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 B20 1JP
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 |
|---|---|---|---|---|
| 39, Englestede Close869 m away | 180 m² | 377 m² | +197 m² +109% | 2026 |
| 134, Beauchamp Avenue341 m away | 116 m² | 279 m² | +163 m² +141% | 2024 |
| 31, St Christophers704 m away | 117 m² | 262 m² | +145 m² +124% | 2020 |
| 77, Underwood Road84 m away | 135 m² | 276 m² | +141 m² +104% | 2018 |
| 1, St Davids Grove618 m away | 133 m² | 265 m² | +132 m² +99% | 2016 |
| 278, Rocky Lane914 m away | 194 m² | 319 m² | +125 m² +64% | 2024 |
| 98, Hamstead Hall Avenue170 m away | 99 m² | 213 m² | +114 m² +115% | 2022 |
| 56, Craythorne Avenue358 m away | 89 m² | 193 m² | +104 m² +117% | 2023 |
| 54, Underwood Road127 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.
| 101 m² |
| 200 m² |
| +99 m² +98% |
| 2021 |
| 22, Woodcroft Avenue932 m away | 92 m² | 181 m² | +89 m² +97% | 2020 |
|---|
| 73, Walcot Drive718 m away | 70 m² | 159 m² | +89 m² +127% | 2017 |
|---|
| 10, Ireton Road756 m away | 96 m² | 185 m² | +89 m² +93% | 2010 |
|---|
| 65, West Avenue632 m away | 95 m² | 173 m² | +78 m² +82% | 2016 |
|---|
| 1, Grestone Avenue962 m away | 125 m² | 200 m² | +75 m² +60% | 2013 |
|---|
| 25, Englestede Close869 m away | 199 m² | 270 m² | +71 m² +36% | 2015 |
|---|
| 11, Brosil Avenue715 m away | 101 m² | 171 m² | +70 m² +69% | 2016 |
|---|
| 14, Beechglade590 m away | 91 m² | 159 m² | +68 m² +75% | 2019 |
|---|
| 100, West Avenue632 m away | 109 m² | 173 m² | +64 m² +59% | 2021 |
|---|
| 124, Handsworth Wood Road932 m away | 207 m² | 266 m² | +59 m² +29% | 2020 |
|---|
| 70, Wheaton Vale803 m away | 115 m² | 173 m² | +58 m² +50% | 2021 |
|---|
| 58, Hamstead Hill494 m away | 121 m² | 179 m² | +58 m² +48% | 2015 |
|---|
| 18, St Annes Close732 m away | 80 m² | 136 m² | +56 m² +70% | 2020 |
|---|
| 21, Leopold Avenue259 m away | 97 m² | 152 m² | +55 m² +57% | 2025 |
|---|
| 69, Craythorne Avenue325 m away | 84 m² | 137 m² | +53 m² +63% | 2025 |
|---|
| 99, Grestone Avenue622 m away | 107 m² | 158 m² | +51 m² +48% | 2020 |
|---|
| 27, Camplin Crescent281 m away | 100 m² | 150 m² | +50 m² +50% | 2020 |
|---|
| 56, Wheaton Vale803 m away | 82 m² | 131 m² | +49 m² +60% | 2026 |
|---|
| 34, Camplin Crescent281 m away | 89 m² | 138 m² | +49 m² +55% | 2015 |
|---|
| 14, The Grange690 m away | 166 m² | 213 m² | +47 m² +28% | 2023 |
|---|
| 98, Beauchamp Avenue341 m away | 97 m² | 141 m² | +44 m² +45% | 2024 |
|---|
| 27, Sunningdale Close454 m away | 125 m² | 169 m² | +44 m² +35% | 2015 |
|---|
| 16, Sunningdale Close454 m away | 50 m² | 94 m² | +44 m² +88% | 2014 |
|---|
| 10, Brosil Avenue715 m away | 122 m² | 166 m² | +44 m² +36% | 2013 |
|---|
| 21, Sunningdale Close454 m away | 121 m² | 164 m² | +43 m² +36% | 2016 |
|---|
