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 1DZ
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 |
|---|---|---|---|---|
| 142, Western Road945 m away | 170 m² | 315 m² | +145 m² +85% | 2015 |
| 10, Dane Road647 m away | 95 m² | 226 m² | +131 m² +138% | 2023 |
| 30, Marlborough Road987 m away | 83 m² | 203 m² | +120 m² +145% | 2015 |
| 54, Ranelagh Road155 m away | 99 m² | 206 m² | +107 m² +108% | 2024 |
| 128, Western Road945 m away | 102 m² | 199 m² | +97 m² +95% | 2015 |
| 7, Greenford Avenue939 m away | 159 m² | 250 m² | +91 m² +57% | 2023 |
| 2a, Stanley Road574 m away | 183 m² | 265 m² | +82 m² +45% | 2020 |
| 39, Ranelagh Road344 m away | 93 m² | 168 m² | +75 m² +81% | 2022 |
| 20, Beresford Road392 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.
| 104 m² |
| 176 m² |
| +72 m² +69% |
| 2021 |
| 28, Alexandra Avenue803 m away | 80 m² | 151 m² | +71 m² +89% | 2026 |
|---|
| 143, Greenland Crescent986 m away | 63 m² | 132 m² | +69 m² +110% | 2018 |
|---|
| 140, Woodlands Road91 m away | 60 m² | 125 m² | +65 m² +108% | 2014 |
|---|
| 8, Stanley Road574 m away | 95 m² | 158 m² | +63 m² +66% | 2015 |
|---|
| 41, Beresford Road283 m away | 71 m² | 133 m² | +62 m² +87% | 2023 |
|---|
| 46, Camden Avenue831 m away | 87 m² | 147 m² | +60 m² +69% | 2024 |
|---|
| 16, Cherry Avenue129 m away | 112 m² | 171 m² | +59 m² +53% | 2024 |
|---|
| 59, Delamere Road664 m away | 77 m² | 135 m² | +58 m² +75% | 2022 |
|---|
| 25, Lancaster Road680 m away | 58 m² | 116 m² | +58 m² +100% | 2020 |
|---|
| 32, Dudley Road679 m away | 90 m² | 146 m² | +56 m² +62% | 2026 |
|---|
| 269, Beaconsfield Road102 m away | 99 m² | 155 m² | +56 m² +57% | 2024 |
|---|
| 18, South Avenue921 m away | 65 m² | 120 m² | +55 m² +85% | 2026 |
|---|
| 5, Greenford Avenue939 m away | 91 m² | 146 m² | +55 m² +60% | 2015 |
|---|
| 146, West End Road237 m away | 88 m² | 142 m² | +54 m² +61% | 2023 |
|---|
| 157, Queens Road565 m away | 43 m² | 97 m² | +54 m² +126% | 2022 |
|---|
| 9, Hanson Gardens586 m away | 54 m² | 106 m² | +52 m² +96% | 2024 |
|---|
| 17, Lonsdale Road831 m away | 44 m² | 96 m² | +52 m² +118% | 2024 |
|---|
| 51, Balfour Road699 m away | 63 m² | 115 m² | +52 m² +83% | 2016 |
|---|
| 127, Beaconsfield Road309 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 46, Dane Road749 m away | 106 m² | 155 m² | +49 m² +46% | 2023 |
|---|
| 6, Hartington Road638 m away | 94 m² | 142 m² | +48 m² +51% | 2023 |
|---|
| 5, Florence Road1000 m away | 78 m² | 126 m² | +48 m² +62% | 2014 |
|---|
| 55, Beresford Road283 m away | 93 m² | 140 m² | +47 m² +51% | 2025 |
|---|
| 52, Townsend Road377 m away | 94 m² | 141 m² | +47 m² +50% | 2025 |
|---|
| 69, Townsend Road282 m away | 102 m² | 149 m² | +47 m² +46% | 2024 |
|---|
| 3, Ruskin Road574 m away | 84 m² | 130 m² | +46 m² +55% | 2023 |
|---|
| 31, St Josephs Drive709 m away | 83 m² | 128 m² | +45 m² +54% | 2024 |
|---|
| 105, Clarence Street605 m away | 34 m² | 79 m² | +45 m² +132% | 2023 |
|---|
| 13, Hambrough Road444 m away | 86 m² | 131 m² | +45 m² +52% | 2019 |
|---|
| 49, Bankside307 m away | 52 m² | 96 m² | +44 m² +85% | 2024 |
|---|
| 80, Northcote Avenue793 m away | 84 m² | 128 m² | +44 m² +52% | 2024 |
|---|
| 81, Oswald Road516 m away | 110 m² | 154 m² | +44 m² +40% | 2023 |
|---|
