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 1EN
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 Road442 m away | 95 m² | 226 m² | +131 m² +138% | 2023 |
| 162, Ashford Avenue839 m away | 111 m² | 235 m² | +124 m² +112% | 2026 |
| 67, West Avenue800 m away | 73 m² | 181 m² | +108 m² +148% | 2021 |
| 54, Ranelagh Road146 m away | 99 m² | 206 m² | +107 m² +108% | 2024 |
| 7, Greenford Avenue762 m away | 159 m² | 250 m² | +91 m² +57% | 2023 |
| 2a, Stanley Road378 m away | 183 m² | 265 m² | +82 m² +45% | 2020 |
| 80, Lady Margaret Road946 m away | 92 m² | 173 m² | +81 m² +88% | 2026 |
| 39, Ranelagh Road194 m away | 93 m² | 168 m² | +75 m² +81% | 2022 |
| 8, Lady Margaret Road848 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.
| 65 m² |
| 139 m² |
| +74 m² +114% |
| 2011 |
| 20, Beresford Road281 m away | 104 m² | 176 m² | +72 m² +69% | 2021 |
|---|
| 28, Alexandra Avenue617 m away | 80 m² | 151 m² | +71 m² +89% | 2026 |
|---|
| 140, Woodlands Road119 m away | 60 m² | 125 m² | +65 m² +108% | 2014 |
|---|
| 8, Stanley Road378 m away | 95 m² | 158 m² | +63 m² +66% | 2015 |
|---|
| 41, Beresford Road222 m away | 71 m² | 133 m² | +62 m² +87% | 2023 |
|---|
| 46, Camden Avenue735 m away | 87 m² | 147 m² | +60 m² +69% | 2024 |
|---|
| 16, Cherry Avenue213 m away | 112 m² | 171 m² | +59 m² +53% | 2024 |
|---|
| 59, Delamere Road576 m away | 77 m² | 135 m² | +58 m² +75% | 2022 |
|---|
| 25, Lancaster Road476 m away | 58 m² | 116 m² | +58 m² +100% | 2020 |
|---|
| 32, Dudley Road821 m away | 90 m² | 146 m² | +56 m² +62% | 2026 |
|---|
| 269, Beaconsfield Road289 m away | 99 m² | 155 m² | +56 m² +57% | 2024 |
|---|
| 18, South Avenue725 m away | 65 m² | 120 m² | +55 m² +85% | 2026 |
|---|
| 5, Greenford Avenue762 m away | 91 m² | 146 m² | +55 m² +60% | 2015 |
|---|
| 146, West End Road194 m away | 88 m² | 142 m² | +54 m² +61% | 2023 |
|---|
| 157, Queens Road667 m away | 43 m² | 97 m² | +54 m² +126% | 2022 |
|---|
| 9, East Avenue848 m away | 56 m² | 109 m² | +53 m² +95% | 2025 |
|---|
| 9, Hanson Gardens561 m away | 54 m² | 106 m² | +52 m² +96% | 2024 |
|---|
| 54, Lady Margaret Road891 m away | 146 m² | 198 m² | +52 m² +36% | 2019 |
|---|
| 51, Balfour Road888 m away | 63 m² | 115 m² | +52 m² +83% | 2016 |
|---|
| 71, Greenford Avenue922 m away | 65 m² | 116 m² | +51 m² +78% | 2025 |
|---|
| 127, Beaconsfield Road307 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 46, Dane Road543 m away | 106 m² | 155 m² | +49 m² +46% | 2023 |
|---|
| 6, Hartington Road769 m away | 94 m² | 142 m² | +48 m² +51% | 2023 |
|---|
| 52, Townsend Road171 m away | 94 m² | 141 m² | +47 m² +50% | 2025 |
|---|
| 55, Beresford Road222 m away | 93 m² | 140 m² | +47 m² +51% | 2025 |
|---|
| 111, Lady Margaret Road973 m away | 100 m² | 147 m² | +47 m² +47% | 2025 |
|---|
| 69, Townsend Road100 m away | 102 m² | 149 m² | +47 m² +46% | 2024 |
|---|
| 3, Ruskin Road400 m away | 84 m² | 130 m² | +46 m² +55% | 2023 |
|---|
| 31, St Josephs Drive576 m away | 83 m² | 128 m² | +45 m² +54% | 2024 |
|---|
| 105, Clarence Street792 m away | 34 m² | 79 m² | +45 m² +132% | 2023 |
|---|
| 13, Hambrough Road262 m away | 86 m² | 131 m² | +45 m² +52% | 2019 |
|---|
| 49, Bankside292 m away | 52 m² | 96 m² | +44 m² +85% | 2024 |
|---|
