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 W13 9EB
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 |
|---|---|---|---|---|
| 295, Boston Road772 m away | 118 m² | 240 m² | +122 m² +103% | 2021 |
| 57, Waldemar Avenue804 m away | 123 m² | 231 m² | +108 m² +88% | 2024 |
| 90, Southdown Avenue885 m away | 113 m² | 215 m² | +102 m² +90% | 2021 |
| 239, Boston Road640 m away | 114 m² | 211 m² | +97 m² +85% | 2023 |
| 49, Burnham Way986 m away | 99 m² | 191 m² | +92 m² +93% | 2023 |
| 43, Elers Road766 m away | 148 m² | 239 m² | +91 m² +61% | 2019 |
| 9, St Kilda Road30 m away | 128 m² | 217 m² | +89 m² +70% | 2017 |
| 49, Culmington Road848 m away | 151 m² | 239 m² | +88 m² +58% | 2012 |
| 21, Erlesmere Gardens530 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.
| 73 m² |
| 159 m² |
| +86 m² +118% |
| 2020 |
| 46, Manor Road799 m away | 60 m² | 145 m² | +85 m² +142% | 2011 |
|---|
| 21, Elers Road766 m away | 183 m² | 262 m² | +79 m² +43% | 2026 |
|---|
| 91, Manton Avenue445 m away | 90 m² | 168 m² | +78 m² +87% | 2022 |
|---|
| 40, Manor Road799 m away | 52 m² | 128 m² | +76 m² +146% | 2026 |
|---|
| 159, Clitherow Avenue963 m away | 111 m² | 185 m² | +74 m² +67% | 2021 |
|---|
| 47, Woodstock Avenue561 m away | 108 m² | 181 m² | +73 m² +68% | 2025 |
|---|
| 311, Ashmead House, Tewkesbury Road484 m away | 50 m² | 123 m² | +73 m² +146% | 2024 |
|---|
| 31, Mayfield Avenue498 m away | 87 m² | 156 m² | +69 m² +79% | 2022 |
|---|
| 20, Coldershaw Road264 m away | 58 m² | 126 m² | +68 m² +117% | 2023 |
|---|
| 65, Seward Road263 m away | 108 m² | 175 m² | +67 m² +62% | 2024 |
|---|
| 42, St Kilda Road67 m away | 116 m² | 183 m² | +67 m² +58% | 2022 |
|---|
| 58, Church Road948 m away | 99 m² | 166 m² | +67 m² +68% | 2018 |
|---|
| 136, Midhurst Road388 m away | 96 m² | 161 m² | +65 m² +68% | 2022 |
|---|
| 11, Wyndham Road612 m away | 87 m² | 151 m² | +64 m² +74% | 2009 |
|---|
| 20, Alexandria Road663 m away | 90 m² | 153 m² | +63 m² +70% | 2022 |
|---|
| 3, Milford Road239 m away | 76 m² | 139 m² | +63 m² +83% | 2017 |
|---|
| 31, Rathgar Avenue514 m away | 130 m² | 193 m² | +63 m² +48% | 2017 |
|---|
| 46, Cherington Road881 m away | 142 m² | 204 m² | +62 m² +44% | 2023 |
|---|
| 31, Elers Road766 m away | 141 m² | 203 m² | +62 m² +44% | 2017 |
|---|
| 21a, Camborne Avenue636 m away | 113 m² | 174 m² | +61 m² +54% | 2023 |
|---|
| 30, Croft Gardens269 m away | 138 m² | 199 m² | +61 m² +44% | 2022 |
|---|
| 76, Cumberland Road468 m away | 99 m² | 160 m² | +61 m² +62% | 2020 |
|---|
| 69, Leighton Road192 m away | 125 m² | 186 m² | +61 m² +49% | 2014 |
|---|
| 43, Seward Road221 m away | 53 m² | 114 m² | +61 m² +115% | 2014 |
|---|
| 58, Lavington Road595 m away | 172 m² | 231 m² | +59 m² +34% | 2025 |
|---|
| 18, Studley Grange Road929 m away | 80 m² | 139 m² | +59 m² +74% | 2015 |
|---|
| 24, Manton Avenue449 m away | 89 m² | 147 m² | +58 m² +65% | 2026 |
|---|
| 52, Eccleston Road624 m away | 96 m² | 154 m² | +58 m² +60% | 2024 |
|---|
| 11, Chalfont Way929 m away | 74 m² | 132 m² | +58 m² +78% | 2024 |
|---|
| 98, Oaklands Road330 m away | 43 m² | 101 m² | +58 m² +135% | 2023 |
|---|
| 1, Cardiff Road774 m away | 91 m² | 149 m² | +58 m² +64% | 2022 |
|---|
| 34, Melbourne Avenue250 m away | 64 m² | 122 m² | +58 m² +91% | 2009 |
|---|
| 2, Hatfield Road330 m away | 78 m² | 135 m² | +57 m² +73% | 2021 |
|---|
| 22, Connaught Road630 m away | 94 m² | 151 m² | +57 m² +61% | 2020 |
|---|
| 82, Grosvenor Road331 m away | 122 m² | 179 m² | +57 m² +47% | 2017 |
