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 BN2 8FD
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 |
|---|---|---|---|---|
| 93, Marine Drive924 m away | 178 m² | 379 m² | +201 m² +113% | 2018 |
| 58, Dean Court Road515 m away | 145 m² | 322 m² | +177 m² +122% | 2026 |
| 6, Saltdean Drive613 m away | 122 m² | 254 m² | +132 m² +108% | 2025 |
| 11, Eileen Avenue697 m away | 99 m² | 229 m² | +130 m² +131% | 2018 |
| 44, Cranleigh Avenue568 m away | 90 m² | 219 m² | +129 m² +143% | 2018 |
| 3, Westmeston Avenue264 m away | 93 m² | 207 m² | +114 m² +123% | 2026 |
| 39, Grand Crescent667 m away | 115 m² | 226 m² | +111 m² +97% | 2022 |
| 21, Lenham Road West836 m away | 77 m² | 183 m² | +106 m² +138% | 2024 |
| 5, Chailey Avenue808 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.
| 78 m² |
| 180 m² |
| +102 m² +131% |
| 2013 |
| 12, Tremola Avenue200 m away | 89 m² | 187 m² | +98 m² +110% | 2023 |
|---|
| 40, Ashdown Avenue367 m away | 97 m² | 193 m² | +96 m² +99% | 2025 |
|---|
| 35, Westmeston Avenue264 m away | 140 m² | 236 m² | +96 m² +69% | 2024 |
|---|
| 69, Saltdean Drive324 m away | 120 m² | 216 m² | +96 m² +80% | 2018 |
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| 10, Chichester Drive West631 m away | 103 m² | 194 m² | +91 m² +88% | 2023 |
|---|
| 2, Berwick Road821 m away | 63 m² | 152 m² | +89 m² +141% | 2026 |
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| 43, Lenham Avenue360 m away | 149 m² | 237 m² | +88 m² +59% | 2026 |
|---|
| 46, Ashdown Avenue367 m away | 74 m² | 161 m² | +87 m² +118% | 2020 |
|---|
| 21, Tumulus Road426 m away | 89 m² | 175 m² | +86 m² +97% | 2023 |
|---|
| 1, Cranleigh Avenue731 m away | 124 m² | 210 m² | +86 m² +69% | 2015 |
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| 103, Tumulus Road725 m away | 68 m² | 152 m² | +84 m² +124% | 2019 |
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| 1, Winton Avenue408 m away | 97 m² | 180 m² | +83 m² +86% | 2024 |
|---|
| 67, Saltdean Drive324 m away | 138 m² | 221 m² | +83 m² +60% | 2023 |
|---|
| 47, Lenham Avenue360 m away | 76 m² | 155 m² | +79 m² +104% | 2025 |
|---|
| 38, Saltdean Drive613 m away | 101 m² | 180 m² | +79 m² +78% | 2024 |
|---|
| 33, Gorham Avenue703 m away | 146 m² | 225 m² | +79 m² +54% | 2020 |
|---|
| 28, Rodmell Avenue762 m away | 99 m² | 178 m² | +79 m² +80% | 2014 |
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| 40, Saltdean Vale520 m away | 85 m² | 163 m² | +78 m² +92% | 2017 |
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| 96, Longridge Avenue896 m away | 89 m² | 165 m² | +76 m² +85% | 2024 |
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| 27, Lustrells Crescent257 m away | 104 m² | 180 m² | +76 m² +73% | 2022 |
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| 16, Chichester Drive East861 m away | 69 m² | 145 m² | +76 m² +110% | 2021 |
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| 8, Linchmere Avenue765 m away | 218 m² | 293 m² | +75 m² +34% | 2016 |
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| 91, Dean Court Road529 m away | 156 m² | 230 m² | +74 m² +47% | 2023 |
|---|
| 8, Wivelsfield Road361 m away | 89 m² | 157 m² | +68 m² +76% | 2019 |
|---|
| 25, Bevendean Avenue752 m away | 86 m² | 154 m² | +68 m² +79% | 2019 |
|---|
| 15, Glynde Avenue610 m away | 81 m² | 148 m² | +67 m² +83% | 2026 |
|---|
| 30, Westmeston Avenue262 m away | 70 m² | 135 m² | +65 m² +93% | 2015 |
|---|
| 54, Dean Court Road515 m away | 167 m² | 232 m² | +65 m² +39% | 2014 |
|---|
| 31, Withyham Avenue865 m away | 81 m² | 144 m² | +63 m² +78% | 2010 |
|---|
| 98, Saltdean Drive324 m away | 89 m² | 151 m² | +62 m² +70% | 2025 |
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| 22, Wivelsfield Road361 m away | 75 m² | 137 m² | +62 m² +83% | 2024 |
|---|
| 1, Lindfield Close125 m away | 64 m² | 126 m² | +62 m² +97% | 2020 |
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| 100, Dean Court Road515 m away | 108 m² | 170 m² | +62 m² +57% | 2020 |
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| 26, Bishopstone Drive152 m away | 77 m² | 138 m² | +61 m² +79% | 2023 |
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| 52, Lustrells Vale35 m away | 82 m² | 143 m² | +61 m² +74% | 2022 |
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| 13, Chiltington Close500 m away | 69 m² | 130 m² | +61 m² +88% | 2016 |
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| 30, Coombe Vale994 m away | 68 m² | 128 m² | +60 m² +88% | 2024 |
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| 103, Greenbank Avenue872 m away | 61 m² | 121 m² | +60 m² +98% | 2021 |
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| 33, Falmer Avenue80 m away | 85 m² | 143 m² | +58 m² +68% | 2026 |
