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 BN43 5XL
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 |
|---|---|---|---|---|
| 38, Mill Hill629 m away | 339 m² | 689 m² | +350 m² +103% | 2025 |
| Four Winds, 36, Mill Hill629 m away | 100 m² | 240 m² | +140 m² +140% | 2026 |
| 15, Erringham Road356 m away | 83 m² | 206 m² | +123 m² +148% | 2024 |
| 69, Buckingham Road627 m away | 122 m² | 226 m² | +104 m² +85% | 2020 |
| 35, The Avenue496 m away | 107 m² | 207 m² | +100 m² +93% | 2019 |
| 102, Connaught Avenue372 m away | 75 m² | 168 m² | +93 m² +124% | 2022 |
| 9, Ravensbourne Close906 m away | 74 m² | 161 m² | +87 m² +118% | 2022 |
| 21, Middle Street669 m away | 328 m² | 413 m² | +85 m² +26% | 2025 |
| 28, Rosslyn Road780 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.
| 97 m² |
| 181 m² |
| +84 m² +87% |
| 2020 |
| 21, Erringham Road356 m away | 95 m² | 175 m² | +80 m² +84% | 2023 |
|---|
| 4, Warwick Walk747 m away | 101 m² | 180 m² | +79 m² +78% | 2015 |
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| 10, Mill Hill629 m away | 207 m² | 285 m² | +78 m² +38% | 2026 |
|---|
| 38, Overmead181 m away | 80 m² | 155 m² | +75 m² +94% | 2013 |
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| 23, Windlesham Road463 m away | 159 m² | 232 m² | +73 m² +46% | 2021 |
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| Galleons Reach, The Street466 m away | 113 m² | 184 m² | +71 m² +63% | 2026 |
|---|
| 28, Norman Crescent728 m away | 128 m² | 197 m² | +69 m² +54% | 2020 |
|---|
| 17, Mill Hill Drive686 m away | 89 m² | 158 m² | +69 m² +78% | 2012 |
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| 20, Windlesham Road463 m away | 86 m² | 154 m² | +68 m² +79% | 2018 |
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| 39, Rosslyn Road769 m away | 104 m² | 171 m² | +67 m² +64% | 2026 |
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| 10, The Close384 m away | 96 m² | 158 m² | +62 m² +65% | 2017 |
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| 343, Upper Shoreham Road220 m away | 137 m² | 196 m² | +59 m² +43% | 2026 |
|---|
| 39, Ravensbourne Avenue878 m away | 82 m² | 141 m² | +59 m² +72% | 2024 |
|---|
| 7, Ravensbourne Close906 m away | 89 m² | 148 m² | +59 m² +66% | 2019 |
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| 7, The Close384 m away | 151 m² | 210 m² | +59 m² +39% | 2015 |
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| 3, Lesser Foxholes545 m away | 150 m² | 209 m² | +59 m² +39% | 2014 |
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| 14, Mill Hill Gardens581 m away | 91 m² | 144 m² | +53 m² +58% | 2019 |
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| 5, Windlesham Gardens488 m away | 216 m² | 269 m² | +53 m² +25% | 2016 |
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| 39, Victoria Road376 m away | 107 m² | 160 m² | +53 m² +50% | 2015 |
|---|
| 23, Greenacres97 m away | 78 m² | 130 m² | +52 m² +67% | 2021 |
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| 10, Adur Avenue314 m away | 78 m² | 129 m² | +51 m² +65% | 2024 |
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| 5, North Street583 m away | 76 m² | 127 m² | +51 m² +67% | 2020 |
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| 9, Mill Hill687 m away | 282 m² | 332 m² | +50 m² +18% | 2014 |
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| 8, Ravensbourne Close906 m away | 77 m² | 125 m² | +48 m² +62% | 2018 |
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| 22, Rosslyn Road780 m away | 72 m² | 120 m² | +48 m² +67% | 2015 |
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| 3, Ravens Road456 m away | 101 m² | 148 m² | +47 m² +47% | 2019 |
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| 10, Lesser Foxholes545 m away | 105 m² | 152 m² | +47 m² +45% | 2017 |
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| 7, Cypress Close963 m away | 94 m² | 141 m² | +47 m² +50% | 2016 |
|---|
| 3, Nicolson Drive798 m away | 74 m² | 120 m² | +46 m² +62% | 2024 |
|---|
| 13, Mill Hill Drive686 m away | 88 m² | 134 m² | +46 m² +52% | 2020 |
|---|
| 14, The Avenue496 m away | 99 m² | 144 m² | +45 m² +45% | 2026 |
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| 24, Norman Crescent728 m away | 75 m² | 120 m² | +45 m² +60% | 2020 |
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| 17, Connaught Avenue191 m away | 112 m² | 156 m² | +44 m² +39% | 2023 |
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| 75, Gordon Road797 m away | 103 m² | 147 m² | +44 m² +43% | 2018 |
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| 3, Steyning Road560 m away | 104 m² | 146 m² | +42 m² +40% | 2023 |
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| 56, Gordon Road794 m away | 118 m² | 160 m² | +42 m² +36% | 2022 |
