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 9XW
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 |
|---|---|---|---|---|
| 24, West Drive492 m away | 86 m² | 201 m² | +115 m² +134% | 2022 |
| 22, South Avenue784 m away | 162 m² | 263 m² | +101 m² +62% | 2026 |
| 29, Albion Hill603 m away | 78 m² | 176 m² | +98 m² +126% | 2025 |
| 22, West Drive492 m away | 115 m² | 212 m² | +97 m² +84% | 2016 |
| 225, Hartington Road523 m away | 86 m² | 178 m² | +92 m² +107% | 2023 |
| 15, Freshfield Place815 m away | 99 m² | 178 m² | +79 m² +80% | 2019 |
| 46, Ewhurst Road992 m away | 77 m² | 152 m² | +75 m² +97% | 2023 |
| 116, Bonchurch Road334 m away | 135 m² | 205 m² | +70 m² +52% | 2025 |
| Flat 5, 12 - 14, Wellington Road381 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.
| 66 m² |
| 135 m² |
| +69 m² +105% |
| 2019 |
| 12, Park Crescent Terrace718 m away | 57 m² | 125 m² | +68 m² +119% | 2015 |
|---|
| 11, Holland Street548 m away | 59 m² | 126 m² | +67 m² +114% | 2023 |
|---|
| 210, Elm Grove257 m away | 135 m² | 201 m² | +66 m² +49% | 2024 |
|---|
| 47a, Lewes Road563 m away | 82 m² | 147 m² | +65 m² +79% | 2020 |
|---|
| 1, Coleman Street434 m away | 57 m² | 122 m² | +65 m² +114% | 2019 |
|---|
| 82, Queens Park Road697 m away | 89 m² | 152 m² | +63 m² +71% | 2021 |
|---|
| 147, Hartington Road523 m away | 113 m² | 176 m² | +63 m² +56% | 2015 |
|---|
| 164, Freshfield Road453 m away | 73 m² | 136 m² | +63 m² +86% | 2009 |
|---|
| 171, Queens Park Road448 m away | 103 m² | 164 m² | +61 m² +59% | 2019 |
|---|
| 18, Walpole Terrace890 m away | 192 m² | 253 m² | +61 m² +32% | 2019 |
|---|
| 34, Islingword Place198 m away | 64 m² | 124 m² | +60 m² +94% | 2024 |
|---|
| 129, Ditchling Road951 m away | 134 m² | 193 m² | +59 m² +44% | 2023 |
|---|
| 148, Queens Park Road455 m away | 49 m² | 107 m² | +58 m² +118% | 2014 |
|---|
| 21, Hanover Crescent552 m away | 167 m² | 224 m² | +57 m² +34% | 2020 |
|---|
| 53, Shanklin Road649 m away | 54 m² | 111 m² | +57 m² +106% | 2019 |
|---|
| 78, Richmond Road855 m away | 93 m² | 150 m² | +57 m² +61% | 2018 |
|---|
| 9, Princes Crescent873 m away | 39 m² | 95 m² | +56 m² +144% | 2010 |
|---|
| 28 - 29, Richmond Place844 m away | 68 m² | 122 m² | +54 m² +79% | 2024 |
|---|
| 20, Bernard Road360 m away | 49 m² | 103 m² | +54 m² +110% | 2019 |
|---|
| 1, Carisbrooke Road509 m away | 47 m² | 101 m² | +54 m² +115% | 2013 |
|---|
| 60, Richmond Road855 m away | 171 m² | 224 m² | +53 m² +31% | 2026 |
|---|
| 1, Hartington Road566 m away | 41 m² | 94 m² | +53 m² +129% | 2021 |
|---|
| 15, Cromwell Street187 m away | 47 m² | 100 m² | +53 m² +113% | 2017 |
|---|
| 55, Hartington Road566 m away | 105 m² | 158 m² | +53 m² +50% | 2016 |
|---|
| 173, Freshfield Road427 m away | 55 m² | 107 m² | +52 m² +95% | 2023 |
|---|
| 57, Totland Road368 m away | 98 m² | 150 m² | +52 m² +53% | 2017 |
|---|
| 18, Hartington Road463 m away | 152 m² | 203 m² | +51 m² +34% | 2022 |
