Finding extended homes…
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Sign in to keep them on every device →Finding extended homes…
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 8SA
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 |
|---|---|---|---|---|
| 21, Sackville Crescent898 m away | 80 m² | 176 m² | +96 m² +120% | 2024 |
| 22, Barnstaple Road822 m away | 81 m² | 176 m² | +95 m² +117% | 2014 |
| 103, Chippenham Road299 m away | 94 m² | 188 m² | +94 m² +100% | 2024 |
| 101, Neave Crescent960 m away | 78 m² | 168 m² | +90 m² +115% | 2014 |
| 80, Paines Brook Way708 m away | 71 m² | 147 m² | +76 m² +107% | 2020 |
| 87, Coltsfoot Path628 m away | 77 m² | 152 m² | +75 m² +97% | 2025 |
| 11, Alverstoke Road749 m away | 70 m² | 142 m² | +72 m² +103% | 2022 |
| 87, Arlington Gardens986 m away | 59 m² | 129 m² | +70 m² +119% | 2023 |
| 41, Newhall Drive975 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.
| 101 m² |
| 170 m² |
| +69 m² +68% |
| 2018 |
| 18, Camborne Avenue552 m away | 70 m² | 138 m² | +68 m² +97% | 2015 |
|---|
| 38, Newhall Drive975 m away | 88 m² | 151 m² | +63 m² +72% | 2026 |
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| 16, Barberry Close668 m away | 112 m² | 173 m² | +61 m² +54% | 2023 |
|---|
| 50, Halesworth Road453 m away | 69 m² | 128 m² | +59 m² +86% | 2025 |
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| 19, Newbury Road472 m away | 84 m² | 142 m² | +58 m² +69% | 2025 |
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| 296, Straight Road922 m away | 74 m² | 132 m² | +58 m² +78% | 2015 |
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| 17, Bernwelle Avenue401 m away | 90 m² | 145 m² | +55 m² +61% | 2025 |
|---|
| 20, Harlesden Close675 m away | 73 m² | 128 m² | +55 m² +75% | 2025 |
|---|
| 226, Faringdon Avenue301 m away | 88 m² | 142 m² | +54 m² +61% | 2020 |
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| 12, Kingsbridge Road269 m away | 73 m² | 127 m² | +54 m² +74% | 2018 |
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| 60, Whitchurch Road990 m away | 98 m² | 151 m² | +53 m² +54% | 2013 |
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| 33, Sheridan Close991 m away | 137 m² | 189 m² | +52 m² +38% | 2015 |
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| 24, Sunnydene Close965 m away | 72 m² | 123 m² | +51 m² +71% | 2014 |
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| 6, Kingsbridge Road269 m away | 69 m² | 118 m² | +49 m² +71% | 2026 |
|---|
| 1, Charlbury Close774 m away | 73 m² | 120 m² | +47 m² +64% | 2020 |
|---|
| 6, St Neots Road823 m away | 58 m² | 104 m² | +46 m² +79% | 2026 |
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| 4, Guildford Gardens122 m away | 85 m² | 130 m² | +45 m² +53% | 2025 |
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| 14, Meadfarm Close463 m away | 87 m² | 131 m² | +44 m² +51% | 2025 |
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| 8, Wickford Drive982 m away | 69 m² | 112 m² | +43 m² +62% | 2026 |
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| 88, Hilldene Avenue530 m away | 71 m² | 113 m² | +42 m² +59% | 2014 |
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| 364, Dagnam Park Drive562 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 46, Colne Drive951 m away | 65 m² | 106 m² | +41 m² +63% | 2021 |
|---|
| 73, Camborne Avenue552 m away | 83 m² | 123 m² | +40 m² +48% | 2025 |
|---|
| 21, Longtown Road870 m away | 76 m² | 114 m² | +38 m² +50% | 2025 |
|---|
| 43, Wigton Road952 m away | 117 m² | 155 m² | +38 m² +32% | 2018 |
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| 31, Hailsham Road862 m away | 81 m² | 118 m² | +37 m² +46% | 2026 |
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| 86, Dewsbury Road61 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
|---|
| 11, Dorking Road878 m away | 148 m² | 185 m² | +37 m² +25% | 2025 |
|---|
| 2, Collerne Street466 m away | 87 m² | 123 m² | +36 m² +41% | 2025 |
|---|
| 1, Dunstable Close405 m away | 85 m² | 120 m² | +35 m² +41% | 2026 |
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| 37, Broseley Gardens858 m away | 84 m² | 119 m² | +35 m² +42% | 2025 |
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| 1, Leigh Drive954 m away | 74 m² | 108 m² | +34 m² +46% | 2026 |
|---|
| 52, Cricklade Avenue199 m away | 89 m² | 123 m² | +34 m² +38% | 2023 |
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| 137, Chippenham Road313 m away | 88 m² | 121 m² | +33 m² +38% | 2014 |
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| 23, Dewsbury Road117 m away | 68 m² | 100 m² | +32 m² +47% | 2026 |
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| 10, Petersfield Avenue449 m away | 71 m² | 103 m² | +32 m² +45% | 2023 |
