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 HA3 6DG
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 |
|---|---|---|---|---|
| 9, Bentley Way969 m away | 177 m² | 383 m² | +206 m² +116% | 2023 |
| Hermitage Gate, Clamp Hill497 m away | 358 m² | 509 m² | +151 m² +42% | 2026 |
| 3, Bellfield Avenue773 m away | 108 m² | 251 m² | +143 m² +132% | 2014 |
| 17, West Drive589 m away | 157 m² | 295 m² | +138 m² +88% | 2017 |
| Hookwood, Clamp Hill373 m away | 121 m² | 252 m² | +131 m² +108% | 2011 |
| Hillingdon, Clamp Hill743 m away | 88 m² | 214 m² | +126 m² +143% | 2024 |
| 72, Elms Road215 m away | 98 m² | 222 m² | +124 m² +127% | 2012 |
| 12, Kelvin Crescent112 m away | 110 m² | 233 m² | +123 m² +112% | 2015 |
| 4, Bellfield Avenue726 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.
| 181 m² |
| 293 m² |
| +112 m² +62% |
| 2025 |
| 32, Elms Road368 m away | 154 m² | 263 m² | +109 m² +71% | 2023 |
|---|
| 1, The Chase963 m away | 115 m² | 216 m² | +101 m² +88% | 2026 |
|---|
| 98, Elms Road246 m away | 79 m² | 178 m² | +99 m² +125% | 2025 |
|---|
| 179, Uxbridge Road330 m away | 81 m² | 180 m² | +99 m² +122% | 2020 |
|---|
| 20, Chartley Avenue616 m away | 88 m² | 180 m² | +92 m² +105% | 2021 |
|---|
| Fourwinds, Brookshill947 m away | 214 m² | 306 m² | +92 m² +43% | 2015 |
|---|
| 37, Chestnut Drive641 m away | 68 m² | 160 m² | +92 m² +135% | 2011 |
|---|
| 7, Bellfield Avenue773 m away | 273 m² | 360 m² | +87 m² +32% | 2024 |
|---|
| 29, Drummond Drive658 m away | 96 m² | 181 m² | +85 m² +89% | 2018 |
|---|
| 9, Bellfield Avenue773 m away | 83 m² | 167 m² | +84 m² +101% | 2010 |
|---|
| 6, Mead Close964 m away | 64 m² | 147 m² | +83 m² +130% | 2024 |
|---|
| 113, College Hill Road710 m away | 134 m² | 216 m² | +82 m² +61% | 2017 |
|---|
| Fernleigh, Clamp Hill743 m away | 100 m² | 181 m² | +81 m² +81% | 2020 |
|---|
| 7, West Drive589 m away | 177 m² | 255 m² | +78 m² +44% | 2026 |
|---|
| 31, Weald Lane979 m away | 99 m² | 177 m² | +78 m² +79% | 2026 |
|---|
| 8, Ashdale Grove761 m away | 70 m² | 148 m² | +78 m² +111% | 2024 |
|---|
| 27, Kenneth Gardens809 m away | 72 m² | 150 m² | +78 m² +108% | 2018 |
|---|
| 12, Boxtree Road467 m away | 97 m² | 173 m² | +76 m² +78% | 2023 |
|---|
| 15, Binyon Crescent549 m away | 88 m² | 164 m² | +76 m² +86% | 2014 |
|---|
| 13, Bentley Way969 m away | 136 m² | 209 m² | +73 m² +54% | 2025 |
|---|
| 92, College Hill Road633 m away | 85 m² | 158 m² | +73 m² +86% | 2022 |
|---|
| 11, Bellfield Avenue773 m away | 139 m² | 210 m² | +71 m² +51% | 2019 |
|---|
| 5, Chartley Avenue647 m away | 78 m² | 148 m² | +70 m² +90% | 2020 |
|---|
| 3, Warburton Close745 m away | 136 m² | 205 m² | +69 m² +51% | 2026 |
|---|
| 22, Monro Gardens268 m away | 108 m² | 175 m² | +67 m² +62% | 2022 |
