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 BN1 6PB
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 |
|---|---|---|---|---|
| 9, Withdean Crescent921 m away | 137 m² | 337 m² | +200 m² +146% | 2013 |
| 6, Varndean Road561 m away | 114 m² | 258 m² | +144 m² +126% | 2022 |
| 11a, Preston Park Avenue749 m away | 112 m² | 252 m² | +140 m² +125% | 2018 |
| 1, Elms Lea Avenue772 m away | 157 m² | 275 m² | +118 m² +75% | 2023 |
| 369, Ditchling Road681 m away | 105 m² | 220 m² | +115 m² +110% | 2013 |
| 9, Cedars Gardens957 m away | 135 m² | 241 m² | +106 m² +79% | 2018 |
| 13, Cedars Gardens957 m away | 113 m² | 214 m² | +101 m² +89% | 2025 |
| 68, Beaconsfield Villas261 m away | 63 m² | 157 m² | +94 m² +149% | 2016 |
| 37, Tivoli Road995 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.
| 99 m² |
| 191 m² |
| +92 m² +93% |
| 2025 |
| 105, Tivoli Crescent North953 m away | 93 m² | 179 m² | +86 m² +92% | 2015 |
|---|
| 182, Tivoli Crescent North953 m away | 164 m² | 247 m² | +83 m² +51% | 2022 |
|---|
| 9, Woodside Avenue862 m away | 116 m² | 197 m² | +81 m² +70% | 2026 |
|---|
| 35, Withdean Crescent921 m away | 129 m² | 210 m² | +81 m² +63% | 2017 |
|---|
| 17, Compton Road934 m away | 54 m² | 134 m² | +80 m² +148% | 2023 |
|---|
| 151, Preston Drove360 m away | 76 m² | 156 m² | +80 m² +105% | 2015 |
|---|
| 18, Tivoli Crescent914 m away | 153 m² | 231 m² | +78 m² +51% | 2023 |
|---|
| 14, Harrington Road423 m away | 106 m² | 184 m² | +78 m² +74% | 2016 |
|---|
| 13, Lauriston Road645 m away | 76 m² | 153 m² | +77 m² +101% | 2024 |
|---|
| 65, Surrenden Road376 m away | 101 m² | 178 m² | +77 m² +76% | 2012 |
|---|
| 2, Friar Road821 m away | 142 m² | 217 m² | +75 m² +53% | 2021 |
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| 203, Ditchling Road837 m away | 69 m² | 144 m² | +75 m² +109% | 2021 |
|---|
| 82, Hollingdean Terrace942 m away | 79 m² | 152 m² | +73 m² +92% | 2025 |
|---|
| 28, Gordon Road52 m away | 74 m² | 147 m² | +73 m² +99% | 2020 |
|---|
| 255, Preston Road570 m away | 210 m² | 282 m² | +72 m² +34% | 2024 |
|---|
| 45, Springfield Road942 m away | 206 m² | 278 m² | +72 m² +35% | 2022 |
|---|
| 46, Compton Road903 m away | 47 m² | 117 m² | +70 m² +149% | 2014 |
|---|
| 267, Preston Drove550 m away | 89 m² | 158 m² | +69 m² +78% | 2020 |
|---|
| 11, Rugby Road810 m away | 80 m² | 148 m² | +68 m² +85% | 2024 |
|---|
| 2, Park View Terrace936 m away | 169 m² | 236 m² | +67 m² +40% | 2025 |
|---|
| 13, Harrington Road423 m away | 142 m² | 207 m² | +65 m² +46% | 2019 |
|---|
| 6, Cornwall Gardens460 m away | 146 m² | 211 m² | +65 m² +45% | 2013 |
|---|
| 27, Preston Park Avenue453 m away | 85 m² | 148 m² | +63 m² +74% | 2022 |
|---|
| 6, Cleveland Road552 m away | 48 m² | 111 m² | +63 m² +131% | 2013 |
|---|
| 59, Withdean Crescent921 m away | 70 m² | 132 m² | +62 m² +89% | 2013 |
|---|
| 59, Tivoli Crescent971 m away | 80 m² | 141 m² | +61 m² +76% | 2026 |
|---|
| 7, Cedars Gardens957 m away | 162 m² | 221 m² | +59 m² +36% | 2025 |
|---|
