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 BS6 5LQ
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 |
|---|---|---|---|---|
| 34, Arley Hill826 m away | 195 m² | 338 m² | +143 m² +73% | 2018 |
| 77, Belmont Road844 m away | 94 m² | 207 m² | +113 m² +120% | 2021 |
| 26, Wathen Road679 m away | 103 m² | 209 m² | +106 m² +103% | 2015 |
| 9, Webb Street812 m away | 106 m² | 205 m² | +99 m² +93% | 2025 |
| 79, Cromwell Road562 m away | 119 m² | 217 m² | +98 m² +82% | 2022 |
| 1, North Road893 m away | 146 m² | 243 m² | +97 m² +66% | 2019 |
| 39, Cromwell Road744 m away | 109 m² | 203 m² | +94 m² +86% | 2015 |
| 28, Picton Street613 m away | 77 m² | 163 m² | +86 m² +112% | 2018 |
| 135, Sefton Park Road977 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.
| 198 m² |
| +79 m² +66% |
| 2023 |
| 5, Denbigh Street456 m away | 52 m² | 129 m² | +77 m² +148% | 2023 |
|---|
| 8, Fairfield Road192 m away | 155 m² | 232 m² | +77 m² +50% | 2014 |
|---|
| 53, Ashley Hill473 m away | 69 m² | 145 m² | +76 m² +110% | 2009 |
|---|
| 32, Walsingham Road600 m away | 111 m² | 186 m² | +75 m² +68% | 2020 |
|---|
| 269, Stapleton Road834 m away | 68 m² | 143 m² | +75 m² +110% | 2011 |
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| 5, Spalding Close860 m away | 99 m² | 170 m² | +71 m² +72% | 2022 |
|---|
| 37, Ashley Hill317 m away | 200 m² | 269 m² | +69 m² +35% | 2022 |
|---|
| 64, Albert Park Place276 m away | 50 m² | 119 m² | +69 m² +138% | 2014 |
|---|
| 11, Ashley Road686 m away | 46 m² | 115 m² | +69 m² +150% | 2008 |
|---|
| 22, Arley Hill772 m away | 133 m² | 200 m² | +67 m² +50% | 2018 |
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| 18, Cromwell Road798 m away | 196 m² | 262 m² | +66 m² +34% | 2025 |
|---|
| 131, Ashley Road207 m away | 220 m² | 285 m² | +65 m² +30% | 2024 |
|---|
| 16, St Andrews Road477 m away | 90 m² | 154 m² | +64 m² +71% | 2023 |
|---|
| 24, Hurlingham Road407 m away | 57 m² | 120 m² | +63 m² +111% | 2022 |
|---|
| Flat 22, Arley Court, 21, Arley Hill784 m away | 74 m² | 133 m² | +59 m² +80% | 2010 |
|---|
| Roxana, 13, Kingsley Road948 m away | 142 m² | 200 m² | +58 m² +41% | 2021 |
|---|
| 7, Campbell Street487 m away | 47 m² | 104 m² | +57 m² +121% | 2022 |
|---|
| 131, Chesterfield Road596 m away | 124 m² | 181 m² | +57 m² +46% | 2011 |
|---|
| 14, Osborne Avenue875 m away | 67 m² | 123 m² | +56 m² +84% | 2022 |
|---|
| 136, Cromwell Road434 m away | 94 m² | 148 m² | +54 m² +57% | 2009 |
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| 115, Belmont Road953 m away | 143 m² | 196 m² | +53 m² +37% | 2025 |
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| 39, St Andrews Road456 m away | 101 m² | 154 m² | +53 m² +52% | 2024 |
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| 33, Burghley Road613 m away | 149 m² | 202 m² | +53 m² +36% | 2024 |
|---|
| Ground Floor Flat, 8, Victoria Walk961 m away | 65 m² | 118 m² | +53 m² +82% | 2022 |
|---|
| 11, West Grove183 m away | 56 m² | 109 m² | +53 m² +95% | 2020 |
|---|
| 13, Osborne Avenue875 m away | 94 m² | 147 m² | +53 m² +56% | 2019 |
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| 17, Nugent Hill961 m away | 100 m² | 153 m² | +53 m² +53% | 2019 |
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| 123, Cromwell Road404 m away | 56 m² | 109 m² | +53 m² +95% | 2016 |
|---|
| 17, St Nicholas Road383 m away | 44 m² | 96 m² | +52 m² +118% | 2014 |
|---|
| 87, City Road583 m away | 52 m² | 104 m² | +52 m² +100% | 2014 |
|---|
| 55, City Road679 m away | 48 m² | 100 m² | +52 m² +108% | 2012 |
|---|
| 5, Victoria Walk961 m away | 57 m² | 109 m² | +52 m² +91% | 2010 |
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| The Cottage, Watercress Road742 m away | 91 m² | 142 m² | +51 m² +56% | 2014 |
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| 8, Kingsley Road948 m away | 53 m² | 104 m² | +51 m² +96% | 2010 |
|---|
| 7, Fairfield Road223 m away | 140 m² | 190 m² | +50 m² +36% | 2024 |
|---|
| 52, Brigstocke Road673 m away | 70 m² | 120 m² | +50 m² +71% | 2015 |
|---|
| 70, Richmond Road440 m away | 47 m² | 97 m² | +50 m² +106% | 2009 |
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| 6, Warminster Road713 m away | 77 m² | 126 m² | +49 m² +64% | 2025 |
|---|