| 80, Northcote Avenue589 m away | 84 m² | 128 m² | +44 m² +52% | 2024 |
|---|
| 81, Oswald Road386 m away | 110 m² | 154 m² | +44 m² +40% | 2023 |
|---|
| 3, Boyd Avenue948 m away | 77 m² | 119 m² | +42 m² +55% | 2024 |
|---|
| 5, Dudley Road821 m away | 64 m² | 106 m² | +42 m² +66% | 2023 |
|---|
| 68, Queens Road675 m away | 58 m² | 99 m² | +41 m² +71% | 2026 |
|---|
| 17, Lewis Road491 m away | 55 m² | 96 m² | +41 m² +75% | 2023 |
|---|
| 69, Trinity Road162 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 27, Norman Avenue702 m away | 70 m² | 111 m² | +41 m² +59% | 2015 |
|---|
| 64, Ashford Avenue831 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| 8c, Osterley Park Road957 m away | 67 m² | 107 m² | +40 m² +60% | 2024 |
|---|
| 117, Abbotts Road319 m away | 101 m² | 141 m² | +40 m² +40% | 2021 |
|---|
| 92, Abbotts Road287 m away | 91 m² | 131 m² | +40 m² +44% | 2016 |
|---|
| 22, Cerne Close788 m away | 102 m² | 141 m² | +39 m² +38% | 2026 |
|---|
| 49, Camden Avenue735 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 1, Queens Road700 m away | 96 m² | 135 m² | +39 m² +41% | 2018 |
|---|
| 5, East Avenue848 m away | 67 m² | 105 m² | +38 m² +57% | 2024 |
|---|
| 107, Dane Road753 m away | 103 m² | 141 m² | +38 m² +37% | 2020 |
|---|
| 31, West End Road211 m away | 101 m² | 139 m² | +38 m² +38% | 2016 |
|---|
| 68, Berwick Avenue752 m away | 87 m² | 125 m² | +38 m² +44% | 2016 |
|---|
| 34, Spencer Street778 m away | 65 m² | 102 m² | +37 m² +57% | 2019 |
|---|
| 116, Townsend Road170 m away | 97 m² | 134 m² | +37 m² +38% | 2014 |
|---|
| 43, Townsend Road145 m away | 113 m² | 150 m² | +37 m² +33% | 2013 |
|---|
| 14, Cherry Avenue213 m away | 112 m² | 148 m² | +36 m² +32% | 2020 |
|---|
| 8b, Osterley Park Road957 m away | 69 m² | 105 m² | +36 m² +52% | 2015 |
|---|
| 21, Townsend Road218 m away | 100 m² | 135 m² | +35 m² +35% | 2023 |
|---|
| 55, Featherstone Road965 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
|---|
| 6, Hanson Gardens561 m away | 93 m² | 128 m² | +35 m² +38% | 2017 |
|---|
| 107, Northcote Avenue589 m away | 113 m² | 147 m² | +34 m² +30% | 2024 |
|---|
| 26, Northcote Avenue545 m away | 101 m² | 135 m² | +34 m² +34% | 2017 |
|---|
| 46, West Avenue800 m away | 97 m² | 131 m² | +34 m² +35% | 2013 |
|---|
| 181, Ashford Avenue839 m away | 25 m² | 58 m² | +33 m² +132% | 2021 |
|---|
| 24, Clarence Street858 m away | 87 m² | 120 m² | +33 m² +38% | 2014 |
|---|
| 101, Scotts Road973 m away | 79 m² | 112 m² | +33 m² +42% | 2010 |
|---|
| 38, Northcote Avenue589 m away | 106 m² | 138 m² | +32 m² +30% | 2025 |
|---|
| 94, Ashford Avenue811 m away | 80 m² | 112 m² | +32 m² +40% | 2024 |
|---|
| 40, Hortus Road895 m away | 64 m² | 96 m² | +32 m² +50% | 2023 |
|---|
| 10, Tudor Road426 m away | 99 m² | 131 m² | +32 m² +32% | 2022 |
|---|
| 61, Woodlands Road70 m away | 110 m² | 142 m² | +32 m² +29% | 2014 |
|---|
| 48, Berwick Avenue796 m away | 71 m² | 103 m² | +32 m² +45% | 2014 |
|---|
| 53, Sussex Road939 m away | 57 m² | 88 m² | +31 m² +54% | 2025 |
|---|
| 99, Townsend Road100 m away | 109 m² | 140 m² | +31 m² +28% | 2024 |
|---|
| 71, Tollgate Drive631 m away | 28 m² | 59 m² | +31 m² +111% | 2022 |
|---|
| 47, Bankside292 m away | 61 m² | 92 m² | +31 m² +51% | 2019 |
|---|
