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 CM15 8EN
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 |
|---|---|---|---|---|
| The Red House, Mill Hill385 m away | 328 m² | 661 m² | +333 m² +102% | 2022 |
| Long Mead, Mill Hill385 m away | 193 m² | 428 m² | +235 m² +122% | 2015 |
| 27, Middleton Road312 m away | 197 m² | 420 m² | +223 m² +113% | 2019 |
| 30, Worrin Road648 m away | 218 m² | 399 m² | +181 m² +83% | 2019 |
| 14, Middleton Road312 m away | 202 m² | 354 m² | +152 m² +75% | 2023 |
| 25, Shenfield Crescent940 m away | 112 m² | 246 m² | +134 m² +120% | 2020 |
| 109, Priests Lane766 m away | 139 m² | 273 m² | +134 m² +96% | 2013 |
| 7, Park Way726 m away | 159 m² | 290 m² | +131 m² +82% | 2022 |
| 112, Priests Lane720 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.
| 151 m² |
| 280 m² |
| +129 m² +85% |
| 2024 |
| 4, Baymans Wood632 m away | 242 m² | 357 m² | +115 m² +48% | 2025 |
|---|
| 174a, Priests Lane793 m away | 93 m² | 203 m² | +110 m² +118% | 2017 |
|---|
| 77, Shenfield Place398 m away | 217 m² | 325 m² | +108 m² +50% | 2022 |
|---|
| 4, Middleton Road312 m away | 148 m² | 255 m² | +107 m² +72% | 2018 |
|---|
| 100, Shenfield Place398 m away | 125 m² | 230 m² | +105 m² +84% | 2026 |
|---|
| 9, Cliveden Close536 m away | 179 m² | 271 m² | +92 m² +51% | 2014 |
|---|
| 12, Baymans Wood632 m away | 195 m² | 285 m² | +90 m² +46% | 2025 |
|---|
| 117, Worrin Road655 m away | 102 m² | 192 m² | +90 m² +88% | 2016 |
|---|
| 9, Middleton Road312 m away | 182 m² | 269 m² | +87 m² +48% | 2013 |
|---|
| 74, Worrin Road603 m away | 83 m² | 167 m² | +84 m² +101% | 2013 |
|---|
| 2, Park Way726 m away | 245 m² | 327 m² | +82 m² +33% | 2019 |
|---|
| 44, St Thomas Road838 m away | 60 m² | 140 m² | +80 m² +133% | 2022 |
|---|
| 108, Priests Lane720 m away | 177 m² | 256 m² | +79 m² +45% | 2020 |
|---|
| 2, The Cobbles852 m away | 105 m² | 182 m² | +77 m² +73% | 2020 |
|---|
| 13, Shenfield Crescent872 m away | 145 m² | 219 m² | +74 m² +51% | 2014 |
|---|
| 18, Western Avenue889 m away | 78 m² | 148 m² | +70 m² +90% | 2022 |
|---|
| 6, Shenfield Crescent872 m away | 96 m² | 164 m² | +68 m² +71% | 2025 |
|---|
| 172, Priests Lane793 m away | 133 m² | 201 m² | +68 m² +51% | 2021 |
|---|
| 3, Cliveden Close536 m away | 177 m² | 245 m² | +68 m² +38% | 2018 |
|---|
| 19, Abbots Close876 m away | 89 m² | 152 m² | +63 m² +71% | 2026 |
|---|
| Covertside, 104, Priests Lane720 m away | 332 m² | 395 m² | +63 m² +19% | 2015 |
|---|
| 8, Geary Drive986 m away | 104 m² | 167 m² | +63 m² +61% | 2014 |
|---|
| 47, Hutton Road845 m away | 143 m² | 202 m² | +59 m² +41% | 2010 |
|---|
| 35, Mulberry Hill516 m away | 135 m² | 193 m² | +58 m² +43% | 2023 |
|---|
| 119, Worrin Road655 m away | 145 m² | 203 m² | +58 m² +40% | 2021 |
|---|
| 11, Shenfield Place569 m away | 173 m² | 227 m² | +54 m² +31% | 2024 |
|---|
