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 SE9 3HX
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 |
|---|---|---|---|---|
| 79, Walden Avenue969 m away | 80 m² | 191 m² | +111 m² +139% | 2014 |
| 35, Brownspring Drive687 m away | 81 m² | 184 m² | +103 m² +127% | 2020 |
| 19, Leysdown Road996 m away | 95 m² | 193 m² | +98 m² +103% | 2021 |
| 6, Brownspring Drive646 m away | 79 m² | 174 m² | +95 m² +120% | 2021 |
| 195, White Horse Hill834 m away | 113 m² | 206 m² | +93 m² +82% | 2011 |
| 20, Edgebury866 m away | 73 m² | 165 m² | +92 m² +126% | 2026 |
| 12, Mainridge Road807 m away | 75 m² | 165 m² | +90 m² +120% | 2019 |
| 59, Cadwallon Road631 m away | 99 m² | 188 m² | +89 m² +90% | 2024 |
| 65, Southwood Road688 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.
| 117 m² |
| 203 m² |
| +86 m² +74% |
| 2019 |
| 615, Sidcup Road719 m away | 90 m² | 175 m² | +85 m² +94% | 2017 |
|---|
| 106, Imperial Way828 m away | 114 m² | 195 m² | +81 m² +71% | 2021 |
|---|
| 93, Montbelle Road373 m away | 96 m² | 177 m² | +81 m² +84% | 2016 |
|---|
| 35, Hartsmead Road918 m away | 141 m² | 221 m² | +80 m² +57% | 2019 |
|---|
| 28, Blanmerle Road823 m away | 81 m² | 158 m² | +77 m² +95% | 2022 |
|---|
| 4, Crouch Croft0 m away | 83 m² | 160 m² | +77 m² +93% | 2021 |
|---|
| 18, Clayfarm Road862 m away | 90 m² | 166 m² | +76 m² +84% | 2019 |
|---|
| 29, Lavidge Road945 m away | 109 m² | 184 m² | +75 m² +69% | 2024 |
|---|
| 11, Gravelwood Close776 m away | 86 m² | 160 m² | +74 m² +86% | 2025 |
|---|
| 131, White Horse Hill964 m away | 79 m² | 153 m² | +74 m² +94% | 2017 |
|---|
| 7, Gravelwood Close776 m away | 78 m² | 149 m² | +71 m² +91% | 2026 |
|---|
| 48, Kingsley Wood Drive490 m away | 99 m² | 170 m² | +71 m² +72% | 2024 |
|---|
| 109, Domonic Drive494 m away | 80 m² | 151 m² | +71 m² +89% | 2024 |
|---|
| 51, Mainridge Road803 m away | 79 m² | 149 m² | +70 m² +89% | 2025 |
|---|
| 360, Green Lane276 m away | 95 m² | 163 m² | +68 m² +72% | 2013 |
|---|
| 692, Sidcup Road387 m away | 89 m² | 156 m² | +67 m² +75% | 2019 |
|---|
| 62, Montbelle Road430 m away | 97 m² | 162 m² | +65 m² +67% | 2023 |
|---|
| 165, Domonic Drive662 m away | 92 m² | 157 m² | +65 m² +71% | 2023 |
|---|
| 57, Gerda Road708 m away | 89 m² | 152 m² | +63 m² +71% | 2021 |
|---|
| 305, Mottingham Road700 m away | 93 m² | 155 m² | +62 m² +67% | 2025 |
|---|
| 31, Charldane Road343 m away | 101 m² | 162 m² | +61 m² +60% | 2025 |
|---|
| 23, Chapel Farm Road787 m away | 88 m² | 148 m² | +60 m² +68% | 2023 |
|---|
| 49, Southwood Road688 m away | 142 m² | 202 m² | +60 m² +42% | 2020 |
|---|
| 377a, Footscray Road928 m away | 63 m² | 122 m² | +59 m² +94% | 2024 |
|---|
| 24, Cambridge Green998 m away | 98 m² | 157 m² | +59 m² +60% | 2020 |
|---|
| 45, Chapel Farm Road760 m away | 112 m² | 168 m² | +56 m² +50% | 2025 |
|---|
| 197, Green Lane419 m away | 91 m² | 146 m² | +55 m² +60% | 2025 |
|---|
| 35, Charldane Road343 m away | 114 m² | 169 m² | +55 m² +48% | 2024 |
|---|
| 16, Castleford Avenue980 m away | 104 m² | 159 m² | +55 m² +53% | 2021 |
