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 TW14 9PD
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, Warfield Road622 m away | 82 m² | 196 m² | +114 m² +139% | 2021 |
| 11, Clymping Dene852 m away | 135 m² | 221 m² | +86 m² +64% | 2023 |
| 8, Richmond Avenue572 m away | 86 m² | 160 m² | +74 m² +86% | 2014 |
| 9, Rosslyn Avenue710 m away | 77 m² | 146 m² | +69 m² +90% | 2026 |
| 92, Shaftesbury Avenue568 m away | 71 m² | 134 m² | +63 m² +89% | 2024 |
| 306, Bedfont Lane224 m away | 83 m² | 145 m² | +62 m² +75% | 2025 |
| 4, Letchworth Avenue171 m away | 72 m² | 131 m² | +59 m² +82% | 2026 |
| 20, Sandycombe Road709 m away | 99 m² | 156 m² | +57 m² +58% | 2020 |
| 69, Trevithick Close542 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.
| 71 m² |
| 128 m² |
| +57 m² +80% |
| 2013 |
| 28, Bridlepath Way762 m away | 78 m² | 130 m² | +52 m² +67% | 2020 |
|---|
| 39, Richmond Avenue600 m away | 88 m² | 139 m² | +51 m² +58% | 2025 |
|---|
| 16, Sandycombe Road709 m away | 64 m² | 115 m² | +51 m² +80% | 2012 |
|---|
| 107, Tachbrook Road0 m away | 189 m² | 239 m² | +50 m² +26% | 2023 |
|---|
| 7, Buckingham Avenue726 m away | 50 m² | 100 m² | +50 m² +100% | 2020 |
|---|
| 483b, Staines Road563 m away | 73 m² | 122 m² | +49 m² +67% | 2023 |
|---|
| 10, Colonial Road523 m away | 100 m² | 146 m² | +46 m² +46% | 2015 |
|---|
| 38, Helen Avenue708 m away | 99 m² | 144 m² | +45 m² +45% | 2021 |
|---|
| 150, Bedfont Lane420 m away | 110 m² | 155 m² | +45 m² +41% | 2015 |
|---|
| 94, Fruen Road112 m away | 80 m² | 124 m² | +44 m² +55% | 2021 |
|---|
| 148a, Staines Road708 m away | 33 m² | 77 m² | +44 m² +133% | 2019 |
|---|
| 72, Shaftesbury Avenue587 m away | 65 m² | 108 m² | +43 m² +66% | 2025 |
|---|
| 56, Buckingham Avenue752 m away | 89 m² | 131 m² | +42 m² +47% | 2020 |
|---|
| 249, Westmacott Drive602 m away | 58 m² | 99 m² | +41 m² +71% | 2023 |
|---|
| 41, Cassiobury Avenue172 m away | 85 m² | 125 m² | +40 m² +47% | 2023 |
|---|
| 55, Beech Road856 m away | 94 m² | 133 m² | +39 m² +41% | 2023 |
|---|
| 79, Shaftesbury Avenue530 m away | 89 m² | 128 m² | +39 m² +44% | 2022 |
|---|
| 154, Staines Road708 m away | 84 m² | 121 m² | +37 m² +44% | 2025 |
|---|
| 47, Tachbrook Road0 m away | 78 m² | 114 m² | +36 m² +46% | 2026 |
|---|
| 17, Buckingham Avenue726 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 8, Andover Close493 m away | 55 m² | 91 m² | +36 m² +65% | 2014 |
|---|
| 89, Southville Road683 m away | 74 m² | 109 m² | +35 m² +47% | 2026 |
|---|
| 133, Harlington Road West799 m away | 69 m² | 104 m² | +35 m² +51% | 2026 |
|---|
| 28, Cassiobury Avenue150 m away | 90 m² | 125 m² | +35 m² +39% | 2013 |
|---|
| 28, Rosslyn Avenue658 m away | 72 m² | 106 m² | +34 m² +47% | 2025 |
|---|
| 7, Tachbrook Road0 m away | 95 m² | 129 m² | +34 m² +36% | 2023 |
|---|
| 85, Burns Avenue442 m away | 82 m² | 116 m² | +34 m² +41% | 2021 |
|---|
| 1, Clymping Dene852 m away | 120 m² | 154 m² | +34 m² +28% | 2016 |
|---|
| 45, Harlington Road West857 m away | 94 m² | 127 m² | +33 m² +35% | 2020 |
|---|
| 26, Westminster Close515 m away | 58 m² | 91 m² | +33 m² +57% | 2014 |
|---|
| 110, Northumberland Crescent750 m away | 51 m² | 84 m² | +33 m² +65% | 2014 |
