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 IP4 5HG
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 |
|---|---|---|---|---|
| 610, Foxhall Road501 m away | 92 m² | 190 m² | +98 m² +107% | 2021 |
| 34, Marlborough Road866 m away | 74 m² | 158 m² | +84 m² +114% | 2026 |
| 4, Tolworth Road854 m away | 158 m² | 237 m² | +79 m² +50% | 2014 |
| 33, Heath Road671 m away | 89 m² | 159 m² | +70 m² +79% | 2022 |
| 51, Melbourne Road883 m away | 80 m² | 144 m² | +64 m² +80% | 2021 |
| 51, Glenavon Road981 m away | 90 m² | 154 m² | +64 m² +71% | 2017 |
| 72, Lattice Avenue320 m away | 88 m² | 149 m² | +61 m² +69% | 2015 |
| 35, Adelaide Road761 m away | 80 m² | 141 m² | +61 m² +76% | 2014 |
| 631, Foxhall Road830 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.
| 66 m² |
| 124 m² |
| +58 m² +88% |
| 2016 |
| 31, Bixley Road896 m away | 89 m² | 146 m² | +57 m² +64% | 2023 |
|---|
| 8, St Andrews Close833 m away | 94 m² | 151 m² | +57 m² +61% | 2021 |
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| 30, Westminster Close256 m away | 124 m² | 179 m² | +55 m² +44% | 2020 |
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| 178, Foxhall Road932 m away | 60 m² | 115 m² | +55 m² +92% | 2014 |
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| 121, Henslow Road405 m away | 46 m² | 101 m² | +55 m² +120% | 2011 |
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| 588, Foxhall Road501 m away | 126 m² | 179 m² | +53 m² +42% | 2018 |
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| 106, Bloomfield Street391 m away | 63 m² | 115 m² | +52 m² +83% | 2025 |
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| 471, Foxhall Road276 m away | 144 m² | 195 m² | +51 m² +35% | 2024 |
|---|
| 133, Orwell Road665 m away | 69 m² | 119 m² | +50 m² +72% | 2018 |
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| 82, Newbury Road292 m away | 76 m² | 125 m² | +49 m² +64% | 2024 |
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| 2, Lindsey Road889 m away | 83 m² | 131 m² | +48 m² +58% | 2025 |
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| 62, Reading Road936 m away | 84 m² | 130 m² | +46 m² +55% | 2024 |
|---|
| 20, St Augustine Road999 m away | 54 m² | 100 m² | +46 m² +85% | 2015 |
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| 38, Heath Road716 m away | 86 m² | 130 m² | +44 m² +51% | 2025 |
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| 32, Crofton Road828 m away | 135 m² | 179 m² | +44 m² +33% | 2025 |
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| 185, Britannia Road128 m away | 80 m² | 124 m² | +44 m² +55% | 2023 |
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| 33, Starfield Close440 m away | 79 m² | 123 m² | +44 m² +56% | 2020 |
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| 169, Britannia Road163 m away | 98 m² | 140 m² | +42 m² +43% | 2014 |
|---|
| 1a, Clementine Gardens455 m away | 98 m² | 138 m² | +40 m² +41% | 2021 |
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| 276, Spring Road969 m away | 67 m² | 107 m² | +40 m² +60% | 2020 |
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| 544, Spring Road577 m away | 67 m² | 107 m² | +40 m² +60% | 2014 |
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| 17, Melbourne Road926 m away | 74 m² | 113 m² | +39 m² +53% | 2017 |
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| 839, Woodbridge Road763 m away | 82 m² | 120 m² | +38 m² +46% | 2023 |
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| Meeting House, The Driftway246 m away | 63 m² | 101 m² | +38 m² +60% | 2016 |
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| 1a, Milton Street724 m away | 102 m² | 139 m² | +37 m² +36% | 2025 |
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| 183, Britannia Road128 m away | 81 m² | 117 m² | +36 m² +44% | 2025 |
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| 208, Heath Road818 m away | 43 m² | 79 m² | +36 m² +84% | 2025 |
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| 3, Freehold Road629 m away | 56 m² | 92 m² | +36 m² +64% | 2024 |
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| 31, Ringham Road837 m away | 71 m² | 107 m² | +36 m² +51% | 2018 |
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| 21, Reading Road852 m away | 51 m² | 86 m² | +35 m² +69% | 2024 |
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| 14, Kemball Street562 m away | 81 m² | 115 m² | +34 m² +42% | 2022 |
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| 91, Heath Lane624 m away | 67 m² | 101 m² | +34 m² +51% | 2016 |
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| 4, The Pippins384 m away | 98 m² | 130 m² | +32 m² +33% | 2022 |
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| 247, Heath Road800 m away | 75 m² | 107 m² | +32 m² +43% | 2010 |
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| 275, Heath Road800 m away | 69 m² | 100 m² | +31 m² +45% | 2020 |
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| 63, Schreiber Road976 m away | 76 m² | 107 m² | +31 m² +41% | 2019 |
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| 646, Foxhall Road864 m away | 86 m² | 116 m² | +30 m² +35% | 2020 |
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| 22, St Augustine Road999 m away | 60 m² | 90 m² | +30 m² +50% | 2011 |
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| 43, St Johns Road761 m away | 97 m² | 126 m² | +29 m² +30% | 2026 |
