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 8JB
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 Road677 m away | 81 m² | 176 m² | +95 m² +117% | 2014 |
| 103, Chippenham Road251 m away | 94 m² | 188 m² | +94 m² +100% | 2024 |
| 101, Neave Crescent934 m away | 78 m² | 168 m² | +90 m² +115% | 2014 |
| 87, Coltsfoot Path461 m away | 77 m² | 152 m² | +75 m² +97% | 2025 |
| 18, Camborne Avenue811 m away | 70 m² | 138 m² | +68 m² +97% | 2015 |
| 16, Barberry Close421 m away | 112 m² | 173 m² | +61 m² +54% | 2023 |
| 50, Halesworth Road779 m away | 69 m² | 128 m² | +59 m² +86% | 2025 |
| 19, Newbury Road181 m away | 84 m² | 142 m² | +58 m² +69% | 2025 |
| 296, Straight Road582 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.
| 74 m² |
| 132 m² |
| +58 m² +78% |
| 2015 |
| 17, Bernwelle Avenue702 m away | 90 m² | 145 m² | +55 m² +61% | 2025 |
|---|
| 226, Faringdon Avenue642 m away | 88 m² | 142 m² | +54 m² +61% | 2020 |
|---|
| 12, Kingsbridge Road594 m away | 73 m² | 127 m² | +54 m² +74% | 2018 |
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| 40, Heaton Close878 m away | 64 m² | 116 m² | +52 m² +81% | 2020 |
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| 33, Sheridan Close708 m away | 137 m² | 189 m² | +52 m² +38% | 2015 |
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| 6, Kingsbridge Road594 m away | 69 m² | 118 m² | +49 m² +71% | 2026 |
|---|
| 1, Charlbury Close432 m away | 73 m² | 120 m² | +47 m² +64% | 2020 |
|---|
| 4, Guildford Gardens454 m away | 85 m² | 130 m² | +45 m² +53% | 2025 |
|---|
| 14, Meadfarm Close724 m away | 87 m² | 131 m² | +44 m² +51% | 2025 |
|---|
| 88, Hilldene Avenue267 m away | 71 m² | 113 m² | +42 m² +59% | 2014 |
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| 353, Straight Road811 m away | 83 m² | 124 m² | +41 m² +49% | 2024 |
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| 364, Dagnam Park Drive672 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 81, Heaton Avenue991 m away | 49 m² | 90 m² | +41 m² +84% | 2019 |
|---|
| 37, Appleby Drive771 m away | 40 m² | 81 m² | +41 m² +102% | 2013 |
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| 73, Camborne Avenue811 m away | 83 m² | 123 m² | +40 m² +48% | 2025 |
|---|
| 21, Longtown Road550 m away | 76 m² | 114 m² | +38 m² +50% | 2025 |
|---|
| 29, Heaton Avenue861 m away | 60 m² | 98 m² | +38 m² +63% | 2024 |
|---|
| 31, Hailsham Road638 m away | 81 m² | 118 m² | +37 m² +46% | 2026 |
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| 86, Dewsbury Road322 m away | 93 m² | 130 m² | +37 m² +40% | 2025 |
|---|
| 11, Dorking Road846 m away | 148 m² | 185 m² | +37 m² +25% | 2025 |
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| 2, Collerne Street739 m away | 87 m² | 123 m² | +36 m² +41% | 2025 |
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| 1, Dunstable Close65 m away | 85 m² | 120 m² | +35 m² +41% | 2026 |
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| 37, Broseley Gardens981 m away | 84 m² | 119 m² | +35 m² +42% | 2025 |
|---|
| 1, Leigh Drive813 m away | 74 m² | 108 m² | +34 m² +46% | 2026 |
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| 52, Cricklade Avenue264 m away | 89 m² | 123 m² | +34 m² +38% | 2023 |
|---|
| 137, Chippenham Road415 m away | 88 m² | 121 m² | +33 m² +38% | 2014 |
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| 23, Dewsbury Road457 m away | 68 m² | 100 m² | +32 m² +47% | 2026 |
|---|
| 18, Heaton Close878 m away | 66 m² | 98 m² | +32 m² +48% | 2026 |
|---|
| 19, North Hill Drive599 m away | 72 m² | 104 m² | +32 m² +44% | 2023 |
|---|
| 10, Petersfield Avenue783 m away | 71 m² | 103 m² | +32 m² +45% | 2023 |
|---|
| 1, Charlbury Crescent391 m away | 73 m² | 105 m² | +32 m² +44% | 2017 |
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| 4, Harrow Crescent961 m away | 69 m² | 101 m² | +32 m² +46% | 2016 |
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| 175, Straight Road649 m away | 52 m² | 84 m² | +32 m² +62% | 2014 |
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| 23, Grange Road855 m away | 72 m² | 104 m² | +32 m² +44% | 2014 |
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| 62, Ashbourne Road934 m away | 92 m² | 124 m² | +32 m² +35% | 2014 |
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| 10, Lancing Road835 m away | 87 m² | 118 m² | +31 m² +36% | 2025 |
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| 175, Whitchurch Road966 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 14, Dewsbury Gardens342 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
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| 180, Bridgwater Road453 m away | 93 m² | 124 m² | +31 m² +33% | 2020 |
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| 14, Sudbury Close647 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
