towers Lea, Conegra Road597 m away | 55 m² | 110 m² | +55 m² +100% | 2019 |
|---|
| 22, Queen Street380 m away | 82 m² | 136 m² | +54 m² +66% | 2022 |
|---|
| Trees, Gypsy Lane987 m away | 117 m² | 169 m² | +52 m² +44% | 2014 |
|---|
| 13, Mayhew Crescent885 m away | 97 m² | 148 m² | +51 m² +53% | 2017 |
|---|
| 9, Pinions Road757 m away | 72 m² | 120 m² | +48 m² +67% | 2026 |
|---|
| 71, Cambridge Crescent869 m away | 82 m² | 130 m² | +48 m² +59% | 2014 |
|---|
| 29, The Haystacks907 m away | 108 m² | 156 m² | +48 m² +44% | 2014 |
|---|
| 60, Hatters Lane958 m away | 95 m² | 142 m² | +47 m² +49% | 2024 |
|---|
| 39, Rowan Avenue519 m away | 71 m² | 118 m² | +47 m² +66% | 2016 |
|---|
| 15, South Drive781 m away | 82 m² | 129 m² | +47 m² +57% | 2015 |
|---|
| 20, Underwood Road427 m away | 74 m² | 120 m² | +46 m² +62% | 2013 |
|---|
| 31, Hatters Lane933 m away | 74 m² | 120 m² | +46 m² +62% | 2013 |
|---|
| 14, Lime Avenue947 m away | 100 m² | 143 m² | +43 m² +43% | 2026 |
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| 6, Hazelbury Road312 m away | 72 m² | 115 m² | +43 m² +60% | 2024 |
|---|
| 220, Totteridge Road483 m away | 100 m² | 143 m² | +43 m² +43% | 2024 |
|---|
| 3, Rosebery Avenue746 m away | 76 m² | 118 m² | +42 m² +55% | 2023 |
|---|
| 42, Maybrook Gardens782 m away | 157 m² | 199 m² | +42 m² +27% | 2023 |
|---|
| 91, Totteridge Road261 m away | 77 m² | 119 m² | +42 m² +55% | 2018 |
|---|
| 65, Nicholas Gardens689 m away | 57 m² | 99 m² | +42 m² +74% | 2015 |
|---|
| 242, Totteridge Road715 m away | 77 m² | 118 m² | +41 m² +53% | 2019 |
|---|
| 265, Totteridge Road691 m away | 74 m² | 114 m² | +40 m² +54% | 2024 |
|---|
| 17, St Georges Close337 m away | 84 m² | 124 m² | +40 m² +48% | 2015 |
|---|
| 270, Bowerdean Road810 m away | 80 m² | 120 m² | +40 m² +50% | 2013 |
|---|
| May House, The Greenway830 m away | 190 m² | 229 m² | +39 m² +21% | 2026 |
|---|
| 18, Priory Road993 m away | 127 m² | 166 m² | +39 m² +31% | 2022 |
|---|
| 49, Castle Street836 m away | 41 m² | 80 m² | +39 m² +95% | 2017 |
|---|
| 76, Hatters Lane958 m away | 82 m² | 121 m² | +39 m² +48% | 2016 |
|---|
| 146, London Road542 m away | 164 m² | 202 m² | +38 m² +23% | 2025 |
|---|
| 5, Rosebery Avenue746 m away | 80 m² | 118 m² | +38 m² +48% | 2023 |
|---|
| Rosedale, Bassetsbury Lane798 m away | 133 m² | 171 m² | +38 m² +29% | 2022 |
|---|
| 173, Bowerdean Road404 m away | 71 m² | 108 m² | +37 m² +52% | 2025 |
|---|
| 35, Rye View551 m away | 159 m² | 195 m² | +36 m² +23% | 2023 |
|---|
| 13, Rosebery Avenue746 m away | 83 m² | 119 m² | +36 m² +43% | 2020 |
|---|
| 25, Conegra Road441 m away | 82 m² | 118 m² | +36 m² +44% | 2017 |
|---|
| 252, Totteridge Road715 m away | 90 m² | 125 m² | +35 m² +39% | 2014 |
|---|
| 49, Wheelers Park76 m away | 71 m² | 105 m² | +34 m² +48% | 2020 |
|---|
| 29, Terryfield Road598 m away | 73 m² | 107 m² | +34 m² +47% | 2016 |
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| 133, Underwood Road681 m away | 73 m² | 106 m² | +33 m² +45% | 2026 |
|---|
| Flat 7, Vintner House, 4, High Street982 m away | 35 m² | 68 m² | +33 m² +94% | 2023 |
|---|
| 2, Keep Hill Drive976 m away | 117 m² | 150 m² | +33 m² +28% | 2021 |
|---|
| 3, Hillary Close839 m away | 83 m² | 116 m² | +33 m² +40% | 2018 |
|---|
| 14, Pinions Road757 m away | 70 m² | 102 m² | +32 m² +46% | 2025 |
|---|
