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 8LT
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, Saltdean Drive781 m away | 122 m² | 254 m² | +132 m² +108% | 2025 |
| Hunters Moon, Tye Close746 m away | 189 m² | 319 m² | +130 m² +69% | 2024 |
| 11, Eileen Avenue941 m away | 99 m² | 229 m² | +130 m² +131% | 2018 |
| 44, Cranleigh Avenue990 m away | 90 m² | 219 m² | +129 m² +143% | 2018 |
| 64, Rodmell Avenue281 m away | 102 m² | 226 m² | +124 m² +122% | 2025 |
| 3, Westmeston Avenue965 m away | 93 m² | 207 m² | +114 m² +123% | 2026 |
| 84, Wicklands Avenue442 m away | 96 m² | 208 m² | +112 m² +117% | 2024 |
| 51, Wicklands Avenue427 m away | 88 m² | 192 m² | +104 m² +118% | 2022 |
| 12, Tremola Avenue622 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.
| 89 m² |
| 187 m² |
| +98 m² +110% |
| 2023 |
| 40, Ashdown Avenue854 m away | 97 m² | 193 m² | +96 m² +99% | 2025 |
|---|
| 35, Westmeston Avenue965 m away | 140 m² | 236 m² | +96 m² +69% | 2024 |
|---|
| 69, Saltdean Drive556 m away | 120 m² | 216 m² | +96 m² +80% | 2018 |
|---|
| 94, Rodmell Avenue600 m away | 75 m² | 168 m² | +93 m² +124% | 2024 |
|---|
| 10, Chichester Drive West721 m away | 103 m² | 194 m² | +91 m² +88% | 2023 |
|---|
| 15, Cissbury Crescent512 m away | 63 m² | 153 m² | +90 m² +143% | 2024 |
|---|
| 2, Berwick Road567 m away | 63 m² | 152 m² | +89 m² +141% | 2026 |
|---|
| 43, Lenham Avenue779 m away | 149 m² | 237 m² | +88 m² +59% | 2026 |
|---|
| 46, Ashdown Avenue854 m away | 74 m² | 161 m² | +87 m² +118% | 2020 |
|---|
| 21, Tumulus Road758 m away | 89 m² | 175 m² | +86 m² +97% | 2023 |
|---|
| 41, Rodmell Avenue281 m away | 81 m² | 166 m² | +85 m² +105% | 2024 |
|---|
| 103, Tumulus Road838 m away | 68 m² | 152 m² | +84 m² +124% | 2019 |
|---|
| 1, Winton Avenue677 m away | 97 m² | 180 m² | +83 m² +86% | 2024 |
|---|
| 67, Saltdean Drive556 m away | 138 m² | 221 m² | +83 m² +60% | 2023 |
|---|
| 4, Ashurst Avenue722 m away | 77 m² | 159 m² | +82 m² +106% | 2022 |
|---|
| 47, Lenham Avenue779 m away | 76 m² | 155 m² | +79 m² +104% | 2025 |
|---|
| 38, Saltdean Drive781 m away | 101 m² | 180 m² | +79 m² +78% | 2024 |
|---|
| 91, Bannings Vale644 m away | 84 m² | 163 m² | +79 m² +94% | 2021 |
|---|
| 28, Rodmell Avenue0 m away | 99 m² | 178 m² | +79 m² +80% | 2014 |
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| 75, Ashurst Avenue722 m away | 81 m² | 159 m² | +78 m² +96% | 2023 |
|---|
| 40, Saltdean Vale254 m away | 85 m² | 163 m² | +78 m² +92% | 2017 |
|---|
| 43, Nutley Avenue482 m away | 93 m² | 170 m² | +77 m² +83% | 2025 |
|---|
| 61, Rodmell Avenue281 m away | 138 m² | 215 m² | +77 m² +56% | 2024 |
|---|
| 96, Longridge Avenue155 m away | 89 m² | 165 m² | +76 m² +85% | 2024 |
|---|
| 27, Lustrells Crescent657 m away | 104 m² | 180 m² | +76 m² +73% | 2022 |
|---|
| 16, Chichester Drive East517 m away | 69 m² | 145 m² | +76 m² +110% | 2021 |
|---|
| 8, Linchmere Avenue211 m away | 218 m² | 293 m² | +75 m² +34% | 2016 |
|---|
| 22, Ifield Close885 m away | 75 m² | 148 m² | +73 m² +97% | 2025 |
