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 6SH
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 |
|---|---|---|---|---|
| 46, Tongdean Avenue934 m away | 350 m² | 667 m² | +317 m² +91% | 2018 |
| 41, Withdean Road673 m away | 180 m² | 424 m² | +244 m² +136% | 2016 |
| 9, Withdean Crescent868 m away | 137 m² | 337 m² | +200 m² +146% | 2013 |
| 12, Mallory Road675 m away | 169 m² | 368 m² | +199 m² +118% | 2015 |
| 105, Shirley Drive795 m away | 144 m² | 334 m² | +190 m² +132% | 2021 |
| 3, Kelly Road705 m away | 134 m² | 322 m² | +188 m² +140% | 2024 |
| 1, Radinden Manor Road978 m away | 248 m² | 434 m² | +186 m² +75% | 2018 |
| 261, Dyke Road597 m away | 230 m² | 409 m² | +179 m² +78% | 2022 |
| 41, Bishops Road863 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.
| 130 m² |
| 301 m² |
| +171 m² +132% |
| 2025 |
| 39, Withdean Road673 m away | 229 m² | 388 m² | +159 m² +69% | 2024 |
|---|
| 24, Peacock Lane998 m away | 116 m² | 274 m² | +158 m² +136% | 2023 |
|---|
| 11, Bishops Road961 m away | 146 m² | 294 m² | +148 m² +101% | 2022 |
|---|
| 6, Varndean Road529 m away | 114 m² | 258 m² | +144 m² +126% | 2022 |
|---|
| 32, Radinden Manor Road978 m away | 153 m² | 295 m² | +142 m² +93% | 2021 |
|---|
| 14, Tongdean Avenue764 m away | 202 m² | 332 m² | +130 m² +64% | 2021 |
|---|
| 12, Lloyd Road897 m away | 245 m² | 371 m² | +126 m² +51% | 2016 |
|---|
| 5, Woodruff Avenue554 m away | 148 m² | 270 m² | +122 m² +82% | 2022 |
|---|
| 1, Elms Lea Avenue290 m away | 157 m² | 275 m² | +118 m² +75% | 2023 |
|---|
| 4, Barrowfield Close822 m away | 116 m² | 225 m² | +109 m² +94% | 2016 |
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| 9, Cedars Gardens569 m away | 135 m² | 241 m² | +106 m² +79% | 2018 |
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| Elm House, 2a, Bishops Road961 m away | 195 m² | 297 m² | +102 m² +52% | 2023 |
|---|
| 13, Cedars Gardens569 m away | 113 m² | 214 m² | +101 m² +89% | 2025 |
|---|
| 3, Wayland Avenue763 m away | 113 m² | 210 m² | +97 m² +86% | 2023 |
|---|
| 40, Withdean Road495 m away | 329 m² | 424 m² | +95 m² +29% | 2016 |
|---|
| 68, Beaconsfield Villas846 m away | 63 m² | 157 m² | +94 m² +149% | 2016 |
|---|
| 9, The Beeches705 m away | 110 m² | 203 m² | +93 m² +85% | 2021 |
|---|
| 37, Tivoli Road283 m away | 99 m² | 191 m² | +92 m² +93% | 2025 |
|---|
| 10, Tongdean Avenue764 m away | 171 m² | 261 m² | +90 m² +53% | 2020 |
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| 50, Woodruff Avenue918 m away | 136 m² | 225 m² | +89 m² +65% | 2020 |
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| 55, Tongdean Avenue934 m away | 521 m² | 609 m² | +88 m² +17% | 2024 |
|---|
| 20, Woodlands708 m away | 186 m² | 273 m² | +87 m² +47% | 2023 |
|---|
| 77, Peacock Lane998 m away | 154 m² | 241 m² | +87 m² +56% | 2022 |
|---|
| 32, The Park Apartments, London Road909 m away | 70 m² | 157 m² | +87 m² +124% | 2019 |
|---|
| 105, Tivoli Crescent North250 m away | 93 m² | 179 m² | +86 m² +92% | 2015 |
|---|
| 8, Kelly Road705 m away | 104 m² | 189 m² | +85 m² +82% | 2019 |
|---|
| 182, Tivoli Crescent North250 m away | 164 m² | 247 m² | +83 m² +51% | 2022 |
|---|
| 9, Lloyd Road897 m away | 132 m² | 214 m² | +82 m² +62% | 2026 |
|---|
| 9, Woodside Avenue156 m away | 116 m² | 197 m² | +81 m² +70% | 2026 |
|---|
| 20, Peacock Lane998 m away | 148 m² | 229 m² | +81 m² +55% | 2021 |
|---|
| 35, Withdean Crescent868 m away | 129 m² | 210 m² | +81 m² +63% | 2017 |
|---|
| 6, Elrington Road776 m away | 125 m² | 206 m² | +81 m² +65% | 2015 |
|---|
| 17, Compton Road488 m away | 54 m² | 134 m² | +80 m² +148% | 2023 |
|---|
| 49, Tongdean Avenue934 m away | 150 m² | 230 m² | +80 m² +53% | 2016 |
|---|
| 46, Woodruff Avenue918 m away | 179 m² | 259 m² | +80 m² +45% | 2011 |
|---|
| 10, Withdean Road495 m away | 203 m² | 282 m² | +79 m² +39% | 2022 |
|---|
| 36, Withdean Road495 m away | 300 m² | 379 m² | +79 m² +26% | 2011 |
|---|
| 18, Tivoli Crescent249 m away | 153 m² | 231 m² | +78 m² +51% | 2023 |
