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 UB1 2PL
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 |
|---|---|---|---|---|
| 10, Dane Road468 m away | 95 m² | 226 m² | +131 m² +138% | 2023 |
| 21, Masefield Avenue691 m away | 104 m² | 232 m² | +128 m² +123% | 2014 |
| 162, Ashford Avenue866 m away | 111 m² | 235 m² | +124 m² +112% | 2026 |
| 67, West Avenue372 m away | 73 m² | 181 m² | +108 m² +148% | 2021 |
| 54, Ranelagh Road983 m away | 99 m² | 206 m² | +107 m² +108% | 2024 |
| 22, Green Drive725 m away | 113 m² | 212 m² | +99 m² +88% | 2024 |
| 7, Greenford Avenue113 m away | 159 m² | 250 m² | +91 m² +57% | 2023 |
| 2a, Stanley Road684 m away | 183 m² | 265 m² | +82 m² +45% | 2020 |
| 80, Lady Margaret Road155 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.
| 92 m² |
| 173 m² |
| +81 m² +88% |
| 2026 |
| 54, Allendale Avenue890 m away | 67 m² | 148 m² | +81 m² +121% | 2024 |
|---|
| 14, Waxlow Crescent776 m away | 92 m² | 171 m² | +79 m² +86% | 2026 |
|---|
| 39, Ranelagh Road868 m away | 93 m² | 168 m² | +75 m² +81% | 2022 |
|---|
| 8, Lady Margaret Road84 m away | 65 m² | 139 m² | +74 m² +114% | 2011 |
|---|
| 21, Knowsley Avenue856 m away | 83 m² | 156 m² | +73 m² +88% | 2026 |
|---|
| 20, Beresford Road948 m away | 104 m² | 176 m² | +72 m² +69% | 2021 |
|---|
| 28, Alexandra Avenue227 m away | 80 m² | 151 m² | +71 m² +89% | 2026 |
|---|
| 229, Park Avenue955 m away | 116 m² | 183 m² | +67 m² +58% | 2026 |
|---|
| 140, Woodlands Road956 m away | 60 m² | 125 m² | +65 m² +108% | 2014 |
|---|
| 8, Stanley Road684 m away | 95 m² | 158 m² | +63 m² +66% | 2015 |
|---|
| 41, Beresford Road992 m away | 71 m² | 133 m² | +62 m² +87% | 2023 |
|---|
| 9, Knowsley Avenue856 m away | 90 m² | 148 m² | +58 m² +64% | 2024 |
|---|
| 25, Lancaster Road563 m away | 58 m² | 116 m² | +58 m² +100% | 2020 |
|---|
| 18, South Avenue166 m away | 65 m² | 120 m² | +55 m² +85% | 2026 |
|---|
| 5, Greenford Avenue113 m away | 91 m² | 146 m² | +55 m² +60% | 2015 |
|---|
| 146, West End Road826 m away | 88 m² | 142 m² | +54 m² +61% | 2023 |
|---|
| 191, Park Avenue747 m away | 72 m² | 126 m² | +54 m² +75% | 2017 |
|---|
| 9, East Avenue280 m away | 56 m² | 109 m² | +53 m² +95% | 2025 |
|---|
| 9, Hanson Gardens786 m away | 54 m² | 106 m² | +52 m² +96% | 2024 |
|---|
| 54, Lady Margaret Road52 m away | 146 m² | 198 m² | +52 m² +36% | 2019 |
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| 37b, Dormers Wells Lane812 m away | 131 m² | 183 m² | +52 m² +40% | 2013 |
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| 71, Greenford Avenue242 m away | 65 m² | 116 m² | +51 m² +78% | 2025 |
|---|
| 47, Burns Avenue463 m away | 37 m² | 88 m² | +51 m² +138% | 2025 |
|---|
| 23, Telford Road988 m away | 75 m² | 126 m² | +51 m² +68% | 2025 |
|---|
| 127, Beaconsfield Road846 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 46, Dane Road467 m away | 106 m² | 155 m² | +49 m² +46% | 2023 |
|---|
| 2, Denbigh Road694 m away | 80 m² | 129 m² | +49 m² +61% | 2023 |
|---|
| 228, Lady Margaret Road766 m away | 71 m² | 119 m² | +48 m² +68% | 2026 |
|---|
| 111, Lady Margaret Road255 m away | 100 m² | 147 m² | +47 m² +47% | 2025 |
|---|
| 161, North Road546 m away | 85 m² | 132 m² | +47 m² +55% | 2025 |
|---|
| 33, Allendale Avenue601 m away | 82 m² | 129 m² | +47 m² +57% | 2025 |
|---|
| 52, Townsend Road705 m away | 94 m² | 141 m² | +47 m² +50% | 2025 |
|---|
| 55, Beresford Road992 m away | 93 m² | 140 m² | +47 m² +51% | 2025 |
