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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 CH47 9RY
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 |
|---|---|---|---|---|
| 2, Banks Avenue812 m away | 151 m² | 249 m² | +98 m² +65% | 2024 |
| 18, Heron Road123 m away | 144 m² | 238 m² | +94 m² +65% | 2018 |
| 12, Bertram Drive North766 m away | 173 m² | 264 m² | +91 m² +53% | 2014 |
| 5, Derwent Road604 m away | 91 m² | 160 m² | +69 m² +76% | 2023 |
| 11, Cleveley Road696 m away | 116 m² | 180 m² | +64 m² +55% | 2017 |
| 11, Flowermead Close920 m away | 100 m² | 148 m² | +48 m² +48% | 2016 |
| 63, Park Road890 m away | 99 m² | 145 m² | +46 m² +46% | 2025 |
| 27, Sherwood Road376 m away | 103 m² | 149 m² | +46 m² +45% | 2020 |
| 7, Kings Avenue912 m away | 209 m² | 253 m² | +44 m² +21% | 2026 |
| 62, Bertram Drive919 m away | 175 m² | 219 m² | +44 m² +25% | 2024 |
| 41, Leighton Avenue633 m away | 130 m² | 172 m² | +42 m² +32% | 2022 |
| 4, Kings Avenue912 m away | 164 m² | 205 m² | +41 m² +25% | 2021 |
| 66, Guffitts Rake999 m away | 93 m² | 132 m² | +39 m² +42% | 2016 |
| 51, Bispham Drive176 m away | 55 m² | 94 m² | +39 m² +71% | 2010 |
| 18, The Ridgeway43 m away | 136 m² | 173 m² | +37 m² +27% | 2017 |
| 139, Birkenhead Road915 m away | 129 m² | 164 m² | +35 m² +27% | 2023 |
| 37, Banks Avenue784 m away | 89 m² | 123 m² | +34 m² +38% | 2020 |
| 24, Lyndhurst Road825 m away | 102 m² | 135 m² | +33 m² +32% | 2025 |
| 47, Bispham Drive176 m away | 190 m² | 222 m² | +32 m² +17% | 2026 |
| 8, Queens Avenue729 m away | 147 m² | 176 m² | +29 m² +20% | 2024 |
| 14, Mannington Close558 m away | 89 m² | 117 m² | +28 m² +31% | 2019 |
| 5, Birch Road336 m away | 92 m² | 118 m² | +26 m² +28% | 2019 |
| Sefton House, Leighton Avenue633 m away | 131 m² | 157 m² | +26 m² +20% | 2018 |
| 186, Birkenhead Road733 m away | 56 m² | 81 m² | +25 m² +45% | 2011 |
| 46, Queens Avenue745 m away | 133 m² | 156 m² | +23 m² +17% | 2024 |
| 18, Queens Avenue729 m away | 120 m² | 143 m² | +23 m² +19% | 2016 |
| 4, Fieldway64 m away | 97 m² | 119 m² | +22 m² +23% | 2014 |
| 34, Queens Avenue729 m away | 132 m² | 153 m² | +21 m² +16% | 2015 |
| 21, The Ridgeway0 m away | 119 m² | 138 m² | +19 m² +16% | 2025 |
| 3, Bispham Drive176 m away | 69 m² | 88 m² | +19 m² +28% | 2021 |
| 3, Leighton Avenue633 m away | 107 m² | 124 m² | +17 m² +16% | 2022 |
| 22, Cranbourne Avenue806 m away | 91 m² | 108 m² | +17 m² +19% | 2021 |
| 8a, Acres Road101 m away | 95 m² | 111 m² | +16 m² +17% | 2020 |
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.