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 BN3 5DL
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 |
|---|---|---|---|---|
| 6, Princes Crescent642 m away | 283 m² | 466 m² | +183 m² +65% | 2022 |
| 14, Carlisle Road773 m away | 110 m² | 265 m² | +155 m² +141% | 2013 |
| 25, Berriedale Avenue952 m away | 122 m² | 236 m² | +114 m² +93% | 2014 |
| Flat 3, 179, Kingsway755 m away | 126 m² | 238 m² | +112 m² +89% | 2013 |
| 78a, New Church Road634 m away | 125 m² | 236 m² | +111 m² +89% | 2024 |
| 17, Reynolds Road519 m away | 110 m² | 218 m² | +108 m² +98% | 2016 |
| 7, Park View Road955 m away | 147 m² | 255 m² | +108 m² +73% | 2015 |
| 18, Denmark Villas750 m away | 179 m² | 285 m² | +106 m² +59% | 2020 |
| 69, Langdale Road669 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.
| 91 m² |
| 196 m² |
| +105 m² +115% |
| 2011 |
| 13, Langdale Gardens849 m away | 77 m² | 172 m² | +95 m² +123% | 2019 |
|---|
| 20, Orchard Gardens936 m away | 92 m² | 185 m² | +93 m² +101% | 2023 |
|---|
| 22, Wilbury Avenue951 m away | 165 m² | 257 m² | +92 m² +56% | 2019 |
|---|
| 60, Langdale Gardens748 m away | 70 m² | 162 m² | +92 m² +131% | 2018 |
|---|
| 24, Westbourne Villas606 m away | 275 m² | 364 m² | +89 m² +32% | 2017 |
|---|
| 36, Medina Villas820 m away | 422 m² | 510 m² | +88 m² +21% | 2022 |
|---|
| 55, Pembroke Crescent93 m away | 91 m² | 177 m² | +86 m² +95% | 2016 |
|---|
| 9, Copthorne Court, 44, The Drive930 m away | 86 m² | 170 m² | +84 m² +98% | 2023 |
|---|
| 33, Coleman Avenue852 m away | 137 m² | 220 m² | +83 m² +61% | 2022 |
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| 38, New Church Road399 m away | 172 m² | 254 m² | +82 m² +48% | 2019 |
|---|
| 9, Modena Road301 m away | 78 m² | 158 m² | +80 m² +103% | 2018 |
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| 89, New Church Road687 m away | 142 m² | 221 m² | +79 m² +56% | 2012 |
|---|
| 19, Sackville Gardens577 m away | 185 m² | 263 m² | +78 m² +42% | 2020 |
|---|
| 7, Orchard Avenue920 m away | 99 m² | 177 m² | +78 m² +79% | 2017 |
|---|
| 31, Clarendon Villas349 m away | 74 m² | 152 m² | +78 m² +105% | 2012 |
|---|
| 40, Welbeck Avenue938 m away | 149 m² | 226 m² | +77 m² +52% | 2019 |
|---|
| 38, Hogarth Road610 m away | 140 m² | 217 m² | +77 m² +55% | 2016 |
|---|
| 18a, Hove Park Villas931 m away | 135 m² | 211 m² | +76 m² +56% | 2025 |
|---|
| 39, Braemore Road826 m away | 128 m² | 204 m² | +76 m² +59% | 2023 |
|---|
| 18, Rutland Gardens257 m away | 203 m² | 277 m² | +74 m² +36% | 2016 |
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| 100, New Church Road719 m away | 60 m² | 133 m² | +73 m² +122% | 2020 |
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| 214, Portland Road628 m away | 63 m² | 135 m² | +72 m² +114% | 2021 |
|---|
| 85, New Church Road687 m away | 163 m² | 234 m² | +71 m² +44% | 2024 |
|---|
| 21, Walsingham Road593 m away | 167 m² | 237 m² | +70 m² +42% | 2023 |
|---|
| 34, Raphael Road405 m away | 130 m² | 200 m² | +70 m² +54% | 2020 |
|---|
| 68, Braemore Road854 m away | 67 m² | 135 m² | +68 m² +101% | 2011 |
|---|
| 77b, Carlisle Road617 m away | 162 m² | 229 m² | +67 m² +41% | 2026 |
