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 BA11 1JY
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, Rossiters Road580 m away | 120 m² | 216 m² | +96 m² +80% | 2021 |
| 28, The Retreat816 m away | 290 m² | 359 m² | +69 m² +24% | 2024 |
| Brice House699 m away | 226 m² | 291 m² | +65 m² +29% | 2025 |
| 46, Weymouth Road778 m away | 127 m² | 191 m² | +64 m² +50% | 2019 |
| 10, Whitewell Road520 m away | 43 m² | 104 m² | +61 m² +142% | 2013 |
| Little Orchard, Rossiters Road413 m away | 105 m² | 164 m² | +59 m² +56% | 2026 |
| 7, Sunnyside189 m away | 129 m² | 188 m² | +59 m² +46% | 2018 |
| 17, The Old Brewery, Gentle Street399 m away | 65 m² | 118 m² | +53 m² +82% | 2022 |
| 28a, Christchurch Street East381 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.
| 59 m² |
| 112 m² |
| +53 m² +90% |
| 2020 |
| 15, Garston Road636 m away | 77 m² | 130 m² | +53 m² +69% | 2018 |
|---|
| 34, Nunney Road900 m away | 113 m² | 165 m² | +52 m² +46% | 2024 |
|---|
| 44, Broadway989 m away | 138 m² | 185 m² | +47 m² +34% | 2026 |
|---|
| 78, Weymouth Road765 m away | 249 m² | 295 m² | +46 m² +18% | 2020 |
|---|
| 38, Weymouth Road778 m away | 124 m² | 169 m² | +45 m² +36% | 2019 |
|---|
| 28, Lower Keyford346 m away | 98 m² | 142 m² | +44 m² +45% | 2024 |
|---|
| 40, Weymouth Road778 m away | 134 m² | 176 m² | +42 m² +31% | 2025 |
|---|
| 15, Butts Hill359 m away | 184 m² | 226 m² | +42 m² +23% | 2020 |
|---|
| Flat 7, The Old School, Park Road522 m away | 50 m² | 90 m² | +40 m² +80% | 2011 |
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| 18, Knights Maltings481 m away | 46 m² | 85 m² | +39 m² +85% | 2010 |
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| 53, The Butts523 m away | 96 m² | 134 m² | +38 m² +40% | 2026 |
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| Avalon, Adderwell Close363 m away | 59 m² | 97 m² | +38 m² +64% | 2020 |
|---|
| 6, New Buildings Lane150 m away | 129 m² | 167 m² | +38 m² +29% | 2015 |
|---|
| 11, Henley Way929 m away | 39 m² | 77 m² | +38 m² +97% | 2014 |
|---|
| 27, Victoria Road508 m away | 71 m² | 108 m² | +37 m² +52% | 2013 |
|---|
| 75, Keyford176 m away | 38 m² | 74 m² | +36 m² +95% | 2026 |
|---|
| 48, Alexandra Road276 m away | 142 m² | 178 m² | +36 m² +25% | 2025 |
|---|
| 26, Victoria Road508 m away | 100 m² | 136 m² | +36 m² +36% | 2024 |
|---|
| 13, Somerset Road522 m away | 184 m² | 220 m² | +36 m² +20% | 2023 |
|---|
| 11, Keyford229 m away | 160 m² | 195 m² | +35 m² +22% | 2020 |
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| 41, Adderwell Road346 m away | 85 m² | 120 m² | +35 m² +41% | 2016 |
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| 5, Vallis Way935 m away | 66 m² | 100 m² | +34 m² +52% | 2023 |
|---|
| 8, Albion Place875 m away | 59 m² | 93 m² | +34 m² +58% | 2017 |
|---|
| 84, The Butts664 m away | 99 m² | 132 m² | +33 m² +33% | 2024 |
|---|
| 2, Summer Hill174 m away | 80 m² | 113 m² | +33 m² +41% | 2020 |
|---|
| Flat 2, Montgomery Court, Portway409 m away | 51 m² | 84 m² | +33 m² +65% | 2019 |
|---|
| 23, Somerset Road522 m away | 151 m² | 183 m² | +32 m² +21% | 2023 |
|---|
| 1, Nursery Villas966 m away | 100 m² | 132 m² | +32 m² +32% | 2023 |
|---|
| 85, The Butts640 m away | 94 m² | 126 m² | +32 m² +34% | 2021 |
|---|
| 5, Southfield Way430 m away | 92 m² | 123 m² | +31 m² +34% | 2022 |
|---|
| 3, Fishers Brook689 m away | 75 m² | 106 m² | +31 m² +41% | 2020 |
|---|
| Wallbridge Lodge, Wallbridge791 m away | 163 m² | 194 m² | +31 m² +19% | 2016 |
|---|
| 18, Whitewell Road520 m away | 106 m² | 136 m² | +30 m² +28% | 2025 |
|---|
| 9, Willow Vale716 m away | 87 m² | 117 m² | +30 m² +34% | 2023 |
|---|
| 24, The Grove915 m away | 32 m² | 62 m² | +30 m² +94% | 2021 |
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| 9, St Aldhelms Close993 m away | 59 m² | 89 m² | +30 m² +51% | 2015 |
