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 BA12 9LE
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 |
|---|---|---|---|---|
| 3, Lower Marsh Road952 m away | 90 m² | 212 m² | +122 m² +136% | 2019 |
| 5, Lower Marsh Road952 m away | 88 m² | 186 m² | +98 m² +111% | 2022 |
| 2, Boreham Road575 m away | 208 m² | 295 m² | +87 m² +42% | 2017 |
| 1, Grange Lane914 m away | 91 m² | 168 m² | +77 m² +85% | 2021 |
| 24, Prestbury Drive253 m away | 112 m² | 185 m² | +73 m² +65% | 2026 |
| 62a, East Street889 m away | 95 m² | 168 m² | +73 m² +77% | 2019 |
| 49, Prestbury Drive42 m away | 55 m² | 125 m² | +70 m² +127% | 2023 |
| 13, Rock Lane445 m away | 160 m² | 222 m² | +62 m² +39% | 2022 |
| 46, Gipsy Lane464 m away | 117 m² | 174 m² |
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.
| +57 m² +49% |
| 2026 |
| 20, Smallbrook Lane456 m away | 175 m² | 232 m² | +57 m² +33% | 2025 |
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| 66, Damask Way780 m away | 79 m² | 129 m² | +50 m² +63% | 2015 |
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| 60, Woodcock Road783 m away | 105 m² | 149 m² | +44 m² +42% | 2025 |
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| 3, Heronslade448 m away | 145 m² | 188 m² | +43 m² +30% | 2023 |
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| 4, Plants Green661 m away | 142 m² | 185 m² | +43 m² +30% | 2021 |
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| 52, Boreham Road400 m away | 225 m² | 266 m² | +41 m² +18% | 2022 |
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| 43, Imber Road981 m away | 107 m² | 146 m² | +39 m² +36% | 2014 |
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| 53, Highbury Park520 m away | 111 m² | 148 m² | +37 m² +33% | 2026 |
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| Riverside House, Bishopstrow Road892 m away | 193 m² | 230 m² | +37 m² +19% | 2017 |
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| 11, Beckford Close559 m away | 74 m² | 110 m² | +36 m² +49% | 2026 |
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| 7, Lower Marsh Road952 m away | 156 m² | 192 m² | +36 m² +23% | 2014 |
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| 50, East End Avenue829 m away | 102 m² | 136 m² | +34 m² +33% | 2024 |
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| 11, Heronslade448 m away | 154 m² | 188 m² | +34 m² +22% | 2012 |
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| 2, Eastleigh Cottage, Eastleigh Wood Lane678 m away | 89 m² | 122 m² | +33 m² +37% | 2025 |
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| 11, Robin Close651 m away | 60 m² | 92 m² | +32 m² +53% | 2025 |
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| 14, Thames Close956 m away | 42 m² | 74 m² | +32 m² +76% | 2014 |
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| Flat 7, Knights Court, 36, Imber Road845 m away | 52 m² | 82 m² | +30 m² +58% | 2026 |
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| 53a, Boreham Road361 m away | 143 m² | 172 m² | +29 m² +20% | 2021 |
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| 35, Imberwood Close855 m away | 63 m² | 90 m² | +27 m² +43% | 2020 |
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| 14, Boreham Road575 m away | 119 m² | 145 m² | +26 m² +22% | 2021 |
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| 7, Highbury Park520 m away | 88 m² | 110 m² | +22 m² +25% | 2022 |
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| 41, Boreham Road573 m away | 73 m² | 95 m² | +22 m² +30% | 2021 |
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| 82, Prestbury Drive0 m away | 77 m² | 99 m² | +22 m² +29% | 2017 |
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| 33, Imberwood Close855 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
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| 3, Thames Close956 m away | 89 m² | 109 m² | +20 m² +22% | 2024 |
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| 152, Boreham Road486 m away | 86 m² | 105 m² | +19 m² +22% | 2025 |
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| 6, Plants Green661 m away | 104 m² | 123 m² | +19 m² +18% | 2021 |
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| 17, Plants Green661 m away | 66 m² | 85 m² | +19 m² +29% | 2011 |
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| 5, Plants Green661 m away | 80 m² | 98 m² | +18 m² +23% | 2025 |
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| 81, Boreham Field785 m away | 73 m² | 91 m² | +18 m² +25% | 2021 |
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| 3, Furlong House, 61, East Street765 m away | 72 m² | 90 m² | +18 m² +25% | 2019 |
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| 53, Plants Green630 m away | 76 m² | 93 m² | +17 m² +22% | 2022 |
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| 37, Highbury Park520 m away | 78 m² | 95 m² | +17 m² +22% | 2014 |
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| 27, Woodcock Gardens519 m away | 105 m² | 121 m² | +16 m² +15% | 2025 |
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| 11, Bourbon Close797 m away | 57 m² | 73 m² | +16 m² +28% | 2025 |
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| 14, Chatham Court, Station Road988 m away | 35 m² | 51 m² | +16 m² +46% | 2025 |
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| 48, Upper Marsh Road996 m away | 74 m² | 90 m² | +16 m² +22% | 2014 |
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| 31, The Dene970 m away | 71 m² | 87 m² | +16 m² +23% | 2013 |
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| 4, Robin Close651 m away | 87 m² | 102 m² | +15 m² +17% | 2026 |
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