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 RM3 7JS
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 |
|---|---|---|---|---|
| 22, Barnstaple Road869 m away | 81 m² | 176 m² | +95 m² +117% | 2014 |
| 103, Chippenham Road769 m away | 94 m² | 188 m² | +94 m² +100% | 2024 |
| 60, Byron Way915 m away | 100 m² | 179 m² | +79 m² +79% | 2025 |
| 87, Coltsfoot Path592 m away | 77 m² | 152 m² | +75 m² +97% | 2025 |
| 16, Barberry Close436 m away | 112 m² | 173 m² | +61 m² +54% | 2023 |
| 49, Coleridge Road725 m away | 54 m² | 115 m² | +61 m² +113% | 2019 |
| 19, Newbury Road525 m away | 84 m² | 142 m² | +58 m² +69% | 2025 |
| 296, Straight Road187 m away | 74 m² | 132 m² | +58 m² +78% | 2015 |
| 4, Smart Close908 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.
| 82 m² |
| 139 m² |
| +57 m² +70% |
| 2022 |
| 10, Bell Avenue940 m away | 66 m² | 122 m² | +56 m² +85% | 2016 |
|---|
| 38, Coleridge Road686 m away | 76 m² | 132 m² | +56 m² +74% | 2015 |
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| 40, Heaton Close700 m away | 64 m² | 116 m² | +52 m² +81% | 2020 |
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| 33, Sheridan Close373 m away | 137 m² | 189 m² | +52 m² +38% | 2015 |
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| 1, Charlbury Close153 m away | 73 m² | 120 m² | +47 m² +64% | 2020 |
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| 2, Smart Close908 m away | 87 m² | 129 m² | +42 m² +48% | 2015 |
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| 88, Hilldene Avenue546 m away | 71 m² | 113 m² | +42 m² +59% | 2014 |
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| 353, Straight Road464 m away | 83 m² | 124 m² | +41 m² +49% | 2024 |
|---|
| 81, Heaton Avenue609 m away | 49 m² | 90 m² | +41 m² +84% | 2019 |
|---|
| 37, Appleby Drive579 m away | 40 m² | 81 m² | +41 m² +102% | 2013 |
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| 21, Longtown Road354 m away | 76 m² | 114 m² | +38 m² +50% | 2025 |
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| 29, Heaton Avenue595 m away | 60 m² | 98 m² | +38 m² +63% | 2024 |
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| 31, Hailsham Road699 m away | 81 m² | 118 m² | +37 m² +46% | 2026 |
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| 69a, Harrow Crescent833 m away | 84 m² | 121 m² | +37 m² +44% | 2025 |
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| 86, Dewsbury Road900 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
|---|
| 1, Dunstable Close515 m away | 85 m² | 120 m² | +35 m² +41% | 2026 |
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| 5, Ruskin Gardens868 m away | 66 m² | 101 m² | +35 m² +53% | 2021 |
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| 1, Leigh Drive966 m away | 74 m² | 108 m² | +34 m² +46% | 2026 |
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| 52, Cricklade Avenue787 m away | 89 m² | 123 m² | +34 m² +38% | 2023 |
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| 137, Chippenham Road941 m away | 88 m² | 121 m² | +33 m² +38% | 2014 |
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| 18, Heaton Close700 m away | 66 m² | 98 m² | +32 m² +48% | 2026 |
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| 1, Charlbury Crescent190 m away | 73 m² | 105 m² | +32 m² +44% | 2017 |
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| 4, Harrow Crescent806 m away | 69 m² | 101 m² | +32 m² +46% | 2016 |
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| 23, Grange Road305 m away | 72 m² | 104 m² | +32 m² +44% | 2014 |
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| 175, Straight Road443 m away | 52 m² | 84 m² | +32 m² +62% | 2014 |
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| 62, Ashbourne Road999 m away | 92 m² | 124 m² | +32 m² +35% | 2014 |
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| 14, Dewsbury Gardens918 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
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| 47, Coleridge Road725 m away | 75 m² | 106 m² | +31 m² +41% | 2022 |
|---|
| 180, Bridgwater Road790 m away | 93 m² | 124 m² | +31 m² +33% | 2020 |
|---|
| 264, Straight Road64 m away | 88 m² | 118 m² | +30 m² +34% | 2026 |
|---|
| 14, Ruskin Gardens868 m away | 83 m² | 113 m² | +30 m² +36% | 2026 |
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| 69, Charlbury Crescent190 m away | 84 m² | 114 m² | +30 m² +36% | 2024 |
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| 90, North Hill Drive985 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
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| 24, Heaton Way513 m away | 96 m² | 126 m² | +30 m² +31% | 2018 |
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| 8, Small Heath Avenue710 m away | 74 m² | 103 m² | +29 m² +39% | 2026 |
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| 4, Briar Road506 m away | 71 m² | 100 m² | +29 m² +41% | 2025 |
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| 33, Montgomery Crescent560 m away | 79 m² | 108 m² | +29 m² +37% | 2023 |
|---|
| 66, North Hill Drive985 m away | 70 m² | 99 m² | +29 m² +41% | 2013 |
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| 5, Whitworth Avenue637 m away | 68 m² | 95 m² | +27 m² +40% | 2024 |
|---|
| 108, Chippenham Road941 m away | 71 m² | 97 m² | +26 m² +37% | 2021 |
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| 4, Dock Walk612 m away | 68 m² | 93 m² | +25 m² +37% | 2024 |
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| 1a, Grange Road141 m away | 50 m² | 74 m² | +24 m² +48% | 2026 |
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| 30, Meynell Road349 m away | 75 m² | 99 m² | +24 m² +32% | 2015 |
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| 31, Dudley Road655 m away | 70 m² | 94 m² | +24 m² +34% | 2013 |
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| 27, Byron Way992 m away | 62 m² | 86 m² | +24 m² +39% | 2012 |
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| 1, Gascoyne Close984 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