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| 1, Rossiters Hill256 m away | 124 m² | 153 m² | +29 m² +23% | 2025 |
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| 214, The Butts857 m away | 76 m² | 105 m² | +29 m² +38% | 2020 |
|---|
| 14, Knights Maltings481 m away | 30 m² | 59 m² | +29 m² +97% | 2019 |
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| 36, Nunney Road900 m away | 120 m² | 149 m² | +29 m² +24% | 2016 |
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| Havenleigh House, Garsdale459 m away | 68 m² | 96 m² | +28 m² +41% | 2025 |
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| 12, Knights Maltings481 m away | 30 m² | 58 m² | +28 m² +93% | 2023 |
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| 10, Knights Maltings481 m away | 30 m² | 58 m² | +28 m² +93% | 2021 |
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| 74, Weymouth Road765 m away | 129 m² | 157 m² | +28 m² +22% | 2021 |
|---|
| 22, Green Lane895 m away | 87 m² | 115 m² | +28 m² +32% | 2014 |
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| 16, Garston Mead858 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
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| 52, Butts Hill333 m away | 113 m² | 140 m² | +27 m² +24% | 2025 |
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| 26, Portway497 m away | 86 m² | 113 m² | +27 m² +31% | 2025 |
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| 8, Knights Maltings481 m away | 30 m² | 57 m² | +27 m² +90% | 2022 |
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| 3, Castle Street834 m away | 106 m² | 133 m² | +27 m² +25% | 2016 |
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| 27, Vicarage Street426 m away | 132 m² | 158 m² | +26 m² +20% | 2025 |
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| 84, Weymouth Road765 m away | 147 m² | 173 m² | +26 m² +18% | 2025 |
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| 5, Stourton View754 m away | 87 m² | 113 m² | +26 m² +30% | 2020 |
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| 20, New Buildings274 m away | 66 m² | 92 m² | +26 m² +39% | 2019 |
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| 38, Broadway989 m away | 81 m² | 107 m² | +26 m² +32% | 2018 |
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| 30, Portway497 m away | 149 m² | 175 m² | +26 m² +17% | 2017 |
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| 4, Firwood Road682 m away | 58 m² | 83 m² | +25 m² +43% | 2023 |
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| 26, Tower View606 m away | 90 m² | 115 m² | +25 m² +28% | 2022 |
|---|
| 6, Portway Gardens357 m away | 71 m² | 96 m² | +25 m² +35% | 2020 |
|---|
| 21, Christchurch Street East343 m away | 124 m² | 149 m² | +25 m² +20% | 2017 |
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| The Manse, St Catherine'S Court, Catherine Street736 m away | 65 m² | 90 m² | +25 m² +38% | 2017 |
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| 22, Nunney Road900 m away | 113 m² | 138 m² | +25 m² +22% | 2014 |
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| 22, Sheppards Barton647 m away | 62 m² | 87 m² | +25 m² +40% | 2009 |
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| 59, Catherine Street736 m away | 25 m² | 49 m² | +24 m² +96% | 2023 |
|---|
| 25, Locks Hill399 m away | 154 m² | 178 m² | +24 m² +16% | 2022 |
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| 47, Locks Hill236 m away | 146 m² | 170 m² | +24 m² +16% | 2020 |
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| 32, Dommetts Lane966 m away | 86 m² | 110 m² | +24 m² +28% | 2020 |
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| 6, Butlers Gardens489 m away | 87 m² | 111 m² | +24 m² +28% | 2019 |
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| 68, Weymouth Road765 m away | 121 m² | 145 m² | +24 m² +20% | 2018 |
|---|
| 4, Christchurch Street East404 m away | 105 m² | 129 m² | +24 m² +23% | 2012 |