|---|
| 4, Bevendean Avenue752 m away | 84 m² | 142 m² | +58 m² +69% | 2017 |
|---|
| 2, Shepham Avenue629 m away | 89 m² | 146 m² | +57 m² +64% | 2026 |
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| 73, Chichester Drive West398 m away | 95 m² | 152 m² | +57 m² +60% | 2025 |
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| 25, Rodmell Avenue762 m away | 80 m² | 137 m² | +57 m² +71% | 2016 |
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| 64, Chichester Drive East603 m away | 80 m² | 136 m² | +56 m² +70% | 2026 |
|---|
| 1, Looes Barn Close812 m away | 153 m² | 209 m² | +56 m² +37% | 2018 |
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| 17, Lustrells Close78 m away | 74 m² | 129 m² | +55 m² +74% | 2017 |
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| 139, Saltdean Vale588 m away | 76 m² | 130 m² | +54 m² +71% | 2019 |
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| 9, Lustrells Close78 m away | 74 m² | 126 m² | +52 m² +70% | 2013 |
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| 45, Tumulus Road426 m away | 74 m² | 126 m² | +52 m² +70% | 2012 |
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| 18, Saltdean Drive613 m away | 128 m² | 179 m² | +51 m² +40% | 2025 |
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| 17, Mount Drive657 m away | 58 m² | 108 m² | +50 m² +86% | 2025 |
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| 51, Dean Court Road529 m away | 180 m² | 230 m² | +50 m² +28% | 2024 |
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| 2a, Royles Close859 m away | 84 m² | 134 m² | +50 m² +60% | 2022 |
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| 3, Shepham Avenue629 m away | 97 m² | 147 m² | +50 m² +52% | 2021 |
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| 13, Tremola Avenue200 m away | 89 m² | 139 m² | +50 m² +56% | 2016 |
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| 24, Gorham Avenue703 m away | 147 m² | 196 m² | +49 m² +33% | 2025 |
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| 66, Longridge Avenue896 m away | 74 m² | 123 m² | +49 m² +66% | 2023 |
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| 6, Cranleigh Avenue731 m away | 121 m² | 169 m² | +48 m² +40% | 2024 |
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| 37, Chailey Avenue808 m away | 146 m² | 194 m² | +48 m² +33% | 2022 |
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| 6, Stanmer Avenue882 m away | 43 m² | 91 m² | +48 m² +112% | 2014 |
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| 3, Tumulus Road426 m away | 118 m² | 165 m² | +47 m² +40% | 2020 |
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| 49, Wivelsfield Road366 m away | 80 m² | 127 m² | +47 m² +59% | 2016 |
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| 9, Dean Court Road981 m away | 64 m² | 111 m² | +47 m² +73% | 2015 |
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| 11, Ashdown Avenue367 m away | 219 m² | 265 m² | +46 m² +21% | 2019 |
|---|
| 56, Westmeston Avenue262 m away | 96 m² | 142 m² | +46 m² +48% | 2015 |
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| 41, Westmeston Avenue264 m away | 70 m² | 114 m² | +44 m² +63% | 2019 |
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| 62, Lenham Avenue360 m away | 165 m² | 209 m² | +44 m² +27% | 2018 |
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| 55, Lenham Avenue360 m away | 122 m² | 166 m² | +44 m² +36% | 2016 |
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| 46, Oaklands Avenue736 m away | 125 m² | 168 m² | +43 m² +34% | 2024 |
|---|
| 77, Chichester Drive West398 m away | 136 m² | 179 m² | +43 m² +32% | 2016 |
|---|
| 58, Chichester Drive East603 m away | 80 m² | 122 m² | +42 m² +53% | 2018 |
|---|
| 12, Arlington Gardens738 m away | 52 m² | 93 m² | +41 m² +79% | 2026 |
|---|
| 29, Cranleigh Avenue568 m away | 114 m² | 155 m² | +41 m² +36% | 2023 |
|---|
| Bazehill House, Bazehill Road971 m away | 259 m² | 300 m² | +41 m² +16% | 2022 |
|---|
| 17, Chichester Drive East803 m away | 124 m² | 165 m² | +41 m² +33% | 2019 |
|---|
| 34, Arundel Drive East723 m away | 169 m² | 210 m² | +41 m² +24% | 2017 |
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| 95, Greenbank Avenue872 m away | 65 m² | 106 m² | +41 m² +63% | 2015 |
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| 9, Eileen Avenue697 m away | 85 m² | 125 m² | +40 m² +47% | 2024 |
|---|
| Flat 7, Aqua Vista, 107, Marine Drive924 m away | 96 m² | 136 m² | +40 m² +42% | 2017 |
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| 99, Saltdean Vale588 m away | 143 m² | 182 m² | +39 m² +27% | 2024 |
|---|
| 2, Cranleigh Avenue731 m away | 155 m² | 194 m² | +39 m² +25% | 2018 |