|---|
| 69, Townsend Road751 m away | 102 m² | 149 m² | +47 m² +46% | 2024 |
|---|
| 45, Carlyle Avenue355 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 3, Ruskin Road792 m away | 84 m² | 130 m² | +46 m² +55% | 2023 |
|---|
| 6, Evelyn Grove463 m away | 84 m² | 129 m² | +45 m² +54% | 2026 |
|---|
| 55, Kenton Avenue676 m away | 107 m² | 152 m² | +45 m² +42% | 2026 |
|---|
| 31, St Josephs Drive432 m away | 83 m² | 128 m² | +45 m² +54% | 2024 |
|---|
| 44, Carlyle Avenue360 m away | 89 m² | 134 m² | +45 m² +51% | 2022 |
|---|
| 13, Hambrough Road585 m away | 86 m² | 131 m² | +45 m² +52% | 2019 |
|---|
| 80, Northcote Avenue356 m away | 84 m² | 128 m² | +44 m² +52% | 2024 |
|---|
| 81, Oswald Road559 m away | 110 m² | 154 m² | +44 m² +40% | 2023 |
|---|
| 4, Telford Road988 m away | 88 m² | 130 m² | +42 m² +48% | 2026 |
|---|
| 3, Boyd Avenue365 m away | 77 m² | 119 m² | +42 m² +55% | 2024 |
|---|
| 53, Cranleigh Gardens684 m away | 57 m² | 99 m² | +42 m² +74% | 2020 |
|---|
| 42, Masefield Avenue622 m away | 95 m² | 137 m² | +42 m² +44% | 2019 |
|---|
| 21, Argyll Avenue830 m away | 101 m² | 143 m² | +42 m² +42% | 2013 |
|---|
| 17, Lewis Road828 m away | 55 m² | 96 m² | +41 m² +75% | 2023 |
|---|
| 69, Trinity Road742 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 27, Norman Avenue464 m away | 70 m² | 111 m² | +41 m² +59% | 2015 |
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| 144, Lady Margaret Road428 m away | 105 m² | 145 m² | +40 m² +38% | 2021 |
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| 117, Abbotts Road736 m away | 101 m² | 141 m² | +40 m² +40% | 2021 |
|---|
| 92, Abbotts Road641 m away | 91 m² | 131 m² | +40 m² +44% | 2016 |
|---|
| 8, Stratton Gardens769 m away | 73 m² | 112 m² | +39 m² +53% | 2023 |
|---|
| 110, Burns Avenue755 m away | 50 m² | 89 m² | +39 m² +78% | 2013 |
|---|
| 5, East Avenue280 m away | 67 m² | 105 m² | +38 m² +57% | 2024 |
|---|
| 107, Dane Road579 m away | 103 m² | 141 m² | +38 m² +37% | 2020 |
|---|
| 31, West End Road634 m away | 101 m² | 139 m² | +38 m² +38% | 2016 |
|---|
| 92, North Road239 m away | 129 m² | 166 m² | +37 m² +29% | 2025 |
|---|
| 26, Shackleton Road179 m away | 137 m² | 174 m² | +37 m² +27% | 2020 |
|---|
| 116, Townsend Road890 m away | 97 m² | 134 m² | +37 m² +38% | 2014 |
|---|
| 43, Townsend Road705 m away | 113 m² | 150 m² | +37 m² +33% | 2013 |
|---|
| 45, Mount Avenue638 m away | 82 m² | 118 m² | +36 m² +44% | 2024 |
|---|
| 21, Townsend Road663 m away | 100 m² | 135 m² | +35 m² +35% | 2023 |
|---|
| 17a, Waxlow Crescent776 m away | 77 m² | 112 m² | +35 m² +45% | 2020 |
|---|
| 6, Hanson Gardens786 m away | 93 m² | 128 m² | +35 m² +38% | 2017 |
|---|
| 107, Northcote Avenue356 m away | 113 m² | 147 m² | +34 m² +30% | 2024 |
|---|
| 66, Oakwood Avenue502 m away | 87 m² | 121 m² | +34 m² +39% | 2020 |
|---|
| 26, Northcote Avenue321 m away | 101 m² | 135 m² | +34 m² +34% | 2017 |
|---|
| 46, West Avenue372 m away | 97 m² | 131 m² | +34 m² +35% | 2013 |
|---|
| 205, North Road588 m away | 68 m² | 101 m² | +33 m² +49% | 2026 |
|---|
| 8, Mount Avenue638 m away | 103 m² | 136 m² | +33 m² +32% | 2025 |
|---|
| 181, Ashford Avenue866 m away | 25 m² | 58 m² | +33 m² +132% | 2021 |
|---|
| 24, Shelley Crescent461 m away | 80 m² | 113 m² | +33 m² +41% | 2019 |
|---|
| 22, Durdans Road577 m away | 85 m² | 118 m² | +33 m² +39% | 2019 |
|---|
| 38, Northcote Avenue356 m away | 106 m² | 138 m² | +32 m² +30% | 2025 |
