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 N9 0HD
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 |
|---|---|---|---|---|
| 32, Brookfield Road644 m away | 86 m² | 184 m² | +98 m² +114% | 2022 |
| 23, Wellington Avenue263 m away | 99 m² | 190 m² | +91 m² +92% | 2022 |
| 189, St Marys Road972 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 13, Brookfield Road663 m away | 60 m² | 138 m² | +78 m² +130% | 2017 |
| 176, Montagu Road572 m away | 62 m² | 130 m² | +68 m² +110% | 2023 |
| 1, Lowden Road965 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 228, Bounces Road540 m away | 91 m² | 158 m² | +67 m² +74% | 2023 |
| 4, Brookfield Road644 m away | 96 m² | 163 m² | +67 m² +70% | 2016 |
| 24, Cornwallis Grove466 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.
| 67 m² |
| 134 m² |
| +67 m² +100% |
| 2014 |
| 13, Gordon Road543 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
|---|
| 24, Coniston Gardens799 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
|---|
| 195, St Marys Road972 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 76, Picketts Lock Lane975 m away | 85 m² | 147 m² | +62 m² +73% | 2025 |
|---|
| 14, Brook Crescent765 m away | 151 m² | 212 m² | +61 m² +40% | 2023 |
|---|
| 24, Montagu Crescent815 m away | 73 m² | 134 m² | +61 m² +84% | 2020 |
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| 92, Chester Road758 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 37, Woodlands Road912 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 38, Exeter Road370 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
|---|
| 33, Balham Road851 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
|---|
| 49, Lowden Road965 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 1, Felixstowe Road773 m away | 78 m² | 132 m² | +54 m² +69% | 2023 |
|---|
| 165, Bounces Road597 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 25, Seymour Road328 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
|---|
| 184, Montagu Road572 m away | 78 m² | 130 m² | +52 m² +67% | 2018 |
|---|
| 69, Westminster Road757 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 80, Monmouth Road271 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 175, Hertford Road993 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 179, Montagu Road519 m away | 69 m² | 119 m² | +50 m² +72% | 2021 |
|---|
| 53, Grosvenor Road919 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 25, Rays Avenue788 m away | 85 m² | 133 m² | +48 m² +56% | 2024 |
|---|
| 44, Picketts Lock Lane975 m away | 74 m² | 122 m² | +48 m² +65% | 2024 |
|---|
| 220, Montagu Road459 m away | 75 m² | 123 m² | +48 m² +64% | 2015 |
|---|
| 15, St Peters Road742 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 73, Chiswick Road784 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 49, Ascot Road961 m away | 67 m² | 112 m² | +45 m² +67% | 2025 |
|---|
| 23, Rosemary Avenue876 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 208, Bounces Road540 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 18, Logan Road316 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 57, Grosvenor Road919 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 75, Chiswick Road784 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 14, Grosvenor Road916 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 145, Jeremys Green409 m away | 70 m² | 113 m² | +43 m² +61% | 2026 |
|---|
| 42, Oxford Road598 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 38, Granville Avenue0 m away | 70 m² | 112 m² | +42 m² +60% | 2013 |
|---|
| Flat 12, Chiltern House, Beaconsfield Road797 m away | 42 m² | 83 m² | +41 m² +98% | 2023 |
|---|
| 35, Lion Road958 m away | 86 m² | 126 m² | +40 m² +47% | 2024 |
|---|
| 40, Dover Road387 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 37, Jeremys Green568 m away | 36 m² | 75 m² | +39 m² +108% | 2024 |
|---|
| 19, Westoe Road417 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
|---|
| 126, Town Road319 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
|---|
| 1, Brierley Avenue840 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 40, Exeter Road370 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 26, Baxter Road844 m away | 72 m² | 110 m² | +38 m² +53% | 2020 |
|---|
| 427, Montagu Road227 m away | 49 m² | 87 m² | +38 m² +78% | 2010 |
|---|
| 60, Lion Road930 m away | 75 m² | 112 m² | +37 m² +49% | 2023 |
|---|
| 22, Wellington Avenue235 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| 2a, Densworth Grove199 m away | 74 m² | 111 m² | +37 m² +50% | 2020 |
|---|
| 20, Coniston Gardens799 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 23, Chester Road745 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 66, St Peters Road750 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 106, Exeter Road238 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 27, Chiswick Road747 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 215, Montagu Road519 m away | 85 m² | 120 m² | +35 m² +41% | 2024 |
|---|
| 189, Bounces Road597 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 16, Oxford Road598 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 70, Picketts Lock Lane975 m away | 71 m² | 106 m² | +35 m² +49% | 2017 |
|---|
| 178, Bounces Road540 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
|---|
| 49, Gordon Road543 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 128, Montagu Road726 m away | 94 m² | 128 m² | +34 m² +36% | 2022 |
|---|
