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 RG30 1BY
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 |
|---|---|---|---|---|
| 127, Elm Park Road649 m away | 82 m² | 200 m² | +118 m² +144% | 2022 |
| 61, Curzon Street187 m away | 82 m² | 187 m² | +105 m² +128% | 2026 |
| 39, Beresford Road179 m away | 93 m² | 175 m² | +82 m² +88% | 2023 |
| 2, Connaught Close653 m away | 116 m² | 191 m² | +75 m² +65% | 2020 |
| 42, Prospect Street672 m away | 74 m² | 141 m² | +67 m² +91% | 2021 |
| 138, Salisbury Road227 m away | 81 m² | 140 m² | +59 m² +73% | 2014 |
| 336, Oxford Road313 m away | 47 m² | 102 m² | +55 m² +117% | 2019 |
| 52, George Street524 m away | 36 m² | 90 m² | +54 m² +150% | 2022 |
| 136, Chatham Street784 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.
| 39 m² |
| 93 m² |
| +54 m² +138% |
| 2017 |
| 73, Brunswick Street899 m away | 41 m² | 92 m² | +51 m² +124% | 2020 |
|---|
| 49, Bedford Road663 m away | 35 m² | 86 m² | +51 m² +146% | 2009 |
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| 150, Elm Park Road660 m away | 37 m² | 87 m² | +50 m² +135% | 2024 |
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| 502, Oxford Road581 m away | 91 m² | 140 m² | +49 m² +54% | 2016 |
|---|
| 135, Elm Park Road649 m away | 68 m² | 116 m² | +48 m² +71% | 2022 |
|---|
| 42, Prince Of Wales Avenue532 m away | 37 m² | 85 m² | +48 m² +130% | 2014 |
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| 68, Brunswick Street876 m away | 67 m² | 115 m² | +48 m² +72% | 2014 |
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| 25, Cambridge Street462 m away | 87 m² | 133 m² | +46 m² +53% | 2022 |
|---|
| 4, Brownlow Lodge, Brownlow Road839 m away | 55 m² | 99 m² | +44 m² +80% | 2022 |
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| 35, Salisbury Road280 m away | 41 m² | 85 m² | +44 m² +107% | 2020 |
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| 14, Clifton Street828 m away | 46 m² | 89 m² | +43 m² +93% | 2019 |
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| 67, Lorne Street623 m away | 94 m² | 136 m² | +42 m² +45% | 2025 |
|---|
| 20, Richmond Road586 m away | 42 m² | 84 m² | +42 m² +100% | 2016 |
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| 30, Prince Of Wales Avenue532 m away | 80 m² | 122 m² | +42 m² +53% | 2015 |
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| 34, Prince Of Wales Avenue532 m away | 40 m² | 81 m² | +41 m² +102% | 2022 |
|---|
| 6, Gloucester Road781 m away | 45 m² | 86 m² | +41 m² +91% | 2022 |
|---|
| 108, Salisbury Road227 m away | 81 m² | 122 m² | +41 m² +51% | 2021 |
|---|
| 3, Cambridge Street462 m away | 86 m² | 125 m² | +39 m² +45% | 2023 |
|---|
| 10, Elm Park Road429 m away | 71 m² | 110 m² | +39 m² +55% | 2022 |
|---|
| 205, Cranbury Road820 m away | 53 m² | 92 m² | +39 m² +74% | 2019 |
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| 27, Prince Of Wales Avenue532 m away | 94 m² | 133 m² | +39 m² +41% | 2009 |
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| 15, Connaught Road400 m away | 73 m² | 110 m² | +37 m² +51% | 2026 |
|---|
| 50, Salisbury Road280 m away | 80 m² | 117 m² | +37 m² +46% | 2015 |
|---|
| 18, Goldsmid Road753 m away | 100 m² | 136 m² | +36 m² +36% | 2025 |
|---|
| 24, Little Street412 m away | 51 m² | 87 m² | +36 m² +71% | 2023 |
|---|
| 48, George Street524 m away | 91 m² | 127 m² | +36 m² +40% | 2020 |
|---|
| 31, George Street566 m away | 65 m² | 101 m² | +36 m² +55% | 2020 |
|---|
| 257, Oxford Road458 m away | 47 m² | 83 m² | +36 m² +77% | 2008 |
|---|
| 3, Connaught Close653 m away | 110 m² | 145 m² | +35 m² +32% | 2025 |
|---|
| 33, Wantage Road604 m away | 87 m² | 122 m² | +35 m² +40% | 2013 |
|---|
| 31, Tilehurst Road792 m away | 34 m² | 69 m² | +35 m² +103% | 2012 |
|---|
| 7, Western Elms Avenue584 m away | 186 m² | 220 m² | +34 m² +18% | 2022 |
|---|
| 57, Charles Street765 m away | 43 m² | 77 m² | +34 m² +79% | 2021 |
|---|
| 4, Bayeux Court, Connaught Road779 m away | 50 m² | 84 m² | +34 m² +68% | 2019 |
|---|
| 46, William Street745 m away | 88 m² | 122 m² | +34 m² +39% | 2014 |
|---|
| 44, George Street524 m away | 50 m² | 83 m² | +33 m² +66% | 2024 |