|---|
| 94, Ashford Avenue991 m away | 80 m² | 112 m² | +32 m² +40% | 2024 |
|---|
| 40, Hortus Road976 m away | 64 m² | 96 m² | +32 m² +50% | 2023 |
|---|
| 10, Tudor Road608 m away | 99 m² | 131 m² | +32 m² +32% | 2022 |
|---|
| 14, Masefield Avenue691 m away | 90 m² | 122 m² | +32 m² +36% | 2015 |
|---|
| 61, Woodlands Road910 m away | 110 m² | 142 m² | +32 m² +29% | 2014 |
|---|
| 99, Townsend Road751 m away | 109 m² | 140 m² | +31 m² +28% | 2024 |
|---|
| 12, Derwent Road860 m away | 87 m² | 118 m² | +31 m² +36% | 2024 |
|---|
| 71, Tollgate Drive856 m away | 28 m² | 59 m² | +31 m² +111% | 2022 |
|---|
| 127, The Broadway443 m away | 40 m² | 71 m² | +31 m² +78% | 2016 |
|---|
| 1a, Cornwall Avenue885 m away | 38 m² | 69 m² | +31 m² +82% | 2009 |
|---|
| 7, Alfred Gardens373 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
|---|
| 111, West End Road731 m away | 93 m² | 123 m² | +30 m² +32% | 2025 |
|---|
| 140, Trinity Road921 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 30, Northcote Avenue321 m away | 108 m² | 138 m² | +30 m² +28% | 2023 |
|---|
| 38, Abbotts Road535 m away | 113 m² | 143 m² | +30 m² +27% | 2023 |
|---|
| 93, Trinity Road818 m away | 91 m² | 121 m² | +30 m² +33% | 2023 |
|---|
| 189, North Road588 m away | 93 m² | 123 m² | +30 m² +32% | 2021 |
|---|
| 20, Beaconsfield Road657 m away | 31 m² | 60 m² | +29 m² +94% | 2023 |
|---|
| 71, Carlyle Avenue398 m away | 68 m² | 97 m² | +29 m² +43% | 2022 |
|---|
| 124, St Josephs Drive565 m away | 64 m² | 93 m² | +29 m² +45% | 2020 |
|---|
| 28, North Road323 m away | 97 m² | 125 m² | +28 m² +29% | 2024 |
|---|
| 10, Grange Road870 m away | 87 m² | 115 m² | +28 m² +32% | 2021 |
|---|
| 21, Park Avenue634 m away | 56 m² | 84 m² | +28 m² +50% | 2014 |
|---|
| 31, Telford Road988 m away | 71 m² | 99 m² | +28 m² +39% | 2014 |
|---|
| 99, Ashford Avenue991 m away | 66 m² | 94 m² | +28 m² +42% | 2014 |
|---|
| 143, Northcote Avenue436 m away | 92 m² | 120 m² | +28 m² +30% | 2013 |
|---|
| 1, Oswald Road452 m away | 70 m² | 98 m² | +28 m² +40% | 2013 |
|---|
| 24, Kingsley Avenue398 m away | 128 m² | 155 m² | +27 m² +21% | 2024 |
|---|
| 141, Ashford Avenue866 m away | 56 m² | 83 m² | +27 m² +48% | 2024 |
|---|
| 47, Hortus Road948 m away | 94 m² | 121 m² | +27 m² +29% | 2024 |
|---|
| 42, Allendale Avenue741 m away | 63 m² | 90 m² | +27 m² +43% | 2021 |
|---|
| 36, St Josephs Drive432 m away | 86 m² | 113 m² | +27 m² +31% | 2020 |
|---|
| 205, Park Avenue856 m away | 129 m² | 156 m² | +27 m² +21% | 2020 |
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| 6, Saxon Road428 m away | 139 m² | 166 m² | +27 m² +19% | 2016 |
|---|
| 32, Knowsley Avenue856 m away | 111 m² | 138 m² | +27 m² +24% | 2014 |
|---|
| 61, West End Road634 m away | 105 m² | 131 m² | +26 m² +25% | 2026 |
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| 251, Lady Margaret Road809 m away | 30 m² | 56 m² | +26 m² +87% | 2026 |
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| 46, Grange Road870 m away | 96 m² | 122 m² | +26 m² +27% | 2026 |
|---|
| 45, Hortus Road948 m away | 90 m² | 116 m² | +26 m² +29% | 2026 |
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| 84, Oswald Road596 m away | 92 m² | 118 m² | +26 m² +28% | 2025 |
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| 33a, Livingstone Road836 m away | 51 m² | 77 m² | +26 m² +51% | 2025 |
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| 109, Northcote Avenue369 m away | 85 m² | 111 m² | +26 m² +31% | 2024 |
