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 NR1 1EP
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 |
|---|---|---|---|---|
| Graphic House, 120, Thorpe Road345 m away | 600 m² | 1,077 m² | +477 m² +80% | 2021 |
| 32, Chalk Hill Road213 m away | 99 m² | 226 m² | +127 m² +128% | 2024 |
| 1, Old Mustard Mill, Paper Mill Yard713 m away | 96 m² | 197 m² | +101 m² +105% | 2021 |
| 67, Allison Bank, Geoffrey Watling Way662 m away | 137 m² | 232 m² | +95 m² +69% | 2024 |
| 22, Robinson Bank, Geoffrey Watling Way714 m away | 69 m² | 163 m² | +94 m² +136% | 2026 |
| 14, Montcalm Road750 m away | 52 m² | 129 m² | +77 m² +148% | 2015 |
| The White House, Foulgers Opening785 m away | 153 m² | 223 m² | +70 m² +46% | 2017 |
| 32, St Faiths Lane470 m away | 46 m² | 107 m² | +61 m² +133% | 2011 |
| 3, Marchaunts Place, 41, All Saints Green |
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.
| 59 m² |
| 117 m² |
| +58 m² +98% |
| 2022 |
| Ferryview House, 29, Riverside Road416 m away | 56 m² | 111 m² | +55 m² +98% | 2008 |
|---|
| Apartment 501, Albion Mill, King Street622 m away | 108 m² | 161 m² | +53 m² +49% | 2020 |
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| 23, Maidstone Road584 m away | 46 m² | 99 m² | +53 m² +115% | 2010 |
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| 2, Quayside967 m away | 72 m² | 121 m² | +49 m² +68% | 2019 |
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| 14, Cotman Road541 m away | 88 m² | 136 m² | +48 m² +55% | 2018 |
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| 62, Ella Road176 m away | 87 m² | 135 m² | +48 m² +55% | 2017 |
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| 16, Britannia Road973 m away | 101 m² | 145 m² | +44 m² +44% | 2023 |
|---|
| 27, Quebec Road494 m away | 93 m² | 137 m² | +44 m² +47% | 2015 |
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| 210b, Thorpe Road898 m away | 49 m² | 92 m² | +43 m² +88% | 2022 |
|---|
| Flat 16, De Vere House, 90, St Faiths Lane600 m away | 52 m² | 94 m² | +42 m² +81% | 2024 |
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| 44, Cotman Road694 m away | 94 m² | 135 m² | +41 m² +44% | 2013 |
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| 10, Abbey Court913 m away | 44 m² | 83 m² | +39 m² +89% | 2024 |
|---|
| 25, Quebec Road494 m away | 96 m² | 135 m² | +39 m² +41% | 2015 |
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| 15, Riverside Road264 m away | 48 m² | 86 m² | +38 m² +79% | 2011 |
|---|
| 15a, Wensum Street982 m away | 36 m² | 72 m² | +36 m² +100% | 2021 |
|---|
| 14, Cathedral Street504 m away | 107 m² | 143 m² | +36 m² +34% | 2012 |
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| Flat 9, Ber House, 158, Ber Street798 m away | 45 m² | 81 m² | +36 m² +80% | 2012 |
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| 30, Florence Road329 m away | 115 m² | 150 m² | +35 m² +30% | 2024 |
|---|
| 69, St Leonards Road471 m away | 41 m² | 76 m² | +35 m² +85% | 2018 |
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| 176, Wellesley Avenue South932 m away | 161 m² | 195 m² | +34 m² +21% | 2024 |
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| Flat 47, Morgan House, Rouen Road637 m away | 106 m² | 140 m² | +34 m² +32% | 2020 |
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| 21, Primrose Road445 m away | 55 m² | 89 m² | +34 m² +62% | 2010 |
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| 27, Blue Mill, Paper Mill Yard754 m away | 34 m² | 67 m² | +33 m² +97% | 2022 |
|---|
| 1, St Leonards Road258 m away | 34 m² | 67 m² | +33 m² +97% | 2020 |
|---|
| 8, St Martin At Palace Plain933 m away | 57 m² | 88 m² | +31 m² +54% | 2024 |
|---|
| 60, St Faiths Lane470 m away | 29 m² | 60 m² | +31 m² +107% | 2017 |
|---|
| 1, Ella Road213 m away | 86 m² | 117 m² | +31 m² +36% | 2012 |
|---|
| 92, Thorpe Road162 m away | 41 m² | 71 m² | +30 m² +73% | 2014 |
|---|
| 21, Robinson Bank, Geoffrey Watling Way714 m away | 69 m² | 98 m² | +29 m² +42% | 2025 |
|---|
| Flat 48, Morgan House, Rouen Road637 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
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| 21b, Wensum Street982 m away | 39 m² | 68 m² | +29 m² +74% | 2022 |
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| 36, East Bank, Wherry Road465 m away | 38 m² | 67 m² | +29 m² +76% | 2019 |
