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 8UN
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 Lane669 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 76, Cambourne Avenue239 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 189, St Marys Road307 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 1, Lowden Road756 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 228, Bounces Road529 m away | 91 m² | 158 m² | +67 m² +74% | 2023 |
| 24, Cornwallis Grove731 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
| 13, Gordon Road873 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
| 24, Coniston Gardens376 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
| 195, St Marys Road307 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.
| 91 m² |
| 153 m² |
| +62 m² +68% |
| 2025 |
| 76, Picketts Lock Lane461 m away | 85 m² | 147 m² | +62 m² +73% | 2025 |
|---|
| 228, Nightingale Road181 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
|---|
| 129, Cuckoo Hall Lane535 m away | 86 m² | 146 m² | +60 m² +70% | 2025 |
|---|
| 92, Chester Road735 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 37, Woodlands Road426 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 38, Exeter Road732 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
|---|
| 102, Nightingale Road707 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 54, Dartford Avenue844 m away | 88 m² | 143 m² | +55 m² +63% | 2019 |
|---|
| 49, Lowden Road756 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 165, Bounces Road499 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 25, Seymour Road914 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
|---|
| 69, Westminster Road810 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 20, Warren Close288 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
|---|
| 80, Monmouth Road755 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 175, Hertford Road962 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 53, Grosvenor Road770 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 300, Hertford Road878 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 44, Picketts Lock Lane461 m away | 74 m² | 122 m² | +48 m² +65% | 2024 |
|---|
| 50, Shirley Grove436 m away | 75 m² | 122 m² | +47 m² +63% | 2026 |
|---|
| 15, St Peters Road663 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road528 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 157, Cuckoo Hall Lane535 m away | 71 m² | 117 m² | +46 m² +65% | 2023 |
|---|
| 23, Rosemary Avenue884 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 208, Bounces Road529 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 15, St Michaels Avenue574 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
|---|
| 18, Logan Road884 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 57, Grosvenor Road770 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 14, Grosvenor Road849 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 42, Oxford Road933 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 85, Charlton Road302 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 40, Dover Road650 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 19, Westoe Road989 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
|---|
| 1, Brierley Avenue225 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 40, Exeter Road732 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 427, Montagu Road795 m away | 49 m² | 87 m² | +38 m² +78% | 2010 |
|---|
| 42, Dartford Avenue844 m away | 87 m² | 124 m² | +37 m² +43% | 2022 |
|---|
| 244, Hertford Road905 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
|---|
| 2a, Densworth Grove822 m away | 74 m² | 111 m² | +37 m² +50% | 2020 |
|---|
| 20, Coniston Gardens376 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 23, Chester Road710 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 48, Forest Road763 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
|---|
| 66, St Peters Road634 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 106, Exeter Road821 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 189, Bounces Road499 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 126, Sandhurst Road842 m away | 94 m² | 129 m² | +35 m² +37% | 2019 |
|---|
| 16, Oxford Road933 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 70, Picketts Lock Lane461 m away | 71 m² | 106 m² | +35 m² +49% | 2017 |
|---|
| 178, Bounces Road529 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
|---|
| 49, Gordon Road873 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 121, Charlton Road302 m away | 80 m² | 114 m² | +34 m² +43% | 2016 |
|---|