|---|
| 3, Rigden Road959 m away | 180 m² | 258 m² | +78 m² +43% | 2017 |
|---|
| 14, Harrington Road320 m away | 106 m² | 184 m² | +78 m² +74% | 2016 |
|---|
| 13, Lauriston Road207 m away | 76 m² | 153 m² | +77 m² +101% | 2024 |
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| 317, Dyke Road433 m away | 259 m² | 336 m² | +77 m² +30% | 2017 |
|---|
| 65, Surrenden Road579 m away | 101 m² | 178 m² | +77 m² +76% | 2012 |
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| 45, Hove Park Road833 m away | 164 m² | 239 m² | +75 m² +46% | 2023 |
|---|
| 34, Dyke Road Avenue757 m away | 412 m² | 486 m² | +74 m² +18% | 2022 |
|---|
| 28, Gordon Road740 m away | 74 m² | 147 m² | +73 m² +99% | 2020 |
|---|
| 255, Preston Road144 m away | 210 m² | 282 m² | +72 m² +34% | 2024 |
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| 281, Dyke Road461 m away | 250 m² | 321 m² | +71 m² +28% | 2026 |
|---|
| 34, Radinden Manor Road978 m away | 254 m² | 325 m² | +71 m² +28% | 2019 |
|---|
| 29, Woodruff Avenue708 m away | 168 m² | 238 m² | +70 m² +42% | 2017 |
|---|
| 46, Compton Road478 m away | 47 m² | 117 m² | +70 m² +149% | 2014 |
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| 10, Peacock Lane998 m away | 156 m² | 225 m² | +69 m² +44% | 2015 |
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| 2, Park View Terrace933 m away | 169 m² | 236 m² | +67 m² +40% | 2025 |
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| 23, The Droveway612 m away | 78 m² | 145 m² | +67 m² +86% | 2024 |
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| 5, Withdean Court Avenue671 m away | 234 m² | 301 m² | +67 m² +29% | 2022 |
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| 13, Rigden Road959 m away | 127 m² | 193 m² | +66 m² +52% | 2013 |
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| Karibu, London Road939 m away | 162 m² | 227 m² | +65 m² +40% | 2025 |
|---|
| 13, Harrington Road320 m away | 142 m² | 207 m² | +65 m² +46% | 2019 |
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| 6, Cornwall Gardens481 m away | 146 m² | 211 m² | +65 m² +45% | 2013 |
|---|
| 57b, Shirley Drive746 m away | 94 m² | 158 m² | +64 m² +68% | 2012 |
|---|
| 27, Preston Park Avenue862 m away | 85 m² | 148 m² | +63 m² +74% | 2022 |
|---|
| 50, The Droveway849 m away | 142 m² | 205 m² | +63 m² +44% | 2016 |
|---|
| 60, The Upper Drive766 m away | 93 m² | 155 m² | +62 m² +67% | 2026 |
|---|
| 91, Shirley Drive795 m away | 320 m² | 382 m² | +62 m² +19% | 2025 |
|---|
| 9, The Martlet714 m away | 120 m² | 182 m² | +62 m² +52% | 2016 |
|---|
| 59, Withdean Crescent868 m away | 70 m² | 132 m² | +62 m² +89% | 2013 |
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| 59, Tivoli Crescent311 m away | 80 m² | 141 m² | +61 m² +76% | 2026 |
|---|
| 4, Stanford Close967 m away | 260 m² | 321 m² | +61 m² +23% | 2025 |
|---|
| 7, Cedars Gardens569 m away | 162 m² | 221 m² | +59 m² +36% | 2025 |
|---|
| 50, Withdean Crescent829 m away | 201 m² | 260 m² | +59 m² +29% | 2024 |
|---|
| 26, Peacock Lane998 m away | 136 m² | 195 m² | +59 m² +43% | 2024 |
|---|
| 304, Dyke Road376 m away | 231 m² | 290 m² | +59 m² +26% | 2021 |
|---|
| 5, Orpen Road760 m away | 146 m² | 204 m² | +58 m² +40% | 2023 |
|---|
| 6, Hove Park Road668 m away | 226 m² | 283 m² | +57 m² +25% | 2025 |
|---|
| 158, Tivoli Crescent North250 m away | 135 m² | 192 m² | +57 m² +42% | 2015 |
|---|
| Minley, South Road351 m away | 121 m² | 178 m² | +57 m² +47% | 2014 |
|---|
| 15, Hampstead Road229 m away | 208 m² | 263 m² | +55 m² +26% | 2026 |
|---|
| 1, Orpen Road760 m away | 208 m² | 263 m² | +55 m² +26% | 2023 |
|---|
| 23, Maldon Road339 m away | 77 m² | 132 m² | +55 m² +71% | 2021 |
|---|
| 17, Lauriston Road207 m away | 152 m² | 207 m² | +55 m² +36% | 2020 |
|---|
| Cinderford, Cornwall Gardens501 m away | 82 m² | 136 m² | +54 m² +66% | 2025 |
|---|
| 63, Loder Road742 m away | 106 m² | 160 m² | +54 m² +51% | 2023 |
|---|
| 46b, Withdean Road673 m away | 127 m² | 181 m² | +54 m² +43% | 2022 |
