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 0DU
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 Road202 m away | 86 m² | 184 m² | +98 m² +114% | 2022 |
| 23, Wellington Avenue703 m away | 99 m² | 190 m² | +91 m² +92% | 2022 |
| 13, Brookfield Road137 m away | 60 m² | 138 m² | +78 m² +130% | 2017 |
| 10, Park Road526 m away | 97 m² | 173 m² | +76 m² +78% | 2024 |
| 67, Dunholme Road823 m away | 86 m² | 157 m² | +71 m² +83% | 2022 |
| 176, Montagu Road584 m away | 62 m² | 130 m² | +68 m² +110% | 2023 |
| 10, Lichfield Road914 m away | 100 m² | 168 m² | +68 m² +68% | 2020 |
| 35, Wakefield Street753 m away | 58 m² | 126 m² | +68 m² +117% | 2014 |
| 4, Brookfield Road202 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 |
| 70, Northern Avenue974 m away | 85 m² | 151 m² | +66 m² +78% | 2025 |
|---|
| 6, Lyndhurst Road371 m away | 58 m² | 123 m² | +65 m² +112% | 2018 |
|---|
| 13, Gordon Road987 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
|---|
| 13, Dunholme Road764 m away | 64 m² | 127 m² | +63 m² +98% | 2023 |
|---|
| 14, Brook Crescent58 m away | 151 m² | 212 m² | +61 m² +40% | 2023 |
|---|
| 24, Montagu Crescent493 m away | 73 m² | 134 m² | +61 m² +84% | 2020 |
|---|
| 40, Northern Avenue974 m away | 95 m² | 155 m² | +60 m² +63% | 2021 |
|---|
| 23, Dysons Road912 m away | 43 m² | 100 m² | +57 m² +133% | 2022 |
|---|
| 33, Balham Road882 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
|---|
| 6, Sweet Briar Grove917 m away | 96 m² | 151 m² | +55 m² +57% | 2026 |
|---|
| 26, Cavendish Road629 m away | 90 m² | 145 m² | +55 m² +61% | 2022 |
|---|
| 1, Felixstowe Road27 m away | 78 m² | 132 m² | +54 m² +69% | 2023 |
|---|
| 18, Bolton Road954 m away | 82 m² | 135 m² | +53 m² +65% | 2014 |
|---|
| 25, Seymour Road846 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
|---|
| 184, Montagu Road584 m away | 78 m² | 130 m² | +52 m² +67% | 2018 |
|---|
| 80, Monmouth Road992 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 27, Northumberland Gardens723 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
|---|
| 179, Montagu Road561 m away | 69 m² | 119 m² | +50 m² +72% | 2021 |
|---|
| 25, Rays Avenue665 m away | 85 m² | 133 m² | +48 m² +56% | 2024 |
|---|
| 220, Montagu Road596 m away | 75 m² | 123 m² | +48 m² +64% | 2015 |
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| 13, Sandal Road873 m away | 74 m² | 120 m² | +46 m² +62% | 2026 |
|---|
| 95, Raynham Avenue828 m away | 81 m² | 127 m² | +46 m² +57% | 2025 |
|---|
| 73, Chiswick Road940 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 49, Ascot Road242 m away | 67 m² | 112 m² | +45 m² +67% | 2025 |
|---|
| 7, Pymmes Gardens North643 m away | 108 m² | 153 m² | +45 m² +42% | 2024 |
|---|
| 25, Dysons Road912 m away | 36 m² | 81 m² | +45 m² +125% | 2022 |
|---|
| 18, Logan Road870 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 75, Chiswick Road940 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 145, Jeremys Green502 m away | 70 m² | 113 m² | +43 m² +61% | 2026 |
|---|
| 68, Kimberley Road994 m away | 72 m² | 115 m² | +43 m² +60% | 2014 |
|---|
| 42, Oxford Road978 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 38, Granville Avenue764 m away | 70 m² | 112 m² | +42 m² +60% | 2013 |
|---|
| Flat 12, Chiltern House, Beaconsfield Road143 m away | 42 m² | 83 m² | +41 m² +98% | 2023 |