| 310, Totteridge Road947 m away | 205 m² | 237 m² | +32 m² +16% | 2025 |
|---|
| 54, Mayhew Crescent962 m away | 100 m² | 132 m² | +32 m² +32% | 2020 |
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| 24, Rosebery Avenue746 m away | 24 m² | 56 m² | +32 m² +133% | 2017 |
|---|
| 8, Rosebery Avenue746 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
|---|
| 6, Amersham Road823 m away | 156 m² | 187 m² | +31 m² +20% | 2024 |
|---|
| 1, Firs Close924 m away | 87 m² | 118 m² | +31 m² +36% | 2020 |
|---|
| 3, The Crescent844 m away | 80 m² | 110 m² | +30 m² +38% | 2024 |
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| 8, Quebec Road724 m away | 92 m² | 122 m² | +30 m² +33% | 2023 |
|---|
| 17, Terryfield Road598 m away | 75 m² | 105 m² | +30 m² +40% | 2015 |
|---|
| 7, Peatey Court, Princes Gate461 m away | 32 m² | 61 m² | +29 m² +91% | 2025 |
|---|
| 13, New Drive977 m away | 94 m² | 123 m² | +29 m² +31% | 2024 |
|---|
| 20, St Georges Close337 m away | 113 m² | 142 m² | +29 m² +26% | 2023 |
|---|
| 28, Linchfield433 m away | 45 m² | 74 m² | +29 m² +64% | 2016 |
|---|
| 11, Totteridge Avenue0 m away | 64 m² | 92 m² | +28 m² +44% | 2009 |
|---|
| 19, St Georges Close337 m away | 95 m² | 122 m² | +27 m² +28% | 2018 |
|---|
| 3, Malmers Well Road835 m away | 103 m² | 129 m² | +26 m² +25% | 2026 |
|---|
| 1, Hepplewhite Close742 m away | 84 m² | 110 m² | +26 m² +31% | 2024 |
|---|
| 10, The Crescent844 m away | 108 m² | 132 m² | +24 m² +22% | 2024 |
|---|
| 28, Rosebery Avenue746 m away | 96 m² | 120 m² | +24 m² +25% | 2020 |
|---|
| 26, Colborne Road897 m away | 78 m² | 102 m² | +24 m² +31% | 2016 |
|---|
| 140, Bowerdean Road317 m away | 71 m² | 94 m² | +23 m² +32% | 2026 |
|---|
| 32, Saffron Road451 m away | 82 m² | 105 m² | +23 m² +28% | 2025 |
|---|
| 210, Hatters Lane974 m away | 67 m² | 90 m² | +23 m² +34% | 2021 |
|---|
| 16, Mayhew Crescent885 m away | 88 m² | 111 m² | +23 m² +26% | 2016 |
|---|
| 46, Hatters Lane958 m away | 87 m² | 110 m² | +23 m² +26% | 2016 |
|---|
| 128, Hillary Road815 m away | 83 m² | 105 m² | +22 m² +27% | 2023 |
|---|
| 3, New Drive977 m away | 62 m² | 84 m² | +22 m² +35% | 2020 |
|---|
| 34, Rectory Avenue490 m away | 107 m² | 129 m² | +22 m² +21% | 2019 |
|---|
| 28, Castle Street861 m away | 42 m² | 64 m² | +22 m² +52% | 2019 |
|---|
| 161, Totteridge Road347 m away | 73 m² | 95 m² | +22 m² +30% | 2017 |
|---|
| 25, Nicholas Gardens693 m away | 59 m² | 81 m² | +22 m² +37% | 2016 |
|---|
| 14, Hillary Road488 m away | 89 m² | 111 m² | +22 m² +25% | 2014 |
|---|
| 34, West Drive931 m away | 59 m² | 81 m² | +22 m² +37% | 2013 |
|---|
| 32, Tadros Court475 m away | 128 m² | 150 m² | +22 m² +17% | 2012 |
|---|
| 217, Totteridge Road517 m away | 72 m² | 93 m² | +21 m² +29% | 2026 |
|---|
| 91, Queens Road223 m away | 87 m² | 108 m² | +21 m² +24% | 2025 |
|---|
| 76, Underwood Road681 m away | 73 m² | 94 m² | +21 m² +29% | 2017 |
|---|
| 33, Totteridge Avenue0 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 6, The Crescent844 m away | 92 m² | 112 m² | +20 m² +22% | 2025 |
|---|
| 4, Hepplewhite Close742 m away | 80 m² | 100 m² | +20 m² +25% | 2024 |
|---|
| 12, Maybrook Gardens782 m away | 78 m² | 98 m² | +20 m² +26% | 2022 |
|---|
| 6, Stuart Road406 m away | 77 m² | 97 m² | +20 m² +26% | 2016 |
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| 15, Nicholas Gardens693 m away | 56 m² | 76 m² | +20 m² +36% | 2016 |
