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 6HA
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 |
|---|---|---|---|---|
| 18, Parkside0 m away | 101 m² | 222 m² | +121 m² +120% | 2017 |
| 69, Buckingham Road648 m away | 122 m² | 226 m² | +104 m² +85% | 2020 |
| 35, The Avenue842 m away | 107 m² | 207 m² | +100 m² +93% | 2019 |
| 9, Ravensbourne Close337 m away | 74 m² | 161 m² | +87 m² +118% | 2022 |
| 158, Downside429 m away | 88 m² | 173 m² | +85 m² +97% | 2026 |
| 116, Downside259 m away | 69 m² | 154 m² | +85 m² +123% | 2021 |
| 28, Rosslyn Road869 m away | 97 m² | 181 m² | +84 m² +87% | 2020 |
| 4, Warwick Walk775 m away | 101 m² | 180 m² | +79 m² +78% | 2015 |
| 43, Park Avenue553 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.
| 136 m² |
| +75 m² +123% |
| 2020 |
| 23, Windlesham Road748 m away | 159 m² | 232 m² | +73 m² +46% | 2021 |
|---|
| 29, Hammy Lane843 m away | 61 m² | 133 m² | +72 m² +118% | 2024 |
|---|
| 37, Hammy Lane715 m away | 58 m² | 128 m² | +70 m² +121% | 2021 |
|---|
| 28, Norman Crescent473 m away | 128 m² | 197 m² | +69 m² +54% | 2020 |
|---|
| 17, Mill Hill Drive937 m away | 89 m² | 158 m² | +69 m² +78% | 2012 |
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| 20, Windlesham Road748 m away | 86 m² | 154 m² | +68 m² +79% | 2018 |
|---|
| 39, Rosslyn Road830 m away | 104 m² | 171 m² | +67 m² +64% | 2026 |
|---|
| 13, New Barn Road526 m away | 48 m² | 115 m² | +67 m² +140% | 2024 |
|---|
| 81, Hammy Way631 m away | 53 m² | 120 m² | +67 m² +126% | 2024 |
|---|
| 31, Hammy Lane843 m away | 58 m² | 125 m² | +67 m² +116% | 2021 |
|---|
| 27, Fairfield Close707 m away | 54 m² | 120 m² | +66 m² +122% | 2020 |
|---|
| 23, Park Road410 m away | 61 m² | 126 m² | +65 m² +107% | 2017 |
|---|
| 26, Hammy Way692 m away | 81 m² | 145 m² | +64 m² +79% | 2024 |
|---|
| 41, Park Avenue553 m away | 84 m² | 148 m² | +64 m² +76% | 2023 |
|---|
| 5, Downside404 m away | 82 m² | 146 m² | +64 m² +78% | 2021 |
|---|
| 13, Hammy Lane843 m away | 61 m² | 125 m² | +64 m² +105% | 2018 |
|---|
| 10, The Close868 m away | 96 m² | 158 m² | +62 m² +65% | 2017 |
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| 98, Williams Road939 m away | 78 m² | 140 m² | +62 m² +79% | 2015 |
|---|
| 36, Slonk Hill Road396 m away | 77 m² | 138 m² | +61 m² +79% | 2019 |
|---|
| 39, Ravensbourne Avenue437 m away | 82 m² | 141 m² | +59 m² +72% | 2024 |
|---|
| 7, Ravensbourne Close337 m away | 89 m² | 148 m² | +59 m² +66% | 2019 |
|---|
| 7, The Close868 m away | 151 m² | 210 m² | +59 m² +39% | 2015 |
|---|
| 248, Upper Shoreham Road262 m away | 71 m² | 130 m² | +59 m² +83% | 2012 |
|---|
| 5, New Barn Road526 m away | 58 m² | 116 m² | +58 m² +100% | 2020 |
|---|
| 2, Nursery Close770 m away | 67 m² | 124 m² | +57 m² +85% | 2025 |
|---|
| 152, Eastern Avenue502 m away | 53 m² | 107 m² | +54 m² +102% | 2023 |
|---|
| 128, Downside259 m away | 68 m² | 122 m² | +54 m² +79% | 2019 |
|---|
| 50, Parkside0 m away | 94 m² | 148 m² | +54 m² +57% | 2016 |
|---|
| 14, Mill Hill Gardens889 m away | 91 m² | 144 m² | +53 m² +58% | 2019 |
|---|
| 5, Windlesham Gardens809 m away | 216 m² | 269 m² | +53 m² +25% | 2016 |
|---|
| 7, Thyme Close760 m away | 74 m² | 125 m² | +51 m² +69% | 2024 |
|---|
| 10, Juniper Walk742 m away | 52 m² | 103 m² | +51 m² +98% | 2020 |
|---|
| 139, Upper Shoreham Road782 m away | 86 m² | 137 m² | +51 m² +59% | 2020 |
