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 0DL
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 Road70 m away | 86 m² | 184 m² | +98 m² +114% | 2022 |
| 23, Wellington Avenue575 m away | 99 m² | 190 m² | +91 m² +92% | 2022 |
| 13, Brookfield Road0 m away | 60 m² | 138 m² | +78 m² +130% | 2017 |
| 10, Park Road620 m away | 97 m² | 173 m² | +76 m² +78% | 2024 |
| 67, Dunholme Road797 m away | 86 m² | 157 m² | +71 m² +83% | 2022 |
| 176, Montagu Road592 m away | 62 m² | 130 m² | +68 m² +110% | 2023 |
| 10, Lichfield Road824 m away | 100 m² | 168 m² | +68 m² +68% | 2020 |
| 35, Wakefield Street890 m away | 58 m² | 126 m² | +68 m² +117% | 2014 |
| 4, Brookfield Road70 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.
| 96 m² |
| 163 m² |
| +67 m² +70% |
| 2016 |
| 24, Cornwallis Grove917 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
|---|
| 70, Northern Avenue937 m away | 85 m² | 151 m² | +66 m² +78% | 2025 |
|---|
| 6, Lyndhurst Road504 m away | 58 m² | 123 m² | +65 m² +112% | 2018 |
|---|
| 13, Gordon Road851 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
|---|
| 13, Dunholme Road790 m away | 64 m² | 127 m² | +63 m² +98% | 2023 |
|---|
| 14, Brook Crescent178 m away | 151 m² | 212 m² | +61 m² +40% | 2023 |
|---|
| 24, Montagu Crescent567 m away | 73 m² | 134 m² | +61 m² +84% | 2020 |
|---|
| 40, Northern Avenue937 m away | 95 m² | 155 m² | +60 m² +63% | 2021 |
|---|
| 38, Exeter Road889 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
|---|
| 33, Balham Road758 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
|---|
| 6, Sweet Briar Grove946 m away | 96 m² | 151 m² | +55 m² +57% | 2026 |
|---|
| 26, Cavendish Road736 m away | 90 m² | 145 m² | +55 m² +61% | 2022 |
|---|
| 1, Felixstowe Road130 m away | 78 m² | 132 m² | +54 m² +69% | 2023 |
|---|
| 25, Seymour Road716 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
|---|
| 184, Montagu Road592 m away | 78 m² | 130 m² | +52 m² +67% | 2018 |
|---|
| 80, Monmouth Road875 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 27, Northumberland Gardens682 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
|---|
| 179, Montagu Road556 m away | 69 m² | 119 m² | +50 m² +72% | 2021 |
|---|
| 25, Rays Avenue713 m away | 85 m² | 133 m² | +48 m² +56% | 2024 |
|---|
| 220, Montagu Road576 m away | 75 m² | 123 m² | +48 m² +64% | 2015 |
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| 95, Raynham Avenue964 m away | 81 m² | 127 m² | +46 m² +57% | 2025 |
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| 73, Chiswick Road809 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 49, Ascot Road378 m away | 67 m² | 112 m² | +45 m² +67% | 2025 |
|---|
| 7, Pymmes Gardens North643 m away | 108 m² | 153 m² | +45 m² +42% | 2024 |
|---|
| 18, Logan Road741 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 75, Chiswick Road809 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 145, Jeremys Green468 m away | 70 m² | 113 m² | +43 m² +61% | 2026 |
|---|
| 42, Oxford Road842 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 38, Granville Avenue663 m away | 70 m² | 112 m² | +42 m² +60% | 2013 |
|---|
| Flat 12, Chiltern House, Beaconsfield Road139 m away | 42 m² | 83 m² | +41 m² +98% | 2023 |
|---|
| 35, Lion Road727 m away | 86 m² | 126 m² | +40 m² +47% | 2024 |
|---|
| 34, Sweet Briar Grove935 m away | 88 m² | 128 m² | +40 m² +45% | 2018 |
|---|
| 37, Jeremys Green458 m away | 36 m² | 75 m² | +39 m² +108% | 2024 |
|---|
| 40, Dover Road971 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 19, Westoe Road678 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
|---|
| 126, Town Road610 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
|---|
| 25, Leeds Street872 m away | 77 m² | 116 m² | +39 m² +51% | 2019 |
|---|
| 40, Exeter Road889 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 26, Baxter Road341 m away | 72 m² | 110 m² | +38 m² +53% | 2020 |
|---|
| 427, Montagu Road879 m away | 49 m² | 87 m² | +38 m² +78% | 2010 |
|---|
| 60, Lion Road710 m away | 75 m² | 112 m² | +37 m² +49% | 2023 |
|---|
| 22, Wellington Avenue586 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| 2a, Densworth Grove821 m away | 74 m² | 111 m² | +37 m² +50% | 2020 |
|---|
| 28, Leeds Street899 m away | 36 m² | 73 m² | +37 m² +103% | 2019 |
|---|
| 24, Wyldfield Gardens993 m away | 87 m² | 123 m² | +36 m² +41% | 2014 |
|---|
| 10, Victoria Road807 m away | 68 m² | 104 m² | +36 m² +53% | 2010 |
|---|