|---|
| 149, Field Road964 m away | 55 m² | 88 m² | +33 m² +60% | 2014 |
|---|
| 183, Northumberland Crescent750 m away | 67 m² | 99 m² | +32 m² +48% | 2024 |
|---|
| 54, Kingston Avenue560 m away | 84 m² | 116 m² | +32 m² +38% | 2023 |
|---|
| 1, Appleby Gardens790 m away | 67 m² | 99 m² | +32 m² +48% | 2022 |
|---|
| 43, New Road834 m away | 66 m² | 98 m² | +32 m² +48% | 2022 |
|---|
| 108a, Hanover Avenue817 m away | 99 m² | 131 m² | +32 m² +32% | 2019 |
|---|
| 15a, Station Parade909 m away | 60 m² | 92 m² | +32 m² +53% | 2015 |
|---|
| 87, Staines Road983 m away | 89 m² | 120 m² | +31 m² +35% | 2021 |
|---|
| 42, Helen Avenue708 m away | 80 m² | 110 m² | +30 m² +38% | 2015 |
|---|
| 46, Hounslow Road958 m away | 104 m² | 133 m² | +29 m² +28% | 2024 |
|---|
| 33, Gladstone Avenue645 m away | 70 m² | 99 m² | +29 m² +41% | 2020 |
|---|
| 25, Richmond Avenue600 m away | 64 m² | 92 m² | +28 m² +44% | 2026 |
|---|
| Flat 4, 22, Lewin Terrace963 m away | 59 m² | 87 m² | +28 m² +47% | 2024 |
|---|
| 108, Guildford Avenue834 m away | 68 m² | 96 m² | +28 m² +41% | 2022 |
|---|
| 55, Pentelow Gardens498 m away | 69 m² | 97 m² | +28 m² +41% | 2021 |
|---|
| 127a, Harlington Road West799 m away | 41 m² | 69 m² | +28 m² +68% | 2019 |
|---|
| 15, Southern Avenue592 m away | 84 m² | 111 m² | +27 m² +32% | 2024 |
|---|
| Flat E, Riverside Court, 332, Staines Road439 m away | 56 m² | 83 m² | +27 m² +48% | 2014 |
|---|
| 83, Harlington Road West799 m away | 88 m² | 115 m² | +27 m² +31% | 2014 |
|---|
| 51, Pentelow Gardens498 m away | 95 m² | 121 m² | +26 m² +27% | 2026 |
|---|
| 9, Ruskin Avenue240 m away | 80 m² | 106 m² | +26 m² +33% | 2024 |
|---|
| 1, Sandycombe Road709 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
|---|
| 83, Hanover Avenue926 m away | 60 m² | 86 m² | +26 m² +43% | 2024 |
|---|
| 321, Bedfont Lane417 m away | 87 m² | 113 m² | +26 m² +30% | 2022 |
|---|
| 185, Bedfont Lane373 m away | 128 m² | 154 m² | +26 m² +20% | 2016 |
|---|
| 35, Pentelow Gardens498 m away | 108 m² | 133 m² | +25 m² +23% | 2025 |
|---|
| 25, Imperial Road668 m away | 86 m² | 111 m² | +25 m² +29% | 2021 |
|---|
| 113, Staines Road983 m away | 33 m² | 58 m² | +25 m² +76% | 2017 |
|---|
| 61, Peninsular Close998 m away | 103 m² | 128 m² | +25 m² +24% | 2009 |
|---|
| 73, Gladstone Avenue645 m away | 70 m² | 94 m² | +24 m² +34% | 2025 |
|---|
| 6, Northumberland Crescent729 m away | 58 m² | 82 m² | +24 m² +41% | 2025 |
|---|
| Flat 67, Azalea House, Bedfont Lane941 m away | 66 m² | 90 m² | +24 m² +36% | 2022 |
|---|
| 34, Buckingham Avenue752 m away | 86 m² | 110 m² | +24 m² +28% | 2021 |
|---|
| 34, Oak Way729 m away | 56 m² | 80 m² | +24 m² +43% | 2014 |
|---|
| 61, Staines Road983 m away | 100 m² | 124 m² | +24 m² +24% | 2014 |
|---|
| Manama, Walsham Road979 m away | 88 m² | 111 m² | +23 m² +26% | 2023 |
|---|
| 260, Westmacott Drive583 m away | 73 m² | 96 m² | +23 m² +32% | 2022 |
|---|
| 4, New Road820 m away | 91 m² | 114 m² | +23 m² +25% | 2021 |
|---|
| 8, Longford Avenue425 m away | 70 m² | 93 m² | +23 m² +33% | 2020 |
|---|
| 38, Guildford Avenue965 m away | 67 m² | 90 m² | +23 m² +34% | 2020 |
|---|