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| 47, Malvern Close883 m away | 77 m² | 106 m² | +29 m² +38% | 2022 |
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| 293, Colchester Road980 m away | 139 m² | 168 m² | +29 m² +21% | 2018 |
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| 235, Heath Road800 m away | 83 m² | 112 m² | +29 m² +35% | 2013 |
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| 128, Heath Road720 m away | 140 m² | 168 m² | +28 m² +20% | 2024 |
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| 57, Ramsgate Drive981 m away | 86 m² | 114 m² | +28 m² +33% | 2022 |
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| 11a, Roy Avenue207 m away | 85 m² | 112 m² | +27 m² +32% | 2023 |
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| 289, Colchester Road980 m away | 126 m² | 153 m² | +27 m² +21% | 2023 |
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| 286, Cauldwell Hall Road678 m away | 81 m² | 108 m² | +27 m² +33% | 2014 |
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| 280, Colchester Road969 m away | 118 m² | 144 m² | +26 m² +22% | 2019 |
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| 12a, Goring Road518 m away | 70 m² | 96 m² | +26 m² +37% | 2015 |
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| 3, Mandy Close640 m away | 69 m² | 95 m² | +26 m² +38% | 2014 |
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| 931, Woodbridge Road679 m away | 68 m² | 93 m² | +25 m² +37% | 2024 |
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| 5, Kirby Close908 m away | 81 m² | 106 m² | +25 m² +31% | 2022 |
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| 126, Dover Road594 m away | 59 m² | 84 m² | +25 m² +42% | 2020 |
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| 470, Foxhall Road354 m away | 64 m² | 89 m² | +25 m² +39% | 2014 |
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| 11, Goring Road518 m away | 85 m² | 109 m² | +24 m² +28% | 2025 |
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| 18, Newbury Road130 m away | 75 m² | 99 m² | +24 m² +32% | 2020 |
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| 7, Princethorpe Road763 m away | 90 m² | 114 m² | +24 m² +27% | 2015 |
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| 55, Gleneagles Drive930 m away | 87 m² | 111 m² | +24 m² +28% | 2014 |
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| 26, Ramsgate Drive987 m away | 52 m² | 76 m² | +24 m² +46% | 2014 |
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| 53, Heath Lane585 m away | 73 m² | 96 m² | +23 m² +32% | 2025 |
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| 41, Crabbe Street629 m away | 126 m² | 149 m² | +23 m² +18% | 2025 |
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| 59, Ramsgate Drive981 m away | 77 m² | 100 m² | +23 m² +30% | 2024 |
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| 313, Colchester Road894 m away | 102 m² | 125 m² | +23 m² +23% | 2023 |
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| 132, Rushmere Road994 m away | 137 m² | 160 m² | +23 m² +17% | 2021 |
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| 27, Pearce Road642 m away | 80 m² | 103 m² | +23 m² +29% | 2016 |
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| 60, Lattice Avenue403 m away | 99 m² | 121 m² | +22 m² +22% | 2026 |
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| 86, Bloomfield Street413 m away | 86 m² | 108 m² | +22 m² +26% | 2026 |
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| 321, Cauldwell Hall Road657 m away | 62 m² | 84 m² | +22 m² +35% | 2024 |
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| 33, Digby Road949 m away | 118 m² | 140 m² | +22 m² +19% | 2023 |
|---|
| 142, Kemball Street570 m away | 79 m² | 101 m² | +22 m² +28% | 2020 |
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| 31, Lattice Avenue539 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
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| 122, Heath Road720 m away | 98 m² | 120 m² | +22 m² +22% | 2019 |
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| 353, Felixstowe Road998 m away | 82 m² | 104 m² | +22 m² +27% | 2019 |
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| 193, Britannia Road128 m away | 80 m² | 102 m² | +22 m² +28% | 2016 |
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| 12, Regina Close0 m away | 80 m² | 102 m² | +22 m² +28% | 2015 |
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| 5, Crabbe Street697 m away | 93 m² | 115 m² | +22 m² +24% | 2015 |
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| 241, Heath Road800 m away | 74 m² | 95 m² | +21 m² +28% | 2026 |
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| 94, Bloomfield Street391 m away | 116 m² | 137 m² | +21 m² +18% | 2024 |
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| 319, Felixstowe Road998 m away | 94 m² | 115 m² | +21 m² +22% | 2021 |
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| 62, Camden Road614 m away | 59 m² | 80 m² | +21 m² +36% | 2020 |
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| 69, Goring Road343 m away | 85 m² | 106 m² | +21 m² +25% | 2017 |
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| 42, Crofton Road736 m away | 113 m² | 133 m² | +20 m² +18% | 2025 |