|---|
| 18, Leopold Road913 m away | 85 m² | 126 m² | +41 m² +48% | 2023 |
|---|
| 35, Lion Road835 m away | 86 m² | 126 m² | +40 m² +47% | 2024 |
|---|
| 34, Sweet Briar Grove923 m away | 88 m² | 128 m² | +40 m² +45% | 2018 |
|---|
| 37, Jeremys Green446 m away | 36 m² | 75 m² | +39 m² +108% | 2024 |
|---|
| 19, Westoe Road813 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
|---|
| 126, Town Road741 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
|---|
| 25, Leeds Street736 m away | 77 m² | 116 m² | +39 m² +51% | 2019 |
|---|
| 26, Baxter Road223 m away | 72 m² | 110 m² | +38 m² +53% | 2020 |
|---|
| 35c, Thornaby Gardens908 m away | 38 m² | 76 m² | +38 m² +100% | 2020 |
|---|
| 427, Montagu Road986 m away | 49 m² | 87 m² | +38 m² +78% | 2010 |
|---|
| 60, Lion Road820 m away | 75 m² | 112 m² | +37 m² +49% | 2023 |
|---|
| 22, Wellington Avenue712 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| 92, Stockton Road998 m away | 75 m² | 112 m² | +37 m² +49% | 2022 |
|---|
| 2a, Densworth Grove934 m away | 74 m² | 111 m² | +37 m² +50% | 2020 |
|---|
| 28, Leeds Street763 m away | 36 m² | 73 m² | +37 m² +103% | 2019 |
|---|
| 10, Victoria Road695 m away | 68 m² | 104 m² | +36 m² +53% | 2010 |
|---|
| 27, Chiswick Road807 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 106, Exeter Road921 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 215, Montagu Road561 m away | 85 m² | 120 m² | +35 m² +41% | 2024 |
|---|
| 9, Raynham Terrace784 m away | 86 m² | 121 m² | +35 m² +41% | 2023 |
|---|
| 16, Oxford Road978 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 19, Sandal Road873 m away | 85 m² | 120 m² | +35 m² +41% | 2014 |
|---|
| 36, Raynham Road649 m away | 98 m² | 132 m² | +34 m² +35% | 2024 |
|---|
| 75, Fairfield Road481 m away | 124 m² | 158 m² | +34 m² +27% | 2023 |
|---|
| 128, Montagu Road599 m away | 94 m² | 128 m² | +34 m² +36% | 2022 |
|---|
| 49, Gordon Road987 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 82, Woolmer Road859 m away | 81 m² | 115 m² | +34 m² +42% | 2018 |
|---|
| 12, Oxford Road978 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 57, Woolmer Road841 m away | 80 m² | 113 m² | +33 m² +41% | 2021 |
|---|
| 17, Chalfont Road660 m away | 87 m² | 120 m² | +33 m² +38% | 2017 |
|---|
| 6, Buckstone Road950 m away | 82 m² | 115 m² | +33 m² +40% | 2014 |
|---|
| 4, Kimberley Road994 m away | 67 m² | 100 m² | +33 m² +49% | 2013 |
|---|
| 19, Hythe Close368 m away | 88 m² | 119 m² | +31 m² +35% | 2026 |
|---|
| 62, Woolmer Road737 m away | 85 m² | 116 m² | +31 m² +36% | 2023 |
|---|
| 20, Raynham Avenue973 m away | 82 m² | 113 m² | +31 m² +38% | 2022 |
|---|
| 47, Oxford Road981 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 25, Dunholme Road774 m away | 88 m² | 119 m² | +31 m² +35% | 2019 |
|---|
| 3a, Keats Parade, Church Street709 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
|---|
| 48, Winchester Road995 m away | 96 m² | 127 m² | +31 m² +32% | 2012 |
|---|
| 19, Rays Avenue665 m away | 85 m² | 115 m² | +30 m² +35% | 2023 |
|---|
| 18, Seaton Street815 m away | 32 m² | 62 m² | +30 m² +94% | 2019 |
|---|
| 185c, Town Road893 m away | 52 m² | 82 m² | +30 m² +58% | 2019 |
|---|
| 13, Ranworth Road901 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| 11, Sawyer Close763 m away | 42 m² | 71 m² | +29 m² +69% | 2023 |