|---|
| 5, Byron Street254 m away | 74 m² | 140 m² | +66 m² +89% | 2026 |
|---|
| 31, Lawrence Road408 m away | 81 m² | 147 m² | +66 m² +81% | 2014 |
|---|
| 15, Modena Road301 m away | 170 m² | 235 m² | +65 m² +38% | 2022 |
|---|
| 32, Hove Park Villas931 m away | 210 m² | 275 m² | +65 m² +31% | 2020 |
|---|
| 82, Old Shoreham Road981 m away | 194 m² | 259 m² | +65 m² +34% | 2016 |
|---|
| 26, Reynolds Road519 m away | 116 m² | 180 m² | +64 m² +55% | 2025 |
|---|
| 77, New Church Road687 m away | 342 m² | 406 m² | +64 m² +19% | 2025 |
|---|
| 6, Orchard Avenue920 m away | 92 m² | 156 m² | +64 m² +70% | 2023 |
|---|
| 41, Cowper Street100 m away | 93 m² | 157 m² | +64 m² +69% | 2019 |
|---|
| 60, Walsingham Road645 m away | 125 m² | 189 m² | +64 m² +51% | 2016 |
|---|
| Flat 3, 14, Sackville Gardens617 m away | 53 m² | 117 m² | +64 m² +121% | 2014 |
|---|
| 118, Portland Road149 m away | 57 m² | 120 m² | +63 m² +111% | 2021 |
|---|
| 206, Church Road510 m away | 51 m² | 114 m² | +63 m² +124% | 2016 |
|---|
| 14, Berriedale Avenue972 m away | 172 m² | 234 m² | +62 m² +36% | 2025 |
|---|
| 84, Sackville Road255 m away | 119 m² | 181 m² | +62 m² +52% | 2017 |
|---|
| 29, Denmark Villas716 m away | 186 m² | 247 m² | +61 m² +33% | 2026 |
|---|
| 16, Brooker Street324 m away | 64 m² | 125 m² | +61 m² +95% | 2021 |
|---|
| 42, Fonthill Road841 m away | 75 m² | 136 m² | +61 m² +81% | 2021 |
|---|
| 11, Hove Street680 m away | 131 m² | 192 m² | +61 m² +47% | 2014 |
|---|
| 54, Langdale Gardens748 m away | 177 m² | 237 m² | +60 m² +34% | 2024 |
|---|
| 29, Landseer Road550 m away | 100 m² | 160 m² | +60 m² +60% | 2015 |
|---|
| 11, Lullington Avenue637 m away | 92 m² | 150 m² | +58 m² +63% | 2021 |
|---|
| 23, Frith Road636 m away | 59 m² | 116 m² | +57 m² +97% | 2025 |
|---|
| 24, Rutland Gardens257 m away | 180 m² | 237 m² | +57 m² +32% | 2020 |
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| 214, Church Road510 m away | 54 m² | 111 m² | +57 m² +106% | 2019 |
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| 35, Seafield Road705 m away | 170 m² | 227 m² | +57 m² +34% | 2014 |
|---|
| 18, Hova Villas720 m away | 49 m² | 106 m² | +57 m² +116% | 2014 |
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| 88, Old Shoreham Road981 m away | 159 m² | 215 m² | +56 m² +35% | 2025 |
|---|
| 32, Hova Villas720 m away | 126 m² | 182 m² | +56 m² +44% | 2023 |
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| 31, Albany Villas854 m away | 59 m² | 115 m² | +56 m² +95% | 2014 |
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| 19, Berriedale Avenue952 m away | 170 m² | 226 m² | +56 m² +33% | 2013 |
|---|
| 12, Orchard Gardens936 m away | 96 m² | 151 m² | +55 m² +57% | 2026 |
|---|
| 8, Osborne Villas791 m away | 98 m² | 153 m² | +55 m² +56% | 2011 |
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| 53, Ventnor Villas699 m away | 48 m² | 103 m² | +55 m² +115% | 2009 |
|---|
| 97, Sackville Road296 m away | 55 m² | 109 m² | +54 m² +98% | 2025 |
|---|
| 1, Goldstone Road524 m away | 50 m² | 104 m² | +54 m² +108% | 2023 |
|---|
