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 TW18 2RP
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 |
|---|---|---|---|---|
| 6, Riverfield Road816 m away | 178 m² | 394 m² | +216 m² +121% | 2017 |
| Elmhurst, Penton Hook Road594 m away | 101 m² | 251 m² | +150 m² +149% | 2022 |
| 11, Mayfield Gardens914 m away | 91 m² | 224 m² | +133 m² +146% | 2024 |
| 105a, Chertsey Lane966 m away | 126 m² | 258 m² | +132 m² +105% | 2023 |
| Heathfield, St Pinnock Avenue469 m away | 114 m² | 245 m² | +131 m² +115% | 2022 |
| 19, Thickthorne Lane746 m away | 106 m² | 229 m² | +123 m² +116% | 2019 |
| 139, Thames Side780 m away | 270 m² | 390 m² | +120 m² +44% | 2023 |
| Jonmari, Cotswold Close973 m away | 110 m² | 229 m² | +119 m² +108% | 2025 |
| Tanglewood, Penton Hall Drive |
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.
| 96 m² |
| 213 m² |
| +117 m² +122% |
| 2026 |
| 61, Penton Road640 m away | 98 m² | 207 m² | +109 m² +111% | 2025 |
|---|
| 166, Commercial Road301 m away | 92 m² | 195 m² | +103 m² +112% | 2016 |
|---|
| 231, Laleham Road332 m away | 273 m² | 371 m² | +98 m² +36% | 2015 |
|---|
| 181, Staines Road610 m away | 77 m² | 171 m² | +94 m² +122% | 2020 |
|---|
| 73, Worple Avenue670 m away | 83 m² | 174 m² | +91 m² +110% | 2026 |
|---|
| 127, Staines Road990 m away | 96 m² | 187 m² | +91 m² +95% | 2016 |
|---|
| 2, Meadow Croft973 m away | 82 m² | 172 m² | +90 m² +110% | 2015 |
|---|
| 179, Staines Road610 m away | 78 m² | 166 m² | +88 m² +113% | 2012 |
|---|
| 7, Penton Road608 m away | 116 m² | 197 m² | +81 m² +70% | 2015 |
|---|
| Ambleside, Penton Hall Drive607 m away | 81 m² | 161 m² | +80 m² +99% | 2022 |
|---|
| 150, Laleham Road249 m away | 153 m² | 233 m² | +80 m² +52% | 2015 |
|---|
| 1, Meadow Croft, Cotswold Close973 m away | 61 m² | 140 m² | +79 m² +130% | 2024 |
|---|
| 6, Avondale Avenue584 m away | 73 m² | 152 m² | +79 m² +108% | 2023 |
|---|
| 49, Laleham Road952 m away | 123 m² | 202 m² | +79 m² +64% | 2023 |
|---|
| Lockholm, Penton Hall Drive607 m away | 87 m² | 166 m² | +79 m² +91% | 2016 |
|---|
| 24, The Ryde718 m away | 137 m² | 215 m² | +78 m² +57% | 2019 |
|---|
| 65, Penton Road640 m away | 94 m² | 170 m² | +76 m² +81% | 2020 |
|---|
| 18, Cherry Tree Avenue607 m away | 68 m² | 142 m² | +74 m² +109% | 2026 |
|---|
| 185, Commercial Road392 m away | 76 m² | 150 m² | +74 m² +97% | 2020 |
|---|
| 4, Lansdowne Road128 m away | 89 m² | 160 m² | +71 m² +80% | 2024 |
|---|
| 16, Hurstdene Avenue444 m away | 104 m² | 174 m² | +70 m² +67% | 2024 |
|---|
| 5, Ash Grove690 m away | 62 m² | 131 m² | +69 m² +111% | 2023 |
|---|
| 8, Berryscroft Road898 m away | 101 m² | 170 m² | +69 m² +68% | 2020 |
|---|
| 37, Avondale Avenue565 m away | 51 m² | 118 m² | +67 m² +131% | 2016 |
|---|
| 15, Pavilion Gardens499 m away | 89 m² | 154 m² | +65 m² +73% | 2026 |
|---|
| 101a, Staines Road990 m away | 95 m² | 160 m² | +65 m² +68% | 2022 |
|---|
| 5, Knightsbridge Crescent201 m away | 105 m² | 169 m² | +64 m² +61% | 2025 |
|---|