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| 19, North Hill Drive567 m away | 72 m² | 104 m² | +32 m² +44% | 2023 |
|---|
| 1, Charlbury Crescent732 m away | 73 m² | 105 m² | +32 m² +44% | 2017 |
|---|
| 175, Straight Road903 m away | 52 m² | 84 m² | +32 m² +62% | 2014 |
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| 10, Lancing Road540 m away | 87 m² | 118 m² | +31 m² +36% | 2025 |
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| 4, Chelsworth Close940 m away | 87 m² | 118 m² | +31 m² +36% | 2024 |
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| 175, Whitchurch Road971 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
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| 14, Dewsbury Gardens0 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
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| 180, Bridgwater Road571 m away | 93 m² | 124 m² | +31 m² +33% | 2020 |
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| 14, Sudbury Close399 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
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| 69, Charlbury Crescent732 m away | 84 m² | 114 m² | +30 m² +36% | 2024 |
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| 90, North Hill Drive736 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
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| 62, Tring Gardens957 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
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| 4, Briar Road806 m away | 71 m² | 100 m² | +29 m² +41% | 2025 |
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| 40, Amersham Road566 m away | 64 m² | 93 m² | +29 m² +45% | 2024 |
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| 33, Montgomery Crescent723 m away | 79 m² | 108 m² | +29 m² +37% | 2023 |
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| 66, North Hill Drive736 m away | 70 m² | 99 m² | +29 m² +41% | 2013 |
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| 15, Swindon Lane928 m away | 70 m² | 97 m² | +27 m² +39% | 2026 |
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| 14, Keighley Road495 m away | 83 m² | 110 m² | +27 m² +33% | 2025 |
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| 48, Colne Drive951 m away | 65 m² | 92 m² | +27 m² +42% | 2024 |
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| 356, Dagnam Park Drive562 m away | 111 m² | 138 m² | +27 m² +24% | 2012 |
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| 4, Camborne Way686 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 37, Pearcy Close730 m away | 89 m² | 115 m² | +26 m² +29% | 2023 |
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| 108, Chippenham Road313 m away | 71 m² | 97 m² | +26 m² +37% | 2021 |
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| 3, Dorking Rise896 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 74, Amersham Road566 m away | 101 m² | 126 m² | +25 m² +25% | 2025 |
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| 9, Broseley Road814 m away | 108 m² | 132 m² | +24 m² +22% | 2022 |
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| 31, Dudley Road272 m away | 70 m² | 94 m² | +24 m² +34% | 2013 |
|---|
| 1, Gascoyne Close838 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
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| 2, Oldmead Close401 m away | 89 m² | 112 m² | +23 m² +26% | 2025 |
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| 111, Amersham Road478 m away | 102 m² | 125 m² | +23 m² +23% | 2025 |
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| 1, Melksham Close720 m away | 92 m² | 115 m² | +23 m² +25% | 2023 |
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| 6, Heaton Avenue994 m away | 75 m² | 98 m² | +23 m² +31% | 2023 |
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| 189, Straight Road903 m away | 69 m² | 92 m² | +23 m² +33% | 2011 |
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| 139, Briar Road625 m away | 95 m² | 117 m² | +22 m² +23% | 2026 |
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| 39, Edenhall Road874 m away | 71 m² | 93 m² | +22 m² +31% | 2026 |
|---|
| 14, Amersham Road753 m away | 86 m² | 108 m² | +22 m² +26% | 2023 |
|---|
| 41, Edenhall Road874 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
|---|
| 41, Tring Gardens957 m away | 91 m² | 113 m² | +22 m² +24% | 2019 |
|---|
| 7, Honeysuckle Close529 m away | 76 m² | 98 m² | +22 m² +29% | 2013 |
|---|
| 55, Daventry Road763 m away | 85 m² | 106 m² | +21 m² +25% | 2025 |
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| 6, Melksham Green805 m away | 84 m² | 105 m² | +21 m² +25% | 2021 |
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| 13, Chippenham Close419 m away | 68 m² | 89 m² | +21 m² +31% | 2017 |
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| 76, Veronica Close861 m away | 29 m² | 50 m² | +21 m² +72% | 2014 |