|---|
| 29, Queens Park Road708 m away | 55 m² | 106 m² | +51 m² +93% | 2014 |
|---|
| 16, Freshfield Place815 m away | 76 m² | 127 m² | +51 m² +67% | 2014 |
|---|
| 24, Ewhurst Road992 m away | 57 m² | 107 m² | +50 m² +88% | 2009 |
|---|
| 59, Upper Lewes Road731 m away | 43 m² | 92 m² | +49 m² +114% | 2020 |
|---|
| 31, Caledonian Road624 m away | 81 m² | 130 m² | +49 m² +60% | 2019 |
|---|
| 9, Coronation Street366 m away | 84 m² | 133 m² | +49 m² +58% | 2012 |
|---|
| 35, Baker Street895 m away | 93 m² | 141 m² | +48 m² +52% | 2024 |
|---|
| 61, Ladysmith Road948 m away | 59 m² | 107 m² | +48 m² +81% | 2022 |
|---|
| 155, Hartington Road523 m away | 94 m² | 141 m² | +47 m² +50% | 2023 |
|---|
| 41, Carlyle Street28 m away | 71 m² | 118 m² | +47 m² +66% | 2020 |
|---|
| 183, Lewes Road519 m away | 52 m² | 99 m² | +47 m² +90% | 2017 |
|---|
| 166, Freshfield Road453 m away | 73 m² | 119 m² | +46 m² +63% | 2014 |
|---|
| 20, Wellington Road381 m away | 54 m² | 99 m² | +45 m² +83% | 2024 |
|---|
| 6, Upper Wellington Road430 m away | 89 m² | 134 m² | +45 m² +51% | 2024 |
|---|
| 5, Fairlight Place577 m away | 40 m² | 85 m² | +45 m² +113% | 2018 |
|---|
| 65, Bonchurch Road312 m away | 103 m² | 147 m² | +44 m² +43% | 2025 |
|---|
| 80, Queens Park Rise373 m away | 104 m² | 148 m² | +44 m² +42% | 2025 |
|---|
| 24, Brading Road321 m away | 79 m² | 123 m² | +44 m² +56% | 2022 |
|---|
| 50, Belgrave Street595 m away | 70 m² | 114 m² | +44 m² +63% | 2022 |
|---|
| 99, Hanover Terrace479 m away | 105 m² | 149 m² | +44 m² +42% | 2018 |
|---|
| 62, Roundhill Crescent754 m away | 43 m² | 87 m² | +44 m² +102% | 2013 |
|---|
| 15, Freshfield Street258 m away | 72 m² | 115 m² | +43 m² +60% | 2024 |
|---|
| 26, May Road668 m away | 106 m² | 149 m² | +43 m² +41% | 2024 |
|---|
| 105, Queensway517 m away | 82 m² | 125 m² | +43 m² +52% | 2023 |
|---|
| 207, Freshfield Road427 m away | 98 m² | 141 m² | +43 m² +44% | 2021 |
|---|
| Flat 30, Old College House, 8 - 10, Richmond Terrace684 m away | 142 m² | 185 m² | +43 m² +30% | 2020 |
|---|
| 2, West Drive685 m away | 226 m² | 268 m² | +42 m² +19% | 2025 |
|---|
| 7a, St Georges Place963 m away | 57 m² | 99 m² | +42 m² +74% | 2021 |
|---|
| Flat 2, Kemptown House, 72, Carlton Hill967 m away | 64 m² | 106 m² | +42 m² +66% | 2018 |
|---|
| 38, Egremont Place930 m away | 39 m² | 81 m² | +42 m² +108% | 2009 |
|---|
| 30, Caledonian Road624 m away | 85 m² | 126 m² | +41 m² +48% | 2020 |
|---|
| 26, Bentham Road49 m away | 41 m² | 82 m² | +41 m² +100% | 2018 |
|---|
| 3, Elm Grove310 m away | 92 m² | 133 m² | +41 m² +45% | 2011 |
|---|
| 71, Cobden Road166 m away | 93 m² | 133 m² | +40 m² +43% | 2023 |
|---|
| 21, Islingword Street346 m away | 112 m² | 152 m² | +40 m² +36% | 2023 |
|---|
| 64, Southampton Street356 m away | 91 m² | 131 m² | +40 m² +44% | 2022 |
|---|
| 38, De Montfort Road317 m away | 102 m² | 142 m² | +40 m² +39% | 2021 |
|---|
