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 N9 8HJ
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 |
|---|---|---|---|---|
| 46, Cuckoo Hall Lane510 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 76, Cambourne Avenue483 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 189, St Marys Road758 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 32a, South Street912 m away | 63 m² | 128 m² | +65 m² +103% | 2025 |
| 50, Church Road632 m away | 83 m² | 146 m² | +63 m² +76% | 2025 |
| 60, Northfield Road896 m away | 103 m² | 166 m² | +63 m² +61% | 2025 |
| 24, Coniston Gardens928 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
| 195, St Marys Road758 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
| 1, Northfield Road913 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.
| 92 m² |
| 153 m² |
| +61 m² +66% |
| 2023 |
| 129, Cuckoo Hall Lane307 m away | 86 m² | 146 m² | +60 m² +70% | 2025 |
|---|
| 228, Nightingale Road630 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
|---|
| 37, Woodlands Road869 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 102, Nightingale Road473 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 16, Southfield Road883 m away | 87 m² | 142 m² | +55 m² +63% | 2026 |
|---|
| 54, Dartford Avenue417 m away | 88 m² | 143 m² | +55 m² +63% | 2019 |
|---|
| 169, South Street641 m away | 93 m² | 147 m² | +54 m² +58% | 2019 |
|---|
| 20, Warren Close419 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
|---|
| 20, Orchard Road754 m away | 95 m² | 145 m² | +50 m² +53% | 2026 |
|---|
| 16, South Street912 m away | 44 m² | 93 m² | +49 m² +111% | 2012 |
|---|
| 50, Shirley Grove318 m away | 75 m² | 122 m² | +47 m² +63% | 2026 |
|---|
| 49, South Street862 m away | 118 m² | 165 m² | +47 m² +40% | 2019 |
|---|
| 118, St Josephs Road807 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 71, Alma Road890 m away | 40 m² | 86 m² | +46 m² +115% | 2025 |
|---|
| 157, Cuckoo Hall Lane307 m away | 71 m² | 117 m² | +46 m² +65% | 2023 |
|---|
| 15, St Michaels Avenue511 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
|---|
| 7, Falcon Road654 m away | 76 m² | 120 m² | +44 m² +58% | 2024 |
|---|
| 27, Tennyson Close812 m away | 36 m² | 79 m² | +43 m² +119% | 2012 |
|---|
| 52, Clarence Road944 m away | 95 m² | 137 m² | +42 m² +44% | 2019 |
|---|
| 85, Charlton Road392 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 1, Brierley Avenue851 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 9, Clarence Road957 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
|---|
| 42, Dartford Avenue417 m away | 87 m² | 124 m² | +37 m² +43% | 2022 |
|---|
| 20, Coniston Gardens928 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 3, Northfield Road913 m away | 102 m² | 137 m² | +35 m² +34% | 2022 |
|---|
| 126, Sandhurst Road208 m away | 94 m² | 129 m² | +35 m² +37% | 2019 |
|---|
| 51, Southfield Road883 m away | 84 m² | 119 m² | +35 m² +42% | 2015 |
|---|
| 121, Charlton Road392 m away | 80 m² | 114 m² | +34 m² +43% | 2016 |
|---|
| 8, South Street912 m away | 95 m² | 128 m² | +33 m² +35% | 2019 |
|---|
| 34, Elmcroft Avenue900 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
|---|
| 10, Alma Road742 m away | 98 m² | 130 m² | +32 m² +33% | 2013 |
|---|
| 32, Wellstead Avenue357 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
|---|
| 115a, High Street887 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
|---|
| 4, Northfield Road896 m away | 111 m² | 142 m² | +31 m² +28% | 2025 |
|---|
| 14, Chelsfield Green174 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
|---|
| 292, Nightingale Road842 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 24, Church Road632 m away | 91 m² | 121 m² | +30 m² +33% | 2026 |
|---|
| 131, St Marys Road758 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 7, St Alphege Road684 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
|---|
| 282, Nightingale Road842 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
|---|
| 28, Turin Road615 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
|---|
| 62, Tramway Avenue805 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
|---|
| 7, Shirley Grove317 m away | 59 m² | 88 m² | +29 m² +49% | 2018 |
|---|
| 21, Chelsfield Avenue110 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
|---|
| 133, St Marys Road758 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
|---|
| 463, Lincoln Road979 m away | 72 m² | 100 m² | +28 m² +39% | 2013 |
|---|
| 24, Southfield Road883 m away | 57 m² | 85 m² | +28 m² +49% | 2011 |
|---|
| 194, Galliard Road750 m away | 98 m² | 125 m² | +27 m² +28% | 2020 |
|---|
| 61, Clarence Road957 m away | 110 m² | 136 m² | +26 m² +24% | 2026 |
|---|
| 393, Hertford Road883 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
|---|
| 94, Sandhurst Road361 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
|---|
| 266a, St Marys Road743 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
|---|
| 64, Cambourne Avenue483 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
|---|