|---|
| 4, Bishops Road961 m away | 229 m² | 282 m² | +53 m² +23% | 2026 |
|---|
| 33, Reigate Road521 m away | 93 m² | 145 m² | +52 m² +56% | 2019 |
|---|
| 6, Woodruff Avenue554 m away | 323 m² | 375 m² | +52 m² +16% | 2014 |
|---|
| 5, Kingsley Road276 m away | 87 m² | 138 m² | +51 m² +59% | 2022 |
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| 24, Elrington Road776 m away | 106 m² | 157 m² | +51 m² +48% | 2022 |
|---|
| 8, Woodside Avenue156 m away | 51 m² | 102 m² | +51 m² +100% | 2021 |
|---|
| 4, Loder Road720 m away | 46 m² | 97 m² | +51 m² +111% | 2020 |
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| 22, Hove Park Road828 m away | 197 m² | 247 m² | +50 m² +25% | 2026 |
|---|
| 26, Hampstead Road229 m away | 143 m² | 193 m² | +50 m² +35% | 2023 |
|---|
| 54, Shirley Drive863 m away | 135 m² | 185 m² | +50 m² +37% | 2022 |
|---|
| 43, Tivoli Crescent311 m away | 124 m² | 174 m² | +50 m² +40% | 2021 |
|---|
| 1b, Onslow Road557 m away | 143 m² | 193 m² | +50 m² +35% | 2016 |
|---|
| 309, Dyke Road461 m away | 150 m² | 200 m² | +50 m² +33% | 2013 |
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| 51, Surrenden Crescent962 m away | 137 m² | 186 m² | +49 m² +36% | 2026 |
|---|
| 16, Rigden Road959 m away | 165 m² | 214 m² | +49 m² +30% | 2022 |
|---|
| 73, Loder Road742 m away | 53 m² | 102 m² | +49 m² +92% | 2016 |
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| 30, Matlock Road315 m away | 108 m² | 156 m² | +48 m² +44% | 2023 |
|---|
| 5, Woodlands708 m away | 139 m² | 187 m² | +48 m² +35% | 2022 |
|---|
| 37, Bates Road776 m away | 96 m² | 143 m² | +47 m² +49% | 2025 |
|---|
| 4, Cedars Gardens569 m away | 200 m² | 247 m² | +47 m² +24% | 2023 |
|---|
| 105, Waldegrave Road940 m away | 99 m² | 145 m² | +46 m² +46% | 2023 |
|---|
| 15, Gordon Road737 m away | 46 m² | 91 m² | +45 m² +98% | 2021 |
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| 5, Gordon Road737 m away | 49 m² | 93 m² | +44 m² +90% | 2024 |
|---|
| 56, The Droveway849 m away | 176 m² | 220 m² | +44 m² +25% | 2024 |
|---|
| 33, Tivoli Road283 m away | 145 m² | 189 m² | +44 m² +30% | 2012 |
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| 3, The Drove344 m away | 109 m² | 152 m² | +43 m² +39% | 2026 |
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| Flat 9, South Court, 196, Dyke Road878 m away | 124 m² | 167 m² | +43 m² +35% | 2024 |
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| 3, Withdean Rise733 m away | 121 m² | 164 m² | +43 m² +36% | 2023 |
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| 108, Waldegrave Road972 m away | 106 m² | 149 m² | +43 m² +41% | 2014 |
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| 2, Maldon Road313 m away | 127 m² | 169 m² | +42 m² +33% | 2026 |
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| 48, Surrenden Crescent892 m away | 174 m² | 215 m² | +41 m² +24% | 2022 |
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| 65, Maldon Road339 m away | 48 m² | 89 m² | +41 m² +85% | 2021 |
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| 37, Withdean Crescent868 m away | 178 m² | 219 m² | +41 m² +23% | 2016 |
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| 8, Robertson Road246 m away | 94 m² | 134 m² | +40 m² +43% | 2025 |
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| 108, Preston Drove795 m away | 45 m² | 85 m² | +40 m² +89% | 2023 |
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| 5, Barrowfield Drive558 m away | 179 m² | 219 m² | +40 m² +22% | 2020 |
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| 30, Bates Road775 m away | 91 m² | 131 m² | +40 m² +44% | 2020 |
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| 36, Tivoli Crescent249 m away | 35 m² | 75 m² | +40 m² +114% | 2013 |
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| 38a, Whittingehame Gardens709 m away | 165 m² | 205 m² | +40 m² +24% | 2013 |
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| 19, Herbert Road712 m away | 98 m² | 137 m² | +39 m² +40% | 2023 |
