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 SE20 8EX
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 |
|---|---|---|---|---|
| 130, Maple Road672 m away | 100 m² | 210 m² | +110 m² +110% | 2014 |
| 26, Avington Grove705 m away | 192 m² | 290 m² | +98 m² +51% | 2014 |
| 41, Elmers End Road533 m away | 116 m² | 201 m² | +85 m² +73% | 2025 |
| 29, Maple Road224 m away | 76 m² | 157 m² | +81 m² +107% | 2018 |
| 33, Sheringham Road742 m away | 82 m² | 160 m² | +78 m² +95% | 2019 |
| 191, Ravenscroft Road671 m away | 63 m² | 135 m² | +72 m² +114% | 2021 |
| 98, Avenue Road801 m away | 72 m² | 143 m² | +71 m² +99% | 2025 |
| 59, Anerley Park824 m away | 140 m² | 211 m² | +71 m² +51% | 2024 |
| 26, Ravenscroft Road872 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.
| 89 m² |
| 157 m² |
| +68 m² +76% |
| 2025 |
| 115, Croydon Road270 m away | 261 m² | 329 m² | +68 m² +26% | 2017 |
|---|
| 19, Chesham Crescent476 m away | 105 m² | 172 m² | +67 m² +64% | 2014 |
|---|
| 22, Pittville Gardens1000 m away | 123 m² | 189 m² | +66 m² +54% | 2024 |
|---|
| 15, Warwick Road849 m away | 114 m² | 179 m² | +65 m² +57% | 2021 |
|---|
| 45, Kingsdale Road910 m away | 64 m² | 128 m² | +64 m² +100% | 2020 |
|---|
| 80, Ravenscroft Road872 m away | 102 m² | 164 m² | +62 m² +61% | 2020 |
|---|
| 50, Birkbeck Road984 m away | 106 m² | 166 m² | +60 m² +57% | 2025 |
|---|
| 5a, Villiers Road996 m away | 92 m² | 151 m² | +59 m² +64% | 2019 |
|---|
| 34, Jasmine Grove209 m away | 150 m² | 204 m² | +54 m² +36% | 2024 |
|---|
| 6, Kenilworth Road745 m away | 104 m² | 158 m² | +54 m² +52% | 2020 |
|---|
| 29, Kingswood Road998 m away | 93 m² | 146 m² | +53 m² +57% | 2026 |
|---|
| 81, Mackenzie Road964 m away | 60 m² | 113 m² | +53 m² +88% | 2022 |
|---|
| 5, Southey Street919 m away | 94 m² | 144 m² | +50 m² +53% | 2025 |
|---|
| 106, Mackenzie Road947 m away | 76 m² | 125 m² | +49 m² +64% | 2016 |
|---|
| 167, Ravenscroft Road671 m away | 97 m² | 145 m² | +48 m² +49% | 2026 |
|---|
| 5, Kenilworth Road745 m away | 98 m² | 146 m² | +48 m² +49% | 2022 |
|---|
| 34, Pelham Road654 m away | 104 m² | 152 m² | +48 m² +46% | 2021 |
|---|
| 17, Villiers Road996 m away | 101 m² | 148 m² | +47 m² +47% | 2024 |
|---|
| 62, Tremaine Road491 m away | 138 m² | 185 m² | +47 m² +34% | 2019 |
|---|
| 10a, Avington Grove705 m away | 58 m² | 104 m² | +46 m² +79% | 2025 |
|---|
| 386, Blandford Road837 m away | 71 m² | 116 m² | +45 m² +63% | 2022 |
|---|
| 311, Blandford Road863 m away | 86 m² | 131 m² | +45 m² +52% | 2022 |
|---|
| 29, Wheathill Road772 m away | 152 m² | 197 m² | +45 m² +30% | 2016 |
|---|
