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 9JU
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 |
|---|---|---|---|---|
| 46, Woodstock Avenue822 m away | 79 m² | 183 m² | +104 m² +132% | 2022 |
| 33, Harold Court Road969 m away | 61 m² | 152 m² | +91 m² +149% | 2017 |
| 31, Court Avenue671 m away | 55 m² | 134 m² | +79 m² +144% | 2022 |
| 80, Paines Brook Way199 m away | 71 m² | 147 m² | +76 m² +107% | 2020 |
| 11, Alverstoke Road816 m away | 70 m² | 142 m² | +72 m² +103% | 2022 |
| 10, Royston Road774 m away | 66 m² | 135 m² | +69 m² +105% | 2020 |
| 45, Geoffrey Avenue741 m away | 47 m² | 116 m² | +69 m² +147% | 2016 |
| 18, Camborne Avenue810 m away | 70 m² | 138 m² | +68 m² +97% | 2015 |
| 27, Sussex Avenue640 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.
| 73 m² |
| 139 m² |
| +66 m² +90% |
| 2023 |
| 7, Chelsworth Drive964 m away | 89 m² | 150 m² | +61 m² +69% | 2025 |
|---|
| 109, Gubbins Lane916 m away | 96 m² | 157 m² | +61 m² +64% | 2022 |
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| 50, Halesworth Road586 m away | 69 m² | 128 m² | +59 m² +86% | 2025 |
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| 20, Tiverton Grove481 m away | 50 m² | 108 m² | +58 m² +116% | 2013 |
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| 15, Chelsworth Drive964 m away | 86 m² | 143 m² | +57 m² +66% | 2022 |
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| 20, Harlesden Close457 m away | 73 m² | 128 m² | +55 m² +75% | 2025 |
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| 17, Bernwelle Avenue573 m away | 90 m² | 145 m² | +55 m² +61% | 2025 |
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| 226, Faringdon Avenue599 m away | 88 m² | 142 m² | +54 m² +61% | 2020 |
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| 12, Kingsbridge Road711 m away | 73 m² | 127 m² | +54 m² +74% | 2018 |
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| 4, Church Road970 m away | 87 m² | 140 m² | +53 m² +61% | 2025 |
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| 9, Woodstock Avenue822 m away | 60 m² | 113 m² | +53 m² +88% | 2021 |
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| 197d, Church Road966 m away | 38 m² | 90 m² | +52 m² +137% | 2023 |
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| 28, Geoffrey Avenue706 m away | 51 m² | 103 m² | +52 m² +102% | 2021 |
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| 24, Sunnydene Close663 m away | 72 m² | 123 m² | +51 m² +71% | 2014 |
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| 6, Kingsbridge Road711 m away | 69 m² | 118 m² | +49 m² +71% | 2026 |
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| 52, Geoffrey Avenue706 m away | 69 m² | 117 m² | +48 m² +70% | 2021 |
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| 6, St Neots Road446 m away | 58 m² | 104 m² | +46 m² +79% | 2026 |
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| 4, Guildford Gardens807 m away | 85 m² | 130 m² | +45 m² +53% | 2025 |
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| 14, Meadfarm Close632 m away | 87 m² | 131 m² | +44 m² +51% | 2025 |
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| 8, Wickford Drive554 m away | 69 m² | 112 m² | +43 m² +62% | 2026 |
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| 364, Dagnam Park Drive941 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
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| 46, Colne Drive158 m away | 65 m² | 106 m² | +41 m² +63% | 2021 |
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| 42, Church Road970 m away | 72 m² | 112 m² | +40 m² +56% | 2026 |
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| 73, Camborne Avenue810 m away | 83 m² | 123 m² | +40 m² +48% | 2025 |
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| 10, Church Road970 m away | 70 m² | 110 m² | +40 m² +57% | 2025 |
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| 86, Dewsbury Road916 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
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| 2, Collerne Street600 m away | 87 m² | 123 m² | +36 m² +41% | 2025 |
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| 37, Broseley Gardens986 m away | 84 m² | 119 m² | +35 m² +42% | 2025 |
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| 19, Hall Terrace510 m away | 122 m² | 156 m² | +34 m² +28% | 2026 |
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| 35, Oakley Drive641 m away | 89 m² | 123 m² | +34 m² +38% | 2019 |
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| 6a, Kenilworth Avenue720 m away | 129 m² | 162 m² | +33 m² +26% | 2021 |