|---|
| 191, White Horse Hill834 m away | 126 m² | 181 m² | +55 m² +44% | 2018 |
|---|
| 58, Littlemede543 m away | 92 m² | 145 m² | +53 m² +58% | 2014 |
|---|
| 6, Lambarde Avenue698 m away | 85 m² | 138 m² | +53 m² +62% | 2014 |
|---|
| 45, Domonic Drive597 m away | 84 m² | 137 m² | +53 m² +63% | 2012 |
|---|
| 319a, Footscray Road997 m away | 95 m² | 147 m² | +52 m² +55% | 2026 |
|---|
| 645, Sidcup Road719 m away | 137 m² | 189 m² | +52 m² +38% | 2020 |
|---|
| 11, Farmland Walk994 m away | 92 m² | 143 m² | +51 m² +55% | 2026 |
|---|
| 14, Lydstep Road869 m away | 95 m² | 146 m² | +51 m² +54% | 2021 |
|---|
| 57, Slades Drive802 m away | 65 m² | 116 m² | +51 m² +78% | 2019 |
|---|
| 83, Chapel Farm Road760 m away | 133 m² | 184 m² | +51 m² +38% | 2016 |
|---|
| 103, Domonic Drive494 m away | 77 m² | 128 m² | +51 m² +66% | 2015 |
|---|
| 671, Sidcup Road454 m away | 103 m² | 152 m² | +49 m² +48% | 2022 |
|---|
| 55, Domonic Drive597 m away | 34 m² | 83 m² | +49 m² +144% | 2018 |
|---|
| 38, Brownspring Drive646 m away | 95 m² | 143 m² | +48 m² +51% | 2025 |
|---|
| 91, Domonic Drive494 m away | 84 m² | 131 m² | +47 m² +56% | 2026 |
|---|
| 62, Gerda Road710 m away | 106 m² | 153 m² | +47 m² +44% | 2026 |
|---|
| 558, Sidcup Road977 m away | 100 m² | 147 m² | +47 m² +47% | 2026 |
|---|
| 61, Montbelle Road378 m away | 115 m² | 161 m² | +46 m² +40% | 2022 |
|---|
| 71, Crouch Croft272 m away | 77 m² | 123 m² | +46 m² +60% | 2021 |
|---|
| 322, Green Lane71 m away | 144 m² | 189 m² | +45 m² +31% | 2026 |
|---|
| 152, Green Lane863 m away | 105 m² | 150 m² | +45 m² +43% | 2024 |
|---|
| 22, Bowmead905 m away | 123 m² | 168 m² | +45 m² +37% | 2023 |
|---|
| 59, Gerda Road708 m away | 89 m² | 134 m² | +45 m² +51% | 2020 |
|---|
| 44, Montbelle Road430 m away | 101 m² | 146 m² | +45 m² +45% | 2014 |
|---|
| 43, Edgebury802 m away | 84 m² | 128 m² | +44 m² +52% | 2022 |
|---|
| 75, Greenway897 m away | 78 m² | 122 m² | +44 m² +56% | 2017 |
|---|
| 74, Domonic Drive507 m away | 84 m² | 127 m² | +43 m² +51% | 2026 |
|---|
| 55, Mainridge Road803 m away | 119 m² | 162 m² | +43 m² +36% | 2017 |
|---|
| 266, Dunkery Road842 m away | 62 m² | 105 m² | +43 m² +69% | 2016 |
|---|
| 29, Leas Dale260 m away | 86 m² | 129 m² | +43 m² +50% | 2015 |
|---|
| 91, Imperial Way828 m away | 119 m² | 161 m² | +42 m² +35% | 2016 |
|---|
| 26, Mervyn Avenue862 m away | 92 m² | 133 m² | +41 m² +45% | 2022 |
|---|
| 105, Gerda Road805 m away | 86 m² | 127 m² | +41 m² +48% | 2017 |
|---|
| 42, Cadwallon Road600 m away | 95 m² | 136 m² | +41 m² +43% | 2015 |
|---|
| 28, The Knole722 m away | 72 m² | 112 m² | +40 m² +56% | 2026 |
|---|
| 64, Greenway941 m away | 113 m² | 153 m² | +40 m² +35% | 2026 |
|---|
| 67, Edgebury985 m away | 93 m² | 133 m² | +40 m² +43% | 2025 |
|---|
| 38, Charldane Road335 m away | 96 m² | 136 m² | +40 m² +42% | 2018 |
|---|
| 82, Domonic Drive507 m away | 86 m² | 126 m² | +40 m² +47% | 2015 |
|---|
| 416, Green Lane511 m away | 100 m² | 140 m² | +40 m² +40% | 2014 |
|---|
