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 PO9 1AX
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 |
|---|---|---|---|---|
| 22, Southleigh Road738 m away | 155 m² | 245 m² | +90 m² +58% | 2016 |
| 25, Castle Avenue950 m away | 114 m² | 196 m² | +82 m² +72% | 2024 |
| 14d, Emsworth Road541 m away | 166 m² | 244 m² | +78 m² +47% | 2020 |
| 21, Castle Avenue950 m away | 85 m² | 157 m² | +72 m² +85% | 2014 |
| 16a, Beechworth Road0 m away | 287 m² | 358 m² | +71 m² +25% | 2013 |
| 24, Southleigh Road738 m away | 157 m² | 227 m² | +70 m² +45% | 2018 |
| 15, New Lane534 m away | 84 m² | 152 m² | +68 m² +81% | 2020 |
| 6, Pembury Road613 m away | 109 m² | 177 m² | +68 m² +62% | 2013 |
| 2, Norris Gardens681 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.
| 125 m² |
| 191 m² |
| +66 m² +53% |
| 2016 |
| 8, Brookmead Way963 m away | 114 m² | 178 m² | +64 m² +56% | 2025 |
|---|
| 7, New Lane534 m away | 76 m² | 131 m² | +55 m² +72% | 2011 |
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| 55c, South Street395 m away | 121 m² | 175 m² | +54 m² +45% | 2015 |
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| 24, Hamilton Close627 m away | 120 m² | 173 m² | +53 m² +44% | 2025 |
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| 6, Langbrook Close835 m away | 125 m² | 177 m² | +52 m² +42% | 2026 |
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| 26, Leigh Road516 m away | 87 m² | 137 m² | +50 m² +57% | 2014 |
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| 2, St Georges Avenue949 m away | 227 m² | 277 m² | +50 m² +22% | 2009 |
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| 73, West Street663 m away | 123 m² | 172 m² | +49 m² +40% | 2016 |
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| 1, Woodbury Avenue703 m away | 190 m² | 239 m² | +49 m² +26% | 2016 |
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| 17, Wade Court Road494 m away | 230 m² | 278 m² | +48 m² +21% | 2014 |
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| 27, Lower Grove Road421 m away | 174 m² | 221 m² | +47 m² +27% | 2023 |
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| 20, Berkeley Square611 m away | 144 m² | 191 m² | +47 m² +33% | 2023 |
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| 20, Field Place250 m away | 94 m² | 140 m² | +46 m² +49% | 2026 |
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| 26, Brockhampton Lane766 m away | 33 m² | 79 m² | +46 m² +139% | 2015 |
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| 2a, Castle Avenue950 m away | 153 m² | 199 m² | +46 m² +30% | 2015 |
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| 50, Berkeley Square611 m away | 134 m² | 177 m² | +43 m² +32% | 2021 |
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| Flat 3, Watermill Court, 10, Springwell396 m away | 52 m² | 95 m² | +43 m² +83% | 2017 |
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| 61, New Lane534 m away | 63 m² | 105 m² | +42 m² +67% | 2021 |
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| 44, Berkeley Square611 m away | 106 m² | 147 m² | +41 m² +39% | 2019 |
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| 17c, Leigh Road516 m away | 112 m² | 153 m² | +41 m² +37% | 2017 |
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| Cherrytrees, 1, Southbrook Close800 m away | 121 m² | 161 m² | +40 m² +33% | 2014 |
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| 3, Berkeley Square611 m away | 100 m² | 138 m² | +38 m² +38% | 2024 |
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| 9b, Castle Avenue950 m away | 198 m² | 236 m² | +38 m² +19% | 2023 |
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| 22, Third Avenue652 m away | 82 m² | 120 m² | +38 m² +46% | 2019 |
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| 1, Trosnant Road966 m away | 57 m² | 95 m² | +38 m² +67% | 2018 |
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| 63, Old Copse Road579 m away | 116 m² | 153 m² | +37 m² +32% | 2022 |
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| 13, Beechworth Road0 m away | 94 m² | 129 m² | +35 m² +37% | 2026 |
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| 19, Cross Way825 m away | 50 m² | 85 m² | +35 m² +70% | 2009 |
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| 3, Third Avenue534 m away | 91 m² | 124 m² | +33 m² +36% | 2024 |
|---|
| 16, Hamilton Close627 m away | 105 m² | 138 m² | +33 m² +31% | 2019 |
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| 7, Homewell313 m away | 35 m² | 67 m² | +32 m² +91% | 2026 |
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| 85, Oaklands Road353 m away | 83 m² | 114 m² | +31 m² +37% | 2025 |
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| 17, Mavis Crescent565 m away | 96 m² | 127 m² | +31 m² +32% | 2025 |
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| 16, Granville Close629 m away | 105 m² | 136 m² | +31 m² +30% | 2025 |
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| 4, Grange Close597 m away | 93 m² | 124 m² | +31 m² +33% | 2023 |
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| 10, Homewell313 m away | 33 m² | 64 m² | +31 m² +94% | 2022 |
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| 47, Southleigh Road945 m away | 118 m² | 149 m² | +31 m² +26% | 2015 |
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| 4, Pembury Road613 m away | 130 m² | 160 m² | +30 m² +23% | 2025 |
