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 NG4 1SB
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 |
|---|---|---|---|---|
| 31, Elmhurst Avenue992 m away | 124 m² | 257 m² | +133 m² +107% | 2024 |
| 78, Second Avenue580 m away | 81 m² | 173 m² | +92 m² +114% | 2026 |
| 4, Darley Avenue667 m away | 69 m² | 160 m² | +91 m² +132% | 2014 |
| 3, Fourth Avenue611 m away | 82 m² | 171 m² | +89 m² +109% | 2024 |
| 10, Mount Pleasant780 m away | 166 m² | 252 m² | +86 m² +52% | 2026 |
| 37, Elmhurst Avenue992 m away | 81 m² | 159 m² | +78 m² +96% | 2018 |
| 243, Cavendish Road210 m away | 88 m² | 164 m² | +76 m² +86% | 2020 |
| 66, Ernest Road805 m away | 92 m² | 167 m² | +75 m² +82% | 2025 |
| 37, Besecar Avenue887 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.
| 86 m² |
| 158 m² |
| +72 m² +84% |
| 2026 |
| 34, Third Avenue767 m away | 88 m² | 159 m² | +71 m² +81% | 2023 |
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| 61, Belper Avenue390 m away | 76 m² | 144 m² | +68 m² +89% | 2024 |
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| 14, Albert Avenue958 m away | 82 m² | 146 m² | +64 m² +78% | 2025 |
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| 4, Adbolton Avenue886 m away | 65 m² | 129 m² | +64 m² +98% | 2018 |
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| 35, Shorwell Road845 m away | 93 m² | 156 m² | +63 m² +68% | 2016 |
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| 23, Buxton Avenue458 m away | 122 m² | 184 m² | +62 m² +51% | 2020 |
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| 28, Wheatley Drive831 m away | 76 m² | 136 m² | +60 m² +79% | 2015 |
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| 1, Ash Court524 m away | 57 m² | 112 m² | +55 m² +96% | 2021 |
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| 253, Westdale Lane858 m away | 71 m² | 125 m² | +54 m² +76% | 2023 |
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| 235, Westdale Lane858 m away | 88 m² | 140 m² | +52 m² +59% | 2023 |
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| 50, Third Avenue767 m away | 125 m² | 175 m² | +50 m² +40% | 2024 |
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| 93, Highfield Drive528 m away | 79 m² | 128 m² | +49 m² +62% | 2020 |
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| 29, Besecar Avenue887 m away | 86 m² | 135 m² | +49 m² +57% | 2020 |
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| 2, Mayfield Road882 m away | 86 m² | 133 m² | +47 m² +55% | 2025 |
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| 20, Mayfield Road882 m away | 71 m² | 118 m² | +47 m² +66% | 2024 |
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| 12, Castleton Avenue559 m away | 122 m² | 168 m² | +46 m² +38% | 2014 |
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| 36, Elmhurst Avenue1000 m away | 73 m² | 117 m² | +44 m² +60% | 2022 |
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| 61, Elmhurst Avenue992 m away | 103 m² | 147 m² | +44 m² +43% | 2014 |
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| 58, Mayfield Road882 m away | 73 m² | 116 m² | +43 m² +59% | 2025 |
|---|
| 36, Fraser Road757 m away | 68 m² | 111 m² | +43 m² +63% | 2023 |
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| 57, Redland Grove852 m away | 87 m² | 129 m² | +42 m² +48% | 2020 |
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| 1, Greenhill Rise882 m away | 50 m² | 91 m² | +41 m² +82% | 2024 |
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| 15, Radcliffe Gardens0 m away | 79 m² | 120 m² | +41 m² +52% | 2015 |
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| 13, Worth Street524 m away | 40 m² | 81 m² | +41 m² +102% | 2014 |
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| 19, Westdale Crescent799 m away | 85 m² | 126 m² | +41 m² +48% | 2011 |
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| 115, Carlton Hill531 m away | 65 m² | 105 m² | +40 m² +62% | 2013 |
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| 31, Bentinck Road792 m away | 88 m² | 127 m² | +39 m² +44% | 2014 |
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| 10, Carnarvon Grove180 m away | 84 m² | 121 m² | +37 m² +44% | 2021 |
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| 44, St Michaels Avenue957 m away | 72 m² | 109 m² | +37 m² +51% | 2014 |
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| 58, Ernest Road902 m away | 97 m² | 133 m² | +36 m² +37% | 2026 |
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| 61, Redland Grove852 m away | 89 m² | 125 m² | +36 m² +40% | 2015 |
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| 5, Southdale Drive871 m away | 54 m² | 90 m² | +36 m² +67% | 2015 |
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| 135a, Cavendish Road424 m away | 101 m² | 136 m² | +35 m² +35% | 2023 |