|---|
| 50, Eastern Avenue786 m away | 79 m² | 128 m² | +49 m² +62% | 2023 |
|---|
| 3, Downside Close398 m away | 75 m² | 124 m² | +49 m² +65% | 2019 |
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| 8, Ravensbourne Close337 m away | 77 m² | 125 m² | +48 m² +62% | 2018 |
|---|
| 22, Rosslyn Road869 m away | 72 m² | 120 m² | +48 m² +67% | 2015 |
|---|
| 7, New Barn Road526 m away | 62 m² | 109 m² | +47 m² +76% | 2025 |
|---|
| 7, Cypress Close332 m away | 94 m² | 141 m² | +47 m² +50% | 2016 |
|---|
| 120, Downside259 m away | 68 m² | 114 m² | +46 m² +68% | 2025 |
|---|
| 3, Nicolson Drive690 m away | 74 m² | 120 m² | +46 m² +62% | 2024 |
|---|
| 13, Mill Hill Drive937 m away | 88 m² | 134 m² | +46 m² +52% | 2020 |
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| 40, Fairfield Close707 m away | 80 m² | 126 m² | +46 m² +57% | 2017 |
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| 14, The Avenue842 m away | 99 m² | 144 m² | +45 m² +45% | 2026 |
|---|
| 43, Rosemary Drive807 m away | 74 m² | 119 m² | +45 m² +61% | 2023 |
|---|
| 24, Norman Crescent473 m away | 75 m² | 120 m² | +45 m² +60% | 2020 |
|---|
| 19, Kingston Close991 m away | 47 m² | 91 m² | +44 m² +94% | 2021 |
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| 75, Gordon Road920 m away | 103 m² | 147 m² | +44 m² +43% | 2018 |
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| 217, Upper Shoreham Road283 m away | 103 m² | 147 m² | +44 m² +43% | 2013 |
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| 3, Park Avenue553 m away | 80 m² | 123 m² | +43 m² +54% | 2020 |
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| 34, Fairfield Close707 m away | 51 m² | 93 m² | +42 m² +82% | 2023 |
|---|
| 56, Gordon Road955 m away | 118 m² | 160 m² | +42 m² +36% | 2022 |
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| 28, Buci Crescent923 m away | 79 m² | 121 m² | +42 m² +53% | 2016 |
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| 122, Gordon Road916 m away | 81 m² | 122 m² | +41 m² +51% | 2024 |
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| 59, Crown Road514 m away | 58 m² | 99 m² | +41 m² +71% | 2020 |
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| 89, Eastern Avenue502 m away | 87 m² | 127 m² | +40 m² +46% | 2023 |
|---|
| 9, Park Road410 m away | 69 m² | 109 m² | +40 m² +58% | 2022 |
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| 22, Mansell Road877 m away | 71 m² | 110 m² | +39 m² +55% | 2026 |
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| 17, Oxen Avenue871 m away | 138 m² | 177 m² | +39 m² +28% | 2023 |
|---|
| 118, Greenways Crescent345 m away | 78 m² | 117 m² | +39 m² +50% | 2022 |
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| 79, Crown Road514 m away | 78 m² | 117 m² | +39 m² +50% | 2020 |
|---|
| 2, Coral Close326 m away | 87 m² | 126 m² | +39 m² +45% | 2012 |
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| 23, Oxen Avenue871 m away | 78 m² | 116 m² | +38 m² +49% | 2023 |
|---|
| 6, Tottington Way454 m away | 104 m² | 142 m² | +38 m² +37% | 2016 |
|---|
| 31, Fairfield Close707 m away | 78 m² | 113 m² | +35 m² +45% | 2025 |
|---|
| 27, Gordon Road920 m away | 122 m² | 157 m² | +35 m² +29% | 2024 |
|---|
| 167, Upper Shoreham Road782 m away | 100 m² | 134 m² | +34 m² +34% | 2026 |
|---|
| 7, Hammy Way631 m away | 47 m² | 81 m² | +34 m² +72% | 2025 |
