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 W7 2AL
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 Road444 m away | 118 m² | 240 m² | +122 m² +103% | 2021 |
| 244, Windmill Road845 m away | 102 m² | 210 m² | +108 m² +106% | 2021 |
| 90, Southdown Avenue368 m away | 113 m² | 215 m² | +102 m² +90% | 2021 |
| 239, Boston Road748 m away | 114 m² | 211 m² | +97 m² +85% | 2023 |
| 49, Burnham Way385 m away | 99 m² | 191 m² | +92 m² +93% | 2023 |
| 21, Erlesmere Gardens635 m away | 73 m² | 159 m² | +86 m² +118% | 2020 |
| 2, Cawdor Crescent244 m away | 150 m² | 230 m² | +80 m² +53% | 2026 |
| 91, Manton Avenue912 m away | 90 m² | 168 m² | +78 m² +87% | 2022 |
| 142, Boston Manor Road498 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.
| 119 m² |
| 196 m² |
| +77 m² +65% |
| 2017 |
| 159, Clitherow Avenue225 m away | 111 m² | 185 m² | +74 m² +67% | 2021 |
|---|
| 47, Woodstock Avenue605 m away | 108 m² | 181 m² | +73 m² +68% | 2025 |
|---|
| 31, Mayfield Avenue963 m away | 87 m² | 156 m² | +69 m² +79% | 2022 |
|---|
| 65, Seward Road957 m away | 108 m² | 175 m² | +67 m² +62% | 2024 |
|---|
| 136, Midhurst Road782 m away | 96 m² | 161 m² | +65 m² +68% | 2022 |
|---|
| 8, Boston Vale67 m away | 102 m² | 166 m² | +64 m² +63% | 2025 |
|---|
| 11, Wyndham Road705 m away | 87 m² | 151 m² | +64 m² +74% | 2009 |
|---|
| 76, Cumberland Road968 m away | 99 m² | 160 m² | +61 m² +62% | 2020 |
|---|
| 13, The Ride813 m away | 70 m² | 130 m² | +60 m² +86% | 2022 |
|---|
| 8, Cawdor Crescent244 m away | 114 m² | 173 m² | +59 m² +52% | 2017 |
|---|
| 24, Manton Avenue942 m away | 89 m² | 147 m² | +58 m² +65% | 2026 |
|---|
| 11, Chalfont Way403 m away | 74 m² | 132 m² | +58 m² +78% | 2024 |
|---|
| 1, Cardiff Road412 m away | 91 m² | 149 m² | +58 m² +64% | 2022 |
|---|
| 54, Burnham Way410 m away | 86 m² | 142 m² | +56 m² +65% | 2012 |
|---|
| 7, Walmer Gardens746 m away | 164 m² | 219 m² | +55 m² +34% | 2019 |
|---|
| 49, Swyncombe Avenue667 m away | 98 m² | 150 m² | +52 m² +53% | 2023 |
|---|
| 81, Leighton Road942 m away | 126 m² | 178 m² | +52 m² +41% | 2023 |
|---|
| 10, Wyndham Road705 m away | 92 m² | 144 m² | +52 m² +57% | 2015 |
|---|
| 45, Wyndham Road705 m away | 101 m² | 152 m² | +51 m² +50% | 2025 |
|---|
| 103, Leighton Road942 m away | 93 m² | 144 m² | +51 m² +55% | 2025 |
|---|
| 45, Southdown Avenue139 m away | 140 m² | 191 m² | +51 m² +36% | 2022 |
|---|
| 91, Southdown Avenue378 m away | 128 m² | 179 m² | +51 m² +40% | 2020 |
|---|
| 23, Swyncombe Avenue667 m away | 104 m² | 155 m² | +51 m² +49% | 2020 |
|---|
| 65, Burnham Way385 m away | 89 m² | 140 m² | +51 m² +57% | 2019 |
|---|
| 149, Boston Manor Road676 m away | 86 m² | 136 m² | +50 m² +58% | 2019 |
|---|
| 4, Royal Gardens348 m away | 153 m² | 203 m² | +50 m² +33% | 2016 |
|---|
| 6, Newland Gardens838 m away | 88 m² | 135 m² | +47 m² +53% | 2024 |
|---|
| 18, Burnham Way560 m away | 86 m² | 133 m² | +47 m² +55% | 2023 |
|---|
| 36, Burnham Way410 m away | 89 m² | 136 m² | +47 m² +53% | 2012 |
|---|
| 54, Manton Avenue942 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 29, Blondin Avenue816 m away | 103 m² | 148 m² | +45 m² +44% | 2025 |
|---|
| 40, Blondin Avenue805 m away | 111 m² | 156 m² | +45 m² +41% | 2019 |
|---|