| 98, Fruen Road112 m away | 46 m² | 69 m² | +23 m² +50% | 2015 |
|---|
| 69, Hanover Avenue926 m away | 70 m² | 92 m² | +22 m² +31% | 2025 |
|---|
| 9, Buckingham Avenue726 m away | 93 m² | 115 m² | +22 m² +24% | 2022 |
|---|
| 116, Field Road978 m away | 61 m² | 83 m² | +22 m² +36% | 2022 |
|---|
| Flat 19, Azalea House, Bedfont Lane941 m away | 71 m² | 93 m² | +22 m² +31% | 2020 |
|---|
| 24, Clive Road599 m away | 92 m² | 114 m² | +22 m² +24% | 2018 |
|---|
| 15, Trevithick Close542 m away | 51 m² | 73 m² | +22 m² +43% | 2015 |
|---|
| 13, Trevithick Close542 m away | 62 m² | 84 m² | +22 m² +35% | 2015 |
|---|
| 64, Trevithick Close542 m away | 56 m² | 78 m² | +22 m² +39% | 2014 |
|---|
| 49, Pentelow Gardens498 m away | 101 m² | 123 m² | +22 m² +22% | 2013 |
|---|
| 75, Tachbrook Road0 m away | 87 m² | 109 m² | +22 m² +25% | 2012 |
|---|
| 3, Cassiobury Avenue172 m away | 63 m² | 84 m² | +21 m² +33% | 2026 |
|---|
| 30, Imperial Road671 m away | 107 m² | 128 m² | +21 m² +20% | 2025 |
|---|
| 47, Northumberland Crescent697 m away | 49 m² | 70 m² | +21 m² +43% | 2025 |
|---|
| 8, Ashmead Road515 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
|---|
| 4, Beech Road787 m away | 71 m² | 92 m² | +21 m² +30% | 2023 |
|---|
| Flat 6, 225, Westmacott Drive602 m away | 40 m² | 61 m² | +21 m² +53% | 2021 |
|---|
| Flat B, 388 - 394, Staines Road711 m away | 65 m² | 86 m² | +21 m² +32% | 2014 |
|---|
| 71, Southville Road683 m away | 50 m² | 71 m² | +21 m² +42% | 2011 |
|---|
| 207, Westmacott Drive711 m away | 69 m² | 89 m² | +20 m² +29% | 2026 |
|---|
| 71, Harlington Road West799 m away | 114 m² | 134 m² | +20 m² +18% | 2026 |
|---|
| Flat 22, Camellia House, Tilley Road897 m away | 64 m² | 84 m² | +20 m² +31% | 2026 |
|---|
| 9, Kingston Avenue477 m away | 44 m² | 64 m² | +20 m² +45% | 2023 |
|---|
| 9, Elsworth Close955 m away | 58 m² | 78 m² | +20 m² +34% | 2023 |
|---|
| 70, Tachbrook Road31 m away | 91 m² | 111 m² | +20 m² +22% | 2021 |
|---|
| 83, Southville Road683 m away | 68 m² | 88 m² | +20 m² +29% | 2021 |
|---|
| Flat 6, 21, Page Road902 m away | 50 m² | 70 m² | +20 m² +40% | 2020 |
|---|
| Flat 66, Hamlyn House, High Street926 m away | 43 m² | 63 m² | +20 m² +47% | 2016 |
|---|
| 8, Hounslow Road958 m away | 48 m² | 68 m² | +20 m² +42% | 2015 |
|---|
| 132, Field Road978 m away | 41 m² | 61 m² | +20 m² +49% | 2015 |
|---|
| 8, Missenden Close658 m away | 60 m² | 80 m² | +20 m² +33% | 2013 |
|---|
| 251a, Staines Road454 m away | 75 m² | 95 m² | +20 m² +27% | 2012 |
|---|
| 64, Page Road929 m away | 47 m² | 67 m² | +20 m² +43% | 2010 |
|---|
| 61, Shaftesbury Avenue590 m away | 84 m² | 103 m² | +19 m² +23% | 2026 |
|---|
| 51, Tachbrook Road0 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
|---|
| 313, Bedfont Lane417 m away | 69 m² | 88 m² | +19 m² +28% | 2024 |
|---|
| 45, Longford Avenue481 m away | 48 m² | 67 m² | +19 m² +40% | 2024 |
|---|
| 50, Ruskin Avenue240 m away | 74 m² | 93 m² | +19 m² +26% | 2023 |
|---|
| 53, Ruskin Avenue240 m away | 81 m² | 100 m² | +19 m² +23% | 2022 |
|---|
| 57, Lansbury Avenue942 m away | 70 m² | 89 m² | +19 m² +27% | 2021 |
|---|
| 53, Trevithick Close542 m away | 46 m² | 65 m² | +19 m² +41% | 2015 |