|---|
| 20, Montague Avenue788 m away | 81 m² | 137 m² | +56 m² +69% | 2020 |
|---|
| 54, Burnham Way946 m away | 86 m² | 142 m² | +56 m² +65% | 2012 |
|---|
| 1, Lancaster Gardens501 m away | 131 m² | 186 m² | +55 m² +42% | 2026 |
|---|
| 7, Walmer Gardens421 m away | 164 m² | 219 m² | +55 m² +34% | 2019 |
|---|
| 7, St James Avenue241 m away | 155 m² | 209 m² | +54 m² +35% | 2022 |
|---|
| 57, Mattock Lane580 m away | 220 m² | 274 m² | +54 m² +25% | 2022 |
|---|
| 111, Loveday Road456 m away | 92 m² | 146 m² | +54 m² +59% | 2017 |
|---|
| 83, Loveday Road456 m away | 109 m² | 162 m² | +53 m² +49% | 2026 |
|---|
| 60, Drayton Gardens922 m away | 92 m² | 145 m² | +53 m² +58% | 2023 |
|---|
| 2, Seasons Close863 m away | 64 m² | 117 m² | +53 m² +83% | 2020 |
|---|
| 153, Boston Road695 m away | 48 m² | 101 m² | +53 m² +110% | 2014 |
|---|
| 5, Adelaide Road34 m away | 105 m² | 157 m² | +52 m² +50% | 2024 |
|---|
| 81, Leighton Road225 m away | 126 m² | 178 m² | +52 m² +41% | 2023 |
|---|
| 10, Wyndham Road612 m away | 92 m² | 144 m² | +52 m² +57% | 2015 |
|---|
| 32, Deans Road641 m away | 81 m² | 132 m² | +51 m² +63% | 2026 |
|---|
| 103, Leighton Road225 m away | 93 m² | 144 m² | +51 m² +55% | 2025 |
|---|
| 45, Wyndham Road612 m away | 101 m² | 152 m² | +51 m² +50% | 2025 |
|---|
| 61, Drayton Gardens890 m away | 92 m² | 143 m² | +51 m² +55% | 2025 |
|---|
| 31, Clairville Gardens973 m away | 80 m² | 131 m² | +51 m² +64% | 2021 |
|---|
| 91, Southdown Avenue907 m away | 128 m² | 179 m² | +51 m² +40% | 2020 |
|---|
| 65, Burnham Way986 m away | 89 m² | 140 m² | +51 m² +57% | 2019 |
|---|
| 31, Tawny Close431 m away | 64 m² | 115 m² | +51 m² +80% | 2014 |
|---|
| 22, St James Avenue253 m away | 141 m² | 191 m² | +50 m² +35% | 2025 |
|---|
| 25, Loveday Road471 m away | 152 m² | 202 m² | +50 m² +33% | 2022 |
|---|
| 4, Royal Gardens868 m away | 153 m² | 203 m² | +50 m² +33% | 2016 |
|---|
| 9, Montague Road685 m away | 40 m² | 90 m² | +50 m² +125% | 2012 |
|---|
| 74, Eccleston Road624 m away | 71 m² | 120 m² | +49 m² +69% | 2025 |
|---|
| 8, Studley Grange Road929 m away | 86 m² | 135 m² | +49 m² +57% | 2023 |
|---|
| 50, Drayton Gardens922 m away | 92 m² | 141 m² | +49 m² +53% | 2022 |
|---|
| 36, Drayton Avenue858 m away | 76 m² | 125 m² | +49 m² +64% | 2020 |
|---|
| 42, Adelaide Road0 m away | 101 m² | 150 m² | +49 m² +49% | 2017 |
|---|
| 47, Hessel Road259 m away | 86 m² | 134 m² | +48 m² +56% | 2026 |
|---|
| 150, Oaklands Road244 m away | 54 m² | 102 m² | +48 m² +89% | 2024 |
|---|
| 36, Adelaide Road0 m away | 106 m² | 154 m² | +48 m² +45% | 2023 |
|---|
| 6, St Kilda Road67 m away | 113 m² | 161 m² | +48 m² +42% | 2010 |
|---|
| 10, Seward Road186 m away | 109 m² | 156 m² | +47 m² +43% | 2026 |
|---|
| 6, Newland Gardens334 m away | 88 m² | 135 m² | +47 m² +53% | 2024 |
|---|
| 18, Burnham Way946 m away | 86 m² | 133 m² | +47 m² +55% | 2023 |
|---|
| 42, Eccleston Road624 m away | 83 m² | 130 m² | +47 m² +57% | 2014 |
|---|
| 36, Burnham Way946 m away | 89 m² | 136 m² | +47 m² +53% | 2012 |
|---|
| 54, Manton Avenue449 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 48, Bedford Road633 m away | 98 m² | 144 m² | +46 m² +47% | 2024 |
|---|
| 25, Westfield Road268 m away | 90 m² | 136 m² | +46 m² +51% | 2021 |
|---|
| Saroja House, 34, Hastings Road931 m away | 155 m² | 201 m² | +46 m² +30% | 2016 |
|---|
| 2, Hastings Road967 m away | 98 m² | 143 m² | +45 m² +46% | 2026 |
|---|