| 57, Millfield Road254 m away | 90 m² | 131 m² | +41 m² +46% | 2026 |
|---|
| 32, Camplin Crescent281 m away | 82 m² | 123 m² | +41 m² +50% | 2025 |
|---|
| 52, Greenridge Road0 m away | 111 m² | 152 m² | +41 m² +37% | 2014 |
|---|
| 9, The Grange690 m away | 156 m² | 194 m² | +38 m² +24% | 2025 |
|---|
| 4, Bewlys Avenue262 m away | 69 m² | 107 m² | +38 m² +55% | 2024 |
|---|
| 5, St Christophers704 m away | 196 m² | 234 m² | +38 m² +19% | 2024 |
|---|
| 89, Walcot Drive718 m away | 69 m² | 106 m² | +37 m² +54% | 2016 |
|---|
| 108, Leopold Avenue185 m away | 100 m² | 136 m² | +36 m² +36% | 2019 |
|---|
| 18, Sunningdale Close454 m away | 79 m² | 115 m² | +36 m² +46% | 2015 |
|---|
| 10, The Slieve981 m away | 177 m² | 213 m² | +36 m² +20% | 2015 |
|---|
| 28a, Hamstead Hill624 m away | 118 m² | 154 m² | +36 m² +31% | 2012 |
|---|
| 67, Grestone Avenue789 m away | 99 m² | 134 m² | +35 m² +35% | 2017 |
|---|
| 4, The Slieve981 m away | 134 m² | 168 m² | +34 m² +25% | 2018 |
|---|
| 94, Beauchamp Avenue259 m away | 112 m² | 146 m² | +34 m² +30% | 2016 |
|---|
| 5, High Trees710 m away | 52 m² | 85 m² | +33 m² +63% | 2022 |
|---|
| 199, Cherry Orchard Road830 m away | 115 m² | 148 m² | +33 m² +29% | 2018 |
|---|
| 25, Chalcot Grove325 m away | 83 m² | 115 m² | +32 m² +39% | 2019 |
|---|
| 18, Vernon Avenue408 m away | 163 m² | 195 m² | +32 m² +20% | 2017 |
|---|
| 17, Acfold Road346 m away | 122 m² | 153 m² | +31 m² +25% | 2016 |
|---|
| 245, Hamstead Road953 m away | 60 m² | 90 m² | +30 m² +50% | 2024 |
|---|
| 34, West Avenue845 m away | 119 m² | 149 m² | +30 m² +25% | 2023 |
|---|
| 4, Ebley Road846 m away | 98 m² | 127 m² | +29 m² +30% | 2025 |
|---|
| 67, Acfold Road414 m away | 91 m² | 120 m² | +29 m² +32% | 2013 |
|---|
| 131, Millfield Road305 m away | 94 m² | 122 m² | +28 m² +30% | 2022 |
|---|
| 25, Medcroft Avenue387 m away | 95 m² | 123 m² | +28 m² +29% | 2022 |
|---|
| 95, Hamstead Hill505 m away | 148 m² | 175 m² | +27 m² +18% | 2024 |
|---|
| 84, Greenway596 m away | 58 m² | 85 m² | +27 m² +47% | 2024 |
|---|
| 35, West Avenue845 m away | 82 m² | 109 m² | +27 m² +33% | 2023 |
|---|
| 42, Hamstead Hill624 m away | 143 m² | 169 m² | +26 m² +18% | 2016 |
|---|
| 47, Beauchamp Avenue300 m away | 130 m² | 156 m² | +26 m² +20% | 2014 |
|---|
| 98, Millfield Road228 m away | 72 m² | 97 m² | +25 m² +35% | 2025 |
|---|
| 32, Lloyd Road939 m away | 101 m² | 126 m² | +25 m² +25% | 2021 |
|---|
| 6, The Slieve981 m away | 147 m² | 172 m² | +25 m² +17% | 2015 |
|---|
| 18, Almond Croft987 m away | 74 m² | 99 m² | +25 m² +34% | 2013 |
|---|
| 35, Richmond Croft851 m away | 76 m² | 100 m² | +24 m² +32% | 2026 |
|---|
| 6, Manway Close419 m away | 116 m² | 140 m² | +24 m² +21% | 2014 |
|---|
| 55, West Avenue767 m away | 76 m² | 99 m² | +23 m² +30% | 2023 |
|---|
| 18, Montana Avenue869 m away | 82 m² | 105 m² | +23 m² +28% | 2019 |
