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 BN43 6YT
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 |
|---|---|---|---|---|
| 8, St Julians Lane309 m away | 122 m² | 236 m² | +114 m² +93% | 2025 |
| 2, Southwick Street904 m away | 125 m² | 232 m² | +107 m² +86% | 2014 |
| 1, Old Rectory Gardens259 m away | 86 m² | 187 m² | +101 m² +117% | 2024 |
| 36, Oldfield Crescent483 m away | 128 m² | 229 m² | +101 m² +79% | 2024 |
| 7, Southdown Road807 m away | 220 m² | 306 m² | +86 m² +39% | 2021 |
| 7, Mulberry Close774 m away | 94 m² | 179 m² | +85 m² +90% | 2013 |
| 35, Falcon Close928 m away | 123 m² | 202 m² | +79 m² +64% | 2019 |
| 29, Hammy Lane579 m away | 61 m² | 133 m² | +72 m² +118% | 2024 |
| The Old Rectory Cottage, 55c, Kingston Lane273 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.
| 75 m² |
| 147 m² |
| +72 m² +96% |
| 2021 |
| 5, Sandown Road503 m away | 70 m² | 141 m² | +71 m² +101% | 2017 |
|---|
| 37, Hammy Lane629 m away | 58 m² | 128 m² | +70 m² +121% | 2021 |
|---|
| 81, Hammy Way732 m away | 53 m² | 120 m² | +67 m² +126% | 2024 |
|---|
| 13, New Barn Road982 m away | 48 m² | 115 m² | +67 m² +140% | 2024 |
|---|
| 31, Hammy Lane579 m away | 58 m² | 125 m² | +67 m² +116% | 2021 |
|---|
| 27, Fairfield Close718 m away | 54 m² | 120 m² | +66 m² +122% | 2020 |
|---|
| 19, Southview Close307 m away | 70 m² | 136 m² | +66 m² +94% | 2011 |
|---|
| 26, Hammy Way694 m away | 81 m² | 145 m² | +64 m² +79% | 2024 |
|---|
| 13, Hammy Lane579 m away | 61 m² | 125 m² | +64 m² +105% | 2018 |
|---|
| 36, Cross Road593 m away | 94 m² | 158 m² | +64 m² +68% | 2015 |
|---|
| 5, Falcon Close928 m away | 129 m² | 192 m² | +63 m² +49% | 2025 |
|---|
| 98, Williams Road411 m away | 78 m² | 140 m² | +62 m² +79% | 2015 |
|---|
| 3, Hawkins Road876 m away | 63 m² | 122 m² | +59 m² +94% | 2026 |
|---|
| 219, Harbour Way879 m away | 108 m² | 166 m² | +58 m² +54% | 2021 |
|---|
| 5, New Barn Road982 m away | 58 m² | 116 m² | +58 m² +100% | 2020 |
|---|
| 8, Old Shoreham Road693 m away | 74 m² | 132 m² | +58 m² +78% | 2015 |
|---|
| 2, Nursery Close696 m away | 67 m² | 124 m² | +57 m² +85% | 2025 |
|---|
| 140, Harbour Way889 m away | 110 m² | 166 m² | +56 m² +51% | 2025 |
|---|
| 10, Kings Road902 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
|---|
| 24, Rectory Road134 m away | 91 m² | 143 m² | +52 m² +57% | 2026 |
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| 70, Underdown Road688 m away | 107 m² | 158 m² | +51 m² +48% | 2025 |
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| 7, Thyme Close760 m away | 74 m² | 125 m² | +51 m² +69% | 2024 |
|---|
| 139, Upper Shoreham Road694 m away | 86 m² | 137 m² | +51 m² +59% | 2020 |
|---|
| 10, Juniper Walk916 m away | 52 m² | 103 m² | +51 m² +98% | 2020 |
|---|
| 7, New Barn Road982 m away | 62 m² | 109 m² | +47 m² +76% | 2025 |
|---|
| 39, The Green624 m away | 38 m² | 85 m² | +47 m² +124% | 2023 |
|---|
| 84, Southview Road829 m away | 135 m² | 182 m² | +47 m² +35% | 2022 |
|---|
| 40, Fairfield Close718 m away | 80 m² | 126 m² | +46 m² +57% | 2017 |
|---|
| 43, Rosemary Drive794 m away | 74 m² | 119 m² | +45 m² +61% | 2023 |
|---|
| 19, Kingston Close434 m away | 47 m² | 91 m² | +44 m² +94% | 2021 |
|---|
| 6, Phoenix Way474 m away | 59 m² | 102 m² | +43 m² +73% | 2022 |
|---|
| 48, Roman Way860 m away | 94 m² | 137 m² | +43 m² +46% | 2020 |
|---|