| 27, Chiswick Road679 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 106, Exeter Road801 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 215, Montagu Road556 m away | 85 m² | 120 m² | +35 m² +41% | 2024 |
|---|
| 9, Raynham Terrace920 m away | 86 m² | 121 m² | +35 m² +41% | 2023 |
|---|
| 16, Oxford Road842 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
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| 36, Raynham Road786 m away | 98 m² | 132 m² | +34 m² +35% | 2024 |
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| 75, Fairfield Road618 m away | 124 m² | 158 m² | +34 m² +27% | 2023 |
|---|
| 128, Montagu Road640 m away | 94 m² | 128 m² | +34 m² +36% | 2022 |
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| 49, Gordon Road851 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
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| 82, Woolmer Road993 m away | 81 m² | 115 m² | +34 m² +42% | 2018 |
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| 12, Oxford Road842 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 57, Woolmer Road975 m away | 80 m² | 113 m² | +33 m² +41% | 2021 |
|---|
| 17, Chalfont Road652 m away | 87 m² | 120 m² | +33 m² +38% | 2017 |
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| 45, Cornwallis Road867 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 25, Croyland Road936 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 19, Hythe Close505 m away | 88 m² | 119 m² | +31 m² +35% | 2026 |
|---|
| 62, Woolmer Road871 m away | 85 m² | 116 m² | +31 m² +36% | 2023 |
|---|
| 47, Oxford Road844 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 25, Dunholme Road780 m away | 88 m² | 119 m² | +31 m² +35% | 2019 |
|---|
| 70, Croyland Road902 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
|---|
| 3a, Keats Parade, Church Street604 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
|---|
| 48, Winchester Road893 m away | 96 m² | 127 m² | +31 m² +32% | 2012 |
|---|
| 19, Rays Avenue713 m away | 85 m² | 115 m² | +30 m² +35% | 2023 |
|---|
| 185c, Town Road786 m away | 52 m² | 82 m² | +30 m² +58% | 2019 |
|---|
| 18, Seaton Street951 m away | 32 m² | 62 m² | +30 m² +94% | 2019 |
|---|
| 13, Ranworth Road776 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| 11, Sawyer Close651 m away | 42 m² | 71 m² | +29 m² +69% | 2023 |
|---|
| 3, Raynham Terrace910 m away | 63 m² | 92 m² | +29 m² +46% | 2016 |
|---|
| 55, Dysons Road932 m away | 103 m² | 132 m² | +29 m² +28% | 2013 |
|---|
| 38, Dover Road971 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
|---|
| 5b, Balham Road758 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
|---|
| 10, Sawyer Close651 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
|---|
| 42, Balham Road803 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
|---|
| 13, Oxford Road844 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
|---|
| 35, Marsden Road678 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
|---|
| 26, Gordon Road853 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
|---|
| 35, Morley Avenue545 m away | 71 m² | 98 m² | +27 m² +38% | 2024 |
|---|
| 101, Exeter Road801 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
|---|
| 51, Sweet Briar Walk975 m away | 75 m² | 102 m² | +27 m² +36% | 2020 |
|---|
| 2a, Park Avenue593 m away | 54 m² | 81 m² | +27 m² +50% | 2019 |
|---|
| 98, York Road891 m away | 80 m² | 106 m² | +26 m² +33% | 2023 |
|---|
| 7, Dover Road971 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
|---|
| 38, Montagu Gardens504 m away | 86 m² | 112 m² | +26 m² +30% | 2021 |
|---|
| 97, Victoria Road568 m away | 76 m² | 102 m² | +26 m² +34% | 2014 |
|---|
| 37, Harton Road699 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
|---|
| 57, Bath Road967 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
|---|
| 12, Shrubbery Road325 m away | 84 m² | 109 m² | +25 m² +30% | 2024 |
|---|
| 36, Montagu Gardens504 m away | 74 m² | 99 m² | +25 m² +34% | 2024 |
|---|
| 1, Glasgow Road658 m away | 81 m² | 106 m² | +25 m² +31% | 2023 |
|---|
| Flat 2, 10, Gareth Drive560 m away | 42 m² | 67 m² | +25 m² +60% | 2022 |
|---|
| 37, Cornwallis Road867 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
|---|
| 99, Town Road632 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
|---|
| 156, Montagu Road592 m away | 27 m² | 52 m² | +25 m² +93% | 2008 |
|---|
| 13, Cornwallis Grove896 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
|---|
| 10, Edinburgh Road619 m away | 74 m² | 98 m² | +24 m² +32% | 2025 |
|---|