| 5, Dudley Road679 m away | 64 m² | 106 m² | +42 m² +66% | 2023 |
|---|
| 68, Queens Road538 m away | 58 m² | 99 m² | +41 m² +71% | 2026 |
|---|
| 17, Lewis Road497 m away | 55 m² | 96 m² | +41 m² +75% | 2023 |
|---|
| 69, Trinity Road364 m away | 91 m² | 132 m² | +41 m² +45% | 2022 |
|---|
| 29, Church Avenue946 m away | 84 m² | 125 m² | +41 m² +49% | 2022 |
|---|
| 27, Norman Avenue908 m away | 70 m² | 111 m² | +41 m² +59% | 2015 |
|---|
| 8c, Osterley Park Road924 m away | 67 m² | 107 m² | +40 m² +60% | 2024 |
|---|
| 64, Ashford Avenue972 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| 117, Abbotts Road383 m away | 101 m² | 141 m² | +40 m² +40% | 2021 |
|---|
| 92, Abbotts Road414 m away | 91 m² | 131 m² | +40 m² +44% | 2016 |
|---|
| 22, Cerne Close850 m away | 102 m² | 141 m² | +39 m² +38% | 2026 |
|---|
| 49, Camden Avenue831 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 1, Queens Road536 m away | 96 m² | 135 m² | +39 m² +41% | 2018 |
|---|
| 132, Western Road945 m away | 105 m² | 144 m² | +39 m² +37% | 2014 |
|---|
| 107, Dane Road955 m away | 103 m² | 141 m² | +38 m² +37% | 2020 |
|---|
| 31, West End Road407 m away | 101 m² | 139 m² | +38 m² +38% | 2016 |
|---|
| 68, Berwick Avenue883 m away | 87 m² | 125 m² | +38 m² +44% | 2016 |
|---|
| 34, Spencer Street580 m away | 65 m² | 102 m² | +37 m² +57% | 2019 |
|---|
| 116, Townsend Road165 m away | 97 m² | 134 m² | +37 m² +38% | 2014 |
|---|
| 43, Townsend Road348 m away | 113 m² | 150 m² | +37 m² +33% | 2013 |
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| 14, Cherry Avenue129 m away | 112 m² | 148 m² | +36 m² +32% | 2020 |
|---|
| 8b, Osterley Park Road924 m away | 69 m² | 105 m² | +36 m² +52% | 2015 |
|---|
| 21, Townsend Road424 m away | 100 m² | 135 m² | +35 m² +35% | 2023 |
|---|
| 55, Featherstone Road820 m away | 89 m² | 124 m² | +35 m² +39% | 2021 |
|---|
| 6, Hanson Gardens586 m away | 93 m² | 128 m² | +35 m² +38% | 2017 |
|---|
| 107, Northcote Avenue793 m away | 113 m² | 147 m² | +34 m² +30% | 2024 |
|---|
| 26, Northcote Avenue742 m away | 101 m² | 135 m² | +34 m² +34% | 2017 |
|---|
| 24, Clarence Street689 m away | 87 m² | 120 m² | +33 m² +38% | 2014 |
|---|
| 40, Lonsdale Road831 m away | 96 m² | 129 m² | +33 m² +34% | 2014 |
|---|
| 101, Scotts Road776 m away | 79 m² | 112 m² | +33 m² +42% | 2010 |
|---|
| 38, Northcote Avenue793 m away | 106 m² | 138 m² | +32 m² +30% | 2025 |
|---|
| 94, Ashford Avenue970 m away | 80 m² | 112 m² | +32 m² +40% | 2024 |
|---|
| 40, Hortus Road892 m away | 64 m² | 96 m² | +32 m² +50% | 2023 |
|---|
| 10, Tudor Road628 m away | 99 m² | 131 m² | +32 m² +32% | 2022 |
|---|
| 61, Woodlands Road138 m away | 110 m² | 142 m² | +32 m² +29% | 2014 |
|---|
| 48, Berwick Avenue909 m away | 71 m² | 103 m² | +32 m² +45% | 2014 |
|---|
| 53, Sussex Road780 m away | 57 m² | 88 m² | +31 m² +54% | 2025 |
|---|
| 99, Townsend Road282 m away | 109 m² | 140 m² | +31 m² +28% | 2024 |
|---|
| 71, Tollgate Drive800 m away | 28 m² | 59 m² | +31 m² +111% | 2022 |
|---|
| 47, Bankside307 m away | 61 m² | 92 m² | +31 m² +51% | 2019 |
|---|
| 127, The Broadway593 m away | 40 m² | 71 m² | +31 m² +78% | 2016 |
|---|
| 24, Marlborough Road987 m away | 80 m² | 111 m² | +31 m² +39% | 2014 |
|---|
| 140, Trinity Road109 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 111, West End Road302 m away | 93 m² | 123 m² | +30 m² +32% | 2025 |