| 15, Rathgar Avenue655 m away | 153 m² | 198 m² | +45 m² +29% | 2023 |
|---|
| 45, Northfield Avenue399 m away | 85 m² | 130 m² | +45 m² +53% | 2018 |
|---|
| 9, Endsleigh Road633 m away | 90 m² | 135 m² | +45 m² +50% | 2011 |
|---|
| 13, Lavington Road546 m away | 77 m² | 122 m² | +45 m² +58% | 2009 |
|---|
| 132, Oaklands Road244 m away | 119 m² | 163 m² | +44 m² +37% | 2026 |
|---|
| 13, Lambourn Close845 m away | 32 m² | 76 m² | +44 m² +138% | 2025 |
|---|
| 19, Osterley Park View Road957 m away | 90 m² | 134 m² | +44 m² +49% | 2025 |
|---|
| 101, Milton Road998 m away | 124 m² | 168 m² | +44 m² +35% | 2025 |
|---|
| 94, Felix Road711 m away | 82 m² | 126 m² | +44 m² +54% | 2023 |
|---|
| 73, Clitherow Avenue721 m away | 104 m² | 148 m² | +44 m² +42% | 2023 |
|---|
| 7, Glenfield Road436 m away | 94 m² | 138 m² | +44 m² +47% | 2020 |
|---|
| 3, Broomfield Place640 m away | 92 m² | 136 m² | +44 m² +48% | 2019 |
|---|
| 46, Hartington Road759 m away | 179 m² | 223 m² | +44 m² +25% | 2018 |
|---|
| 4, Deans Road641 m away | 68 m² | 112 m² | +44 m² +65% | 2017 |
|---|
| 18, St Kilda Road67 m away | 110 m² | 154 m² | +44 m² +40% | 2016 |
|---|
| 75, Oaklands Road340 m away | 126 m² | 170 m² | +44 m² +35% | 2015 |
|---|
| 41, Claygate Road516 m away | 98 m² | 142 m² | +44 m² +45% | 2015 |
|---|
| 105, Grosvenor Road269 m away | 79 m² | 122 m² | +43 m² +54% | 2024 |
|---|
| 105a, Seaford Road284 m away | 69 m² | 112 m² | +43 m² +62% | 2024 |
|---|
| 50, Bedford Road633 m away | 101 m² | 144 m² | +43 m² +43% | 2024 |
|---|
| 44, Drayton Avenue858 m away | 83 m² | 126 m² | +43 m² +52% | 2022 |
|---|
| 28b, Coldershaw Road264 m away | 61 m² | 104 m² | +43 m² +70% | 2021 |
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| 89, Northcroft Road675 m away | 65 m² | 108 m² | +43 m² +66% | 2019 |
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| 45, Leighton Road234 m away | 110 m² | 153 m² | +43 m² +39% | 2018 |
|---|
| 102, Cranmer Avenue837 m away | 47 m² | 90 m² | +43 m² +91% | 2018 |
|---|
| 51, Burnham Way986 m away | 91 m² | 134 m² | +43 m² +47% | 2014 |
|---|
| 89, St Kilda Road30 m away | 129 m² | 171 m² | +42 m² +33% | 2025 |
|---|
| 60, Seaford Road260 m away | 35 m² | 77 m² | +42 m² +120% | 2025 |
|---|
| 53, Glenfield Road436 m away | 86 m² | 128 m² | +42 m² +49% | 2025 |
|---|
| 9, Glenfield Road436 m away | 91 m² | 133 m² | +42 m² +46% | 2023 |
|---|
| 98, Coldershaw Road161 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
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| 8, Glenfield Road436 m away | 88 m² | 130 m² | +42 m² +48% | 2019 |
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| 59, Drayton Avenue833 m away | 83 m² | 125 m² | +42 m² +51% | 2017 |
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| 9, Jersey Road467 m away | 96 m² | 137 m² | +41 m² +43% | 2026 |
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| 13, Chamberlain Road308 m away | 70 m² | 111 m² | +41 m² +59% | 2025 |
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| 137, Loveday Road456 m away | 102 m² | 143 m² | +41 m² +40% | 2025 |
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| 14, Southfield Cottages587 m away | 49 m² | 90 m² | +41 m² +84% | 2022 |
|---|
| 3, Seasons Close863 m away | 102 m² | 143 m² | +41 m² +40% | 2022 |
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| 62, Drayton Gardens922 m away | 109 m² | 150 m² | +41 m² +38% | 2022 |
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| 126, Elthorne Avenue367 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