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| 361, Foxhill Road981 m away | 81 m² | 116 m² | +35 m² +43% | 2023 |
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| 4, Elmhurst Avenue1000 m away | 91 m² | 126 m² | +35 m² +38% | 2016 |
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| 2a, Buntings Lane597 m away | 139 m² | 174 m² | +35 m² +25% | 2015 |
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| 20, Beck Street463 m away | 40 m² | 74 m² | +34 m² +85% | 2024 |
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| 7, Bakewell Avenue623 m away | 88 m² | 120 m² | +32 m² +36% | 2016 |
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| 69, Highfield Drive643 m away | 114 m² | 146 m² | +32 m² +28% | 2014 |
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| 63, Highfield Drive769 m away | 97 m² | 128 m² | +31 m² +32% | 2019 |
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| 104a, First Avenue311 m away | 58 m² | 89 m² | +31 m² +53% | 2015 |
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| 12, Pitch Close128 m away | 119 m² | 150 m² | +31 m² +26% | 2011 |
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| 41, Elmhurst Avenue992 m away | 104 m² | 134 m² | +30 m² +29% | 2025 |
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| 31, Burlington Road912 m away | 81 m² | 111 m² | +30 m² +37% | 2024 |
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| 77, Highfield Drive643 m away | 88 m² | 118 m² | +30 m² +34% | 2018 |
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| St Davids, Greenfield Grove636 m away | 92 m² | 122 m² | +30 m² +33% | 2017 |
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| 299, Foxhill Road742 m away | 89 m² | 118 m² | +29 m² +33% | 2025 |
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| Flat 11, The Windings, Chesterfield Street494 m away | 38 m² | 67 m² | +29 m² +76% | 2024 |
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| 28, Park Avenue956 m away | 65 m² | 94 m² | +29 m² +45% | 2023 |
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| 28, Forester Grove258 m away | 89 m² | 118 m² | +29 m² +33% | 2018 |
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| 5, Ivy Grove372 m away | 62 m² | 91 m² | +29 m² +47% | 2017 |
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| 32, Cliff Road897 m away | 86 m² | 114 m² | +28 m² +33% | 2023 |
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| 16, Huckerbys Field437 m away | 34 m² | 62 m² | +28 m² +82% | 2019 |
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| 20, Coningswath Road544 m away | 69 m² | 97 m² | +28 m² +41% | 2015 |
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| 17, Shipley Rise896 m away | 59 m² | 85 m² | +26 m² +44% | 2025 |
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| 16, Bakewell Avenue623 m away | 112 m² | 138 m² | +26 m² +23% | 2020 |
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| 7, Valley Court877 m away | 22 m² | 47 m² | +25 m² +114% | 2021 |
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| 22, Newcastle Avenue953 m away | 102 m² | 127 m² | +25 m² +25% | 2013 |
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| 389, Cavendish Road914 m away | 70 m² | 94 m² | +24 m² +34% | 2023 |
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| 22, Mayfield Road882 m away | 89 m² | 113 m² | +24 m² +27% | 2019 |
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| 28, Ernest Road902 m away | 89 m² | 113 m² | +24 m² +27% | 2017 |
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| 12, Fourth Avenue611 m away | 113 m² | 137 m² | +24 m² +21% | 2015 |
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| 384, Foxhill Road970 m away | 76 m² | 99 m² | +23 m² +30% | 2022 |
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| 10, Mayfield Road882 m away | 80 m² | 103 m² | +23 m² +29% | 2021 |
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| 218, Westdale Lane909 m away | 84 m² | 107 m² | +23 m² +27% | 2014 |
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| 71, Ernest Road855 m away | 97 m² | 119 m² | +22 m² +23% | 2026 |
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| 12, Ian Grove915 m away | 65 m² | 87 m² | +22 m² +34% | 2026 |
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| 7, Cliff Road934 m away | 81 m² | 103 m² | +22 m² +27% | 2024 |
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| 278, Foxhill Road669 m away | 84 m² | 106 m² | +22 m² +26% | 2020 |
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| 165, Carlton Hill519 m away | 38 m² | 60 m² | +22 m² +58% | 2019 |
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| 30, Mayfield Road882 m away | 76 m² | 98 m² | +22 m² +29% | 2016 |