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| 9, Elora Road647 m away | 89 m² | 109 m² | +20 m² +22% | 2013 |
|---|
| 142, Hatters Lane953 m away | 86 m² | 106 m² | +20 m² +23% | 2011 |
|---|
| 126, Bowerdean Road128 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
|---|
| 56, Nicholas Gardens689 m away | 61 m² | 80 m² | +19 m² +31% | 2016 |
|---|
| 29, Conegra Road441 m away | 83 m² | 102 m² | +19 m² +23% | 2015 |
|---|
| Flat 7, Hillcrest, Shrubbery Road818 m away | 60 m² | 79 m² | +19 m² +32% | 2014 |
|---|
| 193, London Road482 m away | 72 m² | 90 m² | +18 m² +25% | 2024 |
|---|
| 87, Mayhew Crescent962 m away | 88 m² | 106 m² | +18 m² +20% | 2024 |
|---|
| 27, Cromwell Road790 m away | 96 m² | 114 m² | +18 m² +19% | 2021 |
|---|
| 66, Totteridge Avenue32 m away | 92 m² | 110 m² | +18 m² +20% | 2020 |
|---|
| 74, Peatey Court, Princes Gate572 m away | 32 m² | 50 m² | +18 m² +56% | 2020 |
|---|
| 246, Totteridge Road715 m away | 89 m² | 107 m² | +18 m² +20% | 2018 |
|---|
| Havenfield Court, Totteridge Road625 m away | 49 m² | 67 m² | +18 m² +37% | 2010 |
|---|
| 7, Kernmantle House, The Roperies916 m away | 75 m² | 92 m² | +17 m² +23% | 2019 |
|---|
| 21, Hillview Road928 m away | 72 m² | 89 m² | +17 m² +24% | 2016 |
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| 23, Underwood Road427 m away | 100 m² | 117 m² | +17 m² +17% | 2014 |
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| 32, Rectory Avenue490 m away | 87 m² | 104 m² | +17 m² +20% | 2013 |
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| 4, Rectory Avenue490 m away | 36 m² | 53 m² | +17 m² +47% | 2009 |
|---|
| 65 - 69, London Road317 m away | 42 m² | 58 m² | +16 m² +38% | 2026 |
|---|
| Flat 1, St. Bernards Court, Harlow Road391 m away | 51 m² | 67 m² | +16 m² +31% | 2024 |
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| 7, Alexandra Road880 m away | 74 m² | 90 m² | +16 m² +22% | 2024 |
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| 31, Rowan Avenue519 m away | 74 m² | 90 m² | +16 m² +22% | 2023 |
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| 31, Hillview Road928 m away | 80 m² | 96 m² | +16 m² +20% | 2022 |
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| Flat 30, Priestley Court, Princes Gate552 m away | 52 m² | 68 m² | +16 m² +31% | 2021 |
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| 21, Denewood, Totteridge Road878 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
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| 10, Gordon Road148 m away | 84 m² | 100 m² | +16 m² +19% | 2019 |
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| 21, Elora Road647 m away | 79 m² | 95 m² | +16 m² +20% | 2019 |
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| 5, Edgecote House, Amersham Hill771 m away | 50 m² | 66 m² | +16 m² +32% | 2014 |
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| 100, Totteridge Road228 m away | 76 m² | 91 m² | +15 m² +20% | 2024 |
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| 32, Tenzing Drive833 m away | 90 m² | 105 m² | +15 m² +17% | 2021 |
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| 68, Linchfield567 m away | 44 m² | 59 m² | +15 m² +34% | 2020 |
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| 8, Healey Avenue260 m away | 73 m² | 88 m² | +15 m² +21% | 2015 |
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