|---|
| 43, Portway374 m away | 92 m² | 115 m² | +23 m² +25% | 2022 |
|---|
| 33, Victoria Road508 m away | 87 m² | 110 m² | +23 m² +26% | 2015 |
|---|
| 1, St Aldhelms Court, Green Lane941 m away | 50 m² | 72 m² | +22 m² +44% | 2026 |
|---|
| 8, Slipps Close434 m away | 124 m² | 146 m² | +22 m² +18% | 2022 |
|---|
| 20, Nunney Road900 m away | 91 m² | 113 m² | +22 m² +24% | 2022 |
|---|
| 19, Long Ground177 m away | 78 m² | 100 m² | +22 m² +28% | 2020 |
|---|
| 4, The Old Brewery, Gentle Street399 m away | 32 m² | 54 m² | +22 m² +69% | 2020 |
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| 9, Wallbridge Avenue649 m away | 124 m² | 146 m² | +22 m² +18% | 2020 |
|---|
| 22, Tucker Close891 m away | 101 m² | 123 m² | +22 m² +22% | 2018 |
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| Byrlton House, 4, Vallis Way935 m away | 29 m² | 51 m² | +22 m² +76% | 2013 |
|---|
| 5, Keyford Terrace258 m away | 118 m² | 139 m² | +21 m² +18% | 2025 |
|---|
| 27, Summer Hill174 m away | 72 m² | 93 m² | +21 m² +29% | 2023 |
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| 17b, Catherine Hill678 m away | 48 m² | 69 m² | +21 m² +44% | 2023 |
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| 26, Avenue Road589 m away | 83 m² | 104 m² | +21 m² +25% | 2022 |
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| 26, Whittox Lane732 m away | 112 m² | 133 m² | +21 m² +19% | 2015 |
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| Apex House, West End883 m away | 81 m² | 102 m² | +21 m² +26% | 2015 |
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| 23, Victoria Road508 m away | 88 m² | 108 m² | +20 m² +23% | 2019 |
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| 18, Victoria Court, Whitewell Road520 m away | 36 m² | 56 m² | +20 m² +56% | 2019 |
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| 35, Long Ground177 m away | 86 m² | 106 m² | +20 m² +23% | 2018 |
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| 9, High Street694 m away | 73 m² | 93 m² | +20 m² +27% | 2017 |
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| 67, The Butts640 m away | 125 m² | 145 m² | +20 m² +16% | 2016 |
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| 1, Foster Road343 m away | 57 m² | 76 m² | +19 m² +33% | 2022 |
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| 9, Keyford Gardens0 m away | 92 m² | 111 m² | +19 m² +21% | 2021 |
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| 5, Catherine Street Mews783 m away | 52 m² | 71 m² | +19 m² +37% | 2021 |
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| 8b, Willow Vale716 m away | 73 m² | 92 m² | +19 m² +26% | 2019 |
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| 36, Rossiters Road413 m away | 85 m² | 104 m² | +19 m² +22% | 2014 |
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| 12, Foundry Barton894 m away | 82 m² | 101 m² | +19 m² +23% | 2013 |
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| 54, Keyford132 m away | 40 m² | 59 m² | +19 m² +48% | 2008 |
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| 2, North Parade809 m away | 35 m² | 54 m² | +19 m² +54% | 2008 |
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| 65, The Butts640 m away | 100 m² | 118 m² | +18 m² +18% | 2026 |
|---|
| 42, Butts Hill333 m away | 63 m² | 81 m² | +18 m² +29% | 2021 |
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| Flat 10, Montgomery Court, Portway409 m away | 77 m² | 95 m² | +18 m² +23% | 2021 |
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| Rook Lane Cottage, Christchurch Street West529 m away | 107 m² | 125 m² | +18 m² +17% | 2019 |
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| 43, Victoria Road508 m away | 89 m² | 107 m² | +18 m² +20% | 2017 |
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| 5, The Maltings, Bath Street460 m away | 96 m² | 113 m² | +17 m² +18% | 2025 |
