Finding extended homes…
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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 IG1 2UL
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 |
|---|---|---|---|---|
| 37, Parkway789 m away | 117 m² | 291 m² | +174 m² +149% | 2021 |
| 71, Thurlestone Avenue726 m away | 115 m² | 264 m² | +149 m² +130% | 2022 |
| 25, Parkway789 m away | 177 m² | 298 m² | +121 m² +68% | 2024 |
| 52, Hampton Road866 m away | 94 m² | 213 m² | +119 m² +127% | 2023 |
| 56, Sandhurst Drive970 m away | 110 m² | 228 m² | +118 m² +107% | 2025 |
| 76, Malvern Drive755 m away | 96 m² | 214 m² | +118 m² +123% | 2013 |
| 6, Parkway788 m away | 132 m² | 249 m² | +117 m² +89% | 2025 |
| 11, Sunnyside Road736 m away | 88 m² | 202 m² | +114 m² +130% | 2024 |
| 91, Cavendish Gardens869 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.
| 199 m² |
| +110 m² +124% |
| 2026 |
| 19, Thurlestone Avenue590 m away | 124 m² | 226 m² | +102 m² +82% | 2012 |
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| 16, Chudleigh Crescent348 m away | 115 m² | 216 m² | +101 m² +88% | 2025 |
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| 23, Ashburton Avenue440 m away | 87 m² | 188 m² | +101 m² +116% | 2025 |
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| 36, Tavistock Gardens441 m away | 118 m² | 212 m² | +94 m² +80% | 2022 |
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| 35, South Park Crescent719 m away | 96 m² | 188 m² | +92 m² +96% | 2025 |
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| 126, Gordon Road360 m away | 84 m² | 169 m² | +85 m² +101% | 2026 |
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| 117, Mortlake Road601 m away | 108 m² | 193 m² | +85 m² +79% | 2025 |
|---|
| 53, South Park Road94 m away | 86 m² | 171 m² | +85 m² +99% | 2018 |
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| 2, Lyndhurst Gardens979 m away | 142 m² | 224 m² | +82 m² +58% | 2023 |
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| 26, Egerton Gardens879 m away | 106 m² | 188 m² | +82 m² +77% | 2009 |
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| 72, Dawlish Drive573 m away | 116 m² | 196 m² | +80 m² +69% | 2018 |
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| 20, Parkway788 m away | 84 m² | 164 m² | +80 m² +95% | 2010 |
|---|
| 99, Ashburton Avenue656 m away | 78 m² | 155 m² | +77 m² +99% | 2019 |
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| 120, Dawlish Drive895 m away | 101 m² | 175 m² | +74 m² +73% | 2012 |
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| 2, Connaught Road996 m away | 108 m² | 181 m² | +73 m² +68% | 2021 |
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| 188, Longbridge Road891 m away | 169 m² | 241 m² | +72 m² +43% | 2023 |
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| 27, Mortlake Road915 m away | 75 m² | 144 m² | +69 m² +92% | 2022 |
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| 58, Ripley Road990 m away | 85 m² | 153 m² | +68 m² +80% | 2017 |
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| 81, Woodlands Road942 m away | 123 m² | 190 m² | +67 m² +54% | 2026 |
|---|
| 143, Dawlish Drive895 m away | 116 m² | 183 m² | +67 m² +58% | 2021 |
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| 17, Woodbridge Road992 m away | 92 m² | 158 m² | +66 m² +72% | 2023 |
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| 90, Kingston Road784 m away | 81 m² | 146 m² | +65 m² +80% | 2016 |
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| 23, Belmont Road948 m away | 68 m² | 131 m² | +63 m² +93% | 2023 |
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| 95, Cobham Road725 m away | 76 m² | 138 m² | +62 m² +82% | 2021 |
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| 21, Cobham Road866 m away | 85 m² | 147 m² | +62 m² +73% | 2019 |
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| 52, Tavistock Gardens441 m away | 90 m² | 152 m² | +62 m² +69% | 2018 |
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| 42, Malvern Drive755 m away | 100 m² | 162 m² | +62 m² +62% | 2018 |
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| 11, Broadhurst Avenue834 m away | 47 m² | 109 m² | +62 m² +132% | 2009 |
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| 477, Longbridge Road945 m away | 106 m² | 167 m² | +61 m² +58% | 2021 |
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| 185, Grange Road526 m away | 75 m² | 136 m² | +61 m² +81% | 2019 |
|---|
| 116, Park Road449 m away | 71 m² | 131 m² | +60 m² +85% | 2025 |
|---|
| 252, Staines Road192 m away | 91 m² | 151 m² | +60 m² +66% | 2024 |
