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 9DJ
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 Road525 m away | 81 m² | 176 m² | +95 m² +117% | 2014 |
| 103, Chippenham Road421 m away | 94 m² | 188 m² | +94 m² +100% | 2024 |
| 34, Priory Road646 m away | 161 m² | 243 m² | +82 m² +51% | 2016 |
| 80, Paines Brook Way759 m away | 71 m² | 147 m² | +76 m² +107% | 2020 |
| 50, Halesworth Road837 m away | 69 m² | 128 m² | +59 m² +86% | 2025 |
| 19, Newbury Road631 m away | 84 m² | 142 m² | +58 m² +69% | 2025 |
| 17, Bernwelle Avenue427 m away | 90 m² | 145 m² | +55 m² +61% | 2025 |
| 20, Harlesden Close990 m away | 73 m² | 128 m² | +55 m² +75% | 2025 |
| 29, Priory Road838 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.
| 107 m² |
| 162 m² |
| +55 m² +51% |
| 2017 |
| 108, Priory Road823 m away | 130 m² | 184 m² | +54 m² +42% | 2022 |
|---|
| 226, Faringdon Avenue582 m away | 88 m² | 142 m² | +54 m² +61% | 2020 |
|---|
| 12, Kingsbridge Road719 m away | 73 m² | 127 m² | +54 m² +74% | 2018 |
|---|
| 60, Whitchurch Road437 m away | 98 m² | 151 m² | +53 m² +54% | 2013 |
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| 6, Kingsbridge Road719 m away | 69 m² | 118 m² | +49 m² +71% | 2026 |
|---|
| 1, Charlbury Close998 m away | 73 m² | 120 m² | +47 m² +64% | 2020 |
|---|
| 4, Guildford Gardens622 m away | 85 m² | 130 m² | +45 m² +53% | 2025 |
|---|
| 14, Meadfarm Close321 m away | 87 m² | 131 m² | +44 m² +51% | 2025 |
|---|
| 8, Wickford Drive681 m away | 69 m² | 112 m² | +43 m² +62% | 2026 |
|---|
| Crantock, Noak Hill Road924 m away | 121 m² | 163 m² | +42 m² +35% | 2021 |
|---|
| 88, Hilldene Avenue602 m away | 71 m² | 113 m² | +42 m² +59% | 2014 |
|---|
| 364, Dagnam Park Drive0 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 37, Appleby Drive976 m away | 40 m² | 81 m² | +41 m² +102% | 2013 |
|---|
| 21, Longtown Road916 m away | 76 m² | 114 m² | +38 m² +50% | 2025 |
|---|
| 43, Wigton Road394 m away | 117 m² | 155 m² | +38 m² +32% | 2018 |
|---|
| 23, Priory Grove636 m away | 160 m² | 198 m² | +38 m² +24% | 2014 |
|---|
| 31, Hailsham Road687 m away | 81 m² | 118 m² | +37 m² +46% | 2026 |
|---|
| 11, Dorking Road393 m away | 148 m² | 185 m² | +37 m² +25% | 2025 |
|---|
| 86, Dewsbury Road509 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
|---|
| 2, Collerne Street354 m away | 87 m² | 123 m² | +36 m² +41% | 2025 |
|---|
| 1, Dunstable Close722 m away | 85 m² | 120 m² | +35 m² +41% | 2026 |
|---|
| 37, Broseley Gardens311 m away | 84 m² | 119 m² | +35 m² +42% | 2025 |
|---|
| 1, Leigh Drive605 m away | 74 m² | 108 m² | +34 m² +46% | 2026 |
|---|
| 52, Cricklade Avenue731 m away | 89 m² | 123 m² | +34 m² +38% | 2023 |
|---|
| 137, Chippenham Road270 m away | 88 m² | 121 m² | +33 m² +38% | 2014 |
|---|
| 23, Dewsbury Road544 m away | 68 m² | 100 m² | +32 m² +47% | 2026 |
|---|
| 19, North Hill Drive144 m away | 72 m² | 104 m² | +32 m² +44% | 2023 |
|---|
| 10, Petersfield Avenue588 m away | 71 m² | 103 m² | +32 m² +45% | 2023 |
|---|
| 1, Charlbury Crescent970 m away | 73 m² | 105 m² | +32 m² +44% | 2017 |
|---|
| 62, Ashbourne Road769 m away | 92 m² | 124 m² | +32 m² +35% | 2014 |
|---|