| 51, Chester Road710 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 53, Westminster Road810 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 12, Oxford Road933 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 7, Nash Road587 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 70, Lowden Road747 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 31, Westminster Road810 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 45, Cornwallis Road819 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 97, Grosvenor Road770 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 32, Wellstead Avenue356 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
|---|
| 1, Kingsmead Avenue899 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
|---|
| 14, Chelsfield Green714 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
|---|
| 47, Oxford Road911 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 292, Nightingale Road193 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 214, Hertford Road954 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
|---|
| 15, North Road984 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 131, St Marys Road307 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 7, St Alphege Road747 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
|---|
| 185c, Town Road880 m away | 52 m² | 82 m² | +30 m² +58% | 2019 |
|---|
| 13, Ranworth Road842 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| 282, Nightingale Road193 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
|---|
| 19, Elstree Gardens869 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 28, Turin Road515 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
|---|
| 62, Tramway Avenue756 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
|---|
| 8, Grosvenor Road849 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
|---|
| 7, Shirley Grove465 m away | 59 m² | 88 m² | +29 m² +49% | 2018 |
|---|
| 21, Chelsfield Avenue677 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
|---|
| 133, St Marys Road307 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
|---|
| 35, Doncaster Road915 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
|---|
| 38, Dover Road650 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
|---|
| 13, Oxford Road911 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
|---|
| 23, Grosvenor Road770 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
|---|
| 26, Gordon Road854 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
|---|
| 90, Forest Road763 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
|---|
| 101, Exeter Road821 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
|---|
| 57, Lowden Road756 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
|---|
| 100, Forest Road763 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
|---|
| 393, Hertford Road906 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
|---|
| 266a, St Marys Road191 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
|---|
| 94, Sandhurst Road891 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
|---|
| 64, Cambourne Avenue239 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
|---|
| 7, Dover Road650 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
|---|
| 45, Penfold Road141 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
|---|
| 11, Kingsmead Avenue899 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
|---|
| 59, Lowden Road756 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
|---|
| 37, Harton Road948 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
|---|
| 57, Bath Road699 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
|---|
| 37, Cornwallis Road819 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
|---|
| 44, Chaffinch Close45 m away | 44 m² | 69 m² | +25 m² +57% | 2012 |
|---|
| 520, Hertford Road926 m away | 47 m² | 72 m² | +25 m² +53% | 2010 |
|---|
| 13, Cornwallis Grove747 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
|---|
| 58, Cornwallis Grove731 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
|---|
| 7, Elstree Gardens869 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
|---|
| 1, Martin Close168 m away | 20 m² | 44 m² | +24 m² +120% | 2012 |
|---|
| 5, Cambourne Avenue274 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
|---|
| 72, Westminster Road780 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
|---|
| 288, Hertford Road878 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
|---|
| 5, Scarborough Road753 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
|---|
| 54, Oxford Road933 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
|---|
| 43, King Edwards Road963 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
|---|
| 189, Sandhurst Road828 m away | 84 m² | 106 m² | +22 m² +26% | 2023 |
|---|
| 39, Devonshire Road297 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
|---|
| 51, Beatrice Road850 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
|---|
| 29, Dover Road650 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
|---|
| 14, Shirley Grove436 m away | 66 m² | 88 m² | +22 m² +33% | 2011 |
|---|
| 140, Nightingale Road394 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
|---|
| 103, Charlton Road302 m away | 68 m² | 89 m² | +21 m² +31% | 2025 |
|---|