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| 43, Meadway513 m away | 92 m² | 152 m² | +60 m² +65% | 2015 |
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| 170, Ashburton Avenue908 m away | 94 m² | 153 m² | +59 m² +63% | 2023 |
|---|
| 124, Henley Road624 m away | 88 m² | 147 m² | +59 m² +67% | 2017 |
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| 30, Kingston Road993 m away | 73 m² | 132 m² | +59 m² +81% | 2016 |
|---|
| 1, Park Road691 m away | 47 m² | 105 m² | +58 m² +123% | 2024 |
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| 85, Kingston Road784 m away | 75 m² | 133 m² | +58 m² +77% | 2022 |
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| 165, South Park Drive513 m away | 89 m² | 147 m² | +58 m² +65% | 2020 |
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| 201, Hampton Road411 m away | 102 m² | 159 m² | +57 m² +56% | 2020 |
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| 45, Levett Gardens668 m away | 69 m² | 126 m² | +57 m² +83% | 2011 |
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| 10, South Park Crescent719 m away | 82 m² | 138 m² | +56 m² +68% | 2026 |
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| 235, South Park Drive292 m away | 50 m² | 106 m² | +56 m² +112% | 2025 |
|---|
| 38, Staines Road607 m away | 99 m² | 155 m² | +56 m² +57% | 2020 |
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| 187, Richmond Road505 m away | 92 m² | 147 m² | +55 m² +60% | 2018 |
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| 31, Dudley Road932 m away | 96 m² | 151 m² | +55 m² +57% | 2017 |
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| 55, Chudleigh Crescent384 m away | 90 m² | 145 m² | +55 m² +61% | 2015 |
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| 155, Mortlake Road392 m away | 49 m² | 104 m² | +55 m² +112% | 2012 |
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| 142, Hampton Road650 m away | 91 m² | 145 m² | +54 m² +59% | 2021 |
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| 22, Levett Gardens668 m away | 94 m² | 148 m² | +54 m² +57% | 2020 |
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| 41, Malvern Drive779 m away | 100 m² | 154 m² | +54 m² +54% | 2017 |
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| 116, Stanley Road887 m away | 96 m² | 149 m² | +53 m² +55% | 2022 |
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| 73, South Park Road113 m away | 70 m² | 123 m² | +53 m² +76% | 2015 |
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| 58, Broadhurst Avenue812 m away | 114 m² | 166 m² | +52 m² +46% | 2026 |
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| 107, Hampton Road753 m away | 99 m² | 151 m² | +52 m² +53% | 2025 |
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| 114, Kingston Road784 m away | 128 m² | 180 m² | +52 m² +41% | 2025 |
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| 37, Sandhurst Drive965 m away | 97 m² | 149 m² | +52 m² +54% | 2024 |
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| 34, Windsor Road900 m away | 94 m² | 146 m² | +52 m² +55% | 2022 |
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| 226, Mortlake Road385 m away | 68 m² | 120 m² | +52 m² +76% | 2021 |
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| 104, Dawlish Drive739 m away | 95 m² | 147 m² | +52 m² +55% | 2018 |
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| 119, South Park Drive513 m away | 89 m² | 141 m² | +52 m² +58% | 2015 |
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| 42, Levett Gardens668 m away | 115 m² | 166 m² | +51 m² +44% | 2026 |
|---|
| 60, Ripley Road990 m away | 82 m² | 133 m² | +51 m² +62% | 2022 |
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| 22, Meadway504 m away | 78 m² | 128 m² | +50 m² +64% | 2026 |
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| 21, South Park Drive781 m away | 75 m² | 125 m² | +50 m² +67% | 2026 |
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| 11a, Twyford Road785 m away | 58 m² | 108 m² | +50 m² +86% | 2025 |
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| 49, Rutland Road964 m away | 97 m² | 147 m² | +50 m² +52% | 2025 |
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| 45, Tylehurst Gardens828 m away | 122 m² | 172 m² | +50 m² +41% | 2024 |
|---|
| 105, Stanley Road896 m away | 39 m² | 88 m² | +49 m² +126% | 2013 |
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| 5, Parkway789 m away | 131 m² | 180 m² | +49 m² +37% | 2010 |
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| 28, South Park Crescent719 m away | 97 m² | 145 m² | +48 m² +49% | 2024 |
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| 18, Tylehurst Gardens828 m away | 86 m² | 134 m² | +48 m² +56% | 2022 |