| 8, Mayfield Gardens914 m away | 84 m² | 145 m² | +61 m² +73% | 2025 |
|---|
| 33, Wheatsheaf Lane313 m away | 87 m² | 148 m² | +61 m² +70% | 2019 |
|---|
| 202, Worple Road279 m away | 69 m² | 129 m² | +60 m² +87% | 2025 |
|---|
| 104, Laleham Road539 m away | 105 m² | 165 m² | +60 m² +57% | 2025 |
|---|
| 157, Staines Road738 m away | 142 m² | 202 m² | +60 m² +42% | 2022 |
|---|
| 12, Grosvenor Road98 m away | 90 m² | 150 m² | +60 m² +67% | 2019 |
|---|
| 6, Greenlake Terrace341 m away | 64 m² | 124 m² | +60 m² +94% | 2016 |
|---|
| 22, Meadway Close422 m away | 83 m² | 141 m² | +58 m² +70% | 2026 |
|---|
| 24, Worple Avenue595 m away | 69 m² | 127 m² | +58 m² +84% | 2019 |
|---|
| 26, Templedene Avenue474 m away | 88 m² | 143 m² | +55 m² +63% | 2024 |
|---|
| 8, Knowle Park Avenue701 m away | 132 m² | 186 m² | +54 m² +41% | 2023 |
|---|
| 135, Elizabeth Avenue897 m away | 81 m² | 134 m² | +53 m² +65% | 2020 |
|---|
| 9, Worple Road598 m away | 79 m² | 130 m² | +51 m² +65% | 2025 |
|---|
| 9, The Avenue579 m away | 141 m² | 192 m² | +51 m² +36% | 2024 |
|---|
| 6, Beehive Road963 m away | 47 m² | 98 m² | +51 m² +109% | 2021 |
|---|
| 7, Homestead Road471 m away | 60 m² | 110 m² | +50 m² +83% | 2020 |
|---|
| 20, Duncombe Court, Thames Side744 m away | 92 m² | 142 m² | +50 m² +54% | 2016 |
|---|
| 20, Riverside Close944 m away | 107 m² | 156 m² | +49 m² +46% | 2026 |
|---|
| 145, Grosvenor Road0 m away | 101 m² | 150 m² | +49 m² +49% | 2025 |
|---|
| 86, Worple Road402 m away | 62 m² | 111 m² | +49 m² +79% | 2014 |
|---|
| 29, Chestnut Grove753 m away | 68 m² | 117 m² | +49 m² +72% | 2014 |
|---|
| 32, Wheatsheaf Lane402 m away | 90 m² | 136 m² | +46 m² +51% | 2021 |
|---|
| 34, Guildford Street527 m away | 69 m² | 113 m² | +44 m² +64% | 2025 |
|---|
| 44, Gordon Close599 m away | 106 m² | 150 m² | +44 m² +42% | 2024 |
|---|
| 113, Laleham Road781 m away | 134 m² | 178 m² | +44 m² +33% | 2023 |
|---|
| 26, Westbourne Road191 m away | 46 m² | 90 m² | +44 m² +96% | 2020 |
|---|
| 22, Knightsbridge Crescent201 m away | 95 m² | 139 m² | +44 m² +46% | 2015 |
|---|
| 19, Penton Avenue700 m away | 96 m² | 139 m² | +43 m² +45% | 2021 |
|---|
| Englewick, Penton Hook Road594 m away | 94 m² | 137 m² | +43 m² +46% | 2019 |
|---|
| 123, Thames Side703 m away | 211 m² | 254 m² | +43 m² +20% | 2019 |
|---|
| 44, Hazel Grove580 m away | 70 m² | 113 m² | +43 m² +61% | 2014 |
|---|
| 10, Meadway398 m away | 121 m² | 163 m² | +42 m² +35% | 2026 |
|---|
| 3, Hurstdene Avenue444 m away | 95 m² | 137 m² | +42 m² +44% | 2026 |
|---|
| 30, Penton Hook Road423 m away | 175 m² | 217 m² | +42 m² +24% | 2025 |
|---|
| 35, Mayfield Gardens914 m away | 147 m² | 189 m² | +42 m² +29% | 2024 |
|---|
| 2, Stainash Crescent860 m away | 66 m² | 108 m² | +42 m² +64% | 2020 |
|---|
| 12, Cherry Tree Avenue607 m away | 92 m² | 133 m² | +41 m² +45% | 2025 |
|---|
| 10, Riverway820 m away | 167 m² | 208 m² | +41 m² +25% | 2023 |
|---|
| 25, Carlyle Road472 m away | 114 m² | 154 m² | +40 m² +35% | 2019 |
|---|
