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 NP20 2LW
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 |
|---|---|---|---|---|
| 103, Alexandra Road463 m away | 104 m² | 219 m² | +115 m² +111% | 2010 |
| 182, Commercial Road706 m away | 229 m² | 338 m² | +109 m² +48% | 2025 |
| 102, Alexandra Road463 m away | 83 m² | 155 m² | +72 m² +87% | 2023 |
| 24, Keynsham Avenue890 m away | 77 m² | 146 m² | +69 m² +90% | 2014 |
| 6, Mountjoy Street710 m away | 90 m² | 150 m² | +60 m² +67% | 2014 |
| 61, Commercial Road546 m away | 139 m² | 197 m² | +58 m² +42% | 2017 |
| 17, St Stephens Road347 m away | 60 m² | 117 m² | +57 m² +95% | 2014 |
| 3a, Commercial Road871 m away | 86 m² | 139 m² | +53 m² +62% | 2016 |
| 13, Alice Street240 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.
| 139 m² |
| 191 m² |
| +52 m² +37% |
| 2016 |
| 32, Dewsland Park Road945 m away | 231 m² | 281 m² | +50 m² +22% | 2017 |
|---|
| 2, Clarence Street545 m away | 61 m² | 109 m² | +48 m² +79% | 2013 |
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| 5, Clytha Crescent708 m away | 115 m² | 161 m² | +46 m² +40% | 2024 |
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| 1, Watch House Parade511 m away | 85 m² | 130 m² | +45 m² +53% | 2009 |
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| 16, Kirby Daniel Court476 m away | 35 m² | 77 m² | +42 m² +120% | 2021 |
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| 27, Mendalgief Road258 m away | 87 m² | 128 m² | +41 m² +47% | 2021 |
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| 22, St Stephens Road347 m away | 63 m² | 103 m² | +40 m² +63% | 2022 |
|---|
| 12, Milman Street330 m away | 104 m² | 144 m² | +40 m² +38% | 2013 |
|---|
| 1, Milman Street272 m away | 120 m² | 159 m² | +39 m² +33% | 2011 |
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| 18, St Michael Street617 m away | 80 m² | 118 m² | +38 m² +48% | 2014 |
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| 6, Baldwin Street258 m away | 103 m² | 139 m² | +36 m² +35% | 2016 |
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| 79, Mendalgief Road149 m away | 43 m² | 78 m² | +35 m² +81% | 2024 |
|---|
| 17, Kirby Daniel Court476 m away | 49 m² | 84 m² | +35 m² +71% | 2021 |
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| 4, George Street923 m away | 108 m² | 141 m² | +33 m² +31% | 2022 |
|---|
| Flat 25, Selskar Court, Usk Way998 m away | 42 m² | 75 m² | +33 m² +79% | 2021 |
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| 24 Selskar Court, Usk Way998 m away | 42 m² | 74 m² | +32 m² +76% | 2021 |
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| 3, Mountjoy Street710 m away | 78 m² | 110 m² | +32 m² +41% | 2019 |
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| 155, Commercial Road525 m away | 78 m² | 110 m² | +32 m² +41% | 2010 |
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| 69, Dolphin Street764 m away | 117 m² | 148 m² | +31 m² +26% | 2016 |
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| 21, Robert Place243 m away | 80 m² | 111 m² | +31 m² +39% | 2013 |
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| 8, Alexandra Road360 m away | 119 m² | 148 m² | +29 m² +24% | 2025 |
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| 8, Waterloo Road905 m away | 125 m² | 154 m² | +29 m² +23% | 2023 |
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| 32, St Michael Street617 m away | 99 m² | 128 m² | +29 m² +29% | 2015 |
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| 12, St Michael Street617 m away | 69 m² | 98 m² | +29 m² +42% | 2014 |
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| Flat 42, Selskar Court, Usk Way998 m away | 42 m² | 70 m² | +28 m² +67% | 2016 |
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| 16, Courtybella Terrace336 m away | 65 m² | 93 m² | +28 m² +43% | 2014 |
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| Flat 41, Selskar Court, Usk Way998 m away | 42 m² | 69 m² | +27 m² +64% | 2023 |
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| 21, Cardiff Road618 m away | 154 m² | 180 m² | +26 m² +17% | 2024 |
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| 25, Windsor Castle Road578 m away | 89 m² | 114 m² | +25 m² +28% | 2024 |