| 59, Friars Avenue917 m away | 107 m² | 161 m² | +54 m² +50% | 2022 |
|---|
| 46, Worrin Road603 m away | 103 m² | 154 m² | +51 m² +50% | 2025 |
|---|
| 101, Shenfield Place398 m away | 125 m² | 176 m² | +51 m² +41% | 2020 |
|---|
| 63a, Worrin Road597 m away | 133 m² | 183 m² | +50 m² +38% | 2017 |
|---|
| 3, Western Avenue932 m away | 89 m² | 138 m² | +49 m² +55% | 2022 |
|---|
| 7, York Road711 m away | 51 m² | 95 m² | +44 m² +86% | 2024 |
|---|
| Monkhams, Friars Close872 m away | 205 m² | 248 m² | +43 m² +21% | 2024 |
|---|
| 99, Shenfield Place398 m away | 138 m² | 181 m² | +43 m² +31% | 2022 |
|---|
| 86, Worrin Road597 m away | 185 m² | 228 m² | +43 m² +23% | 2018 |
|---|
| 126, Ongar Road816 m away | 72 m² | 114 m² | +42 m² +58% | 2024 |
|---|
| 160, Worrin Road610 m away | 141 m² | 180 m² | +39 m² +28% | 2023 |
|---|
| 23, Brentwood Place574 m away | 122 m² | 161 m² | +39 m² +32% | 2016 |
|---|
| 42, Friars Avenue917 m away | 123 m² | 161 m² | +38 m² +31% | 2020 |
|---|
| 148, Priests Lane720 m away | 133 m² | 170 m² | +37 m² +28% | 2019 |
|---|
| Aldeburgh, 202, Priests Lane735 m away | 113 m² | 149 m² | +36 m² +32% | 2020 |
|---|
| Lamgrove, Highland Avenue655 m away | 89 m² | 125 m² | +36 m² +40% | 2016 |
|---|
| 193, Priests Lane789 m away | 134 m² | 169 m² | +35 m² +26% | 2011 |
|---|
| 1, Gordon Road899 m away | 102 m² | 136 m² | +34 m² +33% | 2026 |
|---|
| 51, Sawyers Grove510 m away | 154 m² | 187 m² | +33 m² +21% | 2021 |
|---|
| 33, Western Avenue932 m away | 89 m² | 122 m² | +33 m² +37% | 2014 |
|---|
| Flat 11, Ardleigh Court, Hutton Road848 m away | 55 m² | 87 m² | +32 m² +58% | 2021 |
|---|
| 69, Western Road966 m away | 105 m² | 136 m² | +31 m² +30% | 2025 |
|---|
| 52, Shenfield Place451 m away | 114 m² | 144 m² | +30 m² +26% | 2023 |
|---|
| Flat 12, Ardleigh Court, Hutton Road848 m away | 55 m² | 85 m² | +30 m² +55% | 2021 |
|---|
| 11, York Close709 m away | 96 m² | 126 m² | +30 m² +31% | 2015 |
|---|
| 60, Friars Avenue917 m away | 162 m² | 190 m² | +28 m² +17% | 2026 |
|---|
| 31, Brentwood Place574 m away | 106 m² | 134 m² | +28 m² +26% | 2024 |
|---|
| 14, Gordon Road899 m away | 69 m² | 96 m² | +27 m² +39% | 2024 |
|---|
| St Michaels, Burland Road669 m away | 109 m² | 136 m² | +27 m² +25% | 2020 |
|---|
| 3, The Cobbles852 m away | 67 m² | 94 m² | +27 m² +40% | 2019 |
|---|
| Flat 25, Ardleigh Court, Hutton Road848 m away | 56 m² | 82 m² | +26 m² +46% | 2021 |
|---|
| Flat 26, Ardleigh Court, Hutton Road848 m away | 56 m² | 82 m² | +26 m² +46% | 2021 |
|---|
| 71, Friars Avenue917 m away | 114 m² | 140 m² | +26 m² +23% | 2019 |
|---|
| 10, Chelmsford Road905 m away | 103 m² | 129 m² | +26 m² +25% | 2015 |
|---|
| 1, Brickfield Cottages818 m away | 60 m² | 85 m² | +25 m² +42% | 2025 |
|---|
| 93, Friars Avenue917 m away | 121 m² | 146 m² | +25 m² +21% | 2019 |
|---|
| 23, Wellesley Road822 m away | 70 m² | 94 m² | +24 m² +34% | 2024 |