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| 11, Dean Court Road824 m away | 185 m² | 224 m² | +39 m² +21% | 2013 |
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| 4, Lenham Road East578 m away | 123 m² | 161 m² | +38 m² +31% | 2018 |
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| 2, Heathfield Avenue681 m away | 36 m² | 74 m² | +38 m² +106% | 2015 |
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| 25, Bazehill Road971 m away | 168 m² | 205 m² | +37 m² +22% | 2022 |
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| 18, Hempstead Road875 m away | 59 m² | 95 m² | +36 m² +61% | 2026 |
|---|
| 1, Edward Avenue731 m away | 93 m² | 129 m² | +36 m² +39% | 2015 |
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| 42, Coombe Vale994 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
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| 2, Chiltington Close500 m away | 69 m² | 104 m² | +35 m² +51% | 2025 |
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| 28, Stanmer Avenue882 m away | 46 m² | 81 m² | +35 m² +76% | 2025 |
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| 5, Arlington Gardens738 m away | 41 m² | 76 m² | +35 m² +85% | 2022 |
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| 8, Cranleigh Avenue731 m away | 218 m² | 252 m² | +34 m² +16% | 2026 |
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| 9, Stanmer Avenue882 m away | 58 m² | 92 m² | +34 m² +59% | 2024 |
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| 1a, Grand Crescent667 m away | 125 m² | 158 m² | +33 m² +26% | 2019 |
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| 32, Arundel Drive East723 m away | 172 m² | 204 m² | +32 m² +19% | 2021 |
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| 17, Chichester Drive West631 m away | 120 m² | 152 m² | +32 m² +27% | 2014 |
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| 20, Westmeston Avenue262 m away | 106 m² | 137 m² | +31 m² +29% | 2019 |
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| 101, Saltdean Vale588 m away | 98 m² | 129 m² | +31 m² +32% | 2017 |
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| 126, Saltdean Vale688 m away | 98 m² | 129 m² | +31 m² +32% | 2016 |
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| 16, Greenbank Avenue588 m away | 87 m² | 117 m² | +30 m² +34% | 2025 |
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| 62, Lustrells Crescent189 m away | 93 m² | 123 m² | +30 m² +32% | 2024 |
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| 49, Lenham Avenue360 m away | 112 m² | 142 m² | +30 m² +27% | 2016 |
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| 19, The Park692 m away | 101 m² | 130 m² | +29 m² +29% | 2022 |
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| 2, Winton Avenue408 m away | 98 m² | 127 m² | +29 m² +30% | 2016 |
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| 42, Arundel Drive East723 m away | 156 m² | 183 m² | +27 m² +17% | 2025 |
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| Flat 1, Marine View, 2, Chichester Drive East861 m away | 65 m² | 92 m² | +27 m² +42% | 2022 |
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| 11, Rodmell Avenue762 m away | 90 m² | 117 m² | +27 m² +30% | 2019 |
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| 9, Bevendean Avenue752 m away | 78 m² | 105 m² | +27 m² +35% | 2009 |
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| 16, Ashdown Avenue367 m away | 169 m² | 195 m² | +26 m² +15% | 2022 |
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| 68, Chichester Drive West398 m away | 124 m² | 150 m² | +26 m² +21% | 2021 |
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| 65, Tumulus Road426 m away | 78 m² | 104 m² | +26 m² +33% | 2018 |
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| 25, Withyham Avenue865 m away | 144 m² | 169 m² | +25 m² +17% | 2026 |
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| 3b, Saxon Close267 m away | 34 m² | 59 m² | +25 m² +74% | 2023 |
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| 8, Lenham Road East578 m away | 145 m² | 170 m² | +25 m² +17% | 2020 |
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| 25, Little Crescent793 m away | 144 m² | 169 m² | +25 m² +17% | 2020 |
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| 28, Gorham Avenue703 m away | 154 m² | 179 m² | +25 m² +16% | 2015 |
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| 15, Shepham Avenue629 m away | 96 m² | 121 m² | +25 m² +26% | 2014 |
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| 53, Chailey Avenue808 m away | 132 m² | 156 m² | +24 m² +18% | 2024 |
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| 40, Coombe Vale994 m away | 46 m² | 70 m² | +24 m² +52% | 2019 |
