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 3NR
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 |
|---|---|---|---|---|
| 60, Northumberland Avenue585 m away | 137 m² | 306 m² | +169 m² +123% | 2023 |
| 16, Omer Avenue439 m away | 102 m² | 240 m² | +138 m² +135% | 2011 |
| 40, Gloucester Avenue401 m away | 129 m² | 255 m² | +126 m² +98% | 2024 |
| 27, Princes Gardens600 m away | 111 m² | 235 m² | +124 m² +112% | 2026 |
| 30, Devonshire Gardens736 m away | 188 m² | 279 m² | +91 m² +48% | 2021 |
| 19, David Avenue473 m away | 121 m² | 211 m² | +90 m² +74% | 2016 |
| The Dew, 4, Palm Bay Avenue512 m away | 81 m² | 164 m² | +83 m² +102% | 2020 |
| 52, Gloucester Avenue134 m away | 72 m² | 153 m² | +81 m² +113% | 2015 |
| 1, Devonshire Gardens626 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.
| 393 m² |
| 474 m² |
| +81 m² +21% |
| 2014 |
| 52, Warwick Road948 m away | 69 m² | 148 m² | +79 m² +114% | 2022 |
|---|
| 33, Lonsdale Avenue235 m away | 101 m² | 164 m² | +63 m² +62% | 2024 |
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| 9, Wishing Tower Apartments, 18, Eastern Esplanade663 m away | 67 m² | 128 m² | +61 m² +91% | 2025 |
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| 10, Lonsdale Avenue448 m away | 135 m² | 195 m² | +60 m² +44% | 2019 |
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| 42, Gloucester Avenue401 m away | 116 m² | 174 m² | +58 m² +50% | 2025 |
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| 9a, Cudham Gardens673 m away | 108 m² | 163 m² | +55 m² +51% | 2026 |
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| 11, Clarence Avenue413 m away | 81 m² | 134 m² | +53 m² +65% | 2026 |
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| 15, David Avenue473 m away | 123 m² | 176 m² | +53 m² +43% | 2024 |
|---|
| 58, Clarence Avenue161 m away | 119 m² | 170 m² | +51 m² +43% | 2010 |
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| 91, Norfolk Road986 m away | 169 m² | 217 m² | +48 m² +28% | 2025 |
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| 99, Northumberland Avenue873 m away | 128 m² | 176 m² | +48 m² +38% | 2024 |
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| 165, Northdown Park Road989 m away | 71 m² | 118 m² | +47 m² +66% | 2025 |
|---|
| 24, Surrey Road884 m away | 274 m² | 320 m² | +46 m² +17% | 2026 |
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| 33, Dalmeny Avenue789 m away | 71 m² | 117 m² | +46 m² +65% | 2025 |
|---|
| 42, Princess Margaret Avenue412 m away | 91 m² | 137 m² | +46 m² +51% | 2023 |
|---|
| 457a, Northdown Road555 m away | 91 m² | 136 m² | +45 m² +49% | 2015 |
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| 28, Norfolk Road977 m away | 215 m² | 260 m² | +45 m² +21% | 2015 |
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| 397, Northdown Road590 m away | 87 m² | 130 m² | +43 m² +49% | 2024 |
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| 11, Cornwall Gardens784 m away | 218 m² | 261 m² | +43 m² +20% | 2016 |
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| 15, West Park Avenue693 m away | 85 m² | 127 m² | +42 m² +49% | 2021 |
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| 55, Cornwall Gardens901 m away | 197 m² | 238 m² | +41 m² +21% | 2022 |
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| 62, Leicester Avenue194 m away | 215 m² | 255 m² | +40 m² +19% | 2010 |
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| 6, Surrey Road884 m away | 254 m² | 293 m² | +39 m² +15% | 2012 |
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| 37, Holly Lane759 m away | 141 m² | 179 m² | +38 m² +27% | 2023 |
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| 28, Gloucester Avenue401 m away | 140 m² | 177 m² | +37 m² +26% | 2016 |
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| 32, Dalmeny Avenue789 m away | 109 m² | 145 m² | +36 m² +33% | 2025 |
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| 59, Eastchurch Road840 m away | 61 m² | 97 m² | +36 m² +59% | 2025 |
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| 24, Holly Lane759 m away | 197 m² | 232 m² | +35 m² +18% | 2023 |
|---|
| 1, Ivychurch Gardens983 m away | 98 m² | 133 m² | +35 m² +36% | 2014 |
|---|
| 30, Princes Gardens600 m away | 145 m² | 179 m² | +34 m² +23% | 2021 |
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| 53, Clarence Avenue161 m away | 90 m² | 122 m² | +32 m² +36% | 2025 |
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| 26, Victor Avenue516 m away | 86 m² | 118 m² | +32 m² +37% | 2025 |
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| 36, Devonshire Gardens736 m away | 195 m² | 225 m² | +30 m² +15% | 2023 |
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| 434, Northdown Road628 m away | 82 m² | 112 m² | +30 m² +37% | 2021 |
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| 22, Surrey Road884 m away | 66 m² | 96 m² | +30 m² +45% | 2019 |
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| 8, Harbledown Gardens517 m away | 68 m² | 97 m² | +29 m² +43% | 2025 |
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| 2, Princes Court, Princes Gardens519 m away | 62 m² | 91 m² | +29 m² +47% | 2025 |
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| 18a, Copperhurst Walk952 m away | 40 m² | 69 m² | +29 m² +73% | 2023 |
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| 85, Northumberland Avenue873 m away | 130 m² | 159 m² | +29 m² +22% | 2016 |
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| 13, Lonsdale Avenue321 m away | 126 m² | 155 m² | +29 m² +23% | 2013 |
