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 RG1 7PA
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 |
|---|---|---|---|---|
| 15, Coley Hill873 m away | 107 m² | 256 m² | +149 m² +139% | 2025 |
| 127, Elm Park Road782 m away | 82 m² | 200 m² | +118 m² +144% | 2022 |
| 61, Curzon Street531 m away | 82 m² | 187 m² | +105 m² +128% | 2026 |
| 39, Beresford Road364 m away | 93 m² | 175 m² | +82 m² +88% | 2023 |
| 2, Connaught Close763 m away | 116 m² | 191 m² | +75 m² +65% | 2020 |
| 42, Prospect Street316 m away | 74 m² | 141 m² | +67 m² +91% | 2021 |
| 17, Heritage Court, Castle Hill723 m away | 46 m² | 107 m² | +61 m² +133% | 2021 |
| 4a, Coley Avenue928 m away | 158 m² | 217 m² | +59 m² +37% | 2019 |
| 138, Salisbury Road235 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.
| 81 m² |
| 140 m² |
| +59 m² +73% |
| 2014 |
| 336, Oxford Road652 m away | 47 m² | 102 m² | +55 m² +117% | 2019 |
|---|
| 52, George Street64 m away | 36 m² | 90 m² | +54 m² +150% | 2022 |
|---|
| 136, Chatham Street322 m away | 39 m² | 93 m² | +54 m² +138% | 2017 |
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| 205, Caversham Road993 m away | 54 m² | 107 m² | +53 m² +98% | 2017 |
|---|
| 32, Carey Street722 m away | 80 m² | 132 m² | +52 m² +65% | 2022 |
|---|
| 73, Brunswick Street722 m away | 41 m² | 92 m² | +51 m² +124% | 2020 |
|---|
| 49, Bedford Road202 m away | 35 m² | 86 m² | +51 m² +146% | 2009 |
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| 150, Elm Park Road804 m away | 37 m² | 87 m² | +50 m² +135% | 2024 |
|---|
| 123, Caversham Road971 m away | 73 m² | 123 m² | +50 m² +68% | 2010 |
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| 135, Elm Park Road782 m away | 68 m² | 116 m² | +48 m² +71% | 2022 |
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| 68, Brunswick Street714 m away | 67 m² | 115 m² | +48 m² +72% | 2014 |
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| 42, Prince Of Wales Avenue717 m away | 37 m² | 85 m² | +48 m² +130% | 2014 |
|---|
| 25, Cambridge Street0 m away | 87 m² | 133 m² | +46 m² +53% | 2022 |
|---|
| 4, Brownlow Lodge, Brownlow Road636 m away | 55 m² | 99 m² | +44 m² +80% | 2022 |
|---|
| 35, Salisbury Road216 m away | 41 m² | 85 m² | +44 m² +107% | 2020 |
|---|
| 14, Clifton Street426 m away | 46 m² | 89 m² | +43 m² +93% | 2019 |
|---|
| 67, Lorne Street312 m away | 94 m² | 136 m² | +42 m² +45% | 2025 |
|---|
| 20, Richmond Road973 m away | 42 m² | 84 m² | +42 m² +100% | 2016 |
|---|
| 30, Prince Of Wales Avenue717 m away | 80 m² | 122 m² | +42 m² +53% | 2015 |
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| 34, Prince Of Wales Avenue717 m away | 40 m² | 81 m² | +41 m² +102% | 2022 |
|---|
| 6, Gloucester Road911 m away | 45 m² | 86 m² | +41 m² +91% | 2022 |
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| 108, Salisbury Road235 m away | 81 m² | 122 m² | +41 m² +51% | 2021 |
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| 3, Cambridge Street0 m away | 86 m² | 125 m² | +39 m² +45% | 2023 |
|---|
| 10, Elm Park Road687 m away | 71 m² | 110 m² | +39 m² +55% | 2022 |
|---|
| 205, Cranbury Road955 m away | 53 m² | 92 m² | +39 m² +74% | 2019 |
|---|
| 27, Prince Of Wales Avenue717 m away | 94 m² | 133 m² | +39 m² +41% | 2009 |
|---|
| 15, Connaught Road562 m away | 73 m² | 110 m² | +37 m² +51% | 2026 |
|---|
| 50, Salisbury Road216 m away | 80 m² | 117 m² | +37 m² +46% | 2015 |
|---|
| 18, Goldsmid Road348 m away | 100 m² | 136 m² | +36 m² +36% | 2025 |
|---|
| 24, Little Street68 m away | 51 m² | 87 m² | +36 m² +71% | 2023 |
|---|
| 48, George Street64 m away | 91 m² | 127 m² | +36 m² +40% | 2020 |
|---|
| 31, George Street106 m away | 65 m² | 101 m² | +36 m² +55% | 2020 |
|---|
| 26, York Road760 m away | 68 m² | 104 m² | +36 m² +53% | 2016 |
|---|
| 257, Oxford Road263 m away | 47 m² | 83 m² | +36 m² +77% | 2008 |
|---|
| 3, Connaught Close763 m away | 110 m² | 145 m² | +35 m² +32% | 2025 |
|---|
| 6a, Howard Street646 m away | 41 m² | 76 m² | +35 m² +85% | 2020 |
|---|
| Bramley, Field Road948 m away | 94 m² | 129 m² | +35 m² +37% | 2015 |
|---|
| 31, Tilehurst Road596 m away | 34 m² | 69 m² | +35 m² +103% | 2012 |
|---|
| 7, Western Elms Avenue553 m away | 186 m² | 220 m² | +34 m² +18% | 2022 |
|---|
