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 9XR
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 Road407 m away | 118 m² | 240 m² | +122 m² +103% | 2021 |
| 57, Waldemar Avenue957 m away | 123 m² | 231 m² | +108 m² +88% | 2024 |
| 244, Windmill Road901 m away | 102 m² | 210 m² | +108 m² +106% | 2021 |
| 90, Southdown Avenue495 m away | 113 m² | 215 m² | +102 m² +90% | 2021 |
| 239, Boston Road579 m away | 114 m² | 211 m² | +97 m² +85% | 2023 |
| 49, Burnham Way372 m away | 99 m² | 191 m² | +92 m² +93% | 2023 |
| 43, Elers Road704 m away | 148 m² | 239 m² | +91 m² +61% | 2019 |
| 9, St Kilda Road602 m away | 128 m² | 217 m² | +89 m² +70% | 2017 |
| 21, Erlesmere Gardens199 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 |
| 2, Cawdor Crescent433 m away | 150 m² | 230 m² | +80 m² +53% | 2026 |
|---|
| 21, Elers Road704 m away | 183 m² | 262 m² | +79 m² +43% | 2026 |
|---|
| 91, Manton Avenue584 m away | 90 m² | 168 m² | +78 m² +87% | 2022 |
|---|
| 142, Boston Manor Road820 m away | 119 m² | 196 m² | +77 m² +65% | 2017 |
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| 159, Clitherow Avenue395 m away | 111 m² | 185 m² | +74 m² +67% | 2021 |
|---|
| 47, Woodstock Avenue182 m away | 108 m² | 181 m² | +73 m² +68% | 2025 |
|---|
| 31, Mayfield Avenue354 m away | 87 m² | 156 m² | +69 m² +79% | 2022 |
|---|
| 20, Coldershaw Road837 m away | 58 m² | 126 m² | +68 m² +117% | 2023 |
|---|
| 20, Clovelly Road893 m away | 68 m² | 136 m² | +68 m² +100% | 2014 |
|---|
| 65, Seward Road498 m away | 108 m² | 175 m² | +67 m² +62% | 2024 |
|---|
| 42, St Kilda Road606 m away | 116 m² | 183 m² | +67 m² +58% | 2022 |
|---|
| 136, Midhurst Road246 m away | 96 m² | 161 m² | +65 m² +68% | 2022 |
|---|
| 8, Boston Vale674 m away | 102 m² | 166 m² | +64 m² +63% | 2025 |
|---|
| 11, Wyndham Road116 m away | 87 m² | 151 m² | +64 m² +74% | 2009 |
|---|
| 12, Hereford Road871 m away | 94 m² | 157 m² | +63 m² +67% | 2025 |
|---|
| 31, Rathgar Avenue766 m away | 130 m² | 193 m² | +63 m² +48% | 2017 |
|---|
| 3, Milford Road788 m away | 76 m² | 139 m² | +63 m² +83% | 2017 |
|---|
| 31, Elers Road704 m away | 141 m² | 203 m² | +62 m² +44% | 2017 |
|---|
| 40, Hereford Road871 m away | 91 m² | 153 m² | +62 m² +68% | 2017 |
|---|
| 21a, Camborne Avenue647 m away | 113 m² | 174 m² | +61 m² +54% | 2023 |
|---|
| 30, Croft Gardens620 m away | 138 m² | 199 m² | +61 m² +44% | 2022 |
|---|
| 76, Cumberland Road655 m away | 99 m² | 160 m² | +61 m² +62% | 2020 |
|---|
| 69, Leighton Road439 m away | 125 m² | 186 m² | +61 m² +49% | 2014 |
|---|
| 43, Seward Road605 m away | 53 m² | 114 m² | +61 m² +115% | 2014 |
|---|
| 58, Lavington Road811 m away | 172 m² | 231 m² | +59 m² +34% | 2025 |
|---|
| 8, Cawdor Crescent433 m away | 114 m² | 173 m² | +59 m² +52% | 2017 |
|---|
| 24, Manton Avenue617 m away | 89 m² | 147 m² | +58 m² +65% | 2026 |
|---|
| 11, Chalfont Way316 m away | 74 m² | 132 m² | +58 m² +78% | 2024 |
|---|
| 27, Gloucester Road938 m away | 119 m² | 177 m² | +58 m² +49% | 2024 |
|---|
| 98, Oaklands Road706 m away | 43 m² | 101 m² | +58 m² +135% | 2023 |
|---|
| 1, Cardiff Road357 m away | 91 m² | 149 m² | +58 m² +64% | 2022 |
|---|
| 34, Melbourne Avenue863 m away | 64 m² | 122 m² | +58 m² +91% | 2009 |
|---|
| 2, Hatfield Road904 m away | 78 m² | 135 m² | +57 m² +73% | 2021 |
|---|
| 82, Grosvenor Road870 m away | 122 m² | 179 m² | +57 m² +47% | 2017 |
|---|
| 54, Burnham Way333 m away | 86 m² | 142 m² | +56 m² +65% | 2012 |
|---|
| 1, Lancaster Gardens713 m away | 131 m² | 186 m² | +55 m² +42% | 2026 |
|---|