| 20, Cornwallis Grove731 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
|---|
| 13, Cornwallis Avenue794 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
|---|
| 102, Charlton Road330 m away | 103 m² | 124 m² | +21 m² +20% | 2022 |
|---|
| 300, Nightingale Road193 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
|---|
| 20, Oxford Close979 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
|---|
| 86, Chester Road735 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 296, Nightingale Road193 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
|---|
| 253, Hertford Road920 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
|---|
| 16, Forest Road763 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
|---|
| 22, Coniston Gardens376 m away | 115 m² | 135 m² | +20 m² +17% | 2019 |
|---|
| 19, Nash Road587 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
|---|
| 63, Lowden Road756 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
|---|
| 99, Charlton Road302 m away | 67 m² | 87 m² | +20 m² +30% | 2011 |
|---|
| 2, Warren Close288 m away | 88 m² | 107 m² | +19 m² +22% | 2026 |
|---|
| 111, Nightingale Road403 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
|---|
| 23, Bath Road699 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
|---|
| 16, Bunting Close133 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
|---|
| 220, Bounces Road529 m away | 78 m² | 97 m² | +19 m² +24% | 2021 |
|---|
| 29, Seymour Road914 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
|---|
| 43, Cornwallis Grove747 m away | 73 m² | 92 m² | +19 m² +26% | 2020 |
|---|
| 72, Bounces Road785 m away | 64 m² | 83 m² | +19 m² +30% | 2020 |
|---|
| 30, North Road981 m away | 81 m² | 100 m² | +19 m² +23% | 2020 |
|---|
| 75, St Peters Road663 m away | 66 m² | 85 m² | +19 m² +29% | 2018 |
|---|
| 27, Westoe Road989 m away | 89 m² | 108 m² | +19 m² +21% | 2013 |
|---|
| 314, Nightingale Road193 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
|---|
| 165, Charlton Road473 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
|---|
| 2, Exeter Road649 m away | 82 m² | 100 m² | +18 m² +22% | 2021 |
|---|
| 13, Brierley Avenue225 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
|---|
| 40, Devonshire Road300 m away | 64 m² | 82 m² | +18 m² +28% | 2018 |
|---|
| 32, Cambourne Avenue239 m away | 64 m² | 82 m² | +18 m² +28% | 2016 |
|---|
| 7, Gordon Road873 m away | 65 m² | 83 m² | +18 m² +28% | 2015 |
|---|
| 15, Gordon Road873 m away | 78 m² | 96 m² | +18 m² +23% | 2014 |
|---|
| 49, Oxford Road911 m away | 73 m² | 91 m² | +18 m² +25% | 2014 |
|---|
| 182, Nightingale Road394 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
|---|
| 90, St Josephs Road528 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
|---|
| 79a, Bounces Road727 m away | 58 m² | 75 m² | +17 m² +29% | 2024 |
|---|
| 164, Charlton Road756 m away | 87 m² | 104 m² | +17 m² +20% | 2024 |
|---|
| 59, Charlton Road129 m away | 73 m² | 90 m² | +17 m² +23% | 2021 |
|---|
| 40, Acworth Close588 m away | 44 m² | 61 m² | +17 m² +39% | 2021 |
|---|
| 26, Mottingham Road678 m away | 70 m² | 87 m² | +17 m² +24% | 2021 |
|---|
| 41, Bunting Close133 m away | 43 m² | 60 m² | +17 m² +40% | 2019 |
|---|
| Flat 3, Westly House, Rosemary Avenue934 m away | 26 m² | 43 m² | +17 m² +65% | 2018 |
|---|
| 14, Tudor Road692 m away | 85 m² | 102 m² | +17 m² +20% | 2016 |
|---|
| 66, Grosvenor Road753 m away | 73 m² | 90 m² | +17 m² +23% | 2014 |
|---|
| 12, Henderson Road990 m away | 76 m² | 93 m² | +17 m² +22% | 2014 |
|---|
| 63, Shirley Grove465 m away | 68 m² | 85 m² | +17 m² +25% | 2012 |
|---|
| 187, Bounces Road499 m away | 79 m² | 95 m² | +16 m² +20% | 2024 |
|---|
| 51, Gordon Road873 m away | 84 m² | 100 m² | +16 m² +19% | 2024 |
|---|
| 97, Woodlands Road426 m away | 98 m² | 114 m² | +16 m² +16% | 2022 |
|---|
| 109, Bounces Road590 m away | 76 m² | 92 m² | +16 m² +21% | 2022 |
|---|
| 35, Bridlington Road965 m away | 79 m² | 95 m² | +16 m² +20% | 2022 |
|---|
| 31, Harton Road948 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
|---|
| 365, Hertford Road906 m away | 41 m² | 57 m² | +16 m² +39% | 2020 |
|---|
| 109a, Monmouth Road820 m away | 42 m² | 58 m² | +16 m² +38% | 2018 |
|---|
| 5, Westoe Road989 m away | 71 m² | 87 m² | +16 m² +23% | 2018 |
|---|
| 82, Mottingham Road817 m away | 77 m² | 93 m² | +16 m² +21% | 2016 |
|---|
| 49, Charlton Road129 m away | 67 m² | 83 m² | +16 m² +24% | 2013 |
|---|
| 22, Harton Road948 m away | 72 m² | 87 m² | +15 m² +21% | 2024 |
|---|
| 56, Beatrice Road883 m away | 94 m² | 109 m² | +15 m² +16% | 2023 |
|---|
| 217, Charlton Road691 m away | 91 m² | 106 m² | +15 m² +16% | 2022 |
|---|
| Flat 1, Ranworth Court, Ranworth Road870 m away | 52 m² | 67 m² | +15 m² +29% | 2019 |
|---|
| 93, Dartford Avenue829 m away | 95 m² | 110 m² | +15 m² +16% | 2014 |
|---|
| 169, Bounces Road499 m away | 66 m² | 81 m² | +15 m² +23% | 2012 |
|---|
| 302, Nightingale Road193 m away | 25 m² | 40 m² | +15 m² +60% | 2009 |
|---|