| 57, Charles Street306 m away | 43 m² | 77 m² | +34 m² +79% | 2021 |
|---|
| 4, Bayeux Court, Connaught Road835 m away | 50 m² | 84 m² | +34 m² +68% | 2019 |
|---|
| 46, William Street297 m away | 88 m² | 122 m² | +34 m² +39% | 2014 |
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| 11, Field Road948 m away | 96 m² | 130 m² | +34 m² +35% | 2014 |
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| 195, Caversham Road993 m away | 105 m² | 138 m² | +33 m² +31% | 2025 |
|---|
| 44, George Street64 m away | 50 m² | 83 m² | +33 m² +66% | 2024 |
|---|
| Flat 1, 124, Castle Hill801 m away | 45 m² | 78 m² | +33 m² +73% | 2022 |
|---|
| 9, Zinzan Street614 m away | 109 m² | 142 m² | +33 m² +30% | 2016 |
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| 16, Howard Street646 m away | 32 m² | 65 m² | +33 m² +103% | 2009 |
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| 8, Addison Road746 m away | 87 m² | 119 m² | +32 m² +37% | 2026 |
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| 199, Caversham Road993 m away | 105 m² | 137 m² | +32 m² +30% | 2025 |
|---|
| 25, Mason Street52 m away | 103 m² | 135 m² | +32 m² +31% | 2020 |
|---|
| 234, Oxford Road362 m away | 37 m² | 69 m² | +32 m² +86% | 2017 |
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| 2, James Street184 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
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| 19, Denbeigh Place833 m away | 75 m² | 106 m² | +31 m² +41% | 2025 |
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| 62, Goldsmid Road348 m away | 90 m² | 121 m² | +31 m² +34% | 2024 |
|---|
| 7, Portway Close1000 m away | 99 m² | 130 m² | +31 m² +31% | 2019 |
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| 1, Valentia Road592 m away | 97 m² | 128 m² | +31 m² +32% | 2017 |
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| 1, Sackville Street710 m away | 36 m² | 67 m² | +31 m² +86% | 2011 |
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| 138, Chatham Street322 m away | 39 m² | 70 m² | +31 m² +79% | 2010 |
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| 61, Bedford Road202 m away | 122 m² | 152 m² | +30 m² +25% | 2019 |
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| 108, Addison Road848 m away | 86 m² | 116 m² | +30 m² +35% | 2014 |
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| 114, Belmont Road842 m away | 39 m² | 69 m² | +30 m² +77% | 2009 |
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| 105, Belmont Road822 m away | 77 m² | 106 m² | +29 m² +38% | 2026 |
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| 44, Goldsmid Road348 m away | 79 m² | 108 m² | +29 m² +37% | 2025 |
|---|
| 26, William Street297 m away | 106 m² | 135 m² | +29 m² +27% | 2024 |
|---|
| 32, Lorne Street323 m away | 156 m² | 185 m² | +29 m² +19% | 2022 |
|---|
| 28, Elm Lodge Avenue913 m away | 65 m² | 94 m² | +29 m² +45% | 2019 |
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| 163 - 165, Caversham Road993 m away | 37 m² | 66 m² | +29 m² +78% | 2018 |
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| Flat 407, Garrard House, 30, Garrard Street959 m away | 35 m² | 64 m² | +29 m² +83% | 2017 |
|---|
| 44, Elm Park Road687 m away | 58 m² | 87 m² | +29 m² +50% | 2014 |
|---|
| 23, Russell Street488 m away | 50 m² | 79 m² | +29 m² +58% | 2012 |
|---|
| 27, William Street297 m away | 25 m² | 54 m² | +29 m² +116% | 2009 |
|---|
| 31, Cambridge Street0 m away | 91 m² | 119 m² | +28 m² +31% | 2026 |
|---|
| 19, Kensington Road811 m away | 81 m² | 109 m² | +28 m² +35% | 2026 |
|---|
| 105, Cardiff Road599 m away | 77 m² | 105 m² | +28 m² +36% | 2024 |
|---|
| 32, Mason Street52 m away | 24 m² | 52 m² | +28 m² +117% | 2020 |
|---|
| 59, Lorne Street312 m away | 90 m² | 118 m² | +28 m² +31% | 2014 |
|---|
| 72, Tilehurst Road899 m away | 81 m² | 109 m² | +28 m² +35% | 2013 |
|---|
| 17, Mason Street52 m away | 39 m² | 67 m² | +28 m² +72% | 2008 |
|---|
| 11, Randolph Road933 m away | 91 m² | 118 m² | +27 m² +30% | 2026 |
|---|
| 6, James Street184 m away | 82 m² | 109 m² | +27 m² +33% | 2025 |
|---|
| 103, Curzon Street531 m away | 84 m² | 111 m² | +27 m² +32% | 2025 |
|---|
| 85, Kensington Road811 m away | 108 m² | 135 m² | +27 m² +25% | 2025 |
