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 8AZ
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 |
|---|---|---|---|---|
| 7, Tudor Road737 m away | 370 m² | 535 m² | +165 m² +45% | 2025 |
| 26, Avington Grove912 m away | 192 m² | 290 m² | +98 m² +51% | 2014 |
| 33, Belvedere Road718 m away | 189 m² | 277 m² | +88 m² +47% | 2025 |
| 29, Maple Road818 m away | 76 m² | 157 m² | +81 m² +107% | 2018 |
| 39, Stambourne Way696 m away | 82 m² | 162 m² | +80 m² +98% | 2022 |
| 4, Nesbitt Square897 m away | 159 m² | 232 m² | +73 m² +46% | 2025 |
| 59, Anerley Park741 m away | 140 m² | 211 m² | +71 m² +51% | 2024 |
| 1, Pleydell Avenue508 m away | 102 m² | 172 m² | +70 m² +69% | 2009 |
| 115, Croydon Road952 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.
| 329 m² |
| +68 m² +26% |
| 2017 |
| 14, Milestone Road694 m away | 125 m² | 190 m² | +65 m² +52% | 2024 |
|---|
| 39, Pleydell Avenue508 m away | 62 m² | 127 m² | +65 m² +105% | 2023 |
|---|
| 7, Lansdowne Place770 m away | 153 m² | 214 m² | +61 m² +40% | 2021 |
|---|
| 19, Milestone Road694 m away | 83 m² | 139 m² | +56 m² +67% | 2017 |
|---|
| 22, Milestone Road694 m away | 71 m² | 126 m² | +55 m² +77% | 2022 |
|---|
| 34, Jasmine Grove593 m away | 150 m² | 204 m² | +54 m² +36% | 2024 |
|---|
| 11, Pleydell Avenue508 m away | 43 m² | 96 m² | +53 m² +123% | 2023 |
|---|
| 120, Sylvan Road651 m away | 73 m² | 121 m² | +48 m² +66% | 2023 |
|---|
| 25, Milestone Road694 m away | 87 m² | 135 m² | +48 m² +55% | 2021 |
|---|
| 10a, Avington Grove912 m away | 58 m² | 104 m² | +46 m² +79% | 2025 |
|---|
| 1, The Dell703 m away | 85 m² | 131 m² | +46 m² +54% | 2023 |
|---|
| 38, Auckland Road964 m away | 162 m² | 207 m² | +45 m² +28% | 2026 |
|---|
| 18, Cintra Park597 m away | 86 m² | 130 m² | +44 m² +51% | 2020 |
|---|
| 20, Hamlet Road307 m away | 164 m² | 205 m² | +41 m² +25% | 2017 |
|---|
| 116, Sylvan Road651 m away | 34 m² | 74 m² | +40 m² +118% | 2025 |
|---|
| 8, The Dell703 m away | 90 m² | 130 m² | +40 m² +44% | 2020 |
|---|
| Flat 4, 11, Thicket Road209 m away | 35 m² | 75 m² | +40 m² +114% | 2012 |
|---|
| 21, Patterson Road713 m away | 127 m² | 166 m² | +39 m² +31% | 2011 |
|---|
| Flat 2, 87, Anerley Road72 m away | 63 m² | 101 m² | +38 m² +60% | 2017 |
|---|
| 2, Stambourne Way696 m away | 99 m² | 136 m² | +37 m² +37% | 2024 |
|---|
| Flat C, 25, Hamlet Road258 m away | 38 m² | 75 m² | +37 m² +97% | 2021 |
|---|
| Flat 19, Brooklyn, Anerley Road0 m away | 46 m² | 83 m² | +37 m² +80% | 2014 |
|---|
| 8, Tree View Close836 m away | 114 m² | 150 m² | +36 m² +32% | 2024 |
|---|
| 9, The Dell703 m away | 90 m² | 125 m² | +35 m² +39% | 2025 |
|---|
| 129, Croydon Road952 m away | 227 m² | 262 m² | +35 m² +15% | 2024 |
