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 CM12 0PB
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 |
|---|---|---|---|---|
| Deerbank, Deerbank Road961 m away | 292 m² | 713 m² | +421 m² +144% | 2017 |
| 24, Lake Avenue782 m away | 153 m² | 369 m² | +216 m² +141% | 2017 |
| 152, Norsey Road844 m away | 170 m² | 342 m² | +172 m² +101% | 2013 |
| 8, Little Norsey Road699 m away | 117 m² | 271 m² | +154 m² +132% | 2018 |
| 166, Norsey Road962 m away | 444 m² | 597 m² | +153 m² +34% | 2022 |
| 57, Norsey Road797 m away | 185 m² | 330 m² | +145 m² +78% | 2022 |
| 3, Hallam Court654 m away | 114 m² | 240 m² | +126 m² +111% | 2022 |
| 5, Lake Avenue782 m away | 104 m² | 230 m² | +126 m² +121% | 2020 |
| 204, Perry Street317 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.
| 127 m² |
| 249 m² |
| +122 m² +96% |
| 2023 |
| 125, Perry Street384 m away | 147 m² | 262 m² | +115 m² +78% | 2022 |
|---|
| 15, Lakeside507 m away | 81 m² | 192 m² | +111 m² +137% | 2023 |
|---|
| 11, Central Avenue668 m away | 123 m² | 221 m² | +98 m² +80% | 2025 |
|---|
| 19, Little Norsey Road699 m away | 105 m² | 195 m² | +90 m² +86% | 2025 |
|---|
| 293, Perry Street808 m away | 79 m² | 169 m² | +90 m² +114% | 2016 |
|---|
| 46, Stock Road675 m away | 169 m² | 252 m² | +83 m² +49% | 2020 |
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| 94a, Norsey Road787 m away | 334 m² | 410 m² | +76 m² +23% | 2022 |
|---|
| 16, Lakeside507 m away | 76 m² | 145 m² | +69 m² +91% | 2022 |
|---|
| 54, Stock Road566 m away | 92 m² | 161 m² | +69 m² +75% | 2012 |
|---|
| 77, Norsey Road844 m away | 120 m² | 188 m² | +68 m² +57% | 2017 |
|---|
| 48, Stock Road566 m away | 64 m² | 129 m² | +65 m² +102% | 2015 |
|---|
| 28, The Grove746 m away | 261 m² | 322 m² | +61 m² +23% | 2025 |
|---|
| 4, The Grove746 m away | 129 m² | 189 m² | +60 m² +47% | 2018 |
|---|
| 28, Ricketts Drive917 m away | 62 m² | 122 m² | +60 m² +97% | 2009 |
|---|
| 17, Raven Close684 m away | 100 m² | 158 m² | +58 m² +58% | 2024 |
|---|
| 174, Stock Road915 m away | 78 m² | 136 m² | +58 m² +74% | 2023 |
|---|
| 237, Perry Street469 m away | 82 m² | 140 m² | +58 m² +71% | 2021 |
|---|
| 47, Hillhouse Drive293 m away | 150 m² | 206 m² | +56 m² +37% | 2025 |
|---|
| 1, Dorchester Road146 m away | 55 m² | 111 m² | +56 m² +102% | 2024 |
|---|
| 94, Norsey Road787 m away | 257 m² | 312 m² | +55 m² +21% | 2022 |
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| 84, Upland Road918 m away | 87 m² | 140 m² | +53 m² +61% | 2022 |
|---|
| 6, Ricketts Drive917 m away | 62 m² | 114 m² | +52 m² +84% | 2021 |
|---|
| 291, Perry Street808 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
|---|
| 33, Hillhouse Close349 m away | 112 m² | 163 m² | +51 m² +46% | 2024 |
|---|
| 14, Stock Road778 m away | 179 m² | 230 m² | +51 m² +28% | 2020 |
|---|
| 12, Orchard Avenue761 m away | 66 m² | 117 m² | +51 m² +77% | 2018 |
|---|
| 30, Walsingham Way489 m away | 132 m² | 183 m² | +51 m² +39% | 2014 |
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| 111a, Perry Street384 m away | 72 m² | 121 m² | +49 m² +68% | 2017 |
|---|
| 6, St Helens Walk992 m away | 86 m² | 133 m² | +47 m² +55% | 2016 |
|---|
| 20, Montague Way209 m away | 109 m² | 155 m² | +46 m² +42% | 2014 |
|---|
| 46, Cromwell Avenue835 m away | 121 m² | 166 m² | +45 m² +37% | 2024 |
|---|
| 289, Perry Street808 m away | 119 m² | 163 m² | +44 m² +37% | 2025 |
|---|
| 259, Perry Street608 m away | 55 m² | 98 m² | +43 m² +78% | 2024 |
|---|
| 22, Marlborough Way183 m away | 57 m² | 100 m² | +43 m² +75% | 2021 |
|---|
| 118, Stock Road690 m away | 149 m² | 191 m² | +42 m² +28% | 2024 |
|---|
| 6, Upland Road652 m away | 87 m² | 129 m² | +42 m² +48% | 2015 |
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| 21, Dukes Road622 m away | 81 m² | 122 m² | +41 m² +51% | 2022 |
|---|
| 8, Upland Road652 m away | 104 m² | 144 m² | +40 m² +38% | 2023 |
|---|