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| 22, Kirby Street794 m away | 66 m² | 86 m² | +20 m² +30% | 2025 |
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| 12, Geralds Avenue717 m away | 48 m² | 68 m² | +20 m² +42% | 2023 |
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| 27, Geralds Avenue717 m away | 70 m² | 90 m² | +20 m² +29% | 2023 |
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| 26, Britannia Road533 m away | 84 m² | 104 m² | +20 m² +24% | 2022 |
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| 62, Princethorpe Road903 m away | 56 m² | 76 m² | +20 m² +36% | 2020 |
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| 62, Cauldwell Hall Road915 m away | 75 m² | 95 m² | +20 m² +27% | 2020 |
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| 69, Henslow Road332 m away | 76 m² | 96 m² | +20 m² +26% | 2019 |
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| 1, Lyndhurst Avenue538 m away | 76 m² | 96 m² | +20 m² +26% | 2018 |
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| 602, Foxhall Road501 m away | 83 m² | 103 m² | +20 m² +24% | 2014 |
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| 34, Melbourne Road926 m away | 92 m² | 112 m² | +20 m² +22% | 2013 |
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| 31, Ramsgate Drive987 m away | 72 m² | 92 m² | +20 m² +28% | 2013 |
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| 77, Churchill Avenue399 m away | 62 m² | 81 m² | +19 m² +31% | 2026 |
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| 10, Crabbe Street697 m away | 36 m² | 55 m² | +19 m² +53% | 2023 |
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| 55, Darwin Road957 m away | 84 m² | 103 m² | +19 m² +23% | 2023 |
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| 6, Bloomfield Street526 m away | 74 m² | 93 m² | +19 m² +26% | 2021 |
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| 111, Schreiber Road976 m away | 43 m² | 62 m² | +19 m² +44% | 2020 |
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| 41, Upland Road895 m away | 88 m² | 107 m² | +19 m² +22% | 2015 |
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| 515, Foxhall Road276 m away | 94 m² | 112 m² | +18 m² +19% | 2024 |
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| 323, Foxhall Road520 m away | 85 m² | 103 m² | +18 m² +21% | 2023 |
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| 596, Foxhall Road501 m away | 115 m² | 133 m² | +18 m² +16% | 2018 |
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| 9, Chilton Road520 m away | 86 m² | 104 m² | +18 m² +21% | 2015 |
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| 63, Parliament Road219 m away | 65 m² | 83 m² | +18 m² +28% | 2010 |
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| 1b, Clementine Gardens455 m away | 83 m² | 100 m² | +17 m² +20% | 2026 |
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| Flat 1, 45, Marlborough Road866 m away | 51 m² | 68 m² | +17 m² +33% | 2026 |
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| 293, Heath Road800 m away | 83 m² | 100 m² | +17 m² +20% | 2024 |
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| 50, Dover Road427 m away | 83 m² | 100 m² | +17 m² +20% | 2023 |
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| 31, Fuchsia Lane896 m away | 61 m² | 78 m² | +17 m² +28% | 2022 |
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| 21, Orwell Road593 m away | 86 m² | 103 m² | +17 m² +20% | 2019 |
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| 4, Parliament Road219 m away | 58 m² | 75 m² | +17 m² +29% | 2015 |
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| 65, Temple Road873 m away | 64 m² | 80 m² | +16 m² +25% | 2025 |
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| 100, Freehold Road304 m away | 50 m² | 66 m² | +16 m² +32% | 2024 |
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| 36, Pearce Road642 m away | 52 m² | 68 m² | +16 m² +31% | 2023 |
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| 15, Derby Road699 m away | 90 m² | 106 m² | +16 m² +18% | 2023 |
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| 99, Henslow Road405 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 592, Spring Road570 m away | 94 m² | 110 m² | +16 m² +17% | 2021 |
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| 546, Spring Road577 m away | 64 m² | 80 m² | +16 m² +25% | 2021 |
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| 17, Stanley Avenue725 m away | 104 m² | 120 m² | +16 m² +15% | 2019 |
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| 26, Tomline Road809 m away | 56 m² | 72 m² | +16 m² +29% | 2010 |
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| 17, Goring Road518 m away | 90 m² | 105 m² | +15 m² +17% | 2025 |
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| 7, Tasmania Road885 m away | 77 m² | 92 m² | +15 m² +19% | 2024 |
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| 80, Kemball Street556 m away | 67 m² | 82 m² | +15 m² +22% | 2022 |
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| 357a, Felixstowe Road998 m away | 68 m² | 83 m² | +15 m² +22% | 2022 |
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| 72, Woodbridge Road East987 m away | 93 m² | 108 m² | +15 m² +16% | 2020 |
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| 52, Crabbe Street613 m away | 86 m² | 101 m² | +15 m² +17% | 2016 |
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