Finding extended homes…
These only choose where you start. Every page and every lens is still one tap away.
Sign in to keep them on every device →Finding extended homes…
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 3TN
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 Avenue825 m away | 137 m² | 306 m² | +169 m² +123% | 2023 |
| 16, Omer Avenue795 m away | 102 m² | 240 m² | +138 m² +135% | 2011 |
| 40, Gloucester Avenue696 m away | 129 m² | 255 m² | +126 m² +98% | 2024 |
| 27, Princes Gardens996 m away | 111 m² | 235 m² | +124 m² +112% | 2026 |
| 19, David Avenue653 m away | 121 m² | 211 m² | +90 m² +74% | 2016 |
| 52, Gloucester Avenue970 m away | 72 m² | 153 m² | +81 m² +113% | 2015 |
| 33, Lonsdale Avenue878 m away | 101 m² | 164 m² | +63 m² +62% | 2024 |
| 27, Botany Road890 m away | 108 m² | 169 m² | +61 m² +56% | 2021 |
| 64, Northdown Hill908 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.
| 101 m² |
| 160 m² |
| +59 m² +58% |
| 2015 |
| 42, Gloucester Avenue696 m away | 116 m² | 174 m² | +58 m² +50% | 2025 |
|---|
| 71, Arlington Gardens667 m away | 95 m² | 153 m² | +58 m² +61% | 2014 |
|---|
| 23, Kent Road776 m away | 92 m² | 149 m² | +57 m² +62% | 2026 |
|---|
| 9a, Cudham Gardens665 m away | 108 m² | 163 m² | +55 m² +51% | 2026 |
|---|
| 11, Clarence Avenue672 m away | 81 m² | 134 m² | +53 m² +65% | 2026 |
|---|
| 15, David Avenue653 m away | 123 m² | 176 m² | +53 m² +43% | 2024 |
|---|
| 58, Clarence Avenue935 m away | 119 m² | 170 m² | +51 m² +43% | 2010 |
|---|
| 99, Northumberland Avenue601 m away | 128 m² | 176 m² | +48 m² +38% | 2024 |
|---|
| 100, Millmead Road465 m away | 130 m² | 178 m² | +48 m² +37% | 2020 |
|---|
| 165, Northdown Park Road177 m away | 71 m² | 118 m² | +47 m² +66% | 2025 |
|---|
| 9, Invicta Road650 m away | 117 m² | 164 m² | +47 m² +40% | 2022 |
|---|
| 33, Dalmeny Avenue294 m away | 71 m² | 117 m² | +46 m² +65% | 2025 |
|---|
| 42, Princess Margaret Avenue911 m away | 91 m² | 137 m² | +46 m² +51% | 2023 |
|---|
| 457a, Northdown Road540 m away | 91 m² | 136 m² | +45 m² +49% | 2015 |
|---|
| 20, Albert Road890 m away | 99 m² | 144 m² | +45 m² +45% | 2014 |
|---|
| 10, Arlington Gardens472 m away | 95 m² | 138 m² | +43 m² +45% | 2026 |
|---|
| 397, Northdown Road658 m away | 87 m² | 130 m² | +43 m² +49% | 2024 |
|---|
| 15, West Park Avenue402 m away | 85 m² | 127 m² | +42 m² +49% | 2021 |
|---|
| 14, Kent Road776 m away | 83 m² | 124 m² | +41 m² +49% | 2026 |
|---|
| 50, Victoria Avenue764 m away | 65 m² | 106 m² | +41 m² +63% | 2014 |
|---|
| 37, Holly Lane482 m away | 141 m² | 179 m² | +38 m² +27% | 2023 |
|---|
| 28, Gloucester Avenue696 m away | 140 m² | 177 m² | +37 m² +26% | 2016 |
|---|
| 32, Dalmeny Avenue294 m away | 109 m² | 145 m² | +36 m² +33% | 2025 |
|---|
| 24, Holly Lane482 m away | 197 m² | 232 m² | +35 m² +18% | 2023 |
|---|
| 29, St Michaels Avenue334 m away | 82 m² | 117 m² | +35 m² +43% | 2020 |
|---|
| 30, Princes Gardens996 m away | 145 m² | 179 m² | +34 m² +23% | 2021 |
|---|
| 113, Northdown Park Road465 m away | 62 m² | 96 m² | +34 m² +55% | 2020 |
|---|
| 73, Northdown Park Road789 m away | 153 m² | 186 m² | +33 m² +22% | 2026 |
|---|
| 29, Cedar Close796 m away | 80 m² | 113 m² | +33 m² +41% | 2023 |
|---|
| Dallington, Richmond Avenue940 m away | 200 m² | 233 m² | +33 m² +17% | 2016 |
|---|
| 44, Irvine Drive499 m away | 82 m² | 114 m² | +32 m² +39% | 2025 |
|---|
| 26, Victor Avenue661 m away | 86 m² | 118 m² | +32 m² +37% | 2025 |
|---|
| 11, The Ridgeway884 m away | 101 m² | 133 m² | +32 m² +32% | 2025 |
|---|
| 53, Clarence Avenue935 m away | 90 m² | 122 m² | +32 m² +36% | 2025 |
|---|
| 434, Northdown Road469 m away | 82 m² | 112 m² | +30 m² +37% | 2021 |
|---|
| 22, Northdown Park Road942 m away | 106 m² | 135 m² | +29 m² +27% | 2017 |
|---|
| 85, Northumberland Avenue601 m away | 130 m² | 159 m² | +29 m² +22% | 2016 |
|---|