|---|
| 38, Fairfield Close707 m away | 56 m² | 90 m² | +34 m² +61% | 2019 |
|---|
| 62, Hammy Lane715 m away | 102 m² | 136 m² | +34 m² +33% | 2015 |
|---|
| 66, Williams Road939 m away | 52 m² | 86 m² | +34 m² +65% | 2009 |
|---|
| 7, Newtimber Gardens562 m away | 77 m² | 110 m² | +33 m² +43% | 2021 |
|---|
| 7a, Oxen Avenue871 m away | 54 m² | 87 m² | +33 m² +61% | 2017 |
|---|
| 98, Crown Road560 m away | 64 m² | 97 m² | +33 m² +52% | 2013 |
|---|
| 52, Crown Road560 m away | 73 m² | 104 m² | +31 m² +42% | 2023 |
|---|
| 39, Rosemary Drive807 m away | 74 m² | 104 m² | +30 m² +41% | 2026 |
|---|
| 74, Buckingham Road648 m away | 146 m² | 176 m² | +30 m² +21% | 2024 |
|---|
| 5, Adelaide Square815 m away | 41 m² | 71 m² | +30 m² +73% | 2020 |
|---|
| 69, Middle Road973 m away | 98 m² | 128 m² | +30 m² +31% | 2014 |
|---|
| 52, Slonk Hill Road396 m away | 62 m² | 91 m² | +29 m² +47% | 2026 |
|---|
| 37, Ravensbourne Avenue437 m away | 115 m² | 144 m² | +29 m² +25% | 2015 |
|---|
| 6, Buckingham Avenue894 m away | 121 m² | 150 m² | +29 m² +24% | 2013 |
|---|
| 2, Lavender Hill626 m away | 80 m² | 108 m² | +28 m² +35% | 2024 |
|---|
| 54, Chanctonbury Drive798 m away | 105 m² | 133 m² | +28 m² +27% | 2023 |
|---|
| 56, Mill Lane980 m away | 151 m² | 179 m² | +28 m² +19% | 2021 |
|---|
| 12, Southlands Way339 m away | 85 m² | 112 m² | +27 m² +32% | 2025 |
|---|
| 72, The Drive478 m away | 106 m² | 133 m² | +27 m² +25% | 2025 |
|---|
| 7, Edburton Gardens564 m away | 115 m² | 142 m² | +27 m² +23% | 2025 |
|---|
| 46, Williams Road973 m away | 97 m² | 124 m² | +27 m² +28% | 2019 |
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| 15, Oxen Avenue871 m away | 104 m² | 130 m² | +26 m² +25% | 2020 |
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| 50, Gordon Road955 m away | 51 m² | 77 m² | +26 m² +51% | 2013 |
|---|
| 1, Saxons661 m away | 97 m² | 122 m² | +25 m² +26% | 2026 |
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| 30, The Drive478 m away | 95 m² | 120 m² | +25 m² +26% | 2021 |
|---|
| 44, Parkside0 m away | 87 m² | 112 m² | +25 m² +29% | 2013 |
|---|
| 13, Sullington Way592 m away | 84 m² | 109 m² | +25 m² +30% | 2013 |
|---|
| 3, Windlesham Road748 m away | 121 m² | 146 m² | +25 m² +21% | 2013 |
|---|
| 38, Hammy Close752 m away | 56 m² | 80 m² | +24 m² +43% | 2022 |
|---|
| 360, Upper Shoreham Road811 m away | 95 m² | 119 m² | +24 m² +25% | 2013 |
|---|
| 18, Rainbow Square401 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
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| 102, Downside259 m away | 107 m² | 130 m² | +23 m² +21% | 2023 |
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| 17, Rosemary Drive807 m away | 81 m² | 104 m² | +23 m² +28% | 2022 |
|---|
| 53, Adur Drive760 m away | 83 m² | 106 m² | +23 m² +28% | 2021 |
|---|
| 12, Downsway740 m away | 147 m² | 170 m² | +23 m² +16% | 2020 |
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| 15, Eastern Avenue786 m away | 69 m² | 92 m² | +23 m² +33% | 2011 |
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| 49, Longshore Drive450 m away | 120 m² | 142 m² | +22 m² +18% | 2025 |
|---|
| 10, Buckingham Mews435 m away | 87 m² | 109 m² | +22 m² +25% | 2021 |
|---|
| 55, Adur Drive760 m away | 77 m² | 99 m² | +22 m² +29% | 2016 |
