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 9RJ
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, Chippenham Road992 m away | 94 m² | 188 m² | +94 m² +100% | 2024 |
| 34, Priory Road742 m away | 161 m² | 243 m² | +82 m² +51% | 2016 |
| 80, Paines Brook Way427 m away | 71 m² | 147 m² | +76 m² +107% | 2020 |
| 50, Halesworth Road839 m away | 69 m² | 128 m² | +59 m² +86% | 2025 |
| 20, Tiverton Grove411 m away | 50 m² | 108 m² | +58 m² +116% | 2013 |
| 17, Bernwelle Avenue528 m away | 90 m² | 145 m² | +55 m² +61% | 2025 |
| 20, Harlesden Close826 m away | 73 m² | 128 m² | +55 m² +75% | 2025 |
| 29, Priory Road970 m away | 107 m² | 162 m² | +55 m² +51% | 2017 |
| 226, Faringdon Avenue691 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.
| 88 m² |
| 142 m² |
| +54 m² +61% |
| 2020 |
| 12, Kingsbridge Road868 m away | 73 m² | 127 m² | +54 m² +74% | 2018 |
|---|
| 60, Whitchurch Road651 m away | 98 m² | 151 m² | +53 m² +54% | 2013 |
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| 6, Kingsbridge Road868 m away | 69 m² | 118 m² | +49 m² +71% | 2026 |
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| 6, St Neots Road874 m away | 58 m² | 104 m² | +46 m² +79% | 2026 |
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| 4, Guildford Gardens889 m away | 85 m² | 130 m² | +45 m² +53% | 2025 |
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| 14, Meadfarm Close482 m away | 87 m² | 131 m² | +44 m² +51% | 2025 |
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| 8, Wickford Drive85 m away | 69 m² | 112 m² | +43 m² +62% | 2026 |
|---|
| 364, Dagnam Park Drive675 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 46, Colne Drive632 m away | 65 m² | 106 m² | +41 m² +63% | 2021 |
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| 43, Wigton Road665 m away | 117 m² | 155 m² | +38 m² +32% | 2018 |
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| 23, Priory Grove809 m away | 160 m² | 198 m² | +38 m² +24% | 2014 |
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| 86, Dewsbury Road912 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
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| 11, Dorking Road977 m away | 148 m² | 185 m² | +37 m² +25% | 2025 |
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| 2, Collerne Street469 m away | 87 m² | 123 m² | +36 m² +41% | 2025 |
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| 37, Broseley Gardens588 m away | 84 m² | 119 m² | +35 m² +42% | 2025 |
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| 19, Hall Terrace974 m away | 122 m² | 156 m² | +34 m² +28% | 2026 |
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| 35, Oakley Drive524 m away | 89 m² | 123 m² | +34 m² +38% | 2019 |
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| 6a, Kenilworth Avenue936 m away | 129 m² | 162 m² | +33 m² +26% | 2021 |
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| 137, Chippenham Road820 m away | 88 m² | 121 m² | +33 m² +38% | 2014 |
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| 23, Dewsbury Road827 m away | 68 m² | 100 m² | +32 m² +47% | 2026 |
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| 10, Petersfield Avenue548 m away | 71 m² | 103 m² | +32 m² +45% | 2023 |
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| 19, North Hill Drive818 m away | 72 m² | 104 m² | +32 m² +44% | 2023 |
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| 10, Lancing Road986 m away | 87 m² | 118 m² | +31 m² +36% | 2025 |
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| 175, Whitchurch Road949 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
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| 14, Dewsbury Gardens928 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
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| 14, Sudbury Close560 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
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| 62, Tring Gardens357 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
|---|
| 16, Priory Road742 m away | 94 m² | 124 m² | +30 m² +32% | 2022 |
|---|
| 40, Amersham Road664 m away | 64 m² | 93 m² | +29 m² +45% | 2024 |
|---|
| 12, Retford Close767 m away | 91 m² | 120 m² | +29 m² +32% | 2020 |
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| 15, Swindon Lane0 m away | 70 m² | 97 m² | +27 m² +39% | 2026 |
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| 48, Colne Drive632 m away | 65 m² | 92 m² | +27 m² +42% | 2024 |
