Finding extended homes…
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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 BN10 7NB
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 |
|---|---|---|---|---|
| 35, Gorham Way795 m away | 77 m² | 188 m² | +111 m² +144% | 2021 |
| 61, Fairlight Avenue379 m away | 100 m² | 207 m² | +107 m² +107% | 2025 |
| 4, The Esplanade602 m away | 88 m² | 187 m² | +99 m² +113% | 2017 |
| 196, Arundel Road914 m away | 104 m² | 199 m² | +95 m² +91% | 2017 |
| 26, The Esplanade661 m away | 137 m² | 228 m² | +91 m² +66% | 2024 |
| 40, Springfield Avenue668 m away | 104 m² | 193 m² | +89 m² +86% | 2016 |
| 95, Malines Avenue391 m away | 63 m² | 151 m² | +88 m² +140% | 2017 |
| 436, South Coast Road765 m away | 114 m² | 199 m² | +85 m² +75% | 2021 |
| 45, Lincoln Avenue343 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.
| 69 m² |
| 153 m² |
| +84 m² +122% |
| 2016 |
| 246, Arundel Road West530 m away | 59 m² | 133 m² | +74 m² +125% | 2026 |
|---|
| 125a, Ambleside Avenue437 m away | 83 m² | 156 m² | +73 m² +88% | 2023 |
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| 54, Central Avenue0 m away | 133 m² | 206 m² | +73 m² +55% | 2014 |
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| 27, Tyedean Road646 m away | 86 m² | 158 m² | +72 m² +84% | 2014 |
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| 16, Horsham Avenue995 m away | 91 m² | 160 m² | +69 m² +76% | 2025 |
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| 23, Barley Close941 m away | 76 m² | 144 m² | +68 m² +89% | 2016 |
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| 434, South Coast Road765 m away | 82 m² | 144 m² | +62 m² +76% | 2026 |
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| 99a, Roderick Avenue812 m away | 86 m² | 147 m² | +61 m² +71% | 2025 |
|---|
| 4, Cavendish Close468 m away | 65 m² | 123 m² | +58 m² +89% | 2025 |
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| 23, Broomfield Avenue538 m away | 84 m² | 142 m² | +58 m² +69% | 2023 |
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| 85, Lincoln Avenue208 m away | 105 m² | 163 m² | +58 m² +55% | 2022 |
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| 26, Edith Avenue927 m away | 48 m² | 106 m² | +58 m² +121% | 2012 |
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| 229, Arundel Road West384 m away | 78 m² | 133 m² | +55 m² +71% | 2023 |
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| 12, Roderick Avenue962 m away | 62 m² | 111 m² | +49 m² +79% | 2026 |
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| 11a, Hoddern Avenue748 m away | 87 m² | 136 m² | +49 m² +56% | 2016 |
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| 5, Park Avenue161 m away | 94 m² | 142 m² | +48 m² +51% | 2017 |
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| 114, Firle Road679 m away | 111 m² | 159 m² | +48 m² +43% | 2014 |
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| 24a, Malines Avenue469 m away | 68 m² | 115 m² | +47 m² +69% | 2025 |
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| 16, The Esplanade618 m away | 151 m² | 197 m² | +46 m² +30% | 2020 |
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| 3a, Downs Walk908 m away | 197 m² | 242 m² | +45 m² +23% | 2025 |
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| 11, Turnpike Close987 m away | 72 m² | 116 m² | +44 m² +61% | 2024 |
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| 10, St Peters Avenue160 m away | 124 m² | 167 m² | +43 m² +35% | 2024 |
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| 91, Malines Avenue391 m away | 44 m² | 87 m² | +43 m² +98% | 2016 |
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| 6, Fairlight Avenue508 m away | 88 m² | 131 m² | +43 m² +49% | 2015 |
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| 23, Hoddern Avenue656 m away | 68 m² | 110 m² | +42 m² +62% | 2024 |
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| 2, Mitchelldean813 m away | 50 m² | 92 m² | +42 m² +84% | 2019 |
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| 20, Horsham Avenue995 m away | 75 m² | 117 m² | +42 m² +56% | 2018 |
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| 44, Telscombe Cliffs Way350 m away | 95 m² | 137 m² | +42 m² +44% | 2016 |
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| 51, Firle Road975 m away | 109 m² | 151 m² | +42 m² +39% | 2015 |
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| 10, Buckhurst Road602 m away | 68 m² | 109 m² | +41 m² +60% | 2024 |
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| 99, Roderick Avenue812 m away | 41 m² | 82 m² | +41 m² +100% | 2020 |
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| 38, Broomfield Avenue538 m away | 96 m² | 136 m² | +40 m² +42% | 2025 |
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| 48, Firle Road975 m away | 116 m² | 156 m² | +40 m² +34% | 2015 |
