Finding extended homes…
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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 PO4 9XW
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 |
|---|---|---|---|---|
| 23, Driftwood Gardens548 m away | 158 m² | 263 m² | +105 m² +66% | 2026 |
| 285, Highland Road281 m away | 98 m² | 179 m² | +81 m² +83% | 2015 |
| 33, Locksway Road872 m away | 65 m² | 144 m² | +79 m² +122% | 2013 |
| 22, Lindley Avenue585 m away | 48 m² | 118 m² | +70 m² +146% | 2013 |
| 2, White Cloud Park891 m away | 70 m² | 138 m² | +68 m² +97% | 2020 |
| 145, Prince Albert Road640 m away | 107 m² | 174 m² | +67 m² +63% | 2026 |
| 14, Maxwell Road763 m away | 93 m² | 159 m² | +66 m² +71% | 2016 |
| 89, Landguard Road371 m away | 76 m² | 140 m² | +64 m² +84% | 2015 |
| 25, Burbidge Grove790 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.
| 170 m² |
| 230 m² |
| +60 m² +35% |
| 2026 |
| 10, Dunbar Road629 m away | 40 m² | 98 m² | +58 m² +145% | 2022 |
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| 37, Henderson Road149 m away | 99 m² | 154 m² | +55 m² +56% | 2024 |
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| 8, Cousins Grove836 m away | 177 m² | 231 m² | +54 m² +31% | 2025 |
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| 5, Selsey Avenue628 m away | 76 m² | 130 m² | +54 m² +71% | 2016 |
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| 11, Cromwell Road256 m away | 70 m² | 121 m² | +51 m² +73% | 2025 |
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| 38, Adair Road420 m away | 39 m² | 90 m² | +51 m² +131% | 2013 |
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| 58, Crofton Road965 m away | 83 m² | 133 m² | +50 m² +60% | 2022 |
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| 16, White Cloud Park891 m away | 61 m² | 110 m² | +49 m² +80% | 2020 |
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| 118, Prince Albert Road520 m away | 101 m² | 148 m² | +47 m² +47% | 2025 |
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| 83, Prince Albert Road520 m away | 99 m² | 145 m² | +46 m² +46% | 2024 |
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| 34, Festing Grove912 m away | 185 m² | 231 m² | +46 m² +25% | 2022 |
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| 123, Festing Grove585 m away | 156 m² | 202 m² | +46 m² +29% | 2014 |
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| 122, Winter Road910 m away | 107 m² | 153 m² | +46 m² +43% | 2011 |
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| 99, Mafeking Road928 m away | 89 m² | 134 m² | +45 m² +51% | 2025 |
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| 9, Drysdale Mews132 m away | 65 m² | 110 m² | +45 m² +69% | 2013 |
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| 1, St Anns Road885 m away | 89 m² | 133 m² | +44 m² +49% | 2024 |
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| 16, Highland Terrace914 m away | 63 m² | 105 m² | +42 m² +67% | 2018 |
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| 66, Methuen Road343 m away | 60 m² | 101 m² | +41 m² +68% | 2015 |
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| 158, Westfield Road689 m away | 45 m² | 85 m² | +40 m² +89% | 2025 |
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| 87, Eastney Road352 m away | 95 m² | 135 m² | +40 m² +42% | 2023 |
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| 35, Lidiard Gardens80 m away | 40 m² | 80 m² | +40 m² +100% | 2020 |
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| 9, Milton Park Avenue909 m away | 102 m² | 141 m² | +39 m² +38% | 2026 |
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| 72, Pretoria Road912 m away | 77 m² | 116 m² | +39 m² +51% | 2020 |
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| 47, Collins Road559 m away | 94 m² | 131 m² | +37 m² +39% | 2026 |
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| 52, Hunter Road895 m away | 101 m² | 138 m² | +37 m² +37% | 2024 |
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| Flat 7, West Court, Highland Road521 m away | 45 m² | 82 m² | +37 m² +82% | 2014 |
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| 71, Devonshire Avenue940 m away | 139 m² | 176 m² | +37 m² +27% | 2014 |
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| 103, Devonshire Avenue749 m away | 111 m² | 147 m² | +36 m² +32% | 2023 |
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| 5a, Highland Street478 m away | 63 m² | 99 m² | +36 m² +57% | 2020 |
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| 279, Highland Road281 m away | 35 m² | 71 m² | +36 m² +103% | 2018 |