|---|
| 73a, Bevendean Avenue297 m away | 95 m² | 163 m² | +68 m² +72% | 2024 |
|---|
| 25, Bevendean Avenue75 m away | 86 m² | 154 m² | +68 m² +79% | 2019 |
|---|
| 8, Wivelsfield Road794 m away | 89 m² | 157 m² | +68 m² +76% | 2019 |
|---|
| 15, Glynde Avenue296 m away | 81 m² | 148 m² | +67 m² +83% | 2026 |
|---|
| 16, Crowborough Road461 m away | 111 m² | 177 m² | +66 m² +59% | 2023 |
|---|
| 88, Wicklands Avenue442 m away | 82 m² | 147 m² | +65 m² +79% | 2023 |
|---|
| 90, Oaklands Avenue355 m away | 78 m² | 143 m² | +65 m² +83% | 2020 |
|---|
| 30, Westmeston Avenue909 m away | 70 m² | 135 m² | +65 m² +93% | 2015 |
|---|
| 55, Rodmell Avenue281 m away | 84 m² | 147 m² | +63 m² +75% | 2022 |
|---|
| 31, Withyham Avenue454 m away | 81 m² | 144 m² | +63 m² +78% | 2010 |
|---|
| 98, Saltdean Drive556 m away | 89 m² | 151 m² | +62 m² +70% | 2025 |
|---|
| 22, Wivelsfield Road794 m away | 75 m² | 137 m² | +62 m² +83% | 2024 |
|---|
| 1, Lindfield Close885 m away | 64 m² | 126 m² | +62 m² +97% | 2020 |
|---|
| 207, Marine Drive579 m away | 137 m² | 198 m² | +61 m² +45% | 2023 |
|---|
| 26, Bishopstone Drive811 m away | 77 m² | 138 m² | +61 m² +79% | 2023 |
|---|
| 52, Lustrells Vale773 m away | 82 m² | 143 m² | +61 m² +74% | 2022 |
|---|
| 92, Cissbury Crescent613 m away | 63 m² | 124 m² | +61 m² +97% | 2020 |
|---|
| 13, Chiltington Close477 m away | 69 m² | 130 m² | +61 m² +88% | 2016 |
|---|
| 120, Rodmell Avenue600 m away | 78 m² | 138 m² | +60 m² +77% | 2025 |
|---|
| 30, Coombe Vale858 m away | 68 m² | 128 m² | +60 m² +88% | 2024 |
|---|
| 103, Greenbank Avenue569 m away | 61 m² | 121 m² | +60 m² +98% | 2021 |
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| 53, Rodmell Avenue281 m away | 84 m² | 143 m² | +59 m² +70% | 2026 |
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| 156, Rodmell Avenue600 m away | 68 m² | 126 m² | +58 m² +85% | 2026 |
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| 33, Falmer Avenue746 m away | 85 m² | 143 m² | +58 m² +68% | 2026 |
|---|
| 17, Rye Close962 m away | 104 m² | 162 m² | +58 m² +56% | 2018 |
|---|
| 4, Bevendean Avenue75 m away | 84 m² | 142 m² | +58 m² +69% | 2017 |
|---|
| 80, Cissbury Crescent613 m away | 61 m² | 119 m² | +58 m² +95% | 2014 |
|---|
| 2, Shepham Avenue138 m away | 89 m² | 146 m² | +57 m² +64% | 2026 |
|---|
| 18, Ifield Close885 m away | 74 m² | 131 m² | +57 m² +77% | 2026 |
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| 73, Chichester Drive West502 m away | 95 m² | 152 m² | +57 m² +60% | 2025 |
|---|
| 25, Rodmell Avenue0 m away | 80 m² | 137 m² | +57 m² +71% | 2016 |
|---|
| 3, Walesbeech Road522 m away | 113 m² | 170 m² | +57 m² +50% | 2015 |
|---|
| 64, Chichester Drive East288 m away | 80 m² | 136 m² | +56 m² +70% | 2026 |
|---|
| 1, Brambletyne Avenue481 m away | 113 m² | 169 m² | +56 m² +50% | 2025 |
|---|
| 57, Cissbury Crescent607 m away | 67 m² | 123 m² | +56 m² +84% | 2025 |
|---|
| 1, Looes Barn Close918 m away | 153 m² | 209 m² | +56 m² +37% | 2018 |
|---|