| 250, Blandford Road927 m away | 66 m² | 109 m² | +43 m² +65% | 2025 |
|---|
| 37, Kingswood Road998 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 29, Ash Grove496 m away | 85 m² | 128 m² | +43 m² +51% | 2022 |
|---|
| 39, Queen Adelaide Road959 m away | 31 m² | 74 m² | +43 m² +139% | 2010 |
|---|
| 116, Mackenzie Road827 m away | 104 m² | 146 m² | +42 m² +40% | 2022 |
|---|
| 33, Kenilworth Road745 m away | 91 m² | 133 m² | +42 m² +46% | 2020 |
|---|
| 18, Green Lane945 m away | 49 m² | 91 m² | +42 m² +86% | 2016 |
|---|
| 48, Chesham Road578 m away | 121 m² | 162 m² | +41 m² +34% | 2025 |
|---|
| 235, Birkbeck Road687 m away | 64 m² | 105 m² | +41 m² +64% | 2025 |
|---|
| 30, Felmingham Road677 m away | 72 m² | 113 m² | +41 m² +57% | 2023 |
|---|
| 3, Warwick Road849 m away | 101 m² | 142 m² | +41 m² +41% | 2022 |
|---|
| 36, Pelham Road654 m away | 108 m² | 148 m² | +40 m² +37% | 2025 |
|---|
| 53, Stembridge Road592 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
|---|
| Flat 4, 11, Thicket Road822 m away | 35 m² | 75 m² | +40 m² +114% | 2012 |
|---|
| 85, Ravenscroft Road910 m away | 91 m² | 130 m² | +39 m² +43% | 2024 |
|---|
| 71, Kingswood Road998 m away | 88 m² | 127 m² | +39 m² +44% | 2022 |
|---|
| 181, High Street830 m away | 32 m² | 70 m² | +38 m² +119% | 2019 |
|---|
| Flat 2, 87, Anerley Road752 m away | 63 m² | 101 m² | +38 m² +60% | 2017 |
|---|
| 130, Mackenzie Road827 m away | 95 m² | 132 m² | +37 m² +39% | 2026 |
|---|
| 15, Camille Close978 m away | 49 m² | 86 m² | +37 m² +76% | 2024 |
|---|
| 37, Kenilworth Road745 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| Flat 19, Brooklyn, Anerley Road748 m away | 46 m² | 83 m² | +37 m² +80% | 2014 |
|---|
| 25, Kingswood Road998 m away | 86 m² | 122 m² | +36 m² +42% | 2025 |
|---|
| 10, Crampton Road996 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 50, Allen Road910 m away | 90 m² | 125 m² | +35 m² +39% | 2025 |
|---|
| 129, Croydon Road270 m away | 227 m² | 262 m² | +35 m² +15% | 2024 |
|---|
| 120, Elmers End Road655 m away | 106 m² | 141 m² | +35 m² +33% | 2022 |
|---|
| 73, Ravenscroft Road910 m away | 101 m² | 136 m² | +35 m² +35% | 2022 |
|---|
| 4, Cambridge Road868 m away | 181 m² | 216 m² | +35 m² +19% | 2020 |
|---|
| 68, Oakfield Road410 m away | 88 m² | 123 m² | +35 m² +40% | 2014 |
|---|
| 16, Elmers End Road356 m away | 124 m² | 158 m² | +34 m² +27% | 2026 |
|---|
| 132, Birkbeck Road717 m away | 117 m² | 151 m² | +34 m² +29% | 2024 |
|---|
| Inchbare, Maple Road0 m away | 34 m² | 68 m² | +34 m² +100% | 2023 |
|---|
| 21, Warwick Road849 m away | 107 m² | 141 m² | +34 m² +32% | 2023 |
|---|
