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 NR3 3DT
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 |
|---|---|---|---|---|
| 87, Wodehouse Street981 m away | 69 m² | 159 m² | +90 m² +130% | 2011 |
| 32, St Faiths Lane886 m away | 46 m² | 107 m² | +61 m² +133% | 2011 |
| 3, Marchaunts Place, 41, All Saints Green948 m away | 59 m² | 117 m² | +58 m² +98% | 2022 |
| 157b, Magdalen Street769 m away | 100 m² | 157 m² | +57 m² +57% | 2008 |
| 4, Buxton Road879 m away | 107 m² | 161 m² | +54 m² +50% | 2023 |
| 23, Maidstone Road757 m away | 46 m² | 99 m² | +53 m² +115% | 2010 |
| 31, St Augustines Street604 m away | 57 m² | 109 m² | +52 m² +91% | 2024 |
| 2, Quayside519 m away | 72 m² | 121 m² | +49 m² +68% | 2019 |
| Flat 2, Dixons Court, 52, Bethel Street |
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.
| 34 m² |
| 82 m² |
| +48 m² +141% |
| 2026 |
| 7, Bakers Road699 m away | 70 m² | 117 m² | +47 m² +67% | 2014 |
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| 67, Barrack Street802 m away | 35 m² | 77 m² | +42 m² +120% | 2025 |
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| Flat 16, De Vere House, 90, St Faiths Lane747 m away | 52 m² | 94 m² | +42 m² +81% | 2024 |
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| 33, Dereham Road527 m away | 121 m² | 162 m² | +41 m² +34% | 2026 |
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| 69, Barrack Street802 m away | 38 m² | 77 m² | +39 m² +103% | 2025 |
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| 76a, Upper St Giles Street487 m away | 148 m² | 187 m² | +39 m² +26% | 2024 |
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| 118, Pottergate392 m away | 68 m² | 105 m² | +37 m² +54% | 2023 |
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| 24, Aylsham Road797 m away | 94 m² | 130 m² | +36 m² +38% | 2023 |
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| Flat 2, 33 - 35, Surrey Street914 m away | 76 m² | 112 m² | +36 m² +47% | 2023 |
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| 15a, Wensum Street454 m away | 36 m² | 72 m² | +36 m² +100% | 2021 |
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| 88, Wodehouse Street961 m away | 81 m² | 117 m² | +36 m² +44% | 2021 |
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| 14, Cathedral Street845 m away | 107 m² | 143 m² | +36 m² +34% | 2012 |
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| 2, Rose Yard604 m away | 32 m² | 68 m² | +36 m² +113% | 2010 |
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| 15, Grosvenor Road936 m away | 131 m² | 166 m² | +35 m² +27% | 2020 |
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| Flat C, 17, Muspole Street253 m away | 136 m² | 171 m² | +35 m² +26% | 2019 |
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| 7, Clarendon Road870 m away | 143 m² | 178 m² | +35 m² +24% | 2014 |
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| Flat 47, Morgan House, Rouen Road916 m away | 106 m² | 140 m² | +34 m² +32% | 2020 |
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| 11, St Edmunds Wharf612 m away | 105 m² | 139 m² | +34 m² +32% | 2018 |
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| 16, Clarendon Road857 m away | 149 m² | 182 m² | +33 m² +22% | 2020 |
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| Flat 4, 29 - 31, Surrey Street914 m away | 63 m² | 96 m² | +33 m² +52% | 2018 |
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| 1, Red Poll Terrace372 m away | 91 m² | 124 m² | +33 m² +36% | 2010 |
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| 40, Neville Street906 m away | 105 m² | 137 m² | +32 m² +30% | 2017 |
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| 8, St Martin At Palace Plain640 m away | 57 m² | 88 m² | +31 m² +54% | 2024 |
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| 60, St Faiths Lane886 m away | 29 m² | 60 m² | +31 m² +107% | 2017 |
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| 22, Magpie Road738 m away | 52 m² | 83 m² | +31 m² +60% | 2011 |
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| 5, Stafford Street929 m away | 50 m² | 80 m² | +30 m² +60% | 2025 |
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| 16, Friars Quay321 m away | 120 m² | 150 m² | +30 m² +25% | 2023 |
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| 10, Earlham Road672 m away | 110 m² | 140 m² | +30 m² +27% | 2022 |
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| Flat 48, Morgan House, Rouen Road916 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
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| 21b, Wensum Street454 m away | 39 m² | 68 m² | +29 m² +74% | 2022 |