| 4, Wick Glen824 m away | 66 m² | 104 m² | +38 m² +58% | 2021 |
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| 133, Stock Road550 m away | 95 m² | 133 m² | +38 m² +40% | 2012 |
|---|
| 3, Graham Close531 m away | 126 m² | 163 m² | +37 m² +29% | 2022 |
|---|
| 139, Perry Street245 m away | 105 m² | 142 m² | +37 m² +35% | 2018 |
|---|
| 30, Lake Avenue782 m away | 210 m² | 247 m² | +37 m² +18% | 2018 |
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| 99, Norsey View Drive711 m away | 141 m² | 178 m² | +37 m² +26% | 2017 |
|---|
| 61, Perry Street807 m away | 70 m² | 106 m² | +36 m² +51% | 2026 |
|---|
| 104, Stock Road561 m away | 116 m² | 152 m² | +36 m² +31% | 2021 |
|---|
| 37, Radford Court977 m away | 31 m² | 67 m² | +36 m² +116% | 2010 |
|---|
| 1, Lakeside507 m away | 48 m² | 83 m² | +35 m² +73% | 2026 |
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| 23, Sylvan Tryst586 m away | 158 m² | 193 m² | +35 m² +22% | 2026 |
|---|
| 10, Norsey View Drive449 m away | 72 m² | 107 m² | +35 m² +49% | 2025 |
|---|
| 10, Cromwell Avenue914 m away | 99 m² | 133 m² | +34 m² +34% | 2023 |
|---|
| 15, Cromwell Avenue914 m away | 92 m² | 126 m² | +34 m² +37% | 2022 |
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| 4, Raven Lane746 m away | 92 m² | 126 m² | +34 m² +37% | 2017 |
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| 69, Perry Street807 m away | 104 m² | 137 m² | +33 m² +32% | 2022 |
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| 22, Trafalgar Way144 m away | 44 m² | 77 m² | +33 m² +75% | 2019 |
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| 27, Walsingham Way489 m away | 170 m² | 203 m² | +33 m² +19% | 2016 |
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| 19, Knightbridge Walk598 m away | 77 m² | 108 m² | +31 m² +40% | 2022 |
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| 40, Lampern Crescent841 m away | 130 m² | 161 m² | +31 m² +24% | 2022 |
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| 10, Sussex Court659 m away | 104 m² | 135 m² | +31 m² +30% | 2020 |
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| 3, St Peters Walk850 m away | 86 m² | 117 m² | +31 m² +36% | 2015 |
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| 302, Perry Street808 m away | 148 m² | 179 m² | +31 m² +21% | 2014 |
|---|
| 22, Devereux Way542 m away | 136 m² | 166 m² | +30 m² +22% | 2022 |
|---|
| 188, Perry Street139 m away | 80 m² | 110 m² | +30 m² +38% | 2015 |
|---|
| 25a, Lake Avenue782 m away | 133 m² | 162 m² | +29 m² +22% | 2024 |
|---|
| 123, Norsey Road962 m away | 92 m² | 121 m² | +29 m² +32% | 2021 |
|---|
| 9, Lilford Road769 m away | 104 m² | 132 m² | +28 m² +27% | 2022 |
|---|
| 336, Perry Street987 m away | 89 m² | 117 m² | +28 m² +31% | 2022 |
|---|
| 298, Perry Street808 m away | 122 m² | 150 m² | +28 m² +23% | 2012 |
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| 49, Portman Drive208 m away | 28 m² | 55 m² | +27 m² +96% | 2024 |
|---|
| 310, Perry Street987 m away | 91 m² | 118 m² | +27 m² +30% | 2024 |
|---|
| 71, Perry Street807 m away | 70 m² | 96 m² | +26 m² +37% | 2026 |
|---|
| 20, Oakwood Drive888 m away | 170 m² | 196 m² | +26 m² +15% | 2021 |
|---|
| 29, Hillhouse Close349 m away | 101 m² | 127 m² | +26 m² +26% | 2017 |
|---|
| 34, Marlborough Way337 m away | 41 m² | 67 m² | +26 m² +63% | 2014 |
|---|
| 21, Grosvenor Gardens166 m away | 101 m² | 126 m² | +25 m² +25% | 2022 |
|---|
| 145, Norsey View Drive850 m away | 98 m² | 123 m² | +25 m² +26% | 2022 |
|---|
| 68, Porchester Road458 m away | 105 m² | 130 m² | +25 m² +24% | 2020 |
|---|
| 7, Lakeside507 m away | 62 m² | 87 m² | +25 m² +40% | 2020 |
|---|
| 7, Knightbridge Walk598 m away | 77 m² | 102 m² | +25 m² +32% | 2020 |
|---|
| 304b, Perry Street808 m away | 144 m² | 169 m² | +25 m² +17% | 2016 |
|---|
| 32, Tylers Avenue600 m away | 93 m² | 117 m² | +24 m² +26% | 2023 |
|---|
| 25, Norsey View Drive449 m away | 110 m² | 134 m² | +24 m² +22% | 2022 |