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| 69, Charlbury Crescent391 m away | 84 m² | 114 m² | +30 m² +36% | 2024 |
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| 90, North Hill Drive674 m away | 90 m² | 120 m² | +30 m² +33% | 2024 |
|---|
| 24, Heaton Way762 m away | 96 m² | 126 m² | +30 m² +31% | 2018 |
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| 8, Small Heath Avenue769 m away | 74 m² | 103 m² | +29 m² +39% | 2026 |
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| 4, Briar Road584 m away | 71 m² | 100 m² | +29 m² +41% | 2025 |
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| 40, Amersham Road908 m away | 64 m² | 93 m² | +29 m² +45% | 2024 |
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| 33, Montgomery Crescent466 m away | 79 m² | 108 m² | +29 m² +37% | 2023 |
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| 66, North Hill Drive674 m away | 70 m² | 99 m² | +29 m² +41% | 2013 |
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| 14, Keighley Road755 m away | 83 m² | 110 m² | +27 m² +33% | 2025 |
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| 5, Whitworth Avenue865 m away | 68 m² | 95 m² | +27 m² +40% | 2024 |
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| 356, Dagnam Park Drive672 m away | 111 m² | 138 m² | +27 m² +24% | 2012 |
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| 4, Camborne Way972 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 37, Pearcy Close947 m away | 89 m² | 115 m² | +26 m² +29% | 2023 |
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| 108, Chippenham Road415 m away | 71 m² | 97 m² | +26 m² +37% | 2021 |
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| 3, Dorking Rise891 m away | 88 m² | 113 m² | +25 m² +28% | 2026 |
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| 74, Amersham Road908 m away | 101 m² | 126 m² | +25 m² +25% | 2025 |
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| 4, Dock Walk829 m away | 68 m² | 93 m² | +25 m² +37% | 2024 |
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| 1a, Grange Road703 m away | 50 m² | 74 m² | +24 m² +48% | 2026 |
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| 9, Broseley Road931 m away | 108 m² | 132 m² | +24 m² +22% | 2022 |
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| 30, Meynell Road838 m away | 75 m² | 99 m² | +24 m² +32% | 2015 |
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| 31, Dudley Road123 m away | 70 m² | 94 m² | +24 m² +34% | 2013 |
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| 1, Gascoyne Close814 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
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| 2, Oldmead Close717 m away | 89 m² | 112 m² | +23 m² +26% | 2025 |
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| 111, Amersham Road819 m away | 102 m² | 125 m² | +23 m² +23% | 2025 |
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| 13, Stanwyck Gardens852 m away | 73 m² | 96 m² | +23 m² +32% | 2024 |
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| 6, Heaton Avenue770 m away | 75 m² | 98 m² | +23 m² +31% | 2023 |
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| 189, Straight Road649 m away | 69 m² | 92 m² | +23 m² +33% | 2011 |
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| 139, Briar Road508 m away | 95 m² | 117 m² | +22 m² +23% | 2026 |
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| 39, Edenhall Road604 m away | 71 m² | 93 m² | +22 m² +31% | 2026 |
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| 41, Edenhall Road604 m away | 79 m² | 101 m² | +22 m² +28% | 2022 |
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| 148, Grange Road966 m away | 58 m² | 80 m² | +22 m² +38% | 2019 |
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| 7, Honeysuckle Close261 m away | 76 m² | 98 m² | +22 m² +29% | 2013 |
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| 55, Daventry Road442 m away | 85 m² | 106 m² | +21 m² +25% | 2025 |
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| 19, Ashbourne Road993 m away | 86 m² | 107 m² | +21 m² +24% | 2022 |
|---|
| 14, Stanwyck Gardens852 m away | 72 m² | 93 m² | +21 m² +29% | 2018 |
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| 13, Chippenham Close419 m away | 68 m² | 89 m² | +21 m² +31% | 2017 |
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| 76, Veronica Close669 m away | 29 m² | 50 m² | +21 m² +72% | 2014 |
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| 16, Hailsham Close580 m away | 84 m² | 104 m² | +20 m² +24% | 2026 |
|---|
| 58, Montgomery Crescent584 m away | 62 m² | 82 m² | +20 m² +32% | 2019 |
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| 262, Hilldene Avenue471 m away | 76 m² | 96 m² | +20 m² +26% | 2015 |