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| 56, Highview Road773 m away | 177 m² | 216 m² | +39 m² +22% | 2026 |
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| 48, Cavell Avenue729 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
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| 42, Hoddern Avenue554 m away | 69 m² | 108 m² | +39 m² +57% | 2024 |
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| 140, Firle Road616 m away | 66 m² | 105 m² | +39 m² +59% | 2019 |
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| 23, Rowe Avenue716 m away | 141 m² | 179 m² | +38 m² +27% | 2026 |
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| 234a, South Coast Road955 m away | 102 m² | 139 m² | +37 m² +36% | 2025 |
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| 15, Edith Avenue927 m away | 57 m² | 94 m² | +37 m² +65% | 2024 |
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| 123a, The Promenade799 m away | 44 m² | 81 m² | +37 m² +84% | 2021 |
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| 45, Malines Avenue479 m away | 52 m² | 88 m² | +36 m² +69% | 2023 |
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| 118, Firle Road679 m away | 65 m² | 101 m² | +36 m² +55% | 2022 |
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| 30a, Roderick Avenue836 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
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| 65, Highview Road707 m away | 48 m² | 83 m² | +35 m² +73% | 2016 |
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| 32, Central Avenue359 m away | 88 m² | 122 m² | +34 m² +39% | 2025 |
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| 249, Arundel Road West266 m away | 86 m² | 119 m² | +33 m² +38% | 2025 |
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| 145, Sutton Avenue North712 m away | 57 m² | 90 m² | +33 m² +58% | 2025 |
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| 50, Broomfield Avenue476 m away | 74 m² | 107 m² | +33 m² +45% | 2024 |
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| 130, Edith Avenue North928 m away | 106 m² | 138 m² | +32 m² +30% | 2023 |
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| 108, Cairo Avenue247 m away | 96 m² | 127 m² | +31 m² +32% | 2025 |
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| 103b, Phyllis Avenue521 m away | 55 m² | 86 m² | +31 m² +56% | 2025 |
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| 53, Cairo Avenue365 m away | 57 m² | 88 m² | +31 m² +54% | 2023 |
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| 7, Amhurst Road698 m away | 73 m² | 104 m² | +31 m² +42% | 2020 |
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| 64, Glynn Road West982 m away | 101 m² | 132 m² | +31 m² +31% | 2018 |
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| 86c, Phyllis Avenue388 m away | 102 m² | 132 m² | +30 m² +29% | 2026 |
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| 24a, Broomfield Avenue538 m away | 94 m² | 124 m² | +30 m² +32% | 2023 |
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| 99, Hoddern Avenue571 m away | 73 m² | 102 m² | +29 m² +40% | 2026 |
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| 1, Berry Close454 m away | 75 m² | 104 m² | +29 m² +39% | 2022 |
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| 109, Central Avenue237 m away | 77 m² | 106 m² | +29 m² +38% | 2019 |
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| 22c, Abbey Close973 m away | 70 m² | 98 m² | +28 m² +40% | 2021 |
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| 17, Fairlight Avenue508 m away | 114 m² | 142 m² | +28 m² +25% | 2017 |
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| 36, The Ridings828 m away | 88 m² | 116 m² | +28 m² +32% | 2015 |
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| 21, Hoddern Avenue656 m away | 101 m² | 129 m² | +28 m² +28% | 2010 |
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| 109, Phyllis Avenue521 m away | 52 m² | 79 m² | +27 m² +52% | 2023 |
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| 7, Grassmere Avenue297 m away | 69 m² | 96 m² | +27 m² +39% | 2020 |
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| 30, Tyedean Road685 m away | 98 m² | 125 m² | +27 m² +28% | 2016 |
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| 203, Arundel Road West612 m away | 77 m² | 103 m² | +26 m² +34% | 2025 |
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| 38a, Roderick Avenue836 m away | 55 m² | 81 m² | +26 m² +47% | 2019 |
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| 233, Arundel Road West384 m away | 72 m² | 98 m² | +26 m² +36% | 2014 |
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| 28, Broomfield Avenue538 m away | 84 m² | 110 m² | +26 m² +31% | 2012 |