| 20, Findon Avenue656 m away | 57 m² | 113 m² | +56 m² +98% | 2012 |
|---|
| 17, Lustrells Close764 m away | 74 m² | 129 m² | +55 m² +74% | 2017 |
|---|
| 52, Nutley Avenue495 m away | 163 m² | 217 m² | +54 m² +33% | 2019 |
|---|
| 139, Saltdean Vale517 m away | 76 m² | 130 m² | +54 m² +71% | 2019 |
|---|
| 63, Ashurst Avenue722 m away | 112 m² | 164 m² | +52 m² +46% | 2025 |
|---|
| 9, Lustrells Close764 m away | 74 m² | 126 m² | +52 m² +70% | 2013 |
|---|
| 45, Tumulus Road758 m away | 74 m² | 126 m² | +52 m² +70% | 2012 |
|---|
| 18, Saltdean Drive781 m away | 128 m² | 179 m² | +51 m² +40% | 2025 |
|---|
| 12, Homebush Avenue305 m away | 92 m² | 143 m² | +51 m² +55% | 2021 |
|---|
| 17, Mount Drive356 m away | 58 m² | 108 m² | +50 m² +86% | 2025 |
|---|
| 3, Shepham Avenue138 m away | 97 m² | 147 m² | +50 m² +52% | 2021 |
|---|
| 13, Tremola Avenue622 m away | 89 m² | 139 m² | +50 m² +56% | 2016 |
|---|
| 8, Homebush Avenue305 m away | 87 m² | 137 m² | +50 m² +57% | 2015 |
|---|
| 40, Brambletyne Avenue493 m away | 90 m² | 139 m² | +49 m² +54% | 2025 |
|---|
| 66, Longridge Avenue155 m away | 74 m² | 123 m² | +49 m² +66% | 2023 |
|---|
| 29, Nutley Avenue482 m away | 98 m² | 147 m² | +49 m² +50% | 2013 |
|---|
| 6, Stanmer Avenue754 m away | 43 m² | 91 m² | +48 m² +112% | 2014 |
|---|
| 3, Tumulus Road758 m away | 118 m² | 165 m² | +47 m² +40% | 2020 |
|---|
| 49, Wivelsfield Road837 m away | 80 m² | 127 m² | +47 m² +59% | 2016 |
|---|
| 11, Ashdown Avenue854 m away | 219 m² | 265 m² | +46 m² +21% | 2019 |
|---|
| 56, Westmeston Avenue909 m away | 96 m² | 142 m² | +46 m² +48% | 2015 |
|---|
| 32, Hamsey Road706 m away | 67 m² | 112 m² | +45 m² +67% | 2016 |
|---|
| 28, Brambletyne Avenue493 m away | 71 m² | 115 m² | +44 m² +62% | 2026 |
|---|
| 93, Bevendean Avenue617 m away | 90 m² | 134 m² | +44 m² +49% | 2026 |
|---|
| 41, Westmeston Avenue965 m away | 70 m² | 114 m² | +44 m² +63% | 2019 |
|---|
| 62, Lenham Avenue779 m away | 165 m² | 209 m² | +44 m² +27% | 2018 |
|---|
| 55, Lenham Avenue779 m away | 122 m² | 166 m² | +44 m² +36% | 2016 |
|---|
| 46, Oaklands Avenue155 m away | 125 m² | 168 m² | +43 m² +34% | 2024 |
|---|
| 77, Chichester Drive West502 m away | 136 m² | 179 m² | +43 m² +32% | 2016 |
|---|
| 58, Chichester Drive East288 m away | 80 m² | 122 m² | +42 m² +53% | 2018 |
|---|
| 12, Arlington Gardens513 m away | 52 m² | 93 m² | +41 m² +79% | 2026 |
|---|
| 29, Cranleigh Avenue990 m away | 114 m² | 155 m² | +41 m² +36% | 2023 |
|---|
| 17, Chichester Drive East463 m away | 124 m² | 165 m² | +41 m² +33% | 2019 |
|---|
| 34, Arundel Drive East410 m away | 169 m² | 210 m² | +41 m² +24% | 2017 |
|---|
| 95, Greenbank Avenue569 m away | 65 m² | 106 m² | +41 m² +63% | 2015 |
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| 9, Eileen Avenue941 m away | 85 m² | 125 m² | +40 m² +47% | 2024 |
|---|
| 38, Brambletyne Avenue493 m away | 106 m² | 145 m² | +39 m² +37% | 2024 |
|---|
| 99, Saltdean Vale517 m away | 143 m² | 182 m² | +39 m² +27% | 2024 |
|---|