| 55, Wordsworth Road962 m away | 89 m² | 123 m² | +34 m² +38% | 2021 |
|---|
| 172, Birkbeck Road717 m away | 84 m² | 118 m² | +34 m² +40% | 2019 |
|---|
| 119, Mackenzie Road864 m away | 110 m² | 144 m² | +34 m² +31% | 2018 |
|---|
| 13, Stodart Road246 m away | 131 m² | 165 m² | +34 m² +26% | 2017 |
|---|
| 17, Padua Road367 m away | 61 m² | 95 m² | +34 m² +56% | 2016 |
|---|
| Flat 2, 10, Thicket Road772 m away | 39 m² | 73 m² | +34 m² +87% | 2016 |
|---|
| 16, Padua Road367 m away | 119 m² | 152 m² | +33 m² +28% | 2026 |
|---|
| 27, Montrave Road917 m away | 135 m² | 168 m² | +33 m² +24% | 2024 |
|---|
| 36, Camille Close978 m away | 43 m² | 76 m² | +33 m² +77% | 2021 |
|---|
| 186, Maple Road779 m away | 53 m² | 86 m² | +33 m² +62% | 2020 |
|---|
| 78, Cambridge Road868 m away | 82 m² | 115 m² | +33 m² +40% | 2018 |
|---|
| 70, Anerley Park686 m away | 53 m² | 86 m² | +33 m² +62% | 2010 |
|---|
| Flat 7, Park House, Anerley Park632 m away | 57 m² | 90 m² | +33 m² +58% | 2009 |
|---|
| 114, Anerley Park824 m away | 125 m² | 157 m² | +32 m² +26% | 2026 |
|---|
| 38, Birkbeck Road984 m away | 99 m² | 131 m² | +32 m² +32% | 2026 |
|---|
| 28, Bourdon Road492 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
|---|
| 64, Cambridge Road868 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
|---|
| 58, Kingswood Road986 m away | 117 m² | 149 m² | +32 m² +27% | 2023 |
|---|
| 29, Pelham Road653 m away | 102 m² | 134 m² | +32 m² +31% | 2022 |
|---|
| 28, Oak Grove Road352 m away | 80 m² | 112 m² | +32 m² +40% | 2021 |
|---|
| 5, Piquet Road676 m away | 118 m² | 150 m² | +32 m² +27% | 2018 |
|---|
| 30, Stembridge Road626 m away | 85 m² | 117 m² | +32 m² +38% | 2013 |
|---|
| 31, Torr Road987 m away | 86 m² | 117 m² | +31 m² +36% | 2023 |
|---|
| 50a, Croydon Road525 m away | 69 m² | 100 m² | +31 m² +45% | 2021 |
|---|
| 40, Stodart Road246 m away | 103 m² | 134 m² | +31 m² +30% | 2019 |
|---|
| 72a, Samos Road531 m away | 79 m² | 110 m² | +31 m² +39% | 2019 |
|---|
| 1, Wadhurst Close506 m away | 56 m² | 87 m² | +31 m² +55% | 2016 |
|---|
| 49b, Anerley Park686 m away | 80 m² | 111 m² | +31 m² +39% | 2015 |
|---|
| 20, Warwick Road880 m away | 112 m² | 143 m² | +31 m² +28% | 2014 |
|---|
| 9d, Warminster Road897 m away | 59 m² | 90 m² | +31 m² +53% | 2009 |
|---|
| 105, Seymour Villas331 m away | 62 m² | 92 m² | +30 m² +48% | 2026 |
|---|
| 41, Arrol Road909 m away | 75 m² | 105 m² | +30 m² +40% | 2022 |
|---|
| 15, Green Lane945 m away | 111 m² | 141 m² | +30 m² +27% | 2015 |
|---|
| Flat 25, Brooklyn, Anerley Road748 m away | 40 m² | 70 m² | +30 m² +75% | 2013 |
|---|