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| 35, Haslemere Avenue744 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
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| 1, Allingham Close907 m away | 51 m² | 92 m² | +41 m² +80% | 2020 |
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| 34, Clairville Gardens973 m away | 79 m² | 120 m² | +41 m² +52% | 2020 |
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| 43, Osterley Park View Road957 m away | 98 m² | 139 m² | +41 m² +42% | 2019 |
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| 134a, Oaklands Road244 m away | 58 m² | 99 m² | +41 m² +71% | 2017 |
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| 21, Mayfield Avenue498 m away | 89 m² | 130 m² | +41 m² +46% | 2017 |
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| 66, Westfield Road176 m away | 78 m² | 118 m² | +40 m² +51% | 2025 |
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| 10, Glenfield Terrace207 m away | 74 m² | 114 m² | +40 m² +54% | 2025 |
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| 15, Cantley Road651 m away | 90 m² | 130 m² | +40 m² +44% | 2025 |
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| 136, Oaklands Road244 m away | 58 m² | 98 m² | +40 m² +69% | 2024 |
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| 162, Coldershaw Road161 m away | 179 m² | 219 m² | +40 m² +22% | 2021 |
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| 21, Endsleigh Road633 m away | 87 m² | 127 m² | +40 m² +46% | 2021 |
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| 7, Netheravon Road788 m away | 86 m² | 126 m² | +40 m² +47% | 2020 |
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| 22, Dudley Gardens543 m away | 97 m² | 137 m² | +40 m² +41% | 2019 |
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| 66, Mattock Lane572 m away | 48 m² | 88 m² | +40 m² +83% | 2019 |
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| 4a, Rathgar Avenue514 m away | 65 m² | 105 m² | +40 m² +62% | 2013 |
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| 14, Bonchurch Road223 m away | 74 m² | 113 m² | +39 m² +53% | 2026 |
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| 40, Claygate Road516 m away | 109 m² | 148 m² | +39 m² +36% | 2026 |
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| 50, Elthorne Park Road547 m away | 83 m² | 122 m² | +39 m² +47% | 2026 |
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| 18, Salisbury Road398 m away | 81 m² | 120 m² | +39 m² +48% | 2023 |
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| 96, Studley Grange Road929 m away | 81 m² | 120 m² | +39 m² +48% | 2018 |
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| 56, Northfield Road311 m away | 85 m² | 124 m² | +39 m² +46% | 2011 |
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| 51, Salisbury Road392 m away | 79 m² | 117 m² | +38 m² +48% | 2026 |
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| 64, Drayton Gardens922 m away | 108 m² | 146 m² | +38 m² +35% | 2025 |
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| 39, Oaklands Road587 m away | 72 m² | 110 m² | +38 m² +53% | 2024 |
|---|
| Flat 28, Luminosity Court, 49, Drayton Green Road793 m away | 32 m² | 70 m² | +38 m² +119% | 2024 |
|---|
| 8, Montague Road707 m away | 72 m² | 110 m² | +38 m² +53% | 2023 |
|---|
| 28, Drayton Road944 m away | 125 m² | 163 m² | +38 m² +30% | 2023 |
|---|
| 4, Balfour Avenue961 m away | 111 m² | 149 m² | +38 m² +34% | 2023 |