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| 9, Priory Path849 m away | 105 m² | 132 m² | +27 m² +26% | 2019 |
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| 356, Dagnam Park Drive675 m away | 111 m² | 138 m² | +27 m² +24% | 2012 |
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| 12, Chepstow House, Leamington Road364 m away | 41 m² | 67 m² | +26 m² +63% | 2023 |
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| 16, Penrith Road710 m away | 78 m² | 104 m² | +26 m² +33% | 2023 |
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| 108, Chippenham Road820 m away | 71 m² | 97 m² | +26 m² +37% | 2021 |
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| 3, Dorking Rise923 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 34, Sedgefield Crescent307 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
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| 74, Amersham Road664 m away | 101 m² | 126 m² | +25 m² +25% | 2025 |
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| 9, Broseley Road602 m away | 108 m² | 132 m² | +24 m² +22% | 2022 |
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| 2, Oldmead Close539 m away | 89 m² | 112 m² | +23 m² +26% | 2025 |
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| 111, Amersham Road612 m away | 102 m² | 125 m² | +23 m² +23% | 2025 |
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| 14, Amersham Road694 m away | 86 m² | 108 m² | +22 m² +26% | 2023 |
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| 41, Tring Gardens357 m away | 91 m² | 113 m² | +22 m² +24% | 2019 |
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| 1, Priory Path849 m away | 111 m² | 133 m² | +22 m² +20% | 2018 |
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| 29, Sheffield Drive680 m away | 89 m² | 110 m² | +21 m² +24% | 2023 |
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| 17, Priory Grove809 m away | 118 m² | 139 m² | +21 m² +18% | 2023 |
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| 13, Chippenham Close899 m away | 68 m² | 89 m² | +21 m² +31% | 2017 |
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| 31, Priory Road970 m away | 121 m² | 142 m² | +21 m² +17% | 2014 |
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| 18, Amersham Close769 m away | 90 m² | 110 m² | +20 m² +22% | 2021 |
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| 178, Dagnam Park Drive157 m away | 88 m² | 108 m² | +20 m² +23% | 2020 |
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| 262, Hilldene Avenue878 m away | 76 m² | 96 m² | +20 m² +26% | 2015 |
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| 95, Dorking Road851 m away | 80 m² | 100 m² | +20 m² +25% | 2014 |
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| 228, Petersfield Avenue641 m away | 91 m² | 110 m² | +19 m² +21% | 2025 |
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| 217, Gooshays Drive723 m away | 82 m² | 101 m² | +19 m² +23% | 2018 |
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| 3, Amersham Road694 m away | 92 m² | 111 m² | +19 m² +21% | 2010 |
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| 51, Retford Road892 m away | 85 m² | 103 m² | +18 m² +21% | 2024 |
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| 64, Amersham Road664 m away | 69 m² | 87 m² | +18 m² +26% | 2021 |
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| 1, Leamington Road351 m away | 67 m² | 84 m² | +17 m² +25% | 2014 |
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| 51, Sheffield Drive560 m away | 75 m² | 91 m² | +16 m² +21% | 2024 |
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| 81, Petersfield Avenue641 m away | 42 m² | 58 m² | +16 m² +38% | 2024 |
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| 66, Halesworth Road839 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
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| 15, Tiverton Grove411 m away | 59 m² | 75 m² | +16 m² +27% | 2019 |
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| 7, Bernwelle Avenue528 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
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| 52, Sedgefield Crescent307 m away | 63 m² | 78 m² | +15 m² +24% | 2022 |
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| 283, Dagnam Park Drive181 m away | 87 m² | 102 m² | +15 m² +17% | 2020 |
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