| 22a, Avington Grove705 m away | 35 m² | 64 m² | +29 m² +83% | 2022 |
|---|
| 12, Cromer Road993 m away | 76 m² | 105 m² | +29 m² +38% | 2022 |
|---|
| 170, Birkbeck Road717 m away | 86 m² | 115 m² | +29 m² +34% | 2020 |
|---|
| 65, Cambridge Road838 m away | 70 m² | 99 m² | +29 m² +41% | 2020 |
|---|
| 49, Clevedon Road802 m away | 107 m² | 136 m² | +29 m² +27% | 2018 |
|---|
| 50, Stembridge Road626 m away | 79 m² | 107 m² | +28 m² +35% | 2026 |
|---|
| 109, Elmers End Road687 m away | 51 m² | 79 m² | +28 m² +55% | 2023 |
|---|
| 50c, Thicket Road872 m away | 67 m² | 95 m² | +28 m² +42% | 2022 |
|---|
| 28, Green Lane928 m away | 88 m² | 116 m² | +28 m² +32% | 2015 |
|---|
| 123, Ravenscroft Road671 m away | 85 m² | 112 m² | +27 m² +32% | 2026 |
|---|
| 70, Wordsworth Road989 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
|---|
| 4a, Tremaine Road491 m away | 53 m² | 80 m² | +27 m² +51% | 2023 |
|---|
| 105, Avenue Road816 m away | 71 m² | 98 m² | +27 m² +38% | 2020 |
|---|
| 76, Ravenscroft Road872 m away | 114 m² | 141 m² | +27 m² +24% | 2017 |
|---|
| 94, Ravenscroft Road872 m away | 113 m² | 140 m² | +27 m² +24% | 2017 |
|---|
| 23, Cottingham Road910 m away | 78 m² | 104 m² | +26 m² +33% | 2022 |
|---|
| Flat 6, Strood House, Evelina Road697 m away | 19 m² | 45 m² | +26 m² +137% | 2020 |
|---|
| 166, Birkbeck Road717 m away | 87 m² | 113 m² | +26 m² +30% | 2020 |
|---|
| 56, Selby Road760 m away | 104 m² | 130 m² | +26 m² +25% | 2020 |
|---|
| 2c, Hawthorn Grove306 m away | 96 m² | 122 m² | +26 m² +27% | 2014 |
|---|
| 193, Birkbeck Road726 m away | 94 m² | 119 m² | +25 m² +27% | 2026 |
|---|
| 14, Villiers Road996 m away | 73 m² | 98 m² | +25 m² +34% | 2024 |
|---|
| 22, Green Lane945 m away | 42 m² | 67 m² | +25 m² +60% | 2020 |
|---|
| 29, Chesham Road578 m away | 55 m² | 80 m² | +25 m² +45% | 2019 |
|---|
| 2, Crampton Road996 m away | 86 m² | 111 m² | +25 m² +29% | 2019 |
|---|
| 54, Warminster Road933 m away | 106 m² | 131 m² | +25 m² +24% | 2015 |
|---|
| 8, Green Lane945 m away | 83 m² | 108 m² | +25 m² +30% | 2009 |
|---|
| 24, Trenholme Road651 m away | 75 m² | 99 m² | +24 m² +32% | 2026 |
|---|
| 76, Mackenzie Road947 m away | 86 m² | 110 m² | +24 m² +28% | 2025 |
|---|
| 1, Seymour Terrace386 m away | 138 m² | 162 m² | +24 m² +17% | 2024 |
|---|
| 40, Kenilworth Road745 m away | 126 m² | 150 m² | +24 m² +19% | 2024 |
|---|
| Flat 4, 180, Birkbeck Road717 m away | 49 m² | 73 m² | +24 m² +49% | 2022 |
|---|
| 30, Birkbeck Road984 m away | 89 m² | 113 m² | +24 m² +27% | 2022 |
|---|
| 114, Marlow Road674 m away | 99 m² | 123 m² | +24 m² +24% | 2020 |
|---|
| 18, Piquet Road672 m away | 106 m² | 130 m² | +24 m² +23% | 2018 |