| 13, Lambourn Close970 m away | 32 m² | 76 m² | +44 m² +138% | 2025 |
|---|
| 73, Clitherow Avenue447 m away | 104 m² | 148 m² | +44 m² +42% | 2023 |
|---|
| 41, Claygate Road750 m away | 98 m² | 142 m² | +44 m² +45% | 2015 |
|---|
| 89, Northcroft Road769 m away | 65 m² | 108 m² | +43 m² +66% | 2019 |
|---|
| 102, Cranmer Avenue640 m away | 47 m² | 90 m² | +43 m² +91% | 2018 |
|---|
| 51, Burnham Way385 m away | 91 m² | 134 m² | +43 m² +47% | 2014 |
|---|
| 9, Jersey Road753 m away | 96 m² | 137 m² | +41 m² +43% | 2026 |
|---|
| 13, Chamberlain Road870 m away | 70 m² | 111 m² | +41 m² +59% | 2025 |
|---|
| 35, Haslemere Avenue449 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
|---|
| 126, Elthorne Avenue878 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
|---|
| 21, Mayfield Avenue963 m away | 89 m² | 130 m² | +41 m² +46% | 2017 |
|---|
| 136, Boston Manor Road498 m away | 103 m² | 144 m² | +41 m² +40% | 2016 |
|---|
| 15, Cantley Road567 m away | 90 m² | 130 m² | +40 m² +44% | 2025 |
|---|
| 183, Windmill Road960 m away | 91 m² | 131 m² | +40 m² +44% | 2013 |
|---|
| 40, Claygate Road750 m away | 109 m² | 148 m² | +39 m² +36% | 2026 |
|---|
| 50, Elthorne Park Road771 m away | 83 m² | 122 m² | +39 m² +47% | 2026 |
|---|
| 18, Salisbury Road977 m away | 81 m² | 120 m² | +39 m² +48% | 2023 |
|---|
| 239, Boston Manor Road464 m away | 111 m² | 150 m² | +39 m² +35% | 2019 |
|---|
| 125, Boston Manor Road848 m away | 77 m² | 116 m² | +39 m² +51% | 2014 |
|---|
| 199, Boston Manor Road676 m away | 115 m² | 153 m² | +38 m² +33% | 2026 |
|---|
| 51, Salisbury Road845 m away | 79 m² | 117 m² | +38 m² +48% | 2026 |
|---|
| 2, Clitherow Road890 m away | 102 m² | 140 m² | +38 m² +37% | 2025 |
|---|
| 48, Altenburg Avenue888 m away | 69 m² | 107 m² | +38 m² +55% | 2019 |
|---|
| 22, Altenburg Avenue888 m away | 71 m² | 109 m² | +38 m² +54% | 2013 |
|---|
| 24, Derwent Road946 m away | 109 m² | 146 m² | +37 m² +34% | 2025 |
|---|
| 24, Belsize Avenue814 m away | 78 m² | 115 m² | +37 m² +47% | 2022 |
|---|
| 59, Midhurst Road574 m away | 115 m² | 152 m² | +37 m² +32% | 2020 |
|---|
| 18, Chalfont Way403 m away | 106 m² | 143 m² | +37 m² +35% | 2018 |
|---|
| 101, Midhurst Road801 m away | 56 m² | 93 m² | +37 m² +66% | 2010 |
|---|
| 17, Cantley Road567 m away | 88 m² | 124 m² | +36 m² +41% | 2026 |
|---|
| 22, Cranmer Avenue849 m away | 68 m² | 104 m² | +36 m² +53% | 2026 |
|---|
| 61, Salisbury Road845 m away | 76 m² | 112 m² | +36 m² +47% | 2025 |
|---|
| 20, Graham Avenue922 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
|---|
| 90, Elthorne Park Road806 m away | 110 m² | 146 m² | +36 m² +33% | 2024 |
|---|
| 23, Cranmer Avenue849 m away | 81 m² | 117 m² | +36 m² +44% | 2024 |
|---|
| 21, Green Avenue858 m away | 74 m² | 110 m² | +36 m² +49% | 2021 |
|---|
| 46, Mayfield Avenue950 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
|---|
| 23, Chalfont Way403 m away | 96 m² | 132 m² | +36 m² +38% | 2014 |
|---|
| 30, Raymond Avenue458 m away | 95 m² | 131 m² | +36 m² +38% | 2012 |
|---|
| 10, Altenburg Avenue888 m away | 81 m² | 116 m² | +35 m² +43% | 2024 |
|---|
| 62, Balfour Road851 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 87, Elthorne Park Road853 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 81, Boston Gardens242 m away | 114 m² | 149 m² | +35 m² +31% | 2020 |