| 151, Westbourne Street268 m away | 38 m² | 92 m² | +54 m² +142% | 2019 |
|---|
| 26, Aldrington Avenue623 m away | 82 m² | 135 m² | +53 m² +65% | 2026 |
|---|
| 26, Frith Road636 m away | 104 m² | 157 m² | +53 m² +51% | 2025 |
|---|
| 14, Aymer Road522 m away | 204 m² | 257 m² | +53 m² +26% | 2022 |
|---|
| 21, Vallance Road555 m away | 68 m² | 121 m² | +53 m² +78% | 2021 |
|---|
| 55, Fonthill Road858 m away | 116 m² | 169 m² | +53 m² +46% | 2019 |
|---|
| 49, Sackville Gardens577 m away | 157 m² | 210 m² | +53 m² +34% | 2017 |
|---|
| 2, Hova Villas720 m away | 53 m² | 106 m² | +53 m² +100% | 2015 |
|---|
| 91, St Aubyns663 m away | 75 m² | 128 m² | +53 m² +71% | 2013 |
|---|
| 49, Cranmer Avenue892 m away | 97 m² | 150 m² | +53 m² +55% | 2013 |
|---|
| 120, Shirley Street368 m away | 83 m² | 135 m² | +52 m² +63% | 2020 |
|---|
| 45, Sackville Gardens577 m away | 141 m² | 193 m² | +52 m² +37% | 2017 |
|---|
| 20, Denmark Villas750 m away | 66 m² | 118 m² | +52 m² +79% | 2011 |
|---|
| 38, Marmion Road559 m away | 102 m² | 153 m² | +51 m² +50% | 2026 |
|---|
| 12, Connaught Terrace410 m away | 104 m² | 155 m² | +51 m² +49% | 2023 |
|---|
| 7, Hartington Villas816 m away | 152 m² | 203 m² | +51 m² +34% | 2021 |
|---|
| 7, Clarendon Villas524 m away | 211 m² | 262 m² | +51 m² +24% | 2018 |
|---|
| 48, Livingstone Road561 m away | 44 m² | 95 m² | +51 m² +116% | 2014 |
|---|
| 28, Viceroy Lodge, 143, Kingsway737 m away | 84 m² | 134 m² | +50 m² +60% | 2014 |
|---|
| 27, Viceroy Lodge, 143, Kingsway737 m away | 84 m² | 134 m² | +50 m² +60% | 2014 |
|---|
| 44, Payne Avenue633 m away | 53 m² | 102 m² | +49 m² +92% | 2025 |
|---|
| 15, Fonthill Road858 m away | 123 m² | 172 m² | +49 m² +40% | 2025 |
|---|
| 19, Connaught Terrace410 m away | 108 m² | 157 m² | +49 m² +45% | 2023 |
|---|
| Flat 7, Vallance Court, Hove Street561 m away | 91 m² | 140 m² | +49 m² +54% | 2020 |
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| 28, Brooker Street324 m away | 103 m² | 152 m² | +49 m² +48% | 2018 |
|---|
| 1, Nevill Road898 m away | 107 m² | 155 m² | +48 m² +45% | 2025 |
|---|
| 27, Pembroke Avenue156 m away | 96 m² | 144 m² | +48 m² +50% | 2023 |
|---|
| 42d, Norton Road799 m away | 117 m² | 165 m² | +48 m² +41% | 2022 |
|---|
| 32, Shelley Road272 m away | 74 m² | 122 m² | +48 m² +65% | 2012 |
|---|
| 24, Brooker Street324 m away | 98 m² | 145 m² | +47 m² +48% | 2026 |
|---|
| 92, New Church Road719 m away | 139 m² | 186 m² | +47 m² +34% | 2026 |
|---|
| 39, Sackville Road276 m away | 194 m² | 241 m² | +47 m² +24% | 2022 |
|---|
| 31, Poynter Road575 m away | 111 m² | 158 m² | +47 m² +42% | 2020 |
|---|
| 14, Denmark Mews725 m away | 129 m² | 176 m² | +47 m² +36% | 2020 |
|---|
| 61, Goldstone Road362 m away | 43 m² | 90 m² | +47 m² +109% | 2019 |
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| 13, Oxford Mews858 m away | 72 m² | 119 m² | +47 m² +65% | 2019 |
|---|
| Flat 1, 15, Fourth Avenue990 m away | 127 m² | 174 m² | +47 m² +37% | 2014 |
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| 37, Brooker Street324 m away | 110 m² | 156 m² | +46 m² +42% | 2025 |
|---|