| 25, Findon Avenue656 m away | 66 m² | 104 m² | +38 m² +58% | 2025 |
|---|
| 17, Coombe Rise707 m away | 109 m² | 147 m² | +38 m² +35% | 2019 |
|---|
| 99, Wicklands Avenue427 m away | 72 m² | 110 m² | +38 m² +53% | 2018 |
|---|
| 4, Lenham Road East916 m away | 123 m² | 161 m² | +38 m² +31% | 2018 |
|---|
| 2, Heathfield Avenue442 m away | 36 m² | 74 m² | +38 m² +106% | 2015 |
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| 41, Oaklands Avenue336 m away | 93 m² | 131 m² | +38 m² +41% | 2014 |
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| 18, Hempstead Road631 m away | 59 m² | 95 m² | +36 m² +61% | 2026 |
|---|
| 1, Edward Avenue683 m away | 93 m² | 129 m² | +36 m² +39% | 2015 |
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| 42, Coombe Vale858 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
|---|
| 2, Chiltington Close477 m away | 69 m² | 104 m² | +35 m² +51% | 2025 |
|---|
| 28, Stanmer Avenue754 m away | 46 m² | 81 m² | +35 m² +76% | 2025 |
|---|
| 5, Arlington Gardens513 m away | 41 m² | 76 m² | +35 m² +85% | 2022 |
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| 75, Brambletyne Avenue481 m away | 76 m² | 110 m² | +34 m² +45% | 2025 |
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| 9, Stanmer Avenue754 m away | 58 m² | 92 m² | +34 m² +59% | 2024 |
|---|
| 49, Bevendean Avenue297 m away | 81 m² | 115 m² | +34 m² +42% | 2012 |
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| 104, Oaklands Avenue355 m away | 91 m² | 124 m² | +33 m² +36% | 2025 |
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| 58, Bevendean Avenue297 m away | 74 m² | 107 m² | +33 m² +45% | 2018 |
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| 32, Arundel Drive East410 m away | 172 m² | 204 m² | +32 m² +19% | 2021 |
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| 17, Chichester Drive West721 m away | 120 m² | 152 m² | +32 m² +27% | 2014 |
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| 20, Westmeston Avenue909 m away | 106 m² | 137 m² | +31 m² +29% | 2019 |
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| 101, Saltdean Vale517 m away | 98 m² | 129 m² | +31 m² +32% | 2017 |
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| 126, Saltdean Vale633 m away | 98 m² | 129 m² | +31 m² +32% | 2016 |
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| 16, Greenbank Avenue184 m away | 87 m² | 117 m² | +30 m² +34% | 2025 |
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| 62, Lustrells Crescent611 m away | 93 m² | 123 m² | +30 m² +32% | 2024 |
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| 49, Lenham Avenue779 m away | 112 m² | 142 m² | +30 m² +27% | 2016 |
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| 2, Winton Avenue677 m away | 98 m² | 127 m² | +29 m² +30% | 2016 |
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| 18, Westfield Rise782 m away | 77 m² | 106 m² | +29 m² +38% | 2016 |
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| 140, Rodmell Avenue600 m away | 99 m² | 126 m² | +27 m² +27% | 2026 |
