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 CT9 3EJ
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 |
|---|---|---|---|---|
| 67, Fitzroy Avenue874 m away | 168 m² | 328 m² | +160 m² +95% | 2023 |
| 61, Kingsgate Avenue706 m away | 138 m² | 291 m² | +153 m² +111% | 2020 |
| The Little House, Marine Drive633 m away | 140 m² | 241 m² | +101 m² +72% | 2021 |
| 19, David Avenue881 m away | 121 m² | 211 m² | +90 m² +74% | 2016 |
| Sea Breezes, 18, Fitzroy Avenue836 m away | 215 m² | 304 m² | +89 m² +41% | 2018 |
| 120, Botany Road526 m away | 87 m² | 174 m² | +87 m² +100% | 2024 |
| 133, Botany Road499 m away | 86 m² | 171 m² | +85 m² +99% | 2019 |
| 70, Botany Road526 m away | 122 m² | 206 m² | +84 m² +69% | 2025 |
| Barracuda, Marine Drive633 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.
| 87 m² |
| 168 m² |
| +81 m² +93% |
| 2022 |
| 52, Gloucester Avenue968 m away | 72 m² | 153 m² | +81 m² +113% | 2015 |
|---|
| 23, Sandhurst Road414 m away | 115 m² | 195 m² | +80 m² +70% | 2016 |
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| 137, Botany Road499 m away | 83 m² | 160 m² | +77 m² +93% | 2015 |
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| 15, Capel Close909 m away | 102 m² | 177 m² | +75 m² +74% | 2025 |
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| 70, Percy Avenue752 m away | 147 m² | 221 m² | +74 m² +50% | 2024 |
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| White Headland, 66, Fitzroy Avenue874 m away | 318 m² | 388 m² | +70 m² +22% | 2026 |
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| 78, Botany Road526 m away | 85 m² | 155 m² | +70 m² +82% | 2018 |
|---|
| 51, Botany Road741 m away | 86 m² | 156 m² | +70 m² +81% | 2017 |
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| 49, Botany Road741 m away | 85 m² | 155 m² | +70 m² +82% | 2015 |
|---|
| Thanet Lodge, Second Avenue790 m away | 112 m² | 180 m² | +68 m² +61% | 2022 |
|---|
| 72, Percy Avenue752 m away | 69 m² | 135 m² | +66 m² +96% | 2014 |
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| 48, Kingsgate Avenue884 m away | 121 m² | 186 m² | +65 m² +54% | 2025 |
|---|
| 73, Botany Road741 m away | 95 m² | 160 m² | +65 m² +68% | 2013 |
|---|
| 27, Botany Road902 m away | 108 m² | 169 m² | +61 m² +56% | 2021 |
|---|
| 135, Percy Avenue605 m away | 121 m² | 178 m² | +57 m² +47% | 2016 |
|---|
| 3, Capel Close909 m away | 111 m² | 167 m² | +56 m² +50% | 2025 |
|---|
| 9a, Cudham Gardens773 m away | 108 m² | 163 m² | +55 m² +51% | 2026 |
|---|
| 124, Botany Road526 m away | 96 m² | 150 m² | +54 m² +56% | 2023 |
|---|
| 16, Sandhurst Road414 m away | 86 m² | 139 m² | +53 m² +62% | 2025 |
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| 15, David Avenue881 m away | 123 m² | 176 m² | +53 m² +43% | 2024 |
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| 14, Fitzroy Avenue836 m away | 256 m² | 307 m² | +51 m² +20% | 2022 |
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| 58, Clarence Avenue843 m away | 119 m² | 170 m² | +51 m² +43% | 2010 |
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| 22, Fitzroy Avenue836 m away | 275 m² | 325 m² | +50 m² +18% | 2018 |
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| 42, Princess Margaret Avenue616 m away | 91 m² | 137 m² | +46 m² +51% | 2023 |
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| 96, Kingsgate Avenue699 m away | 178 m² | 224 m² | +46 m² +26% | 2016 |
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| 457a, Northdown Road997 m away | 91 m² | 136 m² | +45 m² +49% | 2015 |
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| 39, Kingsgate Avenue884 m away | 131 m² | 174 m² | +43 m² +33% | 2019 |
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| 69, Knockholt Road269 m away | 84 m² | 126 m² | +42 m² +50% | 2021 |
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| Anneli, Second Avenue661 m away | 213 m² | 254 m² | +41 m² +19% | 2022 |
|---|
| 30, Botany Road827 m away | 77 m² | 118 m² | +41 m² +53% | 2022 |
|---|
| 97, Botany Road499 m away | 118 m² | 159 m² | +41 m² +35% | 2021 |
|---|
| 57, Botany Road741 m away | 101 m² | 141 m² | +40 m² +40% | 2024 |
|---|
| 11, Sandhurst Road414 m away | 104 m² | 143 m² | +39 m² +38% | 2020 |
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| Sea Point, Marine Drive809 m away | 138 m² | 176 m² | +38 m² +28% | 2023 |
|---|
| 1, Dolphin Close656 m away | 71 m² | 109 m² | +38 m² +54% | 2015 |