|---|
| 65, Binyon Crescent658 m away | 91 m² | 155 m² | +64 m² +70% | 2023 |
|---|
| 2, Winston Close324 m away | 84 m² | 147 m² | +63 m² +75% | 2025 |
|---|
| 29, The Avenue845 m away | 102 m² | 164 m² | +62 m² +61% | 2020 |
|---|
| Newbridge, Brookshill343 m away | 154 m² | 215 m² | +61 m² +40% | 2025 |
|---|
| 21, Whitegate Gardens454 m away | 82 m² | 141 m² | +59 m² +72% | 2020 |
|---|
| 9, Clamp Hill373 m away | 135 m² | 193 m² | +58 m² +43% | 2019 |
|---|
| 28, Elms Road368 m away | 177 m² | 234 m² | +57 m² +32% | 2024 |
|---|
| 40, College Avenue804 m away | 123 m² | 179 m² | +56 m² +46% | 2026 |
|---|
| 15, Boxtree Lane634 m away | 76 m² | 132 m² | +56 m² +74% | 2023 |
|---|
| 162, College Hill Road384 m away | 105 m² | 160 m² | +55 m² +52% | 2025 |
|---|
| 34, Drummond Drive623 m away | 102 m² | 156 m² | +54 m² +53% | 2022 |
|---|
| 9, Daventer Drive730 m away | 72 m² | 125 m² | +53 m² +74% | 2026 |
|---|
| 9, Ash Close744 m away | 220 m² | 273 m² | +53 m² +24% | 2026 |
|---|
| 63, College Road633 m away | 166 m² | 218 m² | +52 m² +31% | 2024 |
|---|
| 37, Weighton Road811 m away | 98 m² | 150 m² | +52 m² +53% | 2024 |
|---|
| 95, College Hill Road710 m away | 116 m² | 168 m² | +52 m² +45% | 2019 |
|---|
| 15, Park Rise924 m away | 114 m² | 165 m² | +51 m² +45% | 2022 |
|---|
| 107, Drummond Drive950 m away | 107 m² | 157 m² | +50 m² +47% | 2019 |
|---|
| 25, Whitegate Gardens454 m away | 122 m² | 171 m² | +49 m² +40% | 2026 |
|---|
| 878, Kenton Lane406 m away | 75 m² | 124 m² | +49 m² +65% | 2025 |
|---|
| 1, Stamford Close169 m away | 140 m² | 188 m² | +48 m² +34% | 2015 |
|---|
| 787, Kenton Lane360 m away | 104 m² | 152 m² | +48 m² +46% | 2015 |
|---|
| 8, Silver Close688 m away | 81 m² | 128 m² | +47 m² +58% | 2026 |
|---|
| 114, College Road665 m away | 243 m² | 290 m² | +47 m² +19% | 2014 |
|---|
| 40, The Avenue811 m away | 87 m² | 134 m² | +47 m² +54% | 2012 |
|---|
| 11, Park Rise924 m away | 90 m² | 136 m² | +46 m² +51% | 2020 |
|---|
| 724, Kenton Lane631 m away | 118 m² | 163 m² | +45 m² +38% | 2025 |
|---|
| 2, Drummond Drive623 m away | 149 m² | 194 m² | +45 m² +30% | 2023 |
|---|
| 55, Uxbridge Road559 m away | 207 m² | 252 m² | +45 m² +22% | 2014 |
|---|
| 25, Wynchgate390 m away | 77 m² | 122 m² | +45 m² +58% | 2013 |
|---|
| 72, Drummond Drive764 m away | 92 m² | 136 m² | +44 m² +48% | 2017 |
|---|
| 188, Uxbridge Road900 m away | 125 m² | 169 m² | +44 m² +35% | 2014 |
|---|
| 28, Whitegate Gardens409 m away | 95 m² | 139 m² | +44 m² +46% | 2013 |
|---|
| 20, West Drive625 m away | 190 m² | 233 m² | +43 m² +23% | 2012 |
|---|
| 65, Long Elmes875 m away | 76 m² | 118 m² | +42 m² +55% | 2026 |
|---|
| 5, Kelvin Crescent112 m away | 113 m² | 153 m² | +40 m² +35% | 2025 |
