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 9DF
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 Road748 m away | 118 m² | 240 m² | +122 m² +103% | 2021 |
| 57, Waldemar Avenue830 m away | 123 m² | 231 m² | +108 m² +88% | 2024 |
| 90, Southdown Avenue861 m away | 113 m² | 215 m² | +102 m² +90% | 2021 |
| 239, Boston Road610 m away | 114 m² | 211 m² | +97 m² +85% | 2023 |
| 49, Burnham Way973 m away | 99 m² | 191 m² | +92 m² +93% | 2023 |
| 43, Elers Road784 m away | 148 m² | 239 m² | +91 m² +61% | 2019 |
| 9, St Kilda Road0 m away | 128 m² | 217 m² | +89 m² +70% | 2017 |
| 49, Culmington Road875 m away | 151 m² | 239 m² | +88 m² +58% | 2012 |
| 21, Erlesmere Gardens511 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 Road819 m away | 60 m² | 145 m² | +85 m² +142% | 2011 |
|---|
| 21, Elers Road784 m away | 183 m² | 262 m² | +79 m² +43% | 2026 |
|---|
| 91, Manton Avenue415 m away | 90 m² | 168 m² | +78 m² +87% | 2022 |
|---|
| 40, Manor Road819 m away | 52 m² | 128 m² | +76 m² +146% | 2026 |
|---|
| 159, Clitherow Avenue945 m away | 111 m² | 185 m² | +74 m² +67% | 2021 |
|---|
| 47, Woodstock Avenue542 m away | 108 m² | 181 m² | +73 m² +68% | 2025 |
|---|
| 311, Ashmead House, Tewkesbury Road490 m away | 50 m² | 123 m² | +73 m² +146% | 2024 |
|---|
| 31, Mayfield Avenue505 m away | 87 m² | 156 m² | +69 m² +79% | 2022 |
|---|
| 20, Coldershaw Road258 m away | 58 m² | 126 m² | +68 m² +117% | 2023 |
|---|
| 65, Seward Road234 m away | 108 m² | 175 m² | +67 m² +62% | 2024 |
|---|
| 42, St Kilda Road39 m away | 116 m² | 183 m² | +67 m² +58% | 2022 |
|---|
| 58, Church Road939 m away | 99 m² | 166 m² | +67 m² +68% | 2018 |
|---|
| 136, Midhurst Road371 m away | 96 m² | 161 m² | +65 m² +68% | 2022 |
|---|
| 11, Wyndham Road605 m away | 87 m² | 151 m² | +64 m² +74% | 2009 |
|---|
| 20, Alexandria Road685 m away | 90 m² | 153 m² | +63 m² +70% | 2022 |
|---|
| 3, Milford Road268 m away | 76 m² | 139 m² | +63 m² +83% | 2017 |
|---|
| 31, Rathgar Avenue541 m away | 130 m² | 193 m² | +63 m² +48% | 2017 |
|---|
| 46, Cherington Road866 m away | 142 m² | 204 m² | +62 m² +44% | 2023 |
|---|
| 31, Elers Road784 m away | 141 m² | 203 m² | +62 m² +44% | 2017 |
|---|
| 21a, Camborne Avenue655 m away | 113 m² | 174 m² | +61 m² +54% | 2023 |
|---|
| 30, Croft Gardens240 m away | 138 m² | 199 m² | +61 m² +44% | 2022 |
|---|
| 76, Cumberland Road439 m away | 99 m² | 160 m² | +61 m² +62% | 2020 |
|---|
| 43, Seward Road192 m away | 53 m² | 114 m² | +61 m² +115% | 2014 |
|---|
| 69, Leighton Road192 m away | 125 m² | 186 m² | +61 m² +49% | 2014 |
|---|
| 58, Lavington Road621 m away | 172 m² | 231 m² | +59 m² +34% | 2025 |
|---|
| 18, Studley Grange Road900 m away | 80 m² | 139 m² | +59 m² +74% | 2015 |
|---|
| 24, Manton Avenue419 m away | 89 m² | 147 m² | +58 m² +65% | 2026 |
|---|
| 52, Eccleston Road626 m away | 96 m² | 154 m² | +58 m² +60% | 2024 |
|---|
| 11, Chalfont Way916 m away | 74 m² | 132 m² | +58 m² +78% | 2024 |
|---|
| 98, Oaklands Road303 m away | 43 m² | 101 m² | +58 m² +135% | 2023 |
|---|
| 1, Cardiff Road751 m away | 91 m² | 149 m² | +58 m² +64% | 2022 |
|---|
| 34, Melbourne Avenue265 m away | 64 m² | 122 m² | +58 m² +91% | 2009 |
|---|
| 2, Hatfield Road326 m away | 78 m² | 135 m² | +57 m² +73% | 2021 |
|---|
| 22, Connaught Road654 m away | 94 m² | 151 m² | +57 m² +61% | 2020 |
|---|
| 82, Grosvenor Road320 m away | 122 m² | 179 m² | +57 m² +47% | 2017 |
|---|
| 20, Montague Avenue766 m away | 81 m² | 137 m² | +56 m² +69% | 2020 |
|---|
| 54, Burnham Way934 m away | 86 m² | 142 m² | +56 m² +65% | 2012 |
|---|
| 1, Lancaster Gardens525 m away | 131 m² | 186 m² | +55 m² +42% | 2026 |