|---|
| Flat 5, 26, Chestnut Grove372 m away | 45 m² | 69 m² | +24 m² +53% | 2017 |
|---|
| 66, Cambridge Road868 m away | 81 m² | 105 m² | +24 m² +30% | 2015 |
|---|
| 152, Maple Road672 m away | 52 m² | 75 m² | +23 m² +44% | 2025 |
|---|
| 30, Seymour Villas352 m away | 74 m² | 97 m² | +23 m² +31% | 2024 |
|---|
| 27, Ash Grove496 m away | 101 m² | 124 m² | +23 m² +23% | 2022 |
|---|
| 76, Birkbeck Road879 m away | 92 m² | 115 m² | +23 m² +25% | 2022 |
|---|
| 12, Villiers Road996 m away | 74 m² | 97 m² | +23 m² +31% | 2022 |
|---|
| Flat 10, Golden Mews, 15, Howard Road476 m away | 71 m² | 94 m² | +23 m² +32% | 2018 |
|---|
| Flat 4, 9, St Johns Road887 m away | 37 m² | 60 m² | +23 m² +62% | 2018 |
|---|
| 58, Hawthorn Grove306 m away | 52 m² | 75 m² | +23 m² +44% | 2017 |
|---|
| 65, William Booth Road602 m away | 40 m² | 63 m² | +23 m² +57% | 2014 |
|---|
| 41, William Booth Road602 m away | 40 m² | 63 m² | +23 m² +57% | 2014 |
|---|
| Flat 22, Brooklyn, Anerley Road748 m away | 66 m² | 89 m² | +23 m² +35% | 2012 |
|---|
| 20a, Ash Grove496 m away | 48 m² | 70 m² | +22 m² +46% | 2023 |
|---|
| 11, Trenholme Road651 m away | 87 m² | 109 m² | +22 m² +25% | 2023 |
|---|
| 35, Sheringham Road742 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
|---|
| 24a, Jasmine Grove209 m away | 31 m² | 53 m² | +22 m² +71% | 2020 |
|---|
| 7a, Howard Road476 m away | 85 m² | 107 m² | +22 m² +26% | 2020 |
|---|
| Flat 7, 56, Thicket Road872 m away | 41 m² | 63 m² | +22 m² +54% | 2020 |
|---|
| Flat 2, 11, Thicket Road822 m away | 35 m² | 57 m² | +22 m² +63% | 2019 |
|---|
| 19, High Street893 m away | 78 m² | 100 m² | +22 m² +28% | 2019 |
|---|
| Flat 6b, Ellesmere Court, Seymour Villas434 m away | 70 m² | 92 m² | +22 m² +31% | 2017 |
|---|
| Flat 26, Roberts Court, Maple Road293 m away | 39 m² | 61 m² | +22 m² +56% | 2014 |
|---|
| Flat 15, Penceat Court, 17, Bourdon Road497 m away | 29 m² | 51 m² | +22 m² +76% | 2013 |
|---|
| Flat 46, Wheathill House, Croydon Road663 m away | 66 m² | 88 m² | +22 m² +33% | 2012 |
|---|
| 14, Parkside Close772 m away | 60 m² | 81 m² | +21 m² +35% | 2025 |
|---|
| 8, Queen Adelaide Road959 m away | 85 m² | 106 m² | +21 m² +25% | 2024 |
|---|
| 34, Villiers Road996 m away | 87 m² | 108 m² | +21 m² +24% | 2024 |
|---|
| 51, Selby Road760 m away | 99 m² | 120 m² | +21 m² +21% | 2023 |
|---|
| 152, Ravenscroft Road637 m away | 66 m² | 87 m² | +21 m² +32% | 2022 |
|---|
| 35, Cottingham Road910 m away | 78 m² | 99 m² | +21 m² +27% | 2022 |
|---|
| 26, Felmingham Road677 m away | 75 m² | 96 m² | +21 m² +28% | 2021 |
|---|