| 40, Chestnut Grove745 m away | 74 m² | 114 m² | +40 m² +54% | 2018 |
|---|
| 80, Wheatsheaf Lane812 m away | 80 m² | 120 m² | +40 m² +50% | 2014 |
|---|
| 45, Pavilion Gardens499 m away | 52 m² | 92 m² | +40 m² +77% | 2009 |
|---|
| 17, Grosvenor Road119 m away | 84 m² | 123 m² | +39 m² +46% | 2021 |
|---|
| 5, The Avenue579 m away | 113 m² | 152 m² | +39 m² +35% | 2012 |
|---|
| 172, Commercial Road344 m away | 119 m² | 157 m² | +38 m² +32% | 2024 |
|---|
| 13, Farm Road444 m away | 55 m² | 93 m² | +38 m² +69% | 2024 |
|---|
| 3, Worple Avenue670 m away | 88 m² | 125 m² | +37 m² +42% | 2020 |
|---|
| 17, Parkside Place248 m away | 105 m² | 142 m² | +37 m² +35% | 2016 |
|---|
| 26, Farm Road444 m away | 70 m² | 107 m² | +37 m² +53% | 2016 |
|---|
| 29, Hurstdene Avenue596 m away | 99 m² | 136 m² | +37 m² +37% | 2014 |
|---|
| 50, Nursery Gardens160 m away | 67 m² | 103 m² | +36 m² +54% | 2026 |
|---|
| 87, Worple Avenue670 m away | 79 m² | 115 m² | +36 m² +46% | 2026 |
|---|
| 115, Templedene Avenue686 m away | 91 m² | 127 m² | +36 m² +40% | 2024 |
|---|
| 17, Lansdowne Road128 m away | 91 m² | 127 m² | +36 m² +40% | 2023 |
|---|
| 35, Templedene Avenue516 m away | 81 m² | 117 m² | +36 m² +44% | 2022 |
|---|
| Colonsay, Riverside806 m away | 212 m² | 248 m² | +36 m² +17% | 2019 |
|---|
| 23, Meadway Close422 m away | 84 m² | 120 m² | +36 m² +43% | 2017 |
|---|
| Herons Rest, Riverside806 m away | 126 m² | 162 m² | +36 m² +29% | 2017 |
|---|
| 19, Penton Road608 m away | 95 m² | 130 m² | +35 m² +37% | 2022 |
|---|
| 1, Penton Road608 m away | 115 m² | 149 m² | +34 m² +30% | 2023 |
|---|
| 9, Ash Grove690 m away | 65 m² | 98 m² | +33 m² +51% | 2020 |
|---|
| 20, Park Avenue698 m away | 107 m² | 139 m² | +32 m² +30% | 2020 |
|---|
| 113, Grosvenor Road0 m away | 116 m² | 147 m² | +31 m² +27% | 2026 |
|---|
| 66, Knightsbridge Crescent201 m away | 95 m² | 126 m² | +31 m² +33% | 2025 |
|---|
| 21, Florence Gardens283 m away | 94 m² | 124 m² | +30 m² +32% | 2025 |
|---|
| 1, Chiltern Close956 m away | 110 m² | 140 m² | +30 m² +27% | 2025 |
|---|
| 80, Edgell Road899 m away | 73 m² | 103 m² | +30 m² +41% | 2023 |
|---|
| 15, Hurstdene Avenue444 m away | 133 m² | 163 m² | +30 m² +23% | 2021 |
|---|
| 22, Worple Road614 m away | 103 m² | 133 m² | +30 m² +29% | 2021 |
|---|
| 116, Thames Side759 m away | 170 m² | 199 m² | +29 m² +17% | 2026 |
|---|
| 49, Cherry Tree Avenue620 m away | 84 m² | 113 m² | +29 m² +35% | 2025 |
|---|
| 67, Lansdowne Road128 m away | 106 m² | 134 m² | +28 m² +26% | 2023 |
|---|
| 34, Ash Grove725 m away | 93 m² | 121 m² | +28 m² +30% | 2023 |
|---|
| 32, Guildford Street527 m away | 86 m² | 113 m² | +27 m² +31% | 2024 |
|---|
| 64a, Avondale Avenue625 m away | 52 m² | 79 m² | +27 m² +52% | 2023 |
|---|
| 2, Broadacre908 m away | 113 m² | 140 m² | +27 m² +24% | 2023 |
|---|
| 152, Laleham Road249 m away | 150 m² | 177 m² | +27 m² +18% | 2019 |
|---|
| 18, The Glade290 m away | 55 m² | 82 m² | +27 m² +49% | 2014 |
|---|
| 63, Lansdowne Road128 m away | 126 m² | 152 m² | +26 m² +21% | 2025 |
