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 PO4 8HH
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 Gardens716 m away | 158 m² | 263 m² | +105 m² +66% | 2026 |
| 285, Highland Road835 m away | 98 m² | 179 m² | +81 m² +83% | 2015 |
| 33, Locksway Road547 m away | 65 m² | 144 m² | +79 m² +122% | 2013 |
| 145, Prince Albert Road654 m away | 107 m² | 174 m² | +67 m² +63% | 2026 |
| 89, Landguard Road699 m away | 76 m² | 140 m² | +64 m² +84% | 2015 |
| 10, Dunbar Road305 m away | 40 m² | 98 m² | +58 m² +145% | 2022 |
| 37, Henderson Road661 m away | 99 m² | 154 m² | +55 m² +56% | 2024 |
| 28, Siskin Road863 m away | 110 m² | 164 m² | +54 m² +49% | 2022 |
| 34, Ferry Road842 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.
| 102 m² |
| 154 m² |
| +52 m² +51% |
| 2015 |
| 11, Cromwell Road917 m away | 70 m² | 121 m² | +51 m² +73% | 2025 |
|---|
| 58, Crofton Road442 m away | 83 m² | 133 m² | +50 m² +60% | 2022 |
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| 118, Prince Albert Road749 m away | 101 m² | 148 m² | +47 m² +47% | 2025 |
|---|
| 74, Lumsden Road798 m away | 77 m² | 124 m² | +47 m² +61% | 2014 |
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| 83, Prince Albert Road749 m away | 99 m² | 145 m² | +46 m² +46% | 2024 |
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| 139, Lumsden Road760 m away | 81 m² | 127 m² | +46 m² +57% | 2014 |
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| 141, Lumsden Road760 m away | 81 m² | 127 m² | +46 m² +57% | 2014 |
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| 46, Lumsden Road837 m away | 81 m² | 127 m² | +46 m² +57% | 2014 |
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| 44, Lumsden Road837 m away | 81 m² | 127 m² | +46 m² +57% | 2014 |
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| 48, Lumsden Road837 m away | 81 m² | 127 m² | +46 m² +57% | 2014 |
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| 34, Lumsden Road837 m away | 81 m² | 127 m² | +46 m² +57% | 2014 |
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| 80, Carisbrooke Road956 m away | 146 m² | 192 m² | +46 m² +32% | 2014 |
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| 122, Winter Road947 m away | 107 m² | 153 m² | +46 m² +43% | 2011 |
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| 143, Lumsden Road760 m away | 82 m² | 127 m² | +45 m² +55% | 2014 |
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| 32, Lumsden Road837 m away | 82 m² | 127 m² | +45 m² +55% | 2014 |
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| 36, Lumsden Road837 m away | 82 m² | 127 m² | +45 m² +55% | 2014 |
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| 9, Drysdale Mews641 m away | 65 m² | 110 m² | +45 m² +69% | 2013 |
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| 34, The Haven873 m away | 81 m² | 125 m² | +44 m² +54% | 2015 |
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| 76, Lumsden Road798 m away | 80 m² | 124 m² | +44 m² +55% | 2014 |
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| 116, Lumsden Road798 m away | 81 m² | 125 m² | +44 m² +54% | 2014 |
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| 127, Lumsden Road760 m away | 81 m² | 124 m² | +43 m² +53% | 2014 |
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| 106, Lumsden Road798 m away | 81 m² | 124 m² | +43 m² +53% | 2014 |
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| 90, Lumsden Road798 m away | 81 m² | 124 m² | +43 m² +53% | 2014 |
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| 120, Lumsden Road798 m away | 81 m² | 124 m² | +43 m² +53% | 2014 |
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| 118, Lumsden Road798 m away | 81 m² | 124 m² | +43 m² +53% | 2014 |
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| 86, Lumsden Road798 m away | 81 m² | 124 m² | +43 m² +53% | 2014 |
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| 88, Lumsden Road798 m away | 82 m² | 124 m² | +42 m² +51% | 2014 |
|---|
| 66, Methuen Road776 m away | 60 m² | 101 m² | +41 m² +68% | 2015 |
|---|
| 50, Siskin Road863 m away | 77 m² | 117 m² | +40 m² +52% | 2025 |
|---|
| 158, Westfield Road895 m away | 45 m² | 85 m² | +40 m² +89% | 2025 |
|---|
| 87, Eastney Road550 m away | 95 m² | 135 m² | +40 m² +42% | 2023 |
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| 27, Carisbrooke Road956 m away | 78 m² | 118 m² | +40 m² +51% | 2021 |
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| 35, Lidiard Gardens719 m away | 40 m² | 80 m² | +40 m² +100% | 2020 |
|---|
| 56, Finch Road717 m away | 80 m² | 120 m² | +40 m² +50% | 2014 |
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| 58, Finch Road717 m away | 80 m² | 120 m² | +40 m² +50% | 2014 |
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| 75, Lumsden Road760 m away | 80 m² | 120 m² | +40 m² +50% | 2014 |
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| 5, Lumsden Road781 m away | 80 m² | 120 m² | +40 m² +50% | 2014 |
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| 52, Lumsden Road837 m away | 80 m² | 120 m² | +40 m² +50% | 2014 |
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| 9, Milton Park Avenue574 m away | 102 m² | 141 m² | +39 m² +38% | 2026 |
|---|
| 29, Hollam Road631 m away | 65 m² | 104 m² | +39 m² +60% | 2015 |