| 28, Pembroke Crescent112 m away | 175 m² | 221 m² | +46 m² +26% | 2023 |
|---|
| 4, Osborne Villas791 m away | 55 m² | 101 m² | +46 m² +84% | 2023 |
|---|
| Flat 1, 16, Sackville Road346 m away | 46 m² | 92 m² | +46 m² +100% | 2021 |
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| 44, Belfast Street440 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
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| 188a, Church Road510 m away | 46 m² | 92 m² | +46 m² +100% | 2019 |
|---|
| 67, Cowper Street100 m away | 86 m² | 132 m² | +46 m² +53% | 2018 |
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| 140, Sackville Road507 m away | 52 m² | 98 m² | +46 m² +88% | 2018 |
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| 38, Woodhouse Road961 m away | 64 m² | 110 m² | +46 m² +72% | 2014 |
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| 40, Wordsworth Street120 m away | 60 m² | 105 m² | +45 m² +75% | 2024 |
|---|
| 18, Lullington Avenue637 m away | 98 m² | 143 m² | +45 m² +46% | 2022 |
|---|
| 169, Old Shoreham Road742 m away | 103 m² | 148 m² | +45 m² +44% | 2021 |
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| 54, Braemore Road854 m away | 140 m² | 185 m² | +45 m² +32% | 2020 |
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| 30b, Third Avenue976 m away | 85 m² | 130 m² | +45 m² +53% | 2017 |
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| 14, Goldstone Villas591 m away | 58 m² | 103 m² | +45 m² +78% | 2016 |
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| 13, Park View Road955 m away | 110 m² | 154 m² | +44 m² +40% | 2025 |
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| 37, Ruskin Road444 m away | 100 m² | 144 m² | +44 m² +44% | 2019 |
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| 54, Sackville Gardens617 m away | 102 m² | 146 m² | +44 m² +43% | 2019 |
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| 37, Carlisle Road765 m away | 150 m² | 194 m² | +44 m² +29% | 2018 |
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| 6, Carlisle Road773 m away | 42 m² | 86 m² | +44 m² +105% | 2016 |
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| 63, Westbourne Street86 m away | 39 m² | 83 m² | +44 m² +113% | 2010 |
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| 8, Tamworth Road323 m away | 102 m² | 145 m² | +43 m² +42% | 2026 |
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| 20, Hove Park Villas931 m away | 188 m² | 231 m² | +43 m² +23% | 2024 |
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| 14, Connaught Terrace410 m away | 107 m² | 150 m² | +43 m² +40% | 2022 |
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| Flat 4, 57, Pembroke Crescent93 m away | 33 m² | 76 m² | +43 m² +130% | 2020 |
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| 20, Medina Villas753 m away | 62 m² | 105 m² | +43 m² +69% | 2019 |
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| 31, Bolsover Road826 m away | 59 m² | 102 m² | +43 m² +73% | 2014 |
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| 3, Molesworth Street400 m away | 89 m² | 131 m² | +42 m² +47% | 2026 |