| 228, Harbour Way879 m away | 138 m² | 181 m² | +43 m² +31% | 2016 |
|---|
| 34, Fairfield Close718 m away | 51 m² | 93 m² | +42 m² +82% | 2023 |
|---|
| 2, Larke Close103 m away | 77 m² | 119 m² | +42 m² +55% | 2022 |
|---|
| 28, Buci Crescent545 m away | 79 m² | 121 m² | +42 m² +53% | 2016 |
|---|
| 59, Crown Road851 m away | 58 m² | 99 m² | +41 m² +71% | 2020 |
|---|
| 2, Old Rectory Gardens259 m away | 103 m² | 144 m² | +41 m² +40% | 2018 |
|---|
| 53, Downland Avenue858 m away | 86 m² | 127 m² | +41 m² +48% | 2017 |
|---|
| 22, Mansell Road509 m away | 71 m² | 110 m² | +39 m² +55% | 2026 |
|---|
| 79, Crown Road851 m away | 78 m² | 117 m² | +39 m² +50% | 2020 |
|---|
| 17, Kingston Way548 m away | 77 m² | 115 m² | +38 m² +49% | 2026 |
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| 5, Spinnals Grove369 m away | 128 m² | 165 m² | +37 m² +29% | 2022 |
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| 31, Fairfield Close718 m away | 78 m² | 113 m² | +35 m² +45% | 2025 |
|---|
| 20, Sandown Road503 m away | 103 m² | 138 m² | +35 m² +34% | 2018 |
|---|
| 167, Upper Shoreham Road694 m away | 100 m² | 134 m² | +34 m² +34% | 2026 |
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| 7, Hammy Way732 m away | 47 m² | 81 m² | +34 m² +72% | 2025 |
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| 25, Hawkins Road876 m away | 114 m² | 148 m² | +34 m² +30% | 2025 |
|---|
| 38, Fairfield Close718 m away | 56 m² | 90 m² | +34 m² +61% | 2019 |
|---|
| 62, Hammy Lane629 m away | 102 m² | 136 m² | +34 m² +33% | 2015 |
|---|
| 30, Hawkins Road761 m away | 107 m² | 141 m² | +34 m² +32% | 2015 |
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| 2, The Barn, The Green612 m away | 106 m² | 139 m² | +33 m² +31% | 2017 |
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| 46, Southwick Street940 m away | 93 m² | 126 m² | +33 m² +35% | 2014 |
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| 98, Crown Road807 m away | 64 m² | 97 m² | +33 m² +52% | 2013 |
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| 26, Downland Avenue746 m away | 82 m² | 114 m² | +32 m² +39% | 2022 |
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| 17, Southview Road724 m away | 49 m² | 81 m² | +32 m² +65% | 2016 |
|---|
| 77, Meadway Court381 m away | 45 m² | 77 m² | +32 m² +71% | 2015 |
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| 49, Kingston Lane412 m away | 137 m² | 169 m² | +32 m² +23% | 2013 |
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| 52, Crown Road807 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
|---|
| 32, Falcon Close928 m away | 104 m² | 135 m² | +31 m² +30% | 2020 |
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| 39, Rosemary Drive794 m away | 74 m² | 104 m² | +30 m² +41% | 2026 |
|---|
| 71, Franklin Road470 m away | 64 m² | 94 m² | +30 m² +47% | 2024 |
|---|
| 34, Roman Way860 m away | 85 m² | 115 m² | +30 m² +35% | 2024 |
|---|
| 5, Adelaide Square875 m away | 41 m² | 71 m² | +30 m² +73% | 2020 |
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| 69, Middle Road526 m away | 98 m² | 128 m² | +30 m² +31% | 2014 |
|---|
| 21, Underdown Road683 m away | 88 m² | 117 m² | +29 m² +33% | 2026 |
|---|
| 15, Querneby Close212 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
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| 56, Kingston Lane437 m away | 88 m² | 116 m² | +28 m² +32% | 2025 |
