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 RM13 9TH
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 |
|---|---|---|---|---|
| 111, Lambs Lane South961 m away | 76 m² | 189 m² | +113 m² +149% | 2025 |
| 98, Penerley Road584 m away | 86 m² | 194 m² | +108 m² +126% | 2026 |
| 11, Dominion Way835 m away | 80 m² | 161 m² | +81 m² +101% | 2025 |
| 84, Wennington Road40 m away | 77 m² | 152 m² | +75 m² +97% | 2018 |
| 1, Wentworth Way759 m away | 66 m² | 128 m² | +62 m² +94% | 2025 |
| 27, Brights Avenue594 m away | 76 m² | 137 m² | +61 m² +80% | 2020 |
| 35, Rothbury Avenue689 m away | 87 m² | 142 m² | +55 m² +63% | 2022 |
| 30, Findon Gardens292 m away | 237 m² | 290 m² | +53 m² +22% | 2023 |
| 88, Melville Road198 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.
| 84 m² |
| 134 m² |
| +50 m² +60% |
| 2021 |
| 7, Arterial Avenue902 m away | 84 m² | 132 m² | +48 m² +57% | 2022 |
|---|
| 39, Glebe Road934 m away | 112 m² | 160 m² | +48 m² +43% | 2015 |
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| 262, Wennington Road723 m away | 92 m² | 140 m² | +48 m² +52% | 2014 |
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| 9, Hawthorn Avenue524 m away | 75 m² | 120 m² | +45 m² +60% | 2022 |
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| 20, Wilfred Avenue319 m away | 66 m² | 111 m² | +45 m² +68% | 2021 |
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| 25, Collingwood Road981 m away | 73 m² | 118 m² | +45 m² +62% | 2014 |
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| 41, Findon Gardens292 m away | 87 m² | 130 m² | +43 m² +49% | 2024 |
|---|
| 222, Upminster Road South733 m away | 82 m² | 125 m² | +43 m² +52% | 2022 |
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| 10, Eastwood Drive868 m away | 77 m² | 120 m² | +43 m² +56% | 2015 |
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| 35, Martin Drive523 m away | 70 m² | 113 m² | +43 m² +61% | 2012 |
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| 12, Orchard Avenue829 m away | 84 m² | 125 m² | +41 m² +49% | 2021 |
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| 15, Brights Avenue604 m away | 83 m² | 122 m² | +39 m² +47% | 2024 |
|---|
| 45, Dunedin Road960 m away | 92 m² | 131 m² | +39 m² +42% | 2015 |
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| 67, New Zealand Way916 m away | 109 m² | 148 m² | +39 m² +36% | 2014 |
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| 23, Melville Road227 m away | 111 m² | 149 m² | +38 m² +34% | 2024 |
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| 43, Woodside Close944 m away | 92 m² | 130 m² | +38 m² +41% | 2024 |
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| 65, New Zealand Way953 m away | 123 m² | 159 m² | +36 m² +29% | 2025 |
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| 112, Wennington Road230 m away | 84 m² | 120 m² | +36 m² +43% | 2023 |
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| 17, Cowper Road170 m away | 79 m² | 114 m² | +35 m² +44% | 2026 |
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| 137a, Wennington Road156 m away | 51 m² | 86 m² | +35 m² +69% | 2023 |
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| 41, Penerley Road744 m away | 79 m² | 114 m² | +35 m² +44% | 2015 |
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| 125, Lambs Lane South961 m away | 107 m² | 142 m² | +35 m² +33% | 2010 |
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| 66, Collingwood Road981 m away | 82 m² | 116 m² | +34 m² +41% | 2024 |
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| 5a, Crown Parade567 m away | 74 m² | 108 m² | +34 m² +46% | 2021 |
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| 76, Brights Avenue594 m away | 77 m² | 110 m² | +33 m² +43% | 2026 |
|---|
| 122, Upminster Road South320 m away | 92 m² | 125 m² | +33 m² +36% | 2024 |
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| 26, Arterial Avenue775 m away | 36 m² | 69 m² | +33 m² +92% | 2020 |
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| 42, Ellis Avenue187 m away | 58 m² | 91 m² | +33 m² +57% | 2014 |
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| 2b, Ellis Avenue187 m away | 108 m² | 141 m² | +33 m² +31% | 2011 |
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| 6, Penerley Road744 m away | 52 m² | 84 m² | +32 m² +62% | 2025 |
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| 27, South Hall Drive542 m away | 76 m² | 108 m² | +32 m² +42% | 2023 |
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| 19, Waverley Road675 m away | 69 m² | 101 m² | +32 m² +46% | 2017 |
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| 35, Eastwood Drive913 m away | 67 m² | 99 m² | +32 m² +48% | 2016 |
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| 321, Upminster Road North972 m away | 108 m² | 139 m² | +31 m² +29% | 2026 |
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| 4, Penerley Road744 m away | 84 m² | 115 m² | +31 m² +37% | 2023 |
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| 270, Wennington Road723 m away | 105 m² | 136 m² | +31 m² +30% | 2021 |
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| 256, Upminster Road North972 m away | 81 m² | 112 m² | +31 m² +38% | 2018 |
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| 46, New Zealand Way834 m away | 87 m² | 118 m² | +31 m² +36% | 2015 |
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| 3, Woodside Close944 m away | 62 m² | 92 m² | +30 m² +48% | 2025 |
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| 29, Ingrebourne Road444 m away | 128 m² | 158 m² | +30 m² +23% | 2024 |
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| 53, Ingrebourne Road444 m away | 84 m² | 114 m² | +30 m² +36% | 2020 |