|---|
| 7, Walmer Gardens399 m away | 164 m² | 219 m² | +55 m² +34% | 2019 |
|---|
| 7, St James Avenue245 m away | 155 m² | 209 m² | +54 m² +35% | 2022 |
|---|
| 57, Mattock Lane609 m away | 220 m² | 274 m² | +54 m² +25% | 2022 |
|---|
| 111, Loveday Road478 m away | 92 m² | 146 m² | +54 m² +59% | 2017 |
|---|
| 83, Loveday Road478 m away | 109 m² | 162 m² | +53 m² +49% | 2026 |
|---|
| 60, Drayton Gardens940 m away | 92 m² | 145 m² | +53 m² +58% | 2023 |
|---|
| 2, Seasons Close842 m away | 64 m² | 117 m² | +53 m² +83% | 2020 |
|---|
| 153, Boston Road666 m away | 48 m² | 101 m² | +53 m² +110% | 2014 |
|---|
| 5, Adelaide Road64 m away | 105 m² | 157 m² | +52 m² +50% | 2024 |
|---|
| 81, Leighton Road208 m away | 126 m² | 178 m² | +52 m² +41% | 2023 |
|---|
| 10, Wyndham Road605 m away | 92 m² | 144 m² | +52 m² +57% | 2015 |
|---|
| 32, Deans Road617 m away | 81 m² | 132 m² | +51 m² +63% | 2026 |
|---|
| 103, Leighton Road208 m away | 93 m² | 144 m² | +51 m² +55% | 2025 |
|---|
| 45, Wyndham Road605 m away | 101 m² | 152 m² | +51 m² +50% | 2025 |
|---|
| 61, Drayton Gardens908 m away | 92 m² | 143 m² | +51 m² +55% | 2025 |
|---|
| 31, Clairville Gardens959 m away | 80 m² | 131 m² | +51 m² +64% | 2021 |
|---|
| 91, Southdown Avenue882 m away | 128 m² | 179 m² | +51 m² +40% | 2020 |
|---|
| 65, Burnham Way973 m away | 89 m² | 140 m² | +51 m² +57% | 2019 |
|---|
| 31, Tawny Close460 m away | 64 m² | 115 m² | +51 m² +80% | 2014 |
|---|
| 22, St James Avenue264 m away | 141 m² | 191 m² | +50 m² +35% | 2025 |
|---|
| 25, Loveday Road500 m away | 152 m² | 202 m² | +50 m² +33% | 2022 |
|---|
| 4, Royal Gardens844 m away | 153 m² | 203 m² | +50 m² +33% | 2016 |
|---|
| 9, Montague Road661 m away | 40 m² | 90 m² | +50 m² +125% | 2012 |
|---|
| 74, Eccleston Road626 m away | 71 m² | 120 m² | +49 m² +69% | 2025 |
|---|
| 8, Studley Grange Road900 m away | 86 m² | 135 m² | +49 m² +57% | 2023 |
|---|
| 50, Drayton Gardens940 m away | 92 m² | 141 m² | +49 m² +53% | 2022 |
|---|
| 36, Drayton Avenue876 m away | 76 m² | 125 m² | +49 m² +64% | 2020 |
|---|
| 42, Adelaide Road30 m away | 101 m² | 150 m² | +49 m² +49% | 2017 |
|---|
| 47, Hessel Road272 m away | 86 m² | 134 m² | +48 m² +56% | 2026 |
|---|
| 150, Oaklands Road219 m away | 54 m² | 102 m² | +48 m² +89% | 2024 |
|---|
| 36, Adelaide Road30 m away | 106 m² | 154 m² | +48 m² +45% | 2023 |
|---|
| 52, Rosebank Road989 m away | 76 m² | 124 m² | +48 m² +63% | 2018 |
|---|
| 6, St Kilda Road39 m away | 113 m² | 161 m² | +48 m² +42% | 2010 |
|---|
| 10, Seward Road157 m away | 109 m² | 156 m² | +47 m² +43% | 2026 |
|---|
| 6, Newland Gardens310 m away | 88 m² | 135 m² | +47 m² +53% | 2024 |
|---|
| 18, Burnham Way939 m away | 86 m² | 133 m² | +47 m² +55% | 2023 |
|---|
| 42, Eccleston Road626 m away | 83 m² | 130 m² | +47 m² +57% | 2014 |
|---|
| 36, Burnham Way934 m away | 89 m² | 136 m² | +47 m² +53% | 2012 |
|---|
| 54, Manton Avenue419 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 48, Bedford Road658 m away | 98 m² | 144 m² | +46 m² +47% | 2024 |
|---|
| 25, Westfield Road291 m away | 90 m² | 136 m² | +46 m² +51% | 2021 |
|---|
| Saroja House, 34, Hastings Road959 m away | 155 m² | 201 m² | +46 m² +30% | 2016 |
|---|
| 2, Hastings Road996 m away | 98 m² | 143 m² | +45 m² +46% | 2026 |
|---|
| 15, Rathgar Avenue682 m away | 153 m² | 198 m² | +45 m² +29% | 2023 |
|---|
| 45, Northfield Avenue415 m away | 85 m² | 130 m² | +45 m² +53% | 2018 |
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| 9, Endsleigh Road641 m away | 90 m² | 135 m² | +45 m² +50% | 2011 |