| 13, Lonsdale Avenue938 m away | 126 m² | 155 m² | +29 m² +23% | 2013 |
|---|
| 65, Princes Gardens866 m away | 95 m² | 124 m² | +29 m² +31% | 2009 |
|---|
| 2, Magnolia Avenue789 m away | 78 m² | 107 m² | +29 m² +37% | 2008 |
|---|
| 43, Princes Gardens996 m away | 128 m² | 156 m² | +28 m² +22% | 2026 |
|---|
| 32, Fitzroy Avenue962 m away | 90 m² | 118 m² | +28 m² +31% | 2017 |
|---|
| Flat 7, Greyfriars Court, George Hill Road998 m away | 36 m² | 63 m² | +27 m² +75% | 2022 |
|---|
| 187, Millmead Road129 m away | 95 m² | 122 m² | +27 m² +28% | 2012 |
|---|
| Flat 16, Greyfriars Court, George Hill Road998 m away | 97 m² | 123 m² | +26 m² +27% | 2018 |
|---|
| 54, Whitfield Avenue802 m away | 96 m² | 122 m² | +26 m² +27% | 2013 |
|---|
| 63, Princes Gardens866 m away | 86 m² | 111 m² | +25 m² +29% | 2025 |
|---|
| 295, Northdown Road874 m away | 109 m² | 134 m² | +25 m² +23% | 2025 |
|---|
| 9, Foreland Avenue386 m away | 102 m² | 127 m² | +25 m² +25% | 2022 |
|---|
| 38, Princess Margaret Avenue678 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
|---|
| 14, Elfrida Close419 m away | 90 m² | 115 m² | +25 m² +28% | 2020 |
|---|
| 53, Gloucester Avenue970 m away | 94 m² | 119 m² | +25 m² +27% | 2017 |
|---|
| Belle Cottage, Green Lane410 m away | 85 m² | 109 m² | +24 m² +28% | 2019 |
|---|
| 22, Old Green Road548 m away | 76 m² | 100 m² | +24 m² +32% | 2010 |
|---|
| 39, St Michaels Avenue334 m away | 71 m² | 94 m² | +23 m² +32% | 2022 |
|---|
| 27, Friends Avenue247 m away | 84 m² | 107 m² | +23 m² +27% | 2020 |
|---|
| 387, Northdown Road658 m away | 81 m² | 104 m² | +23 m² +28% | 2020 |
|---|
| 45, St Michaels Avenue334 m away | 71 m² | 94 m² | +23 m² +32% | 2016 |
|---|
| 27, Albert Road890 m away | 94 m² | 117 m² | +23 m² +24% | 2014 |
|---|
| 16, St Anthonys Way527 m away | 96 m² | 118 m² | +22 m² +23% | 2024 |
|---|
| 31, Dalmeny Avenue294 m away | 113 m² | 135 m² | +22 m² +19% | 2021 |
|---|
| 77, George Hill Road855 m away | 114 m² | 136 m² | +22 m² +19% | 2013 |
|---|
| 6, Millmead Gardens37 m away | 67 m² | 87 m² | +20 m² +30% | 2024 |
|---|
| 432, Northdown Road504 m away | 107 m² | 127 m² | +20 m² +19% | 2023 |
|---|
| 9, Crundale Way908 m away | 97 m² | 117 m² | +20 m² +21% | 2023 |
|---|
| 22, David Avenue653 m away | 86 m² | 106 m² | +20 m² +23% | 2022 |
|---|
| 38, Queen Elizabeth Avenue160 m away | 72 m² | 92 m² | +20 m² +28% | 2010 |
|---|
| 477, Northdown Road540 m away | 105 m² | 124 m² | +19 m² +18% | 2022 |
|---|
| 217, Northdown Park Road318 m away | 93 m² | 112 m² | +19 m² +20% | 2020 |
|---|
| 12, Holly Gardens531 m away | 99 m² | 118 m² | +19 m² +19% | 2017 |
|---|
| 5, Gloucester Avenue703 m away | 108 m² | 126 m² | +18 m² +17% | 2016 |
|---|
| 424, Northdown Road504 m away | 114 m² | 132 m² | +18 m² +16% | 2015 |
|---|
| 5, Whitfield Avenue802 m away | 79 m² | 97 m² | +18 m² +23% | 2015 |
|---|
| 37, Grafton Road989 m away | 64 m² | 82 m² | +18 m² +28% | 2013 |
|---|
| 368a, Northdown Road688 m away | 79 m² | 96 m² | +17 m² +22% | 2026 |
|---|
| 427, Northdown Road504 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
|---|
| 10, Summerfield Road998 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
|---|
| 40, Arlington Gardens472 m away | 81 m² | 98 m² | +17 m² +21% | 2021 |
|---|
| 69, Princess Margaret Avenue911 m away | 75 m² | 91 m² | +16 m² +21% | 2019 |
|---|
| 24, Clarence Avenue672 m away | 84 m² | 100 m² | +16 m² +19% | 2017 |
|---|
| 1, Victoria Avenue760 m away | 69 m² | 85 m² | +16 m² +23% | 2014 |
|---|
| 96, Northdown Park Road222 m away | 94 m² | 110 m² | +16 m² +17% | 2013 |
|---|
| 1, Westerham Close952 m away | 89 m² | 104 m² | +15 m² +17% | 2025 |
|---|
| 9, Eastchurch Road965 m away | 71 m² | 86 m² | +15 m² +21% | 2022 |
|---|
| 22, St Anthonys Way527 m away | 78 m² | 93 m² | +15 m² +19% | 2021 |
|---|
| 6, Palmer Crescent516 m away | 83 m² | 98 m² | +15 m² +18% | 2017 |
|---|