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 9TT
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 South810 m away | 76 m² | 189 m² | +113 m² +149% | 2025 |
| 98, Penerley Road509 m away | 86 m² | 194 m² | +108 m² +126% | 2026 |
| 64, Farm Road940 m away | 120 m² | 213 m² | +93 m² +78% | 2024 |
| 11, Dominion Way807 m away | 80 m² | 161 m² | +81 m² +101% | 2025 |
| 84, Wennington Road184 m away | 77 m² | 152 m² | +75 m² +97% | 2018 |
| 43, Parsonage Road942 m away | 69 m² | 141 m² | +72 m² +104% | 2016 |
| 13, Parsonage Road918 m away | 90 m² | 158 m² | +68 m² +76% | 2017 |
| 1, Wentworth Way590 m away | 66 m² | 128 m² | +62 m² +94% | 2025 |
| 27, Brights Avenue432 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.
| 76 m² |
| 137 m² |
| +61 m² +80% |
| 2020 |
| 16, Parsonage Road918 m away | 88 m² | 146 m² | +58 m² +66% | 2025 |
|---|
| 35, Rothbury Avenue670 m away | 87 m² | 142 m² | +55 m² +63% | 2022 |
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| 30, Findon Gardens294 m away | 237 m² | 290 m² | +53 m² +22% | 2023 |
|---|
| 88, Melville Road29 m away | 84 m² | 134 m² | +50 m² +60% | 2021 |
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| 7, Arterial Avenue737 m away | 84 m² | 132 m² | +48 m² +57% | 2022 |
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| 39, Glebe Road766 m away | 112 m² | 160 m² | +48 m² +43% | 2015 |
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| 262, Wennington Road650 m away | 92 m² | 140 m² | +48 m² +52% | 2014 |
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| 9, Hawthorn Avenue368 m away | 75 m² | 120 m² | +45 m² +60% | 2022 |
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| 20, Wilfred Avenue382 m away | 66 m² | 111 m² | +45 m² +68% | 2021 |
|---|
| 25, Collingwood Road960 m away | 73 m² | 118 m² | +45 m² +62% | 2014 |
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| 41, Findon Gardens294 m away | 87 m² | 130 m² | +43 m² +49% | 2024 |
|---|
| 222, Upminster Road South563 m away | 82 m² | 125 m² | +43 m² +52% | 2022 |
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| 10, Eastwood Drive829 m away | 77 m² | 120 m² | +43 m² +56% | 2015 |
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| 35, Martin Drive355 m away | 70 m² | 113 m² | +43 m² +61% | 2012 |
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| 12, Orchard Avenue668 m away | 84 m² | 125 m² | +41 m² +49% | 2021 |
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| 15, Brights Avenue435 m away | 83 m² | 122 m² | +39 m² +47% | 2024 |
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| 67, New Zealand Way925 m away | 109 m² | 148 m² | +39 m² +36% | 2014 |
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| 23, Melville Road70 m away | 111 m² | 149 m² | +38 m² +34% | 2024 |
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| 43, Woodside Close784 m away | 92 m² | 130 m² | +38 m² +41% | 2024 |
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| 65, New Zealand Way976 m away | 123 m² | 159 m² | +36 m² +29% | 2025 |
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| 112, Wennington Road176 m away | 84 m² | 120 m² | +36 m² +43% | 2023 |
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| 17, Cowper Road0 m away | 79 m² | 114 m² | +35 m² +44% | 2026 |
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| 137a, Wennington Road114 m away | 51 m² | 86 m² | +35 m² +69% | 2023 |
|---|
| 41, Penerley Road692 m away | 79 m² | 114 m² | +35 m² +44% | 2015 |
|---|
| 125, Lambs Lane South810 m away | 107 m² | 142 m² | +35 m² +33% | 2010 |
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| Brittany, New Road889 m away | 114 m² | 148 m² | +34 m² +30% | 2025 |
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| 66, Collingwood Road960 m away | 82 m² | 116 m² | +34 m² +41% | 2024 |
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| 5a, Crown Parade398 m away | 74 m² | 108 m² | +34 m² +46% | 2021 |
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| 76, Brights Avenue432 m away | 77 m² | 110 m² | +33 m² +43% | 2026 |
|---|
| 122, Upminster Road South177 m away | 92 m² | 125 m² | +33 m² +36% | 2024 |
|---|
| 26, Arterial Avenue610 m away | 36 m² | 69 m² | +33 m² +92% | 2020 |
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| 17, Parsonage Road918 m away | 84 m² | 117 m² | +33 m² +39% | 2020 |
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| 42, Ellis Avenue254 m away | 58 m² | 91 m² | +33 m² +57% | 2014 |
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| 2b, Ellis Avenue254 m away | 108 m² | 141 m² | +33 m² +31% | 2011 |
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| 6, Penerley Road684 m away | 52 m² | 84 m² | +32 m² +62% | 2025 |
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| 27, South Hall Drive556 m away | 76 m² | 108 m² | +32 m² +42% | 2023 |
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| 19, Waverley Road508 m away | 69 m² | 101 m² | +32 m² +46% | 2017 |
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| 35, Eastwood Drive895 m away | 67 m² | 99 m² | +32 m² +48% | 2016 |
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| 321, Upminster Road North803 m away | 108 m² | 139 m² | +31 m² +29% | 2026 |
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| 4, Penerley Road684 m away | 84 m² | 115 m² | +31 m² +37% | 2023 |
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| 270, Wennington Road650 m away | 105 m² | 136 m² | +31 m² +30% | 2021 |
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| 256, Upminster Road North803 m away | 81 m² | 112 m² | +31 m² +38% | 2018 |
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| 46, New Zealand Way829 m away | 87 m² | 118 m² | +31 m² +36% | 2015 |
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| 3, Woodside Close784 m away | 62 m² | 92 m² | +30 m² +48% | 2025 |