| 127, The Broadway402 m away | 40 m² | 71 m² | +31 m² +78% | 2016 |
|---|
| 140, Trinity Road127 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 111, West End Road169 m away | 93 m² | 123 m² | +30 m² +32% | 2025 |
|---|
| 7, Alfred Gardens479 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
|---|
| 93, Trinity Road27 m away | 91 m² | 121 m² | +30 m² +33% | 2023 |
|---|
| 38, Abbotts Road313 m away | 113 m² | 143 m² | +30 m² +27% | 2023 |
|---|
| 30, Northcote Avenue545 m away | 108 m² | 138 m² | +30 m² +28% | 2023 |
|---|
| 143, Queens Road667 m away | 89 m² | 119 m² | +30 m² +34% | 2023 |
|---|
| 20, Beaconsfield Road634 m away | 31 m² | 60 m² | +29 m² +94% | 2023 |
|---|
| 71, Carlyle Avenue948 m away | 68 m² | 97 m² | +29 m² +43% | 2022 |
|---|
| 124, St Josephs Drive475 m away | 64 m² | 93 m² | +29 m² +45% | 2020 |
|---|
| 76, Clarence Street818 m away | 57 m² | 86 m² | +29 m² +51% | 2019 |
|---|
| 46, Johnson Street941 m away | 78 m² | 107 m² | +29 m² +37% | 2014 |
|---|
| 10, Grange Road401 m away | 87 m² | 115 m² | +28 m² +32% | 2021 |
|---|
| 74, Clarence Street818 m away | 61 m² | 89 m² | +28 m² +46% | 2020 |
|---|
| 99, Ashford Avenue811 m away | 66 m² | 94 m² | +28 m² +42% | 2014 |
|---|
| 21, Park Avenue840 m away | 56 m² | 84 m² | +28 m² +50% | 2014 |
|---|
| 1, Oswald Road408 m away | 70 m² | 98 m² | +28 m² +40% | 2013 |
|---|
| 143, Northcote Avenue806 m away | 92 m² | 120 m² | +28 m² +30% | 2013 |
|---|
| 39, Hartington Road720 m away | 80 m² | 107 m² | +27 m² +34% | 2026 |
|---|
| 239a, Beaconsfield Road289 m away | 114 m² | 141 m² | +27 m² +24% | 2025 |
|---|
| 29, Queens Road700 m away | 90 m² | 117 m² | +27 m² +30% | 2024 |
|---|
| 62, Ashford Avenue831 m away | 120 m² | 147 m² | +27 m² +23% | 2024 |
|---|
| 141, Ashford Avenue839 m away | 56 m² | 83 m² | +27 m² +48% | 2024 |
|---|
| 47, Hortus Road878 m away | 94 m² | 121 m² | +27 m² +29% | 2024 |
|---|
| 36, St Josephs Drive576 m away | 86 m² | 113 m² | +27 m² +31% | 2020 |
|---|
| 6, Saxon Road479 m away | 139 m² | 166 m² | +27 m² +19% | 2016 |
|---|
| 61, West End Road211 m away | 105 m² | 131 m² | +26 m² +25% | 2026 |
|---|
| 46, Grange Road401 m away | 96 m² | 122 m² | +26 m² +27% | 2026 |
|---|
| 45, Hortus Road878 m away | 90 m² | 116 m² | +26 m² +29% | 2026 |
|---|
| 19, St Johns Road965 m away | 91 m² | 117 m² | +26 m² +29% | 2026 |
|---|
| 84, Oswald Road357 m away | 92 m² | 118 m² | +26 m² +28% | 2025 |
|---|
| 33a, Livingstone Road500 m away | 51 m² | 77 m² | +26 m² +51% | 2025 |
|---|
| 49a, Livingstone Road500 m away | 46 m² | 72 m² | +26 m² +57% | 2024 |
|---|
| 109, Northcote Avenue713 m away | 85 m² | 111 m² | +26 m² +31% | 2024 |
|---|
| 21, Viking Road772 m away | 81 m² | 107 m² | +26 m² +32% | 2024 |
|---|
| 20a, Featherstone Road923 m away | 49 m² | 75 m² | +26 m² +53% | 2023 |
|---|
| 72, Abbotts Road287 m away | 95 m² | 121 m² | +26 m² +27% | 2022 |
|---|
| 15, Brookside Road912 m away | 119 m² | 145 m² | +26 m² +22% | 2022 |
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| 22, Lancaster Road466 m away | 82 m² | 108 m² | +26 m² +32% | 2021 |
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| 92, Scotts Road939 m away | 78 m² | 104 m² | +26 m² +33% | 2019 |
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| 24, Scotts Road938 m away | 86 m² | 112 m² | +26 m² +30% | 2015 |