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| 13, Lavington Road575 m away | 77 m² | 122 m² | +45 m² +58% | 2009 |
|---|
| 132, Oaklands Road219 m away | 119 m² | 163 m² | +44 m² +37% | 2026 |
|---|
| 13, Lambourn Close815 m away | 32 m² | 76 m² | +44 m² +138% | 2025 |
|---|
| 19, Osterley Park View Road929 m away | 90 m² | 134 m² | +44 m² +49% | 2025 |
|---|
| 101, Milton Road999 m away | 124 m² | 168 m² | +44 m² +35% | 2025 |
|---|
| 73, Clitherow Avenue700 m away | 104 m² | 148 m² | +44 m² +42% | 2023 |
|---|
| 94, Felix Road720 m away | 82 m² | 126 m² | +44 m² +54% | 2023 |
|---|
| 7, Glenfield Road455 m away | 94 m² | 138 m² | +44 m² +47% | 2020 |
|---|
| 3, Broomfield Place670 m away | 92 m² | 136 m² | +44 m² +48% | 2019 |
|---|
| 46, Hartington Road787 m away | 179 m² | 223 m² | +44 m² +25% | 2018 |
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| 4, Deans Road617 m away | 68 m² | 112 m² | +44 m² +65% | 2017 |
|---|
| 18, St Kilda Road39 m away | 110 m² | 154 m² | +44 m² +40% | 2016 |
|---|
| 75, Oaklands Road315 m away | 126 m² | 170 m² | +44 m² +35% | 2015 |
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| 41, Claygate Road509 m away | 98 m² | 142 m² | +44 m² +45% | 2015 |
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| 105, Grosvenor Road258 m away | 79 m² | 122 m² | +43 m² +54% | 2024 |
|---|
| 105a, Seaford Road313 m away | 69 m² | 112 m² | +43 m² +62% | 2024 |
|---|
| 50, Bedford Road658 m away | 101 m² | 144 m² | +43 m² +43% | 2024 |
|---|
| 44, Drayton Avenue876 m away | 83 m² | 126 m² | +43 m² +52% | 2022 |
|---|
| 28b, Coldershaw Road258 m away | 61 m² | 104 m² | +43 m² +70% | 2021 |
|---|
| 89, Northcroft Road673 m away | 65 m² | 108 m² | +43 m² +66% | 2019 |
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| 45, Leighton Road250 m away | 110 m² | 153 m² | +43 m² +39% | 2018 |
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| 102, Cranmer Avenue832 m away | 47 m² | 90 m² | +43 m² +91% | 2018 |
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| 51, Burnham Way973 m away | 91 m² | 134 m² | +43 m² +47% | 2014 |
|---|
| 89, St Kilda Road0 m away | 129 m² | 171 m² | +42 m² +33% | 2025 |
|---|
| 60, Seaford Road290 m away | 35 m² | 77 m² | +42 m² +120% | 2025 |
|---|
| 53, Glenfield Road455 m away | 86 m² | 128 m² | +42 m² +49% | 2025 |
|---|
| 9, Glenfield Road455 m away | 91 m² | 133 m² | +42 m² +46% | 2023 |
|---|
| 98, Coldershaw Road131 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
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| 8, Glenfield Road455 m away | 88 m² | 130 m² | +42 m² +48% | 2019 |
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| 59, Drayton Avenue852 m away | 83 m² | 125 m² | +42 m² +51% | 2017 |
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| 9, Jersey Road440 m away | 96 m² | 137 m² | +41 m² +43% | 2026 |
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| 13, Chamberlain Road294 m away | 70 m² | 111 m² | +41 m² +59% | 2025 |
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| 137, Loveday Road478 m away | 102 m² | 143 m² | +41 m² +40% | 2025 |
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| 14, Southfield Cottages558 m away | 49 m² | 90 m² | +41 m² +84% | 2022 |
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| 3, Seasons Close842 m away | 102 m² | 143 m² | +41 m² +40% | 2022 |
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| 62, Drayton Gardens940 m away | 109 m² | 150 m² | +41 m² +38% | 2022 |
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| 126, Elthorne Avenue338 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