| 45, North Road891 m away | 96 m² | 145 m² | +49 m² +51% | 2023 |
|---|
| 58, City Road694 m away | 156 m² | 205 m² | +49 m² +31% | 2018 |
|---|
| 80, Rousham Road973 m away | 92 m² | 141 m² | +49 m² +53% | 2015 |
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| The Portland House Public House, 123, Bishop Street697 m away | 41 m² | 90 m² | +49 m² +120% | 2013 |
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| 30, Clark Street783 m away | 78 m² | 126 m² | +48 m² +62% | 2022 |
|---|
| 3, St Marks Grove976 m away | 47 m² | 95 m² | +48 m² +102% | 2022 |
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| 80, North Road869 m away | 135 m² | 183 m² | +48 m² +36% | 2016 |
|---|
| 31, Effingham Road764 m away | 154 m² | 201 m² | +47 m² +31% | 2018 |
|---|
| 15, Albert Park235 m away | 45 m² | 90 m² | +45 m² +100% | 2026 |
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| 42, St Werburghs Road476 m away | 88 m² | 133 m² | +45 m² +51% | 2026 |
|---|
| 22, Ashley Road557 m away | 128 m² | 173 m² | +45 m² +35% | 2023 |
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| 9, Tudor Road296 m away | 79 m² | 124 m² | +45 m² +57% | 2021 |
|---|
| 114, Chesterfield Road596 m away | 69 m² | 114 m² | +45 m² +65% | 2009 |
|---|
| 20, Campbell Street487 m away | 46 m² | 90 m² | +44 m² +96% | 2022 |
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| 67, Ashley Hill473 m away | 160 m² | 204 m² | +44 m² +28% | 2020 |
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| 11, Burghley Road613 m away | 159 m² | 203 m² | +44 m² +28% | 2020 |
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| Flat C1, 114, Cotham Brow964 m away | 44 m² | 88 m² | +44 m² +100% | 2016 |
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| 295, Stapleton Road870 m away | 58 m² | 101 m² | +43 m² +74% | 2026 |
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| 23, Chesterfield Road643 m away | 147 m² | 190 m² | +43 m² +29% | 2023 |
|---|
| 69, Upper Cheltenham Place287 m away | 66 m² | 109 m² | +43 m² +65% | 2012 |
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| 118, Richmond Road302 m away | 43 m² | 86 m² | +43 m² +100% | 2009 |
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| 20, Newland Heights, 27, Hurlingham Road374 m away | 68 m² | 110 m² | +42 m² +62% | 2024 |
|---|
| 283, Ashley Down Road715 m away | 89 m² | 131 m² | +42 m² +47% | 2024 |
|---|
| 15, Webb Street812 m away | 80 m² | 122 m² | +42 m² +53% | 2017 |
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| 19, St Werburghs Park638 m away | 72 m² | 114 m² | +42 m² +58% | 2010 |
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| 2, Derby Road875 m away | 91 m² | 132 m² | +41 m² +45% | 2024 |
|---|
| 32, Stokes Croft926 m away | 79 m² | 120 m² | +41 m² +52% | 2018 |
|---|
| 30, Stanley Avenue902 m away | 100 m² | 141 m² | +41 m² +41% | 2016 |
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| 126, Stapleton Road834 m away | 33 m² | 74 m² | +41 m² +124% | 2015 |
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| 7, Portland Heights, Dean Street733 m away | 49 m² | 90 m² | +41 m² +84% | 2013 |
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| 11, Portland Heights, Dean Street733 m away | 49 m² | 90 m² | +41 m² +84% | 2013 |
|---|
| Flat 3, 121, Ashley Road207 m away | 98 m² | 138 m² | +40 m² +41% | 2022 |
|---|
| 8, Derby Road875 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
|---|
| 6, Belmont Street922 m away | 42 m² | 82 m² | +40 m² +95% | 2012 |
|---|
| 14, St Bartholomews Road832 m away | 95 m² | 134 m² | +39 m² +41% | 2020 |
|---|
| 2, Chesterfield Road594 m away | 173 m² | 212 m² | +39 m² +23% | 2019 |
|---|
| 100, North Road869 m away | 101 m² | 140 m² | +39 m² +39% | 2013 |
|---|
| 24, Nicholas Road997 m away | 89 m² | 127 m² | +38 m² +43% | 2025 |
|---|
| 16, Sydenham Lane779 m away | 74 m² | 112 m² | +38 m² +51% | 2022 |
|---|
| Flat 7, Blenheim Court, Blenheim Street729 m away | 44 m² | 82 m² | +38 m² +86% | 2021 |
|---|
| 98, Rousham Road973 m away | 96 m² | 134 m² | +38 m² +40% | 2020 |
|---|
| 36, City Road694 m away | 57 m² | 95 m² | +38 m² +67% | 2019 |
|---|
| 31, Burghley Road613 m away | 92 m² | 130 m² | +38 m² +41% | 2009 |
|---|
| 5, Durham Road391 m away | 76 m² | 113 m² | +37 m² +49% | 2026 |