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| 31, Central Avenue359 m away | 122 m² | 147 m² | +25 m² +20% | 2026 |
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| 234, South Coast Road955 m away | 82 m² | 107 m² | +25 m² +30% | 2025 |
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| 1, Roderick Avenue962 m away | 120 m² | 145 m² | +25 m² +21% | 2023 |
|---|
| 43, Edith Avenue927 m away | 100 m² | 125 m² | +25 m² +25% | 2021 |
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| 90a, Phyllis Avenue489 m away | 80 m² | 105 m² | +25 m² +31% | 2018 |
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| 133, Hoddern Avenue571 m away | 129 m² | 154 m² | +25 m² +19% | 2016 |
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| 155, Arundel Road983 m away | 88 m² | 111 m² | +23 m² +26% | 2025 |
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| 14, Park View Rise248 m away | 95 m² | 118 m² | +23 m² +24% | 2023 |
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| 133, Horsham Avenue North997 m away | 108 m² | 131 m² | +23 m² +21% | 2021 |
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| 23, Central Avenue359 m away | 72 m² | 95 m² | +23 m² +32% | 2015 |
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| 19, Barley Close941 m away | 73 m² | 95 m² | +22 m² +30% | 2023 |
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| 47, Hoddern Avenue554 m away | 125 m² | 146 m² | +21 m² +17% | 2025 |
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| 51, Fairlight Avenue379 m away | 114 m² | 135 m² | +21 m² +18% | 2024 |
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| 6, The Compts900 m away | 99 m² | 120 m² | +21 m² +21% | 2021 |
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| 61, Glynn Road West982 m away | 84 m² | 105 m² | +21 m² +25% | 2021 |
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| 15, Lincoln Avenue485 m away | 71 m² | 92 m² | +21 m² +30% | 2020 |
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| 24, Fairlight Avenue508 m away | 128 m² | 149 m² | +21 m² +16% | 2015 |
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| 227a, Arundel Road West384 m away | 70 m² | 90 m² | +20 m² +29% | 2024 |
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| 110, Dorothy Avenue North985 m away | 101 m² | 121 m² | +20 m² +20% | 2021 |
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| 72a, Firle Road975 m away | 52 m² | 72 m² | +20 m² +38% | 2012 |
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| 257, Arundel Road West216 m away | 91 m² | 110 m² | +19 m² +21% | 2023 |
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| 30, Southview Road989 m away | 93 m² | 112 m² | +19 m² +20% | 2020 |
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| 55, Cairo Avenue365 m away | 49 m² | 68 m² | +19 m² +39% | 2016 |
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| White Gables, The Esplanade602 m away | 92 m² | 111 m² | +19 m² +21% | 2013 |
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| 124, The Promenade799 m away | 105 m² | 123 m² | +18 m² +17% | 2026 |
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| 10, Berry Close454 m away | 84 m² | 102 m² | +18 m² +21% | 2020 |
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| 11, Highview Road707 m away | 70 m² | 88 m² | +18 m² +26% | 2011 |
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| 136, Rowe Avenue North600 m away | 80 m² | 97 m² | +17 m² +21% | 2025 |
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| 6, Cavendish Close468 m away | 75 m² | 92 m² | +17 m² +23% | 2020 |
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| 3, Hoddern Avenue748 m away | 49 m² | 66 m² | +17 m² +35% | 2018 |
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| 14, Ambleside Avenue354 m away | 83 m² | 100 m² | +17 m² +20% | 2015 |
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| 8, Tyedean Road685 m away | 79 m² | 96 m² | +17 m² +22% | 2015 |
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| 24, St Peters Avenue160 m away | 96 m² | 112 m² | +16 m² +17% | 2024 |
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| 78, Firle Road813 m away | 84 m² | 100 m² | +16 m² +19% | 2023 |
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| 7, Gorham Way795 m away | 85 m² | 101 m² | +16 m² +19% | 2016 |
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| 282, South Coast Road628 m away | 52 m² | 68 m² | +16 m² +31% | 2013 |
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| 134, Cavell Avenue North766 m away | 75 m² | 90 m² | +15 m² +20% | 2023 |
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| 3, Abbey Close973 m away | 87 m² | 102 m² | +15 m² +17% | 2017 |
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| 69, Cairo Avenue247 m away | 77 m² | 92 m² | +15 m² +19% | 2012 |
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