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| 42, Arundel Drive East410 m away | 156 m² | 183 m² | +27 m² +17% | 2025 |
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| 43, Findon Avenue656 m away | 41 m² | 68 m² | +27 m² +66% | 2024 |
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| Flat 1, Marine View, 2, Chichester Drive East517 m away | 65 m² | 92 m² | +27 m² +42% | 2022 |
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| 11, Rodmell Avenue0 m away | 90 m² | 117 m² | +27 m² +30% | 2019 |
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| 69, Rodmell Avenue599 m away | 77 m² | 104 m² | +27 m² +35% | 2014 |
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| 88, Rodmell Avenue600 m away | 129 m² | 156 m² | +27 m² +21% | 2014 |
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| 9, Bevendean Avenue75 m away | 78 m² | 105 m² | +27 m² +35% | 2009 |
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| 11, Bannings Vale598 m away | 64 m² | 90 m² | +26 m² +41% | 2026 |
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| 2, Lynwood Road529 m away | 130 m² | 156 m² | +26 m² +20% | 2025 |
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| 27, Bannings Vale598 m away | 112 m² | 138 m² | +26 m² +23% | 2024 |
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| 16, Ashdown Avenue854 m away | 169 m² | 195 m² | +26 m² +15% | 2022 |
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| 68, Chichester Drive West502 m away | 124 m² | 150 m² | +26 m² +21% | 2021 |
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| 65, Tumulus Road758 m away | 78 m² | 104 m² | +26 m² +33% | 2018 |
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| 39, Nutley Avenue482 m away | 121 m² | 147 m² | +26 m² +21% | 2015 |
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| 25, Withyham Avenue454 m away | 144 m² | 169 m² | +25 m² +17% | 2026 |
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| 3b, Saxon Close651 m away | 34 m² | 59 m² | +25 m² +74% | 2023 |
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| 8, Lenham Road East916 m away | 145 m² | 170 m² | +25 m² +17% | 2020 |
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| 19, Coombe Vale895 m away | 88 m² | 113 m² | +25 m² +28% | 2016 |
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| 15, Shepham Avenue138 m away | 96 m² | 121 m² | +25 m² +26% | 2014 |
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| 40, Coombe Vale858 m away | 46 m² | 70 m² | +24 m² +52% | 2019 |
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| 97a, Cissbury Crescent607 m away | 101 m² | 125 m² | +24 m² +24% | 2014 |
|---|
| 47, Ashurst Avenue722 m away | 108 m² | 131 m² | +23 m² +21% | 2025 |
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| 29, Brambletyne Avenue481 m away | 122 m² | 145 m² | +23 m² +19% | 2023 |
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| 111, Saltdean Vale517 m away | 83 m² | 106 m² | +23 m² +28% | 2014 |
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| 14, Hailsham Avenue682 m away | 46 m² | 68 m² | +22 m² +48% | 2025 |