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| 10, Zinzan Street586 m away | 108 m² | 135 m² | +27 m² +25% | 2023 |
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| 53, Waylen Street562 m away | 42 m² | 67 m² | +25 m² +60% | 2024 |
|---|
| 5, Cannon Street187 m away | 38 m² | 63 m² | +25 m² +66% | 2019 |
|---|
| 29, Cambridge Street0 m away | 35 m² | 60 m² | +25 m² +71% | 2017 |
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| 26, Anstey Road741 m away | 28 m² | 53 m² | +25 m² +89% | 2017 |
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| Flat 406, Garrard House, 30, Garrard Street959 m away | 34 m² | 59 m² | +25 m² +74% | 2017 |
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| 13, Salisbury Road232 m away | 81 m² | 106 m² | +25 m² +31% | 2011 |
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| 25, Waylen Street562 m away | 35 m² | 60 m² | +25 m² +71% | 2010 |
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| 5, Newport Road945 m away | 71 m² | 95 m² | +24 m² +34% | 2026 |
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| 33, Argyle Road442 m away | 84 m² | 108 m² | +24 m² +29% | 2024 |
|---|
| 83, Catherine Street494 m away | 80 m² | 104 m² | +24 m² +30% | 2024 |
|---|
| 7, Prospect Street322 m away | 138 m² | 162 m² | +24 m² +17% | 2023 |
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| 65, Kensington Road811 m away | 48 m² | 72 m² | +24 m² +50% | 2022 |
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| 13, Cranbury Road765 m away | 93 m² | 117 m² | +24 m² +26% | 2020 |
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| 75, Baker Street494 m away | 158 m² | 182 m² | +24 m² +15% | 2013 |
|---|
| 86, Josephine Court, Southcote Road816 m away | 20 m² | 44 m² | +24 m² +120% | 2013 |
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| 39, Salisbury Road216 m away | 86 m² | 109 m² | +23 m² +27% | 2026 |
|---|
| Flat C, 11, Castle Crescent946 m away | 46 m² | 69 m² | +23 m² +50% | 2026 |
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| Flat F, 4, Bath Road741 m away | 57 m² | 80 m² | +23 m² +40% | 2024 |
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| 64, Swansea Road907 m away | 82 m² | 105 m² | +23 m² +28% | 2024 |
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| 26, Gloucester Road911 m away | 99 m² | 122 m² | +23 m² +23% | 2023 |
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| 64, Salisbury Road216 m away | 75 m² | 98 m² | +23 m² +31% | 2022 |
|---|
| 2, Curzon Street306 m away | 41 m² | 64 m² | +23 m² +56% | 2020 |
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| 130, Chatham Street322 m away | 27 m² | 50 m² | +23 m² +85% | 2013 |
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| 22, Waylen Street544 m away | 71 m² | 94 m² | +23 m² +32% | 2011 |
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| 203, Oxford Road286 m away | 43 m² | 66 m² | +23 m² +53% | 2008 |
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| 10, Connaught Road589 m away | 85 m² | 107 m² | +22 m² +26% | 2025 |
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| 29, Edinburgh Road512 m away | 61 m² | 83 m² | +22 m² +36% | 2024 |
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| 7, Cambridge Street0 m away | 71 m² | 93 m² | +22 m² +31% | 2021 |
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| 77, Curzon Street531 m away | 84 m² | 106 m² | +22 m² +26% | 2021 |
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| Flat 5, 28, Argyle Street316 m away | 25 m² | 47 m² | +22 m² +88% | 2011 |
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| 10, Howard Street646 m away | 48 m² | 70 m² | +22 m² +46% | 2011 |
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| 25, Curzon Street306 m away | 80 m² | 101 m² | +21 m² +26% | 2026 |
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| Flat 5, 92, Connaught Road738 m away | 43 m² | 64 m² | +21 m² +49% | 2026 |
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| 36, Bedford Road234 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
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| 113, Belmont Road822 m away | 69 m² | 90 m² | +21 m² +30% | 2025 |
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| 49, George Street106 m away | 85 m² | 106 m² | +21 m² +25% | 2022 |