|---|
| 59, Westfield Road158 m away | 87 m² | 125 m² | +38 m² +44% | 2022 |
|---|
| 48, Altenburg Avenue692 m away | 69 m² | 107 m² | +38 m² +55% | 2019 |
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| 85, Camborne Avenue636 m away | 100 m² | 138 m² | +38 m² +38% | 2017 |
|---|
| 27, Loveday Road471 m away | 164 m² | 202 m² | +38 m² +23% | 2016 |
|---|
| 22, Altenburg Avenue692 m away | 71 m² | 109 m² | +38 m² +54% | 2013 |
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| 6b, Broomfield Place640 m away | 70 m² | 108 m² | +38 m² +54% | 2009 |
|---|
| 44, Denmark Road942 m away | 133 m² | 170 m² | +37 m² +28% | 2023 |
|---|
| 24, Belsize Avenue939 m away | 78 m² | 115 m² | +37 m² +47% | 2022 |
|---|
| 59, Midhurst Road732 m away | 115 m² | 152 m² | +37 m² +32% | 2020 |
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| 51, Alexandria Road663 m away | 99 m² | 136 m² | +37 m² +37% | 2019 |
|---|
| 18, Chalfont Way929 m away | 106 m² | 143 m² | +37 m² +35% | 2018 |
|---|
| 47, Glenfield Road436 m away | 84 m² | 121 m² | +37 m² +44% | 2017 |
|---|
| 14, Netheravon Road788 m away | 86 m² | 123 m² | +37 m² +43% | 2016 |
|---|
| 5, Edinburgh Road656 m away | 79 m² | 116 m² | +37 m² +47% | 2015 |
|---|
| 12, Coldershaw Road264 m away | 94 m² | 131 m² | +37 m² +39% | 2014 |
|---|
| 101, Midhurst Road376 m away | 56 m² | 93 m² | +37 m² +66% | 2010 |
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| 17, Cantley Road651 m away | 88 m² | 124 m² | +36 m² +41% | 2026 |
|---|
| 22, Cranmer Avenue838 m away | 68 m² | 104 m² | +36 m² +53% | 2026 |
|---|
| 43, Balfour Road346 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 61, Salisbury Road392 m away | 76 m² | 112 m² | +36 m² +47% | 2025 |
|---|
| 20, Graham Avenue572 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
|---|
| 13, Endsleigh Road633 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
|---|
| 11, Seaford Road318 m away | 70 m² | 106 m² | +36 m² +51% | 2024 |
|---|
| 90, Elthorne Park Road420 m away | 110 m² | 146 m² | +36 m² +33% | 2024 |
|---|
| 55, Glenfield Road436 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 23, Cranmer Avenue838 m away | 81 m² | 117 m² | +36 m² +44% | 2024 |
|---|
| 31, Osterley Park View Road957 m away | 85 m² | 121 m² | +36 m² +42% | 2024 |
|---|
| 21, Green Avenue803 m away | 74 m² | 110 m² | +36 m² +49% | 2021 |
|---|
| 46, Mayfield Avenue457 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
|---|
| 7, Cambridge Road668 m away | 90 m² | 126 m² | +36 m² +40% | 2020 |
|---|
| 34, Seaford Road260 m away | 84 m² | 120 m² | +36 m² +43% | 2019 |
|---|
| 12, Glenfield Terrace207 m away | 71 m² | 107 m² | +36 m² +51% | 2018 |
|---|
| 34, Deans Road641 m away | 81 m² | 117 m² | +36 m² +44% | 2017 |
|---|
| 23, Chalfont Way929 m away | 96 m² | 132 m² | +36 m² +38% | 2014 |
|---|
| 30, Raymond Avenue709 m away | 95 m² | 131 m² | +36 m² +38% | 2012 |
|---|
| 106, St Kilda Road67 m away | 113 m² | 148 m² | +35 m² +31% | 2024 |
|---|
| 10, Altenburg Avenue692 m away | 81 m² | 116 m² | +35 m² +43% | 2024 |
|---|
| 45, Alexandria Road663 m away | 110 m² | 145 m² | +35 m² +32% | 2023 |
|---|
| 29, Adelaide Road34 m away | 68 m² | 103 m² | +35 m² +51% | 2022 |
|---|
| 87, Elthorne Park Road368 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 62, Balfour Road370 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 24, Lancaster Gardens501 m away | 113 m² | 148 m² | +35 m² +31% | 2021 |
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