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| 39, St Marys Road968 m away | 97 m² | 145 m² | +48 m² +49% | 2022 |
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| 181, Grange Road599 m away | 76 m² | 124 m² | +48 m² +63% | 2020 |
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| 162, Longbridge Road975 m away | 176 m² | 224 m² | +48 m² +27% | 2015 |
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| 10, Gordon Road728 m away | 92 m² | 139 m² | +47 m² +51% | 2023 |
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| 27, South Park Drive781 m away | 92 m² | 139 m² | +47 m² +51% | 2023 |
|---|
| 65, Water Lane657 m away | 148 m² | 195 m² | +47 m² +32% | 2021 |
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| 20, South Park Drive318 m away | 148 m² | 195 m² | +47 m² +32% | 2016 |
|---|
| 93, Kingston Road784 m away | 89 m² | 136 m² | +47 m² +53% | 2013 |
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| 10, Holmwood Road954 m away | 68 m² | 115 m² | +47 m² +69% | 2013 |
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| 18, Parkway788 m away | 117 m² | 164 m² | +47 m² +40% | 2012 |
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| 9a, Chudleigh Crescent384 m away | 55 m² | 102 m² | +47 m² +85% | 2010 |
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| 7, Littlemoor Road288 m away | 81 m² | 127 m² | +46 m² +57% | 2023 |
|---|
| 144, Kingston Road665 m away | 80 m² | 126 m² | +46 m² +57% | 2021 |
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| 157, Grange Road670 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
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| 67, Thurlestone Avenue726 m away | 110 m² | 156 m² | +46 m² +42% | 2018 |
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| 63, Gordon Road423 m away | 94 m² | 139 m² | +45 m² +48% | 2025 |
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| 36, Belmont Road905 m away | 152 m² | 197 m² | +45 m² +30% | 2023 |
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| 127, Grange Road733 m away | 82 m² | 127 m² | +45 m² +55% | 2021 |
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| 8, Griggs Close146 m away | 41 m² | 86 m² | +45 m² +110% | 2019 |
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| 140, Windsor Road697 m away | 97 m² | 141 m² | +44 m² +45% | 2026 |
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| 85, Sunnyside Road579 m away | 88 m² | 132 m² | +44 m² +50% | 2024 |
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| 79, South Park Drive628 m away | 79 m² | 123 m² | +44 m² +56% | 2023 |
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| 271, Mortlake Road206 m away | 85 m² | 129 m² | +44 m² +52% | 2020 |
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| 135, Windsor Road549 m away | 85 m² | 129 m² | +44 m² +52% | 2016 |
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| 27, Loxford Lane982 m away | 90 m² | 134 m² | +44 m² +49% | 2015 |
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| 18, St Marys Road933 m away | 72 m² | 115 m² | +43 m² +60% | 2026 |
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| 359, Henley Road285 m away | 107 m² | 150 m² | +43 m² +40% | 2024 |
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| 202, Staines Road73 m away | 119 m² | 162 m² | +43 m² +36% | 2022 |
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| 25, Loxford Lane982 m away | 93 m² | 136 m² | +43 m² +46% | 2022 |
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| 481, Longbridge Road945 m away | 103 m² | 146 m² | +43 m² +42% | 2021 |
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| 70, Hampton Road866 m away | 96 m² | 139 m² | +43 m² +45% | 2019 |
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| 262, Henley Road228 m away | 69 m² | 112 m² | +43 m² +62% | 2017 |
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| 178, Kingston Road535 m away | 67 m² | 110 m² | +43 m² +64% | 2016 |
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| 244, Henley Road228 m away | 111 m² | 153 m² | +42 m² +38% | 2026 |
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| 68, Holmwood Road853 m away | 70 m² | 112 m² | +42 m² +60% | 2023 |
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| 114, Dawlish Drive739 m away | 103 m² | 145 m² | +42 m² +41% | 2022 |
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| 158, Hampton Road650 m away | 89 m² | 131 m² | +42 m² +47% | 2021 |
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| 186, Windsor Road549 m away | 82 m² | 124 m² | +42 m² +51% | 2020 |
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| 252, Kingston Road465 m away | 82 m² | 124 m² | +42 m² +51% | 2019 |