|---|
| 7, Alfred Gardens675 m away | 90 m² | 120 m² | +30 m² +33% | 2025 |
|---|
| 93, Trinity Road225 m away | 91 m² | 121 m² | +30 m² +33% | 2023 |
|---|
| 38, Abbotts Road493 m away | 113 m² | 143 m² | +30 m² +27% | 2023 |
|---|
| 143, Queens Road565 m away | 89 m² | 119 m² | +30 m² +34% | 2023 |
|---|
| 30, Northcote Avenue742 m away | 108 m² | 138 m² | +30 m² +28% | 2023 |
|---|
| 20, Beaconsfield Road701 m away | 31 m² | 60 m² | +29 m² +94% | 2023 |
|---|
| 124, St Josephs Drive583 m away | 64 m² | 93 m² | +29 m² +45% | 2020 |
|---|
| 76, Clarence Street628 m away | 57 m² | 86 m² | +29 m² +51% | 2019 |
|---|
| 46, Johnson Street740 m away | 78 m² | 107 m² | +29 m² +37% | 2014 |
|---|
| 10, Grange Road386 m away | 87 m² | 115 m² | +28 m² +32% | 2021 |
|---|
| 74, Clarence Street628 m away | 61 m² | 89 m² | +28 m² +46% | 2020 |
|---|
| 21, Park Avenue920 m away | 56 m² | 84 m² | +28 m² +50% | 2014 |
|---|
| 99, Ashford Avenue970 m away | 66 m² | 94 m² | +28 m² +42% | 2014 |
|---|
| 1, Oswald Road580 m away | 70 m² | 98 m² | +28 m² +40% | 2013 |
|---|
| 39, Hartington Road604 m away | 80 m² | 107 m² | +27 m² +34% | 2026 |
|---|
| 239a, Beaconsfield Road102 m away | 114 m² | 141 m² | +27 m² +24% | 2025 |
|---|
| 29, Queens Road536 m away | 90 m² | 117 m² | +27 m² +30% | 2024 |
|---|
| 47, Hortus Road880 m away | 94 m² | 121 m² | +27 m² +29% | 2024 |
|---|
| 62, Ashford Avenue972 m away | 120 m² | 147 m² | +27 m² +23% | 2024 |
|---|
| 89a, Western Road917 m away | 35 m² | 62 m² | +27 m² +77% | 2022 |
|---|
| 36, St Josephs Drive709 m away | 86 m² | 113 m² | +27 m² +31% | 2020 |
|---|
| 6, Saxon Road683 m away | 139 m² | 166 m² | +27 m² +19% | 2016 |
|---|
| 46, Grange Road386 m away | 96 m² | 122 m² | +26 m² +27% | 2026 |
|---|
| 61, West End Road407 m away | 105 m² | 131 m² | +26 m² +25% | 2026 |
|---|
| 19, St Johns Road844 m away | 91 m² | 117 m² | +26 m² +29% | 2026 |
|---|
| 45, Hortus Road880 m away | 90 m² | 116 m² | +26 m² +29% | 2026 |
|---|
| 84, Oswald Road480 m away | 92 m² | 118 m² | +26 m² +28% | 2025 |
|---|
| 33a, Livingstone Road666 m away | 51 m² | 77 m² | +26 m² +51% | 2025 |
|---|
| 49a, Livingstone Road666 m away | 46 m² | 72 m² | +26 m² +57% | 2024 |
|---|
| 109, Northcote Avenue919 m away | 85 m² | 111 m² | +26 m² +31% | 2024 |
|---|
| 21, Viking Road977 m away | 81 m² | 107 m² | +26 m² +32% | 2024 |
|---|
| 20a, Featherstone Road821 m away | 49 m² | 75 m² | +26 m² +53% | 2023 |
|---|
| 72, Abbotts Road414 m away | 95 m² | 121 m² | +26 m² +27% | 2022 |
|---|
| 15, Brookside Road972 m away | 119 m² | 145 m² | +26 m² +22% | 2022 |
|---|
| 22, Lancaster Road671 m away | 82 m² | 108 m² | +26 m² +32% | 2021 |
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| 92, Scotts Road740 m away | 78 m² | 104 m² | +26 m² +33% | 2019 |
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| 24, Scotts Road758 m away | 86 m² | 112 m² | +26 m² +30% | 2015 |
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| 28, Randolph Road636 m away | 27 m² | 52 m² | +25 m² +93% | 2023 |
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| 3, West End Road407 m away | 94 m² | 119 m² | +25 m² +27% | 2011 |
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| 73, Hambrough Road444 m away | 89 m² | 113 m² | +24 m² +27% | 2024 |