| 4, May Road668 m away | 106 m² | 146 m² | +40 m² +38% | 2020 |
|---|
| 11, Hartington Place558 m away | 79 m² | 119 m² | +40 m² +51% | 2019 |
|---|
| 9, Park Crescent Road678 m away | 89 m² | 129 m² | +40 m² +45% | 2019 |
|---|
| 327, Bear Road911 m away | 64 m² | 104 m² | +40 m² +63% | 2019 |
|---|
| 297, Queens Park Road177 m away | 30 m² | 70 m² | +40 m² +133% | 2010 |
|---|
| 51, Islingword Road243 m away | 87 m² | 126 m² | +39 m² +45% | 2026 |
|---|
| 192, Elm Grove257 m away | 74 m² | 113 m² | +39 m² +53% | 2026 |
|---|
| 113, Queens Park Road448 m away | 134 m² | 173 m² | +39 m² +29% | 2024 |
|---|
| 75a, Hanover Street520 m away | 83 m² | 122 m² | +39 m² +47% | 2023 |
|---|
| 40, Islingword Road243 m away | 72 m² | 111 m² | +39 m² +54% | 2021 |
|---|
| Flat 2, 6, Franklin Road496 m away | 37 m² | 76 m² | +39 m² +105% | 2021 |
|---|
| 4a, Mafeking Road1000 m away | 59 m² | 98 m² | +39 m² +66% | 2021 |
|---|
| 83, Elm Grove310 m away | 98 m² | 137 m² | +39 m² +40% | 2020 |
|---|
| 27, Tillstone Street903 m away | 69 m² | 108 m² | +39 m² +57% | 2020 |
|---|
| 16, Edinburgh Road643 m away | 81 m² | 120 m² | +39 m² +48% | 2019 |
|---|
| 14, Inverness Road680 m away | 85 m² | 124 m² | +39 m² +46% | 2014 |
|---|
| 86, Washington Street407 m away | 81 m² | 119 m² | +38 m² +47% | 2026 |
|---|
| 13, Inverness Road680 m away | 86 m² | 124 m² | +38 m² +44% | 2025 |
|---|
| 6, Egremont Place933 m away | 40 m² | 78 m² | +38 m² +95% | 2025 |
|---|
| 1, Freshfield Street258 m away | 83 m² | 121 m² | +38 m² +46% | 2023 |
|---|
| 141, Elm Grove188 m away | 105 m² | 143 m² | +38 m² +36% | 2022 |
|---|
| 2, Trinity Street595 m away | 71 m² | 109 m² | +38 m² +54% | 2021 |
|---|
| 102, Richmond Road855 m away | 93 m² | 131 m² | +38 m² +41% | 2021 |
|---|
| 4, Coronation Street366 m away | 106 m² | 144 m² | +38 m² +36% | 2020 |
|---|
| 38, Park Crescent Terrace718 m away | 74 m² | 112 m² | +38 m² +51% | 2018 |
|---|
| 1, Hanover Crescent552 m away | 227 m² | 265 m² | +38 m² +17% | 2010 |
|---|
| 28, Jersey Street563 m away | 108 m² | 145 m² | +37 m² +34% | 2026 |
|---|
| 35, Crescent Road916 m away | 73 m² | 110 m² | +37 m² +51% | 2024 |
|---|
| 1, Popes Folly931 m away | 30 m² | 67 m² | +37 m² +123% | 2022 |
|---|
| 33, Ewhurst Road990 m away | 77 m² | 114 m² | +37 m² +48% | 2022 |
|---|
| 61, Ewart Street358 m away | 101 m² | 138 m² | +37 m² +37% | 2021 |
|---|
| 18, Trinity Street595 m away | 101 m² | 138 m² | +37 m² +37% | 2021 |
|---|
| 103, Hollingdean Road919 m away | 86 m² | 123 m² | +37 m² +43% | 2019 |
|---|
| Ground And First Floor Maisonette, 6, Aberdeen Road663 m away | 33 m² | 70 m² | +37 m² +112% | 2014 |
|---|
| 91, Southover Street498 m away | 89 m² | 125 m² | +36 m² +40% | 2026 |
|---|
| 93, Bonchurch Road312 m away | 92 m² | 128 m² | +36 m² +39% | 2024 |
|---|
| 32, Bonchurch Road334 m away | 108 m² | 144 m² | +36 m² +33% | 2023 |
|---|
| 11, Freehold Terrace974 m away | 95 m² | 131 m² | +36 m² +38% | 2019 |