| 38, Camille Close978 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
|---|
| 45b, Royston Road816 m away | 67 m² | 88 m² | +21 m² +31% | 2020 |
|---|
| 133, Elmers End Road687 m away | 81 m² | 102 m² | +21 m² +26% | 2019 |
|---|
| Flat 4, 19, Thicket Road822 m away | 30 m² | 51 m² | +21 m² +70% | 2019 |
|---|
| 30, Piquet Road672 m away | 83 m² | 104 m² | +21 m² +25% | 2018 |
|---|
| Flat 7, Woodbury Court, 199, Mackenzie Road795 m away | 31 m² | 52 m² | +21 m² +68% | 2018 |
|---|
| 10, Graveney Grove467 m away | 82 m² | 103 m² | +21 m² +26% | 2014 |
|---|
| Flat 2, Brooklyn, Anerley Road748 m away | 49 m² | 70 m² | +21 m² +43% | 2014 |
|---|
| Flat 49, Deverill Court, Avenue Road541 m away | 59 m² | 79 m² | +20 m² +34% | 2026 |
|---|
| Flat 10, Isis House, 5, Worcester Close805 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
|---|
| Flat 20, Isis House, 5, Worcester Close805 m away | 64 m² | 84 m² | +20 m² +31% | 2023 |
|---|
| 243, Ravenscroft Road604 m away | 63 m² | 83 m² | +20 m² +32% | 2022 |
|---|
| 14, Green Lane945 m away | 118 m² | 138 m² | +20 m² +17% | 2022 |
|---|
| 47a, Anerley Park686 m away | 101 m² | 121 m² | +20 m² +20% | 2021 |
|---|
| 16a, Avington Grove705 m away | 84 m² | 104 m² | +20 m² +24% | 2021 |
|---|
| 220b, Birkbeck Road650 m away | 21 m² | 41 m² | +20 m² +95% | 2020 |
|---|
| Flat 1, Foxley Manor, 24, Anerley Park619 m away | 27 m² | 47 m² | +20 m² +74% | 2015 |
|---|
| 102a, Croydon Road272 m away | 76 m² | 96 m² | +20 m² +26% | 2014 |
|---|
| 39, Cambridge Road838 m away | 93 m² | 113 m² | +20 m² +22% | 2012 |
|---|
| 192a, Anerley Road246 m away | 40 m² | 59 m² | +19 m² +48% | 2025 |
|---|
| 147, Ravenscroft Road671 m away | 83 m² | 102 m² | +19 m² +23% | 2025 |
|---|
| 5, Trenholme Terrace579 m away | 46 m² | 65 m² | +19 m² +41% | 2024 |
|---|
| 18, Adair Close988 m away | 94 m² | 113 m² | +19 m² +20% | 2024 |
|---|
| 168, Birkbeck Road717 m away | 97 m² | 116 m² | +19 m² +20% | 2019 |
|---|
| 20a, Castledine Road570 m away | 57 m² | 76 m² | +19 m² +33% | 2018 |
|---|
| 57, Penge Road969 m away | 63 m² | 82 m² | +19 m² +30% | 2017 |
|---|
| 23, Ridsdale Road503 m away | 45 m² | 64 m² | +19 m² +42% | 2015 |
|---|
| 5, Cranleigh Close364 m away | 38 m² | 57 m² | +19 m² +50% | 2014 |
|---|
| 83d, Anerley Road752 m away | 94 m² | 113 m² | +19 m² +20% | 2012 |
|---|
| 9, Owen Walk614 m away | 56 m² | 74 m² | +18 m² +32% | 2024 |
|---|
| 26a, Felmingham Road677 m away | 47 m² | 65 m² | +18 m² +38% | 2023 |
|---|
| 205, Blandford Road953 m away | 74 m² | 92 m² | +18 m² +24% | 2023 |
|---|
| Flat 16, Readman Court, 42, Jasmine Grove141 m away | 37 m² | 55 m² | +18 m² +49% | 2022 |
|---|