| 93, Edgebury985 m away | 123 m² | 162 m² | +39 m² +32% | 2022 |
|---|
| 22, Felhampton Road185 m away | 96 m² | 135 m² | +39 m² +41% | 2017 |
|---|
| 371, Green Lane642 m away | 77 m² | 116 m² | +39 m² +51% | 2012 |
|---|
| 17, Hartsmead Road918 m away | 108 m² | 146 m² | +38 m² +35% | 2025 |
|---|
| 796, Sidcup Road321 m away | 110 m² | 148 m² | +38 m² +35% | 2021 |
|---|
| 113, Domonic Drive494 m away | 89 m² | 127 m² | +38 m² +43% | 2021 |
|---|
| 31, Hever Croft742 m away | 91 m² | 128 m² | +37 m² +41% | 2025 |
|---|
| 57, Crouch Croft272 m away | 79 m² | 116 m² | +37 m² +47% | 2023 |
|---|
| 376, Green Lane276 m away | 144 m² | 181 m² | +37 m² +26% | 2023 |
|---|
| 32, Parkview Road528 m away | 85 m² | 122 m² | +37 m² +44% | 2019 |
|---|
| 2, Brownspring Drive646 m away | 110 m² | 145 m² | +35 m² +32% | 2026 |
|---|
| 77, Brownspring Drive687 m away | 78 m² | 113 m² | +35 m² +45% | 2026 |
|---|
| 43, Gerda Road708 m away | 80 m² | 115 m² | +35 m² +44% | 2025 |
|---|
| 283, Mottingham Road700 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
|---|
| 8, Bercta Road768 m away | 148 m² | 183 m² | +35 m² +24% | 2021 |
|---|
| 124, Imperial Way828 m away | 76 m² | 111 m² | +35 m² +46% | 2020 |
|---|
| 60, Edgebury866 m away | 84 m² | 118 m² | +34 m² +40% | 2024 |
|---|
| 689, Sidcup Road454 m away | 122 m² | 156 m² | +34 m² +28% | 2023 |
|---|
| 140, William Barefoot Drive627 m away | 91 m² | 125 m² | +34 m² +37% | 2023 |
|---|
| 438, Footscray Road850 m away | 101 m² | 135 m² | +34 m² +34% | 2020 |
|---|
| 43, Montbelle Road378 m away | 135 m² | 168 m² | +33 m² +24% | 2026 |
|---|
| 8, Walden Avenue959 m away | 74 m² | 107 m² | +33 m² +45% | 2022 |
|---|
| 81, Parkview Road489 m away | 110 m² | 143 m² | +33 m² +30% | 2020 |
|---|
| 271, Mottingham Road700 m away | 97 m² | 129 m² | +32 m² +33% | 2026 |
|---|
| 131, Green Lane889 m away | 132 m² | 164 m² | +32 m² +24% | 2024 |
|---|
| 1, Walkden Road922 m away | 119 m² | 151 m² | +32 m² +27% | 2024 |
|---|
| 42, Brownspring Drive646 m away | 117 m² | 149 m² | +32 m² +27% | 2020 |
|---|
| 826, Sidcup Road321 m away | 96 m² | 128 m² | +32 m² +33% | 2018 |
|---|
| 53, Greenway897 m away | 82 m² | 113 m² | +31 m² +38% | 2026 |
|---|
| 402a, Footscray Road850 m away | 63 m² | 94 m² | +31 m² +49% | 2024 |
|---|
| 440, Footscray Road850 m away | 104 m² | 135 m² | +31 m² +30% | 2020 |
|---|
| 18, The Underwood555 m away | 92 m² | 123 m² | +31 m² +34% | 2019 |
|---|
| 11, Toynbec Close880 m away | 133 m² | 163 m² | +30 m² +23% | 2022 |
|---|
| 127, Brownspring Drive630 m away | 76 m² | 106 m² | +30 m² +39% | 2016 |
|---|
| 91, Crouch Croft272 m away | 113 m² | 142 m² | +29 m² +26% | 2021 |
|---|
| 6, Shallons Road517 m away | 78 m² | 107 m² | +29 m² +37% | 2017 |
|---|
| 79, Montbelle Road378 m away | 99 m² | 128 m² | +29 m² +29% | 2016 |
|---|
| 115, Southwood Road397 m away | 102 m² | 130 m² | +28 m² +27% | 2026 |
|---|
| 38, Wynford Way604 m away | 85 m² | 113 m² | +28 m² +33% | 2025 |
|---|
| 143, William Barefoot Drive664 m away | 87 m² | 115 m² | +28 m² +32% | 2024 |