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| 7, Gower Street170 m away | 74 m² | 95 m² | +21 m² +28% | 2022 |
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| 20, Anstey Road741 m away | 86 m² | 107 m² | +21 m² +24% | 2022 |
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| 4, Stanley Grove138 m away | 89 m² | 110 m² | +21 m² +24% | 2021 |
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| 41, Waylen Street562 m away | 120 m² | 141 m² | +21 m² +18% | 2021 |
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| 133, Elm Park Road782 m away | 61 m² | 82 m² | +21 m² +34% | 2021 |
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| 210, Cranbury Road955 m away | 88 m² | 109 m² | +21 m² +24% | 2021 |
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| 13, Albany Road619 m away | 69 m² | 90 m² | +21 m² +30% | 2020 |
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| 22, Field Road948 m away | 82 m² | 103 m² | +21 m² +26% | 2019 |
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| 32, Friar Street905 m away | 17 m² | 38 m² | +21 m² +124% | 2017 |
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| 5, Mason Street52 m away | 27 m² | 48 m² | +21 m² +78% | 2016 |
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| 1, Brunswick Hill396 m away | 39 m² | 60 m² | +21 m² +54% | 2009 |
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| 77, Audley Street490 m away | 82 m² | 102 m² | +20 m² +24% | 2025 |
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| 64 - 65, St Marys Butts890 m away | 53 m² | 73 m² | +20 m² +38% | 2023 |
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| Flat 4, 126, Oxford Road292 m away | 22 m² | 42 m² | +20 m² +91% | 2020 |
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| Flat H, Gordon Lodge, 53, Brunswick Hill551 m away | 46 m² | 66 m² | +20 m² +43% | 2020 |
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| 109, Oxford Road552 m away | 68 m² | 88 m² | +20 m² +29% | 2020 |
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| 10, Field Road948 m away | 82 m² | 102 m² | +20 m² +24% | 2019 |
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| 13, Zinzan Street614 m away | 115 m² | 135 m² | +20 m² +17% | 2018 |
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| 47, Salisbury Road216 m away | 74 m² | 94 m² | +20 m² +27% | 2016 |
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| 4, Deepdene Close507 m away | 109 m² | 128 m² | +19 m² +17% | 2023 |
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| 26, Albany Road639 m away | 38 m² | 57 m² | +19 m² +50% | 2022 |
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| Flat 3, 24 - 28, Chester Street960 m away | 55 m² | 74 m² | +19 m² +35% | 2022 |
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| 6, Blenheim Terrace, Blenheim Place846 m away | 21 m² | 40 m² | +19 m² +90% | 2021 |
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| 29, Newport Road945 m away | 80 m² | 99 m² | +19 m² +24% | 2020 |
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| 74, Elm Park Road687 m away | 74 m² | 93 m² | +19 m² +26% | 2019 |
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| 24, Field Road948 m away | 84 m² | 103 m² | +19 m² +23% | 2019 |
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| 149, Oxford Road380 m away | 64 m² | 83 m² | +19 m² +30% | 2018 |
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| 328, Oxford Road652 m away | 30 m² | 49 m² | +19 m² +63% | 2018 |
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| 33, Russell Street488 m away | 47 m² | 66 m² | +19 m² +40% | 2013 |
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| 342a, Oxford Road652 m away | 59 m² | 78 m² | +19 m² +32% | 2013 |
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| 70, Josephine Court, Southcote Road816 m away | 41 m² | 60 m² | +19 m² +46% | 2013 |
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| 59, Waylen Street562 m away | 20 m² | 39 m² | +19 m² +95% | 2008 |
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| Flat 8, Skelton Court, Connaught Road781 m away | 48 m² | 66 m² | +18 m² +38% | 2026 |
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| 103, Elm Park Road782 m away | 63 m² | 81 m² | +18 m² +29% | 2026 |