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| 19, The Green593 m away | 130 m² | 158 m² | +28 m² +22% | 2025 |
|---|
| 2, Lavender Hill968 m away | 80 m² | 108 m² | +28 m² +35% | 2024 |
|---|
| 7, Hawkins Road876 m away | 67 m² | 95 m² | +28 m² +42% | 2022 |
|---|
| 19, Cross Road566 m away | 123 m² | 151 m² | +28 m² +23% | 2018 |
|---|
| 39, Underdown Road683 m away | 85 m² | 112 m² | +27 m² +32% | 2020 |
|---|
| 46, Williams Road428 m away | 97 m² | 124 m² | +27 m² +28% | 2019 |
|---|
| 16, Falcon Close928 m away | 107 m² | 134 m² | +27 m² +25% | 2016 |
|---|
| 25, Roman Way860 m away | 101 m² | 127 m² | +26 m² +26% | 2025 |
|---|
| 7, Parklands319 m away | 25 m² | 51 m² | +26 m² +104% | 2023 |
|---|
| 32, Victoria Road588 m away | 122 m² | 148 m² | +26 m² +21% | 2022 |
|---|
| 4, Ashcroft Close145 m away | 62 m² | 88 m² | +26 m² +42% | 2020 |
|---|
| 250, Harbour Way879 m away | 140 m² | 166 m² | +26 m² +19% | 2020 |
|---|
| 26, Cross Road593 m away | 87 m² | 113 m² | +26 m² +30% | 2019 |
|---|
| 21, Cross Road566 m away | 115 m² | 141 m² | +26 m² +23% | 2017 |
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| 35, Franklin Road470 m away | 82 m² | 107 m² | +25 m² +30% | 2026 |
|---|
| 59, Kingston Lane273 m away | 74 m² | 99 m² | +25 m² +34% | 2021 |
|---|
| 58, Underdown Road688 m away | 69 m² | 94 m² | +25 m² +36% | 2015 |
|---|
| 74, Downland Avenue844 m away | 89 m² | 114 m² | +25 m² +28% | 2012 |
|---|
| 38, Hammy Close617 m away | 56 m² | 80 m² | +24 m² +43% | 2022 |
|---|
| 18, Rainbow Square960 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
|---|
| 6, Hawkins Close963 m away | 63 m² | 86 m² | +23 m² +37% | 2023 |
|---|
| 17, Rosemary Drive794 m away | 81 m² | 104 m² | +23 m² +28% | 2022 |
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| 34, Downland Avenue746 m away | 83 m² | 106 m² | +23 m² +28% | 2018 |
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| 43, Kingston Lane412 m away | 75 m² | 98 m² | +23 m² +31% | 2015 |
|---|
| Flat 29, Garland Point, Sussex Wharf878 m away | 61 m² | 83 m² | +22 m² +36% | 2026 |
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| 49, Longshore Drive898 m away | 120 m² | 142 m² | +22 m² +18% | 2025 |
|---|
| 17, Querneby Close212 m away | 57 m² | 78 m² | +21 m² +37% | 2022 |
|---|
| 155b, Middle Road274 m away | 69 m² | 90 m² | +21 m² +30% | 2022 |
|---|
| Flat 31, Garland Point, Sussex Wharf878 m away | 67 m² | 88 m² | +21 m² +31% | 2022 |
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| 39, Kingston Close434 m away | 39 m² | 60 m² | +21 m² +54% | 2020 |
|---|
| 1, The Moorings869 m away | 108 m² | 129 m² | +21 m² +19% | 2020 |
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| 12, Amelia Close978 m away | 61 m² | 82 m² | +21 m² +34% | 2019 |
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| 4, Albert Road512 m away | 96 m² | 116 m² | +20 m² +21% | 2026 |
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| 80, Mansell Road552 m away | 86 m² | 106 m² | +20 m² +23% | 2025 |
|---|
| 28a, Victoria Road588 m away | 49 m² | 69 m² | +20 m² +41% | 2025 |
|---|
| 28, Kingston Close434 m away | 57 m² | 77 m² | +20 m² +35% | 2024 |
|---|
| 29, Williams Road428 m away | 86 m² | 106 m² | +20 m² +23% | 2023 |
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| 53, Crown Road851 m away | 99 m² | 119 m² | +20 m² +20% | 2023 |
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| Flat 2, 96, Cross Road583 m away | 43 m² | 63 m² | +20 m² +47% | 2020 |