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| 111, Saltdean Vale588 m away | 83 m² | 106 m² | +23 m² +28% | 2014 |
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| 14, Hailsham Avenue824 m away | 46 m² | 68 m² | +22 m² +48% | 2025 |
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| Lenham Cottage, 1, Lenham Avenue647 m away | 110 m² | 132 m² | +22 m² +20% | 2024 |
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| 23, Tumulus Road426 m away | 70 m² | 92 m² | +22 m² +31% | 2023 |
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| 26, Chichester Drive East861 m away | 134 m² | 156 m² | +22 m² +16% | 2022 |
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| 27, Chichester Drive East803 m away | 49 m² | 71 m² | +22 m² +45% | 2015 |
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| 99, Longridge Avenue896 m away | 73 m² | 95 m² | +22 m² +30% | 2015 |
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| 31, Chichester Drive East803 m away | 122 m² | 144 m² | +22 m² +18% | 2013 |
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| 24, Lustrells Close78 m away | 88 m² | 110 m² | +22 m² +25% | 2011 |
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| 37, Wivelsfield Road366 m away | 84 m² | 105 m² | +21 m² +25% | 2026 |
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| 1, Mount Drive657 m away | 110 m² | 131 m² | +21 m² +19% | 2022 |
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| 162, Lustrells Vale332 m away | 87 m² | 108 m² | +21 m² +24% | 2016 |
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| 31, Oaklands Avenue736 m away | 103 m² | 124 m² | +21 m² +20% | 2014 |
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| 30, Grand Crescent667 m away | 130 m² | 150 m² | +20 m² +15% | 2025 |
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| 13, Hailsham Avenue824 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
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| 10, Looes Barn Close812 m away | 117 m² | 137 m² | +20 m² +17% | 2024 |
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| 9, Abbotsbury Close786 m away | 74 m² | 94 m² | +20 m² +27% | 2019 |
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| 9, Tudor Close, Dean Court Road922 m away | 40 m² | 60 m² | +20 m² +50% | 2019 |
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| 47, Lustrells Vale0 m away | 105 m² | 125 m² | +20 m² +19% | 2014 |
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| 43, Dean Court Road529 m away | 117 m² | 137 m² | +20 m² +17% | 2011 |
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| 54, Tumulus Road402 m away | 84 m² | 103 m² | +19 m² +23% | 2026 |
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| 15, Mount Drive657 m away | 57 m² | 76 m² | +19 m² +33% | 2025 |
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| 13, Heathfield Avenue681 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
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| 20, Bevendean Avenue752 m away | 119 m² | 137 m² | +18 m² +15% | 2024 |
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| 5, Chichester Close698 m away | 62 m² | 80 m² | +18 m² +29% | 2021 |
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| 4, Hawthorn Close424 m away | 94 m² | 112 m² | +18 m² +19% | 2016 |
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| 42, Greenbank Avenue588 m away | 66 m² | 84 m² | +18 m² +27% | 2016 |
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| 6, St Aubyns Mead998 m away | 81 m² | 98 m² | +17 m² +21% | 2018 |
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| 16, Oaklands Avenue736 m away | 77 m² | 94 m² | +17 m² +22% | 2016 |
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| 31, Lustrells Close78 m away | 62 m² | 78 m² | +16 m² +26% | 2026 |
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| 10, Hempstead Road875 m away | 49 m² | 65 m² | +16 m² +33% | 2024 |
|---|
| 118, Saltdean Vale688 m away | 77 m² | 93 m² | +16 m² +21% | 2023 |
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| 27, Greenbank Avenue588 m away | 69 m² | 85 m² | +16 m² +23% | 2016 |
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| 59, Chichester Drive East603 m away | 99 m² | 115 m² | +16 m² +16% | 2013 |
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| 35, Stanmer Avenue882 m away | 67 m² | 83 m² | +16 m² +24% | 2010 |
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| 2, Saltdean Park Road844 m away | 54 m² | 69 m² | +15 m² +28% | 2026 |
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| 3, Heathfield Avenue681 m away | 67 m² | 82 m² | +15 m² +22% | 2023 |
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| 113, Tumulus Road725 m away | 69 m² | 84 m² | +15 m² +22% | 2018 |
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