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| 64, Finch Road717 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 60, Finch Road717 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 54, Finch Road717 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 149, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 151, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 147, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 153, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 87, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 159, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 73, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 145, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 77, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 85, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 89, Lumsden Road760 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 3, Lumsden Road781 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 13, Lumsden Road781 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 15, Lumsden Road781 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 17, Lumsden Road781 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 124, Lumsden Road798 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 128, Lumsden Road798 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 140, Lumsden Road798 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 122, Lumsden Road798 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 126, Lumsden Road798 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 134, Lumsden Road798 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 144, Lumsden Road798 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 136, Lumsden Road798 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 2, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 16, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 70, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 62, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 6, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 14, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 50, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 72, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 18, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 68, Lumsden Road837 m away | 81 m² | 120 m² | +39 m² +48% | 2014 |
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| 283, Locksway Road620 m away | 35 m² | 74 m² | +39 m² +111% | 2012 |
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| 62, Finch Road717 m away | 82 m² | 120 m² | +38 m² +46% | 2014 |
|---|
| 157, Lumsden Road760 m away | 83 m² | 120 m² | +37 m² +45% | 2014 |
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| 61, Edgeware Road799 m away | 56 m² | 93 m² | +37 m² +66% | 2010 |
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| 19, Catisfield Road658 m away | 90 m² | 126 m² | +36 m² +40% | 2025 |
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| 14, Mariners Walk811 m away | 81 m² | 117 m² | +36 m² +44% | 2025 |
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| 77d, Meon Road597 m away | 82 m² | 118 m² | +36 m² +44% | 2024 |
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| 103, Devonshire Avenue834 m away | 111 m² | 147 m² | +36 m² +32% | 2023 |
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| 279, Highland Road835 m away | 35 m² | 71 m² | +36 m² +103% | 2018 |
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| 163, Lumsden Road760 m away | 84 m² | 120 m² | +36 m² +43% | 2014 |
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| 19, Crofton Road610 m away | 97 m² | 132 m² | +35 m² +36% | 2022 |
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| 4, Shirley Avenue57 m away | 103 m² | 138 m² | +35 m² +34% | 2021 |
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| 87, Mayles Road625 m away | 94 m² | 129 m² | +35 m² +37% | 2016 |
|---|
| 1, Lumsden Road781 m away | 85 m² | 120 m² | +35 m² +41% | 2014 |
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| 71, Ferry Road842 m away | 87 m² | 121 m² | +34 m² +39% | 2026 |
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| 278, Locksway Road540 m away | 95 m² | 129 m² | +34 m² +36% | 2024 |
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| 8, Kassassin Street936 m away | 59 m² | 93 m² | +34 m² +58% | 2023 |
|---|
| 125, Ferry Road882 m away | 109 m² | 143 m² | +34 m² +31% | 2013 |
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| 10, Hester Road255 m away | 94 m² | 127 m² | +33 m² +35% | 2021 |
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| 36, Eastern Avenue972 m away | 69 m² | 102 m² | +33 m² +48% | 2021 |
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| 140, Eastney Road406 m away | 60 m² | 93 m² | +33 m² +55% | 2020 |
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| 4, Henderson Road675 m away | 60 m² | 93 m² | +33 m² +55% | 2010 |
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| 146, Essex Road849 m away | 104 m² | 136 m² | +32 m² +31% | 2026 |
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| 17, Berney Road57 m away | 75 m² | 107 m² | +32 m² +43% | 2018 |
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| 19, Berney Road57 m away | 73 m² | 105 m² | +32 m² +44% | 2017 |
