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 9BA
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 Road635 m away | 81 m² | 176 m² | +95 m² +117% | 2014 |
| 103, Chippenham Road681 m away | 94 m² | 188 m² | +94 m² +100% | 2024 |
| 34, Priory Road385 m away | 161 m² | 243 m² | +82 m² +51% | 2016 |
| 80, Paines Brook Way832 m away | 71 m² | 147 m² | +76 m² +107% | 2020 |
| 29, The Mount977 m away | 107 m² | 175 m² | +68 m² +64% | 2019 |
| 19, Newbury Road875 m away | 84 m² | 142 m² | +58 m² +69% | 2025 |
| 17, Bernwelle Avenue586 m away | 90 m² | 145 m² | +55 m² +61% | 2025 |
| 29, Priory Road591 m away | 107 m² | 162 m² | +55 m² +51% | 2017 |
| 108, Priory Road605 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.
| 130 m² |
| 184 m² |
| +54 m² +42% |
| 2022 |
| 226, Faringdon Avenue775 m away | 88 m² | 142 m² | +54 m² +61% | 2020 |
|---|
| 51, The Mount977 m away | 85 m² | 139 m² | +54 m² +64% | 2020 |
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| 12, Kingsbridge Road936 m away | 73 m² | 127 m² | +54 m² +74% | 2018 |
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| 60, Whitchurch Road177 m away | 98 m² | 151 m² | +53 m² +54% | 2013 |
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| 6, Kingsbridge Road936 m away | 69 m² | 118 m² | +49 m² +71% | 2026 |
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| 4, Guildford Gardens858 m away | 85 m² | 130 m² | +45 m² +53% | 2025 |
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| 14, Meadfarm Close462 m away | 87 m² | 131 m² | +44 m² +51% | 2025 |
|---|
| 8, Wickford Drive575 m away | 69 m² | 112 m² | +43 m² +62% | 2026 |
|---|
| Crantock, Noak Hill Road827 m away | 121 m² | 163 m² | +42 m² +35% | 2021 |
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| 88, Hilldene Avenue834 m away | 71 m² | 113 m² | +42 m² +59% | 2014 |
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| 364, Dagnam Park Drive263 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
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| 43, Wigton Road140 m away | 117 m² | 155 m² | +38 m² +32% | 2018 |
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| 23, Priory Grove385 m away | 160 m² | 198 m² | +38 m² +24% | 2014 |
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| 31, Hailsham Road828 m away | 81 m² | 118 m² | +37 m² +46% | 2026 |
|---|
| 11, Dorking Road382 m away | 148 m² | 185 m² | +37 m² +25% | 2025 |
|---|
| 86, Dewsbury Road764 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
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| 2, Collerne Street489 m away | 87 m² | 123 m² | +36 m² +41% | 2025 |
|---|
| 1, Dunstable Close979 m away | 85 m² | 120 m² | +35 m² +41% | 2026 |
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| 37, Broseley Gardens50 m away | 84 m² | 119 m² | +35 m² +42% | 2025 |
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| 1, Leigh Drive663 m away | 74 m² | 108 m² | +34 m² +46% | 2026 |
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| 52, Cricklade Avenue990 m away | 89 m² | 123 m² | +34 m² +38% | 2023 |
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| 137, Chippenham Road533 m away | 88 m² | 121 m² | +33 m² +38% | 2014 |
|---|
| 23, Dewsbury Road779 m away | 68 m² | 100 m² | +32 m² +47% | 2026 |
|---|
| 19, North Hill Drive350 m away | 72 m² | 104 m² | +32 m² +44% | 2023 |
|---|
| 10, Petersfield Avenue734 m away | 71 m² | 103 m² | +32 m² +45% | 2023 |
|---|
| 62, Ashbourne Road809 m away | 92 m² | 124 m² | +32 m² +35% | 2014 |
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| 9, The Mount977 m away | 78 m² | 110 m² | +32 m² +41% | 2014 |
|---|
| 175, Whitchurch Road349 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 14, Dewsbury Gardens814 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
|---|
| 180, Bridgwater Road591 m away | 93 m² | 124 m² | +31 m² +33% | 2020 |
|---|
| 14, Sudbury Close469 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
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| 62, Tring Gardens311 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
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| 90, North Hill Drive448 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
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| 16, Priory Road385 m away | 94 m² | 124 m² | +30 m² +32% | 2022 |
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| 13, Wrexham Road679 m away | 105 m² | 135 m² | +30 m² +29% | 2022 |
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| 8, Small Heath Avenue966 m away | 74 m² | 103 m² | +29 m² +39% | 2026 |
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| 40, Amersham Road949 m away | 64 m² | 93 m² | +29 m² +45% | 2024 |
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| 33, Montgomery Crescent859 m away | 79 m² | 108 m² | +29 m² +37% | 2023 |
|---|
| 66, North Hill Drive448 m away | 70 m² | 99 m² | +29 m² +41% | 2013 |
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| 15, Swindon Lane602 m away | 70 m² | 97 m² | +27 m² +39% | 2026 |
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| Greystones, Noak Hill Road827 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