| 45, Penfold Road583 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
|---|
| 19, Sutherland Road604 m away | 74 m² | 100 m² | +26 m² +35% | 2010 |
|---|
| 48, Curzon Avenue974 m away | 58 m² | 83 m² | +25 m² +43% | 2021 |
|---|
| 44, Chaffinch Close734 m away | 44 m² | 69 m² | +25 m² +57% | 2012 |
|---|
| 520, Hertford Road692 m away | 47 m² | 72 m² | +25 m² +53% | 2010 |
|---|
| 1, Martin Close859 m away | 20 m² | 44 m² | +24 m² +120% | 2012 |
|---|
| 23, Freemantle Avenue963 m away | 65 m² | 89 m² | +24 m² +37% | 2012 |
|---|
| 5, Cambourne Avenue455 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
|---|
| 86, Southfield Road883 m away | 85 m² | 108 m² | +23 m² +27% | 2022 |
|---|
| 53, Southfield Road883 m away | 103 m² | 126 m² | +23 m² +22% | 2019 |
|---|
| 5, Scarborough Road537 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
|---|
| 83, High Street840 m away | 105 m² | 128 m² | +23 m² +22% | 2013 |
|---|
| 189, Sandhurst Road138 m away | 84 m² | 106 m² | +22 m² +26% | 2023 |
|---|
| 39, Devonshire Road915 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
|---|
| 51, Beatrice Road594 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
|---|
| Flat 14, 84, South Street776 m away | 36 m² | 58 m² | +22 m² +61% | 2016 |
|---|
| 14, Shirley Grove318 m away | 66 m² | 88 m² | +22 m² +33% | 2011 |
|---|
| 140, Nightingale Road498 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
|---|
| 103, Charlton Road392 m away | 68 m² | 89 m² | +21 m² +31% | 2025 |
|---|
| 102, Charlton Road361 m away | 103 m² | 124 m² | +21 m² +20% | 2022 |
|---|
| 28, Church Road632 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
|---|
| 300, Nightingale Road842 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
|---|
| 70, Clarence Road944 m away | 116 m² | 137 m² | +21 m² +18% | 2012 |
|---|
| 296, Nightingale Road842 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
|---|
| 10, Allens Road823 m away | 77 m² | 97 m² | +20 m² +26% | 2020 |
|---|
| 34, Oaklands Avenue876 m away | 76 m² | 96 m² | +20 m² +26% | 2020 |
|---|
| 22, Coniston Gardens928 m away | 115 m² | 135 m² | +20 m² +17% | 2019 |
|---|
| 445, Lincoln Road979 m away | 71 m² | 91 m² | +20 m² +28% | 2018 |
|---|
| 99, Charlton Road392 m away | 67 m² | 87 m² | +20 m² +30% | 2011 |
|---|
| 34, Northfield Road896 m away | 75 m² | 95 m² | +20 m² +27% | 2010 |
|---|
| 2, Warren Close419 m away | 88 m² | 107 m² | +19 m² +22% | 2026 |
|---|
| 111, Nightingale Road459 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
|---|
| 16, Bunting Close823 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
|---|
| 29, Rydal Way612 m away | 40 m² | 59 m² | +19 m² +48% | 2020 |
|---|
| 106, Church Road498 m away | 97 m² | 116 m² | +19 m² +20% | 2019 |
|---|
| 116, Church Road498 m away | 38 m² | 57 m² | +19 m² +50% | 2017 |
|---|
| 314, Nightingale Road842 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
|---|
| 165, Charlton Road222 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
|---|
| 87, Southfield Road883 m away | 89 m² | 107 m² | +18 m² +20% | 2023 |
|---|
| 13, Brierley Avenue851 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
|---|
| 40, Devonshire Road879 m away | 64 m² | 82 m² | +18 m² +28% | 2018 |
|---|
| 32, Cambourne Avenue483 m away | 64 m² | 82 m² | +18 m² +28% | 2016 |
|---|
| 182, Nightingale Road498 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
|---|
| 24, Elmcroft Avenue900 m away | 104 m² | 121 m² | +17 m² +16% | 2026 |
|---|
| 90, St Josephs Road807 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
|---|
| 259, Galliard Road908 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
|---|
| 164, Charlton Road95 m away | 87 m² | 104 m² | +17 m² +20% | 2024 |
|---|
| 5, Clarence Road957 m away | 82 m² | 99 m² | +17 m² +21% | 2022 |
|---|
| 26, Mottingham Road242 m away | 70 m² | 87 m² | +17 m² +24% | 2021 |
|---|
| 59, Charlton Road566 m away | 73 m² | 90 m² | +17 m² +23% | 2021 |
|---|
| 40, Acworth Close659 m away | 44 m² | 61 m² | +17 m² +39% | 2021 |
|---|
| 41, Bunting Close823 m away | 43 m² | 60 m² | +17 m² +40% | 2019 |
|---|
| 14, Tudor Road849 m away | 85 m² | 102 m² | +17 m² +20% | 2016 |
|---|
| 63, Shirley Grove317 m away | 68 m² | 85 m² | +17 m² +25% | 2012 |
|---|
| 49, Falcon Road654 m away | 81 m² | 97 m² | +16 m² +20% | 2023 |
|---|
| 97, Woodlands Road869 m away | 98 m² | 114 m² | +16 m² +16% | 2022 |
|---|
| 59, Allens Road747 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
|---|
| 365, Hertford Road883 m away | 41 m² | 57 m² | +16 m² +39% | 2020 |
|---|
| 82, Mottingham Road276 m away | 77 m² | 93 m² | +16 m² +21% | 2016 |
|---|
| 49, Charlton Road566 m away | 67 m² | 83 m² | +16 m² +24% | 2013 |
|---|
| 2b, Southfield Road883 m away | 61 m² | 76 m² | +15 m² +25% | 2025 |
|---|
| 56, Beatrice Road620 m away | 94 m² | 109 m² | +15 m² +16% | 2023 |
|---|
| 217, Charlton Road0 m away | 91 m² | 106 m² | +15 m² +16% | 2022 |
|---|
| 93, Dartford Avenue348 m away | 95 m² | 110 m² | +15 m² +16% | 2014 |
|---|
| 302, Nightingale Road842 m away | 25 m² | 40 m² | +15 m² +60% | 2009 |
|---|