| 50, Withdean Crescent891 m away | 201 m² | 260 m² | +59 m² +29% | 2024 |
|---|
| 71, Chester Terrace531 m away | 49 m² | 108 m² | +59 m² +120% | 2017 |
|---|
| 36, Beaconsfield Villas563 m away | 191 m² | 249 m² | +58 m² +30% | 2025 |
|---|
| 56, Rugby Road810 m away | 171 m² | 229 m² | +58 m² +34% | 2018 |
|---|
| 158, Tivoli Crescent North953 m away | 135 m² | 192 m² | +57 m² +42% | 2015 |
|---|
| Minley, South Road672 m away | 121 m² | 178 m² | +57 m² +47% | 2014 |
|---|
| 17, Rugby Road810 m away | 61 m² | 117 m² | +56 m² +92% | 2015 |
|---|
| 88, Osborne Road370 m away | 58 m² | 114 m² | +56 m² +97% | 2014 |
|---|
| 15, Hampstead Road880 m away | 208 m² | 263 m² | +55 m² +26% | 2026 |
|---|
| 332, Ditchling Road655 m away | 130 m² | 185 m² | +55 m² +42% | 2023 |
|---|
| 17, Lauriston Road645 m away | 152 m² | 207 m² | +55 m² +36% | 2020 |
|---|
| 21, Stanmer Park Road756 m away | 97 m² | 152 m² | +55 m² +57% | 2014 |
|---|
| Cinderford, Cornwall Gardens422 m away | 82 m² | 136 m² | +54 m² +66% | 2025 |
|---|
| 63, Loder Road206 m away | 106 m² | 160 m² | +54 m² +51% | 2023 |
|---|
| 80, Hollingdean Terrace942 m away | 101 m² | 155 m² | +54 m² +53% | 2023 |
|---|
| 78, Stanmer Park Road775 m away | 77 m² | 129 m² | +52 m² +68% | 2023 |
|---|
| 33, Reigate Road961 m away | 93 m² | 145 m² | +52 m² +56% | 2019 |
|---|
| 5, Kingsley Road871 m away | 87 m² | 138 m² | +51 m² +59% | 2022 |
|---|
| 98, Hollingdean Terrace921 m away | 114 m² | 165 m² | +51 m² +45% | 2022 |
|---|
| 8, Woodside Avenue862 m away | 51 m² | 102 m² | +51 m² +100% | 2021 |
|---|
| 4, Loder Road178 m away | 46 m² | 97 m² | +51 m² +111% | 2020 |
|---|
| 30a, Beaconsfield Villas563 m away | 99 m² | 150 m² | +51 m² +52% | 2019 |
|---|
| Flat 5, 10, Preston Park Avenue749 m away | 59 m² | 110 m² | +51 m² +86% | 2014 |
|---|
| 11, Dyke Road Drive993 m away | 106 m² | 156 m² | +50 m² +47% | 2026 |
|---|
| 26, Hampstead Road880 m away | 143 m² | 193 m² | +50 m² +35% | 2023 |
|---|
| 43, Tivoli Crescent971 m away | 124 m² | 174 m² | +50 m² +40% | 2021 |
|---|
| 51, Surrenden Crescent871 m away | 137 m² | 186 m² | +49 m² +36% | 2026 |
|---|
| 111, Preston Road881 m away | 102 m² | 151 m² | +49 m² +48% | 2018 |
|---|
| 73, Loder Road206 m away | 53 m² | 102 m² | +49 m² +92% | 2016 |
|---|
| 95, Roedale Road954 m away | 78 m² | 127 m² | +49 m² +63% | 2015 |
|---|
| 28, Havelock Road551 m away | 100 m² | 148 m² | +48 m² +48% | 2025 |
|---|
| 30, Matlock Road990 m away | 108 m² | 156 m² | +48 m² +44% | 2023 |
|---|
| 37, Bates Road128 m away | 96 m² | 143 m² | +47 m² +49% | 2025 |
|---|
| 4, Cedars Gardens957 m away | 200 m² | 247 m² | +47 m² +24% | 2023 |
|---|
| 31, Waldegrave Road540 m away | 96 m² | 143 m² | +47 m² +49% | 2021 |
|---|
| 34, Edburton Avenue810 m away | 81 m² | 128 m² | +47 m² +58% | 2021 |
|---|
| 8, Friar Crescent778 m away | 99 m² | 146 m² | +47 m² +47% | 2019 |
|---|
| 105, Waldegrave Road289 m away | 99 m² | 145 m² | +46 m² +46% | 2023 |
|---|
| 10, Upper Hollingdean Road988 m away | 69 m² | 115 m² | +46 m² +67% | 2012 |
|---|