|---|
| 3, Raynham Terrace775 m away | 63 m² | 92 m² | +29 m² +46% | 2016 |
|---|
| 55, Dysons Road820 m away | 103 m² | 132 m² | +29 m² +28% | 2013 |
|---|
| 5b, Balham Road882 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
|---|
| 7, Denton Road950 m away | 76 m² | 104 m² | +28 m² +37% | 2020 |
|---|
| 10, Sawyer Close763 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
|---|
| 42, Balham Road924 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
|---|
| 13, Oxford Road981 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
|---|
| 35, Marsden Road815 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
|---|
| 26, Gordon Road988 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
|---|
| 35, Morley Avenue410 m away | 71 m² | 98 m² | +27 m² +38% | 2024 |
|---|
| 40, Ladysmith Road919 m away | 77 m² | 104 m² | +27 m² +35% | 2022 |
|---|
| 101, Exeter Road921 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
|---|
| 51, Sweet Briar Walk920 m away | 75 m² | 102 m² | +27 m² +36% | 2020 |
|---|
| 2a, Park Avenue488 m away | 54 m² | 81 m² | +27 m² +50% | 2019 |
|---|
| 11, Lancaster Road967 m away | 77 m² | 104 m² | +27 m² +35% | 2013 |
|---|
| 98, York Road766 m away | 80 m² | 106 m² | +26 m² +33% | 2023 |
|---|
| 38, Montagu Gardens440 m away | 86 m² | 112 m² | +26 m² +30% | 2021 |
|---|
| 97, Victoria Road515 m away | 76 m² | 102 m² | +26 m² +34% | 2014 |
|---|
| 37, Harton Road832 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
|---|
| 12, Shrubbery Road328 m away | 84 m² | 109 m² | +25 m² +30% | 2024 |
|---|
| 36, Montagu Gardens440 m away | 74 m² | 99 m² | +25 m² +34% | 2024 |
|---|
| 1, Glasgow Road529 m away | 81 m² | 106 m² | +25 m² +31% | 2023 |
|---|
| 90, Stockton Road998 m away | 69 m² | 94 m² | +25 m² +36% | 2023 |
|---|
| Flat 2, 10, Gareth Drive638 m away | 42 m² | 67 m² | +25 m² +60% | 2022 |
|---|
| 99, Town Road764 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
|---|
| 156, Montagu Road584 m away | 27 m² | 52 m² | +25 m² +93% | 2008 |
|---|
| 10, Edinburgh Road487 m away | 74 m² | 98 m² | +24 m² +32% | 2025 |
|---|
| 16, Lion Road820 m away | 75 m² | 99 m² | +24 m² +32% | 2025 |
|---|
| 22, Nelson Road667 m away | 56 m² | 80 m² | +24 m² +43% | 2024 |
|---|
| 13, Seaton Street815 m away | 83 m² | 107 m² | +24 m² +29% | 2024 |
|---|
| 12, Park Road526 m away | 81 m² | 105 m² | +24 m² +30% | 2021 |
|---|
| 39, Felixstowe Road27 m away | 100 m² | 124 m² | +24 m² +24% | 2020 |
|---|
| 41, Brettenham Road151 m away | 74 m² | 98 m² | +24 m² +32% | 2015 |
|---|
| 32, Wellington Avenue712 m away | 85 m² | 109 m² | +24 m² +28% | 2012 |
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| 7, Glasgow Road529 m away | 75 m² | 98 m² | +23 m² +31% | 2025 |
|---|
| 11, Albany Road932 m away | 79 m² | 102 m² | +23 m² +29% | 2025 |
|---|
| 3, Montagu Gardens435 m away | 114 m² | 137 m² | +23 m² +20% | 2024 |
|---|
| 8, Leonard Road506 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
|---|
| 134a, Fore Street849 m away | 96 m² | 119 m² | +23 m² +24% | 2019 |
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| 2a, Keats Parade709 m away | 19 m² | 42 m² | +23 m² +121% | 2012 |
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| 41, Morley Avenue410 m away | 83 m² | 105 m² | +22 m² +27% | 2026 |
|---|
| 40, Church Street709 m away | 137 m² | 159 m² | +22 m² +16% | 2026 |