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| 33, St Michaels Avenue957 m away | 105 m² | 127 m² | +22 m² +21% | 2013 |
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| 51, Third Avenue767 m away | 120 m² | 141 m² | +21 m² +18% | 2025 |
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| 14, Fraser Crescent965 m away | 93 m² | 114 m² | +21 m² +23% | 2025 |
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| 6, Fourth Avenue611 m away | 102 m² | 123 m² | +21 m² +21% | 2023 |
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| 22, Carnarvon Grove180 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
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| 209a, Westdale Lane858 m away | 99 m² | 120 m² | +21 m² +21% | 2014 |
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| 107, Valley Road765 m away | 75 m² | 96 m² | +21 m² +28% | 2013 |
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| 38, Standhill Road974 m away | 61 m² | 81 m² | +20 m² +33% | 2021 |
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| 8, Buntings Lane597 m away | 63 m² | 83 m² | +20 m² +32% | 2020 |
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| Dbh House, Carlton Square952 m away | 57 m² | 77 m² | +20 m² +35% | 2019 |
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| 9, Worth Street524 m away | 81 m² | 100 m² | +19 m² +23% | 2026 |
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| 236, Carlton Hill574 m away | 125 m² | 144 m² | +19 m² +15% | 2025 |
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| 139, Prospect Road683 m away | 52 m² | 70 m² | +18 m² +35% | 2022 |
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| 256, Cavendish Road239 m away | 52 m² | 70 m² | +18 m² +35% | 2021 |
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| 21, Hartington Avenue617 m away | 81 m² | 99 m² | +18 m² +22% | 2015 |
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| 20, Hastings Street506 m away | 72 m² | 89 m² | +17 m² +24% | 2026 |
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| 17, Mayfield Road882 m away | 79 m² | 96 m² | +17 m² +22% | 2025 |
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| 20, Roslyn Avenue861 m away | 77 m² | 94 m² | +17 m² +22% | 2023 |
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| 56, Buxton Avenue456 m away | 73 m² | 90 m² | +17 m² +23% | 2020 |
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| 6, Albert Avenue958 m away | 66 m² | 83 m² | +17 m² +26% | 2018 |
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| 11, Curzon Avenue914 m away | 96 m² | 113 m² | +17 m² +18% | 2016 |
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| 4, Newcastle Avenue953 m away | 93 m² | 110 m² | +17 m² +18% | 2013 |
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| 9, Westdale Crescent799 m away | 84 m² | 100 m² | +16 m² +19% | 2024 |
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| 20, Ivy Grove372 m away | 57 m² | 73 m² | +16 m² +28% | 2020 |
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| 4, Storey Avenue997 m away | 67 m² | 83 m² | +16 m² +24% | 2020 |
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| 5, Bakewell Avenue623 m away | 86 m² | 102 m² | +16 m² +19% | 2016 |
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| 348, Foxhill Road669 m away | 70 m² | 86 m² | +16 m² +23% | 2016 |
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| 40, Southdale Road731 m away | 73 m² | 89 m² | +16 m² +22% | 2014 |
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| 36, Chatsworth Avenue872 m away | 63 m² | 78 m² | +15 m² +24% | 2026 |
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| 19, Arthur Crescent604 m away | 84 m² | 99 m² | +15 m² +18% | 2025 |
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| 25, Ernest Road902 m away | 70 m² | 85 m² | +15 m² +21% | 2024 |
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| 75, Campbell Drive242 m away | 82 m² | 97 m² | +15 m² +18% | 2023 |
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| 2, Lilac Avenue357 m away | 94 m² | 109 m² | +15 m² +16% | 2023 |
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| 17, Arthur Crescent604 m away | 77 m² | 92 m² | +15 m² +19% | 2022 |
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| 105, Foxhill Road243 m away | 86 m² | 101 m² | +15 m² +17% | 2021 |
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| 9, Castleton Avenue559 m away | 90 m² | 105 m² | +15 m² +17% | 2021 |
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| 25, Mayfield Road882 m away | 80 m² | 95 m² | +15 m² +19% | 2018 |
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| 2, St Johns Court928 m away | 38 m² | 53 m² | +15 m² +39% | 2011 |
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