| 10, Lancing Road982 m away | 87 m² | 118 m² | +31 m² +36% | 2025 |
|---|
| 175, Whitchurch Road445 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 14, Dewsbury Gardens562 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
|---|
| 180, Bridgwater Road389 m away | 93 m² | 124 m² | +31 m² +33% | 2020 |
|---|
| 14, Sudbury Close286 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
|---|
| 90, North Hill Drive344 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
|---|
| 62, Tring Gardens502 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
|---|
| 69, Charlbury Crescent970 m away | 84 m² | 114 m² | +30 m² +36% | 2024 |
|---|
| 16, Priory Road646 m away | 94 m² | 124 m² | +30 m² +32% | 2022 |
|---|
| 13, Wrexham Road824 m away | 105 m² | 135 m² | +30 m² +29% | 2022 |
|---|
| 8, Small Heath Avenue843 m away | 74 m² | 103 m² | +29 m² +39% | 2026 |
|---|
| 40, Amersham Road808 m away | 64 m² | 93 m² | +29 m² +45% | 2024 |
|---|
| 33, Montgomery Crescent669 m away | 79 m² | 108 m² | +29 m² +37% | 2023 |
|---|
| 66, North Hill Drive344 m away | 70 m² | 99 m² | +29 m² +41% | 2013 |
|---|
| 15, Swindon Lane675 m away | 70 m² | 97 m² | +27 m² +39% | 2026 |
|---|
| Greystones, Noak Hill Road924 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
|---|
| 14, Keighley Road992 m away | 83 m² | 110 m² | +27 m² +33% | 2025 |
|---|
| 9, Priory Path707 m away | 105 m² | 132 m² | +27 m² +26% | 2019 |
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| 19, Tees Drive646 m away | 77 m² | 104 m² | +27 m² +35% | 2015 |
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| 356, Dagnam Park Drive0 m away | 111 m² | 138 m² | +27 m² +24% | 2012 |
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| 12, Chepstow House, Leamington Road975 m away | 41 m² | 67 m² | +26 m² +63% | 2023 |
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| 108, Chippenham Road270 m away | 71 m² | 97 m² | +26 m² +37% | 2021 |
|---|
| 3, Dorking Rise379 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 74, Amersham Road808 m away | 101 m² | 126 m² | +25 m² +25% | 2025 |
|---|
| 34, Sedgefield Crescent841 m away | 69 m² | 94 m² | +25 m² +36% | 2025 |
|---|
| 12, Wincanton Road880 m away | 146 m² | 171 m² | +25 m² +17% | 2013 |
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| 9, Broseley Road263 m away | 108 m² | 132 m² | +24 m² +22% | 2022 |
|---|
| 31, Dudley Road710 m away | 70 m² | 94 m² | +24 m² +34% | 2013 |
|---|
| 2, Oldmead Close480 m away | 89 m² | 112 m² | +23 m² +26% | 2025 |
|---|
| 111, Amersham Road689 m away | 102 m² | 125 m² | +23 m² +23% | 2025 |
|---|
| 39, Edenhall Road789 m away | 71 m² | 93 m² | +22 m² +31% | 2026 |
|---|
| 14, Amersham Road968 m away | 86 m² | 108 m² | +22 m² +26% | 2023 |
|---|
| 41, Edenhall Road789 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
|---|
| 41, Tring Gardens502 m away | 91 m² | 113 m² | +22 m² +24% | 2019 |
|---|
| 1, Priory Path707 m away | 111 m² | 133 m² | +22 m² +20% | 2018 |
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| 7, Honeysuckle Close932 m away | 76 m² | 98 m² | +22 m² +29% | 2013 |
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| 55, Daventry Road841 m away | 85 m² | 106 m² | +21 m² +25% | 2025 |