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| 65, Princes Gardens707 m away | 95 m² | 124 m² | +29 m² +31% | 2009 |
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| 2, Magnolia Avenue311 m away | 78 m² | 107 m² | +29 m² +37% | 2008 |
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| 43, Princes Gardens600 m away | 128 m² | 156 m² | +28 m² +22% | 2026 |
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| 63, Princes Gardens707 m away | 86 m² | 111 m² | +25 m² +29% | 2025 |
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| 295, Northdown Road809 m away | 109 m² | 134 m² | +25 m² +23% | 2025 |
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| 38, Princess Margaret Avenue535 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| 9, Foreland Avenue710 m away | 102 m² | 127 m² | +25 m² +25% | 2022 |
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| 53, Gloucester Avenue134 m away | 94 m² | 119 m² | +25 m² +27% | 2017 |
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| 5, Springfield Road491 m away | 72 m² | 97 m² | +25 m² +35% | 2010 |
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| 77 And 79, Norfolk Road986 m away | 55 m² | 80 m² | +25 m² +45% | 2009 |
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| 22, Old Green Road866 m away | 76 m² | 100 m² | +24 m² +32% | 2010 |
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| 43, Palm Bay Avenue0 m away | 139 m² | 162 m² | +23 m² +17% | 2023 |
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| 45, Staplehurst Gardens833 m away | 91 m² | 114 m² | +23 m² +25% | 2023 |
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| 387, Northdown Road590 m away | 81 m² | 104 m² | +23 m² +28% | 2020 |
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| 70, Princess Margaret Avenue395 m away | 85 m² | 107 m² | +22 m² +26% | 2026 |
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| 31, Dalmeny Avenue789 m away | 113 m² | 135 m² | +22 m² +19% | 2021 |
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| 26, Warwick Road948 m away | 134 m² | 156 m² | +22 m² +16% | 2021 |
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| 25, Surrey Road844 m away | 65 m² | 85 m² | +20 m² +31% | 2024 |
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| 432, Northdown Road589 m away | 107 m² | 127 m² | +20 m² +19% | 2023 |
|---|
| 22, David Avenue473 m away | 86 m² | 106 m² | +20 m² +23% | 2022 |
|---|
| 2, Palm Bay Avenue512 m away | 86 m² | 106 m² | +20 m² +23% | 2019 |
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| 8, Ashurst Gardens807 m away | 62 m² | 82 m² | +20 m² +32% | 2013 |
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| 38, Queen Elizabeth Avenue975 m away | 72 m² | 92 m² | +20 m² +28% | 2010 |
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| Flat 2, 25, Palm Bay Avenue260 m away | 119 m² | 138 m² | +19 m² +16% | 2025 |
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| 477, Northdown Road555 m away | 105 m² | 124 m² | +19 m² +18% | 2022 |
|---|
| 12, Holly Gardens661 m away | 99 m² | 118 m² | +19 m² +19% | 2017 |
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| 8, Palm Bay Avenue512 m away | 98 m² | 116 m² | +18 m² +18% | 2023 |
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| 5, Gloucester Avenue417 m away | 108 m² | 126 m² | +18 m² +17% | 2016 |
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| 424, Northdown Road589 m away | 114 m² | 132 m² | +18 m² +16% | 2015 |
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| 368a, Northdown Road673 m away | 79 m² | 96 m² | +17 m² +22% | 2026 |
|---|
| 68, Leicester Avenue194 m away | 90 m² | 107 m² | +17 m² +19% | 2025 |
|---|
| 427, Northdown Road589 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
|---|
| 10, Summerfield Road804 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
|---|
| 37, Norfolk Road930 m away | 63 m² | 80 m² | +17 m² +27% | 2022 |
|---|
| Flat 8, Robina Court, Palm Bay Avenue171 m away | 94 m² | 111 m² | +17 m² +18% | 2014 |
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| 22, Lamberhurst Way929 m away | 66 m² | 82 m² | +16 m² +24% | 2024 |
|---|
| Flat 29, Northumberland Court, Northumberland Avenue365 m away | 38 m² | 54 m² | +16 m² +42% | 2023 |
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| 69, Princess Margaret Avenue412 m away | 75 m² | 91 m² | +16 m² +21% | 2019 |
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| 24, Clarence Avenue413 m away | 84 m² | 100 m² | +16 m² +19% | 2017 |
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| 96, Northdown Park Road940 m away | 94 m² | 110 m² | +16 m² +17% | 2013 |
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| 9, Eastchurch Road714 m away | 71 m² | 86 m² | +15 m² +21% | 2022 |
|---|
| Flat 1, James Court, 23, Devonshire Gardens736 m away | 74 m² | 89 m² | +15 m² +20% | 2020 |
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| Flat 4, 6, Cornwall Gardens784 m away | 47 m² | 62 m² | +15 m² +32% | 2020 |
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| Flat 5, 79, Eastern Esplanade820 m away | 33 m² | 48 m² | +15 m² +45% | 2020 |
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| Flat 9, Highcliffe Hall, 16, Eastern Esplanade704 m away | 73 m² | 88 m² | +15 m² +21% | 2008 |
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| 42 - 44, Surrey Road884 m away | 53 m² | 68 m² | +15 m² +28% | 2008 |
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