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| 86, Fitzroy Avenue874 m away | 89 m² | 126 m² | +37 m² +42% | 2023 |
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| 59, Eastchurch Road211 m away | 61 m² | 97 m² | +36 m² +59% | 2025 |
|---|
| 1, Ivychurch Gardens572 m away | 98 m² | 133 m² | +35 m² +36% | 2014 |
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| 141, Botany Road499 m away | 87 m² | 121 m² | +34 m² +39% | 2024 |
|---|
| 29, Percy Avenue895 m away | 92 m² | 126 m² | +34 m² +37% | 2020 |
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| 64, Knockholt Road269 m away | 99 m² | 133 m² | +34 m² +34% | 2013 |
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| 36, Fitzroy Avenue836 m away | 197 m² | 231 m² | +34 m² +17% | 2013 |
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| 26, Victor Avenue830 m away | 86 m² | 118 m² | +32 m² +37% | 2025 |
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| 53, Clarence Avenue843 m away | 90 m² | 122 m² | +32 m² +36% | 2025 |
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| 8, Harbledown Gardens409 m away | 68 m² | 97 m² | +29 m² +43% | 2025 |
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| 18a, Copperhurst Walk337 m away | 40 m² | 69 m² | +29 m² +73% | 2023 |
|---|
| 2, Magnolia Avenue864 m away | 78 m² | 107 m² | +29 m² +37% | 2008 |
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| 6, The Gates, Percy Avenue878 m away | 68 m² | 96 m² | +28 m² +41% | 2020 |
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| 129, Percy Avenue605 m away | 160 m² | 187 m² | +27 m² +17% | 2025 |
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| Flat 7, Greyfriars Court, George Hill Road968 m away | 36 m² | 63 m² | +27 m² +75% | 2022 |
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| 44, Kingsgate Avenue884 m away | 100 m² | 127 m² | +27 m² +27% | 2020 |
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| 76, Botany Road526 m away | 119 m² | 145 m² | +26 m² +22% | 2022 |
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| Flat 16, Greyfriars Court, George Hill Road968 m away | 97 m² | 123 m² | +26 m² +27% | 2018 |
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| 38, Princess Margaret Avenue796 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| 53, Gloucester Avenue968 m away | 94 m² | 119 m² | +25 m² +27% | 2017 |
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| 5, Springfield Road414 m away | 72 m² | 97 m² | +25 m² +35% | 2010 |
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| 45, Staplehurst Gardens384 m away | 91 m² | 114 m² | +23 m² +25% | 2023 |
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| 43, Palm Bay Avenue883 m away | 139 m² | 162 m² | +23 m² +17% | 2023 |
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| 70, Princess Margaret Avenue523 m away | 85 m² | 107 m² | +22 m² +26% | 2026 |
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| 178, Percy Avenue575 m away | 137 m² | 159 m² | +22 m² +16% | 2024 |
|---|
| 85, Percy Avenue752 m away | 85 m² | 107 m² | +22 m² +26% | 2022 |
|---|
| 145, Botany Road499 m away | 114 m² | 136 m² | +22 m² +19% | 2010 |
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| 99, Eastchurch Road354 m away | 96 m² | 116 m² | +20 m² +21% | 2026 |
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| 9, Crundale Way777 m away | 97 m² | 117 m² | +20 m² +21% | 2023 |
|---|
| 22, David Avenue881 m away | 86 m² | 106 m² | +20 m² +23% | 2022 |
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| 8, Ashurst Gardens122 m away | 62 m² | 82 m² | +20 m² +32% | 2013 |
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| 477, Northdown Road997 m away | 105 m² | 124 m² | +19 m² +18% | 2022 |
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| 33, Percy Avenue895 m away | 81 m² | 99 m² | +18 m² +22% | 2015 |
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| 10, Summerfield Road466 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
|---|
| 48, Percy Avenue752 m away | 102 m² | 119 m² | +17 m² +17% | 2022 |
|---|
| 22, Lamberhurst Way160 m away | 66 m² | 82 m² | +16 m² +24% | 2024 |
|---|
| 149, Botany Road499 m away | 83 m² | 99 m² | +16 m² +19% | 2019 |
|---|
| 69, Princess Margaret Avenue616 m away | 75 m² | 91 m² | +16 m² +21% | 2019 |
|---|
| 1, Westerham Close775 m away | 89 m² | 104 m² | +15 m² +17% | 2025 |
|---|
| 9, Eastchurch Road475 m away | 71 m² | 86 m² | +15 m² +21% | 2022 |
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