|---|
| 39, Green Avenue858 m away | 77 m² | 112 m² | +35 m² +45% | 2017 |
|---|
| 75, Hessel Road958 m away | 76 m² | 111 m² | +35 m² +46% | 2014 |
|---|
| 5, Chepstow Road671 m away | 92 m² | 126 m² | +34 m² +37% | 2026 |
|---|
| 19, Whitehall Road750 m away | 98 m² | 132 m² | +34 m² +35% | 2025 |
|---|
| 28, Woodstock Avenue584 m away | 121 m² | 155 m² | +34 m² +28% | 2024 |
|---|
| 1, Belsize Avenue814 m away | 69 m² | 103 m² | +34 m² +49% | 2024 |
|---|
| 5, Thurlow Road793 m away | 40 m² | 74 m² | +34 m² +85% | 2022 |
|---|
| 55, Northcroft Road769 m away | 77 m² | 111 m² | +34 m² +44% | 2021 |
|---|
| 54, Graham Avenue922 m away | 88 m² | 122 m² | +34 m² +39% | 2020 |
|---|
| 47, Erlesmere Gardens635 m away | 106 m² | 140 m² | +34 m² +32% | 2017 |
|---|
| 8, Blondin Avenue805 m away | 111 m² | 145 m² | +34 m² +31% | 2013 |
|---|
| 73, Seward Road890 m away | 113 m² | 147 m² | +34 m² +30% | 2012 |
|---|
| 52, Salisbury Road977 m away | 86 m² | 119 m² | +33 m² +38% | 2026 |
|---|
| 57, Northcroft Road769 m away | 73 m² | 106 m² | +33 m² +45% | 2025 |
|---|
| 10, Elthorne Avenue831 m away | 102 m² | 135 m² | +33 m² +32% | 2025 |
|---|
| 245, Windmill Road854 m away | 92 m² | 125 m² | +33 m² +36% | 2024 |
|---|
| 12, Wellmeadow Road0 m away | 146 m² | 179 m² | +33 m² +23% | 2022 |
|---|
| 81, Balfour Road851 m away | 72 m² | 105 m² | +33 m² +46% | 2022 |
|---|
| 62, Elthorne Park Road806 m away | 47 m² | 80 m² | +33 m² +70% | 2019 |
|---|
| 51, Mayfield Avenue766 m away | 100 m² | 132 m² | +32 m² +32% | 2026 |
|---|
| 10, Burnham Way567 m away | 87 m² | 119 m² | +32 m² +37% | 2025 |
|---|
| Flat 6, Laurel House, Little Ealing Lane959 m away | 68 m² | 100 m² | +32 m² +47% | 2024 |
|---|
| 54, Ridley Avenue638 m away | 63 m² | 95 m² | +32 m² +51% | 2023 |
|---|
| 142a, Northfield Avenue946 m away | 58 m² | 90 m² | +32 m² +55% | 2021 |
|---|
| 105a, Leighton Road942 m away | 46 m² | 78 m² | +32 m² +70% | 2020 |
|---|
| 32, Salisbury Road977 m away | 86 m² | 118 m² | +32 m² +37% | 2020 |
|---|
| 64, Ridley Avenue638 m away | 63 m² | 95 m² | +32 m² +51% | 2019 |
|---|
| 12, Elthorne Avenue831 m away | 105 m² | 137 m² | +32 m² +30% | 2019 |
|---|
| 46, Cranmer Avenue849 m away | 73 m² | 105 m² | +32 m² +44% | 2019 |
|---|
| 85, Northcroft Road769 m away | 75 m² | 107 m² | +32 m² +43% | 2013 |
|---|
| 38, Altenburg Avenue888 m away | 81 m² | 112 m² | +31 m² +38% | 2023 |
|---|
| 135, Boston Manor Road848 m away | 57 m² | 88 m² | +31 m² +54% | 2020 |
|---|
| 77, Northcroft Road769 m away | 73 m² | 104 m² | +31 m² +42% | 2016 |
|---|
| 69, Northcroft Road769 m away | 74 m² | 105 m² | +31 m² +42% | 2015 |
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| 7, Green Avenue858 m away | 81 m² | 112 m² | +31 m² +38% | 2011 |
|---|
| 3, Littlewood Close662 m away | 45 m² | 76 m² | +31 m² +69% | 2010 |
|---|
| Flat 10, Manor House, Manor Vale963 m away | 42 m² | 72 m² | +30 m² +71% | 2026 |
|---|
| 6, Cranmer Avenue849 m away | 77 m² | 107 m² | +30 m² +39% | 2025 |
|---|
| 33, Green Avenue858 m away | 80 m² | 110 m² | +30 m² +38% | 2025 |
|---|
| 71, Hessel Road958 m away | 76 m² | 106 m² | +30 m² +39% | 2025 |
|---|
| 31, Jersey Road753 m away | 88 m² | 118 m² | +30 m² +34% | 2024 |