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| 237, Henley Road250 m away | 92 m² | 134 m² | +42 m² +46% | 2018 |
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| 81, Meadway652 m away | 91 m² | 132 m² | +41 m² +45% | 2025 |
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| 54, Gordon Road618 m away | 114 m² | 155 m² | +41 m² +36% | 2021 |
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| 2, South Park Crescent719 m away | 83 m² | 124 m² | +41 m² +49% | 2019 |
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| 60, Green Lane854 m away | 127 m² | 168 m² | +41 m² +32% | 2017 |
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| 274, Mortlake Road188 m away | 93 m² | 134 m² | +41 m² +44% | 2016 |
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| 109a, Gordon Road162 m away | 76 m² | 116 m² | +40 m² +53% | 2026 |
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| 18, Park Road710 m away | 122 m² | 162 m² | +40 m² +33% | 2026 |
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| 84, Meadway652 m away | 101 m² | 141 m² | +40 m² +40% | 2025 |
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| 156, Green Lane751 m away | 82 m² | 122 m² | +40 m² +49% | 2025 |
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| 12, Durham Place636 m away | 42 m² | 82 m² | +40 m² +95% | 2021 |
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| 174, Henley Road406 m away | 109 m² | 149 m² | +40 m² +37% | 2020 |
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| 78, Capel Gardens876 m away | 123 m² | 163 m² | +40 m² +33% | 2020 |
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| 226, Henley Road406 m away | 118 m² | 158 m² | +40 m² +34% | 2019 |
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| 63, South Park Drive628 m away | 83 m² | 123 m² | +40 m² +48% | 2019 |
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| 67, Grange Road865 m away | 49 m² | 89 m² | +40 m² +82% | 2019 |
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| 75, Holmwood Road853 m away | 73 m² | 113 m² | +40 m² +55% | 2017 |
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| 182, Henley Road406 m away | 89 m² | 129 m² | +40 m² +45% | 2016 |
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| 87, Sunnyside Road579 m away | 94 m² | 134 m² | +40 m² +43% | 2013 |
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| 40, Green Lane955 m away | 82 m² | 121 m² | +39 m² +48% | 2023 |
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| 69, Green Lane790 m away | 55 m² | 94 m² | +39 m² +71% | 2018 |
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| 276, Hampton Road282 m away | 72 m² | 110 m² | +38 m² +53% | 2024 |
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| 110, Albert Road831 m away | 42 m² | 80 m² | +38 m² +90% | 2024 |
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| 342, Green Lane974 m away | 103 m² | 141 m² | +38 m² +37% | 2022 |
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| 157, Cavendish Gardens990 m away | 112 m² | 150 m² | +38 m² +34% | 2022 |
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| 217, Henley Road420 m away | 85 m² | 123 m² | +38 m² +45% | 2016 |
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| 72, Meath Road636 m away | 46 m² | 84 m² | +38 m² +83% | 2015 |
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| 93, Betchworth Road680 m away | 90 m² | 127 m² | +37 m² +41% | 2025 |
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| 22, Lyndhurst Gardens979 m away | 85 m² | 122 m² | +37 m² +44% | 2025 |
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| 15, Meadway539 m away | 99 m² | 136 m² | +37 m² +37% | 2024 |
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| 29, Harman Rise157 m away | 48 m² | 85 m² | +37 m² +77% | 2019 |
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| 71, Cobham Road866 m away | 91 m² | 128 m² | +37 m² +41% | 2017 |
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| 249, Hampton Road282 m away | 71 m² | 108 m² | +37 m² +52% | 2016 |
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| 33, Staines Road451 m away | 59 m² | 96 m² | +37 m² +63% | 2014 |
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| 21, Chudleigh Crescent384 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
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| 133, Ashburton Avenue789 m away | 87 m² | 123 m² | +36 m² +41% | 2023 |
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| 88, Ashburton Avenue577 m away | 94 m² | 130 m² | +36 m² +38% | 2021 |
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| 24, Gordon Road728 m away | 42 m² | 78 m² | +36 m² +86% | 2019 |