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| 2, Thoroughfare Yard479 m away | 76 m² | 104 m² | +28 m² +37% | 2023 |
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| 7, The Old Barley Market385 m away | 93 m² | 120 m² | +27 m² +29% | 2024 |
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| Flat 20, De Vere House, 90, St Faiths Lane747 m away | 50 m² | 77 m² | +27 m² +54% | 2024 |
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| 1c, New Mills Yard218 m away | 110 m² | 137 m² | +27 m² +25% | 2023 |
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| 3, Little Bull Close686 m away | 31 m² | 58 m² | +27 m² +87% | 2009 |
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| 6, Amelia House, Colegate190 m away | 132 m² | 158 m² | +26 m² +20% | 2021 |
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| 70, Silver Street911 m away | 52 m² | 78 m² | +26 m² +50% | 2021 |
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| 4a, Upper Goat Lane278 m away | 93 m² | 119 m² | +26 m² +28% | 2018 |
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| 4b, Upper Goat Lane278 m away | 93 m² | 119 m² | +26 m² +28% | 2018 |
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| 1, Old Millers Wharf529 m away | 91 m² | 117 m² | +26 m² +29% | 2012 |
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| 16, St Edmunds Wharf612 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 1, Little Bull Close686 m away | 31 m² | 57 m² | +26 m² +84% | 2009 |
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| 1, Wodehouse Street981 m away | 81 m² | 106 m² | +25 m² +31% | 2024 |
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| 62, Wingfield Road731 m away | 66 m² | 90 m² | +24 m² +36% | 2025 |
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| Flat 9, The Leather House, 76 - 78, St Georges Street224 m away | 135 m² | 159 m² | +24 m² +18% | 2022 |
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| 10c, Mill Hill Road895 m away | 104 m² | 128 m² | +24 m² +23% | 2021 |
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| Flat 2, 27, Heigham Street384 m away | 40 m² | 64 m² | +24 m² +60% | 2012 |
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| 1, Gladstone Street974 m away | 22 m² | 46 m² | +24 m² +109% | 2011 |
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| 1, St Martins Road834 m away | 110 m² | 133 m² | +23 m² +21% | 2021 |
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| 7, St Edmunds Wharf612 m away | 107 m² | 130 m² | +23 m² +21% | 2020 |
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| 1, Willets Court272 m away | 132 m² | 155 m² | +23 m² +17% | 2018 |
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| 27, Buxton Road879 m away | 101 m² | 124 m² | +23 m² +23% | 2012 |
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| 100, Dereham Road762 m away | 90 m² | 112 m² | +22 m² +24% | 2024 |
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| 3, Maidstone Road757 m away | 34 m² | 56 m² | +22 m² +65% | 2022 |
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| 72, Heath Road872 m away | 24 m² | 46 m² | +22 m² +92% | 2012 |
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| Zipfels Court, Magdalen Street681 m away | 67 m² | 89 m² | +22 m² +33% | 2010 |
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| 11, Unthank Road746 m away | 40 m² | 62 m² | +22 m² +55% | 2009 |
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| 40, Bull Close748 m away | 28 m² | 50 m² | +22 m² +79% | 2008 |
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| 4, Warminger Court, Ber Street948 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
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| Octagon Cottage, 19a, Colegate335 m away | 80 m² | 101 m² | +21 m² +26% | 2024 |
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| St. Cuthberts House, 7, Upper King Street595 m away | 65 m² | 86 m² | +21 m² +32% | 2017 |
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| 6, Peel Mews103 m away | 81 m² | 101 m² | +20 m² +25% | 2024 |
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| 1, Queen Street524 m away | 57 m² | 77 m² | +20 m² +35% | 2024 |
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| 4, Heigham Grove799 m away | 117 m² | 137 m² | +20 m² +17% | 2023 |
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| 18, Belvoir Street916 m away | 76 m² | 96 m² | +20 m² +26% | 2021 |
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| Swan Yard, 72a, King Street779 m away | 62 m² | 82 m² | +20 m² +32% | 2018 |
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| 44, Bull Close Road822 m away | 52 m² | 72 m² | +20 m² +38% | 2016 |