|---|
| 68, Oakfield Road570 m away | 88 m² | 123 m² | +35 m² +40% | 2014 |
|---|
| Inchbare, Maple Road748 m away | 34 m² | 68 m² | +34 m² +100% | 2023 |
|---|
| 2, Nesbitt Square897 m away | 151 m² | 185 m² | +34 m² +23% | 2019 |
|---|
| 9, Milestone Road694 m away | 90 m² | 124 m² | +34 m² +38% | 2018 |
|---|
| 13, Stodart Road928 m away | 131 m² | 165 m² | +34 m² +26% | 2017 |
|---|
| Flat 2, 10, Thicket Road238 m away | 39 m² | 73 m² | +34 m² +87% | 2016 |
|---|
| 17, Padua Road974 m away | 61 m² | 95 m² | +34 m² +56% | 2016 |
|---|
| 16, Padua Road974 m away | 119 m² | 152 m² | +33 m² +28% | 2026 |
|---|
| 22, Hamlet Road307 m away | 153 m² | 186 m² | +33 m² +22% | 2017 |
|---|
| 22, Fitzroy Gardens981 m away | 43 m² | 76 m² | +33 m² +77% | 2012 |
|---|
| 70, Anerley Park440 m away | 53 m² | 86 m² | +33 m² +62% | 2010 |
|---|
| Flat 7, Park House, Anerley Park168 m away | 57 m² | 90 m² | +33 m² +58% | 2009 |
|---|
| 47, Pleydell Avenue508 m away | 135 m² | 167 m² | +32 m² +24% | 2026 |
|---|
| 114, Anerley Park741 m away | 125 m² | 157 m² | +32 m² +26% | 2026 |
|---|
| 5, Milestone Road694 m away | 94 m² | 125 m² | +31 m² +33% | 2026 |
|---|
| 40, Stodart Road928 m away | 103 m² | 134 m² | +31 m² +30% | 2019 |
|---|
| 1, Wadhurst Close860 m away | 56 m² | 87 m² | +31 m² +55% | 2016 |
|---|
| 4a, Sylvan Hill871 m away | 109 m² | 140 m² | +31 m² +28% | 2016 |
|---|
| 49b, Anerley Park440 m away | 80 m² | 111 m² | +31 m² +39% | 2015 |
|---|
| 4, Silvermere Row960 m away | 86 m² | 117 m² | +31 m² +36% | 2015 |
|---|
| 9d, Warminster Road879 m away | 59 m² | 90 m² | +31 m² +53% | 2009 |
|---|
| 105, Seymour Villas541 m away | 62 m² | 92 m² | +30 m² +48% | 2026 |
|---|
| 1, Brunel Close929 m away | 78 m² | 108 m² | +30 m² +38% | 2015 |
|---|
| Flat 25, Brooklyn, Anerley Road0 m away | 40 m² | 70 m² | +30 m² +75% | 2013 |
|---|
| Flat 32, Hanover Court, Anerley Road456 m away | 38 m² | 67 m² | +29 m² +76% | 2023 |
|---|
| 2, Shelford Rise788 m away | 75 m² | 104 m² | +29 m² +39% | 2023 |
|---|
| 22a, Avington Grove912 m away | 35 m² | 64 m² | +29 m² +83% | 2022 |
|---|
| 42a, Fox Hill480 m away | 97 m² | 126 m² | +29 m² +30% | 2021 |
|---|
| Flat F, 9, Hamlet Road258 m away | 31 m² | 60 m² | +29 m² +94% | 2017 |
|---|
| 14, Shelford Rise788 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
|---|
| 50c, Thicket Road642 m away | 67 m² | 95 m² | +28 m² +42% | 2022 |
|---|
| 14, Ovett Close977 m away | 32 m² | 60 m² | +28 m² +88% | 2015 |
|---|
| 37b, Waldegrave Road335 m away | 37 m² | 63 m² | +26 m² +70% | 2023 |
|---|
| Flat D, 108, Auckland Road756 m away | 60 m² | 86 m² | +26 m² +43% | 2022 |
|---|
| 48, Fox Hill480 m away | 110 m² | 136 m² | +26 m² +24% | 2020 |
|---|