|---|
| 11, Park Lodge315 m away | 24 m² | 48 m² | +24 m² +100% | 2021 |
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| 5, Langdon Mews863 m away | 94 m² | 118 m² | +24 m² +26% | 2021 |
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| 79, Newlands Road213 m away | 82 m² | 106 m² | +24 m² +29% | 2018 |
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| 152, Norsey View Drive850 m away | 108 m² | 131 m² | +23 m² +21% | 2026 |
|---|
| 9, Springfield Road330 m away | 127 m² | 150 m² | +23 m² +18% | 2020 |
|---|
| 34, Perry Street807 m away | 51 m² | 73 m² | +22 m² +43% | 2026 |
|---|
| 21, Sussex Way661 m away | 74 m² | 96 m² | +22 m² +30% | 2023 |
|---|
| 15, Perry Street952 m away | 79 m² | 100 m² | +21 m² +27% | 2026 |
|---|
| 66, Hollyford979 m away | 101 m² | 122 m² | +21 m² +21% | 2025 |
|---|
| 3, Little Norsey Road572 m away | 111 m² | 132 m² | +21 m² +19% | 2024 |
|---|
| 2, Robin Close1000 m away | 109 m² | 130 m² | +21 m² +19% | 2021 |
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| 9, Crescent Gardens956 m away | 97 m² | 118 m² | +21 m² +22% | 2019 |
|---|
| 7, Newlands Close167 m away | 79 m² | 100 m² | +21 m² +27% | 2017 |
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| 21, The Priory765 m away | 93 m² | 114 m² | +21 m² +23% | 2012 |
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| 40, Chestwood Close0 m away | 128 m² | 148 m² | +20 m² +16% | 2025 |
|---|
| 176, Stock Road915 m away | 97 m² | 117 m² | +20 m² +21% | 2021 |
|---|
| 12, The Copse342 m away | 125 m² | 144 m² | +19 m² +15% | 2026 |
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| 121b, Norsey View Drive711 m away | 123 m² | 142 m² | +19 m² +15% | 2026 |
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| 28, Little Norsey Road699 m away | 72 m² | 91 m² | +19 m² +26% | 2025 |
|---|
| 45, Connaught Way408 m away | 120 m² | 139 m² | +19 m² +16% | 2023 |
|---|
| 4, Walsingham Way489 m away | 113 m² | 132 m² | +19 m² +17% | 2015 |
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| 20, Devereux Way542 m away | 114 m² | 132 m² | +18 m² +16% | 2025 |
|---|
| 3, Munster Court619 m away | 99 m² | 117 m² | +18 m² +18% | 2024 |
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| 12, Gordon Close999 m away | 97 m² | 115 m² | +18 m² +19% | 2020 |
|---|
| Flat 14, Radstocks, Stock Road998 m away | 53 m² | 70 m² | +17 m² +32% | 2025 |
|---|
| Flat 10, 8, Stock Road778 m away | 62 m² | 79 m² | +17 m² +27% | 2020 |
|---|
| 87, Knightbridge Walk792 m away | 74 m² | 91 m² | +17 m² +23% | 2012 |
|---|
| 6, Westbourne Gardens229 m away | 75 m² | 91 m² | +16 m² +21% | 2025 |
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| 17, Gloucester Place255 m away | 58 m² | 74 m² | +16 m² +28% | 2025 |
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| 61, Crescent Road940 m away | 97 m² | 113 m² | +16 m² +16% | 2024 |
|---|
| 4, Grosvenor Gardens166 m away | 31 m² | 47 m² | +16 m² +52% | 2022 |
|---|
| 6, Princes Court973 m away | 58 m² | 74 m² | +16 m² +28% | 2022 |
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| 2, Trafalgar Way144 m away | 95 m² | 111 m² | +16 m² +17% | 2021 |
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| Flat 7, Radstocks, Stock Road998 m away | 66 m² | 82 m² | +16 m² +24% | 2019 |
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| 21, Gordon Close999 m away | 81 m² | 96 m² | +15 m² +19% | 2026 |
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| 4, Needham Close905 m away | 91 m² | 106 m² | +15 m² +16% | 2024 |
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| 24, Burns Close967 m away | 46 m² | 61 m² | +15 m² +33% | 2022 |
|---|
| 36, Marlborough Way337 m away | 41 m² | 56 m² | +15 m² +37% | 2021 |
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| 6, Porchester Road458 m away | 79 m² | 94 m² | +15 m² +19% | 2020 |
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