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 GU2 9QY
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 |
|---|---|---|---|---|
| 15, Waltham Avenue818 m away | 76 m² | 171 m² | +95 m² +125% | 2026 |
| 22, Macdowall Road356 m away | 120 m² | 213 m² | +93 m² +78% | 2024 |
| 2, Juniper Close239 m away | 162 m² | 245 m² | +83 m² +51% | 2023 |
| 4, Rosemary Crescent943 m away | 77 m² | 156 m² | +79 m² +103% | 2022 |
| 276, Grange Road152 m away | 96 m² | 160 m² | +64 m² +67% | 2025 |
| Brackendale, Salt Box Road766 m away | 185 m² | 247 m² | +62 m² +34% | 2015 |
| 2, Princess Mary Close525 m away | 214 m² | 274 m² | +60 m² +28% | 2013 |
| 23, Maytree Close907 m away | 95 m² | 150 m² | +55 m² +58% | 2015 |
| 77, Lime Grove722 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.
| 44 m² |
| 98 m² |
| +54 m² +123% |
| 2021 |
| 183, Tylehost578 m away | 69 m² | 122 m² | +53 m² +77% | 2014 |
|---|
| 24, Treebys Avenue964 m away | 59 m² | 109 m² | +50 m² +85% | 2015 |
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| Stringers Farm, Stringers Common687 m away | 137 m² | 185 m² | +48 m² +35% | 2017 |
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| 10, Rosemary Crescent943 m away | 78 m² | 123 m² | +45 m² +58% | 2015 |
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| 42, Reeve Court, Tarragon Drive711 m away | 39 m² | 84 m² | +45 m² +115% | 2009 |
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| 280, Tylehost578 m away | 74 m² | 118 m² | +44 m² +59% | 2025 |
|---|
| 14, Maytree Close907 m away | 91 m² | 135 m² | +44 m² +48% | 2024 |
|---|
| 23, Railton Road537 m away | 141 m² | 182 m² | +41 m² +29% | 2024 |
|---|
| 8, Lime Grove829 m away | 96 m² | 137 m² | +41 m² +43% | 2023 |
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| 107, Lime Grove744 m away | 88 m² | 128 m² | +40 m² +45% | 2026 |
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| 5, Treebys Avenue964 m away | 48 m² | 87 m² | +39 m² +81% | 2022 |
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| 103, Saffron Platt900 m away | 60 m² | 98 m² | +38 m² +63% | 2022 |
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| 26, Macdowall Road356 m away | 123 m² | 160 m² | +37 m² +30% | 2021 |
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| 14, Cumberland Avenue264 m away | 104 m² | 141 m² | +37 m² +36% | 2020 |
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| 19, Palm Grove693 m away | 58 m² | 95 m² | +37 m² +64% | 2019 |
|---|
| 3, Johnston Walk831 m away | 81 m² | 118 m² | +37 m² +46% | 2016 |
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| 52, Waltham Avenue818 m away | 78 m² | 113 m² | +35 m² +45% | 2025 |
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| 31, Grangefields Road936 m away | 62 m² | 96 m² | +34 m² +55% | 2023 |
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| 39, Saffron Platt716 m away | 58 m² | 92 m² | +34 m² +59% | 2020 |
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| 40, Johnston Walk703 m away | 66 m² | 99 m² | +33 m² +50% | 2020 |
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| 53, Brookside974 m away | 83 m² | 115 m² | +32 m² +39% | 2026 |
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| 69, Hazel Avenue757 m away | 109 m² | 141 m² | +32 m² +29% | 2025 |
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| 5a, Juniper Close364 m away | 86 m² | 117 m² | +31 m² +36% | 2026 |
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| 15, Juniper Close364 m away | 88 m² | 118 m² | +30 m² +34% | 2016 |
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| 9, Regalfield Close914 m away | 48 m² | 77 m² | +29 m² +60% | 2022 |
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| 13, Johnston Walk831 m away | 67 m² | 96 m² | +29 m² +43% | 2014 |
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| 2, Hamilton Drive432 m away | 87 m² | 115 m² | +28 m² +32% | 2021 |
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| 17, Johnston Green668 m away | 81 m² | 109 m² | +28 m² +35% | 2021 |
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| 233, Worplesdon Road923 m away | 86 m² | 114 m² | +28 m² +33% | 2015 |
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| 56, Waltham Avenue828 m away | 84 m² | 112 m² | +28 m² +33% | 2014 |
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| 31, Lime Grove829 m away | 96 m² | 123 m² | +27 m² +28% | 2018 |