| 3, Hollingbury Crescent847 m away | 109 m² | 154 m² | +45 m² +41% | 2023 |
|---|
| 85, Hollingdean Terrace925 m away | 117 m² | 162 m² | +45 m² +38% | 2023 |
|---|
| 15, Gordon Road74 m away | 46 m² | 91 m² | +45 m² +98% | 2021 |
|---|
| 26, Beaconsfield Villas563 m away | 196 m² | 241 m² | +45 m² +23% | 2015 |
|---|
| 5, Gordon Road74 m away | 49 m² | 93 m² | +44 m² +90% | 2024 |
|---|
| 33, Tivoli Road995 m away | 145 m² | 189 m² | +44 m² +30% | 2012 |
|---|
| 3, The Drove866 m away | 109 m² | 152 m² | +43 m² +39% | 2026 |
|---|
| 64, Hollingbury Park Avenue720 m away | 92 m² | 135 m² | +43 m² +47% | 2018 |
|---|
| 108, Waldegrave Road315 m away | 106 m² | 149 m² | +43 m² +41% | 2014 |
|---|
| 16, St Andrews Road782 m away | 140 m² | 182 m² | +42 m² +30% | 2023 |
|---|
| 1, Upper Hollingdean Road988 m away | 116 m² | 158 m² | +42 m² +36% | 2022 |
|---|
| 31, Chester Terrace531 m away | 94 m² | 136 m² | +42 m² +45% | 2021 |
|---|
| 18, Hollingbury Place973 m away | 81 m² | 122 m² | +41 m² +51% | 2024 |
|---|
| 75, Hollingdean Terrace925 m away | 82 m² | 123 m² | +41 m² +50% | 2022 |
|---|
| 48, Surrenden Crescent965 m away | 174 m² | 215 m² | +41 m² +24% | 2022 |
|---|
| 29, Hollingbury Road869 m away | 86 m² | 127 m² | +41 m² +48% | 2020 |
|---|
| 26, Hollingdean Terrace942 m away | 80 m² | 121 m² | +41 m² +51% | 2019 |
|---|
| 120, Stanmer Villas803 m away | 80 m² | 121 m² | +41 m² +51% | 2017 |
|---|
| 128, Preston Drove597 m away | 123 m² | 164 m² | +41 m² +33% | 2016 |
|---|
| 37, Withdean Crescent921 m away | 178 m² | 219 m² | +41 m² +23% | 2016 |
|---|
| 140, Balfour Road500 m away | 79 m² | 119 m² | +40 m² +51% | 2025 |
|---|
| 8, Robertson Road787 m away | 94 m² | 134 m² | +40 m² +43% | 2025 |
|---|
| 108, Preston Drove106 m away | 45 m² | 85 m² | +40 m² +89% | 2023 |
|---|
| 30, Bates Road150 m away | 91 m² | 131 m² | +40 m² +44% | 2020 |
|---|
| 57, Waldegrave Road540 m away | 109 m² | 149 m² | +40 m² +37% | 2017 |
|---|
| 38a, Whittingehame Gardens398 m away | 165 m² | 205 m² | +40 m² +24% | 2013 |
|---|
| 36, Tivoli Crescent914 m away | 35 m² | 75 m² | +40 m² +114% | 2013 |
|---|
| 19, Herbert Road0 m away | 98 m² | 137 m² | +39 m² +40% | 2023 |
|---|
| 13, Friar Road821 m away | 172 m² | 211 m² | +39 m² +23% | 2023 |
|---|
| 12, Woodside Avenue862 m away | 129 m² | 168 m² | +39 m² +30% | 2021 |
|---|
| 128, Hythe Road452 m away | 97 m² | 136 m² | +39 m² +40% | 2020 |
|---|
| 16, Varndean Gardens730 m away | 231 m² | 270 m² | +39 m² +17% | 2018 |
|---|
| 39, Friar Crescent778 m away | 117 m² | 156 m² | +39 m² +33% | 2014 |
|---|
| 18, Clermont Terrace712 m away | 49 m² | 88 m² | +39 m² +80% | 2011 |
|---|
| 28, Friar Road821 m away | 140 m² | 178 m² | +38 m² +27% | 2025 |
|---|
| 15, Bates Road128 m away | 92 m² | 130 m² | +38 m² +41% | 2021 |
|---|
| 89, Stanmer Villas803 m away | 119 m² | 157 m² | +38 m² +32% | 2020 |
|---|
| 5, Reigate Road963 m away | 103 m² | 141 m² | +38 m² +37% | 2020 |
|---|
| Cirema, Hollingbury Rise West731 m away | 97 m² | 135 m² | +38 m² +39% | 2019 |
|---|