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| 4, Shirley Avenue758 m away | 103 m² | 138 m² | +35 m² +34% | 2021 |
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| 61, Hunter Road895 m away | 85 m² | 119 m² | +34 m² +40% | 2026 |
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| 127, Haslemere Road985 m away | 87 m² | 121 m² | +34 m² +39% | 2026 |
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| 8, Kassassin Street320 m away | 59 m² | 93 m² | +34 m² +58% | 2023 |
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| Flat 12, West Court, Highland Road521 m away | 48 m² | 82 m² | +34 m² +71% | 2014 |
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| 21, Kimberley Road642 m away | 56 m² | 90 m² | +34 m² +61% | 2014 |
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| 34, Hellyer Road651 m away | 99 m² | 132 m² | +33 m² +33% | 2026 |
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| 10, Hester Road698 m away | 94 m² | 127 m² | +33 m² +35% | 2021 |
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| 140, Eastney Road516 m away | 60 m² | 93 m² | +33 m² +55% | 2020 |
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| 20, Burbidge Grove790 m away | 154 m² | 187 m² | +33 m² +21% | 2015 |
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| Flat 16, West Court, Highland Road521 m away | 49 m² | 82 m² | +33 m² +67% | 2014 |
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| 4, Henderson Road118 m away | 60 m² | 93 m² | +33 m² +55% | 2010 |
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| 146, Essex Road943 m away | 104 m² | 136 m² | +32 m² +31% | 2026 |
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| 77, Mafeking Road928 m away | 61 m² | 93 m² | +32 m² +52% | 2020 |
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| 17, Berney Road802 m away | 75 m² | 107 m² | +32 m² +43% | 2018 |
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| 19, Berney Road802 m away | 73 m² | 105 m² | +32 m² +44% | 2017 |
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| 59, Eastfield Road700 m away | 76 m² | 108 m² | +32 m² +42% | 2016 |
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| Flat 5, West Court, Highland Road521 m away | 48 m² | 80 m² | +32 m² +67% | 2014 |
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| 134, Devonshire Avenue722 m away | 106 m² | 138 m² | +32 m² +30% | 2014 |
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| 94, Cromwell Road256 m away | 60 m² | 91 m² | +31 m² +52% | 2026 |
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| 71, Hollam Road992 m away | 87 m² | 118 m² | +31 m² +36% | 2026 |
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| 36, Highland Street478 m away | 56 m² | 87 m² | +31 m² +55% | 2014 |
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| 3, Milton Park Avenue909 m away | 107 m² | 137 m² | +30 m² +28% | 2025 |
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| 64, Heyshott Road972 m away | 107 m² | 137 m² | +30 m² +28% | 2025 |
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| 241, Devonshire Avenue500 m away | 50 m² | 80 m² | +30 m² +60% | 2014 |
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| Flat 12a, West Court, Highland Road521 m away | 52 m² | 82 m² | +30 m² +58% | 2014 |
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| 8, Bransbury Road387 m away | 100 m² | 129 m² | +29 m² +29% | 2023 |
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| 24, Collins Road539 m away | 56 m² | 85 m² | +29 m² +52% | 2009 |
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| 44, Tredegar Road896 m away | 89 m² | 117 m² | +28 m² +31% | 2025 |
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| Flat 19, West Court, Highland Road521 m away | 52 m² | 80 m² | +28 m² +54% | 2014 |
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| 108, Pretoria Road912 m away | 107 m² | 135 m² | +28 m² +26% | 2013 |
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| 30, Eastney Road206 m away | 71 m² | 98 m² | +27 m² +38% | 2025 |
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| 9, Centurion Gate790 m away | 93 m² | 120 m² | +27 m² +29% | 2025 |
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| 40, Cockleshell Gardens461 m away | 29 m² | 56 m² | +27 m² +93% | 2021 |
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| 112, Devonshire Avenue948 m away | 111 m² | 138 m² | +27 m² +24% | 2015 |
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| 86, Eastfield Road706 m away | 61 m² | 88 m² | +27 m² +44% | 2013 |
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| 66, Winter Road834 m away | 65 m² | 91 m² | +26 m² +40% | 2015 |