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| 28, Randolph Road608 m away | 27 m² | 52 m² | +25 m² +93% | 2023 |
|---|
| 3, West End Road211 m away | 94 m² | 119 m² | +25 m² +27% | 2011 |
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| 73, Hambrough Road262 m away | 89 m² | 113 m² | +24 m² +27% | 2024 |
|---|
| 15, Saxon Road489 m away | 81 m² | 105 m² | +24 m² +30% | 2024 |
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| 14, Abbotts Road313 m away | 29 m² | 53 m² | +24 m² +83% | 2023 |
|---|
| 19, Northcote Avenue538 m away | 94 m² | 118 m² | +24 m² +26% | 2021 |
|---|
| 4, Camden Avenue821 m away | 77 m² | 101 m² | +24 m² +31% | 2015 |
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| 162, Beaconsfield Road188 m away | 24 m² | 48 m² | +24 m² +100% | 2010 |
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| 37, Shackleton Road952 m away | 130 m² | 153 m² | +23 m² +18% | 2025 |
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| 32, Orchard Avenue541 m away | 103 m² | 126 m² | +23 m² +22% | 2024 |
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| 107, Woodlands Road70 m away | 90 m² | 113 m² | +23 m² +26% | 2022 |
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| 40, Spencer Street778 m away | 78 m² | 101 m² | +23 m² +29% | 2020 |
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| 37, Tollgate Drive586 m away | 94 m² | 117 m² | +23 m² +24% | 2019 |
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| 207, Beaconsfield Road223 m away | 94 m² | 116 m² | +22 m² +23% | 2022 |
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| 20, Cerne Close788 m away | 76 m² | 98 m² | +22 m² +29% | 2021 |
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| 31, Gladstone Road738 m away | 85 m² | 107 m² | +22 m² +26% | 2014 |
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| 8, Spikes Bridge Road863 m away | 77 m² | 99 m² | +22 m² +29% | 2013 |
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| 32, Spikes Bridge Road863 m away | 98 m² | 119 m² | +21 m² +21% | 2026 |
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| 26, Waltham Road948 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
|---|
| 88, Woodlands Road73 m away | 99 m² | 120 m² | +21 m² +21% | 2021 |
|---|
| 36, Hortus Road895 m away | 80 m² | 101 m² | +21 m² +26% | 2020 |
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| 95, Queens Road675 m away | 31 m² | 52 m² | +21 m² +68% | 2016 |
|---|
| 72, Kingston Road947 m away | 61 m² | 82 m² | +21 m² +34% | 2016 |
|---|
| 55, Saxon Road489 m away | 102 m² | 123 m² | +21 m² +21% | 2013 |
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| 86, Woodlands Road73 m away | 77 m² | 97 m² | +20 m² +26% | 2025 |
|---|
| 20, Woodlands Road167 m away | 91 m² | 111 m² | +20 m² +22% | 2023 |
|---|
| 41, Balfour Road888 m away | 120 m² | 140 m² | +20 m² +17% | 2023 |
|---|
| 67, Kingston Road928 m away | 129 m² | 149 m² | +20 m² +16% | 2022 |
|---|
| 11, Balfour Road919 m away | 78 m² | 98 m² | +20 m² +26% | 2018 |
|---|
| 46, Scotts Road939 m away | 81 m² | 101 m² | +20 m² +25% | 2016 |
|---|
| 111, Clarence Street792 m away | 72 m² | 91 m² | +19 m² +26% | 2025 |
|---|
| 3, Hambrough Road262 m away | 99 m² | 118 m² | +19 m² +19% | 2024 |