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| 16, Lyons Drive555 m away | 122 m² | 149 m² | +27 m² +22% | 2014 |
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| 30, Grangefields Road890 m away | 60 m² | 87 m² | +27 m² +45% | 2013 |
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| 4, Hazel Avenue882 m away | 92 m² | 118 m² | +26 m² +28% | 2026 |
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| 3, Regalfield Close914 m away | 64 m² | 90 m² | +26 m² +41% | 2024 |
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| 9, Rosemary Crescent943 m away | 130 m² | 156 m² | +26 m² +20% | 2023 |
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| 29, Lime Grove829 m away | 88 m² | 114 m² | +26 m² +30% | 2018 |
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| 1, Maytree Close907 m away | 96 m² | 121 m² | +25 m² +26% | 2021 |
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| 12, Juniper Close239 m away | 88 m² | 113 m² | +25 m² +28% | 2020 |
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| 7, Tamarind Close538 m away | 124 m² | 149 m² | +25 m² +20% | 2018 |
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| 7, Grangefields Road936 m away | 53 m² | 78 m² | +25 m² +47% | 2017 |
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| 4, Johnston Walk831 m away | 122 m² | 147 m² | +25 m² +20% | 2016 |
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| 4, Palm Grove693 m away | 116 m² | 141 m² | +25 m² +22% | 2013 |
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| 12, Whateley Close299 m away | 87 m² | 111 m² | +24 m² +28% | 2014 |
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| 80, Grange Road849 m away | 80 m² | 103 m² | +23 m² +29% | 2024 |
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| 10, Grange Close773 m away | 89 m² | 112 m² | +23 m² +26% | 2019 |
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| 205, Worplesdon Road923 m away | 62 m² | 85 m² | +23 m² +37% | 2019 |
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| 9, Weydown Close722 m away | 51 m² | 73 m² | +22 m² +43% | 2024 |
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| 1, Dayspring553 m away | 88 m² | 110 m² | +22 m² +25% | 2022 |
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| 39, Henderson Avenue371 m away | 108 m² | 129 m² | +21 m² +19% | 2020 |
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| 20, Oak Tree Drive849 m away | 88 m² | 108 m² | +20 m² +23% | 2013 |
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| 18, Harts Gardens933 m away | 80 m² | 99 m² | +19 m² +24% | 2014 |
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| 21, Burden Way200 m away | 93 m² | 112 m² | +19 m² +20% | 2013 |
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| 86, Waltham Avenue828 m away | 71 m² | 90 m² | +19 m² +27% | 2013 |
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| 13, Waltham Avenue828 m away | 77 m² | 94 m² | +17 m² +22% | 2025 |
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| 19, Yew Tree Drive538 m away | 99 m² | 116 m² | +17 m² +17% | 2024 |
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| 18, Lyons Drive555 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
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| 11, Stringers Avenue901 m away | 98 m² | 115 m² | +17 m² +17% | 2024 |
|---|
| 17, Mandeville Close962 m away | 76 m² | 93 m² | +17 m² +22% | 2024 |
|---|
| 4, Saffron Platt785 m away | 70 m² | 87 m² | +17 m² +24% | 2023 |
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| 23, Willow Way629 m away | 80 m² | 97 m² | +17 m² +21% | 2022 |
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| 16, Cardamom Close668 m away | 77 m² | 93 m² | +16 m² +21% | 2025 |
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| 89, Hazel Avenue606 m away | 92 m² | 108 m² | +16 m² +17% | 2024 |
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| 18, Hazel Avenue882 m away | 100 m² | 116 m² | +16 m² +16% | 2024 |
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| 7, Oakwood640 m away | 80 m² | 95 m² | +15 m² +19% | 2025 |
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| 43, Juniper Close364 m away | 98 m² | 113 m² | +15 m² +15% | 2024 |
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| 38, Waltham Avenue818 m away | 76 m² | 91 m² | +15 m² +20% | 2024 |
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