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| 14, Erringham Road356 m away | 122 m² | 164 m² | +42 m² +34% | 2020 |
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| 17, Oxen Avenue334 m away | 138 m² | 177 m² | +39 m² +28% | 2023 |
|---|
| 419, Upper Shoreham Road303 m away | 92 m² | 131 m² | +39 m² +42% | 2021 |
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| 59, Southdown Road300 m away | 128 m² | 166 m² | +38 m² +30% | 2026 |
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| 23, Oxen Avenue334 m away | 78 m² | 116 m² | +38 m² +49% | 2023 |
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| 113, Old Shoreham Road281 m away | 72 m² | 110 m² | +38 m² +53% | 2022 |
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| 27, Victoria Road376 m away | 85 m² | 123 m² | +38 m² +45% | 2022 |
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| 12, Connaught Avenue133 m away | 85 m² | 123 m² | +38 m² +45% | 2019 |
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| Adur Cottage, The Street466 m away | 165 m² | 202 m² | +37 m² +22% | 2026 |
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| Rena, The Street466 m away | 79 m² | 115 m² | +36 m² +46% | 2020 |
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| 36, John Street650 m away | 86 m² | 121 m² | +35 m² +41% | 2026 |
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| 42, Connaught Avenue133 m away | 96 m² | 131 m² | +35 m² +36% | 2024 |
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| 27, Gordon Road797 m away | 122 m² | 157 m² | +35 m² +29% | 2024 |
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| 136, Greenacres0 m away | 100 m² | 135 m² | +35 m² +35% | 2020 |
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| 7, Newtimber Gardens701 m away | 77 m² | 110 m² | +33 m² +43% | 2021 |
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| 7a, Oxen Avenue334 m away | 54 m² | 87 m² | +33 m² +61% | 2017 |
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| Tara, St Nicolas Lane461 m away | 119 m² | 152 m² | +33 m² +28% | 2016 |
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| 20, Victoria Road492 m away | 81 m² | 113 m² | +32 m² +40% | 2018 |
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| 48, Adur Avenue405 m away | 34 m² | 66 m² | +32 m² +94% | 2016 |
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| 28, Ship Street565 m away | 58 m² | 89 m² | +31 m² +53% | 2024 |
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| 41, Queens Place543 m away | 75 m² | 106 m² | +31 m² +41% | 2019 |
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| 37, Buckingham Road601 m away | 70 m² | 101 m² | +31 m² +44% | 2012 |
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| 90, Greenacres0 m away | 112 m² | 142 m² | +30 m² +27% | 2026 |
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| 16, Mill Hill629 m away | 157 m² | 187 m² | +30 m² +19% | 2026 |
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| 74, Buckingham Road627 m away | 146 m² | 176 m² | +30 m² +21% | 2024 |
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| 22, Old Shoreham Road256 m away | 70 m² | 100 m² | +30 m² +43% | 2023 |
|---|
| 146, Greenacres0 m away | 85 m² | 114 m² | +29 m² +34% | 2026 |
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| 86, Greenacres0 m away | 80 m² | 109 m² | +29 m² +36% | 2015 |
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| 37, Ravensbourne Avenue878 m away | 115 m² | 144 m² | +29 m² +25% | 2015 |
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| 6, Buckingham Avenue387 m away | 121 m² | 150 m² | +29 m² +24% | 2013 |
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| 3, Old Shoreham Road484 m away | 70 m² | 99 m² | +29 m² +41% | 2013 |
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| 54, Chanctonbury Drive785 m away | 105 m² | 133 m² | +28 m² +27% | 2023 |
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| 62, Connaught Avenue133 m away | 99 m² | 127 m² | +28 m² +28% | 2021 |
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| 56, Mill Lane222 m away | 151 m² | 179 m² | +28 m² +19% | 2021 |
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| 34, New Road812 m away | 38 m² | 66 m² | +28 m² +74% | 2009 |
|---|
| 7, Edburton Gardens791 m away | 115 m² | 142 m² | +27 m² +23% | 2025 |
|---|
| 72, The Drive846 m away | 106 m² | 133 m² | +27 m² +25% | 2025 |
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| 5, The Rowans228 m away | 78 m² | 105 m² | +27 m² +35% | 2022 |
|---|
| 15, Oxen Avenue334 m away | 104 m² | 130 m² | +26 m² +25% | 2020 |
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| 9, Old Shoreham Road484 m away | 75 m² | 101 m² | +26 m² +35% | 2017 |