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| 3, Woodhouse Road934 m away | 135 m² | 177 m² | +42 m² +31% | 2023 |
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| 66, Denmark Villas824 m away | 63 m² | 105 m² | +42 m² +67% | 2020 |
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| 18d, Clarendon Villas504 m away | 49 m² | 91 m² | +42 m² +86% | 2019 |
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| 80, Goldstone Villas680 m away | 58 m² | 100 m² | +42 m² +72% | 2019 |
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| 13, Langdale Road803 m away | 147 m² | 189 m² | +42 m² +29% | 2018 |
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| 67, Westbourne Street86 m away | 44 m² | 85 m² | +41 m² +93% | 2019 |
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| 2, Raphael Road405 m away | 205 m² | 246 m² | +41 m² +20% | 2018 |
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| 172, Sackville Road611 m away | 104 m² | 145 m² | +41 m² +39% | 2018 |
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| Flat 5, 62, The Drive972 m away | 65 m² | 106 m² | +41 m² +63% | 2013 |
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| 36, Stirling Place401 m away | 93 m² | 133 m² | +40 m² +43% | 2023 |
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| Telecommunication Room, 133, Kingsway872 m away | 57 m² | 97 m² | +40 m² +70% | 2020 |
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| 57, Montgomery Street170 m away | 77 m² | 117 m² | +40 m² +52% | 2019 |
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| 12, Haddington Street549 m away | 85 m² | 125 m² | +40 m² +47% | 2019 |
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| Flat 26, Veric, 16 - 18, Eaton Gardens854 m away | 41 m² | 81 m² | +40 m² +98% | 2015 |
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| 4, Rutland Road257 m away | 116 m² | 156 m² | +40 m² +34% | 2013 |
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| 179, Old Shoreham Road742 m away | 55 m² | 95 m² | +40 m² +73% | 2013 |
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| Flat 1, 40, Medina Villas910 m away | 35 m² | 75 m² | +40 m² +114% | 2010 |
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| 33, Amesbury Crescent753 m away | 231 m² | 270 m² | +39 m² +17% | 2025 |
|---|
| 16, Park Avenue803 m away | 174 m² | 213 m² | +39 m² +22% | 2025 |
|---|
| Flat 2, 51, Clarendon Villas349 m away | 44 m² | 83 m² | +39 m² +89% | 2023 |
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| 40, Langdale Road704 m away | 124 m² | 163 m² | +39 m² +31% | 2023 |
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| 72, Tamworth Road430 m away | 96 m² | 135 m² | +39 m² +41% | 2022 |
|---|
| 18, Amherst Crescent606 m away | 82 m² | 121 m² | +39 m² +48% | 2022 |
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| Flat 3, 74, Denmark Villas824 m away | 69 m² | 108 m² | +39 m² +57% | 2022 |
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| 11, Lennox Road547 m away | 94 m² | 133 m² | +39 m² +41% | 2021 |
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| 34, Coleridge Street274 m away | 78 m² | 117 m² | +39 m² +50% | 2020 |