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| Flat 10, West Court, Highland Road521 m away | 54 m² | 80 m² | +26 m² +48% | 2014 |
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| 47, Festing Grove841 m away | 124 m² | 149 m² | +25 m² +20% | 2026 |
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| 138, Kingsley Road725 m away | 79 m² | 104 m² | +25 m² +32% | 2024 |
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| 58b, Devonshire Avenue948 m away | 39 m² | 64 m² | +25 m² +64% | 2024 |
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| 12, Fordingbridge Road287 m away | 76 m² | 101 m² | +25 m² +33% | 2021 |
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| 2, Driftwood Gardens548 m away | 165 m² | 190 m² | +25 m² +15% | 2020 |
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| 5, Landguard Road371 m away | 79 m² | 104 m² | +25 m² +32% | 2014 |
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| 235, Devonshire Avenue500 m away | 55 m² | 80 m² | +25 m² +45% | 2014 |
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| 87, Locksway Road883 m away | 76 m² | 100 m² | +24 m² +32% | 2022 |
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| 16, Evans Road831 m away | 76 m² | 100 m² | +24 m² +32% | 2019 |
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| 68, Devonshire Avenue948 m away | 136 m² | 160 m² | +24 m² +18% | 2019 |
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| 203, Devonshire Avenue500 m away | 112 m² | 136 m² | +24 m² +21% | 2014 |
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| 239, Devonshire Avenue500 m away | 56 m² | 80 m² | +24 m² +43% | 2014 |
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| 104, Winter Road910 m away | 121 m² | 144 m² | +23 m² +19% | 2026 |
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| 237, Devonshire Avenue500 m away | 57 m² | 80 m² | +23 m² +40% | 2014 |
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| 21, Heyshott Road972 m away | 116 m² | 138 m² | +22 m² +19% | 2023 |
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| 57, Eastney Road245 m away | 70 m² | 92 m² | +22 m² +31% | 2021 |
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| 63, Adair Road420 m away | 74 m² | 96 m² | +22 m² +30% | 2014 |
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| 30, Ringwood Road272 m away | 85 m² | 107 m² | +22 m² +26% | 2013 |
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| 13, Teddington Road714 m away | 94 m² | 115 m² | +21 m² +22% | 2025 |
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| 4, Hunter Road742 m away | 79 m² | 100 m² | +21 m² +27% | 2024 |
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| 38, Wimborne Road907 m away | 97 m² | 118 m² | +21 m² +22% | 2024 |
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| 30, Kimberley Road670 m away | 82 m² | 103 m² | +21 m² +26% | 2023 |
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| 36, Kassassin Street355 m away | 88 m² | 109 m² | +21 m² +24% | 2020 |
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| 15, Eastney Farm Road459 m away | 95 m² | 116 m² | +21 m² +22% | 2020 |
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| 48, Essex Road659 m away | 95 m² | 116 m² | +21 m² +22% | 2013 |
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| 123, Methuen Road565 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
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| 47, Suffolk Road549 m away | 70 m² | 90 m² | +20 m² +29% | 2022 |
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| 94, Lidiard Gardens85 m away | 90 m² | 110 m² | +20 m² +22% | 2021 |
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| 116, Devonshire Avenue722 m away | 76 m² | 96 m² | +20 m² +26% | 2020 |
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| 4, Glasgow Road524 m away | 74 m² | 94 m² | +20 m² +27% | 2013 |
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| 45, Fort Cumberland Road928 m away | 83 m² | 103 m² | +20 m² +24% | 2013 |
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| 63, Hollam Road992 m away | 79 m² | 99 m² | +20 m² +25% | 2012 |
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| 28, Locksway Road848 m away | 75 m² | 95 m² | +20 m² +27% | 2010 |
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| 182, Prince Albert Road721 m away | 69 m² | 89 m² | +20 m² +29% | 2009 |
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| 112, Prince Albert Road520 m away | 87 m² | 106 m² | +19 m² +22% | 2024 |
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| 28, Oliver Road741 m away | 95 m² | 114 m² | +19 m² +20% | 2022 |