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| 16, South Parade599 m away | 99 m² | 116 m² | +17 m² +17% | 2024 |
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| 12, Castle Street834 m away | 87 m² | 104 m² | +17 m² +20% | 2024 |
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| 48, Butts Hill333 m away | 65 m² | 82 m² | +17 m² +26% | 2023 |
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| 51, The Butts523 m away | 95 m² | 112 m² | +17 m² +18% | 2023 |
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| 57, Alexandra Road276 m away | 93 m² | 110 m² | +17 m² +18% | 2022 |
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| 6, Regency Walk765 m away | 59 m² | 76 m² | +17 m² +29% | 2022 |
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| 12, The Old Brewery, Gentle Street399 m away | 101 m² | 118 m² | +17 m² +17% | 2021 |
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| 18, New Buildings Lane150 m away | 110 m² | 127 m² | +17 m² +15% | 2020 |
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| 22, New Buildings274 m away | 67 m² | 84 m² | +17 m² +25% | 2019 |
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| Flat 1, Weavers Court, Whitewell Road732 m away | 31 m² | 48 m² | +17 m² +55% | 2019 |
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| 111, Locks Hill74 m away | 64 m² | 81 m² | +17 m² +27% | 2014 |
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| 8, Butlers Gardens489 m away | 82 m² | 99 m² | +17 m² +21% | 2014 |
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| 11, Nunney Road900 m away | 72 m² | 88 m² | +16 m² +22% | 2024 |
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| 9a, Willow Vale716 m away | 95 m² | 111 m² | +16 m² +17% | 2023 |
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| 15, Green Lane884 m away | 81 m² | 97 m² | +16 m² +20% | 2023 |
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| 7, New Buildings Lane150 m away | 88 m² | 104 m² | +16 m² +18% | 2022 |
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| 11, Alexandra Road262 m away | 90 m² | 106 m² | +16 m² +18% | 2022 |
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| 16, Victoria Road508 m away | 97 m² | 113 m² | +16 m² +16% | 2022 |
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| 3, Richmond Road666 m away | 61 m² | 77 m² | +16 m² +26% | 2020 |
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| 168, The Butts857 m away | 62 m² | 78 m² | +16 m² +26% | 2020 |
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| 3, St Aldhelms Court, Green Lane941 m away | 47 m² | 63 m² | +16 m² +34% | 2020 |
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| 22, Somerset Road522 m away | 45 m² | 61 m² | +16 m² +36% | 2010 |
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| Flat 1, Montgomery Court, Portway409 m away | 70 m² | 85 m² | +15 m² +21% | 2026 |
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| 45, Christchurch Street East315 m away | 51 m² | 66 m² | +15 m² +29% | 2025 |
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| 1, Richmond Road666 m away | 62 m² | 77 m² | +15 m² +24% | 2025 |
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| 5, The Retreat816 m away | 75 m² | 90 m² | +15 m² +20% | 2023 |
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| 5, Keyford Field Cottages, Little Keyford Lane820 m away | 53 m² | 68 m² | +15 m² +28% | 2022 |
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| 11, Salisbury Terrace347 m away | 94 m² | 109 m² | +15 m² +16% | 2020 |
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| 26a, Milk Street899 m away | 92 m² | 107 m² | +15 m² +16% | 2016 |
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| 30, Naishs Street986 m away | 85 m² | 100 m² | +15 m² +18% | 2012 |
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| 61, Keyford132 m away | 32 m² | 47 m² | +15 m² +47% | 2010 |
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