|---|
| 25, Mason Street458 m away | 103 m² | 135 m² | +32 m² +31% | 2020 |
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| 234, Oxford Road329 m away | 37 m² | 69 m² | +32 m² +86% | 2017 |
|---|
| 2, James Street627 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
|---|
| 39, Wilson Road821 m away | 77 m² | 108 m² | +31 m² +40% | 2025 |
|---|
| 62, Goldsmid Road753 m away | 90 m² | 121 m² | +31 m² +34% | 2024 |
|---|
| 11, Thornton Mews582 m away | 64 m² | 95 m² | +31 m² +48% | 2018 |
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| 1, Valentia Road264 m away | 97 m² | 128 m² | +31 m² +32% | 2017 |
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| 138, Chatham Street784 m away | 39 m² | 70 m² | +31 m² +79% | 2010 |
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| 520, Oxford Road735 m away | 89 m² | 119 m² | +30 m² +34% | 2025 |
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| 10, Sherwood Street590 m away | 78 m² | 108 m² | +30 m² +38% | 2020 |
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| 61, Bedford Road663 m away | 122 m² | 152 m² | +30 m² +25% | 2019 |
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| 114, Belmont Road670 m away | 39 m² | 69 m² | +30 m² +77% | 2009 |
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| 105, Belmont Road659 m away | 77 m² | 106 m² | +29 m² +38% | 2026 |
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| 44, Goldsmid Road753 m away | 79 m² | 108 m² | +29 m² +37% | 2025 |
|---|
| 26, William Street745 m away | 106 m² | 135 m² | +29 m² +27% | 2024 |
|---|
| 4, Tofrek Terrace850 m away | 71 m² | 100 m² | +29 m² +41% | 2024 |
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| 32, Lorne Street611 m away | 156 m² | 185 m² | +29 m² +19% | 2022 |
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| 28, Elm Lodge Avenue536 m away | 65 m² | 94 m² | +29 m² +45% | 2019 |
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| 44, Elm Park Road429 m away | 58 m² | 87 m² | +29 m² +50% | 2014 |
|---|
| 23, Russell Street922 m away | 50 m² | 79 m² | +29 m² +58% | 2012 |
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| 27, William Street745 m away | 25 m² | 54 m² | +29 m² +116% | 2009 |
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| 31, Cambridge Street462 m away | 91 m² | 119 m² | +28 m² +31% | 2026 |
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| 19, Kensington Road493 m away | 81 m² | 109 m² | +28 m² +35% | 2026 |
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| 105, Cardiff Road901 m away | 77 m² | 105 m² | +28 m² +36% | 2024 |
|---|
| 32, Mason Street458 m away | 24 m² | 52 m² | +28 m² +117% | 2020 |
|---|
| 16, Rutland Road826 m away | 65 m² | 93 m² | +28 m² +43% | 2020 |
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| 94, Wantage Road778 m away | 122 m² | 150 m² | +28 m² +23% | 2018 |
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| 59, Lorne Street623 m away | 90 m² | 118 m² | +28 m² +31% | 2014 |
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| 72, Tilehurst Road805 m away | 81 m² | 109 m² | +28 m² +35% | 2013 |
|---|
| 17, Mason Street458 m away | 39 m² | 67 m² | +28 m² +72% | 2008 |
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| 103, Curzon Street187 m away | 84 m² | 111 m² | +27 m² +32% | 2025 |
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| 85, Kensington Road493 m away | 108 m² | 135 m² | +27 m² +25% | 2025 |
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| 6, James Street627 m away | 82 m² | 109 m² | +27 m² +33% | 2025 |
|---|
| 16, Suffolk Road845 m away | 83 m² | 110 m² | +27 m² +33% | 2013 |
|---|
| 104, Elm Park897 m away | 59 m² | 85 m² | +26 m² +44% | 2022 |
|---|
| 5, Cannon Street455 m away | 38 m² | 63 m² | +25 m² +66% | 2019 |
|---|
| 29, Cambridge Street462 m away | 35 m² | 60 m² | +25 m² +71% | 2017 |
|---|
| 633, Oxford Road987 m away | 39 m² | 64 m² | +25 m² +64% | 2014 |
|---|
| 13, Salisbury Road328 m away | 81 m² | 106 m² | +25 m² +31% | 2011 |
|---|
| Flat 2, 180, Wantage Road983 m away | 47 m² | 71 m² | +24 m² +51% | 2026 |
|---|