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| 9, Priory Path455 m away | 105 m² | 132 m² | +27 m² +26% | 2019 |
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| 19, Tees Drive473 m away | 77 m² | 104 m² | +27 m² +35% | 2015 |
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| 356, Dagnam Park Drive263 m away | 111 m² | 138 m² | +27 m² +24% | 2012 |
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| 12, Chepstow House, Leamington Road953 m away | 41 m² | 67 m² | +26 m² +63% | 2023 |
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| 108, Chippenham Road533 m away | 71 m² | 97 m² | +26 m² +37% | 2021 |
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| 3, Dorking Rise322 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 34, Sedgefield Crescent673 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
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| 74, Amersham Road949 m away | 101 m² | 126 m² | +25 m² +25% | 2025 |
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| 12, Wincanton Road742 m away | 146 m² | 171 m² | +25 m² +17% | 2013 |
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| 9, Broseley Road0 m away | 108 m² | 132 m² | +24 m² +22% | 2022 |
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| 31, Dudley Road972 m away | 70 m² | 94 m² | +24 m² +34% | 2013 |
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| 2, Oldmead Close638 m away | 89 m² | 112 m² | +23 m² +26% | 2025 |
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| 111, Amersham Road838 m away | 102 m² | 125 m² | +23 m² +23% | 2025 |
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| 39, Edenhall Road954 m away | 71 m² | 93 m² | +22 m² +31% | 2026 |
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| 41, Edenhall Road954 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
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| 41, Tring Gardens311 m away | 91 m² | 113 m² | +22 m² +24% | 2019 |
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| 1, Priory Path455 m away | 111 m² | 133 m² | +22 m² +20% | 2018 |
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| 17, Priory Grove385 m away | 118 m² | 139 m² | +21 m² +18% | 2023 |
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| 19, Ashbourne Road695 m away | 86 m² | 107 m² | +21 m² +24% | 2022 |
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| 13, Chippenham Close517 m away | 68 m² | 89 m² | +21 m² +31% | 2017 |
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| 31, Priory Road591 m away | 121 m² | 142 m² | +21 m² +17% | 2014 |
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| 16, Hailsham Close891 m away | 84 m² | 104 m² | +20 m² +24% | 2026 |
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| 178, Dagnam Park Drive568 m away | 88 m² | 108 m² | +20 m² +23% | 2020 |
|---|
| 58, Montgomery Crescent502 m away | 62 m² | 82 m² | +20 m² +32% | 2019 |
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| 262, Hilldene Avenue469 m away | 76 m² | 96 m² | +20 m² +26% | 2015 |
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| 95, Dorking Road320 m away | 80 m² | 100 m² | +20 m² +25% | 2014 |
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| 26, The Mount977 m away | 94 m² | 113 m² | +19 m² +20% | 2020 |
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| 217, Gooshays Drive428 m away | 82 m² | 101 m² | +19 m² +23% | 2018 |
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| 123, Sevenoaks Close863 m away | 44 m² | 63 m² | +19 m² +43% | 2014 |
|---|
| 64, Amersham Road949 m away | 69 m² | 87 m² | +18 m² +26% | 2021 |
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| 7, Barnstaple Road635 m away | 83 m² | 100 m² | +17 m² +20% | 2022 |
|---|
| 17, Preston Road539 m away | 81 m² | 98 m² | +17 m² +21% | 2014 |
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| 1, Leamington Road945 m away | 67 m² | 84 m² | +17 m² +25% | 2014 |
|---|
| 41, Montgomery Crescent859 m away | 106 m² | 122 m² | +16 m² +15% | 2022 |
|---|
| 58, Farnham Road711 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 156, Whitchurch Road418 m away | 70 m² | 86 m² | +16 m² +23% | 2019 |
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| 50, Dudley Road924 m away | 32 m² | 48 m² | +16 m² +50% | 2013 |
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| 7, Bernwelle Avenue586 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
|---|
| 11, The Mount977 m away | 99 m² | 114 m² | +15 m² +15% | 2023 |
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| 52, Sedgefield Crescent673 m away | 63 m² | 78 m² | +15 m² +24% | 2022 |
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| 20, Dunstable Road931 m away | 70 m² | 85 m² | +15 m² +21% | 2021 |
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| 283, Dagnam Park Drive422 m away | 87 m² | 102 m² | +15 m² +17% | 2020 |
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| 75, Bridgwater Road591 m away | 84 m² | 99 m² | +15 m² +18% | 2018 |
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| 3, Kirkham House, Montgomery Crescent596 m away | 60 m² | 75 m² | +15 m² +25% | 2018 |
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