|---|
| 44, Lyndhurst Road371 m away | 70 m² | 92 m² | +22 m² +31% | 2025 |
|---|
| 54, Oxford Road978 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
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| 29, Brook Crescent58 m away | 83 m² | 105 m² | +22 m² +27% | 2022 |
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| 22, Sweet Briar Grove923 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
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| 31, York Road780 m away | 50 m² | 72 m² | +22 m² +44% | 2017 |
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| 4, Thornaby Gardens925 m away | 52 m² | 74 m² | +22 m² +42% | 2013 |
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| 28, Nelson Road667 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
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| 12, York Road916 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
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| 148, Warwick Road959 m away | 99 m² | 120 m² | +21 m² +21% | 2025 |
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| 13, Cornwallis Avenue970 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
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| 37, Chalfont Road859 m away | 84 m² | 105 m² | +21 m² +25% | 2022 |
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| 49, Wakefield Street841 m away | 73 m² | 94 m² | +21 m² +29% | 2021 |
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| 78, Leopold Road889 m away | 120 m² | 141 m² | +21 m² +18% | 2021 |
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| 20, Oxford Close964 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
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| 65, Brettenham Road151 m away | 78 m² | 98 m² | +20 m² +26% | 2026 |
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| 73, Jeremys Green446 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
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| 5, Pycroft Way463 m away | 60 m² | 80 m² | +20 m² +33% | 2023 |
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| 30, Sandal Road899 m away | 79 m² | 99 m² | +20 m² +25% | 2022 |
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| Flat 1, 12, Eastbournia Avenue689 m away | 39 m² | 59 m² | +20 m² +51% | 2019 |
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| 22, Barrowfield Close687 m away | 70 m² | 90 m² | +20 m² +29% | 2018 |
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| 2, Wellington Avenue712 m away | 73 m² | 93 m² | +20 m² +27% | 2015 |
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| 69, Church Street967 m away | 42 m² | 62 m² | +20 m² +48% | 2013 |
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| Flat 22, Dover House, Bolton Road938 m away | 57 m² | 77 m² | +20 m² +35% | 2012 |
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| 19, Seaton Street815 m away | 102 m² | 121 m² | +19 m² +19% | 2026 |
|---|
| 20, Sunnyside Road North511 m away | 72 m² | 91 m² | +19 m² +26% | 2023 |
|---|
| 209a, Montagu Road561 m away | 42 m² | 61 m² | +19 m² +45% | 2023 |
|---|
| 29, Seymour Road846 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
|---|
| 8, Raynham Avenue973 m away | 93 m² | 112 m² | +19 m² +20% | 2021 |
|---|
| 2, Clarendon Road983 m away | 80 m² | 99 m² | +19 m² +24% | 2020 |