|---|
| 49, The Meads, Ongar Road653 m away | 59 m² | 82 m² | +23 m² +39% | 2022 |
|---|
| 16, Western Avenue889 m away | 97 m² | 120 m² | +23 m² +24% | 2022 |
|---|
| Flat 27, Ardleigh Court, Hutton Road848 m away | 56 m² | 79 m² | +23 m² +41% | 2021 |
|---|
| Flat 39, Ardleigh Court, Hutton Road848 m away | 56 m² | 77 m² | +21 m² +38% | 2021 |
|---|
| Flat 36, Ardleigh Court, Hutton Road848 m away | 56 m² | 77 m² | +21 m² +38% | 2021 |
|---|
| Flat 38, Ardleigh Court, Hutton Road848 m away | 56 m² | 77 m² | +21 m² +38% | 2021 |
|---|
| 96, Shenfield Road270 m away | 115 m² | 136 m² | +21 m² +18% | 2019 |
|---|
| 16, Ingrave House, 8, Ingrave Road743 m away | 44 m² | 64 m² | +20 m² +45% | 2025 |
|---|
| Flat 16, Argyll Court, Sawyers Hall Lane662 m away | 33 m² | 53 m² | +20 m² +61% | 2024 |
|---|
| 87, Priests Lane766 m away | 122 m² | 142 m² | +20 m² +16% | 2024 |
|---|
| 134, Ongar Road816 m away | 122 m² | 142 m² | +20 m² +16% | 2024 |
|---|
| Flat 34, Ardleigh Court, Hutton Road848 m away | 56 m² | 76 m² | +20 m² +36% | 2021 |
|---|
| 1, Silver Birches984 m away | 100 m² | 120 m² | +20 m² +20% | 2020 |
|---|
| 27, The Meads, Ongar Road653 m away | 57 m² | 76 m² | +19 m² +33% | 2023 |
|---|
| 36, The Meads, Ongar Road653 m away | 60 m² | 79 m² | +19 m² +32% | 2023 |
|---|
| Flat 1, Ardleigh Court, Hutton Road848 m away | 68 m² | 87 m² | +19 m² +28% | 2023 |
|---|
| Flat 7, Ardleigh Court, Hutton Road848 m away | 49 m² | 68 m² | +19 m² +39% | 2021 |
|---|
| Flat 13, Ardleigh Court, Hutton Road848 m away | 49 m² | 68 m² | +19 m² +39% | 2021 |
|---|
| Flat 9, Ardleigh Court, Hutton Road848 m away | 49 m² | 67 m² | +18 m² +37% | 2021 |
|---|
| Flat 15, Ardleigh Court, Hutton Road848 m away | 49 m² | 67 m² | +18 m² +37% | 2021 |
|---|
| 26, The Spires, Eastfield Road931 m away | 58 m² | 76 m² | +18 m² +31% | 2009 |
|---|
| 51, Friars Avenue917 m away | 89 m² | 106 m² | +17 m² +19% | 2025 |
|---|
| 3, Woodway852 m away | 101 m² | 118 m² | +17 m² +17% | 2023 |
|---|
| Flat 14, Ardleigh Court, Hutton Road848 m away | 49 m² | 66 m² | +17 m² +35% | 2021 |
|---|
| Flat 8, Ardleigh Court, Hutton Road848 m away | 49 m² | 66 m² | +17 m² +35% | 2021 |
|---|
| Flat 17, Ardleigh Court, Hutton Road848 m away | 49 m² | 66 m² | +17 m² +35% | 2021 |
|---|
| Flat 2, Ardleigh Lodge, Hutton Road834 m away | 54 m² | 70 m² | +16 m² +30% | 2023 |
|---|
| 48, North Road Avenue897 m away | 56 m² | 72 m² | +16 m² +29% | 2010 |
|---|
| 178, Priests Lane793 m away | 86 m² | 101 m² | +15 m² +17% | 2026 |
|---|
| 18, Abbots Close876 m away | 97 m² | 112 m² | +15 m² +15% | 2026 |
|---|
| Flat 5, Ardleigh Court, Hutton Road848 m away | 51 m² | 66 m² | +15 m² +29% | 2021 |
|---|
| Flat 6, Ardleigh Court, Hutton Road848 m away | 51 m² | 66 m² | +15 m² +29% | 2021 |
|---|
| Flat 10, Ardleigh Court, Hutton Road848 m away | 55 m² | 70 m² | +15 m² +27% | 2021 |
|---|