| 38, Hollingbury Road906 m away | 81 m² | 119 m² | +38 m² +47% | 2014 |
|---|
| 47, Gordon Road74 m away | 70 m² | 107 m² | +37 m² +53% | 2025 |
|---|
| 16, Preston Village Mews632 m away | 95 m² | 132 m² | +37 m² +39% | 2020 |
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| 43, Hollingbury Place973 m away | 97 m² | 134 m² | +37 m² +38% | 2020 |
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| 55, Surrenden Crescent871 m away | 140 m² | 177 m² | +37 m² +26% | 2017 |
|---|
| Basement, 45c, Dyke Road Drive993 m away | 45 m² | 82 m² | +37 m² +82% | 2016 |
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| 42, Reigate Road961 m away | 135 m² | 172 m² | +37 m² +27% | 2015 |
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| 295b, Ditchling Road609 m away | 67 m² | 104 m² | +37 m² +55% | 2013 |
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| 29, Tivoli Road995 m away | 120 m² | 157 m² | +37 m² +31% | 2013 |
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| 95, Loder Road206 m away | 105 m² | 142 m² | +37 m² +35% | 2012 |
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| 80, Preston Drove112 m away | 161 m² | 197 m² | +36 m² +22% | 2024 |
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| 17, Loder Road206 m away | 105 m² | 141 m² | +36 m² +34% | 2024 |
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| 70, Cliveden Court, Cliveden Close635 m away | 60 m² | 96 m² | +36 m² +60% | 2023 |
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| 111, Compton Road934 m away | 96 m² | 132 m² | +36 m² +38% | 2023 |
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| 9, Dyke Road Drive993 m away | 98 m² | 134 m² | +36 m² +37% | 2022 |
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| 53, Surrenden Crescent871 m away | 199 m² | 235 m² | +36 m² +18% | 2020 |
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| 2, Hollingdean Terrace942 m away | 81 m² | 117 m² | +36 m² +44% | 2017 |
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| 29, Robertson Road787 m away | 43 m² | 79 m² | +36 m² +84% | 2015 |
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| 352, Ditchling Road655 m away | 131 m² | 166 m² | +35 m² +27% | 2025 |
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| 46, Withdean Crescent891 m away | 196 m² | 231 m² | +35 m² +18% | 2025 |
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| 14, Edburton Avenue810 m away | 106 m² | 141 m² | +35 m² +33% | 2023 |
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| 17, Dover Road533 m away | 98 m² | 133 m² | +35 m² +36% | 2022 |
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| 73a, Millers Road847 m away | 41 m² | 76 m² | +35 m² +85% | 2022 |
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| 180, Havelock Road272 m away | 101 m² | 136 m² | +35 m² +35% | 2020 |
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| 85, Havelock Road541 m away | 92 m² | 127 m² | +35 m² +38% | 2020 |
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| 74, Florence Road907 m away | 120 m² | 155 m² | +35 m² +29% | 2020 |