| 7, Walmer Gardens275 m away | 164 m² | 219 m² | +55 m² +34% | 2019 |
|---|
| 33, Wellington Road757 m away | 100 m² | 154 m² | +54 m² +54% | 2025 |
|---|
| 7, St James Avenue844 m away | 155 m² | 209 m² | +54 m² +35% | 2022 |
|---|
| 111, Loveday Road620 m away | 92 m² | 146 m² | +54 m² +59% | 2017 |
|---|
| 83, Loveday Road620 m away | 109 m² | 162 m² | +53 m² +49% | 2026 |
|---|
| 72, Overdale Road688 m away | 89 m² | 142 m² | +53 m² +60% | 2023 |
|---|
| 153, Boston Road860 m away | 48 m² | 101 m² | +53 m² +110% | 2014 |
|---|
| 5, Adelaide Road620 m away | 105 m² | 157 m² | +52 m² +50% | 2024 |
|---|
| 81, Leighton Road398 m away | 126 m² | 178 m² | +52 m² +41% | 2023 |
|---|
| 49, Swyncombe Avenue820 m away | 98 m² | 150 m² | +52 m² +53% | 2023 |
|---|
| 10, Wyndham Road116 m away | 92 m² | 144 m² | +52 m² +57% | 2015 |
|---|
| 32, Deans Road974 m away | 81 m² | 132 m² | +51 m² +63% | 2026 |
|---|
| 45, Wyndham Road116 m away | 101 m² | 152 m² | +51 m² +50% | 2025 |
|---|
| 103, Leighton Road398 m away | 93 m² | 144 m² | +51 m² +55% | 2025 |
|---|
| 10, York Road853 m away | 90 m² | 141 m² | +51 m² +57% | 2025 |
|---|
| 48, Ealing Park Gardens992 m away | 89 m² | 140 m² | +51 m² +57% | 2023 |
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| 45, Southdown Avenue577 m away | 140 m² | 191 m² | +51 m² +36% | 2022 |
|---|
| 91, Southdown Avenue531 m away | 128 m² | 179 m² | +51 m² +40% | 2020 |
|---|
| 23, Swyncombe Avenue820 m away | 104 m² | 155 m² | +51 m² +49% | 2020 |
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| 65, Burnham Way372 m away | 89 m² | 140 m² | +51 m² +57% | 2019 |
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| 28, Wellington Road783 m away | 94 m² | 145 m² | +51 m² +54% | 2018 |
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| 50, Ealing Park Gardens992 m away | 76 m² | 127 m² | +51 m² +67% | 2018 |
|---|
| 31, Tawny Close956 m away | 64 m² | 115 m² | +51 m² +80% | 2014 |
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| 22, St James Avenue865 m away | 141 m² | 191 m² | +50 m² +35% | 2025 |
|---|
| 25, Loveday Road836 m away | 152 m² | 202 m² | +50 m² +33% | 2022 |
|---|
| 149, Boston Manor Road951 m away | 86 m² | 136 m² | +50 m² +58% | 2019 |
|---|
| 112, Windermere Road805 m away | 132 m² | 182 m² | +50 m² +38% | 2017 |
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| 4, Royal Gardens449 m away | 153 m² | 203 m² | +50 m² +33% | 2016 |
|---|
| 42, Adelaide Road613 m away | 101 m² | 150 m² | +49 m² +49% | 2017 |
|---|
| 47, Hessel Road477 m away | 86 m² | 134 m² | +48 m² +56% | 2026 |
|---|
| 150, Oaklands Road694 m away | 54 m² | 102 m² | +48 m² +89% | 2024 |
|---|
| 1, Clovelly Road927 m away | 167 m² | 215 m² | +48 m² +29% | 2024 |
|---|
| 36, Adelaide Road613 m away | 106 m² | 154 m² | +48 m² +45% | 2023 |
|---|
| 80, Weymouth Avenue966 m away | 93 m² | 141 m² | +48 m² +52% | 2013 |
|---|
| 6, St Kilda Road606 m away | 113 m² | 161 m² | +48 m² +42% | 2010 |
|---|
| 10, Seward Road615 m away | 109 m² | 156 m² | +47 m² +43% | 2026 |
|---|
| 6, Newland Gardens358 m away | 88 m² | 135 m² | +47 m² +53% | 2024 |
|---|
| 18, Burnham Way355 m away | 86 m² | 133 m² | +47 m² +55% | 2023 |
|---|
| 36, Burnham Way333 m away | 89 m² | 136 m² | +47 m² +53% | 2012 |
|---|
| 54, Manton Avenue617 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 9, Julien Road806 m away | 96 m² | 142 m² | +46 m² +48% | 2024 |
|---|
| 25, Westfield Road868 m away | 90 m² | 136 m² | +46 m² +51% | 2021 |
|---|
| 29, Blondin Avenue648 m away | 103 m² | 148 m² | +45 m² +44% | 2025 |