|---|
| 27, Briavels Grove441 m away | 89 m² | 126 m² | +37 m² +42% | 2026 |
|---|
| 3, Walsingham Road573 m away | 81 m² | 118 m² | +37 m² +46% | 2016 |
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| 76, Sefton Park Road928 m away | 92 m² | 128 m² | +36 m² +39% | 2018 |
|---|
| 75, St Andrews Road379 m away | 48 m² | 84 m² | +36 m² +75% | 2014 |
|---|
| 58, Bath Buildings558 m away | 30 m² | 66 m² | +36 m² +120% | 2012 |
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| 22, Clark Street783 m away | 94 m² | 129 m² | +35 m² +37% | 2024 |
|---|
| 3, Falkland Road276 m away | 55 m² | 90 m² | +35 m² +64% | 2023 |
|---|
| Flat 2, 40, Arley Hill826 m away | 38 m² | 73 m² | +35 m² +92% | 2023 |
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| 46, St Werburghs Road476 m away | 83 m² | 118 m² | +35 m² +42% | 2022 |
|---|
| 54, North Road867 m away | 58 m² | 93 m² | +35 m² +60% | 2020 |
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| 74, Sefton Park Road820 m away | 129 m² | 164 m² | +35 m² +27% | 2019 |
|---|
| 19, Cromwell Road744 m away | 90 m² | 125 m² | +35 m² +39% | 2018 |
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| 58, Richmond Road440 m away | 39 m² | 74 m² | +35 m² +90% | 2017 |
|---|
| 34, Seymour Road744 m away | 153 m² | 188 m² | +35 m² +23% | 2017 |
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| 19, Kensington Park769 m away | 29 m² | 64 m² | +35 m² +121% | 2016 |
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| 17, Hurlingham Road407 m away | 146 m² | 180 m² | +34 m² +23% | 2026 |
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| 321, Ashley Down Road715 m away | 103 m² | 137 m² | +34 m² +33% | 2026 |
|---|
| 32, Richmond Road440 m away | 128 m² | 162 m² | +34 m² +27% | 2025 |
|---|
| 14, Wellington Avenue502 m away | 169 m² | 203 m² | +34 m² +20% | 2025 |
|---|
| 53, Seymour Road740 m away | 148 m² | 182 m² | +34 m² +23% | 2024 |
|---|
| 30, Saxon Road675 m away | 91 m² | 125 m² | +34 m² +37% | 2021 |
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| 272, Ashley Down Road754 m away | 109 m² | 143 m² | +34 m² +31% | 2019 |
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| 8, Zetland Road982 m away | 173 m² | 207 m² | +34 m² +20% | 2017 |
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| 15, Fairlawn Road267 m away | 85 m² | 119 m² | +34 m² +40% | 2015 |
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| 18, Bates Close729 m away | 91 m² | 125 m² | +34 m² +37% | 2013 |
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| 59, Sussex Place95 m away | 48 m² | 82 m² | +34 m² +71% | 2009 |
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| 52, Picton Street613 m away | 37 m² | 71 m² | +34 m² +92% | 2009 |
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| 5, Warminster Road713 m away | 77 m² | 110 m² | +33 m² +43% | 2023 |
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| 15, Richmond Road473 m away | 151 m² | 184 m² | +33 m² +22% | 2022 |
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| 8, Belmont Road748 m away | 178 m² | 211 m² | +33 m² +19% | 2017 |
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| Flat 2, 36, Sefton Park Road820 m away | 37 m² | 70 m² | +33 m² +89% | 2013 |
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| 41, Heron Road976 m away | 76 m² | 109 m² | +33 m² +43% | 2010 |
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| 107, Ashley Road207 m away | 79 m² | 111 m² | +32 m² +41% | 2019 |
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| 414, Armidale Place637 m away | 33 m² | 65 m² | +32 m² +97% | 2019 |
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| 127, Cheltenham Road729 m away | 167 m² | 199 m² | +32 m² +19% | 2017 |
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| 27, Beaumont Street774 m away | 66 m² | 98 m² | +32 m² +48% | 2014 |
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| 89, Sommerville Road806 m away | 52 m² | 84 m² | +32 m² +62% | 2014 |
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| 14, Sefton Park Road820 m away | 31 m² | 63 m² | +32 m² +103% | 2009 |
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| 33, St Werburghs Park638 m away | 94 m² | 125 m² | +31 m² +33% | 2025 |