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| 28, Downland Avenue746 m away | 118 m² | 138 m² | +20 m² +17% | 2019 |
|---|
| 1, Twitten Close784 m away | 104 m² | 124 m² | +20 m² +19% | 2019 |
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| 5, Fairfield Close718 m away | 80 m² | 100 m² | +20 m² +25% | 2018 |
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| 6, Mansell Road509 m away | 82 m² | 101 m² | +19 m² +23% | 2026 |
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| 63, Hawkins Road761 m away | 92 m² | 111 m² | +19 m² +21% | 2020 |
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| 114, Old Shoreham Road806 m away | 104 m² | 123 m² | +19 m² +18% | 2018 |
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| 36, Stoney Lane392 m away | 83 m² | 102 m² | +19 m² +23% | 2016 |
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| 14, Upper Kingston Lane794 m away | 75 m² | 93 m² | +18 m² +24% | 2025 |
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| 60, Hammy Lane629 m away | 70 m² | 88 m² | +18 m² +26% | 2021 |
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| 163, Middle Road274 m away | 83 m² | 101 m² | +18 m² +22% | 2020 |
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| 43, Wilmot Road524 m away | 75 m² | 93 m² | +18 m² +24% | 2020 |
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| 3, Albert Road512 m away | 95 m² | 112 m² | +17 m² +18% | 2026 |
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| 94, Old Shoreham Road693 m away | 78 m² | 95 m² | +17 m² +22% | 2020 |
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| 85, Crown Road851 m away | 40 m² | 57 m² | +17 m² +43% | 2015 |
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| 54, Hammy Lane629 m away | 74 m² | 91 m² | +17 m² +23% | 2014 |
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| 42, Phoenix Way490 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
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| 7, Water Dyke Avenue667 m away | 60 m² | 76 m² | +16 m² +27% | 2022 |
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| 53, The Green624 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 6, Mulberry Close774 m away | 89 m² | 104 m² | +15 m² +17% | 2026 |
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| 18, Southview Close307 m away | 68 m² | 83 m² | +15 m² +22% | 2025 |
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| 7, Buci Crescent545 m away | 54 m² | 69 m² | +15 m² +28% | 2024 |
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| 5, Crown Road800 m away | 79 m² | 94 m² | +15 m² +19% | 2023 |
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| 156, Harbour Way889 m away | 100 m² | 115 m² | +15 m² +15% | 2020 |
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| 65, Hammy Lane629 m away | 57 m² | 72 m² | +15 m² +26% | 2019 |
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| 55, Hawkins Road761 m away | 59 m² | 74 m² | +15 m² +25% | 2018 |
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| 9, Southview Close307 m away | 74 m² | 89 m² | +15 m² +20% | 2016 |
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| 39, Buci Crescent545 m away | 42 m² | 57 m² | +15 m² +36% | 2016 |
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| 37, King George Road438 m away | 70 m² | 85 m² | +15 m² +21% | 2015 |
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