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 SG5 4NF
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 |
|---|---|---|---|---|
| 71, Vaughan Road908 m away | 62 m² | 153 m² | +91 m² +147% | 2026 |
| 7, Alexander Road208 m away | 92 m² | 182 m² | +90 m² +98% | 2020 |
| 38, Hitchin Road718 m away | 105 m² | 194 m² | +89 m² +85% | 2020 |
| 61, Vaughan Road845 m away | 85 m² | 173 m² | +88 m² +104% | 2020 |
| 29, Coppice Mead788 m away | 72 m² | 143 m² | +71 m² +99% | 2021 |
| 15, The Green804 m away | 54 m² | 122 m² | +68 m² +126% | 2018 |
| 46, High Street507 m away | 113 m² | 180 m² | +67 m² +59% | 2023 |
| 42a, The Avenue319 m away | 86 m² | 152 m² | +66 m² +77% | 2025 |
| 11, The Gardens950 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.
| 163 m² |
| +64 m² +65% |
| 2018 |
| 17, Home Close408 m away | 91 m² | 151 m² | +60 m² +66% | 2022 |
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| 25, The Crofts128 m away | 62 m² | 120 m² | +58 m² +94% | 2015 |
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| 20, Hitchin Road718 m away | 96 m² | 153 m² | +57 m² +59% | 2015 |
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| 8, The Gardens950 m away | 73 m² | 129 m² | +56 m² +77% | 2012 |
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| 16a, Church Road337 m away | 74 m² | 126 m² | +52 m² +70% | 2020 |
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| 27, Valerian Way840 m away | 106 m² | 155 m² | +49 m² +46% | 2017 |
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| 54, Tansy Avenue314 m away | 113 m² | 160 m² | +47 m² +42% | 2026 |
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| 34, Baldock Road381 m away | 161 m² | 206 m² | +45 m² +28% | 2019 |
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| 30, Rook Tree Lane459 m away | 121 m² | 166 m² | +45 m² +37% | 2018 |
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| 3, Melbourne Close441 m away | 73 m² | 117 m² | +44 m² +60% | 2026 |
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| 13, Hazel Grove757 m away | 129 m² | 173 m² | +44 m² +34% | 2024 |
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| 12, Netherstones786 m away | 100 m² | 142 m² | +42 m² +42% | 2021 |
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| 2, Campion Avenue672 m away | 170 m² | 212 m² | +42 m² +25% | 2020 |
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| 26, Tansy Avenue314 m away | 83 m² | 124 m² | +41 m² +49% | 2026 |
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| 16a, High Street507 m away | 104 m² | 145 m² | +41 m² +39% | 2019 |
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| 14, Common Road841 m away | 86 m² | 125 m² | +39 m² +45% | 2014 |
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| 32, Grange Drive337 m away | 156 m² | 192 m² | +36 m² +23% | 2026 |
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| 18, Common Road841 m away | 79 m² | 115 m² | +36 m² +46% | 2025 |
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| 36, Valerian Way648 m away | 129 m² | 165 m² | +36 m² +28% | 2020 |
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| 19, The Gardens950 m away | 76 m² | 111 m² | +35 m² +46% | 2017 |
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| 5, Chamomile Way626 m away | 115 m² | 149 m² | +34 m² +30% | 2020 |
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| 2, Cowslip Drive351 m away | 76 m² | 110 m² | +34 m² +45% | 2010 |
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| 6, Mill Close201 m away | 76 m² | 109 m² | +33 m² +43% | 2025 |
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| 38, Common Road993 m away | 98 m² | 131 m² | +33 m² +34% | 2022 |
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| 4, The Coppens329 m away | 84 m² | 116 m² | +32 m² +38% | 2026 |
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| 10, Queen Annes Close190 m away | 107 m² | 139 m² | +32 m² +30% | 2024 |
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| 27, Kingsway802 m away | 84 m² | 115 m² | +31 m² +37% | 2015 |
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| 9, Harebell Avenue468 m away | 67 m² | 96 m² | +29 m² +43% | 2018 |
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| 11, Rook Tree Lane459 m away | 84 m² | 113 m² | +29 m² +35% | 2016 |
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| 12, Castles Close989 m away | 92 m² | 121 m² | +29 m² +32% | 2016 |
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| 50, Trinity Road767 m away | 93 m² | 121 m² | +28 m² +30% | 2024 |
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| 30, High Street507 m away | 176 m² | 204 m² | +28 m² +16% | 2022 |
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| 1, Upperstone Close455 m away | 42 m² | 70 m² | +28 m² +67% | 2010 |
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| 10, Mill Close201 m away | 81 m² | 107 m² | +26 m² +32% | 2022 |
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| 61, Rook Tree Lane237 m away | 104 m² | 130 m² | +26 m² +25% | 2021 |
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| 36, Meadowsweet Way437 m away | 67 m² | 92 m² | +25 m² +37% | 2025 |
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| 18, Brayes Manor337 m away | 48 m² | 73 m² | +25 m² +52% | 2024 |
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| 7, St Marys Avenue0 m away | 119 m² | 144 m² | +25 m² +21% | 2022 |
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| 63, Mowbray Crescent517 m away | 107 m² | 132 m² | +25 m² +23% | 2021 |
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| 40, Baldock Road381 m away | 127 m² | 152 m² | +25 m² +20% | 2020 |
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| 97, The Green649 m away | 110 m² | 135 m² | +25 m² +23% | 2016 |
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| 12, Coppice Mead694 m away | 100 m² | 125 m² | +25 m² +25% | 2015 |
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| 43, Baldock Road381 m away | 82 m² | 105 m² | +23 m² +28% | 2014 |
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| 21, Arlesey Road850 m away | 139 m² | 161 m² | +22 m² +16% | 2026 |
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| 19, Church Road440 m away | 58 m² | 80 m² | +22 m² +38% | 2024 |
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| 2, Blacksmiths Close531 m away | 64 m² | 85 m² | +21 m² +33% | 2024 |
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| 1, Speedwell Way709 m away | 68 m² | 89 m² | +21 m² +31% | 2024 |
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| 11, The Green804 m away | 57 m² | 78 m² | +21 m² +37% | 2022 |
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| 116, Hitchin Road931 m away | 82 m² | 103 m² | +21 m² +26% | 2016 |
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| 5, Roe Close860 m away | 95 m² | 115 m² | +20 m² +21% | 2021 |
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| 2, Chequers Close74 m away | 57 m² | 77 m² | +20 m² +35% | 2016 |
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| 51, Coppice Mead788 m away | 72 m² | 92 m² | +20 m² +28% | 2014 |
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| 14, Baldock Road214 m away | 89 m² | 106 m² | +17 m² +19% | 2023 |
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| 13, Netherstones786 m away | 86 m² | 103 m² | +17 m² +20% | 2022 |
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| 2a, Regent Street569 m away | 87 m² | 104 m² | +17 m² +20% | 2021 |
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| 21, The Mixies553 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
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| 4, Trinity Road693 m away | 71 m² | 87 m² | +16 m² +23% | 2017 |
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| 11, Heron Way844 m away | 82 m² | 98 m² | +16 m² +20% | 2016 |
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| 96, Vaughan Road960 m away | 79 m² | 95 m² | +16 m² +20% | 2016 |
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