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| 21, Blewitts Cottages, New Road995 m away | 48 m² | 78 m² | +30 m² +63% | 2017 |
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| 28, The Glen793 m away | 82 m² | 111 m² | +29 m² +35% | 2026 |
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| 5, Glebe Road934 m away | 94 m² | 121 m² | +27 m² +29% | 2020 |
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| 17, West Close306 m away | 86 m² | 112 m² | +26 m² +30% | 2023 |
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| 1, Davies Close935 m away | 134 m² | 160 m² | +26 m² +19% | 2022 |
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| 9, Lance Street669 m away | 95 m² | 121 m² | +26 m² +27% | 2020 |
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| 8, Huntland Close779 m away | 73 m² | 99 m² | +26 m² +36% | 2018 |
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| 26, Penerley Road744 m away | 86 m² | 112 m² | +26 m² +30% | 2015 |
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| 65, Ingrebourne Road444 m away | 66 m² | 91 m² | +25 m² +38% | 2026 |
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| 138, Rothbury Avenue641 m away | 111 m² | 136 m² | +25 m² +23% | 2026 |
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| 30, Ellis Avenue187 m away | 79 m² | 104 m² | +25 m² +32% | 2021 |
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| 27, Ellis Avenue187 m away | 72 m² | 97 m² | +25 m² +35% | 2016 |
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| 3, Waverley Road675 m away | 63 m² | 88 m² | +25 m² +40% | 2010 |
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| 2, Glebe Road934 m away | 94 m² | 119 m² | +25 m² +27% | 2009 |
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| 158, Wennington Road422 m away | 90 m² | 114 m² | +24 m² +27% | 2018 |
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| 6, Ashwood Avenue448 m away | 66 m² | 90 m² | +24 m² +36% | 2018 |
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| 55a, Dunedin Road787 m away | 56 m² | 79 m² | +23 m² +41% | 2026 |
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| 15, Blewitts Cottages, New Road995 m away | 75 m² | 98 m² | +23 m² +31% | 2025 |
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| 102, Cowper Road147 m away | 68 m² | 91 m² | +23 m² +34% | 2023 |
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| 128, Wennington Road422 m away | 63 m² | 86 m² | +23 m² +37% | 2023 |
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| 23, Wilfred Avenue319 m away | 66 m² | 89 m² | +23 m² +35% | 2019 |
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| 21, Grangewood Avenue797 m away | 77 m² | 100 m² | +23 m² +30% | 2010 |
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| 38, New Zealand Way916 m away | 90 m² | 112 m² | +22 m² +24% | 2022 |
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| 12, Ferro Road116 m away | 75 m² | 96 m² | +21 m² +28% | 2018 |
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| 24, West Close306 m away | 87 m² | 107 m² | +20 m² +23% | 2023 |
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| 105, New Zealand Way834 m away | 76 m² | 96 m² | +20 m² +26% | 2023 |
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| 81, Dunedin Road787 m away | 92 m² | 112 m² | +20 m² +22% | 2022 |
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| 84, Melville Road198 m away | 44 m² | 63 m² | +19 m² +43% | 2024 |
|---|
| 135a, Wennington Road156 m away | 59 m² | 78 m² | +19 m² +32% | 2021 |
|---|
| 61, Wennington Road0 m away | 77 m² | 96 m² | +19 m² +25% | 2015 |
|---|
| 35, Collingwood Road981 m away | 95 m² | 114 m² | +19 m² +20% | 2014 |
|---|
| 23, Cowper Road170 m away | 81 m² | 99 m² | +18 m² +22% | 2025 |
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| 35, Blewitts Cottages, New Road995 m away | 91 m² | 109 m² | +18 m² +20% | 2023 |
|---|
| 20, Melville Road198 m away | 81 m² | 98 m² | +17 m² +21% | 2026 |
|---|
| 81, Wentworth Way662 m away | 80 m² | 97 m² | +17 m² +21% | 2026 |
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| 6, Ingrebourne Road386 m away | 87 m² | 104 m² | +17 m² +20% | 2023 |
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| 12, Dunedin Road787 m away | 99 m² | 116 m² | +17 m² +17% | 2023 |
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| 90, Rothbury Avenue641 m away | 74 m² | 91 m² | +17 m² +23% | 2019 |
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| 47, Wentworth Way759 m away | 70 m² | 87 m² | +17 m² +24% | 2013 |
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| 18, Regna Close426 m away | 81 m² | 97 m² | +16 m² +20% | 2026 |
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| 11, Collingwood Road981 m away | 73 m² | 89 m² | +16 m² +22% | 2020 |
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| 11, Regna Close426 m away | 88 m² | 104 m² | +16 m² +18% | 2019 |
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| 9, Crammerville Walk641 m away | 80 m² | 96 m² | +16 m² +20% | 2018 |
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| 11, Sunningdale Avenue725 m away | 71 m² | 87 m² | +16 m² +23% | 2010 |
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| 30, Blewitts Cottages, New Road995 m away | 81 m² | 96 m² | +15 m² +19% | 2026 |
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| 77, Wentworth Way662 m away | 77 m² | 92 m² | +15 m² +19% | 2022 |
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| 32, Brights Avenue594 m away | 76 m² | 91 m² | +15 m² +20% | 2015 |
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| 6, Chapel Lodge377 m away | 31 m² | 46 m² | +15 m² +48% | 2011 |
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