|---|
| 1, Cadwallon Road631 m away | 109 m² | 137 m² | +28 m² +26% | 2022 |
|---|
| 13, Molescroft679 m away | 95 m² | 123 m² | +28 m² +29% | 2022 |
|---|
| 25, Hillview Road841 m away | 74 m² | 102 m² | +28 m² +38% | 2022 |
|---|
| 3, Nunnington Close999 m away | 92 m² | 120 m² | +28 m² +30% | 2022 |
|---|
| 106, Blanmerle Road794 m away | 84 m² | 112 m² | +28 m² +33% | 2020 |
|---|
| 14, Ivor Grove924 m away | 100 m² | 128 m² | +28 m² +28% | 2017 |
|---|
| 47, Woodcroft600 m away | 101 m² | 129 m² | +28 m² +28% | 2014 |
|---|
| 1, Offenham Road872 m away | 73 m² | 100 m² | +27 m² +37% | 2026 |
|---|
| 6a, Parkview Road528 m away | 60 m² | 87 m² | +27 m² +45% | 2024 |
|---|
| 35, Chapel Farm Road787 m away | 106 m² | 133 m² | +27 m² +25% | 2015 |
|---|
| 193, Mottingham Road931 m away | 66 m² | 92 m² | +26 m² +39% | 2026 |
|---|
| 98, Domonic Drive507 m away | 91 m² | 117 m² | +26 m² +29% | 2025 |
|---|
| 22, Cadwallon Road600 m away | 89 m² | 115 m² | +26 m² +29% | 2023 |
|---|
| 287, Dunkery Road847 m away | 61 m² | 87 m² | +26 m² +43% | 2022 |
|---|
| 4, Ravenscroft Crescent829 m away | 55 m² | 81 m² | +26 m² +47% | 2021 |
|---|
| 39, Biddenden Way643 m away | 89 m² | 115 m² | +26 m² +29% | 2014 |
|---|
| 311, Dunkery Road847 m away | 65 m² | 91 m² | +26 m² +40% | 2014 |
|---|
| 26, Southold Rise590 m away | 90 m² | 115 m² | +25 m² +28% | 2022 |
|---|
| 91, Edgebury985 m away | 110 m² | 135 m² | +25 m² +23% | 2020 |
|---|
| 13, Greenway983 m away | 82 m² | 106 m² | +24 m² +29% | 2026 |
|---|
| 17, Greenway983 m away | 92 m² | 116 m² | +24 m² +26% | 2023 |
|---|
| 34, Hillview Road895 m away | 74 m² | 98 m² | +24 m² +32% | 2021 |
|---|
| 85, Brownspring Drive687 m away | 140 m² | 163 m² | +23 m² +16% | 2026 |
|---|
| 50, Mainridge Road807 m away | 93 m² | 116 m² | +23 m² +25% | 2026 |
|---|
| 65, White Horse Hill964 m away | 65 m² | 88 m² | +23 m² +35% | 2012 |
|---|
| 337, Green Lane411 m away | 98 m² | 120 m² | +22 m² +22% | 2025 |
|---|
| 173, Green Lane889 m away | 84 m² | 106 m² | +22 m² +26% | 2024 |
|---|
| 111, Parkview Road489 m away | 49 m² | 71 m² | +22 m² +45% | 2023 |
|---|
| 166, Domonic Drive662 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
|---|
| 109, Brownspring Drive630 m away | 83 m² | 104 m² | +21 m² +25% | 2024 |
|---|
| 34, County Gate957 m away | 113 m² | 134 m² | +21 m² +19% | 2023 |
|---|
| 206, Mottingham Road803 m away | 76 m² | 97 m² | +21 m² +28% | 2021 |
|---|
| 17, Beechwood Rise932 m away | 108 m² | 129 m² | +21 m² +19% | 2018 |
|---|
| 55, Brownspring Drive687 m away | 77 m² | 98 m² | +21 m² +27% | 2017 |
|---|
| 12, Walkden Road922 m away | 97 m² | 118 m² | +21 m² +22% | 2017 |
|---|
| 68, White Horse Hill940 m away | 73 m² | 94 m² | +21 m² +29% | 2017 |
|---|
| 12, Kingsley Wood Drive670 m away | 91 m² | 112 m² | +21 m² +23% | 2016 |
|---|
| 100, Chapel Farm Road804 m away | 113 m² | 134 m² | +21 m² +19% | 2012 |
|---|
| 15, Oaktree Gardens393 m away | 83 m² | 103 m² | +20 m² +24% | 2024 |
|---|
| 44, Mainridge Road807 m away | 92 m² | 112 m² | +20 m² +22% | 2024 |