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| 27, Cremorne Lane943 m away | 74 m² | 102 m² | +28 m² +38% | 2021 |
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| 36, Salisbury Road872 m away | 48 m² | 76 m² | +28 m² +58% | 2020 |
|---|
| 23, Robinson Bank, Geoffrey Watling Way714 m away | 67 m² | 94 m² | +27 m² +40% | 2025 |
|---|
| Flat 20, De Vere House, 90, St Faiths Lane600 m away | 50 m² | 77 m² | +27 m² +54% | 2024 |
|---|
| 106, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 75 m² | +27 m² +56% | 2020 |
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| 607, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 75 m² | +27 m² +56% | 2020 |
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| 407, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 75 m² | +27 m² +56% | 2020 |
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| 507, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 75 m² | +27 m² +56% | 2020 |
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| 707, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 75 m² | +27 m² +56% | 2020 |
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| 207, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 75 m² | +27 m² +56% | 2020 |
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| 307, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 75 m² | +27 m² +56% | 2020 |
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| 19, Hill House Road328 m away | 102 m² | 128 m² | +26 m² +25% | 2018 |
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| 35, Hardy Road535 m away | 50 m² | 75 m² | +25 m² +50% | 2024 |
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| 120, King Street544 m away | 122 m² | 147 m² | +25 m² +20% | 2016 |
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| 42, Bishop Bridge Road779 m away | 69 m² | 93 m² | +24 m² +35% | 2021 |
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| 33, Clarence Road427 m away | 32 m² | 56 m² | +24 m² +75% | 2020 |
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| 34, Blue Mill, Paper Mill Yard754 m away | 36 m² | 60 m² | +24 m² +67% | 2020 |
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| 6, Finkelgate865 m away | 62 m² | 86 m² | +24 m² +39% | 2020 |
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| 18, Cintra Road751 m away | 88 m² | 112 m² | +24 m² +27% | 2014 |
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| 236, King Street622 m away | 69 m² | 92 m² | +23 m² +33% | 2024 |
|---|
| 11, Kerrison Road629 m away | 84 m² | 107 m² | +23 m² +27% | 2021 |
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| 24, Salisbury Road872 m away | 73 m² | 96 m² | +23 m² +32% | 2020 |
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| 9, Old Library Mews86 m away | 96 m² | 119 m² | +23 m² +24% | 2015 |
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| 19, Plumstead Road939 m away | 108 m² | 130 m² | +22 m² +20% | 2024 |
|---|
| 3, Maidstone Road584 m away | 34 m² | 56 m² | +22 m² +65% | 2022 |
|---|
| 20, Ashman Bank, Geoffrey Watling Way620 m away | 56 m² | 78 m² | +22 m² +39% | 2022 |
|---|
| 15, Scott Road696 m away | 44 m² | 66 m² | +22 m² +50% | 2021 |
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| 10, Lower Clarence Road264 m away | 34 m² | 56 m² | +22 m² +65% | 2010 |
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| 4, Warminger Court, Ber Street785 m away | 59 m² | 80 m² | +21 m² +36% | 2025 |
|---|
| 15, Quebec Road427 m away | 66 m² | 87 m² | +21 m² +32% | 2023 |
|---|
| 1, City Heights, Telegraph Lane East977 m away | 46 m² | 67 m² | +21 m² +46% | 2023 |
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| 10, Drays Yard543 m away | 77 m² | 98 m² | +21 m² +27% | 2020 |
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| 406, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 69 m² | +21 m² +44% | 2020 |
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| 306, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 69 m² | +21 m² +44% | 2020 |
|---|
| 206, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 69 m² | +21 m² +44% | 2020 |
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| 606, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 69 m² | +21 m² +44% | 2020 |
|---|
| 706, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 69 m² | +21 m² +44% | 2020 |