| 83, Catherine Street239 m away | 80 m² | 104 m² | +24 m² +30% | 2024 |
|---|
| 33, Argyle Road680 m away | 84 m² | 108 m² | +24 m² +29% | 2024 |
|---|
| 7, Prospect Street691 m away | 138 m² | 162 m² | +24 m² +17% | 2023 |
|---|
| 65, Kensington Road493 m away | 48 m² | 72 m² | +24 m² +50% | 2022 |
|---|
| 59, Wantage Road745 m away | 103 m² | 127 m² | +24 m² +23% | 2021 |
|---|
| 13, Cranbury Road474 m away | 93 m² | 117 m² | +24 m² +26% | 2020 |
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| 10, Wantage Road643 m away | 125 m² | 149 m² | +24 m² +19% | 2020 |
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| 3, Norfolk Road792 m away | 27 m² | 51 m² | +24 m² +89% | 2017 |
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| 86, Josephine Court, Southcote Road862 m away | 20 m² | 44 m² | +24 m² +120% | 2013 |
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| 75, Baker Street876 m away | 158 m² | 182 m² | +24 m² +15% | 2013 |
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| 39, Salisbury Road280 m away | 86 m² | 109 m² | +23 m² +27% | 2026 |
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| 60, Wantage Road778 m away | 86 m² | 109 m² | +23 m² +27% | 2026 |
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| 26, Gloucester Road781 m away | 99 m² | 122 m² | +23 m² +23% | 2023 |
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| 64, Salisbury Road280 m away | 75 m² | 98 m² | +23 m² +31% | 2022 |
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| Flat 1, 17, Lundy Lane998 m away | 20 m² | 43 m² | +23 m² +115% | 2022 |
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| 2, Curzon Street229 m away | 41 m² | 64 m² | +23 m² +56% | 2020 |
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| 130, Chatham Street784 m away | 27 m² | 50 m² | +23 m² +85% | 2013 |
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| 22, Waylen Street984 m away | 71 m² | 94 m² | +23 m² +32% | 2011 |
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| 203, Oxford Road707 m away | 43 m² | 66 m² | +23 m² +53% | 2008 |
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| 10, Connaught Road413 m away | 85 m² | 107 m² | +22 m² +26% | 2025 |
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| 29, Edinburgh Road417 m away | 61 m² | 83 m² | +22 m² +36% | 2024 |
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| 40, Norfolk Road816 m away | 79 m² | 101 m² | +22 m² +28% | 2024 |
|---|
| 77, Curzon Street187 m away | 84 m² | 106 m² | +22 m² +26% | 2021 |
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| 7, Cambridge Street462 m away | 71 m² | 93 m² | +22 m² +31% | 2021 |
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| Flat 5, 28, Argyle Street540 m away | 25 m² | 47 m² | +22 m² +88% | 2011 |
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| 25, Curzon Street229 m away | 80 m² | 101 m² | +21 m² +26% | 2026 |
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| Flat 5, 92, Connaught Road658 m away | 43 m² | 64 m² | +21 m² +49% | 2026 |
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| 113, Belmont Road659 m away | 69 m² | 90 m² | +21 m² +30% | 2025 |
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| 36, Bedford Road693 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
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| 7, Gower Street399 m away | 74 m² | 95 m² | +21 m² +28% | 2022 |
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| 49, George Street566 m away | 85 m² | 106 m² | +21 m² +25% | 2022 |
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| 4, Stanley Grove541 m away | 89 m² | 110 m² | +21 m² +24% | 2021 |
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| 133, Elm Park Road649 m away | 61 m² | 82 m² | +21 m² +34% | 2021 |
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| 210, Cranbury Road820 m away | 88 m² | 109 m² | +21 m² +24% | 2021 |
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| 13, Albany Road420 m away | 69 m² | 90 m² | +21 m² +30% | 2020 |
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| 647, Oxford Road987 m away | 42 m² | 63 m² | +21 m² +50% | 2017 |