| 16, Lion Road710 m away | 75 m² | 99 m² | +24 m² +32% | 2025 |
|---|
| 58, Cornwallis Grove917 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
|---|
| 22, Nelson Road536 m away | 56 m² | 80 m² | +24 m² +43% | 2024 |
|---|
| 13, Seaton Street951 m away | 83 m² | 107 m² | +24 m² +29% | 2024 |
|---|
| 12, Park Road620 m away | 81 m² | 105 m² | +24 m² +30% | 2021 |
|---|
| 39, Felixstowe Road130 m away | 100 m² | 124 m² | +24 m² +24% | 2020 |
|---|
| 41, Brettenham Road286 m away | 74 m² | 98 m² | +24 m² +32% | 2015 |
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| 32, Wellington Avenue586 m away | 85 m² | 109 m² | +24 m² +28% | 2012 |
|---|
| 7, Glasgow Road658 m away | 75 m² | 98 m² | +23 m² +31% | 2025 |
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| 3, Montagu Gardens490 m away | 114 m² | 137 m² | +23 m² +20% | 2024 |
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| 8, Leonard Road507 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
|---|
| 134a, Fore Street984 m away | 96 m² | 119 m² | +23 m² +24% | 2019 |
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| 2a, Keats Parade604 m away | 19 m² | 42 m² | +23 m² +121% | 2012 |
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| 41, Morley Avenue545 m away | 83 m² | 105 m² | +22 m² +27% | 2026 |
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| 40, Church Street611 m away | 137 m² | 159 m² | +22 m² +16% | 2026 |
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| 44, Lyndhurst Road504 m away | 70 m² | 92 m² | +22 m² +31% | 2025 |
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| 54, Oxford Road842 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
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| 29, Brook Crescent178 m away | 83 m² | 105 m² | +22 m² +27% | 2022 |
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| 22, Sweet Briar Grove935 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
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| 31, York Road903 m away | 50 m² | 72 m² | +22 m² +44% | 2017 |
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| 29, Dover Road971 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
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| 28, Nelson Road536 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
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| 13, Cornwallis Avenue840 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
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| 20, Cornwallis Grove917 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
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| 18, Wyldfield Gardens993 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
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| 37, Chalfont Road863 m away | 84 m² | 105 m² | +21 m² +25% | 2022 |
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| 17, Croyland Road936 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
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| 49, Wakefield Street978 m away | 73 m² | 94 m² | +21 m² +29% | 2021 |
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| 78, Leopold Road989 m away | 120 m² | 141 m² | +21 m² +18% | 2021 |
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| 20, Oxford Close827 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
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| 34, Croyland Road903 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
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| 65, Brettenham Road286 m away | 78 m² | 98 m² | +20 m² +26% | 2026 |
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| 73, Jeremys Green458 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
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| 5, Pycroft Way512 m away | 60 m² | 80 m² | +20 m² +33% | 2023 |
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| Flat 1, 12, Eastbournia Avenue576 m away | 39 m² | 59 m² | +20 m² +51% | 2019 |
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| 22, Barrowfield Close595 m away | 70 m² | 90 m² | +20 m² +29% | 2018 |
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| 2, Wellington Avenue586 m away | 73 m² | 93 m² | +20 m² +27% | 2015 |
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| 69, Church Street888 m away | 42 m² | 62 m² | +20 m² +48% | 2013 |
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| 19, Seaton Street951 m away | 102 m² | 121 m² | +19 m² +19% | 2026 |