| 2c, Hawthorn Grove623 m away | 96 m² | 122 m² | +26 m² +27% | 2014 |
|---|
| 36, Sylvan Road651 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
|---|
| Flat 5, 110, Auckland Road756 m away | 79 m² | 104 m² | +25 m² +32% | 2020 |
|---|
| 29a, Westow Street913 m away | 86 m² | 111 m² | +25 m² +29% | 2017 |
|---|
| 54, Warminster Road977 m away | 106 m² | 131 m² | +25 m² +24% | 2015 |
|---|
| 24, Trenholme Road456 m away | 75 m² | 99 m² | +24 m² +32% | 2026 |
|---|
| 20, Cintra Park597 m away | 88 m² | 112 m² | +24 m² +27% | 2024 |
|---|
| 1, Seymour Terrace609 m away | 138 m² | 162 m² | +24 m² +17% | 2024 |
|---|
| Flat 1, 68, Belvedere Road308 m away | 89 m² | 113 m² | +24 m² +27% | 2023 |
|---|
| 38, Pleydell Avenue546 m away | 87 m² | 111 m² | +24 m² +28% | 2022 |
|---|
| 197, Church Road860 m away | 156 m² | 180 m² | +24 m² +15% | 2022 |
|---|
| Flat 5, 26, Chestnut Grove766 m away | 45 m² | 69 m² | +24 m² +53% | 2017 |
|---|
| 71, Church Road816 m away | 52 m² | 76 m² | +24 m² +46% | 2012 |
|---|
| 20e, Anerley Hill679 m away | 63 m² | 86 m² | +23 m² +37% | 2026 |
|---|
| 30, Seymour Villas504 m away | 74 m² | 97 m² | +23 m² +31% | 2024 |
|---|
| 58, Hawthorn Grove623 m away | 52 m² | 75 m² | +23 m² +44% | 2017 |
|---|
| 65, William Booth Road193 m away | 40 m² | 63 m² | +23 m² +57% | 2014 |
|---|
| 41, William Booth Road193 m away | 40 m² | 63 m² | +23 m² +57% | 2014 |
|---|
| Flat 29, Carlton Court, Auckland Road663 m away | 47 m² | 70 m² | +23 m² +49% | 2014 |
|---|
| Flat 22, Brooklyn, Anerley Road0 m away | 66 m² | 89 m² | +23 m² +35% | 2012 |
|---|
| 11, Trenholme Road456 m away | 87 m² | 109 m² | +22 m² +25% | 2023 |
|---|
| 24a, Jasmine Grove593 m away | 31 m² | 53 m² | +22 m² +71% | 2020 |
|---|
| Flat 7, 56, Thicket Road642 m away | 41 m² | 63 m² | +22 m² +54% | 2020 |
|---|
| Flat 4, 271, Church Road972 m away | 76 m² | 98 m² | +22 m² +29% | 2020 |
|---|
| Flat 2, 11, Thicket Road209 m away | 35 m² | 57 m² | +22 m² +63% | 2019 |
|---|
| 19, High Street911 m away | 78 m² | 100 m² | +22 m² +28% | 2019 |
|---|
| Flat C, 9, Hamlet Road258 m away | 42 m² | 64 m² | +22 m² +52% | 2017 |
|---|
| Flat 6b, Ellesmere Court, Seymour Villas682 m away | 70 m² | 92 m² | +22 m² +31% | 2017 |
|---|
| Flat 26, Roberts Court, Maple Road883 m away | 39 m² | 61 m² | +22 m² +56% | 2014 |
|---|
| 30, Pleydell Avenue546 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
|---|
| 2a, Milestone Road694 m away | 98 m² | 119 m² | +21 m² +21% | 2023 |
|---|
| Flat 4, 19, Thicket Road209 m away | 30 m² | 51 m² | +21 m² +70% | 2019 |
|---|
| Flat 5, 3, Anerley Hill590 m away | 69 m² | 90 m² | +21 m² +30% | 2019 |
|---|
| Flat 6, 4, Lansdowne Place775 m away | 91 m² | 112 m² | +21 m² +23% | 2019 |