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| 119, Caversham Road971 m away | 116 m² | 134 m² | +18 m² +16% | 2026 |
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| 273, Oxford Road263 m away | 55 m² | 73 m² | +18 m² +33% | 2022 |
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| 5, Deepdene Close507 m away | 91 m² | 109 m² | +18 m² +20% | 2022 |
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| 50, Albany Road639 m away | 55 m² | 73 m² | +18 m² +33% | 2020 |
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| 211a, Caversham Road993 m away | 53 m² | 71 m² | +18 m² +34% | 2020 |
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| 44, Newport Road945 m away | 66 m² | 84 m² | +18 m² +27% | 2019 |
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| 7, Josephine Court, Southcote Road901 m away | 38 m² | 56 m² | +18 m² +47% | 2017 |
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| Talbot House, 53 - 55, Baker Street583 m away | 39 m² | 57 m² | +18 m² +46% | 2013 |
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| Flat A, 471 - 473, Oxford Road872 m away | 55 m² | 73 m² | +18 m² +33% | 2013 |
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| Flat 4, 51, Argyle Road442 m away | 55 m² | 73 m² | +18 m² +33% | 2011 |
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| 26, Elm Park Road687 m away | 67 m² | 84 m² | +17 m² +25% | 2025 |
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| 31, Battle Street143 m away | 92 m² | 109 m² | +17 m² +18% | 2024 |
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| 80, Salisbury Road235 m away | 83 m² | 100 m² | +17 m² +20% | 2023 |
|---|
| 18, Anstey Road741 m away | 79 m² | 96 m² | +17 m² +22% | 2022 |
|---|
| 19, Bedford Road234 m away | 60 m² | 77 m² | +17 m² +28% | 2021 |
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| Flat H, 11, Castle Crescent946 m away | 57 m² | 74 m² | +17 m² +30% | 2020 |
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| 45, Field Road948 m away | 65 m² | 82 m² | +17 m² +26% | 2020 |
|---|
| 8, Anstey Road741 m away | 100 m² | 116 m² | +16 m² +16% | 2026 |
|---|
| 11, Clifton Street426 m away | 93 m² | 109 m² | +16 m² +17% | 2025 |
|---|
| 2, Stratheden Place438 m away | 54 m² | 70 m² | +16 m² +30% | 2025 |
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| Flat 1205, Hewitt, 40, Alfred Street558 m away | 42 m² | 58 m² | +16 m² +38% | 2025 |
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| Flat 3, 13, Tilehurst Road596 m away | 44 m² | 60 m² | +16 m² +36% | 2025 |
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| 16, Reservoir Crescent808 m away | 76 m² | 92 m² | +16 m² +21% | 2025 |
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| 7, Charles Street306 m away | 92 m² | 108 m² | +16 m² +17% | 2024 |
|---|
| Flat 2, 116, Connaught Road738 m away | 50 m² | 66 m² | +16 m² +32% | 2023 |
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| 11, Artillery Mews944 m away | 37 m² | 53 m² | +16 m² +43% | 2020 |
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| 31, William Street297 m away | 47 m² | 63 m² | +16 m² +34% | 2018 |
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| 19, Western Road744 m away | 69 m² | 85 m² | +16 m² +23% | 2018 |
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| 3b, Valentia Road592 m away | 44 m² | 60 m² | +16 m² +36% | 2014 |
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| 29, Downshire Square704 m away | 71 m² | 87 m² | +16 m² +23% | 2013 |
|---|
| 64, Josephine Court, Southcote Road816 m away | 44 m² | 60 m² | +16 m² +36% | 2013 |
|---|
| 34, Friar Street905 m away | 17 m² | 33 m² | +16 m² +94% | 2009 |
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| Flat 402, Hewitt, 40, Alfred Street558 m away | 42 m² | 57 m² | +15 m² +36% | 2025 |
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| Flat 302, Hewitt, 40, Alfred Street558 m away | 42 m² | 57 m² | +15 m² +36% | 2025 |
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| 167, Elm Park Road782 m away | 96 m² | 111 m² | +15 m² +16% | 2025 |
|---|
| 26, Field Road948 m away | 89 m² | 104 m² | +15 m² +17% | 2025 |
|---|
| 16, Maltings Place990 m away | 32 m² | 47 m² | +15 m² +47% | 2025 |
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