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| 11, Kensington Park769 m away | 124 m² | 155 m² | +31 m² +25% | 2024 |
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| 16, Tewkesbury Road663 m away | 76 m² | 107 m² | +31 m² +41% | 2023 |
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| 16, Cromwell Road798 m away | 143 m² | 174 m² | +31 m² +22% | 2023 |
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| 11, Shaftesbury Avenue276 m away | 103 m² | 134 m² | +31 m² +30% | 2019 |
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| 149, Cotham Brow929 m away | 56 m² | 87 m² | +31 m² +55% | 2019 |
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| 51, Sussex Place95 m away | 183 m² | 214 m² | +31 m² +17% | 2015 |
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| 52, Stafford Road599 m away | 79 m² | 109 m² | +30 m² +38% | 2025 |
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| 38, Sefton Park Road820 m away | 144 m² | 174 m² | +30 m² +21% | 2025 |
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| 21, Chesterfield Road643 m away | 143 m² | 173 m² | +30 m² +21% | 2019 |
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| 33, Albany Road0 m away | 64 m² | 94 m² | +30 m² +47% | 2011 |
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| 103, North Road893 m away | 42 m² | 72 m² | +30 m² +71% | 2009 |
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| 6, Horley Road546 m away | 89 m² | 118 m² | +29 m² +33% | 2025 |
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| 18, Milverton Gardens312 m away | 68 m² | 97 m² | +29 m² +43% | 2024 |
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| 2, Cleave Street478 m away | 77 m² | 106 m² | +29 m² +38% | 2024 |
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| 15, Conduit Road271 m away | 84 m² | 113 m² | +29 m² +35% | 2022 |
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| 140, Sefton Park Road928 m away | 130 m² | 159 m² | +29 m² +22% | 2022 |
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| 40, Cobourg Road157 m away | 88 m² | 117 m² | +29 m² +33% | 2020 |
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| Cliff House, Clifton Place922 m away | 99 m² | 128 m² | +29 m² +29% | 2020 |
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| Upper Maisonette, 79, Belmont Road953 m away | 70 m² | 99 m² | +29 m² +41% | 2019 |
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| 17, Durbin Walk992 m away | 93 m² | 122 m² | +29 m² +31% | 2018 |
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| 107, Pennywell Road629 m away | 106 m² | 135 m² | +29 m² +27% | 2016 |
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| 18, Campbell Street487 m away | 56 m² | 85 m² | +29 m² +52% | 2014 |
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| 50a, Belvoir Road625 m away | 121 m² | 150 m² | +29 m² +24% | 2009 |
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| 36, Stafford Road599 m away | 80 m² | 108 m² | +28 m² +35% | 2026 |
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| 20, Warminster Road713 m away | 81 m² | 109 m² | +28 m² +35% | 2026 |
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| 2, St Marks Grove976 m away | 109 m² | 137 m² | +28 m² +26% | 2025 |
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| 16, Fairlawn Road267 m away | 121 m² | 149 m² | +28 m² +23% | 2024 |
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| 22, Jubilee Road353 m away | 89 m² | 117 m² | +28 m² +31% | 2024 |
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| 56, Picton Street613 m away | 53 m² | 81 m² | +28 m² +53% | 2024 |
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| 168, Lower Cheltenham Place60 m away | 93 m² | 121 m² | +28 m² +30% | 2022 |
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| 26, Conduit Road271 m away | 80 m² | 108 m² | +28 m² +35% | 2022 |
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| 80, Richmond Road440 m away | 123 m² | 151 m² | +28 m² +23% | 2021 |
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| 90, St Werburghs Park668 m away | 96 m² | 124 m² | +28 m² +29% | 2019 |
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| 105, Sefton Park Road977 m away | 132 m² | 160 m² | +28 m² +21% | 2019 |