| 51, Chester Road745 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 12, Oxford Road598 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 53, Westminster Road757 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 7, Nash Road465 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 70, Lowden Road986 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 31, Westminster Road757 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 45, Cornwallis Road501 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 97, Grosvenor Road919 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road965 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 1, Kingsmead Avenue788 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
|---|
| 47, Oxford Road578 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 70, Croyland Road912 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
|---|
| 292, Nightingale Road848 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 214, Hertford Road925 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
|---|
| 3a, Keats Parade, Church Street894 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
|---|
| 19, Rays Avenue788 m away | 85 m² | 115 m² | +30 m² +35% | 2023 |
|---|
| 131, St Marys Road972 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 185c, Town Road137 m away | 52 m² | 82 m² | +30 m² +58% | 2019 |
|---|
| 13, Ranworth Road267 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| 19, Elstree Gardens769 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 282, Nightingale Road848 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
|---|
| 11, Sawyer Close880 m away | 42 m² | 71 m² | +29 m² +69% | 2023 |
|---|
| 8, Grosvenor Road916 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
|---|
| 133, St Marys Road972 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
|---|
| 38, Dover Road387 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
|---|
| 5b, Balham Road851 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
|---|
| 13, Oxford Road578 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
|---|
| 10, Sawyer Close880 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
|---|
| 42, Balham Road907 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
|---|
| 23, Grosvenor Road919 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
|---|
| 35, Marsden Road495 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
|---|
| 26, Gordon Road523 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
|---|
| 101, Exeter Road238 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
|---|
| 57, Lowden Road965 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
|---|
| 266a, St Marys Road952 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
|---|
| 7, Dover Road387 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
|---|
| 38, Montagu Gardens751 m away | 86 m² | 112 m² | +26 m² +30% | 2021 |
|---|
| 11, Kingsmead Avenue788 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
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| 59, Lowden Road965 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 37, Harton Road375 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
|---|
| 8, Bury Street948 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
|---|
| 57, Bath Road524 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
|---|
| 36, Montagu Gardens751 m away | 74 m² | 99 m² | +25 m² +34% | 2024 |
|---|
| 12, Shrubbery Road951 m away | 84 m² | 109 m² | +25 m² +30% | 2024 |
|---|
| 37, Cornwallis Road501 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
|---|
| Flat 2, 10, Gareth Drive982 m away | 42 m² | 67 m² | +25 m² +60% | 2022 |
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| 99, Town Road339 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
|---|
| 44, Chaffinch Close981 m away | 44 m² | 69 m² | +25 m² +57% | 2012 |
|---|
| 13, Cornwallis Grove443 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
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| 156, Montagu Road572 m away | 27 m² | 52 m² | +25 m² +93% | 2008 |
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| 58, Cornwallis Grove466 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
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| 16, Lion Road930 m away | 75 m² | 99 m² | +24 m² +32% | 2025 |
|---|
| 22, Nelson Road315 m away | 56 m² | 80 m² | +24 m² +43% | 2024 |
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| 39, Felixstowe Road773 m away | 100 m² | 124 m² | +24 m² +24% | 2020 |
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| 41, Brettenham Road903 m away | 74 m² | 98 m² | +24 m² +32% | 2015 |
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| 7, Elstree Gardens769 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 32, Wellington Avenue235 m away | 85 m² | 109 m² | +24 m² +28% | 2012 |
|---|
| 1, Martin Close851 m away | 20 m² | 44 m² | +24 m² +120% | 2012 |
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| 3, Montagu Gardens716 m away | 114 m² | 137 m² | +23 m² +20% | 2024 |
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| 72, Westminster Road769 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
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| 2a, Keats Parade894 m away | 19 m² | 42 m² | +23 m² +121% | 2012 |
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| 40, Church Street937 m away | 137 m² | 159 m² | +22 m² +16% | 2026 |
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| 54, Oxford Road598 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
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| 29, Brook Crescent765 m away | 83 m² | 105 m² | +22 m² +27% | 2022 |
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| 39, Devonshire Road781 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
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| 29, Dover Road387 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
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| 28, Nelson Road315 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
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| 13, Cornwallis Avenue391 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