|---|
| 76, Balfour Road851 m away | 76 m² | 106 m² | +30 m² +39% | 2024 |
|---|
| 85, Devonshire Road990 m away | 117 m² | 147 m² | +30 m² +26% | 2024 |
|---|
| 102, Mayfield Avenue788 m away | 142 m² | 172 m² | +30 m² +21% | 2023 |
|---|
| 82, Leighton Road996 m away | 118 m² | 148 m² | +30 m² +25% | 2022 |
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| 140a, Northfield Avenue946 m away | 59 m² | 89 m² | +30 m² +51% | 2021 |
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| 243, Boston Road444 m away | 131 m² | 161 m² | +30 m² +23% | 2020 |
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| 9, Clitherow Avenue695 m away | 108 m² | 138 m² | +30 m² +28% | 2020 |
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| 57, Manton Avenue912 m away | 98 m² | 128 m² | +30 m² +31% | 2019 |
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| 83, Salisbury Road845 m away | 86 m² | 116 m² | +30 m² +35% | 2018 |
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| 75, Salisbury Road845 m away | 82 m² | 111 m² | +29 m² +35% | 2024 |
|---|
| 21, Clitherow Road884 m away | 122 m² | 151 m² | +29 m² +24% | 2023 |
|---|
| 257, Boston Manor Road464 m away | 152 m² | 181 m² | +29 m² +19% | 2021 |
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| 9, Altenburg Avenue888 m away | 80 m² | 109 m² | +29 m² +36% | 2019 |
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| 5a, Cumberland Road972 m away | 51 m² | 80 m² | +29 m² +57% | 2017 |
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| 6, Fulmer Way500 m away | 107 m² | 136 m² | +29 m² +27% | 2016 |
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| 57, Boston Gardens242 m away | 151 m² | 179 m² | +28 m² +19% | 2026 |
|---|
| 56, Altenburg Avenue888 m away | 82 m² | 110 m² | +28 m² +34% | 2023 |
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| 48, The Ride813 m away | 130 m² | 158 m² | +28 m² +22% | 2022 |
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| 13a, Midhurst Road574 m away | 48 m² | 76 m² | +28 m² +58% | 2020 |
|---|
| 8, Northcroft Road836 m away | 100 m² | 128 m² | +28 m² +28% | 2020 |
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| 39, Cranmer Avenue849 m away | 80 m² | 108 m² | +28 m² +35% | 2020 |
|---|
| 184, Boston Manor Road319 m away | 112 m² | 140 m² | +28 m² +25% | 2019 |
|---|
| 41, Haslemere Avenue449 m away | 112 m² | 140 m² | +28 m² +25% | 2018 |
|---|
| 16, Northcroft Road836 m away | 75 m² | 103 m² | +28 m² +37% | 2017 |
|---|
| 95, Balfour Road851 m away | 83 m² | 110 m² | +27 m² +33% | 2025 |
|---|
| 7, Boston Gardens444 m away | 150 m² | 176 m² | +26 m² +17% | 2022 |
|---|
| 17, Woodstock Avenue605 m away | 112 m² | 138 m² | +26 m² +23% | 2021 |
|---|
| 64, Salisbury Road845 m away | 84 m² | 110 m² | +26 m² +31% | 2021 |
|---|
| 18, Whitehall Road750 m away | 105 m² | 131 m² | +26 m² +25% | 2020 |
|---|
| 10, Cawdor Crescent244 m away | 121 m² | 147 m² | +26 m² +21% | 2016 |
|---|
| 63, Swyncombe Avenue667 m away | 135 m² | 160 m² | +25 m² +19% | 2026 |
|---|
| 183, Boston Manor Road676 m away | 118 m² | 143 m² | +25 m² +21% | 2025 |
|---|
| 22, Green Avenue858 m away | 91 m² | 116 m² | +25 m² +27% | 2023 |
|---|
| 3, Lambourn Close970 m away | 90 m² | 115 m² | +25 m² +28% | 2023 |