|---|
| 6, St Georges Place963 m away | 46 m² | 82 m² | +36 m² +78% | 2010 |
|---|
| 9, Hallett Road295 m away | 86 m² | 121 m² | +35 m² +41% | 2024 |
|---|
| 49, Richmond Street655 m away | 102 m² | 137 m² | +35 m² +34% | 2024 |
|---|
| 292, Queens Park Road182 m away | 67 m² | 102 m² | +35 m² +52% | 2019 |
|---|
| 1, Edinburgh Road643 m away | 107 m² | 142 m² | +35 m² +33% | 2019 |
|---|
| 10, Inverness Road680 m away | 96 m² | 131 m² | +35 m² +36% | 2019 |
|---|
| 14, D'Aubigny Road823 m away | 109 m² | 144 m² | +35 m² +32% | 2017 |
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| 49, Firle Road492 m away | 67 m² | 102 m² | +35 m² +52% | 2015 |
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| 62, Bernard Road360 m away | 96 m² | 131 m² | +35 m² +36% | 2011 |
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| 41, Richmond Road880 m away | 82 m² | 116 m² | +34 m² +41% | 2026 |
|---|
| 15, Bute Street770 m away | 77 m² | 111 m² | +34 m² +44% | 2025 |
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| 11, Lincoln Cottages406 m away | 80 m² | 114 m² | +34 m² +43% | 2023 |
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| 1, Mayo Road910 m away | 48 m² | 82 m² | +34 m² +71% | 2023 |
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| 63, Bentham Road23 m away | 78 m² | 112 m² | +34 m² +44% | 2022 |
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| 19, Ewhurst Road990 m away | 90 m² | 124 m² | +34 m² +38% | 2021 |
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| 18, Inverness Road680 m away | 83 m² | 117 m² | +34 m² +41% | 2019 |
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| 13, Wakefield Road769 m away | 126 m² | 160 m² | +34 m² +27% | 2018 |
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| 1a, Roundhill Road958 m away | 43 m² | 77 m² | +34 m² +79% | 2009 |
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| 10, Mayo Road910 m away | 86 m² | 119 m² | +33 m² +38% | 2026 |
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| 52, Southampton Street356 m away | 93 m² | 126 m² | +33 m² +35% | 2024 |
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| 39, Holland Street548 m away | 87 m² | 120 m² | +33 m² +38% | 2024 |
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| 30, Quebec Street525 m away | 43 m² | 76 m² | +33 m² +77% | 2023 |
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| 51, Bentham Road23 m away | 79 m² | 112 m² | +33 m² +42% | 2022 |
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| 25, Islingword Street346 m away | 94 m² | 127 m² | +33 m² +35% | 2021 |
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| 39, Bonchurch Road312 m away | 117 m² | 150 m² | +33 m² +28% | 2020 |
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| 14, London Road951 m away | 31 m² | 64 m² | +33 m² +106% | 2020 |
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| 198, Elm Grove257 m away | 66 m² | 99 m² | +33 m² +50% | 2019 |