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| 29, Ingrebourne Road294 m away | 128 m² | 158 m² | +30 m² +23% | 2024 |
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| 53, Ingrebourne Road294 m away | 84 m² | 114 m² | +30 m² +36% | 2020 |
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| 28, The Glen648 m away | 82 m² | 111 m² | +29 m² +35% | 2026 |
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| 5, Parsonage Road918 m away | 84 m² | 113 m² | +29 m² +35% | 2025 |
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| 5, Glebe Road766 m away | 94 m² | 121 m² | +27 m² +29% | 2020 |
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| 17, West Close144 m away | 86 m² | 112 m² | +26 m² +30% | 2023 |
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| 1, Davies Close765 m away | 134 m² | 160 m² | +26 m² +19% | 2022 |
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| 8, Huntland Close741 m away | 73 m² | 99 m² | +26 m² +36% | 2018 |
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| 26, Penerley Road684 m away | 86 m² | 112 m² | +26 m² +30% | 2015 |
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| 65, Ingrebourne Road294 m away | 66 m² | 91 m² | +25 m² +38% | 2026 |
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| 138, Rothbury Avenue635 m away | 111 m² | 136 m² | +25 m² +23% | 2026 |
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| 30, Ellis Avenue254 m away | 79 m² | 104 m² | +25 m² +32% | 2021 |
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| 27, Ellis Avenue254 m away | 72 m² | 97 m² | +25 m² +35% | 2016 |
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| 341a, Upminster Road North942 m away | 77 m² | 102 m² | +25 m² +32% | 2014 |
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| 3, Waverley Road508 m away | 63 m² | 88 m² | +25 m² +40% | 2010 |
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| 2, Glebe Road766 m away | 94 m² | 119 m² | +25 m² +27% | 2009 |
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| 6, Ashwood Avenue314 m away | 66 m² | 90 m² | +24 m² +36% | 2018 |
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| 158, Wennington Road338 m away | 90 m² | 114 m² | +24 m² +27% | 2018 |
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| 55a, Dunedin Road814 m away | 56 m² | 79 m² | +23 m² +41% | 2026 |
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| 102, Cowper Road36 m away | 68 m² | 91 m² | +23 m² +34% | 2023 |
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| 128, Wennington Road338 m away | 63 m² | 86 m² | +23 m² +37% | 2023 |
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| 23, Wilfred Avenue382 m away | 66 m² | 89 m² | +23 m² +35% | 2019 |
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| 21, Grangewood Avenue629 m away | 77 m² | 100 m² | +23 m² +30% | 2010 |
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| 38, New Zealand Way925 m away | 90 m² | 112 m² | +22 m² +24% | 2022 |
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| 12, Ferro Road62 m away | 75 m² | 96 m² | +21 m² +28% | 2018 |
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| 24, West Close144 m away | 87 m² | 107 m² | +20 m² +23% | 2023 |
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| 105, New Zealand Way829 m away | 76 m² | 96 m² | +20 m² +26% | 2023 |
|---|
| 81, Dunedin Road814 m away | 92 m² | 112 m² | +20 m² +22% | 2022 |
|---|
| 58, Parsonage Road942 m away | 64 m² | 83 m² | +19 m² +30% | 2025 |
|---|
| 84, Melville Road29 m away | 44 m² | 63 m² | +19 m² +43% | 2024 |
|---|
| 135a, Wennington Road114 m away | 59 m² | 78 m² | +19 m² +32% | 2021 |
|---|
| 61, Wennington Road170 m away | 77 m² | 96 m² | +19 m² +25% | 2015 |
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| 35, Collingwood Road960 m away | 95 m² | 114 m² | +19 m² +20% | 2014 |
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| 23, Cowper Road0 m away | 81 m² | 99 m² | +18 m² +22% | 2025 |
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| 20, Melville Road29 m away | 81 m² | 98 m² | +17 m² +21% | 2026 |
|---|
| 81, Wentworth Way505 m away | 80 m² | 97 m² | +17 m² +21% | 2026 |
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| 6, Ingrebourne Road239 m away | 87 m² | 104 m² | +17 m² +20% | 2023 |
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| 12, Dunedin Road814 m away | 99 m² | 116 m² | +17 m² +17% | 2023 |
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| 90, Rothbury Avenue635 m away | 74 m² | 91 m² | +17 m² +23% | 2019 |
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| 47, Wentworth Way590 m away | 70 m² | 87 m² | +17 m² +24% | 2013 |
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| 18, Regna Close366 m away | 81 m² | 97 m² | +16 m² +20% | 2026 |
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| 11, Collingwood Road960 m away | 73 m² | 89 m² | +16 m² +22% | 2020 |
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| 11, Regna Close366 m away | 88 m² | 104 m² | +16 m² +18% | 2019 |
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| 9, Crammerville Walk493 m away | 80 m² | 96 m² | +16 m² +20% | 2018 |
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| 11, Sunningdale Avenue555 m away | 71 m² | 87 m² | +16 m² +23% | 2010 |
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| 77, Wentworth Way505 m away | 77 m² | 92 m² | +15 m² +19% | 2022 |
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| 32, Brights Avenue432 m away | 76 m² | 91 m² | +15 m² +20% | 2015 |
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| 14, Westlyn Close883 m away | 78 m² | 93 m² | +15 m² +19% | 2012 |
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| 6, Chapel Lodge276 m away | 31 m² | 46 m² | +15 m² +48% | 2011 |
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