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| 95, Dorking Road676 m away | 80 m² | 100 m² | +20 m² +25% | 2014 |
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| 1, Pearcy Close947 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 9, Camborne Terrace610 m away | 124 m² | 143 m² | +19 m² +15% | 2022 |
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| 2, Camborne Terrace610 m away | 124 m² | 143 m² | +19 m² +15% | 2022 |
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| 217, Gooshays Drive527 m away | 82 m² | 101 m² | +19 m² +23% | 2018 |
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| 13, Chaucer Road881 m away | 104 m² | 123 m² | +19 m² +18% | 2015 |
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| 123, Sevenoaks Close770 m away | 44 m² | 63 m² | +19 m² +43% | 2014 |
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| 14, Barberry Close421 m away | 84 m² | 102 m² | +18 m² +21% | 2025 |
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| 16, Mimosa Close715 m away | 95 m² | 113 m² | +18 m² +19% | 2025 |
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| 17, Heaton Avenue861 m away | 114 m² | 132 m² | +18 m² +16% | 2023 |
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| 64, Amersham Road908 m away | 69 m² | 87 m² | +18 m² +26% | 2021 |
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| 26, Leyburn Crescent650 m away | 86 m² | 104 m² | +18 m² +21% | 2020 |
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| 149, Daventry Road647 m away | 68 m² | 86 m² | +18 m² +26% | 2013 |
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| 84, Daventry Road384 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
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| 360, Straight Road732 m away | 71 m² | 88 m² | +17 m² +24% | 2023 |
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| 7, Barnstaple Road677 m away | 83 m² | 100 m² | +17 m² +20% | 2022 |
|---|
| 6, Heaton Close878 m away | 69 m² | 86 m² | +17 m² +25% | 2021 |
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| 12, Tennyson Road999 m away | 60 m² | 77 m² | +17 m² +28% | 2021 |
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| 50, Grange Road855 m away | 58 m² | 75 m² | +17 m² +29% | 2019 |
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| 3, Pontypool Walk400 m away | 85 m² | 102 m² | +17 m² +20% | 2015 |
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| 6, Betony Road349 m away | 72 m² | 89 m² | +17 m² +24% | 2013 |
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| 5, Mimosa Close715 m away | 100 m² | 117 m² | +17 m² +17% | 2013 |
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| 48, Longtown Road530 m away | 82 m² | 98 m² | +16 m² +20% | 2026 |
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| 66, Halesworth Road779 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
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| 41, Montgomery Crescent466 m away | 106 m² | 122 m² | +16 m² +15% | 2022 |
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| 58, Farnham Road240 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 7, Heaton Way762 m away | 82 m² | 98 m² | +16 m² +20% | 2019 |
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| 156, Whitchurch Road981 m away | 70 m² | 86 m² | +16 m² +23% | 2019 |
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| 9, Lavender Close415 m away | 61 m² | 77 m² | +16 m² +26% | 2016 |
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| 50, Dudley Road213 m away | 32 m² | 48 m² | +16 m² +50% | 2013 |
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| 7, Bernwelle Avenue702 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
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| 4, Longtown Close627 m away | 90 m² | 105 m² | +15 m² +17% | 2022 |
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| 30, Appleby Drive771 m away | 54 m² | 69 m² | +15 m² +28% | 2022 |
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| 337, Straight Road811 m away | 96 m² | 111 m² | +15 m² +16% | 2022 |
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| 20, Dunstable Road0 m away | 70 m² | 85 m² | +15 m² +21% | 2021 |
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| 236, Straight Road508 m away | 74 m² | 89 m² | +15 m² +20% | 2020 |
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| 55, Heaton Avenue991 m away | 79 m² | 94 m² | +15 m² +19% | 2020 |
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| 75, Bridgwater Road453 m away | 84 m² | 99 m² | +15 m² +18% | 2018 |
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| 3, Kirkham House, Montgomery Crescent591 m away | 60 m² | 75 m² | +15 m² +25% | 2018 |
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| 20, Longtown Close627 m away | 76 m² | 91 m² | +15 m² +20% | 2016 |
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