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| 110 - 111, Commercial Road443 m away | 50 m² | 75 m² | +25 m² +50% | 2022 |
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| 44, Alexandra Road287 m away | 45 m² | 70 m² | +25 m² +56% | 2016 |
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| 120, Commercial Road443 m away | 31 m² | 56 m² | +25 m² +81% | 2013 |
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| 27, Clytha Square773 m away | 38 m² | 63 m² | +25 m² +66% | 2008 |
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| 18, Alexandra Road360 m away | 40 m² | 64 m² | +24 m² +60% | 2019 |
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| 12, Arthur Close257 m away | 65 m² | 88 m² | +23 m² +35% | 2026 |
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| 26, St Michael Street617 m away | 91 m² | 114 m² | +23 m² +25% | 2025 |
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| 27, Dewsland Park Road851 m away | 96 m² | 119 m² | +23 m² +24% | 2025 |
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| 34, Wolseley Street410 m away | 117 m² | 140 m² | +23 m² +20% | 2024 |
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| 81, Commercial Road487 m away | 20 m² | 43 m² | +23 m² +115% | 2014 |
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| 33, Cardiff Road546 m away | 43 m² | 65 m² | +22 m² +51% | 2026 |
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| 71, Capel Crescent440 m away | 102 m² | 124 m² | +22 m² +22% | 2022 |
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| 107, Commercial Street923 m away | 37 m² | 58 m² | +21 m² +57% | 2010 |
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| 88, Lower Dock Street902 m away | 60 m² | 80 m² | +20 m² +33% | 2024 |
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| 44, Capel Crescent355 m away | 110 m² | 130 m² | +20 m² +18% | 2017 |
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| 61, Dolphin Street843 m away | 87 m² | 107 m² | +20 m² +23% | 2014 |
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| 14, St Stephens Road347 m away | 63 m² | 83 m² | +20 m² +32% | 2011 |
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| 30, Clytha Square773 m away | 29 m² | 49 m² | +20 m² +69% | 2008 |
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| 16, Oswald Road34 m away | 63 m² | 82 m² | +19 m² +30% | 2026 |
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| 23, South Market Street864 m away | 74 m² | 93 m² | +19 m² +26% | 2014 |
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| 16, Potter Street540 m away | 107 m² | 125 m² | +18 m² +17% | 2025 |
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| 52, Capel Crescent355 m away | 115 m² | 133 m² | +18 m² +16% | 2017 |
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| 42, Alexandra Road287 m away | 30 m² | 48 m² | +18 m² +60% | 2016 |
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| 19, Alexandra Road325 m away | 83 m² | 101 m² | +18 m² +22% | 2013 |
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| 130, Commercial Road443 m away | 30 m² | 47 m² | +17 m² +57% | 2018 |
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| 16, Coldra Road976 m away | 81 m² | 98 m² | +17 m² +21% | 2017 |
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| 9, Castle Street669 m away | 86 m² | 102 m² | +16 m² +19% | 2025 |
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| 34, Clarence Street545 m away | 75 m² | 91 m² | +16 m² +21% | 2022 |
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| 4, Alexandra Road360 m away | 36 m² | 52 m² | +16 m² +44% | 2019 |
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| 27, South Market Street864 m away | 74 m² | 89 m² | +15 m² +20% | 2021 |
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| 10, Alexandra Road360 m away | 48 m² | 63 m² | +15 m² +31% | 2019 |
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| 11, Lime Close119 m away | 70 m² | 85 m² | +15 m² +21% | 2015 |
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| 8, Aubrey Hames Close968 m away | 54 m² | 69 m² | +15 m² +28% | 2014 |
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| 122, Alma Street495 m away | 91 m² | 106 m² | +15 m² +16% | 2013 |
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