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| 59, Eastfield Road875 m away | 76 m² | 108 m² | +32 m² +42% | 2016 |
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| 134, Devonshire Avenue838 m away | 106 m² | 138 m² | +32 m² +30% | 2014 |
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| 71, Hollam Road489 m away | 87 m² | 118 m² | +31 m² +36% | 2026 |
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| 94, Cromwell Road917 m away | 60 m² | 91 m² | +31 m² +52% | 2026 |
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| 50, Velder Avenue896 m away | 116 m² | 147 m² | +31 m² +27% | 2024 |
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| 3, Milton Park Avenue574 m away | 107 m² | 137 m² | +30 m² +28% | 2025 |
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| 241, Devonshire Avenue553 m away | 50 m² | 80 m² | +30 m² +60% | 2014 |
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| 3, Plover Reach751 m away | 83 m² | 113 m² | +30 m² +36% | 2013 |
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| 8, Bransbury Road423 m away | 100 m² | 129 m² | +29 m² +29% | 2023 |
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| 4, Eastlake Heights, Horse Sands Close856 m away | 87 m² | 116 m² | +29 m² +33% | 2013 |
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| 9, Skylark Court748 m away | 76 m² | 104 m² | +28 m² +37% | 2023 |
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| 8, Maylands Avenue904 m away | 92 m² | 120 m² | +28 m² +30% | 2013 |
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| 9, Centurion Gate705 m away | 93 m² | 120 m² | +27 m² +29% | 2025 |
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| 30, Eastney Road706 m away | 71 m² | 98 m² | +27 m² +38% | 2025 |
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| 20, Priory Crescent914 m away | 103 m² | 130 m² | +27 m² +26% | 2023 |
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| 40, Cockleshell Gardens435 m away | 29 m² | 56 m² | +27 m² +93% | 2021 |
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| 86, Eastfield Road858 m away | 61 m² | 88 m² | +27 m² +44% | 2013 |
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| 7, Eastlake Heights, Horse Sands Close856 m away | 98 m² | 124 m² | +26 m² +27% | 2024 |
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| 75, Ferry Road842 m away | 26 m² | 52 m² | +26 m² +100% | 2021 |
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| 14, Siskin Road863 m away | 63 m² | 89 m² | +26 m² +41% | 2018 |
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| 138, Kingsley Road108 m away | 79 m² | 104 m² | +25 m² +32% | 2024 |
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| 12, Fordingbridge Road490 m away | 76 m² | 101 m² | +25 m² +33% | 2021 |
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| 2, Driftwood Gardens716 m away | 165 m² | 190 m² | +25 m² +15% | 2020 |
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| 28, Posbrooke Road627 m away | 104 m² | 129 m² | +25 m² +24% | 2018 |
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| 235, Devonshire Avenue553 m away | 55 m² | 80 m² | +25 m² +45% | 2014 |
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| 5, Landguard Road699 m away | 79 m² | 104 m² | +25 m² +32% | 2014 |
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| 87, Locksway Road339 m away | 76 m² | 100 m² | +24 m² +32% | 2022 |
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| 16, Evans Road880 m away | 76 m² | 100 m² | +24 m² +32% | 2019 |
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| 203, Devonshire Avenue553 m away | 112 m² | 136 m² | +24 m² +21% | 2014 |
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| 239, Devonshire Avenue553 m away | 56 m² | 80 m² | +24 m² +43% | 2014 |
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| 104, Winter Road947 m away | 121 m² | 144 m² | +23 m² +19% | 2026 |
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| 10, Seaway Crescent505 m away | 88 m² | 111 m² | +23 m² +26% | 2024 |
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| 60, Carisbrooke Road956 m away | 100 m² | 123 m² | +23 m² +23% | 2022 |
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| 38, Priory Crescent837 m away | 109 m² | 132 m² | +23 m² +21% | 2016 |
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| 237, Devonshire Avenue553 m away | 57 m² | 80 m² | +23 m² +40% | 2014 |
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| 37, Velder Avenue896 m away | 71 m² | 94 m² | +23 m² +32% | 2014 |
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| 50, Meon Road662 m away | 82 m² | 104 m² | +22 m² +27% | 2025 |
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| 12, Euston Road796 m away | 66 m² | 88 m² | +22 m² +33% | 2025 |
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| 58, Moorings Way884 m away | 101 m² | 123 m² | +22 m² +22% | 2025 |
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| 57, Eastney Road648 m away | 70 m² | 92 m² | +22 m² +31% | 2021 |
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| 3, Tern Walk802 m away | 91 m² | 113 m² | +22 m² +24% | 2016 |
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| 30, Ringwood Road535 m away | 85 m² | 107 m² | +22 m² +26% | 2013 |
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| 4, Salterns Avenue981 m away | 75 m² | 97 m² | +22 m² +29% | 2013 |