|---|
| 72, Weymouth Avenue966 m away | 93 m² | 138 m² | +45 m² +48% | 2024 |
|---|
| 15, Rathgar Avenue887 m away | 153 m² | 198 m² | +45 m² +29% | 2023 |
|---|
| 36, Alacross Road981 m away | 120 m² | 165 m² | +45 m² +38% | 2021 |
|---|
| 40, Blondin Avenue618 m away | 111 m² | 156 m² | +45 m² +41% | 2019 |
|---|
| 45, Northfield Avenue504 m away | 85 m² | 130 m² | +45 m² +53% | 2018 |
|---|
| 13, Lavington Road880 m away | 77 m² | 122 m² | +45 m² +58% | 2009 |
|---|
| 132, Oaklands Road694 m away | 119 m² | 163 m² | +44 m² +37% | 2026 |
|---|
| 13, Lambourn Close897 m away | 32 m² | 76 m² | +44 m² +138% | 2025 |
|---|
| 73, Clitherow Avenue276 m away | 104 m² | 148 m² | +44 m² +42% | 2023 |
|---|
| 7, Glenfield Road562 m away | 94 m² | 138 m² | +44 m² +47% | 2020 |
|---|
| 31, Ealing Park Gardens963 m away | 96 m² | 140 m² | +44 m² +46% | 2019 |
|---|
| 4, Deans Road974 m away | 68 m² | 112 m² | +44 m² +65% | 2017 |
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| 18, St Kilda Road606 m away | 110 m² | 154 m² | +44 m² +40% | 2016 |
|---|
| 41, Claygate Road131 m away | 98 m² | 142 m² | +44 m² +45% | 2015 |
|---|
| 75, Oaklands Road735 m away | 126 m² | 170 m² | +44 m² +35% | 2015 |
|---|
| 48, Julien Road806 m away | 89 m² | 133 m² | +44 m² +49% | 2012 |
|---|
| 105a, Seaford Road704 m away | 69 m² | 112 m² | +43 m² +62% | 2024 |
|---|
| 105, Grosvenor Road816 m away | 79 m² | 122 m² | +43 m² +54% | 2024 |
|---|
| 28b, Coldershaw Road837 m away | 61 m² | 104 m² | +43 m² +70% | 2021 |
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| 52, Wellington Road783 m away | 98 m² | 141 m² | +43 m² +44% | 2020 |
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| 89, Northcroft Road231 m away | 65 m² | 108 m² | +43 m² +66% | 2019 |
|---|
| 102, Cranmer Avenue278 m away | 47 m² | 90 m² | +43 m² +91% | 2018 |
|---|
| 45, Leighton Road510 m away | 110 m² | 153 m² | +43 m² +39% | 2018 |
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| 16, York Road853 m away | 89 m² | 132 m² | +43 m² +48% | 2018 |
|---|
| 51, Burnham Way372 m away | 91 m² | 134 m² | +43 m² +47% | 2014 |
|---|
| 53, Glenfield Road562 m away | 86 m² | 128 m² | +42 m² +49% | 2025 |
|---|
| 89, St Kilda Road602 m away | 129 m² | 171 m² | +42 m² +33% | 2025 |
|---|
| 60, Seaford Road747 m away | 35 m² | 77 m² | +42 m² +120% | 2025 |
|---|
| 14, Clovelly Road893 m away | 137 m² | 179 m² | +42 m² +31% | 2024 |
|---|
| 9, Glenfield Road562 m away | 91 m² | 133 m² | +42 m² +46% | 2023 |
|---|
| Flat 1, 26, Wellington Road783 m away | 52 m² | 94 m² | +42 m² +81% | 2022 |
|---|
| 52, Overdale Road688 m away | 95 m² | 137 m² | +42 m² +44% | 2021 |
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| 98, Coldershaw Road554 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
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| 8, Glenfield Road562 m away | 88 m² | 130 m² | +42 m² +48% | 2019 |
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| 56, Overdale Road688 m away | 88 m² | 130 m² | +42 m² +48% | 2017 |
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| 9, Jersey Road402 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 Road620 m away | 102 m² | 143 m² | +41 m² +40% | 2025 |
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| 14, Southfield Cottages813 m away | 49 m² | 90 m² | +41 m² +84% | 2022 |
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| 35, Haslemere Avenue173 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
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| 126, Elthorne Avenue480 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