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| 5, Mason Street458 m away | 27 m² | 48 m² | +21 m² +78% | 2016 |
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| 14, Sherwood Street590 m away | 71 m² | 92 m² | +21 m² +30% | 2013 |
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| 1, Brunswick Hill567 m away | 39 m² | 60 m² | +21 m² +54% | 2009 |
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| 77, Audley Street120 m away | 82 m² | 102 m² | +20 m² +24% | 2025 |
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| 20, Thornton Mews582 m away | 72 m² | 92 m² | +20 m² +28% | 2020 |
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| Flat H, Gordon Lodge, 53, Brunswick Hill680 m away | 46 m² | 66 m² | +20 m² +43% | 2020 |
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| Flat 4, 126, Oxford Road735 m away | 22 m² | 42 m² | +20 m² +91% | 2020 |
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| 47, Salisbury Road280 m away | 74 m² | 94 m² | +20 m² +27% | 2016 |
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| 91, Norfolk Road792 m away | 83 m² | 102 m² | +19 m² +23% | 2025 |
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| 85, Elm Park934 m away | 40 m² | 59 m² | +19 m² +48% | 2024 |
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| 4, Deepdene Close712 m away | 109 m² | 128 m² | +19 m² +17% | 2023 |
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| 26, Albany Road422 m away | 38 m² | 57 m² | +19 m² +50% | 2022 |
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| Flat 3, 24 - 28, Chester Street531 m away | 55 m² | 74 m² | +19 m² +35% | 2022 |
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| 74, Elm Park Road429 m away | 74 m² | 93 m² | +19 m² +26% | 2019 |
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| 328, Oxford Road313 m away | 30 m² | 49 m² | +19 m² +63% | 2018 |
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| 149, Oxford Road824 m away | 64 m² | 83 m² | +19 m² +30% | 2018 |
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| 1, Fulmead Road616 m away | 107 m² | 126 m² | +19 m² +18% | 2017 |
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| 629, Oxford Road987 m away | 15 m² | 34 m² | +19 m² +127% | 2017 |
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| 342a, Oxford Road313 m away | 59 m² | 78 m² | +19 m² +32% | 2013 |
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| 70, Josephine Court, Southcote Road862 m away | 41 m² | 60 m² | +19 m² +46% | 2013 |
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| 33, Russell Street922 m away | 47 m² | 66 m² | +19 m² +40% | 2013 |
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| 103, Elm Park Road649 m away | 63 m² | 81 m² | +18 m² +29% | 2026 |
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| Flat 8, Skelton Court, Connaught Road761 m away | 48 m² | 66 m² | +18 m² +38% | 2026 |
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| 273, Oxford Road458 m away | 55 m² | 73 m² | +18 m² +33% | 2022 |
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| 5, Deepdene Close712 m away | 91 m² | 109 m² | +18 m² +20% | 2022 |
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| 51, Norfolk Road792 m away | 105 m² | 123 m² | +18 m² +17% | 2021 |
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| 50, Albany Road422 m away | 55 m² | 73 m² | +18 m² +33% | 2020 |
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| 37, August End910 m away | 38 m² | 56 m² | +18 m² +47% | 2020 |
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| 7, Josephine Court, Southcote Road954 m away | 38 m² | 56 m² | +18 m² +47% | 2017 |
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| Flat A, 471 - 473, Oxford Road479 m away | 55 m² | 73 m² | +18 m² +33% | 2013 |
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| Flat 4, 51, Argyle Road680 m away | 55 m² | 73 m² | +18 m² +33% | 2011 |
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| 26, Elm Park Road429 m away | 67 m² | 84 m² | +17 m² +25% | 2025 |
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| 31, Battle Street602 m away | 92 m² | 109 m² | +17 m² +18% | 2024 |