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| 16, Hailsham Close833 m away | 84 m² | 104 m² | +20 m² +24% | 2026 |
|---|
| 18, Amersham Close814 m away | 90 m² | 110 m² | +20 m² +22% | 2021 |
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| 58, Montgomery Crescent667 m away | 62 m² | 82 m² | +20 m² +32% | 2019 |
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| 262, Hilldene Avenue464 m away | 76 m² | 96 m² | +20 m² +26% | 2015 |
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| 95, Dorking Road666 m away | 80 m² | 100 m² | +20 m² +25% | 2014 |
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| 1, Pearcy Close730 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 9, Camborne Terrace467 m away | 124 m² | 143 m² | +19 m² +15% | 2022 |
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| 2, Camborne Terrace467 m away | 124 m² | 143 m² | +19 m² +15% | 2022 |
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| 217, Gooshays Drive393 m away | 82 m² | 101 m² | +19 m² +23% | 2018 |
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| 91, Arlington Gardens986 m away | 51 m² | 70 m² | +19 m² +37% | 2016 |
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| 123, Sevenoaks Close985 m away | 44 m² | 63 m² | +19 m² +43% | 2014 |
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| 3, Amersham Road753 m away | 92 m² | 111 m² | +19 m² +21% | 2010 |
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| 14, Barberry Close668 m away | 84 m² | 102 m² | +18 m² +21% | 2025 |
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| 16, Mimosa Close880 m away | 95 m² | 113 m² | +18 m² +19% | 2025 |
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| 20, Melksham Gardens770 m away | 63 m² | 81 m² | +18 m² +29% | 2022 |
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| 64, Amersham Road566 m away | 69 m² | 87 m² | +18 m² +26% | 2021 |
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| 26, Leyburn Crescent428 m away | 86 m² | 104 m² | +18 m² +21% | 2020 |
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| 149, Daventry Road948 m away | 68 m² | 86 m² | +18 m² +26% | 2013 |
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| 84, Daventry Road709 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
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| 7, Barnstaple Road822 m away | 83 m² | 100 m² | +17 m² +20% | 2022 |
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| 3, Pontypool Walk693 m away | 85 m² | 102 m² | +17 m² +20% | 2015 |
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| 6, Betony Road571 m away | 72 m² | 89 m² | +17 m² +24% | 2013 |
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| 5, Mimosa Close880 m away | 100 m² | 117 m² | +17 m² +17% | 2013 |
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| 48, Longtown Road826 m away | 82 m² | 98 m² | +16 m² +20% | 2026 |
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| 66, Halesworth Road453 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
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| 41, Montgomery Crescent723 m away | 106 m² | 122 m² | +16 m² +15% | 2022 |
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| 58, Farnham Road382 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 32, Harris Close803 m away | 79 m² | 95 m² | +16 m² +20% | 2020 |
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| 9, Lavender Close563 m away | 61 m² | 77 m² | +16 m² +26% | 2016 |
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| 50, Dudley Road165 m away | 32 m² | 48 m² | +16 m² +50% | 2013 |
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| 11, Wednesbury Green898 m away | 81 m² | 96 m² | +15 m² +19% | 2025 |
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| 7, Bernwelle Avenue401 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
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| 4, Longtown Close936 m away | 90 m² | 105 m² | +15 m² +17% | 2022 |
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| 20, Dunstable Road342 m away | 70 m² | 85 m² | +15 m² +21% | 2021 |
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| 236, Straight Road826 m away | 74 m² | 89 m² | +15 m² +20% | 2020 |
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| 283, Dagnam Park Drive836 m away | 87 m² | 102 m² | +15 m² +17% | 2020 |
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| 75, Bridgwater Road571 m away | 84 m² | 99 m² | +15 m² +18% | 2018 |
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| 3, Kirkham House, Montgomery Crescent723 m away | 60 m² | 75 m² | +15 m² +25% | 2018 |
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| 20, Longtown Close936 m away | 76 m² | 91 m² | +15 m² +20% | 2016 |
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