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| 132, Joyce Avenue998 m away | 52 m² | 71 m² | +19 m² +37% | 2019 |
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| 14, Raynham Avenue973 m away | 77 m² | 96 m² | +19 m² +25% | 2014 |
|---|
| 27, Westoe Road813 m away | 89 m² | 108 m² | +19 m² +21% | 2013 |
|---|
| 28, Kings Road429 m away | 114 m² | 132 m² | +18 m² +16% | 2025 |
|---|
| 101a, Felixstowe Road27 m away | 48 m² | 66 m² | +18 m² +38% | 2024 |
|---|
| Flat 84, Chiltern House, Beaconsfield Road143 m away | 70 m² | 88 m² | +18 m² +26% | 2023 |
|---|
| 121, Barrowfield Close583 m away | 87 m² | 105 m² | +18 m² +21% | 2023 |
|---|
| 80, Swaythling Close493 m away | 40 m² | 58 m² | +18 m² +45% | 2019 |
|---|
| 45, Woolmer Road841 m away | 84 m² | 102 m² | +18 m² +21% | 2019 |
|---|
| 49, Balham Road882 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
|---|
| 6, Joyce Avenue960 m away | 53 m² | 71 m² | +18 m² +34% | 2019 |
|---|
| 26, Upton Road683 m away | 64 m² | 82 m² | +18 m² +28% | 2015 |
|---|
| 7, Gordon Road987 m away | 65 m² | 83 m² | +18 m² +28% | 2015 |
|---|
| 49, Oxford Road981 m away | 73 m² | 91 m² | +18 m² +25% | 2014 |
|---|
| 15, Gordon Road987 m away | 78 m² | 96 m² | +18 m² +23% | 2014 |
|---|
| 21, Leonard Road506 m away | 88 m² | 106 m² | +18 m² +20% | 2009 |
|---|
| 45, York Road707 m away | 68 m² | 85 m² | +17 m² +25% | 2024 |
|---|
| 155, Warwick Road985 m away | 77 m² | 94 m² | +17 m² +22% | 2024 |
|---|
| 10, Brookfield Road202 m away | 80 m² | 97 m² | +17 m² +21% | 2022 |
|---|
| 71, Brettenham Road151 m away | 80 m² | 97 m² | +17 m² +21% | 2021 |
|---|
| 21, Fairfield Road481 m away | 77 m² | 94 m² | +17 m² +22% | 2020 |
|---|
| 74, Montagu Crescent493 m away | 72 m² | 89 m² | +17 m² +24% | 2019 |
|---|
| 124, Montagu Road599 m away | 69 m² | 86 m² | +17 m² +25% | 2019 |
|---|
| 18, Lambs Close892 m away | 45 m² | 62 m² | +17 m² +38% | 2019 |
|---|
| 18, Felixstowe Road0 m away | 70 m² | 87 m² | +17 m² +24% | 2015 |
|---|
| 66, Pycroft Way433 m away | 61 m² | 78 m² | +17 m² +28% | 2014 |
|---|
| 18, Swaythling Close432 m away | 36 m² | 53 m² | +17 m² +47% | 2009 |
|---|
| 36, Moree Way544 m away | 76 m² | 92 m² | +16 m² +21% | 2026 |
|---|
| 18, Berkshire Gardens777 m away | 74 m² | 90 m² | +16 m² +22% | 2025 |
|---|
| Flat 62, Scott House, Woolmer Road632 m away | 73 m² | 89 m² | +16 m² +22% | 2024 |
|---|
| 4, Buckstone Road950 m away | 83 m² | 99 m² | +16 m² +19% | 2024 |
|---|
| 51, Gordon Road987 m away | 84 m² | 100 m² | +16 m² +19% | 2024 |
|---|
| 77, Sweet Briar Walk920 m away | 82 m² | 98 m² | +16 m² +20% | 2023 |
|---|
| 94, Barbot Close426 m away | 26 m² | 42 m² | +16 m² +62% | 2022 |
|---|
| 77, Town Road741 m away | 94 m² | 110 m² | +16 m² +17% | 2022 |
|---|
| 3, Rose Mews223 m away | 35 m² | 51 m² | +16 m² +46% | 2021 |
|---|
| 69, Pycroft Way442 m away | 53 m² | 69 m² | +16 m² +30% | 2021 |
|---|
| 38a, Sterling Way732 m away | 89 m² | 105 m² | +16 m² +18% | 2021 |
|---|
| 31, Harton Road832 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
|---|
| 31, Monmouth Road884 m away | 71 m² | 87 m² | +16 m² +23% | 2021 |
|---|
| 1a, Hendon Road954 m away | 60 m² | 76 m² | +16 m² +27% | 2021 |
|---|
| 210, Montagu Road584 m away | 90 m² | 106 m² | +16 m² +18% | 2019 |
|---|
| 5, Westoe Road813 m away | 71 m² | 87 m² | +16 m² +23% | 2018 |
|---|