|---|
| 483, High Road325 m away | 94 m² | 134 m² | +40 m² +43% | 2025 |
|---|
| 25, College Hill Road965 m away | 38 m² | 78 m² | +40 m² +105% | 2022 |
|---|
| 71, Hutton Lane850 m away | 89 m² | 128 m² | +39 m² +44% | 2023 |
|---|
| 186, Uxbridge Road900 m away | 83 m² | 122 m² | +39 m² +47% | 2020 |
|---|
| 394, High Road252 m away | 136 m² | 175 m² | +39 m² +29% | 2019 |
|---|
| 64, College Road665 m away | 70 m² | 108 m² | +38 m² +54% | 2026 |
|---|
| 28, Sitwell Grove707 m away | 90 m² | 128 m² | +38 m² +42% | 2018 |
|---|
| 12, The Chase998 m away | 107 m² | 144 m² | +37 m² +35% | 2023 |
|---|
| 780, Kenton Lane528 m away | 94 m² | 131 m² | +37 m² +39% | 2022 |
|---|
| 21, Park Crescent866 m away | 136 m² | 173 m² | +37 m² +27% | 2015 |
|---|
| 22, Drummond Drive623 m away | 94 m² | 130 m² | +36 m² +38% | 2025 |
|---|
| 15, Kenneth Gardens809 m away | 93 m² | 129 m² | +36 m² +39% | 2025 |
|---|
| 51, Weighton Road811 m away | 103 m² | 139 m² | +36 m² +35% | 2020 |
|---|
| 97, Sefton Avenue941 m away | 29 m² | 65 m² | +36 m² +124% | 2017 |
|---|
| Flat 10, Cygnet House, Uxbridge Road617 m away | 94 m² | 129 m² | +35 m² +37% | 2022 |
|---|
| 5, All Saints Mews171 m away | 161 m² | 195 m² | +34 m² +21% | 2023 |
|---|
| 6, Jellicoe Gardens832 m away | 159 m² | 193 m² | +34 m² +21% | 2023 |
|---|
| 83, The Meadow Way923 m away | 79 m² | 113 m² | +34 m² +43% | 2021 |
|---|
| 772, Kenton Lane528 m away | 41 m² | 75 m² | +34 m² +83% | 2013 |
|---|
| 6, Bridges Road804 m away | 91 m² | 124 m² | +33 m² +36% | 2025 |
|---|
| 4, Sitwell Grove707 m away | 86 m² | 119 m² | +33 m² +38% | 2023 |
|---|
| 250a, High Road894 m away | 41 m² | 74 m² | +33 m² +80% | 2018 |
|---|
| 846, Kenton Lane406 m away | 143 m² | 176 m² | +33 m² +23% | 2016 |
|---|
| 20, Sitwell Grove707 m away | 102 m² | 134 m² | +32 m² +31% | 2025 |
|---|
| 9, Belsize Road733 m away | 65 m² | 97 m² | +32 m² +49% | 2020 |
|---|
| 61, Boxtree Lane882 m away | 78 m² | 109 m² | +31 m² +40% | 2025 |
|---|
| 62, College Hill Road917 m away | 118 m² | 149 m² | +31 m² +26% | 2023 |
|---|
| 47, Belsize Road733 m away | 69 m² | 100 m² | +31 m² +45% | 2017 |
|---|
| 6, Acacia Close320 m away | 96 m² | 127 m² | +31 m² +32% | 2016 |
|---|
| 33, Boxtree Lane752 m away | 61 m² | 91 m² | +30 m² +49% | 2026 |
|---|
| 14, College Hill Road917 m away | 121 m² | 151 m² | +30 m² +25% | 2020 |
|---|
| 20, Maricas Avenue916 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| Flat 6, Parkview Court, 1, Elms Road434 m away | 39 m² | 68 m² | +29 m² +74% | 2020 |
|---|
| 10, Chenduit Way824 m away | 86 m² | 115 m² | +29 m² +34% | 2019 |
|---|
| 1, Hitherwell Drive978 m away | 63 m² | 91 m² | +28 m² +44% | 2026 |
|---|
| 3, Weald Rise694 m away | 84 m² | 112 m² | +28 m² +33% | 2024 |