|---|
| 57, Ridley Avenue638 m away | 60 m² | 85 m² | +25 m² +42% | 2021 |
|---|
| 8a, Cumberland Road932 m away | 55 m² | 80 m² | +25 m² +45% | 2018 |
|---|
| 330, Windmill Road824 m away | 127 m² | 151 m² | +24 m² +19% | 2026 |
|---|
| 86, Northcroft Road775 m away | 80 m² | 104 m² | +24 m² +30% | 2023 |
|---|
| 31, Convent Gardens935 m away | 90 m² | 114 m² | +24 m² +27% | 2018 |
|---|
| 10, Newland Gardens838 m away | 116 m² | 140 m² | +24 m² +21% | 2014 |
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| 6, Bernard Avenue909 m away | 108 m² | 131 m² | +23 m² +21% | 2023 |
|---|
| 57, Salisbury Road845 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
|---|
| 87, Elthorne Avenue900 m away | 46 m² | 69 m² | +23 m² +50% | 2014 |
|---|
| 62, Cranmer Avenue640 m away | 67 m² | 89 m² | +22 m² +33% | 2026 |
|---|
| 300, Windmill Road845 m away | 58 m² | 80 m² | +22 m² +38% | 2021 |
|---|
| 2a, Cumberland Road932 m away | 56 m² | 78 m² | +22 m² +39% | 2020 |
|---|
| 78a, Leighton Road996 m away | 56 m² | 78 m² | +22 m² +39% | 2015 |
|---|
| 50, Mayfield Avenue950 m away | 17 m² | 39 m² | +22 m² +129% | 2009 |
|---|
| 54, Elthorne Avenue831 m away | 55 m² | 76 m² | +21 m² +38% | 2025 |
|---|
| 51, Dock Meadow Reach960 m away | 77 m² | 98 m² | +21 m² +27% | 2024 |
|---|
| 19, Northcroft Road831 m away | 79 m² | 100 m² | +21 m² +27% | 2023 |
|---|
| 60a, Salisbury Road845 m away | 49 m² | 70 m² | +21 m² +43% | 2019 |
|---|
| 47, Burnham Way385 m away | 129 m² | 150 m² | +21 m² +16% | 2016 |
|---|
| 185, Northfield Avenue928 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
|---|
| 16, Salisbury Road977 m away | 76 m² | 97 m² | +21 m² +28% | 2015 |
|---|
| 76b, Mayfield Avenue788 m away | 54 m² | 75 m² | +21 m² +39% | 2012 |
|---|
| 133, Midhurst Road801 m away | 110 m² | 130 m² | +20 m² +18% | 2025 |
|---|
| 42, Graham Avenue922 m away | 76 m² | 96 m² | +20 m² +26% | 2025 |
|---|
| 50, Ridley Avenue638 m away | 66 m² | 86 m² | +20 m² +30% | 2024 |
|---|
| 43, Belsize Avenue814 m away | 79 m² | 99 m² | +20 m² +25% | 2023 |
|---|
| 35, Belsize Avenue814 m away | 83 m² | 103 m² | +20 m² +24% | 2023 |
|---|
| 19, Salisbury Road967 m away | 75 m² | 95 m² | +20 m² +27% | 2021 |
|---|
| 14, Hollies Road899 m away | 92 m² | 112 m² | +20 m² +22% | 2018 |
|---|
| 22, Manton Avenue942 m away | 113 m² | 133 m² | +20 m² +18% | 2018 |
|---|
| 18, Clitherow Avenue637 m away | 89 m² | 109 m² | +20 m² +22% | 2014 |
|---|
| 78, Hessel Road934 m away | 91 m² | 110 m² | +19 m² +21% | 2025 |
|---|
| 11, Northcroft Road831 m away | 44 m² | 63 m² | +19 m² +43% | 2022 |
|---|
| 7, Jersey Road753 m away | 45 m² | 64 m² | +19 m² +42% | 2021 |
|---|
| 59, Salisbury Road845 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
|---|
| 35, Ridley Avenue638 m away | 63 m² | 82 m² | +19 m² +30% | 2020 |
|---|
| 42, Salisbury Road977 m away | 83 m² | 102 m² | +19 m² +23% | 2014 |
|---|
| 177, Boston Road971 m away | 22 m² | 40 m² | +18 m² +82% | 2025 |
|---|
| 45, Midhurst Road574 m away | 59 m² | 77 m² | +18 m² +31% | 2020 |
|---|
| 76, Elthorne Park Road806 m away | 77 m² | 95 m² | +18 m² +23% | 2020 |
|---|
| 3, Hollies Road899 m away | 45 m² | 63 m² | +18 m² +40% | 2020 |
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