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| 13, Teddington Road759 m away | 94 m² | 115 m² | +21 m² +22% | 2025 |
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| 40, Priory Crescent837 m away | 139 m² | 160 m² | +21 m² +15% | 2024 |
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| 38, Wimborne Road872 m away | 97 m² | 118 m² | +21 m² +22% | 2024 |
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| 15, Eastney Farm Road365 m away | 95 m² | 116 m² | +21 m² +22% | 2020 |
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| 70, Bonchurch Road838 m away | 89 m² | 110 m² | +21 m² +24% | 2014 |
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| 48, Essex Road528 m away | 95 m² | 116 m² | +21 m² +22% | 2013 |
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| 275, Milton Road733 m away | 110 m² | 130 m² | +20 m² +18% | 2025 |
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| 123, Methuen Road951 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
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| 47, Suffolk Road555 m away | 70 m² | 90 m² | +20 m² +29% | 2022 |
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| 20, Eastern Avenue972 m away | 89 m² | 109 m² | +20 m² +22% | 2022 |
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| 94, Lidiard Gardens789 m away | 90 m² | 110 m² | +20 m² +22% | 2021 |
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| 116, Devonshire Avenue838 m away | 76 m² | 96 m² | +20 m² +26% | 2020 |
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| 4, Glasgow Road323 m away | 74 m² | 94 m² | +20 m² +27% | 2013 |
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| 45, Fort Cumberland Road753 m away | 83 m² | 103 m² | +20 m² +24% | 2013 |
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| 63, Hollam Road489 m away | 79 m² | 99 m² | +20 m² +25% | 2012 |
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| 28, Locksway Road352 m away | 75 m² | 95 m² | +20 m² +27% | 2010 |
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| 182, Prince Albert Road632 m away | 69 m² | 89 m² | +20 m² +29% | 2009 |
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| 264, Locksway Road335 m away | 81 m² | 100 m² | +19 m² +23% | 2026 |
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| 45, Moorings Way912 m away | 64 m² | 83 m² | +19 m² +30% | 2026 |
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| 20, Milebush Road777 m away | 70 m² | 89 m² | +19 m² +27% | 2025 |
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| 46, Vernon Avenue974 m away | 95 m² | 114 m² | +19 m² +20% | 2025 |
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| 112, Prince Albert Road749 m away | 87 m² | 106 m² | +19 m² +22% | 2024 |
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| 22, Catisfield Road658 m away | 89 m² | 108 m² | +19 m² +21% | 2021 |
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| 27, Redwing Court748 m away | 27 m² | 46 m² | +19 m² +70% | 2020 |
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| 107a, Winter Road974 m away | 49 m² | 68 m² | +19 m² +39% | 2014 |
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| 3, Posbrooke Road627 m away | 89 m² | 107 m² | +18 m² +20% | 2026 |
|---|
| 55, Crofton Road442 m away | 110 m² | 128 m² | +18 m² +16% | 2025 |
|---|
| 36, Westfield Road645 m away | 59 m² | 77 m² | +18 m² +31% | 2024 |
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| 131, Kingsley Road108 m away | 77 m² | 95 m² | +18 m² +23% | 2023 |
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| 3, Flinders Court816 m away | 117 m² | 135 m² | +18 m² +15% | 2014 |
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| 49, Suffolk Road555 m away | 81 m² | 99 m² | +18 m² +22% | 2013 |
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| 36, Edgeware Road776 m away | 85 m² | 103 m² | +18 m² +21% | 2011 |
|---|
| 54, Glasgow Road323 m away | 83 m² | 100 m² | +17 m² +20% | 2025 |
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| 199, Westfield Road907 m away | 84 m² | 101 m² | +17 m² +20% | 2025 |
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| 105, Devonshire Avenue834 m away | 102 m² | 119 m² | +17 m² +17% | 2023 |
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| 111, Mayles Road625 m away | 81 m² | 98 m² | +17 m² +21% | 2018 |
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| 130, Locksway Road211 m away | 83 m² | 100 m² | +17 m² +20% | 2015 |
|---|
| 100, Methuen Road776 m away | 88 m² | 104 m² | +16 m² +18% | 2026 |
|---|
| 15, Euston Road796 m away | 89 m² | 105 m² | +16 m² +18% | 2024 |
|---|
| 15, Siskin Road863 m away | 71 m² | 87 m² | +16 m² +23% | 2024 |
|---|
| 66, Adair Road964 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
|---|
| 82, Essex Road693 m away | 99 m² | 115 m² | +16 m² +16% | 2022 |
|---|
| 19, Dunbar Road305 m away | 93 m² | 109 m² | +16 m² +17% | 2019 |
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| 3, Shirley Avenue57 m away | 86 m² | 102 m² | +16 m² +19% | 2014 |
|---|
| 7, Meryl Road204 m away | 69 m² | 84 m² | +15 m² +22% | 2025 |
|---|
| 1, Centurion Gate705 m away | 100 m² | 115 m² | +15 m² +15% | 2025 |
|---|
| 2, Drysdale Mews641 m away | 97 m² | 112 m² | +15 m² +15% | 2024 |
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