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| 40, Marmion Road559 m away | 101 m² | 140 m² | +39 m² +39% | 2020 |
|---|
| 38, Berriedale Avenue865 m away | 125 m² | 164 m² | +39 m² +31% | 2020 |
|---|
| 7, Shelley Road272 m away | 92 m² | 131 m² | +39 m² +42% | 2019 |
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| 34, Belfast Street440 m away | 90 m² | 129 m² | +39 m² +43% | 2016 |
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| 70, Marmion Road559 m away | 101 m² | 140 m² | +39 m² +39% | 2014 |
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| 78, Byron Street246 m away | 27 m² | 66 m² | +39 m² +144% | 2009 |
|---|
| 7, Shakespeare Street322 m away | 90 m² | 128 m² | +38 m² +42% | 2024 |
|---|
| 78, New Church Road634 m away | 113 m² | 151 m² | +38 m² +34% | 2024 |
|---|
| 15, Braemore Road826 m away | 166 m² | 204 m² | +38 m² +23% | 2024 |
|---|
| 18, Aldrington Avenue623 m away | 95 m² | 133 m² | +38 m² +40% | 2023 |
|---|
| 82, Tamworth Road430 m away | 95 m² | 133 m² | +38 m² +40% | 2022 |
|---|
| 120, Sackville Road507 m away | 115 m² | 153 m² | +38 m² +33% | 2022 |
|---|
| 16, Connaught Terrace410 m away | 104 m² | 142 m² | +38 m² +37% | 2020 |
|---|
| 59, Tamworth Road430 m away | 92 m² | 130 m² | +38 m² +41% | 2018 |
|---|
| 8, Linton Road568 m away | 51 m² | 89 m² | +38 m² +75% | 2015 |
|---|
| Flat 33, Viceroy Lodge, 143, Kingsway737 m away | 96 m² | 134 m² | +38 m² +40% | 2014 |
|---|
| 67, Livingstone Road407 m away | 26 m² | 64 m² | +38 m² +146% | 2013 |
|---|
| 3, Kings Mews993 m away | 78 m² | 116 m² | +38 m² +49% | 2013 |
|---|
| 40, Belfast Street440 m away | 87 m² | 124 m² | +37 m² +43% | 2024 |
|---|
| 34, Leighton Road626 m away | 110 m² | 147 m² | +37 m² +34% | 2024 |
|---|
| Flat 4, 10, Eaton Road798 m away | 60 m² | 97 m² | +37 m² +62% | 2024 |
|---|
| 22, Kendal Road506 m away | 93 m² | 130 m² | +37 m² +40% | 2023 |
|---|
| 4, Lennox Road547 m away | 87 m² | 124 m² | +37 m² +43% | 2018 |
|---|
| 170, Westbourne Street268 m away | 39 m² | 76 m² | +37 m² +95% | 2016 |
|---|
| 19, Norton Road786 m away | 61 m² | 98 m² | +37 m² +61% | 2016 |
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| 34, Brooker Street324 m away | 105 m² | 141 m² | +36 m² +34% | 2026 |
|---|
| 80, Church Road815 m away | 43 m² | 79 m² | +36 m² +84% | 2026 |
|---|
| 26, Prinsep Road453 m away | 111 m² | 147 m² | +36 m² +32% | 2025 |
|---|
| 56, Stoneham Road561 m away | 112 m² | 148 m² | +36 m² +32% | 2024 |
|---|
| 39, St Heliers Avenue694 m away | 97 m² | 133 m² | +36 m² +37% | 2024 |
|---|
| Flat 5, 51, Clarendon Villas349 m away | 44 m² | 80 m² | +36 m² +82% | 2023 |
|---|
| 38, Landseer Road550 m away | 110 m² | 146 m² | +36 m² +33% | 2022 |
|---|
| 43, Stoneham Road561 m away | 90 m² | 126 m² | +36 m² +40% | 2021 |
|---|
| 11, Leighton Road502 m away | 115 m² | 151 m² | +36 m² +31% | 2019 |
|---|
| 4, Lullington Avenue637 m away | 97 m² | 133 m² | +36 m² +37% | 2019 |
|---|
| 19, Payne Avenue550 m away | 92 m² | 128 m² | +36 m² +39% | 2018 |
|---|
| 61, Langdale Gardens721 m away | 109 m² | 145 m² | +36 m² +33% | 2018 |
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