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| 36, Grove Road281 m away | 167 m² | 197 m² | +30 m² +18% | 2016 |
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| 1a, First Avenue788 m away | 64 m² | 93 m² | +29 m² +45% | 2013 |
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| 31, Old Copse Road579 m away | 108 m² | 135 m² | +27 m² +25% | 2023 |
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| 8, Meadowlands466 m away | 158 m² | 185 m² | +27 m² +17% | 2021 |
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| 36, Waterloo Road190 m away | 33 m² | 60 m² | +27 m² +82% | 2018 |
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| 61, Southbrook Road773 m away | 106 m² | 133 m² | +27 m² +25% | 2014 |
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| Flat 8, Westbourne Court, Chidham Close702 m away | 57 m² | 83 m² | +26 m² +46% | 2014 |
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| 6, Grange Close597 m away | 131 m² | 156 m² | +25 m² +19% | 2022 |
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| 16, Lower Grove Road421 m away | 87 m² | 112 m² | +25 m² +29% | 2021 |
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| 55, Old Copse Road579 m away | 81 m² | 106 m² | +25 m² +31% | 2015 |
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| 3, Southbrook Road773 m away | 129 m² | 154 m² | +25 m² +19% | 2011 |
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| Flat 6, Elmleigh House, 19, Leigh Road516 m away | 67 m² | 91 m² | +24 m² +36% | 2026 |
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| 18, Bellair Road156 m away | 140 m² | 163 m² | +23 m² +16% | 2025 |
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| 124, West Street688 m away | 86 m² | 109 m² | +23 m² +27% | 2015 |
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| 28a, Market Parade275 m away | 70 m² | 92 m² | +22 m² +31% | 2023 |
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| 14, Trosnant Road966 m away | 69 m² | 91 m² | +22 m² +32% | 2015 |
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| 10, Southleigh Road738 m away | 127 m² | 149 m² | +22 m² +17% | 2014 |
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| 36, Longmead Gardens932 m away | 94 m² | 116 m² | +22 m² +23% | 2014 |
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| 6, Holybourne Road987 m away | 75 m² | 97 m² | +22 m² +29% | 2011 |
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| 29, Southleigh Road817 m away | 143 m² | 165 m² | +22 m² +15% | 2009 |
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| 33, Warblington Avenue881 m away | 98 m² | 119 m² | +21 m² +21% | 2025 |
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| 11, Tavistock Gardens802 m away | 92 m² | 112 m² | +20 m² +22% | 2026 |
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| 41, Pook Lane745 m away | 70 m² | 89 m² | +19 m² +27% | 2026 |
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| 8a, Market Parade275 m away | 80 m² | 98 m² | +18 m² +23% | 2024 |
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| 4, Southleigh Road738 m away | 114 m² | 132 m² | +18 m² +16% | 2022 |
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| 4, Cross Way825 m away | 84 m² | 102 m² | +18 m² +21% | 2022 |
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| 95b, West Street663 m away | 70 m² | 88 m² | +18 m² +26% | 2021 |
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| 2a, Beechworth Road0 m away | 96 m² | 114 m² | +18 m² +19% | 2014 |
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| 18, Grange Close597 m away | 73 m² | 91 m² | +18 m² +25% | 2014 |
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| 9, Dunhurst Close962 m away | 103 m² | 121 m² | +18 m² +17% | 2014 |
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| 138, Blendworth Crescent969 m away | 66 m² | 84 m² | +18 m² +27% | 2014 |
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| Flat 3, George Court, 11, North Street212 m away | 31 m² | 48 m² | +17 m² +55% | 2019 |
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| 42, Fourth Avenue776 m away | 85 m² | 101 m² | +16 m² +19% | 2026 |
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| 29, Lymbourn Road305 m away | 88 m² | 104 m² | +16 m² +18% | 2024 |
|---|
| 30, Wendover Road803 m away | 94 m² | 110 m² | +16 m² +17% | 2019 |
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| Flat 10, Empire Court, 29, East Street85 m away | 40 m² | 56 m² | +16 m² +40% | 2018 |
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| 39, Mavis Crescent565 m away | 103 m² | 119 m² | +16 m² +16% | 2016 |
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| Flat 11, Westbourne Court, Chidham Close702 m away | 67 m² | 83 m² | +16 m² +24% | 2014 |
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| 26, Luard Court806 m away | 85 m² | 100 m² | +15 m² +18% | 2024 |
|---|
| 7, Grange Close597 m away | 97 m² | 112 m² | +15 m² +15% | 2022 |
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| 6, Wendover Road803 m away | 51 m² | 66 m² | +15 m² +29% | 2020 |
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| 91, West Street663 m away | 65 m² | 80 m² | +15 m² +23% | 2019 |
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| 39a, Park Way570 m away | 38 m² | 53 m² | +15 m² +39% | 2017 |
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| 29, Pook Lane745 m away | 77 m² | 92 m² | +15 m² +19% | 2013 |
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