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| 139, Old Shoreham Road281 m away | 81 m² | 107 m² | +26 m² +32% | 2016 |
|---|
| 50, Gordon Road794 m away | 51 m² | 77 m² | +26 m² +51% | 2013 |
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| 1, Saxons918 m away | 97 m² | 122 m² | +25 m² +26% | 2026 |
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| 26, Broad Reach506 m away | 141 m² | 166 m² | +25 m² +18% | 2021 |
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| 30, The Drive846 m away | 95 m² | 120 m² | +25 m² +26% | 2021 |
|---|
| 3, Windlesham Road463 m away | 121 m² | 146 m² | +25 m² +21% | 2013 |
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| 67, Old Shoreham Road281 m away | 95 m² | 119 m² | +24 m² +25% | 2025 |
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| 3, New Road812 m away | 91 m² | 115 m² | +24 m² +26% | 2024 |
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| 8, Broad Reach506 m away | 153 m² | 177 m² | +24 m² +16% | 2019 |
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| 360, Upper Shoreham Road405 m away | 95 m² | 119 m² | +24 m² +25% | 2013 |
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| 12, Downsway490 m away | 147 m² | 170 m² | +23 m² +16% | 2020 |
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| 33, Buckingham Road601 m away | 99 m² | 122 m² | +23 m² +23% | 2014 |
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| 85, Connaught Avenue191 m away | 100 m² | 122 m² | +22 m² +22% | 2025 |
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| 53, John Street577 m away | 78 m² | 100 m² | +22 m² +28% | 2025 |
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| 10, Buckingham Mews777 m away | 87 m² | 109 m² | +22 m² +25% | 2021 |
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| 91, Victoria Road246 m away | 134 m² | 156 m² | +22 m² +16% | 2018 |
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| 39, Mill Lane222 m away | 146 m² | 168 m² | +22 m² +15% | 2013 |
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| 12, Hebe Road380 m away | 76 m² | 97 m² | +21 m² +28% | 2021 |
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| Ambleside, The Street466 m away | 60 m² | 81 m² | +21 m² +35% | 2015 |
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| 28, Broad Reach506 m away | 109 m² | 128 m² | +19 m² +17% | 2024 |
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| 20, Mill Hill Drive672 m away | 93 m² | 112 m² | +19 m² +20% | 2022 |
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| 25, Queens Place543 m away | 83 m² | 102 m² | +19 m² +23% | 2021 |
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| 35, Saxons918 m away | 79 m² | 98 m² | +19 m² +24% | 2020 |
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| 439, Upper Shoreham Road303 m away | 102 m² | 121 m² | +19 m² +19% | 2018 |
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| 4, Newtimber Gardens701 m away | 73 m² | 92 m² | +19 m² +26% | 2015 |
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| 184, Old Shoreham Road354 m away | 85 m² | 104 m² | +19 m² +22% | 2011 |
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| 3, Adur Avenue314 m away | 114 m² | 132 m² | +18 m² +16% | 2025 |
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| 106, Old Shoreham Road354 m away | 85 m² | 103 m² | +18 m² +21% | 2023 |
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| 10, Victoria Road492 m away | 70 m² | 88 m² | +18 m² +26% | 2020 |
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| 4, Adur Avenue314 m away | 89 m² | 106 m² | +17 m² +19% | 2026 |
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| 1 - 3, Ship Street565 m away | 53 m² | 70 m² | +17 m² +32% | 2026 |
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| 5, Hebe Road380 m away | 75 m² | 92 m² | +17 m² +23% | 2020 |
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| 58, Adur Avenue405 m away | 52 m² | 69 m² | +17 m² +33% | 2017 |
|---|
| 36, Mill Hill Drive672 m away | 110 m² | 127 m² | +17 m² +15% | 2013 |
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| 36, Queens Place543 m away | 85 m² | 101 m² | +16 m² +19% | 2020 |
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| 4, Western Road613 m away | 40 m² | 56 m² | +16 m² +40% | 2020 |
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| 58, Old Shoreham Road256 m away | 78 m² | 94 m² | +16 m² +21% | 2019 |
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| 73, West Street524 m away | 96 m² | 112 m² | +16 m² +17% | 2017 |
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| 92, Connaught Avenue372 m away | 85 m² | 101 m² | +16 m² +19% | 2016 |
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| 19, Adur Avenue314 m away | 85 m² | 100 m² | +15 m² +18% | 2025 |
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