|---|
| Flat 2, Brooklyn, Anerley Road0 m away | 49 m² | 70 m² | +21 m² +43% | 2014 |
|---|
| 10, Graveney Grove783 m away | 82 m² | 103 m² | +21 m² +26% | 2014 |
|---|
| Flat 10, Isis House, 5, Worcester Close179 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
|---|
| Flat 20, Isis House, 5, Worcester Close179 m away | 64 m² | 84 m² | +20 m² +31% | 2023 |
|---|
| 47a, Anerley Park440 m away | 101 m² | 121 m² | +20 m² +20% | 2021 |
|---|
| 16a, Avington Grove912 m away | 84 m² | 104 m² | +20 m² +24% | 2021 |
|---|
| Flat 1, Foxley Manor, 24, Anerley Park238 m away | 27 m² | 47 m² | +20 m² +74% | 2015 |
|---|
| 82c, Westow Hill883 m away | 52 m² | 72 m² | +20 m² +38% | 2015 |
|---|
| 102a, Croydon Road991 m away | 76 m² | 96 m² | +20 m² +26% | 2014 |
|---|
| 68, Sylvan Road651 m away | 73 m² | 93 m² | +20 m² +27% | 2013 |
|---|
| 21a, Waldegrave Road335 m away | 110 m² | 129 m² | +19 m² +17% | 2025 |
|---|
| 192a, Anerley Road538 m away | 40 m² | 59 m² | +19 m² +48% | 2025 |
|---|
| 5, Trenholme Terrace448 m away | 46 m² | 65 m² | +19 m² +41% | 2024 |
|---|
| 11, Carberry Road930 m away | 73 m² | 92 m² | +19 m² +26% | 2019 |
|---|
| 20a, Castledine Road333 m away | 57 m² | 76 m² | +19 m² +33% | 2018 |
|---|
| 23, Ridsdale Road264 m away | 45 m² | 64 m² | +19 m² +42% | 2015 |
|---|
| 5, Cranleigh Close644 m away | 38 m² | 57 m² | +19 m² +50% | 2014 |
|---|
| 83d, Anerley Road72 m away | 94 m² | 113 m² | +19 m² +20% | 2012 |
|---|
| 9, Owen Walk134 m away | 56 m² | 74 m² | +18 m² +32% | 2024 |
|---|
| Flat 16, Readman Court, 42, Jasmine Grove700 m away | 37 m² | 55 m² | +18 m² +49% | 2022 |
|---|
| Flat 7, 70, Auckland Road936 m away | 32 m² | 50 m² | +18 m² +56% | 2022 |
|---|
| Flat 11, 175, Anerley Road528 m away | 42 m² | 60 m² | +18 m² +43% | 2020 |
|---|
| 11, Fitzroy Gardens981 m away | 100 m² | 118 m² | +18 m² +18% | 2020 |
|---|
| 101, Tovil Close865 m away | 82 m² | 100 m² | +18 m² +22% | 2019 |
|---|
| 12, Sheldon Close635 m away | 43 m² | 61 m² | +18 m² +42% | 2015 |
|---|
| Flat 12, Ellesmere Court, Seymour Villas682 m away | 69 m² | 87 m² | +18 m² +26% | 2012 |
|---|
| 185a, Anerley Road696 m away | 70 m² | 88 m² | +18 m² +26% | 2011 |
|---|
| Flat 1, 141, Auckland Road701 m away | 70 m² | 87 m² | +17 m² +24% | 2026 |
|---|
| 4, Shirley Row982 m away | 99 m² | 116 m² | +17 m² +17% | 2023 |
|---|
| 9, Trenholme Road456 m away | 87 m² | 104 m² | +17 m² +20% | 2022 |
|---|
| 2, Buckleigh Way729 m away | 86 m² | 103 m² | +17 m² +20% | 2019 |
|---|
| 12, Maberley Road422 m away | 57 m² | 74 m² | +17 m² +30% | 2018 |
|---|
| 9, Brunel Close929 m away | 73 m² | 90 m² | +17 m² +23% | 2015 |
|---|
| Flat 2, Park Lodge, 80 - 82, Auckland Road876 m away | 47 m² | 64 m² | +17 m² +36% | 2014 |