|---|
| 57, Nursery Gardens133 m away | 79 m² | 105 m² | +26 m² +33% | 2025 |
|---|
| 35, Worple Road375 m away | 84 m² | 110 m² | +26 m² +31% | 2025 |
|---|
| 42, Northfield Road885 m away | 80 m² | 106 m² | +26 m² +33% | 2025 |
|---|
| 53, Gordon Close574 m away | 83 m² | 109 m² | +26 m² +31% | 2021 |
|---|
| 43, Meadway402 m away | 74 m² | 100 m² | +26 m² +35% | 2015 |
|---|
| The Willows, Riverside806 m away | 169 m² | 195 m² | +26 m² +15% | 2015 |
|---|
| 58, Templedene Avenue626 m away | 117 m² | 142 m² | +25 m² +21% | 2026 |
|---|
| 10, Murdoch Close989 m away | 74 m² | 99 m² | +25 m² +34% | 2023 |
|---|
| 216, Staines Road356 m away | 129 m² | 154 m² | +25 m² +19% | 2019 |
|---|
| 1, Bramley Close790 m away | 43 m² | 68 m² | +25 m² +58% | 2014 |
|---|
| 131, Grosvenor Road0 m away | 122 m² | 146 m² | +24 m² +20% | 2025 |
|---|
| 20, Worple Road614 m away | 83 m² | 107 m² | +24 m² +29% | 2022 |
|---|
| 52, Knightsbridge Crescent201 m away | 93 m² | 117 m² | +24 m² +26% | 2019 |
|---|
| 12, Knightsbridge Crescent201 m away | 48 m² | 71 m² | +23 m² +48% | 2026 |
|---|
| 83, Nursery Gardens219 m away | 78 m² | 101 m² | +23 m² +29% | 2025 |
|---|
| 1, Templedene Avenue516 m away | 140 m² | 163 m² | +23 m² +16% | 2022 |
|---|
| 134, Laleham Road406 m away | 95 m² | 118 m² | +23 m² +24% | 2020 |
|---|
| 23, Arnold Road928 m away | 75 m² | 98 m² | +23 m² +31% | 2020 |
|---|
| 9, Guildford Street527 m away | 81 m² | 104 m² | +23 m² +28% | 2014 |
|---|
| 9, Duncombe Court, Thames Side744 m away | 47 m² | 70 m² | +23 m² +49% | 2014 |
|---|
| 97, Grosvenor Road0 m away | 131 m² | 153 m² | +22 m² +17% | 2026 |
|---|
| 48, Parkside Place248 m away | 78 m² | 100 m² | +22 m² +28% | 2026 |
|---|
| 132, Riverbank, Laleham Road718 m away | 68 m² | 90 m² | +22 m² +32% | 2024 |
|---|
| 23, Ruskin Road514 m away | 83 m² | 105 m² | +22 m² +27% | 2021 |
|---|
| 19, Willowmead816 m away | 59 m² | 81 m² | +22 m² +37% | 2020 |
|---|
| 53, Worple Road375 m away | 100 m² | 122 m² | +22 m² +22% | 2014 |
|---|
| 12, Lansdowne Road170 m away | 48 m² | 69 m² | +21 m² +44% | 2025 |
|---|
| 43, Hurstdene Avenue596 m away | 78 m² | 99 m² | +21 m² +27% | 2025 |
|---|
| 16, Cherry Tree Avenue607 m away | 81 m² | 102 m² | +21 m² +26% | 2025 |
|---|
| 73, Penton Road640 m away | 100 m² | 121 m² | +21 m² +21% | 2025 |
|---|
| 160, Worple Road297 m away | 70 m² | 91 m² | +21 m² +30% | 2024 |
|---|
| 31, Riverbank, Laleham Road742 m away | 60 m² | 81 m² | +21 m² +35% | 2023 |
|---|
| 7, Pavilion Gardens499 m away | 115 m² | 136 m² | +21 m² +18% | 2022 |
|---|
| 54, Nursery Gardens160 m away | 59 m² | 80 m² | +21 m² +36% | 2019 |
|---|
| 50, Avondale Avenue584 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
|---|
| 72, Brightside Avenue667 m away | 65 m² | 85 m² | +20 m² +31% | 2024 |
|---|
| 13, Gordon Close574 m away | 86 m² | 106 m² | +20 m² +23% | 2023 |
|---|
| 8, Chiltern Close956 m away | 117 m² | 137 m² | +20 m² +17% | 2021 |
|---|