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| 137, Chippenham Road956 m away | 88 m² | 121 m² | +33 m² +38% | 2014 |
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| 23, Dewsbury Road783 m away | 68 m² | 100 m² | +32 m² +47% | 2026 |
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| 10, Petersfield Avenue456 m away | 71 m² | 103 m² | +32 m² +45% | 2023 |
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| 17, Harold Court Road870 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
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| 10, Lancing Road687 m away | 87 m² | 118 m² | +31 m² +36% | 2025 |
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| 4, Chelsworth Close901 m away | 87 m² | 118 m² | +31 m² +36% | 2024 |
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| 14, Dewsbury Gardens900 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
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| 53, Arundel Road976 m away | 130 m² | 161 m² | +31 m² +24% | 2015 |
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| 42, Court Avenue671 m away | 76 m² | 106 m² | +30 m² +39% | 2026 |
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| 14, Sudbury Close696 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
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| 62, Tring Gardens812 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
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| 40, Amersham Road383 m away | 64 m² | 93 m² | +29 m² +45% | 2024 |
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| 12, Retford Close303 m away | 91 m² | 120 m² | +29 m² +32% | 2020 |
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| 31, Sussex Avenue640 m away | 90 m² | 118 m² | +28 m² +31% | 2020 |
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| 15, Swindon Lane474 m away | 70 m² | 97 m² | +27 m² +39% | 2026 |
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| 14, Keighley Road808 m away | 83 m² | 110 m² | +27 m² +33% | 2025 |
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| 48, Colne Drive158 m away | 65 m² | 92 m² | +27 m² +42% | 2024 |
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| 356, Dagnam Park Drive941 m away | 111 m² | 138 m² | +27 m² +24% | 2012 |
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| 4, Camborne Way717 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 12, Chepstow House, Leamington Road234 m away | 41 m² | 67 m² | +26 m² +63% | 2023 |
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| 16, Penrith Road288 m away | 78 m² | 104 m² | +26 m² +33% | 2023 |
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| 37, Pearcy Close964 m away | 89 m² | 115 m² | +26 m² +29% | 2023 |
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| 108, Chippenham Road956 m away | 71 m² | 97 m² | +26 m² +37% | 2021 |
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| 15, Avenue Road896 m away | 31 m² | 56 m² | +25 m² +81% | 2026 |
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| 40, Elgin Avenue922 m away | 77 m² | 102 m² | +25 m² +32% | 2026 |
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| 74, Amersham Road383 m away | 101 m² | 126 m² | +25 m² +25% | 2025 |
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| 34, Sedgefield Crescent734 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
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| 9, Broseley Road982 m away | 108 m² | 132 m² | +24 m² +22% | 2022 |
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| 32, Court Avenue671 m away | 60 m² | 84 m² | +24 m² +40% | 2013 |
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| 13, Woodstock Avenue822 m away | 106 m² | 130 m² | +24 m² +23% | 2012 |
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| 25, Arundel Road976 m away | 51 m² | 74 m² | +23 m² +45% | 2026 |
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| 111, Amersham Road428 m away | 102 m² | 125 m² | +23 m² +23% | 2025 |
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| 2, Oldmead Close538 m away | 89 m² | 112 m² | +23 m² +26% | 2025 |
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| 1, Melksham Close638 m away | 92 m² | 115 m² | +23 m² +25% | 2023 |
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| Flat 1, Harold Court House, Church Road970 m away | 64 m² | 87 m² | +23 m² +36% | 2019 |
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| 161, Church Road809 m away | 73 m² | 95 m² | +22 m² +30% | 2026 |
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| 14, Amersham Road289 m away | 86 m² | 108 m² | +22 m² +26% | 2023 |
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| 41, Tring Gardens812 m away | 91 m² | 113 m² | +22 m² +24% | 2019 |