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| 35, Haslemere Avenue728 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
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| 1, Allingham Close905 m away | 51 m² | 92 m² | +41 m² +80% | 2020 |
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| 34, Clairville Gardens959 m away | 79 m² | 120 m² | +41 m² +52% | 2020 |
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| 43, Osterley Park View Road929 m away | 98 m² | 139 m² | +41 m² +42% | 2019 |
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| 134a, Oaklands Road219 m away | 58 m² | 99 m² | +41 m² +71% | 2017 |
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| 21, Mayfield Avenue505 m away | 89 m² | 130 m² | +41 m² +46% | 2017 |
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| 66, Westfield Road201 m away | 78 m² | 118 m² | +40 m² +51% | 2025 |
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| 10, Glenfield Terrace236 m away | 74 m² | 114 m² | +40 m² +54% | 2025 |
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| 15, Cantley Road625 m away | 90 m² | 130 m² | +40 m² +44% | 2025 |
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| 136, Oaklands Road219 m away | 58 m² | 98 m² | +40 m² +69% | 2024 |
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| 162, Coldershaw Road131 m away | 179 m² | 219 m² | +40 m² +22% | 2021 |
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| 21, Endsleigh Road641 m away | 87 m² | 127 m² | +40 m² +46% | 2021 |
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| 7, Netheravon Road779 m away | 86 m² | 126 m² | +40 m² +47% | 2020 |
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| 22, Dudley Gardens566 m away | 97 m² | 137 m² | +40 m² +41% | 2019 |
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| 66, Mattock Lane602 m away | 48 m² | 88 m² | +40 m² +83% | 2019 |
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| 4a, Rathgar Avenue541 m away | 65 m² | 105 m² | +40 m² +62% | 2013 |
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| 14, Bonchurch Road253 m away | 74 m² | 113 m² | +39 m² +53% | 2026 |
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| 40, Claygate Road509 m away | 109 m² | 148 m² | +39 m² +36% | 2026 |
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| 50, Elthorne Park Road518 m away | 83 m² | 122 m² | +39 m² +47% | 2026 |
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| 18, Salisbury Road404 m away | 81 m² | 120 m² | +39 m² +48% | 2023 |
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| 96, Studley Grange Road900 m away | 81 m² | 120 m² | +39 m² +48% | 2018 |
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| 56, Northfield Road321 m away | 85 m² | 124 m² | +39 m² +46% | 2011 |
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| 51, Salisbury Road386 m away | 79 m² | 117 m² | +38 m² +48% | 2026 |
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| 64, Drayton Gardens940 m away | 108 m² | 146 m² | +38 m² +35% | 2025 |
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| 39, Oaklands Road558 m away | 72 m² | 110 m² | +38 m² +53% | 2024 |
|---|
| Flat 28, Luminosity Court, 49, Drayton Green Road818 m away | 32 m² | 70 m² | +38 m² +119% | 2024 |
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| 8, Montague Road683 m away | 72 m² | 110 m² | +38 m² +53% | 2023 |
|---|
| 4, Balfour Avenue948 m away | 111 m² | 149 m² | +38 m² +34% | 2023 |
|---|
| 28, Drayton Road966 m away | 125 m² | 163 m² | +38 m² +30% | 2023 |
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| 59, Westfield Road187 m away | 87 m² | 125 m² | +38 m² +44% | 2022 |