| 142, Kingston Road735 m away | 51 m² | 71 m² | +20 m² +39% | 2018 |
|---|
| 246a, Staines Road356 m away | 73 m² | 93 m² | +20 m² +27% | 2017 |
|---|
| 127, Elizabeth Avenue897 m away | 119 m² | 138 m² | +19 m² +16% | 2020 |
|---|
| 9, Templedene Avenue516 m away | 88 m² | 107 m² | +19 m² +22% | 2018 |
|---|
| 18, Stuart Way342 m away | 56 m² | 75 m² | +19 m² +34% | 2016 |
|---|
| Flat 3, Houghton, Rookery Road866 m away | 47 m² | 66 m² | +19 m² +40% | 2012 |
|---|
| 56, The Glade195 m away | 93 m² | 111 m² | +18 m² +19% | 2026 |
|---|
| 45, Meadway402 m away | 67 m² | 85 m² | +18 m² +27% | 2026 |
|---|
| 26, Worple Road614 m away | 80 m² | 98 m² | +18 m² +23% | 2025 |
|---|
| 16, Ruskin Road514 m away | 91 m² | 109 m² | +18 m² +20% | 2024 |
|---|
| 29, Florence Gardens283 m away | 75 m² | 93 m² | +18 m² +24% | 2022 |
|---|
| 102d, Avondale Avenue689 m away | 44 m² | 62 m² | +18 m² +41% | 2020 |
|---|
| 1, Balmoral Grange, Thames Side951 m away | 93 m² | 111 m² | +18 m² +19% | 2020 |
|---|
| Flat 5, Houghton, Rookery Road866 m away | 44 m² | 62 m² | +18 m² +41% | 2019 |
|---|
| 186, Commercial Road344 m away | 78 m² | 96 m² | +18 m² +23% | 2017 |
|---|
| 7b, Riverfield Road816 m away | 63 m² | 81 m² | +18 m² +29% | 2013 |
|---|
| 41, Cherry Tree Avenue620 m away | 112 m² | 129 m² | +17 m² +15% | 2023 |
|---|
| 5, Whiteways Court, Pavilion Gardens358 m away | 47 m² | 64 m² | +17 m² +36% | 2022 |
|---|
| 1, Farm Road444 m away | 56 m² | 73 m² | +17 m² +30% | 2021 |
|---|
| 45, Cherry Orchard979 m away | 79 m² | 96 m² | +17 m² +22% | 2020 |
|---|
| 5, Wythegate, Riverside Road747 m away | 56 m² | 73 m² | +17 m² +30% | 2014 |
|---|
| 103, Nursery Gardens219 m away | 75 m² | 91 m² | +16 m² +21% | 2026 |
|---|
| 168, Worple Road297 m away | 90 m² | 106 m² | +16 m² +18% | 2022 |
|---|
| 32, Stainash Crescent860 m away | 74 m² | 90 m² | +16 m² +22% | 2021 |
|---|
| Flat 8, Onslow Lodge, Riverside Road747 m away | 40 m² | 56 m² | +16 m² +40% | 2019 |
|---|
| 49, Kenilworth Gardens981 m away | 65 m² | 81 m² | +16 m² +25% | 2019 |
|---|
| 38, Brightside Avenue697 m away | 76 m² | 92 m² | +16 m² +21% | 2018 |
|---|
| 11, Thickthorne Lane746 m away | 73 m² | 89 m² | +16 m² +22% | 2018 |
|---|
| 28, The Glade195 m away | 54 m² | 69 m² | +15 m² +28% | 2024 |
|---|
| 39, Chestnut Grove753 m away | 87 m² | 102 m² | +15 m² +17% | 2024 |
|---|
| 10, Broadacre908 m away | 87 m² | 102 m² | +15 m² +17% | 2022 |
|---|
| 202, Staines Road356 m away | 89 m² | 104 m² | +15 m² +17% | 2021 |
|---|
| 5, Hazel Grove570 m away | 99 m² | 114 m² | +15 m² +15% | 2020 |
|---|
| 98, Edgell Road899 m away | 40 m² | 55 m² | +15 m² +38% | 2020 |
|---|
| 1, Fenton Avenue902 m away | 58 m² | 73 m² | +15 m² +26% | 2020 |
|---|
| 8, Northfield Road839 m away | 74 m² | 89 m² | +15 m² +20% | 2019 |
|---|
| 24, Garrick Close475 m away | 77 m² | 92 m² | +15 m² +19% | 2018 |
|---|
| 9, Brightside Avenue712 m away | 79 m² | 94 m² | +15 m² +19% | 2016 |
|---|
| 19, Duncombe Court, Thames Side744 m away | 77 m² | 92 m² | +15 m² +19% | 2014 |
|---|