|---|
| 39, Masefield Avenue738 m away | 88 m² | 116 m² | +28 m² +32% | 2014 |
|---|
| 37, Whitegate Gardens454 m away | 78 m² | 105 m² | +27 m² +35% | 2026 |
|---|
| 16, West Drive625 m away | 165 m² | 192 m² | +27 m² +16% | 2025 |
|---|
| 20, Long Elmes891 m away | 90 m² | 117 m² | +27 m² +30% | 2025 |
|---|
| 62, Richmond Gardens357 m away | 76 m² | 103 m² | +27 m² +36% | 2024 |
|---|
| 53, Whitegate Gardens454 m away | 82 m² | 109 m² | +27 m² +33% | 2022 |
|---|
| 12, Alton Avenue789 m away | 105 m² | 131 m² | +26 m² +25% | 2026 |
|---|
| 63, Drummond Drive795 m away | 105 m² | 131 m² | +26 m² +25% | 2026 |
|---|
| 2, Mead Close964 m away | 65 m² | 91 m² | +26 m² +40% | 2023 |
|---|
| 511, High Road325 m away | 154 m² | 180 m² | +26 m² +17% | 2019 |
|---|
| Maycroft, Clamp Hill743 m away | 130 m² | 156 m² | +26 m² +20% | 2016 |
|---|
| 18, Monro Gardens268 m away | 106 m² | 131 m² | +25 m² +24% | 2025 |
|---|
| 139, Uxbridge Road0 m away | 101 m² | 126 m² | +25 m² +25% | 2015 |
|---|
| 5, Caddis Close746 m away | 83 m² | 108 m² | +25 m² +30% | 2015 |
|---|
| 38, Belsize Road765 m away | 80 m² | 105 m² | +25 m² +31% | 2011 |
|---|
| 708, Kenton Lane806 m away | 92 m² | 117 m² | +25 m² +27% | 2011 |
|---|
| 65, Boxtree Lane882 m away | 87 m² | 111 m² | +24 m² +28% | 2024 |
|---|
| 10, Boxtree Road467 m away | 94 m² | 118 m² | +24 m² +26% | 2023 |
|---|
| 57, Weighton Road811 m away | 115 m² | 139 m² | +24 m² +21% | 2015 |
|---|
| 56, Jellicoe Gardens832 m away | 134 m² | 158 m² | +24 m² +18% | 2015 |
|---|
| 50, Fontwell Close158 m away | 78 m² | 101 m² | +23 m² +29% | 2025 |
|---|
| 27, Belsize Road733 m away | 62 m² | 85 m² | +23 m² +37% | 2025 |
|---|
| 9, Ashdale Grove761 m away | 65 m² | 88 m² | +23 m² +35% | 2023 |
|---|
| 93, Drummond Drive795 m away | 135 m² | 158 m² | +23 m² +17% | 2022 |
|---|
| 29, Kynaston Close397 m away | 132 m² | 154 m² | +22 m² +17% | 2026 |
|---|
| 59a, College Hill Road910 m away | 105 m² | 127 m² | +22 m² +21% | 2025 |
|---|
| 774, Kenton Lane528 m away | 78 m² | 100 m² | +22 m² +28% | 2024 |
|---|
| 73, Belsize Road733 m away | 68 m² | 90 m² | +22 m² +32% | 2023 |
|---|
| 26, Weald Rise719 m away | 96 m² | 118 m² | +22 m² +23% | 2021 |
|---|
| 2a, The Highway916 m away | 106 m² | 128 m² | +22 m² +21% | 2014 |
|---|
| 42, College Hill Road917 m away | 107 m² | 129 m² | +22 m² +21% | 2013 |
|---|
| 81, Park Crescent723 m away | 76 m² | 97 m² | +21 m² +28% | 2025 |
|---|
| 710a, Kenton Lane806 m away | 80 m² | 101 m² | +21 m² +26% | 2024 |
|---|
| 9, Silver Close688 m away | 110 m² | 131 m² | +21 m² +19% | 2021 |
|---|
| 40, Kenneth Gardens843 m away | 70 m² | 91 m² | +21 m² +30% | 2015 |
|---|
| 8, Lawrie Court, Kenton Lane469 m away | 65 m² | 85 m² | +20 m² +31% | 2026 |
|---|