|---|
| Lenham Cottage, 1, Lenham Avenue862 m away | 110 m² | 132 m² | +22 m² +20% | 2024 |
|---|
| 23, Tumulus Road758 m away | 70 m² | 92 m² | +22 m² +31% | 2023 |
|---|
| 26, Chichester Drive East517 m away | 134 m² | 156 m² | +22 m² +16% | 2022 |
|---|
| 99, Longridge Avenue155 m away | 73 m² | 95 m² | +22 m² +30% | 2015 |
|---|
| 27, Chichester Drive East463 m away | 49 m² | 71 m² | +22 m² +45% | 2015 |
|---|
| 31, Chichester Drive East463 m away | 122 m² | 144 m² | +22 m² +18% | 2013 |
|---|
| 24, Lustrells Close764 m away | 88 m² | 110 m² | +22 m² +25% | 2011 |
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| Flat 4, 47, Wicklands Avenue427 m away | 37 m² | 59 m² | +22 m² +59% | 2010 |
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| 47, Findon Avenue656 m away | 48 m² | 70 m² | +22 m² +46% | 2010 |
|---|
| 37, Wivelsfield Road837 m away | 84 m² | 105 m² | +21 m² +25% | 2026 |
|---|
| 71, Northwood Avenue648 m away | 78 m² | 99 m² | +21 m² +27% | 2023 |
|---|
| 1, Mount Drive356 m away | 110 m² | 131 m² | +21 m² +19% | 2022 |
|---|
| 78, Northwood Avenue648 m away | 38 m² | 59 m² | +21 m² +55% | 2019 |
|---|
| 136, Rodmell Avenue600 m away | 98 m² | 119 m² | +21 m² +21% | 2017 |
|---|
| 162, Lustrells Vale447 m away | 87 m² | 108 m² | +21 m² +24% | 2016 |
|---|
| 42, Hamsey Road706 m away | 96 m² | 117 m² | +21 m² +22% | 2015 |
|---|
| 31, Oaklands Avenue155 m away | 103 m² | 124 m² | +21 m² +20% | 2014 |
|---|
| 13, Hailsham Avenue682 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
|---|
| 10, Looes Barn Close918 m away | 117 m² | 137 m² | +20 m² +17% | 2024 |
|---|
| 100, Oaklands Avenue355 m away | 101 m² | 121 m² | +20 m² +20% | 2022 |
|---|
| 109a, Rodmell Avenue599 m away | 59 m² | 79 m² | +20 m² +34% | 2021 |
|---|
| 9, Abbotsbury Close762 m away | 74 m² | 94 m² | +20 m² +27% | 2019 |
|---|
| 47, Lustrells Vale762 m away | 105 m² | 125 m² | +20 m² +19% | 2014 |
|---|
| 147, Rodmell Avenue599 m away | 65 m² | 85 m² | +20 m² +31% | 2013 |
|---|
| 28, Coombe Rise707 m away | 110 m² | 129 m² | +19 m² +17% | 2026 |
|---|
| 54, Tumulus Road715 m away | 84 m² | 103 m² | +19 m² +23% | 2026 |
|---|
| 15, Mount Drive356 m away | 57 m² | 76 m² | +19 m² +33% | 2025 |
|---|
| 13, Heathfield Avenue442 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
|---|
| 174, Bannings Vale832 m away | 103 m² | 121 m² | +18 m² +17% | 2026 |
|---|
| 20, Bevendean Avenue75 m away | 119 m² | 137 m² | +18 m² +15% | 2024 |
|---|
| 5, Chichester Close286 m away | 62 m² | 80 m² | +18 m² +29% | 2021 |
|---|
| 57, Northwood Avenue648 m away | 87 m² | 105 m² | +18 m² +21% | 2021 |
|---|
| 42, Greenbank Avenue184 m away | 66 m² | 84 m² | +18 m² +27% | 2016 |
|---|
| 4, Hawthorn Close360 m away | 94 m² | 112 m² | +18 m² +19% | 2016 |
|---|
| 99a, Cissbury Crescent607 m away | 100 m² | 117 m² | +17 m² +17% | 2019 |
|---|
| 16, Oaklands Avenue155 m away | 77 m² | 94 m² | +17 m² +22% | 2016 |
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