|---|
| 68, Clarence Street818 m away | 81 m² | 100 m² | +19 m² +23% | 2024 |
|---|
| 139, Townsend Road140 m away | 79 m² | 98 m² | +19 m² +24% | 2023 |
|---|
| 30, Randolph Road608 m away | 27 m² | 46 m² | +19 m² +70% | 2023 |
|---|
| 10, Bankside337 m away | 77 m² | 96 m² | +19 m² +25% | 2022 |
|---|
| 142, Beaconsfield Road216 m away | 66 m² | 85 m² | +19 m² +29% | 2021 |
|---|
| 90, Abbotts Road287 m away | 104 m² | 123 m² | +19 m² +18% | 2019 |
|---|
| 79, Townsend Road100 m away | 98 m² | 117 m² | +19 m² +19% | 2015 |
|---|
| 4, St Georges Avenue675 m away | 53 m² | 72 m² | +19 m² +36% | 2015 |
|---|
| 58, Dane Road543 m away | 94 m² | 113 m² | +19 m² +20% | 2014 |
|---|
| 142, Northcote Avenue806 m away | 110 m² | 129 m² | +19 m² +17% | 2014 |
|---|
| 29, Gladstone Road738 m away | 91 m² | 109 m² | +18 m² +20% | 2024 |
|---|
| 61, Tollgate Drive586 m away | 66 m² | 84 m² | +18 m² +27% | 2023 |
|---|
| 28, Hortus Road895 m away | 87 m² | 105 m² | +18 m² +21% | 2021 |
|---|
| 71, Beaconsfield Road394 m away | 73 m² | 91 m² | +18 m² +25% | 2018 |
|---|
| 33, Avenue Road798 m away | 48 m² | 66 m² | +18 m² +38% | 2011 |
|---|
| 27, Camden Avenue821 m away | 81 m² | 98 m² | +17 m² +21% | 2026 |
|---|
| 2, Scotts Road938 m away | 104 m² | 121 m² | +17 m² +16% | 2026 |
|---|
| 90, Ranelagh Road146 m away | 94 m² | 111 m² | +17 m² +18% | 2025 |
|---|
| 21, Hartington Road769 m away | 99 m² | 116 m² | +17 m² +17% | 2025 |
|---|
| 87, Townsend Road100 m away | 103 m² | 120 m² | +17 m² +17% | 2020 |
|---|
| 19, Scotts Road968 m away | 89 m² | 106 m² | +17 m² +19% | 2016 |
|---|
| 89, Queens Road675 m away | 64 m² | 81 m² | +17 m² +27% | 2013 |
|---|
| 29, Northcote Avenue545 m away | 80 m² | 96 m² | +16 m² +20% | 2026 |
|---|
| 46, Clarence Street858 m away | 76 m² | 92 m² | +16 m² +21% | 2025 |
|---|
| 151, Cranborne Waye970 m away | 87 m² | 103 m² | +16 m² +18% | 2025 |
|---|
| 17, Abbotts Road342 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
|---|
| 6, Randolph Road608 m away | 34 m² | 50 m² | +16 m² +47% | 2023 |
|---|
| 145, Queens Road667 m away | 81 m² | 97 m² | +16 m² +20% | 2023 |
|---|
| 82a, South Road669 m away | 90 m² | 106 m² | +16 m² +18% | 2023 |
|---|
| 63, Greenford Avenue922 m away | 42 m² | 58 m² | +16 m² +38% | 2022 |
|---|
| 15a, Waltham Road962 m away | 81 m² | 97 m² | +16 m² +20% | 2022 |
|---|
| 59, Balfour Road888 m away | 73 m² | 89 m² | +16 m² +22% | 2021 |
|---|
| 146, Beaconsfield Road216 m away | 79 m² | 95 m² | +16 m² +20% | 2018 |
|---|
| 70, Saxon Road580 m away | 91 m² | 107 m² | +16 m² +18% | 2017 |
|---|
| 155, Ashford Avenue839 m away | 56 m² | 72 m² | +16 m² +29% | 2016 |
|---|
| 14, West End Road209 m away | 90 m² | 106 m² | +16 m² +18% | 2014 |
|---|
| 12a, St Johns Road965 m away | 51 m² | 67 m² | +16 m² +31% | 2010 |
|---|
| Sage House, 14, Greenleaf Walk446 m away | 76 m² | 91 m² | +15 m² +20% | 2026 |
|---|
| 142, Berwick Avenue769 m away | 46 m² | 61 m² | +15 m² +33% | 2021 |
|---|
| 32, Grange Road401 m away | 61 m² | 76 m² | +15 m² +25% | 2020 |
|---|
| 63, Kingston Road928 m away | 49 m² | 64 m² | +15 m² +31% | 2020 |
|---|
| 53, St Josephs Drive480 m away | 48 m² | 63 m² | +15 m² +31% | 2018 |
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