|---|
| 159, Green Lane889 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
|---|
| 8, Woodcroft629 m away | 101 m² | 121 m² | +20 m² +20% | 2021 |
|---|
| 20, Broad Lawn710 m away | 100 m² | 120 m² | +20 m² +20% | 2021 |
|---|
| 53, Blanmerle Road791 m away | 79 m² | 99 m² | +20 m² +25% | 2018 |
|---|
| 23, Slades Drive948 m away | 66 m² | 86 m² | +20 m² +30% | 2015 |
|---|
| 18, Wynford Way604 m away | 87 m² | 106 m² | +19 m² +22% | 2026 |
|---|
| 54, Wynford Way604 m away | 85 m² | 104 m² | +19 m² +22% | 2026 |
|---|
| 56, Slades Drive802 m away | 120 m² | 139 m² | +19 m² +16% | 2026 |
|---|
| 58, Chapel Farm Road804 m away | 105 m² | 124 m² | +19 m² +18% | 2026 |
|---|
| 14, Prestbury Square796 m away | 65 m² | 84 m² | +19 m² +29% | 2025 |
|---|
| 672, Sidcup Road387 m away | 113 m² | 132 m² | +19 m² +17% | 2022 |
|---|
| 82b, Green Lane916 m away | 45 m² | 64 m² | +19 m² +42% | 2021 |
|---|
| 183, White Horse Hill834 m away | 118 m² | 137 m² | +19 m² +16% | 2020 |
|---|
| 69, Great Harry Drive413 m away | 97 m² | 116 m² | +19 m² +20% | 2015 |
|---|
| 24, Woodcroft629 m away | 87 m² | 106 m² | +19 m² +22% | 2015 |
|---|
| 86, Green Lane916 m away | 64 m² | 82 m² | +18 m² +28% | 2025 |
|---|
| 82, Prestbury Square965 m away | 62 m² | 80 m² | +18 m² +29% | 2025 |
|---|
| 332, Footscray Road997 m away | 73 m² | 91 m² | +18 m² +25% | 2025 |
|---|
| 50, Greenway941 m away | 91 m² | 109 m² | +18 m² +20% | 2023 |
|---|
| 25, Gerda Road708 m away | 108 m² | 126 m² | +18 m² +17% | 2021 |
|---|
| 8, Farmland Walk994 m away | 110 m² | 128 m² | +18 m² +16% | 2020 |
|---|
| 151, Green Lane889 m away | 79 m² | 97 m² | +18 m² +23% | 2018 |
|---|
| 34, Slades Drive802 m away | 64 m² | 82 m² | +18 m² +28% | 2017 |
|---|
| 99, White Horse Hill964 m away | 33 m² | 51 m² | +18 m² +55% | 2015 |
|---|
| 50, Larchwood Road544 m away | 78 m² | 96 m² | +18 m² +23% | 2011 |
|---|
| 106, Edgehill Road925 m away | 57 m² | 74 m² | +17 m² +30% | 2025 |
|---|
| 23, Cadwallon Road631 m away | 91 m² | 108 m² | +17 m² +19% | 2022 |
|---|
| 132b, Blanmerle Road794 m away | 78 m² | 95 m² | +17 m² +22% | 2021 |
|---|
| 20, Adderley Gardens619 m away | 95 m² | 112 m² | +17 m² +18% | 2019 |
|---|
| 44, Hillview Road895 m away | 56 m² | 73 m² | +17 m² +30% | 2016 |
|---|
| 22, Woodcroft629 m away | 93 m² | 109 m² | +16 m² +17% | 2025 |
|---|
| 126, Imperial Way828 m away | 75 m² | 91 m² | +16 m² +21% | 2025 |
|---|
| 27, Bowmead905 m away | 72 m² | 88 m² | +16 m² +22% | 2021 |
|---|
| Flat 1, 143, White Horse Hill964 m away | 47 m² | 63 m² | +16 m² +34% | 2018 |
|---|
| 5, Brownspring Drive687 m away | 87 m² | 102 m² | +15 m² +17% | 2026 |
|---|
| 53, Jason Walk597 m away | 60 m² | 75 m² | +15 m² +25% | 2025 |
|---|
| 55, Wynford Way431 m away | 52 m² | 67 m² | +15 m² +29% | 2023 |
|---|
| Flat 1, 79, Southwood Road511 m away | 66 m² | 81 m² | +15 m² +23% | 2021 |
|---|
| 46, Mainridge Road807 m away | 81 m² | 96 m² | +15 m² +19% | 2019 |
|---|
| 472a, Footscray Road934 m away | 53 m² | 68 m² | +15 m² +28% | 2014 |
|---|