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| 21, Mayfield Avenue354 m away | 89 m² | 130 m² | +41 m² +46% | 2017 |
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| 134a, Oaklands Road694 m away | 58 m² | 99 m² | +41 m² +71% | 2017 |
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| 136, Boston Manor Road820 m away | 103 m² | 144 m² | +41 m² +40% | 2016 |
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| 15, Cantley Road379 m away | 90 m² | 130 m² | +40 m² +44% | 2025 |
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| 66, Westfield Road597 m away | 78 m² | 118 m² | +40 m² +51% | 2025 |
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| 10, Glenfield Terrace672 m away | 74 m² | 114 m² | +40 m² +54% | 2025 |
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| 136, Oaklands Road694 m away | 58 m² | 98 m² | +40 m² +69% | 2024 |
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| 11, Alacross Road959 m away | 123 m² | 163 m² | +40 m² +33% | 2023 |
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| 162, Coldershaw Road554 m away | 179 m² | 219 m² | +40 m² +22% | 2021 |
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| 22, Dudley Gardens688 m away | 97 m² | 137 m² | +40 m² +41% | 2019 |
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| 66, Mattock Lane990 m away | 48 m² | 88 m² | +40 m² +83% | 2019 |
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| 4a, Rathgar Avenue766 m away | 65 m² | 105 m² | +40 m² +62% | 2013 |
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| 40, Claygate Road131 m away | 109 m² | 148 m² | +39 m² +36% | 2026 |
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| 50, Elthorne Park Road517 m away | 83 m² | 122 m² | +39 m² +47% | 2026 |
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| 14, Bonchurch Road733 m away | 74 m² | 113 m² | +39 m² +53% | 2026 |
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| 20, Birkbeck Road956 m away | 88 m² | 127 m² | +39 m² +44% | 2026 |
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| 18, Salisbury Road358 m away | 81 m² | 120 m² | +39 m² +48% | 2023 |
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| 239, Boston Manor Road754 m away | 111 m² | 150 m² | +39 m² +35% | 2019 |
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| 49, Overdale Road669 m away | 79 m² | 118 m² | +39 m² +49% | 2018 |
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| 56, Northfield Road435 m away | 85 m² | 124 m² | +39 m² +46% | 2011 |
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| 51, Salisbury Road237 m away | 79 m² | 117 m² | +38 m² +48% | 2026 |
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| 199, Boston Manor Road951 m away | 115 m² | 153 m² | +38 m² +33% | 2026 |
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| 39, Oaklands Road776 m away | 72 m² | 110 m² | +38 m² +53% | 2024 |
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| 20, Julien Road806 m away | 72 m² | 110 m² | +38 m² +53% | 2023 |
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| 59, Westfield Road724 m away | 87 m² | 125 m² | +38 m² +44% | 2022 |
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| 48, Altenburg Avenue351 m away | 69 m² | 107 m² | +38 m² +55% | 2019 |
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| 85, Camborne Avenue647 m away | 100 m² | 138 m² | +38 m² +38% | 2017 |
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| 27, Loveday Road836 m away | 164 m² | 202 m² | +38 m² +23% | 2016 |