|---|
| 44, Southville Road435 m away | 95 m² | 113 m² | +18 m² +19% | 2025 |
|---|
| 274, Westmacott Drive583 m away | 72 m² | 90 m² | +18 m² +25% | 2025 |
|---|
| 324, Bedfont Lane224 m away | 71 m² | 89 m² | +18 m² +25% | 2024 |
|---|
| 16, Kendal Close729 m away | 55 m² | 73 m² | +18 m² +33% | 2024 |
|---|
| 112, Guildford Avenue834 m away | 51 m² | 69 m² | +18 m² +35% | 2023 |
|---|
| 44, Eldridge Close678 m away | 80 m² | 98 m² | +18 m² +23% | 2022 |
|---|
| Flat 7, 19, Page Road902 m away | 59 m² | 77 m² | +18 m² +31% | 2022 |
|---|
| 23, Fruen Road146 m away | 95 m² | 113 m² | +18 m² +19% | 2020 |
|---|
| 51, Helen Avenue752 m away | 84 m² | 102 m² | +18 m² +21% | 2017 |
|---|
| 35, Westminster Close515 m away | 73 m² | 91 m² | +18 m² +25% | 2014 |
|---|
| Flat 47, Camellia House, Tilley Road897 m away | 49 m² | 66 m² | +17 m² +35% | 2023 |
|---|
| 94, Guildford Avenue965 m away | 51 m² | 68 m² | +17 m² +33% | 2021 |
|---|
| Flat 12, Hamlyn House, High Street926 m away | 60 m² | 77 m² | +17 m² +28% | 2020 |
|---|
| 268, Westmacott Drive583 m away | 74 m² | 91 m² | +17 m² +23% | 2015 |
|---|
| 495, Staines Road626 m away | 22 m² | 39 m² | +17 m² +77% | 2012 |
|---|
| 93, Harlington Road West799 m away | 103 m² | 119 m² | +16 m² +16% | 2026 |
|---|
| 31, Kingston Avenue477 m away | 63 m² | 79 m² | +16 m² +25% | 2025 |
|---|
| Flat 5, 22, Lewin Terrace963 m away | 47 m² | 63 m² | +16 m² +34% | 2025 |
|---|
| 253, Westmacott Drive602 m away | 86 m² | 102 m² | +16 m² +19% | 2024 |
|---|
| 55, Guildford Avenue862 m away | 77 m² | 93 m² | +16 m² +21% | 2024 |
|---|
| 44, Letchworth Avenue171 m away | 69 m² | 85 m² | +16 m² +23% | 2023 |
|---|
| 264, Westmacott Drive583 m away | 78 m² | 94 m² | +16 m² +21% | 2023 |
|---|
| 27, Shaftesbury Avenue590 m away | 79 m² | 95 m² | +16 m² +20% | 2023 |
|---|
| 13, Warfield Road622 m away | 92 m² | 108 m² | +16 m² +17% | 2021 |
|---|
| 78, Page Road929 m away | 96 m² | 112 m² | +16 m² +17% | 2021 |
|---|
| 26, Southville Road435 m away | 93 m² | 109 m² | +16 m² +17% | 2016 |
|---|
| 278, Westmacott Drive583 m away | 62 m² | 78 m² | +16 m² +26% | 2015 |
|---|
| 28, Jubilee Way652 m away | 70 m² | 86 m² | +16 m² +23% | 2014 |
|---|
| 48, Gladstone Avenue666 m away | 67 m² | 83 m² | +16 m² +24% | 2014 |
|---|
| 68, Kilross Road940 m away | 69 m² | 85 m² | +16 m² +23% | 2014 |
|---|
| 23, Kilross Road954 m away | 39 m² | 55 m² | +16 m² +41% | 2014 |
|---|
| 2, Missenden Close658 m away | 64 m² | 80 m² | +16 m² +25% | 2013 |
|---|
| 247, Westmacott Drive602 m away | 69 m² | 84 m² | +15 m² +22% | 2026 |
|---|
| 107, Fruen Road106 m away | 95 m² | 110 m² | +15 m² +16% | 2021 |
|---|
| Flat 2, Carlton House, 413 - 419, Staines Road327 m away | 40 m² | 55 m² | +15 m² +38% | 2020 |
|---|
| Flat 29, Azalea House, Bedfont Lane941 m away | 72 m² | 87 m² | +15 m² +21% | 2020 |
|---|
| 264, Bedfont Lane224 m away | 87 m² | 102 m² | +15 m² +17% | 2018 |
|---|
| 127, Northumberland Crescent873 m away | 50 m² | 65 m² | +15 m² +30% | 2016 |
|---|
| 103, Beech Road701 m away | 88 m² | 103 m² | +15 m² +17% | 2015 |
|---|
| 26, Bridlepath Way762 m away | 82 m² | 97 m² | +15 m² +18% | 2013 |
|---|