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| 20, Cornwallis Grove466 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
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| 300, Nightingale Road848 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
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| 17, Croyland Road965 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
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| 20, Oxford Close626 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
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| 34, Croyland Road812 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
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| 86, Chester Road758 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
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| 65, Brettenham Road903 m away | 78 m² | 98 m² | +20 m² +26% | 2026 |
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| 73, Jeremys Green568 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
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| 296, Nightingale Road848 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
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| Flat 1, 12, Eastbournia Avenue126 m away | 39 m² | 59 m² | +20 m² +51% | 2019 |
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| 22, Coniston Gardens799 m away | 115 m² | 135 m² | +20 m² +17% | 2019 |
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| 22, Barrowfield Close98 m away | 70 m² | 90 m² | +20 m² +29% | 2018 |
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| 2, Wellington Avenue235 m away | 73 m² | 93 m² | +20 m² +27% | 2015 |
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| 19, Nash Road465 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 63, Lowden Road965 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
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| 23, Bath Road524 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 209a, Montagu Road519 m away | 42 m² | 61 m² | +19 m² +45% | 2023 |
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| 29, Seymour Road328 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
|---|
| 220, Bounces Road540 m away | 78 m² | 97 m² | +19 m² +24% | 2021 |
|---|
| 16, Bunting Close899 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
|---|
| 43, Cornwallis Grove443 m away | 73 m² | 92 m² | +19 m² +26% | 2020 |
|---|
| 72, Bounces Road595 m away | 64 m² | 83 m² | +19 m² +30% | 2020 |
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| 100, Croyland Road912 m away | 75 m² | 94 m² | +19 m² +25% | 2020 |
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| 75, St Peters Road742 m away | 66 m² | 85 m² | +19 m² +29% | 2018 |
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| 27, Westoe Road417 m away | 89 m² | 108 m² | +19 m² +21% | 2013 |
|---|
| 314, Nightingale Road848 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
|---|
| 101a, Felixstowe Road773 m away | 48 m² | 66 m² | +18 m² +38% | 2024 |
|---|
| 121, Barrowfield Close204 m away | 87 m² | 105 m² | +18 m² +21% | 2023 |
|---|
| Flat 84, Chiltern House, Beaconsfield Road797 m away | 70 m² | 88 m² | +18 m² +26% | 2023 |
|---|
| 2, Exeter Road483 m away | 82 m² | 100 m² | +18 m² +22% | 2021 |
|---|
| 80, Swaythling Close656 m away | 40 m² | 58 m² | +18 m² +45% | 2019 |
|---|
| 13, Brierley Avenue840 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
|---|
| 49, Balham Road851 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
|---|
| 80, Croyland Road912 m away | 99 m² | 117 m² | +18 m² +18% | 2019 |
|---|
| 40, Devonshire Road826 m away | 64 m² | 82 m² | +18 m² +28% | 2018 |
|---|
| 7, Gordon Road543 m away | 65 m² | 83 m² | +18 m² +28% | 2015 |
|---|
| 15, Gordon Road543 m away | 78 m² | 96 m² | +18 m² +23% | 2014 |
|---|
| 49, Oxford Road578 m away | 73 m² | 91 m² | +18 m² +25% | 2014 |
|---|
| 79a, Bounces Road611 m away | 58 m² | 75 m² | +17 m² +29% | 2024 |
|---|
| 10, Brookfield Road644 m away | 80 m² | 97 m² | +17 m² +21% | 2022 |
|---|
| 71, Brettenham Road903 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
|---|
| 124, Montagu Road726 m away | 69 m² | 86 m² | +17 m² +25% | 2019 |
|---|
| 74, Montagu Crescent815 m away | 72 m² | 89 m² | +17 m² +24% | 2019 |
|---|
| 41, Bunting Close899 m away | 43 m² | 60 m² | +17 m² +40% | 2019 |
|---|
| Flat 3, Westly House, Rosemary Avenue862 m away | 26 m² | 43 m² | +17 m² +65% | 2018 |
|---|
| 18, Felixstowe Road764 m away | 70 m² | 87 m² | +17 m² +24% | 2015 |
|---|
| 66, Grosvenor Road890 m away | 73 m² | 90 m² | +17 m² +23% | 2014 |
|---|
| 18, Swaythling Close677 m away | 36 m² | 53 m² | +17 m² +47% | 2009 |
|---|
| 51, Gordon Road543 m away | 84 m² | 100 m² | +16 m² +19% | 2024 |
|---|
| 187, Bounces Road597 m away | 79 m² | 95 m² | +16 m² +20% | 2024 |
|---|
| 77, Town Road424 m away | 94 m² | 110 m² | +16 m² +17% | 2022 |
|---|
| 109, Bounces Road596 m away | 76 m² | 92 m² | +16 m² +21% | 2022 |
|---|
| 97, Woodlands Road912 m away | 98 m² | 114 m² | +16 m² +16% | 2022 |
|---|
| 94, Barbot Close943 m away | 26 m² | 42 m² | +16 m² +62% | 2022 |
|---|
| 31, Harton Road375 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
|---|
| 31, Monmouth Road596 m away | 71 m² | 87 m² | +16 m² +23% | 2021 |
|---|
| 1a, Hendon Road863 m away | 60 m² | 76 m² | +16 m² +27% | 2021 |
|---|
| 3, Rose Mews872 m away | 35 m² | 51 m² | +16 m² +46% | 2021 |
|---|
| 210, Montagu Road572 m away | 90 m² | 106 m² | +16 m² +18% | 2019 |
|---|
| 109a, Monmouth Road358 m away | 42 m² | 58 m² | +16 m² +38% | 2018 |
|---|
| 5, Westoe Road417 m away | 71 m² | 87 m² | +16 m² +23% | 2018 |
|---|
| 13, Montagu Gardens716 m away | 73 m² | 89 m² | +16 m² +22% | 2016 |
|---|
| 40, Marsden Road495 m away | 67 m² | 83 m² | +16 m² +24% | 2013 |
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