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| 506, Richard Hawthorn House, Geoffrey Watling Way773 m away | 48 m² | 69 m² | +21 m² +44% | 2020 |
|---|
| 17, Cedar Road456 m away | 100 m² | 121 m² | +21 m² +21% | 2019 |
|---|
| 71, Carrow Road547 m away | 91 m² | 112 m² | +21 m² +23% | 2018 |
|---|
| St. Cuthberts House, 7, Upper King Street744 m away | 65 m² | 86 m² | +21 m² +32% | 2017 |
|---|
| 1, Queen Street816 m away | 57 m² | 77 m² | +20 m² +35% | 2024 |
|---|
| 2, Ella Road176 m away | 109 m² | 129 m² | +20 m² +18% | 2020 |
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| Swan Yard, 72a, King Street636 m away | 62 m² | 82 m² | +20 m² +32% | 2018 |
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| 2, Quebec Road494 m away | 125 m² | 145 m² | +20 m² +16% | 2016 |
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| The Cumberland 210, Thorpe Road898 m away | 41 m² | 60 m² | +19 m² +46% | 2023 |
|---|
| 45, Great Eastern Court101 m away | 41 m² | 60 m² | +19 m² +46% | 2021 |
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| 33, City Road902 m away | 68 m² | 87 m² | +19 m² +28% | 2019 |
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| Tibbenham House, 112 - 114, Thorpe Road345 m away | 49 m² | 68 m² | +19 m² +39% | 2016 |
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| 52, Bishopgate628 m away | 73 m² | 92 m² | +19 m² +26% | 2012 |
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| The Cumberland 214a, Thorpe Road898 m away | 41 m² | 59 m² | +18 m² +44% | 2022 |
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| 199, Queens Road954 m away | 40 m² | 58 m² | +18 m² +45% | 2022 |
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| 21, Priory View, Paper Mill Yard730 m away | 62 m² | 80 m² | +18 m² +29% | 2021 |
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| Apartment 301, Albion Mill, King Street622 m away | 60 m² | 78 m² | +18 m² +30% | 2020 |
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| 27, Allison Bank, Geoffrey Watling Way662 m away | 34 m² | 52 m² | +18 m² +53% | 2018 |
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| 53, Maidstone Road584 m away | 65 m² | 82 m² | +17 m² +26% | 2018 |
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| Flat 5, Hardwick House, King Street703 m away | 30 m² | 47 m² | +17 m² +57% | 2011 |
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| 95, Ketts Hill846 m away | 70 m² | 86 m² | +16 m² +23% | 2023 |
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| 4, Drays Yard543 m away | 77 m² | 93 m² | +16 m² +21% | 2022 |
|---|
| 25, Great Eastern Court101 m away | 68 m² | 84 m² | +16 m² +24% | 2020 |
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| St Peters House, 23, Cattle Market Street724 m away | 50 m² | 66 m² | +16 m² +32% | 2019 |
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| 53, Ketts Hill839 m away | 103 m² | 119 m² | +16 m² +16% | 2014 |
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| 26, Raleigh Court, Rouen Road703 m away | 31 m² | 47 m² | +16 m² +52% | 2013 |
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| 62, Blue Mill, Paper Mill Yard754 m away | 47 m² | 63 m² | +16 m² +34% | 2010 |
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| 35, Greyfriars Road613 m away | 62 m² | 78 m² | +16 m² +26% | 2009 |
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| 35, Chalk Hill Road213 m away | 86 m² | 101 m² | +15 m² +17% | 2026 |
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| 66, Ella Road176 m away | 86 m² | 101 m² | +15 m² +17% | 2022 |
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| 15, Priory View, Paper Mill Yard730 m away | 58 m² | 73 m² | +15 m² +26% | 2022 |
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| 13, Granary View, Paper Mill Yard710 m away | 42 m² | 57 m² | +15 m² +36% | 2021 |
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| 31, Mandells Court917 m away | 29 m² | 44 m² | +15 m² +52% | 2021 |
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| 52, Riverway Court, 4, Recorder Road287 m away | 34 m² | 49 m² | +15 m² +44% | 2020 |
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| Park House, 31, Cattle Market Street696 m away | 76 m² | 91 m² | +15 m² +20% | 2019 |
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| 83, St Leonards Road471 m away | 48 m² | 63 m² | +15 m² +31% | 2014 |
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