| 50, Richmond Gardens357 m away | 63 m² | 83 m² | +20 m² +32% | 2025 |
|---|
| 24, Hutton Lane843 m away | 83 m² | 103 m² | +20 m² +24% | 2024 |
|---|
| 70, College Hill Road917 m away | 86 m² | 106 m² | +20 m² +23% | 2024 |
|---|
| 42, Kenneth Gardens843 m away | 70 m² | 90 m² | +20 m² +29% | 2023 |
|---|
| 2, Colmer Place814 m away | 71 m² | 91 m² | +20 m² +28% | 2019 |
|---|
| 47, Weighton Road811 m away | 92 m² | 112 m² | +20 m² +22% | 2016 |
|---|
| 4, Carrington Square840 m away | 68 m² | 88 m² | +20 m² +29% | 2015 |
|---|
| 86, Belsize Road765 m away | 92 m² | 111 m² | +19 m² +21% | 2026 |
|---|
| 36, Chartley Avenue616 m away | 97 m² | 116 m² | +19 m² +20% | 2024 |
|---|
| 33, Chartley Avenue647 m away | 76 m² | 95 m² | +19 m² +25% | 2024 |
|---|
| 50, Kynaston Wood482 m away | 83 m² | 101 m² | +18 m² +22% | 2026 |
|---|
| 331, High Road841 m away | 89 m² | 107 m² | +18 m² +20% | 2024 |
|---|
| 55a, College Road633 m away | 39 m² | 57 m² | +18 m² +46% | 2022 |
|---|
| 1, West Drive Gardens564 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
|---|
| 18, Belsize Road765 m away | 59 m² | 77 m² | +18 m² +31% | 2018 |
|---|
| 17, College Avenue765 m away | 103 m² | 121 m² | +18 m² +17% | 2017 |
|---|
| 238, High Road894 m away | 65 m² | 83 m² | +18 m² +28% | 2014 |
|---|
| 28, Algar Close870 m away | 77 m² | 94 m² | +17 m² +22% | 2026 |
|---|
| 58, Long Elmes891 m away | 72 m² | 89 m² | +17 m² +24% | 2024 |
|---|
| 54, Boxtree Road559 m away | 97 m² | 114 m² | +17 m² +18% | 2023 |
|---|
| 35, Drummond Drive658 m away | 89 m² | 106 m² | +17 m² +19% | 2023 |
|---|
| 7, Mead Close964 m away | 44 m² | 61 m² | +17 m² +39% | 2021 |
|---|
| 5, Blackwell Close736 m away | 95 m² | 112 m² | +17 m² +18% | 2017 |
|---|
| 73, Boxtree Lane882 m away | 62 m² | 78 m² | +16 m² +26% | 2021 |
|---|
| 238a, High Road894 m away | 64 m² | 80 m² | +16 m² +25% | 2021 |
|---|
| 51, Belsize Road733 m away | 67 m² | 83 m² | +16 m² +24% | 2019 |
|---|
| Maison Alfort, 251, High Road904 m away | 73 m² | 89 m² | +16 m² +22% | 2018 |
|---|
| 59, Whitegate Gardens454 m away | 83 m² | 99 m² | +16 m² +19% | 2015 |
|---|
| Flat 13, Azure, 463, High Road641 m away | 43 m² | 59 m² | +16 m² +37% | 2015 |
|---|
| 39, Hitherwell Drive978 m away | 93 m² | 108 m² | +15 m² +16% | 2025 |
|---|
| 76, Church Lane984 m away | 82 m² | 97 m² | +15 m² +18% | 2025 |
|---|
| 2, Laurel Park589 m away | 93 m² | 108 m² | +15 m² +16% | 2024 |
|---|
| 667, Kenton Lane735 m away | 90 m² | 105 m² | +15 m² +17% | 2020 |
|---|
| Flat 12, Orchid Court, 286, High Road846 m away | 72 m² | 87 m² | +15 m² +21% | 2020 |
|---|
| 387, High Road747 m away | 96 m² | 111 m² | +15 m² +16% | 2019 |
|---|
| 60, College Hill Road917 m away | 83 m² | 98 m² | +15 m² +18% | 2019 |
|---|