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| 22, Altenburg Avenue351 m away | 71 m² | 109 m² | +38 m² +54% | 2013 |
|---|
| 24, Derwent Road587 m away | 109 m² | 146 m² | +37 m² +34% | 2025 |
|---|
| 54, Clovelly Road893 m away | 177 m² | 214 m² | +37 m² +21% | 2023 |
|---|
| 24, Belsize Avenue461 m away | 78 m² | 115 m² | +37 m² +47% | 2022 |
|---|
| 37, Overdale Road669 m away | 79 m² | 116 m² | +37 m² +47% | 2021 |
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| 59, Midhurst Road130 m away | 115 m² | 152 m² | +37 m² +32% | 2020 |
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| 18, Chalfont Way316 m away | 106 m² | 143 m² | +37 m² +35% | 2018 |
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| 47, Glenfield Road562 m away | 84 m² | 121 m² | +37 m² +44% | 2017 |
|---|
| 5, Edinburgh Road869 m away | 79 m² | 116 m² | +37 m² +47% | 2015 |
|---|
| 12, Coldershaw Road837 m away | 94 m² | 131 m² | +37 m² +39% | 2014 |
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| 101, Midhurst Road245 m away | 56 m² | 93 m² | +37 m² +66% | 2010 |
|---|
| 17, Cantley Road379 m away | 88 m² | 124 m² | +36 m² +41% | 2026 |
|---|
| 22, Cranmer Avenue410 m away | 68 m² | 104 m² | +36 m² +53% | 2026 |
|---|
| 61, Salisbury Road237 m away | 76 m² | 112 m² | +36 m² +47% | 2025 |
|---|
| 20, Graham Avenue331 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
|---|
| 43, Balfour Road383 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 23, Cranmer Avenue410 m away | 81 m² | 117 m² | +36 m² +44% | 2024 |
|---|
| 90, Elthorne Park Road430 m away | 110 m² | 146 m² | +36 m² +33% | 2024 |
|---|
| 55, Glenfield Road562 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
|---|
| 11, Seaford Road874 m away | 70 m² | 106 m² | +36 m² +51% | 2024 |
|---|
| 21, Green Avenue393 m away | 74 m² | 110 m² | +36 m² +49% | 2021 |
|---|
| 46, Mayfield Avenue334 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
|---|
| 7, Cambridge Road904 m away | 90 m² | 126 m² | +36 m² +40% | 2020 |
|---|
| 34, Seaford Road747 m away | 84 m² | 120 m² | +36 m² +43% | 2019 |
|---|
| 12, Glenfield Terrace672 m away | 71 m² | 107 m² | +36 m² +51% | 2018 |
|---|
| 34, Deans Road974 m away | 81 m² | 117 m² | +36 m² +44% | 2017 |
|---|
| 23, Chalfont Way316 m away | 96 m² | 132 m² | +36 m² +38% | 2014 |
|---|
| 30, Raymond Avenue212 m away | 95 m² | 131 m² | +36 m² +38% | 2012 |
|---|
| 10, Altenburg Avenue351 m away | 81 m² | 116 m² | +35 m² +43% | 2024 |
|---|
| 106, St Kilda Road606 m away | 113 m² | 148 m² | +35 m² +31% | 2024 |
|---|
| 62, Balfour Road251 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 87, Elthorne Park Road444 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 29, Adelaide Road620 m away | 68 m² | 103 m² | +35 m² +51% | 2022 |
|---|
| 24, Lancaster Gardens713 m away | 113 m² | 148 m² | +35 m² +31% | 2021 |
|---|
| 25, Overdale Road669 m away | 85 m² | 120 m² | +35 m² +41% | 2020 |
|---|
| 81, Boston Gardens737 m away | 114 m² | 149 m² | +35 m² +31% | 2020 |
|---|
| 51, Hessel Road477 m away | 91 m² | 126 m² | +35 m² +38% | 2019 |
|---|
| 45, Kingsdown Avenue640 m away | 98 m² | 133 m² | +35 m² +36% | 2018 |
|---|
| 69, Bramley Road745 m away | 92 m² | 127 m² | +35 m² +38% | 2018 |
|---|
| 39, Green Avenue393 m away | 77 m² | 112 m² | +35 m² +45% | 2017 |
|---|
| 75, Hessel Road382 m away | 76 m² | 111 m² | +35 m² +46% | 2014 |
|---|
| 33, St James Avenue844 m away | 160 m² | 195 m² | +35 m² +22% | 2011 |
|---|
| 5, Chepstow Road456 m away | 92 m² | 126 m² | +34 m² +37% | 2026 |
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