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| 29, Sheffield Drive640 m away | 89 m² | 110 m² | +21 m² +24% | 2023 |
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| 6, Melksham Green779 m away | 84 m² | 105 m² | +21 m² +25% | 2021 |
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| 185b, Church Road890 m away | 85 m² | 105 m² | +20 m² +24% | 2023 |
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| 29, Church Road970 m away | 94 m² | 114 m² | +20 m² +21% | 2023 |
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| 18, Amersham Close336 m away | 90 m² | 110 m² | +20 m² +22% | 2021 |
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| 4, Arundel Road978 m away | 74 m² | 94 m² | +20 m² +27% | 2021 |
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| 178, Dagnam Park Drive622 m away | 88 m² | 108 m² | +20 m² +23% | 2020 |
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| 1, Pearcy Close964 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 228, Petersfield Avenue275 m away | 91 m² | 110 m² | +19 m² +21% | 2025 |
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| 6, Birkdale Avenue725 m away | 77 m² | 96 m² | +19 m² +25% | 2024 |
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| 36, Church Road970 m away | 64 m² | 83 m² | +19 m² +30% | 2021 |
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| 44, Harold Court Road969 m away | 81 m² | 100 m² | +19 m² +23% | 2020 |
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| 20, David Drive690 m away | 57 m² | 76 m² | +19 m² +33% | 2019 |
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| 217, Gooshays Drive901 m away | 82 m² | 101 m² | +19 m² +23% | 2018 |
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| 3, Amersham Road289 m away | 92 m² | 111 m² | +19 m² +21% | 2010 |
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| 51, Retford Road456 m away | 85 m² | 103 m² | +18 m² +21% | 2024 |
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| 20, Melksham Gardens759 m away | 63 m² | 81 m² | +18 m² +29% | 2022 |
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| 64, Amersham Road383 m away | 69 m² | 87 m² | +18 m² +26% | 2021 |
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| 26, Leyburn Crescent903 m away | 86 m² | 104 m² | +18 m² +21% | 2020 |
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| 40, Church Road970 m away | 43 m² | 61 m² | +18 m² +42% | 2020 |
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| 128, Gubbins Lane916 m away | 59 m² | 77 m² | +18 m² +31% | 2016 |
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| 109, Avenue Road632 m away | 90 m² | 107 m² | +17 m² +19% | 2016 |
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| 1, Leamington Road265 m away | 67 m² | 84 m² | +17 m² +25% | 2014 |
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| 81, Petersfield Avenue275 m away | 42 m² | 58 m² | +16 m² +38% | 2024 |
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| 51, Sheffield Drive711 m away | 75 m² | 91 m² | +16 m² +21% | 2024 |
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| 66, Halesworth Road586 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
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| 14, Thurso Close813 m away | 83 m² | 99 m² | +16 m² +19% | 2020 |
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| 32, Harris Close923 m away | 79 m² | 95 m² | +16 m² +20% | 2020 |
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| Apartment 1, Russell Wilson Court, 150, Church Road935 m away | 38 m² | 54 m² | +16 m² +42% | 2020 |
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| 15, Tiverton Grove481 m away | 59 m² | 75 m² | +16 m² +27% | 2019 |
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| 11, Wednesbury Green565 m away | 81 m² | 96 m² | +15 m² +19% | 2025 |
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| 7, Bernwelle Avenue573 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
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| 52, Sedgefield Crescent734 m away | 63 m² | 78 m² | +15 m² +24% | 2022 |
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| 283, Dagnam Park Drive599 m away | 87 m² | 102 m² | +15 m² +17% | 2020 |
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| 142a, Church Road966 m away | 91 m² | 106 m² | +15 m² +16% | 2020 |
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| 6, Halidon Rise741 m away | 74 m² | 89 m² | +15 m² +20% | 2019 |
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| 56, David Drive690 m away | 51 m² | 66 m² | +15 m² +29% | 2013 |
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