|---|
| 15, Saxon Road692 m away | 81 m² | 105 m² | +24 m² +30% | 2024 |
|---|
| 14, Abbotts Road493 m away | 29 m² | 53 m² | +24 m² +83% | 2023 |
|---|
| 19, Northcote Avenue726 m away | 94 m² | 118 m² | +24 m² +26% | 2021 |
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| 4, Camden Avenue904 m away | 77 m² | 101 m² | +24 m² +31% | 2015 |
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| 162, Beaconsfield Road60 m away | 24 m² | 48 m² | +24 m² +100% | 2010 |
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| 32, Orchard Avenue699 m away | 103 m² | 126 m² | +23 m² +22% | 2024 |
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| 107, Woodlands Road138 m away | 90 m² | 113 m² | +23 m² +26% | 2022 |
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| 40, Spencer Street580 m away | 78 m² | 101 m² | +23 m² +29% | 2020 |
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| 37, Tollgate Drive726 m away | 94 m² | 117 m² | +23 m² +24% | 2019 |
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| 207, Beaconsfield Road59 m away | 94 m² | 116 m² | +22 m² +23% | 2022 |
|---|
| 20, Cerne Close850 m away | 76 m² | 98 m² | +22 m² +29% | 2021 |
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| 31, Gladstone Road630 m away | 85 m² | 107 m² | +22 m² +26% | 2014 |
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| 124, Scotts Road858 m away | 37 m² | 59 m² | +22 m² +59% | 2013 |
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| 26, Waltham Road813 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
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| 88, Woodlands Road208 m away | 99 m² | 120 m² | +21 m² +21% | 2021 |
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| 36, Hortus Road892 m away | 80 m² | 101 m² | +21 m² +26% | 2020 |
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| 95, Queens Road538 m away | 31 m² | 52 m² | +21 m² +68% | 2016 |
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| 72, Kingston Road932 m away | 61 m² | 82 m² | +21 m² +34% | 2016 |
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| 130, Western Road945 m away | 123 m² | 144 m² | +21 m² +17% | 2015 |
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| 55, Saxon Road692 m away | 102 m² | 123 m² | +21 m² +21% | 2013 |
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| 86, Woodlands Road208 m away | 77 m² | 97 m² | +20 m² +26% | 2025 |
|---|
| 20, Woodlands Road336 m away | 91 m² | 111 m² | +20 m² +22% | 2023 |
|---|
| 41, Balfour Road699 m away | 120 m² | 140 m² | +20 m² +17% | 2023 |
|---|
| 32, Lonsdale Road831 m away | 61 m² | 81 m² | +20 m² +33% | 2023 |
|---|
| 67, Kingston Road919 m away | 129 m² | 149 m² | +20 m² +16% | 2022 |
|---|
| 11, Balfour Road746 m away | 78 m² | 98 m² | +20 m² +26% | 2018 |
|---|
| 46, Scotts Road740 m away | 81 m² | 101 m² | +20 m² +25% | 2016 |
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| 111, Clarence Street605 m away | 72 m² | 91 m² | +19 m² +26% | 2025 |
|---|
| 3, Hambrough Road444 m away | 99 m² | 118 m² | +19 m² +19% | 2024 |
|---|
| 68, Clarence Street628 m away | 81 m² | 100 m² | +19 m² +23% | 2024 |
|---|
| 139, Townsend Road207 m away | 79 m² | 98 m² | +19 m² +24% | 2023 |
|---|
| 30, Randolph Road636 m away | 27 m² | 46 m² | +19 m² +70% | 2023 |
|---|