|---|
| 9, Grasmere Close992 m away | 57 m² | 80 m² | +23 m² +40% | 2018 |
|---|
| 24, Greenridge Road0 m away | 97 m² | 120 m² | +23 m² +24% | 2015 |
|---|
| 100, Beauchamp Avenue341 m away | 73 m² | 96 m² | +23 m² +32% | 2015 |
|---|
| 79, Grestone Avenue789 m away | 93 m² | 115 m² | +22 m² +24% | 2022 |
|---|
| 20, The Slieve981 m away | 137 m² | 159 m² | +22 m² +16% | 2018 |
|---|
| 11, Sedgley Grove218 m away | 85 m² | 107 m² | +22 m² +26% | 2017 |
|---|
| 11, Medcroft Avenue387 m away | 90 m² | 111 m² | +21 m² +23% | 2024 |
|---|
| 109, Grestone Avenue622 m away | 91 m² | 112 m² | +21 m² +23% | 2024 |
|---|
| 108, Beauchamp Avenue341 m away | 91 m² | 112 m² | +21 m² +23% | 2016 |
|---|
| 1, Throstles Close928 m away | 72 m² | 93 m² | +21 m² +29% | 2015 |
|---|
| 160, Grestone Avenue451 m away | 94 m² | 114 m² | +20 m² +21% | 2026 |
|---|
| 28, Craythorne Avenue358 m away | 96 m² | 116 m² | +20 m² +21% | 2020 |
|---|
| 35, Coleraine Road909 m away | 72 m² | 92 m² | +20 m² +28% | 2013 |
|---|
| 41, Lloyd Road939 m away | 80 m² | 99 m² | +19 m² +24% | 2026 |
|---|
| 102, West Avenue632 m away | 98 m² | 117 m² | +19 m² +19% | 2018 |
|---|
| 144, Millfield Road305 m away | 78 m² | 97 m² | +19 m² +24% | 2014 |
|---|
| 7, Richmond Croft851 m away | 92 m² | 111 m² | +19 m² +21% | 2014 |
|---|
| 4, Garden Grove510 m away | 105 m² | 123 m² | +18 m² +17% | 2024 |
|---|
| 14, Brosil Avenue715 m away | 118 m² | 136 m² | +18 m² +15% | 2016 |
|---|
| 327, Rocky Lane943 m away | 96 m² | 114 m² | +18 m² +19% | 2016 |
|---|
| 1, Ireton Road756 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
|---|
| 7, Millfield Road254 m away | 89 m² | 106 m² | +17 m² +19% | 2023 |
|---|
| 92, Woodend662 m away | 103 m² | 120 m² | +17 m² +17% | 2021 |
|---|
| 23, Wheaton Vale760 m away | 80 m² | 97 m² | +17 m² +21% | 2016 |
|---|
| 15, Millfield Road254 m away | 78 m² | 95 m² | +17 m² +22% | 2015 |
|---|
| 402, Rocky Lane726 m away | 66 m² | 83 m² | +17 m² +26% | 2015 |
|---|
| 68, Acfold Road414 m away | 95 m² | 112 m² | +17 m² +18% | 2014 |
|---|
| 36, Coleraine Road905 m away | 60 m² | 77 m² | +17 m² +28% | 2014 |
|---|
| 71, Greenway544 m away | 77 m² | 93 m² | +16 m² +21% | 2024 |
|---|
| 94, Millfield Road228 m away | 69 m² | 85 m² | +16 m² +23% | 2023 |
|---|
| 4, Barnfield Grove396 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
|---|
| 82, Millfield Road228 m away | 96 m² | 112 m² | +16 m² +17% | 2016 |
|---|
| 3, Barnfield Grove396 m away | 99 m² | 115 m² | +16 m² +16% | 2016 |
|---|
| 24, Weeford Drive425 m away | 80 m² | 96 m² | +16 m² +20% | 2015 |
|---|
| 7, Coleraine Road909 m away | 61 m² | 77 m² | +16 m² +26% | 2014 |
|---|
| 49, Coleraine Road909 m away | 65 m² | 80 m² | +15 m² +23% | 2025 |
|---|
| 44, Baltimore Road828 m away | 71 m² | 86 m² | +15 m² +21% | 2024 |
|---|