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| 97, Whippingham Road336 m away | 95 m² | 128 m² | +33 m² +35% | 2019 |
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| 49, Shanklin Road649 m away | 57 m² | 90 m² | +33 m² +58% | 2018 |
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| 3, Walpole Terrace950 m away | 60 m² | 93 m² | +33 m² +55% | 2018 |
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| 86, Whippingham Road334 m away | 95 m² | 128 m² | +33 m² +35% | 2016 |
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| 9, Grand Parade939 m away | 50 m² | 83 m² | +33 m² +66% | 2014 |
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| 6, Hollingdean Road919 m away | 108 m² | 140 m² | +32 m² +30% | 2026 |
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| 5a, Wellington Road471 m away | 47 m² | 79 m² | +32 m² +68% | 2025 |
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| 17, Edinburgh Road643 m away | 82 m² | 114 m² | +32 m² +39% | 2025 |
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| 25, Walpole Terrace890 m away | 127 m² | 159 m² | +32 m² +25% | 2024 |
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| 53, De Montfort Road333 m away | 136 m² | 168 m² | +32 m² +24% | 2021 |
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| 318, Queens Park Road182 m away | 74 m² | 106 m² | +32 m² +43% | 2020 |
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| 218, Queens Park Road203 m away | 98 m² | 130 m² | +32 m² +33% | 2020 |
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| 179, Queens Park Road213 m away | 90 m² | 122 m² | +32 m² +36% | 2020 |
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| 60, Brading Road321 m away | 94 m² | 126 m² | +32 m² +34% | 2020 |
|---|
| 96, Bonchurch Road334 m away | 94 m² | 126 m² | +32 m² +34% | 2020 |
|---|
| 49, Park Crescent Terrace624 m away | 115 m² | 147 m² | +32 m² +28% | 2020 |
|---|
| 30, Ewhurst Road992 m away | 80 m² | 112 m² | +32 m² +40% | 2019 |
|---|
| 26, Mafeking Road1000 m away | 82 m² | 114 m² | +32 m² +39% | 2019 |
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| 17, Shanklin Road649 m away | 112 m² | 144 m² | +32 m² +29% | 2013 |
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| 36, Queens Park Terrace333 m away | 109 m² | 140 m² | +31 m² +28% | 2026 |
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| 60, Southampton Street356 m away | 93 m² | 124 m² | +31 m² +33% | 2026 |
|---|
| 58, Mafeking Road1000 m away | 90 m² | 121 m² | +31 m² +34% | 2026 |
|---|
| 71, Islingword Place183 m away | 69 m² | 100 m² | +31 m² +45% | 2025 |
|---|
| 228, Queens Park Road203 m away | 94 m² | 125 m² | +31 m² +33% | 2025 |
|---|
| 50, Whippingham Road334 m away | 92 m² | 123 m² | +31 m² +34% | 2025 |
|---|
| 142, Craven Road661 m away | 41 m² | 72 m² | +31 m² +76% | 2025 |
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| 37, Lincoln Street385 m away | 82 m² | 113 m² | +31 m² +38% | 2024 |