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| 86, Roedale Road954 m away | 85 m² | 120 m² | +35 m² +41% | 2019 |
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| 60, Sandgate Road464 m away | 69 m² | 104 m² | +35 m² +51% | 2018 |
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| 16, Harrington Place858 m away | 75 m² | 110 m² | +35 m² +47% | 2018 |
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| 22, Hollingbury Rise922 m away | 88 m² | 123 m² | +35 m² +40% | 2016 |
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| 1, Southdown Place591 m away | 98 m² | 133 m² | +35 m² +36% | 2015 |
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| 55, Tivoli Crescent971 m away | 60 m² | 95 m² | +35 m² +58% | 2012 |
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| 24, Gordon Road52 m away | 37 m² | 71 m² | +34 m² +92% | 2024 |
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| 66, Waldegrave Road528 m away | 108 m² | 142 m² | +34 m² +31% | 2024 |
|---|
| 94, Osborne Road370 m away | 93 m² | 127 m² | +34 m² +37% | 2023 |
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| 189, Hollingdean Terrace887 m away | 76 m² | 110 m² | +34 m² +45% | 2023 |
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| 81, Hollingbury Park Avenue678 m away | 115 m² | 149 m² | +34 m² +30% | 2020 |
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| 37, Reigate Road961 m away | 106 m² | 140 m² | +34 m² +32% | 2020 |
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| 47, Compton Road934 m away | 98 m² | 132 m² | +34 m² +35% | 2019 |
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| 71, Stanmer Villas803 m away | 78 m² | 112 m² | +34 m² +44% | 2018 |
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| 119, Waldegrave Road289 m away | 108 m² | 142 m² | +34 m² +31% | 2013 |
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| 28, Sandgate Road464 m away | 73 m² | 106 m² | +33 m² +45% | 2026 |
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| 103, Stanmer Park Road778 m away | 71 m² | 104 m² | +33 m² +46% | 2025 |
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| 181, Hollingdean Terrace887 m away | 91 m² | 124 m² | +33 m² +36% | 2025 |
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| 32, Ashford Road487 m away | 73 m² | 106 m² | +33 m² +45% | 2023 |
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| 92, Hythe Road452 m away | 119 m² | 152 m² | +33 m² +28% | 2022 |
|---|
| 67, Florence Road901 m away | 128 m² | 161 m² | +33 m² +26% | 2021 |
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| 52, Hollingbury Park Avenue720 m away | 110 m² | 143 m² | +33 m² +30% | 2020 |
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| 3a, Beaconsfield Parade923 m away | 71 m² | 104 m² | +33 m² +46% | 2017 |
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| 136, Osborne Road370 m away | 91 m² | 124 m² | +33 m² +36% | 2015 |
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| 106, Stanford Avenue664 m away | 179 m² | 212 m² | +33 m² +18% | 2014 |