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| 297, Hampton Road253 m away | 28 m² | 64 m² | +36 m² +129% | 2017 |
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| 19, Grange Road997 m away | 86 m² | 122 m² | +36 m² +42% | 2015 |
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| 132, Richmond Road643 m away | 93 m² | 128 m² | +35 m² +38% | 2025 |
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| 107, Cavendish Gardens940 m away | 119 m² | 154 m² | +35 m² +29% | 2025 |
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| 7, Elstree Gardens968 m away | 86 m² | 121 m² | +35 m² +41% | 2025 |
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| 328, Kingston Road327 m away | 96 m² | 131 m² | +35 m² +36% | 2023 |
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| 1, Kingston Road993 m away | 105 m² | 140 m² | +35 m² +33% | 2023 |
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| 197, Hampton Road411 m away | 75 m² | 110 m² | +35 m² +47% | 2021 |
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| 35, Staines Road451 m away | 94 m² | 129 m² | +35 m² +37% | 2021 |
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| 162, Kingston Road665 m away | 85 m² | 120 m² | +35 m² +41% | 2019 |
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| 58, Woodlands Road942 m away | 29 m² | 64 m² | +35 m² +121% | 2014 |
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| 305, Eton Road0 m away | 145 m² | 180 m² | +35 m² +24% | 2013 |
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| 99, Meadway725 m away | 134 m² | 169 m² | +35 m² +26% | 2009 |
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| 12, Meadway504 m away | 137 m² | 171 m² | +34 m² +25% | 2026 |
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| 479, Longbridge Road945 m away | 110 m² | 144 m² | +34 m² +31% | 2025 |
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| 300, Hampton Road253 m away | 89 m² | 123 m² | +34 m² +38% | 2024 |
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| 18, Sandhurst Drive965 m away | 94 m² | 128 m² | +34 m² +36% | 2024 |
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| 188, Staines Road186 m away | 79 m² | 113 m² | +34 m² +43% | 2022 |
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| 112, Henley Road624 m away | 136 m² | 170 m² | +34 m² +25% | 2022 |
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| 57, Chudleigh Crescent384 m away | 149 m² | 183 m² | +34 m² +23% | 2019 |
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| 107, Green Lane773 m away | 83 m² | 117 m² | +34 m² +41% | 2019 |
|---|
| 32, Kingston Road993 m away | 91 m² | 125 m² | +34 m² +37% | 2016 |
|---|
| 268, Kingston Road370 m away | 90 m² | 123 m² | +33 m² +37% | 2024 |
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| 222, Mortlake Road385 m away | 85 m² | 118 m² | +33 m² +39% | 2023 |
|---|
| 10, Hampton Road970 m away | 114 m² | 147 m² | +33 m² +29% | 2021 |
|---|
| 12, Griggs Close146 m away | 41 m² | 74 m² | +33 m² +80% | 2019 |
|---|
| 154, Grange Road670 m away | 108 m² | 141 m² | +33 m² +31% | 2015 |
|---|
| 71, Stanley Road858 m away | 88 m² | 121 m² | +33 m² +38% | 2013 |
|---|
| 43, Henley Road937 m away | 94 m² | 126 m² | +32 m² +34% | 2025 |
|---|
| 18, Harman Rise157 m away | 41 m² | 73 m² | +32 m² +78% | 2021 |
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| 4, Melford Road815 m away | 36 m² | 68 m² | +32 m² +89% | 2020 |
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| 41, Littlemoor Road288 m away | 75 m² | 107 m² | +32 m² +43% | 2019 |
|---|
| 85, Ashburton Avenue577 m away | 127 m² | 159 m² | +32 m² +25% | 2019 |
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| 12, Staines Road672 m away | 80 m² | 112 m² | +32 m² +40% | 2019 |
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| 270, Henley Road228 m away | 72 m² | 104 m² | +32 m² +44% | 2015 |
|---|
| 119, Cavendish Gardens940 m away | 110 m² | 142 m² | +32 m² +29% | 2015 |
|---|
| 206, Staines Road73 m away | 97 m² | 128 m² | +31 m² +32% | 2026 |
|---|
| 62, Cobham Road846 m away | 90 m² | 121 m² | +31 m² +34% | 2026 |
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| 3, Henley Road937 m away | 95 m² | 126 m² | +31 m² +33% | 2025 |
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| 65, Rutland Road964 m away | 95 m² | 126 m² | +31 m² +33% | 2025 |
|---|
| 59, Stanley Road892 m away | 79 m² | 110 m² | +31 m² +39% | 2024 |
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| 297, Henley Road148 m away | 64 m² | 95 m² | +31 m² +48% | 2022 |
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