| 10, Bankside417 m away | 77 m² | 96 m² | +19 m² +25% | 2022 |
|---|
| 142, Beaconsfield Road193 m away | 66 m² | 85 m² | +19 m² +29% | 2021 |
|---|
| 90, Abbotts Road414 m away | 104 m² | 123 m² | +19 m² +18% | 2019 |
|---|
| 37, Lonsdale Road831 m away | 63 m² | 82 m² | +19 m² +30% | 2018 |
|---|
| 79, Townsend Road282 m away | 98 m² | 117 m² | +19 m² +19% | 2015 |
|---|
| 4, St Georges Avenue862 m away | 53 m² | 72 m² | +19 m² +36% | 2015 |
|---|
| 21, Florence Road1000 m away | 75 m² | 94 m² | +19 m² +25% | 2015 |
|---|
| 58, Dane Road749 m away | 94 m² | 113 m² | +19 m² +20% | 2014 |
|---|
| 29, Gladstone Road630 m away | 91 m² | 109 m² | +18 m² +20% | 2024 |
|---|
| 61, Tollgate Drive726 m away | 66 m² | 84 m² | +18 m² +27% | 2023 |
|---|
| 28, Hortus Road892 m away | 87 m² | 105 m² | +18 m² +21% | 2021 |
|---|
| 71, Beaconsfield Road414 m away | 73 m² | 91 m² | +18 m² +25% | 2018 |
|---|
| 33, Avenue Road878 m away | 48 m² | 66 m² | +18 m² +38% | 2011 |
|---|
| 2, Scotts Road758 m away | 104 m² | 121 m² | +17 m² +16% | 2026 |
|---|
| 27, Camden Avenue904 m away | 81 m² | 98 m² | +17 m² +21% | 2026 |
|---|
| 90, Ranelagh Road155 m away | 94 m² | 111 m² | +17 m² +18% | 2025 |
|---|
| 21, Hartington Road638 m away | 99 m² | 116 m² | +17 m² +17% | 2025 |
|---|
| 87, Townsend Road282 m away | 103 m² | 120 m² | +17 m² +17% | 2020 |
|---|
| 19, Scotts Road788 m away | 89 m² | 106 m² | +17 m² +19% | 2016 |
|---|
| 89, Queens Road538 m away | 64 m² | 81 m² | +17 m² +27% | 2013 |
|---|
| 29, Northcote Avenue742 m away | 80 m² | 96 m² | +16 m² +20% | 2026 |
|---|
| 80, Johnson Street848 m away | 51 m² | 67 m² | +16 m² +31% | 2026 |
|---|
| 46, Clarence Street689 m away | 76 m² | 92 m² | +16 m² +21% | 2025 |
|---|
| 146, Scotts Road858 m away | 37 m² | 53 m² | +16 m² +43% | 2024 |
|---|
| 23, Derley Road978 m away | 75 m² | 91 m² | +16 m² +21% | 2024 |
|---|
| 17, Abbotts Road522 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
|---|
| 145, Queens Road565 m away | 81 m² | 97 m² | +16 m² +20% | 2023 |
|---|
| 6, Randolph Road636 m away | 34 m² | 50 m² | +16 m² +47% | 2023 |
|---|
| 82a, South Road781 m away | 90 m² | 106 m² | +16 m² +18% | 2023 |
|---|
| 15a, Waltham Road832 m away | 81 m² | 97 m² | +16 m² +20% | 2022 |
|---|
| Lower Maisonette, 7, Church Avenue946 m away | 51 m² | 67 m² | +16 m² +31% | 2022 |
|---|
| 59, Balfour Road699 m away | 73 m² | 89 m² | +16 m² +22% | 2021 |
|---|
| 146, Beaconsfield Road193 m away | 79 m² | 95 m² | +16 m² +20% | 2018 |
|---|
| 70, Saxon Road787 m away | 91 m² | 107 m² | +16 m² +18% | 2017 |
|---|
| 35a, Western Road937 m away | 64 m² | 80 m² | +16 m² +25% | 2016 |
|---|
| 14, West End Road412 m away | 90 m² | 106 m² | +16 m² +18% | 2014 |
|---|
| 143a, Greenland Crescent986 m away | 40 m² | 56 m² | +16 m² +40% | 2014 |
|---|
| 12a, St Johns Road844 m away | 51 m² | 67 m² | +16 m² +31% | 2010 |
|---|
| Sage House, 14, Greenleaf Walk259 m away | 76 m² | 91 m² | +15 m² +20% | 2026 |
|---|
| 1, Marlborough Road987 m away | 66 m² | 81 m² | +15 m² +23% | 2025 |
|---|
| 142, Berwick Avenue951 m away | 46 m² | 61 m² | +15 m² +33% | 2021 |
|---|
| 32, Grange Road386 m away | 61 m² | 76 m² | +15 m² +25% | 2020 |
|---|
| 63, Kingston Road919 m away | 49 m² | 64 m² | +15 m² +31% | 2020 |
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