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| 23, Bath Road967 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 20, Sunnyside Road North495 m away | 72 m² | 91 m² | +19 m² +26% | 2023 |
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| 209a, Montagu Road556 m away | 42 m² | 61 m² | +19 m² +45% | 2023 |
|---|
| 29, Seymour Road716 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
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| 43, Cornwallis Grove896 m away | 73 m² | 92 m² | +19 m² +26% | 2020 |
|---|
| 100, Croyland Road902 m away | 75 m² | 94 m² | +19 m² +25% | 2020 |
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| 72, Bounces Road949 m away | 64 m² | 83 m² | +19 m² +30% | 2020 |
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| 27, Westoe Road678 m away | 89 m² | 108 m² | +19 m² +21% | 2013 |
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| 28, Kings Road563 m away | 114 m² | 132 m² | +18 m² +16% | 2025 |
|---|
| 29, Wyldfield Gardens993 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
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| 101a, Felixstowe Road130 m away | 48 m² | 66 m² | +18 m² +38% | 2024 |
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| Flat 84, Chiltern House, Beaconsfield Road139 m away | 70 m² | 88 m² | +18 m² +26% | 2023 |
|---|
| 121, Barrowfield Close470 m away | 87 m² | 105 m² | +18 m² +21% | 2023 |
|---|
| 2, Exeter Road985 m away | 82 m² | 100 m² | +18 m² +22% | 2021 |
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| 80, Swaythling Close527 m away | 40 m² | 58 m² | +18 m² +45% | 2019 |
|---|
| 49, Balham Road758 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
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| 80, Croyland Road902 m away | 99 m² | 117 m² | +18 m² +18% | 2019 |
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| 45, Woolmer Road975 m away | 84 m² | 102 m² | +18 m² +21% | 2019 |
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| 26, Upton Road813 m away | 64 m² | 82 m² | +18 m² +28% | 2015 |
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| 7, Gordon Road851 m away | 65 m² | 83 m² | +18 m² +28% | 2015 |
|---|
| 49, Oxford Road844 m away | 73 m² | 91 m² | +18 m² +25% | 2014 |
|---|
| 15, Gordon Road851 m away | 78 m² | 96 m² | +18 m² +23% | 2014 |
|---|
| 21, Leonard Road507 m away | 88 m² | 106 m² | +18 m² +20% | 2009 |
|---|
| 45, York Road828 m away | 68 m² | 85 m² | +17 m² +25% | 2024 |
|---|
| 79a, Bounces Road999 m away | 58 m² | 75 m² | +17 m² +29% | 2024 |
|---|
| 10, Brookfield Road70 m away | 80 m² | 97 m² | +17 m² +21% | 2022 |
|---|
| 71, Brettenham Road286 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
|---|
| 21, Fairfield Road618 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
|---|
| 74, Montagu Crescent567 m away | 72 m² | 89 m² | +17 m² +24% | 2019 |
|---|
| 124, Montagu Road640 m away | 69 m² | 86 m² | +17 m² +25% | 2019 |
|---|
| 18, Lambs Close794 m away | 45 m² | 62 m² | +17 m² +38% | 2019 |
|---|
| 18, Felixstowe Road137 m away | 70 m² | 87 m² | +17 m² +24% | 2015 |
|---|
| 66, Pycroft Way485 m away | 61 m² | 78 m² | +17 m² +28% | 2014 |
|---|
| 18, Swaythling Close476 m away | 36 m² | 53 m² | +17 m² +47% | 2009 |
|---|
| 36, Moree Way661 m away | 76 m² | 92 m² | +16 m² +21% | 2026 |
|---|
| 18, Berkshire Gardens896 m away | 74 m² | 90 m² | +16 m² +22% | 2025 |
|---|
| Flat 62, Scott House, Woolmer Road767 m away | 73 m² | 89 m² | +16 m² +22% | 2024 |
|---|
| 51, Gordon Road851 m away | 84 m² | 100 m² | +16 m² +19% | 2024 |
|---|
| 77, Sweet Briar Walk975 m away | 82 m² | 98 m² | +16 m² +20% | 2023 |
|---|
| 94, Barbot Close382 m away | 26 m² | 42 m² | +16 m² +62% | 2022 |
|---|
| 77, Town Road606 m away | 94 m² | 110 m² | +16 m² +17% | 2022 |
|---|
| 3, Rose Mews348 m away | 35 m² | 51 m² | +16 m² +46% | 2021 |
|---|
| 69, Pycroft Way475 m away | 53 m² | 69 m² | +16 m² +30% | 2021 |
|---|
| 31, Harton Road699 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
|---|
| 31, Monmouth Road747 m away | 71 m² | 87 m² | +16 m² +23% | 2021 |
|---|
| 1a, Hendon Road827 m away | 60 m² | 76 m² | +16 m² +27% | 2021 |
|---|
| 38a, Sterling Way858 m away | 89 m² | 105 m² | +16 m² +18% | 2021 |
|---|
| 210, Montagu Road592 m away | 90 m² | 106 m² | +16 m² +18% | 2019 |
|---|
| 5, Westoe Road678 m away | 71 m² | 87 m² | +16 m² +23% | 2018 |
|---|
| 109a, Monmouth Road808 m away | 42 m² | 58 m² | +16 m² +38% | 2018 |
|---|
| 13, Montagu Gardens490 m away | 73 m² | 89 m² | +16 m² +22% | 2016 |
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