|---|
| 19, Queens Park Terrace333 m away | 135 m² | 166 m² | +31 m² +23% | 2023 |
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| 62, Elm Grove328 m away | 80 m² | 111 m² | +31 m² +39% | 2022 |
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| 194, Freshfield Road453 m away | 96 m² | 127 m² | +31 m² +32% | 2022 |
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| 3, Windmill Street711 m away | 76 m² | 107 m² | +31 m² +41% | 2022 |
|---|
| 30, Lincoln Street400 m away | 94 m² | 125 m² | +31 m² +33% | 2021 |
|---|
| 10, Baxter Street142 m away | 61 m² | 92 m² | +31 m² +51% | 2020 |
|---|
| 64, Brading Road321 m away | 98 m² | 129 m² | +31 m² +32% | 2020 |
|---|
| 51, Park Crescent Road661 m away | 81 m² | 112 m² | +31 m² +38% | 2020 |
|---|
| 24, Ladysmith Road895 m away | 48 m² | 79 m² | +31 m² +65% | 2020 |
|---|
| 36, Baxter Street142 m away | 42 m² | 73 m² | +31 m² +74% | 2019 |
|---|
| 18, Elm Grove328 m away | 95 m² | 126 m² | +31 m² +33% | 2019 |
|---|
| 12, Inverness Road680 m away | 85 m² | 116 m² | +31 m² +36% | 2019 |
|---|
| 10, London Terrace983 m away | 112 m² | 143 m² | +31 m² +28% | 2016 |
|---|
| 69, Princes Crescent873 m away | 73 m² | 104 m² | +31 m² +42% | 2014 |
|---|
| 99, Brading Road326 m away | 104 m² | 135 m² | +31 m² +30% | 2012 |
|---|
| 109, Whippingham Road336 m away | 96 m² | 127 m² | +31 m² +32% | 2011 |
|---|
| 160, Elm Grove133 m away | 82 m² | 112 m² | +30 m² +37% | 2022 |
|---|
| 356, Queens Park Road182 m away | 75 m² | 105 m² | +30 m² +40% | 2022 |
|---|
| 81, Elm Grove310 m away | 101 m² | 131 m² | +30 m² +30% | 2020 |
|---|
| 2, Belgrave Street595 m away | 77 m² | 107 m² | +30 m² +39% | 2020 |
|---|
| 28, Cobden Road185 m away | 79 m² | 109 m² | +30 m² +38% | 2019 |
|---|
| 45, Toronto Terrace498 m away | 66 m² | 96 m² | +30 m² +45% | 2019 |
|---|
| 270, Freshfield Road503 m away | 59 m² | 89 m² | +30 m² +51% | 2019 |
|---|
| Flat 4, 131, Ditchling Road951 m away | 79 m² | 109 m² | +30 m² +38% | 2019 |
|---|
| 5, Ryde Road447 m away | 55 m² | 85 m² | +30 m² +55% | 2018 |
|---|
| 5, Pankhurst Avenue248 m away | 80 m² | 110 m² | +30 m² +38% | 2017 |
|---|
| 39, Hollingdean Road919 m away | 78 m² | 108 m² | +30 m² +38% | 2017 |
|---|
| 72, Queens Park Road697 m away | 37 m² | 67 m² | +30 m² +81% | 2011 |
|---|
| 9, Caledonian Road624 m away | 42 m² | 72 m² | +30 m² +71% | 2009 |
|---|
| 52, Bonchurch Road334 m away | 88 m² | 117 m² | +29 m² +33% | 2025 |
|---|
| 54, Coleman Street434 m away | 85 m² | 114 m² | +29 m² +34% | 2025 |
|---|
| 171, Lewes Road519 m away | 85 m² | 114 m² | +29 m² +34% | 2025 |
|---|
| 44, Holland Street548 m away | 87 m² | 116 m² | +29 m² +33% | 2024 |
|---|
| 31, Bentham Road23 m away | 78 m² | 107 m² | +29 m² +37% | 2023 |
|---|
| 21, Baxter Street142 m away | 72 m² | 101 m² | +29 m² +40% | 2023 |
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