|---|
| Flat 7, Park Lodge, 80 - 82, Auckland Road876 m away | 53 m² | 70 m² | +17 m² +32% | 2014 |
|---|
| 71, Maple Road878 m away | 76 m² | 93 m² | +17 m² +22% | 2014 |
|---|
| Flat 43, Brooklyn, Anerley Road0 m away | 53 m² | 70 m² | +17 m² +32% | 2013 |
|---|
| Flat 1, 110, Oakfield Road763 m away | 55 m² | 71 m² | +16 m² +29% | 2026 |
|---|
| Flat D, 35, Anerley Park240 m away | 54 m² | 70 m² | +16 m² +30% | 2025 |
|---|
| Flat B, 44, Fox Hill480 m away | 52 m² | 68 m² | +16 m² +31% | 2021 |
|---|
| 21a, Padua Road974 m away | 38 m² | 54 m² | +16 m² +42% | 2021 |
|---|
| Flat 2, 32, Anerley Park246 m away | 58 m² | 74 m² | +16 m² +28% | 2020 |
|---|
| Flat 2, 56a, Church Road840 m away | 74 m² | 90 m² | +16 m² +22% | 2020 |
|---|
| Flat 4, 141, Croydon Road952 m away | 41 m² | 57 m² | +16 m² +39% | 2020 |
|---|
| 6a, Avington Grove912 m away | 86 m² | 102 m² | +16 m² +19% | 2016 |
|---|
| 16, Summit Way827 m away | 95 m² | 110 m² | +15 m² +16% | 2026 |
|---|
| 48, Anerley Park246 m away | 95 m² | 110 m² | +15 m² +16% | 2025 |
|---|
| 20c, Castledine Road333 m away | 35 m² | 50 m² | +15 m² +43% | 2025 |
|---|
| Flat 12, Howard House, Howard Road963 m away | 46 m² | 61 m² | +15 m² +33% | 2025 |
|---|
| 190b, Anerley Road538 m away | 40 m² | 55 m² | +15 m² +38% | 2022 |
|---|
| Flat 9, New Church Court, Waldegrave Road377 m away | 38 m² | 53 m² | +15 m² +39% | 2021 |
|---|
| 5, Patterson Road763 m away | 100 m² | 115 m² | +15 m² +15% | 2021 |
|---|
| Flat C, 13, Crystal Palace Park Road849 m away | 77 m² | 92 m² | +15 m² +19% | 2021 |
|---|
| Flat 2, 95, Anerley Road115 m away | 32 m² | 47 m² | +15 m² +47% | 2020 |
|---|
| 7b, Belvedere Road718 m away | 85 m² | 100 m² | +15 m² +18% | 2019 |
|---|
| 13, Castledine Road333 m away | 46 m² | 61 m² | +15 m² +33% | 2018 |
|---|
| Flat 1, 120, Oakfield Road763 m away | 54 m² | 69 m² | +15 m² +28% | 2018 |
|---|
| 160, Croydon Road895 m away | 32 m² | 47 m² | +15 m² +47% | 2018 |
|---|
| 19, Church Road814 m away | 49 m² | 64 m² | +15 m² +31% | 2017 |
|---|
| 10, Sylvan Hill821 m away | 95 m² | 110 m² | +15 m² +16% | 2017 |
|---|
| 44, Braybrooke Gardens770 m away | 91 m² | 106 m² | +15 m² +16% | 2016 |
|---|
| Flat 25, Anerley Court, Anerley Park566 m away | 33 m² | 48 m² | +15 m² +45% | 2015 |
|---|
| Flat 30, Sherborne Court, Elmers End Road979 m away | 35 m² | 50 m² | +15 m² +43% | 2015 |
|---|
| Flat 2, 47b, Anerley Park440 m away | 44 m² | 59 m² | +15 m² +34% | 2012 |
|---|
| Flat 5, 175, Anerley Road528 m away | 50 m² | 65 m² | +15 m² +30% | 2011 |
|---|
| Flat 5, 56, Thicket Road642 m away | 55 m² | 70 m² | +15 m² +27% | 2011 |
|---|
| 9, High Street911 m away | 30 m² | 45 m² | +15 m² +50% | 2008 |
|---|