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| 53, Magpie Road738 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 33, Duke Street171 m away | 68 m² | 87 m² | +19 m² +28% | 2024 |
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| 40, Suffolk Square984 m away | 50 m² | 69 m² | +19 m² +38% | 2024 |
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| 23, Fishergate531 m away | 90 m² | 109 m² | +19 m² +21% | 2023 |
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| 149, Dereham Road905 m away | 39 m² | 58 m² | +19 m² +49% | 2008 |
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| 11, Portway Place836 m away | 64 m² | 82 m² | +18 m² +28% | 2025 |
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| 52, Vauxhall Street715 m away | 86 m² | 104 m² | +18 m² +21% | 2022 |
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| 8, Earlham Road672 m away | 114 m² | 132 m² | +18 m² +16% | 2019 |
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| 11, Napier Place699 m away | 79 m² | 97 m² | +18 m² +23% | 2017 |
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| 95d, Upper St Giles Street459 m away | 66 m² | 83 m² | +17 m² +26% | 2026 |
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| 102b, Oak Street465 m away | 69 m² | 86 m² | +17 m² +25% | 2025 |
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| 3, St Lawrence Lane196 m away | 50 m² | 67 m² | +17 m² +34% | 2024 |
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| 10, St Edmunds Wharf612 m away | 106 m² | 123 m² | +17 m² +16% | 2023 |
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| 7, Belvoir Street916 m away | 44 m² | 61 m² | +17 m² +39% | 2022 |
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| 17, Rosemary Lane152 m away | 66 m² | 83 m² | +17 m² +26% | 2021 |
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| 45, Guernsey Road909 m away | 58 m² | 75 m² | +17 m² +29% | 2020 |
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| Flat 2, Ivory House, All Saints Green994 m away | 100 m² | 117 m² | +17 m² +17% | 2019 |
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| 53, Maidstone Road757 m away | 65 m² | 82 m² | +17 m² +26% | 2018 |
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| 151b, Magdalen Street769 m away | 34 m² | 51 m² | +17 m² +50% | 2014 |
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| 5, Silver Road957 m away | 88 m² | 105 m² | +17 m² +19% | 2014 |
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| Flat 5, Hardwick House, King Street650 m away | 30 m² | 47 m² | +17 m² +57% | 2011 |
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| 63a, Pottergate237 m away | 38 m² | 55 m² | +17 m² +45% | 2009 |
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| Flat 1, Betts Court, Cross Lane292 m away | 51 m² | 67 m² | +16 m² +31% | 2026 |
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| 1a, Magdalen Close772 m away | 38 m² | 54 m² | +16 m² +42% | 2026 |
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| 19a, St Stephens Square947 m away | 57 m² | 73 m² | +16 m² +28% | 2023 |
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| 1, Anchor Quay78 m away | 28 m² | 44 m² | +16 m² +57% | 2021 |
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| St Peters House, 23, Cattle Market Street770 m away | 50 m² | 66 m² | +16 m² +32% | 2019 |
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| 26, Raleigh Court, Rouen Road808 m away | 31 m² | 47 m² | +16 m² +52% | 2013 |
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| 18, Wessex Street950 m away | 64 m² | 80 m² | +16 m² +25% | 2012 |
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| 35, Greyfriars Road735 m away | 62 m² | 78 m² | +16 m² +26% | 2009 |
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| 39a, Magdalen Street484 m away | 38 m² | 53 m² | +15 m² +39% | 2023 |
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| 83, Patteson Road947 m away | 79 m² | 94 m² | +15 m² +19% | 2022 |
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| 31, Mandells Court440 m away | 29 m² | 44 m² | +15 m² +52% | 2021 |
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| Park House, 31, Cattle Market Street713 m away | 76 m² | 91 m² | +15 m² +20% | 2019 |
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| 27, Heigham Road887 m away | 84 m² | 99 m² | +15 m² +18% | 2016 |
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| 152, Bull Close Road837 m away | 73 m² | 88 m² | +15 m² +21% | 2015 |
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| 29, Chapel Field East666 m away | 77 m² | 92 m² | +15 m² +19% | 2013 |
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| 101, Magpie Road786 m away | 53 m² | 68 m² | +15 m² +28% | 2009 |
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