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| 47, Rugby Road810 m away | 146 m² | 179 m² | +33 m² +23% | 2013 |
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| 27, Stanmer Villas807 m away | 84 m² | 117 m² | +33 m² +39% | 2012 |
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| 27, Hollingbury Road869 m away | 96 m² | 129 m² | +33 m² +34% | 2012 |
|---|
| 16, Hollingbury Road906 m away | 121 m² | 154 m² | +33 m² +27% | 2012 |
|---|
| 40, Stanmer Park Road775 m away | 67 m² | 99 m² | +32 m² +48% | 2023 |
|---|
| 20, Hampstead Road880 m away | 106 m² | 138 m² | +32 m² +30% | 2021 |
|---|
| 68, Sandgate Road464 m away | 70 m² | 102 m² | +32 m² +46% | 2020 |
|---|
| 46, Reigate Road961 m away | 75 m² | 107 m² | +32 m² +43% | 2020 |
|---|
| 40, Balfour Road110 m away | 100 m² | 132 m² | +32 m² +32% | 2018 |
|---|
| 15, Upper Hollingdean Road988 m away | 135 m² | 167 m² | +32 m² +24% | 2018 |
|---|
| 50, Waldegrave Road528 m away | 106 m² | 137 m² | +31 m² +29% | 2026 |
|---|
| 95, Tivoli Crescent North953 m away | 104 m² | 135 m² | +31 m² +30% | 2025 |
|---|
| 5, Southdown Place591 m away | 100 m² | 131 m² | +31 m² +31% | 2024 |
|---|
| 410, Ditchling Road645 m away | 99 m² | 130 m² | +31 m² +31% | 2024 |
|---|
| 15, Reigate Road963 m away | 111 m² | 142 m² | +31 m² +28% | 2024 |
|---|
| 13, Dyke Road Drive993 m away | 105 m² | 136 m² | +31 m² +30% | 2024 |
|---|
| 109, Stanmer Villas803 m away | 84 m² | 115 m² | +31 m² +37% | 2022 |
|---|
| 30, Surrenden Road108 m away | 117 m² | 148 m² | +31 m² +26% | 2021 |
|---|
| 56, Osborne Road231 m away | 90 m² | 121 m² | +31 m² +34% | 2021 |
|---|
| 130, Osborne Road370 m away | 76 m² | 107 m² | +31 m² +41% | 2018 |
|---|
| 27, Cleveland Road552 m away | 107 m² | 138 m² | +31 m² +29% | 2015 |
|---|
| 18, Friar Road821 m away | 167 m² | 198 m² | +31 m² +19% | 2014 |
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| 27, Harrington Place858 m away | 83 m² | 113 m² | +30 m² +36% | 2026 |
|---|
| 6, Friar Road821 m away | 153 m² | 183 m² | +30 m² +20% | 2025 |
|---|
| 193, Preston Drove360 m away | 114 m² | 144 m² | +30 m² +26% | 2022 |
|---|
| 95, Stanford Avenue630 m away | 125 m² | 155 m² | +30 m² +24% | 2022 |
|---|
| 41, Osborne Road191 m away | 108 m² | 138 m² | +30 m² +28% | 2021 |
|---|
| 50, Balfour Road210 m away | 110 m² | 140 m² | +30 m² +27% | 2020 |
|---|
| 1, Hollingbury Crescent847 m away | 109 m² | 139 m² | +30 m² +28% | 2019 |
|---|
| 227, Ditchling Road729 m away | 49 m² | 79 m² | +30 m² +61% | 2017 |
|---|
| 16, Beacon Close582 m away | 80 m² | 110 m² | +30 m² +38% | 2015 |
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| 51, Surrenden Road376 m away | 136 m² | 166 m² | +30 m² +22% | 2013 |
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| 9, Elms Lea Avenue772 m away | 158 m² | 188 m² | +30 m² +19% | 2013 |
|---|
| 53, Hollingbury Road869 m away | 120 m² | 150 m² | +30 m² +25% | 2013 |
|---|
| 12, Hollingbury Road906 m away | 48 m² | 78 m² | +30 m² +63% | 2009 |
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