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| 12, Woodside Avenue156 m away | 129 m² | 168 m² | +39 m² +30% | 2021 |
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| 16, Varndean Gardens701 m away | 231 m² | 270 m² | +39 m² +17% | 2018 |
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| 18, Clermont Terrace0 m away | 49 m² | 88 m² | +39 m² +80% | 2011 |
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| 11, The Paddock807 m away | 120 m² | 158 m² | +38 m² +32% | 2024 |
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| 36, Hove Park Road828 m away | 187 m² | 225 m² | +38 m² +20% | 2023 |
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| 15, Bates Road776 m away | 92 m² | 130 m² | +38 m² +41% | 2021 |
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| 5, Reigate Road612 m away | 103 m² | 141 m² | +38 m² +37% | 2020 |
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| 39, Port Hall Street940 m away | 119 m² | 157 m² | +38 m² +32% | 2020 |
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| 8, Bishops Road961 m away | 219 m² | 257 m² | +38 m² +17% | 2020 |
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| 21, Woodruff Avenue708 m away | 211 m² | 249 m² | +38 m² +18% | 2018 |
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| 47, Gordon Road737 m away | 70 m² | 107 m² | +37 m² +53% | 2025 |
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| 16, Preston Village Mews328 m away | 95 m² | 132 m² | +37 m² +39% | 2020 |
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| 55, Surrenden Crescent962 m away | 140 m² | 177 m² | +37 m² +26% | 2017 |
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| 42, Reigate Road521 m away | 135 m² | 172 m² | +37 m² +27% | 2015 |
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| 29, Tivoli Road283 m away | 120 m² | 157 m² | +37 m² +31% | 2013 |
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| 95, Loder Road742 m away | 105 m² | 142 m² | +37 m² +35% | 2012 |
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| 80, Preston Drove705 m away | 161 m² | 197 m² | +36 m² +22% | 2024 |
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| 17, Loder Road742 m away | 105 m² | 141 m² | +36 m² +34% | 2024 |
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| 70, Cliveden Court, Cliveden Close370 m away | 60 m² | 96 m² | +36 m² +60% | 2023 |
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| 111, Compton Road488 m away | 96 m² | 132 m² | +36 m² +38% | 2023 |
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| 53, Surrenden Crescent962 m away | 199 m² | 235 m² | +36 m² +18% | 2020 |
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| 29, Robertson Road246 m away | 43 m² | 79 m² | +36 m² +84% | 2015 |
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| 46, Withdean Crescent829 m away | 196 m² | 231 m² | +35 m² +18% | 2025 |
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| 73a, Millers Road540 m away | 41 m² | 76 m² | +35 m² +85% | 2022 |
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| 180, Havelock Road904 m away | 101 m² | 136 m² | +35 m² +35% | 2020 |
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| 7, Wayland Avenue763 m away | 177 m² | 212 m² | +35 m² +20% | 2018 |
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| 8, The Martlet714 m away | 93 m² | 128 m² | +35 m² +38% | 2015 |
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| 55, Tivoli Crescent311 m away | 60 m² | 95 m² | +35 m² +58% | 2012 |
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| 24, Gordon Road740 m away | 37 m² | 71 m² | +34 m² +92% | 2024 |
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| 37, Reigate Road521 m away | 106 m² | 140 m² | +34 m² +32% | 2020 |
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| 42a, Shirley Drive863 m away | 110 m² | 144 m² | +34 m² +31% | 2020 |
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| 47, Compton Road488 m away | 98 m² | 132 m² | +34 m² +35% | 2019 |