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| 80, Salisbury Road227 m away | 83 m² | 100 m² | +17 m² +20% | 2023 |
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| 19, Bedford Road683 m away | 60 m² | 77 m² | +17 m² +28% | 2021 |
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| 51, Sherwood Street703 m away | 72 m² | 89 m² | +17 m² +24% | 2019 |
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| 54, Elm Park897 m away | 68 m² | 85 m² | +17 m² +25% | 2012 |
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| Flat 3, 13, Tilehurst Road792 m away | 44 m² | 60 m² | +16 m² +36% | 2025 |
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| 11, Clifton Street828 m away | 93 m² | 109 m² | +16 m² +17% | 2025 |
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| 2, Stratheden Place888 m away | 54 m² | 70 m² | +16 m² +30% | 2025 |
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| 16, Reservoir Crescent921 m away | 76 m² | 92 m² | +16 m² +21% | 2025 |
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| 9, Thornton Road689 m away | 71 m² | 87 m² | +16 m² +23% | 2024 |
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| 7, Charles Street765 m away | 92 m² | 108 m² | +16 m² +17% | 2024 |
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| Flat 3, 158, Wilson Road907 m away | 40 m² | 56 m² | +16 m² +40% | 2024 |
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| Flat 2, 116, Connaught Road658 m away | 50 m² | 66 m² | +16 m² +32% | 2023 |
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| 631, Oxford Road987 m away | 34 m² | 50 m² | +16 m² +47% | 2021 |
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| 11, Artillery Mews873 m away | 37 m² | 53 m² | +16 m² +43% | 2020 |
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| 14, Kent Road841 m away | 38 m² | 54 m² | +16 m² +42% | 2019 |
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| 31, William Street745 m away | 47 m² | 63 m² | +16 m² +34% | 2018 |
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| 19, Western Road888 m away | 69 m² | 85 m² | +16 m² +23% | 2018 |
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| 124, Tilehurst Road890 m away | 56 m² | 72 m² | +16 m² +29% | 2018 |
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| 3b, Valentia Road264 m away | 44 m² | 60 m² | +16 m² +36% | 2014 |
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| 64, Josephine Court, Southcote Road862 m away | 44 m² | 60 m² | +16 m² +36% | 2013 |
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| 29, Downshire Square990 m away | 71 m² | 87 m² | +16 m² +23% | 2013 |
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| 167, Elm Park Road649 m away | 96 m² | 111 m² | +15 m² +16% | 2025 |
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| 26, Clifton Street828 m away | 94 m² | 109 m² | +15 m² +16% | 2023 |
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| 15, Ormsby Street481 m away | 83 m² | 98 m² | +15 m² +18% | 2022 |
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| 3, Johannes Court, Southcote Road879 m away | 70 m² | 85 m² | +15 m² +21% | 2022 |
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| 96, Albany Road422 m away | 42 m² | 57 m² | +15 m² +36% | 2021 |
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| 12, Wilton Road599 m away | 72 m² | 87 m² | +15 m² +21% | 2021 |
|---|
| 134, Elm Park Road660 m away | 79 m² | 94 m² | +15 m² +19% | 2020 |
|---|
| 28, George Street524 m away | 41 m² | 56 m² | +15 m² +37% | 2019 |
|---|
| 46, Josephine Court, Southcote Road954 m away | 45 m² | 60 m² | +15 m² +33% | 2019 |
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| 498, Oxford Road581 m away | 98 m² | 113 m² | +15 m² +15% | 2017 |
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| 12, Baron Court668 m away | 37 m² | 52 m² | +15 m² +41% | 2017 |
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| 119, Sherwood Street804 m away | 30 m² | 45 m² | +15 m² +50% | 2017 |
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| 3, Beacon Court, Southcote Road818 m away | 48 m² | 63 m² | +15 m² +31% | 2015 |
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