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| 39, Mill Lane980 m away | 146 m² | 168 m² | +22 m² +15% | 2013 |
|---|
| 2, Ashlings Way315 m away | 86 m² | 107 m² | +21 m² +24% | 2022 |
|---|
| 39, Kingston Close991 m away | 39 m² | 60 m² | +21 m² +54% | 2020 |
|---|
| 78, Downside261 m away | 92 m² | 113 m² | +21 m² +23% | 2015 |
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| 80, Mansell Road789 m away | 86 m² | 106 m² | +20 m² +23% | 2025 |
|---|
| 44, Greenways Crescent118 m away | 96 m² | 116 m² | +20 m² +21% | 2024 |
|---|
| 28, Kingston Close991 m away | 57 m² | 77 m² | +20 m² +35% | 2024 |
|---|
| 53, Crown Road514 m away | 99 m² | 119 m² | +20 m² +20% | 2023 |
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| 29, Williams Road973 m away | 86 m² | 106 m² | +20 m² +23% | 2023 |
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| 5, Fairfield Close707 m away | 80 m² | 100 m² | +20 m² +25% | 2018 |
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| 244, Upper Shoreham Road262 m away | 51 m² | 71 m² | +20 m² +39% | 2016 |
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| 6, Mansell Road877 m away | 82 m² | 101 m² | +19 m² +23% | 2026 |
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| 48, Park Avenue553 m away | 105 m² | 124 m² | +19 m² +18% | 2025 |
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| 20, Mill Hill Drive892 m away | 93 m² | 112 m² | +19 m² +20% | 2022 |
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| 35, Saxons661 m away | 79 m² | 98 m² | +19 m² +24% | 2020 |
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| 56, Adur Drive768 m away | 125 m² | 144 m² | +19 m² +15% | 2016 |
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| 4, Newtimber Gardens562 m away | 73 m² | 92 m² | +19 m² +26% | 2015 |
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| 40, Greenways Crescent118 m away | 71 m² | 89 m² | +18 m² +25% | 2023 |
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| 60, Hammy Lane715 m away | 70 m² | 88 m² | +18 m² +26% | 2021 |
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| 43, Wilmot Road822 m away | 75 m² | 93 m² | +18 m² +24% | 2020 |
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| 85, Crown Road514 m away | 40 m² | 57 m² | +17 m² +43% | 2015 |
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| 54, Hammy Lane715 m away | 74 m² | 91 m² | +17 m² +23% | 2014 |
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| 36, Mill Hill Drive892 m away | 110 m² | 127 m² | +17 m² +15% | 2013 |
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| 44, Eastern Avenue786 m away | 80 m² | 95 m² | +15 m² +19% | 2025 |
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| 9, Adur Drive760 m away | 78 m² | 93 m² | +15 m² +19% | 2024 |
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| 7, Buci Crescent923 m away | 54 m² | 69 m² | +15 m² +28% | 2024 |
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| 5, Crown Road730 m away | 79 m² | 94 m² | +15 m² +19% | 2023 |
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| 65, Hammy Lane715 m away | 57 m² | 72 m² | +15 m² +26% | 2019 |
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| 39, Buci Crescent923 m away | 42 m² | 57 m² | +15 m² +36% | 2016 |
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| 14, Adur Drive768 m away | 97 m² | 112 m² | +15 m² +15% | 2009 |
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