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| 107a, Winter Road949 m away | 49 m² | 68 m² | +19 m² +39% | 2014 |
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| 8, Clegg Road742 m away | 78 m² | 97 m² | +19 m² +24% | 2009 |
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| 55, Crofton Road965 m away | 110 m² | 128 m² | +18 m² +16% | 2025 |
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| 36, Westfield Road420 m away | 59 m² | 77 m² | +18 m² +31% | 2024 |
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| 131, Kingsley Road725 m away | 77 m² | 95 m² | +18 m² +23% | 2023 |
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| 3, Flinders Court87 m away | 117 m² | 135 m² | +18 m² +15% | 2014 |
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| 49, Suffolk Road549 m away | 81 m² | 99 m² | +18 m² +22% | 2013 |
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| 40, Hunter Road895 m away | 83 m² | 101 m² | +18 m² +22% | 2013 |
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| 54, Glasgow Road524 m away | 83 m² | 100 m² | +17 m² +20% | 2025 |
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| 199, Westfield Road677 m away | 84 m² | 101 m² | +17 m² +20% | 2025 |
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| 105, Devonshire Avenue749 m away | 102 m² | 119 m² | +17 m² +17% | 2023 |
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| 130, Locksway Road905 m away | 83 m² | 100 m² | +17 m² +20% | 2015 |
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| 19, Kimberley Road642 m away | 90 m² | 107 m² | +17 m² +19% | 2013 |
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| 100, Methuen Road343 m away | 88 m² | 104 m² | +16 m² +18% | 2026 |
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| 66, Adair Road367 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
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| 3, Adair Road420 m away | 62 m² | 78 m² | +16 m² +26% | 2024 |
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| 10, Winter Road815 m away | 89 m² | 105 m² | +16 m² +18% | 2024 |
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| Flat 2, 139, Highland Road738 m away | 30 m² | 46 m² | +16 m² +53% | 2023 |
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| 82, Essex Road778 m away | 99 m² | 115 m² | +16 m² +16% | 2022 |
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| 19, Dunbar Road629 m away | 93 m² | 109 m² | +16 m² +17% | 2019 |
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| 95, Pretoria Road912 m away | 80 m² | 96 m² | +16 m² +20% | 2019 |
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| 3, Shirley Avenue758 m away | 86 m² | 102 m² | +16 m² +19% | 2014 |
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| 28, Hunter Road742 m away | 81 m² | 97 m² | +16 m² +20% | 2013 |
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| 1, Centurion Gate790 m away | 100 m² | 115 m² | +15 m² +15% | 2025 |
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| 7, Meryl Road958 m away | 69 m² | 84 m² | +15 m² +22% | 2025 |
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| 2, Drysdale Mews132 m away | 97 m² | 112 m² | +15 m² +15% | 2024 |
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| 14, Wainscott Road596 m away | 59 m² | 74 m² | +15 m² +25% | 2024 |
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| 2, Highland Mews739 m away | 81 m² | 96 m² | +15 m² +19% | 2023 |
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| 52, Landguard Road387 m away | 76 m² | 91 m² | +15 m² +20% | 2022 |
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| 63, Locksway Road883 m away | 90 m² | 105 m² | +15 m² +17% | 2022 |
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| 47, Tredegar Road896 m away | 93 m² | 108 m² | +15 m² +16% | 2022 |
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| 174a, Highland Road326 m away | 43 m² | 58 m² | +15 m² +35% | 2019 |
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| 73, Devonshire Avenue940 m away | 97 m² | 112 m² | +15 m² +15% | 2017 |
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| 23, Elizabeth Gardens893 m away | 87 m² | 102 m² | +15 m² +17% | 2014 |
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| 98, Henderson Road118 m away | 78 m² | 93 m² | +15 m² +19% | 2013 |
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| 24, Maurice Road755 m away | 100 m² | 115 m² | +15 m² +15% | 2013 |
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| 120, Landguard Road615 m away | 71 m² | 86 m² | +15 m² +21% | 2010 |
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