|---|
| 17, Priory Grove636 m away | 118 m² | 139 m² | +21 m² +18% | 2023 |
|---|
| 19, Ashbourne Road704 m away | 86 m² | 107 m² | +21 m² +24% | 2022 |
|---|
| 13, Chippenham Close266 m away | 68 m² | 89 m² | +21 m² +31% | 2017 |
|---|
| 31, Priory Road838 m away | 121 m² | 142 m² | +21 m² +17% | 2014 |
|---|
| 16, Hailsham Close727 m away | 84 m² | 104 m² | +20 m² +24% | 2026 |
|---|
| 178, Dagnam Park Drive700 m away | 88 m² | 108 m² | +20 m² +23% | 2020 |
|---|
| 58, Montgomery Crescent350 m away | 62 m² | 82 m² | +20 m² +32% | 2019 |
|---|
| 262, Hilldene Avenue227 m away | 76 m² | 96 m² | +20 m² +26% | 2015 |
|---|
| 95, Dorking Road197 m away | 80 m² | 100 m² | +20 m² +25% | 2014 |
|---|
| 217, Gooshays Drive170 m away | 82 m² | 101 m² | +19 m² +23% | 2018 |
|---|
| 123, Sevenoaks Close757 m away | 44 m² | 63 m² | +19 m² +43% | 2014 |
|---|
| 3, Amersham Road968 m away | 92 m² | 111 m² | +19 m² +21% | 2010 |
|---|
| 64, Amersham Road808 m away | 69 m² | 87 m² | +18 m² +26% | 2021 |
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| 26, Leyburn Crescent963 m away | 86 m² | 104 m² | +18 m² +21% | 2020 |
|---|
| 149, Daventry Road919 m away | 68 m² | 86 m² | +18 m² +26% | 2013 |
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| 84, Daventry Road819 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
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| 7, Barnstaple Road525 m away | 83 m² | 100 m² | +17 m² +20% | 2022 |
|---|
| 17, Preston Road636 m away | 81 m² | 98 m² | +17 m² +21% | 2014 |
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| 1, Leamington Road976 m away | 67 m² | 84 m² | +17 m² +25% | 2014 |
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| 48, Longtown Road816 m away | 82 m² | 98 m² | +16 m² +20% | 2026 |
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| 66, Halesworth Road837 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
|---|
| 41, Montgomery Crescent669 m away | 106 m² | 122 m² | +16 m² +15% | 2022 |
|---|
| 58, Farnham Road461 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 156, Whitchurch Road499 m away | 70 m² | 86 m² | +16 m² +23% | 2019 |
|---|
| 50, Dudley Road663 m away | 32 m² | 48 m² | +16 m² +50% | 2013 |
|---|
| 7, Bernwelle Avenue427 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
|---|
| 52, Sedgefield Crescent841 m away | 63 m² | 78 m² | +15 m² +24% | 2022 |
|---|
| 4, Longtown Close930 m away | 90 m² | 105 m² | +15 m² +17% | 2022 |
|---|
| 30, Appleby Drive976 m away | 54 m² | 69 m² | +15 m² +28% | 2022 |
|---|
| 20, Dunstable Road672 m away | 70 m² | 85 m² | +15 m² +21% | 2021 |
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| 283, Dagnam Park Drive505 m away | 87 m² | 102 m² | +15 m² +17% | 2020 |
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| 75, Bridgwater Road389 m away | 84 m² | 99 m² | +15 m² +18% | 2018 |
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| 3, Kirkham House, Montgomery Crescent452 m away | 60 m² | 75 m² | +15 m² +25% | 2018 |
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| 20, Longtown Close930 m away | 76 m² | 91 m² | +15 m² +20% | 2016 |
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