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| 21, Viking Road520 m away | 81 m² | 107 m² | +26 m² +32% | 2024 |
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| 49a, Livingstone Road836 m away | 46 m² | 72 m² | +26 m² +57% | 2024 |
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| 72, Abbotts Road641 m away | 95 m² | 121 m² | +26 m² +27% | 2022 |
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| 22, Lancaster Road536 m away | 82 m² | 108 m² | +26 m² +32% | 2021 |
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| 18, Mount Avenue638 m away | 91 m² | 117 m² | +26 m² +29% | 2020 |
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| 15, St Stephens Close952 m away | 71 m² | 97 m² | +26 m² +37% | 2015 |
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| 28, Randolph Road780 m away | 27 m² | 52 m² | +25 m² +93% | 2023 |
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| 3, West End Road634 m away | 94 m² | 119 m² | +25 m² +27% | 2011 |
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| 15, Saxon Road401 m away | 81 m² | 105 m² | +24 m² +30% | 2024 |
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| 73, Hambrough Road585 m away | 89 m² | 113 m² | +24 m² +27% | 2024 |
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| 14, Abbotts Road535 m away | 29 m² | 53 m² | +24 m² +83% | 2023 |
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| 19, Northcote Avenue306 m away | 94 m² | 118 m² | +24 m² +26% | 2021 |
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| 41, Dormers Wells Lane812 m away | 129 m² | 153 m² | +24 m² +19% | 2020 |
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| 119, Dormers Wells Lane812 m away | 77 m² | 101 m² | +24 m² +31% | 2019 |
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| 162, Beaconsfield Road984 m away | 24 m² | 48 m² | +24 m² +100% | 2010 |
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| 37, Shackleton Road124 m away | 130 m² | 153 m² | +23 m² +18% | 2025 |
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| 32, Orchard Avenue367 m away | 103 m² | 126 m² | +23 m² +22% | 2024 |
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| 107, Woodlands Road910 m away | 90 m² | 113 m² | +23 m² +26% | 2022 |
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| 32, Shelley Crescent461 m away | 42 m² | 65 m² | +23 m² +55% | 2019 |
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| 37, Tollgate Drive971 m away | 94 m² | 117 m² | +23 m² +24% | 2019 |
|---|
| 13, Kenton Avenue566 m away | 55 m² | 77 m² | +22 m² +40% | 2022 |
|---|
| 67, Allenby Road814 m away | 110 m² | 132 m² | +22 m² +20% | 2022 |
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| 106, Uxbridge Road733 m away | 60 m² | 82 m² | +22 m² +37% | 2021 |
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| 8, Spikes Bridge Road556 m away | 77 m² | 99 m² | +22 m² +29% | 2013 |
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| 32, Spikes Bridge Road556 m away | 98 m² | 119 m² | +21 m² +21% | 2026 |
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| 47, Oakwood Avenue502 m away | 78 m² | 99 m² | +21 m² +27% | 2023 |
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| 88, Woodlands Road891 m away | 99 m² | 120 m² | +21 m² +21% | 2021 |
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| 36, Hortus Road976 m away | 80 m² | 101 m² | +21 m² +26% | 2020 |
|---|
| 55, Saxon Road401 m away | 102 m² | 123 m² | +21 m² +21% | 2013 |