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| 89, Effingham Road904 m away | 102 m² | 130 m² | +28 m² +27% | 2016 |
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| 12, Tewkesbury Road663 m away | 79 m² | 107 m² | +28 m² +35% | 2015 |
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| 83, Shaftesbury Avenue397 m away | 86 m² | 113 m² | +27 m² +31% | 2026 |
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| 32, Conduit Road271 m away | 79 m² | 106 m² | +27 m² +34% | 2025 |
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| 98, St Werburghs Park668 m away | 76 m² | 103 m² | +27 m² +36% | 2025 |
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| 8, Shaftesbury Avenue261 m away | 113 m² | 140 m² | +27 m² +24% | 2023 |
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| 2a, Windsor Road609 m away | 133 m² | 160 m² | +27 m² +20% | 2021 |
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| 34, Stokes Croft926 m away | 103 m² | 130 m² | +27 m² +26% | 2021 |
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| 20, Albany Road30 m away | 50 m² | 77 m² | +27 m² +54% | 2020 |
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| 28, Leopold Road647 m away | 149 m² | 176 m² | +27 m² +18% | 2020 |
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| 20, Banner Road390 m away | 126 m² | 153 m² | +27 m² +21% | 2019 |
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| 57, North Road891 m away | 96 m² | 123 m² | +27 m² +28% | 2019 |
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| Flat 2, 64, Fox Road855 m away | 45 m² | 72 m² | +27 m² +60% | 2018 |
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| 21, Narroways Road954 m away | 108 m² | 134 m² | +26 m² +24% | 2026 |
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| 26, Narroways Road954 m away | 75 m² | 101 m² | +26 m² +35% | 2026 |
|---|
| 1, Cumberland Grove137 m away | 89 m² | 115 m² | +26 m² +29% | 2025 |
|---|
| 24, Saxon Road675 m away | 78 m² | 104 m² | +26 m² +33% | 2025 |
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| 5, Briavels Grove441 m away | 105 m² | 131 m² | +26 m² +25% | 2023 |
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| 25, Cleave Street478 m away | 87 m² | 113 m² | +26 m² +30% | 2022 |
|---|
| Flat 3, Old Station House, 198, Station Road680 m away | 59 m² | 85 m² | +26 m² +44% | 2021 |
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| 15, Derby Road875 m away | 117 m² | 143 m² | +26 m² +22% | 2020 |
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| 2, Shaftesbury Avenue261 m away | 62 m² | 88 m² | +26 m² +42% | 2018 |
|---|
| Flat 1, 59, Ashley Hill473 m away | 24 m² | 50 m² | +26 m² +108% | 2016 |
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| 52, Bath Buildings558 m away | 35 m² | 61 m² | +26 m² +74% | 2009 |
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| 49, Grosvenor Road435 m away | 92 m² | 117 m² | +25 m² +27% | 2023 |
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| 151, Sydenham Lane779 m away | 95 m² | 120 m² | +25 m² +26% | 2020 |
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| 36, Jamaica Street963 m away | 115 m² | 140 m² | +25 m² +22% | 2020 |
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| 43, St Nicholas Road458 m away | 116 m² | 141 m² | +25 m² +22% | 2016 |
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| 85, York Road356 m away | 99 m² | 123 m² | +24 m² +24% | 2025 |
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| 131, North Road997 m away | 146 m² | 170 m² | +24 m² +16% | 2025 |
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| 47, Shaftesbury Avenue276 m away | 91 m² | 115 m² | +24 m² +26% | 2024 |
|---|
| 137, Mina Road457 m away | 86 m² | 110 m² | +24 m² +28% | 2024 |
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| 30, Mina Road462 m away | 92 m² | 116 m² | +24 m² +26% | 2024 |
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| Flat 36, Old Shoe Factory, Portland Square854 m away | 48 m² | 72 m² | +24 m² +50% | 2023 |
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| Flat 2, 38, Bath Buildings558 m away | 24 m² | 48 m² | +24 m² +100% | 2022 |
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| 241, Stapleton Road827 m away | 40 m² | 64 m² | +24 m² +60% | 2019 |
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