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| 119, Waldegrave Road940 m away | 108 m² | 142 m² | +34 m² +31% | 2013 |
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| 20, Hampstead Road229 m away | 106 m² | 138 m² | +32 m² +30% | 2021 |
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| 46, Reigate Road521 m away | 75 m² | 107 m² | +32 m² +43% | 2020 |
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| 11, Woodlands708 m away | 186 m² | 218 m² | +32 m² +17% | 2020 |
|---|
| 40, Balfour Road822 m away | 100 m² | 132 m² | +32 m² +32% | 2018 |
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| 95, Tivoli Crescent North250 m away | 104 m² | 135 m² | +31 m² +30% | 2025 |
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| 15, Reigate Road612 m away | 111 m² | 142 m² | +31 m² +28% | 2024 |
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| 30, Surrenden Road649 m away | 117 m² | 148 m² | +31 m² +26% | 2021 |
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| 56, Osborne Road942 m away | 90 m² | 121 m² | +31 m² +34% | 2021 |
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| 11, Maldon Road339 m away | 109 m² | 140 m² | +31 m² +28% | 2019 |
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| 10, Kestrel Close832 m away | 95 m² | 125 m² | +30 m² +32% | 2026 |
|---|
| 41, Osborne Road902 m away | 108 m² | 138 m² | +30 m² +28% | 2021 |
|---|
| 50, Balfour Road907 m away | 110 m² | 140 m² | +30 m² +27% | 2020 |
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| 41, Maldon Road339 m away | 100 m² | 130 m² | +30 m² +30% | 2019 |
|---|
| 9, Elms Lea Avenue290 m away | 158 m² | 188 m² | +30 m² +19% | 2013 |
|---|
| 51, Surrenden Road579 m away | 136 m² | 166 m² | +30 m² +22% | 2013 |
|---|
| 32, Matlock Road315 m away | 118 m² | 147 m² | +29 m² +25% | 2024 |
|---|
| Flat 27, Fairways, Dyke Road906 m away | 40 m² | 69 m² | +29 m² +73% | 2024 |
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| 79, Preston Drove700 m away | 52 m² | 81 m² | +29 m² +56% | 2023 |
|---|
| 77, Bates Road776 m away | 90 m² | 119 m² | +29 m² +32% | 2023 |
|---|
| 4b, Robertson Road246 m away | 39 m² | 68 m² | +29 m² +74% | 2022 |
|---|
| 5, Hazeldene Meads558 m away | 161 m² | 190 m² | +29 m² +18% | 2019 |
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| 4, Radinden Manor Road978 m away | 181 m² | 210 m² | +29 m² +16% | 2016 |
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| 30, Shirley Drive802 m away | 188 m² | 217 m² | +29 m² +15% | 2015 |
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| 34, Kingsley Road276 m away | 76 m² | 104 m² | +28 m² +37% | 2025 |
|---|
| 91, Peacock Lane998 m away | 174 m² | 202 m² | +28 m² +16% | 2023 |
|---|
| 302, Dyke Road376 m away | 162 m² | 190 m² | +28 m² +17% | 2020 |
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| 2, Scarborough Road272 m away | 74 m² | 102 m² | +28 m² +38% | 2018 |
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| 26, Belle Vue Court, 21 - 22, Preston Park Avenue862 m away | 94 m² | 121 m² | +27 m² +29% | 2025 |
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| 53, Highcroft Villas665 m away | 24 m² | 51 m² | +27 m² +113% | 2022 |
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| 6, Gordon Road740 m away | 117 m² | 144 m² | +27 m² +23% | 2019 |
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| 124, Beaconsfield Villas846 m away | 170 m² | 197 m² | +27 m² +16% | 2017 |
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| Flat 4, 212, Preston Road212 m away | 41 m² | 68 m² | +27 m² +66% | 2016 |
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| 7, Fairlie Gardens715 m away | 91 m² | 117 m² | +26 m² +29% | 2025 |
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| 123, Waldegrave Road940 m away | 48 m² | 74 m² | +26 m² +54% | 2025 |
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| 9, Herbert Road712 m away | 98 m² | 124 m² | +26 m² +27% | 2022 |
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