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| 86, Woodlands Road891 m away | 77 m² | 97 m² | +20 m² +26% | 2025 |
|---|
| 20, Woodlands Road833 m away | 91 m² | 111 m² | +20 m² +22% | 2023 |
|---|
| 1, Allenby Road666 m away | 76 m² | 96 m² | +20 m² +26% | 2022 |
|---|
| 3, Allendale Avenue601 m away | 86 m² | 106 m² | +20 m² +23% | 2019 |
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| 13, Knowsley Avenue856 m away | 117 m² | 137 m² | +20 m² +17% | 2014 |
|---|
| 3, Hambrough Road585 m away | 99 m² | 118 m² | +19 m² +19% | 2024 |
|---|
| 47, Dormers Wells Lane812 m away | 111 m² | 130 m² | +19 m² +17% | 2024 |
|---|
| 30, Randolph Road780 m away | 27 m² | 46 m² | +19 m² +70% | 2023 |
|---|
| 139, Townsend Road832 m away | 79 m² | 98 m² | +19 m² +24% | 2023 |
|---|
| 35a, Park Avenue630 m away | 35 m² | 54 m² | +19 m² +54% | 2021 |
|---|
| 142, Beaconsfield Road895 m away | 66 m² | 85 m² | +19 m² +29% | 2021 |
|---|
| 2, Lynwood Gardens900 m away | 71 m² | 90 m² | +19 m² +27% | 2020 |
|---|
| 90, Abbotts Road641 m away | 104 m² | 123 m² | +19 m² +18% | 2019 |
|---|
| 4, St Georges Avenue169 m away | 53 m² | 72 m² | +19 m² +36% | 2015 |
|---|
| 79, Townsend Road751 m away | 98 m² | 117 m² | +19 m² +19% | 2015 |
|---|
| 142, Northcote Avenue436 m away | 110 m² | 129 m² | +19 m² +17% | 2014 |
|---|
| 58, Dane Road467 m away | 94 m² | 113 m² | +19 m² +20% | 2014 |
|---|
| 8, Somerset Road931 m away | 100 m² | 118 m² | +18 m² +18% | 2024 |
|---|
| 25, Longford Avenue720 m away | 96 m² | 114 m² | +18 m² +19% | 2023 |
|---|
| 61, Tollgate Drive971 m away | 66 m² | 84 m² | +18 m² +27% | 2023 |
|---|
| 28, Hortus Road976 m away | 87 m² | 105 m² | +18 m² +21% | 2021 |
|---|
| 71, Beaconsfield Road800 m away | 73 m² | 91 m² | +18 m² +25% | 2018 |
|---|
| 109, Burns Avenue632 m away | 93 m² | 111 m² | +18 m² +19% | 2016 |
|---|
| 12a, Burns Avenue419 m away | 96 m² | 114 m² | +18 m² +19% | 2014 |
|---|
| 169, Park Avenue747 m away | 78 m² | 96 m² | +18 m² +23% | 2014 |
|---|
| 33, Avenue Road626 m away | 48 m² | 66 m² | +18 m² +38% | 2011 |
|---|
| 90, Ranelagh Road983 m away | 94 m² | 111 m² | +17 m² +18% | 2025 |
|---|
| 87, Townsend Road751 m away | 103 m² | 120 m² | +17 m² +17% | 2020 |
|---|
| 234, Park Avenue955 m away | 89 m² | 106 m² | +17 m² +19% | 2014 |
|---|
| 29, Northcote Avenue321 m away | 80 m² | 96 m² | +16 m² +20% | 2026 |
|---|
| 1, Green Drive808 m away | 76 m² | 92 m² | +16 m² +21% | 2025 |
|---|
| 199a, Lady Margaret Road657 m away | 84 m² | 100 m² | +16 m² +19% | 2024 |
|---|
| 82a, South Road489 m away | 90 m² | 106 m² | +16 m² +18% | 2023 |
|---|
| 17, Abbotts Road507 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
|---|
| 6, Randolph Road780 m away | 34 m² | 50 m² | +16 m² +47% | 2023 |
|---|
| 63, Greenford Avenue242 m away | 42 m² | 58 m² | +16 m² +38% | 2022 |
|---|
| 96, Dormers Wells Lane812 m away | 59 m² | 75 m² | +16 m² +27% | 2021 |
|---|
| 46, Carlyle Avenue355 m away | 89 m² | 105 m² | +16 m² +18% | 2019 |
|---|
| 146, Beaconsfield Road895 m away | 79 m² | 95 m² | +16 m² +20% | 2018 |
|---|
| 70, Saxon Road430 m away | 91 m² | 107 m² | +16 m² +18% | 2017 |
|---|
| 155, Ashford Avenue866 m away | 56 m² | 72 m² | +16 m² +29% | 2016 |
|---|
| 14, West End Road643 m away | 90 m² | 106 m² | +16 m² +18% | 2014 |
|---|
| 114, Evelyn Grove816 m away | 82 m² | 98 m² | +16 m² +20% | 2013 |
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