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| 48, Altenburg Avenue696 m away | 69 m² | 107 m² | +38 m² +55% | 2019 |
|---|
| 85, Camborne Avenue655 m away | 100 m² | 138 m² | +38 m² +38% | 2017 |
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| 27, Loveday Road500 m away | 164 m² | 202 m² | +38 m² +23% | 2016 |
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| 22, Altenburg Avenue696 m away | 71 m² | 109 m² | +38 m² +54% | 2013 |
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| 6b, Broomfield Place670 m away | 70 m² | 108 m² | +38 m² +54% | 2009 |
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| 44, Denmark Road971 m away | 133 m² | 170 m² | +37 m² +28% | 2023 |
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| 24, Belsize Avenue940 m away | 78 m² | 115 m² | +37 m² +47% | 2022 |
|---|
| 59, Midhurst Road723 m away | 115 m² | 152 m² | +37 m² +32% | 2020 |
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| 51, Alexandria Road685 m away | 99 m² | 136 m² | +37 m² +37% | 2019 |
|---|
| 18, Chalfont Way916 m away | 106 m² | 143 m² | +37 m² +35% | 2018 |
|---|
| 47, Glenfield Road455 m away | 84 m² | 121 m² | +37 m² +44% | 2017 |
|---|
| 14, Netheravon Road779 m away | 86 m² | 123 m² | +37 m² +43% | 2016 |
|---|
| 5, Edinburgh Road628 m away | 79 m² | 116 m² | +37 m² +47% | 2015 |
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| 12, Coldershaw Road258 m away | 94 m² | 131 m² | +37 m² +39% | 2014 |
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| 101, Midhurst Road361 m away | 56 m² | 93 m² | +37 m² +66% | 2010 |
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| 17, Cantley Road625 m away | 88 m² | 124 m² | +36 m² +41% | 2026 |
|---|
| 22, Cranmer Avenue840 m away | 68 m² | 104 m² | +36 m² +53% | 2026 |
|---|
| 43, Balfour Road353 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 61, Salisbury Road386 m away | 76 m² | 112 m² | +36 m² +47% | 2025 |
|---|
| 20, Graham Avenue577 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
|---|
| 13, Endsleigh Road641 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
|---|
| 11, Seaford Road346 m away | 70 m² | 106 m² | +36 m² +51% | 2024 |
|---|
| 90, Elthorne Park Road393 m away | 110 m² | 146 m² | +36 m² +33% | 2024 |
|---|
| 55, Glenfield Road455 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 23, Cranmer Avenue840 m away | 81 m² | 117 m² | +36 m² +44% | 2024 |
|---|
| 31, Osterley Park View Road929 m away | 85 m² | 121 m² | +36 m² +42% | 2024 |
|---|
| 21, Green Avenue806 m away | 74 m² | 110 m² | +36 m² +49% | 2021 |
|---|
| 46, Mayfield Avenue462 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
|---|
| 7, Cambridge Road640 m away | 90 m² | 126 m² | +36 m² +40% | 2020 |
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| 34, Seaford Road290 m away | 84 m² | 120 m² | +36 m² +43% | 2019 |
|---|
| 12, Glenfield Terrace236 m away | 71 m² | 107 m² | +36 m² +51% | 2018 |
|---|
| 34, Deans Road617 m away | 81 m² | 117 m² | +36 m² +44% | 2017 |
|---|
| 23, Chalfont Way916 m away | 96 m² | 132 m² | +36 m² +38% | 2014 |
|---|
| 30, Raymond Avenue690 m away | 95 m² | 131 m² | +36 m² +38% | 2012 |
|---|
| 106, St Kilda Road39 m away | 113 m² | 148 m² | +35 m² +31% | 2024 |
|---|
| 10, Altenburg Avenue696 m away | 81 m² | 116 m² | +35 m² +43% | 2024 |
|---|
| 45, Alexandria Road685 m away | 110 m² | 145 m² | +35 m² +32% | 2023 |
|---|
| 29, Adelaide Road64 m away | 68 m² | 103 m² | +35 m² +51% | 2022 |
|---|
| 87, Elthorne Park Road340 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 62, Balfour Road363 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
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