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| 13, Stanwyck Gardens467 m away | 73 m² | 96 m² | +23 m² +32% | 2024 |
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| 6, Heaton Avenue579 m away | 75 m² | 98 m² | +23 m² +31% | 2023 |
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| 189, Straight Road443 m away | 69 m² | 92 m² | +23 m² +33% | 2011 |
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| 39, Edenhall Road564 m away | 71 m² | 93 m² | +22 m² +31% | 2026 |
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| 139, Briar Road685 m away | 95 m² | 117 m² | +22 m² +23% | 2026 |
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| 41, Edenhall Road564 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
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| 148, Grange Road431 m away | 58 m² | 80 m² | +22 m² +38% | 2019 |
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| 70, Byron Way915 m away | 89 m² | 111 m² | +22 m² +25% | 2017 |
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| 7, Honeysuckle Close449 m away | 76 m² | 98 m² | +22 m² +29% | 2013 |
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| 55, Daventry Road351 m away | 85 m² | 106 m² | +21 m² +25% | 2025 |
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| 59, Keats Avenue677 m away | 60 m² | 81 m² | +21 m² +35% | 2023 |
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| 14, Stanwyck Gardens467 m away | 72 m² | 93 m² | +21 m² +29% | 2018 |
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| 13, Chippenham Close884 m away | 68 m² | 89 m² | +21 m² +31% | 2017 |
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| 76, Veronica Close605 m away | 29 m² | 50 m² | +21 m² +72% | 2014 |
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| 16, Hailsham Close602 m away | 84 m² | 104 m² | +20 m² +24% | 2026 |
|---|
| 42, Keats Avenue677 m away | 120 m² | 140 m² | +20 m² +17% | 2019 |
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| 58, Montgomery Crescent902 m away | 62 m² | 82 m² | +20 m² +32% | 2019 |
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| 262, Hilldene Avenue921 m away | 76 m² | 96 m² | +20 m² +26% | 2015 |
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| 58, Coleridge Road686 m away | 109 m² | 128 m² | +19 m² +17% | 2026 |
|---|
| 13, Chaucer Road500 m away | 104 m² | 123 m² | +19 m² +18% | 2015 |
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| 123, Sevenoaks Close790 m away | 44 m² | 63 m² | +19 m² +43% | 2014 |
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| 14, Barberry Close436 m away | 84 m² | 102 m² | +18 m² +21% | 2025 |
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| 16, Mimosa Close684 m away | 95 m² | 113 m² | +18 m² +19% | 2025 |
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| 17, Heaton Avenue595 m away | 114 m² | 132 m² | +18 m² +16% | 2023 |
|---|
| 149, Daventry Road470 m away | 68 m² | 86 m² | +18 m² +26% | 2013 |
|---|
| 84, Daventry Road345 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
|---|
| 360, Straight Road416 m away | 71 m² | 88 m² | +17 m² +24% | 2023 |
|---|
| 7, Barnstaple Road869 m away | 83 m² | 100 m² | +17 m² +20% | 2022 |
|---|
| 6, Heaton Close700 m away | 69 m² | 86 m² | +17 m² +25% | 2021 |
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| 12, Tennyson Road761 m away | 60 m² | 77 m² | +17 m² +28% | 2021 |
|---|
| 50, Grange Road305 m away | 58 m² | 75 m² | +17 m² +29% | 2019 |
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| 70, Coleridge Road686 m away | 97 m² | 114 m² | +17 m² +18% | 2016 |
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| 69, Harrow Crescent833 m away | 88 m² | 105 m² | +17 m² +19% | 2016 |
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| 3, Pontypool Walk325 m away | 85 m² | 102 m² | +17 m² +20% | 2015 |
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| 6, Betony Road499 m away | 72 m² | 89 m² | +17 m² +24% | 2013 |
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| 5, Mimosa Close684 m away | 100 m² | 117 m² | +17 m² +17% | 2013 |
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| 48, Longtown Road457 m away | 82 m² | 98 m² | +16 m² +20% | 2026 |
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| 41, Montgomery Crescent560 m away | 106 m² | 122 m² | +16 m² +15% | 2022 |
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| 58, Farnham Road698 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 7, Heaton Way513 m away | 82 m² | 98 m² | +16 m² +20% | 2019 |
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| 9, Lavender Close617 m away | 61 m² | 77 m² | +16 m² +26% | 2016 |
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| 50, Dudley Road769 m away | 32 m² | 48 m² | +16 m² +50% | 2013 |
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| 3, Keats Avenue977 m away | 67 m² | 82 m² | +15 m² +22% | 2026 |
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| 4, Longtown Close431 m away | 90 m² | 105 m² | +15 m² +17% | 2022 |
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| 337, Straight Road464 m away | 96 m² | 111 m² | +15 m² +16% | 2022 |
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| 30, Appleby Drive579 m away | 54 m² | 69 m² | +15 m² +28% | 2022 |
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| 20, Dunstable Road579 m away | 70 m² | 85 m² | +15 m² +21% | 2021 |
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| 236, Straight Road188 m away | 74 m² | 89 m² | +15 m² +20% | 2020 |
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| 55, Heaton Avenue609 m away | 79 m² | 94 m² | +15 m² +19% | 2020 |
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| 75, Bridgwater Road790 m away | 84 m² | 99 m² | +15 m² +18% | 2018 |
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| 3, Kirkham House, Montgomery Crescent840 m away | 60 m² | 75 m² | +15 m² +25% | 2018 |
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| 20, Longtown Close431 m away | 76 m² | 91 m² | +15 m² +20% | 2016 |
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