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 N17 0JL
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 |
|---|---|---|---|---|
| 26, Tilson Road441 m away | 78 m² | 159 m² | +81 m² +104% | 2025 |
| 127, Willoughby Lane593 m away | 74 m² | 150 m² | +76 m² +103% | 2020 |
| 32, Rosebery Avenue632 m away | 98 m² | 163 m² | +65 m² +66% | 2021 |
| 134, Church Road884 m away | 91 m² | 156 m² | +65 m² +71% | 2016 |
| 58, Scotland Green688 m away | 55 m² | 120 m² | +65 m² +118% | 2014 |
| 88, Thackeray Avenue781 m away | 85 m² | 148 m² | +63 m² +74% | 2026 |
| 1, Tilson Road441 m away | 118 m² | 180 m² | +62 m² +53% | 2023 |
| 150, Shelbourne Road507 m away | 96 m² | 157 m² | +61 m² +64% | 2020 |
| 62, Park Lane221 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.
| 89 m² |
| 149 m² |
| +60 m² +67% |
| 2025 |
| 15, Asplins Road121 m away | 107 m² | 167 m² | +60 m² +56% | 2012 |
|---|
| 17, St Pauls Road253 m away | 155 m² | 214 m² | +59 m² +38% | 2022 |
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| 111, Seymour Avenue698 m away | 76 m² | 135 m² | +59 m² +78% | 2014 |
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| 98, Dowsett Road851 m away | 88 m² | 146 m² | +58 m² +66% | 2009 |
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| 11, St Pauls Road253 m away | 180 m² | 234 m² | +54 m² +30% | 2022 |
|---|
| 74, Dowsett Road980 m away | 77 m² | 131 m² | +54 m² +70% | 2019 |
|---|
| 5, Lansdowne Road591 m away | 86 m² | 139 m² | +53 m² +62% | 2024 |
|---|
| 41, Seymour Avenue751 m away | 63 m² | 115 m² | +52 m² +83% | 2023 |
|---|
| 35, Middleham Road825 m away | 63 m² | 115 m² | +52 m² +83% | 2014 |
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| 5, Kings Road738 m away | 69 m² | 119 m² | +50 m² +72% | 2023 |
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| 56, Parkhurst Road741 m away | 78 m² | 128 m² | +50 m² +64% | 2014 |
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| 106, Sherringham Avenue669 m away | 50 m² | 99 m² | +49 m² +98% | 2015 |
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| 7, Albion Road905 m away | 87 m² | 135 m² | +48 m² +55% | 2022 |
|---|
| 19, Chalgrove Road182 m away | 42 m² | 90 m² | +48 m² +114% | 2013 |
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| 23, Scotswood Walk334 m away | 40 m² | 88 m² | +48 m² +120% | 2013 |
|---|
| 210, Park Lane211 m away | 79 m² | 126 m² | +47 m² +59% | 2024 |
|---|
| 73, Dowsett Road853 m away | 82 m² | 129 m² | +47 m² +57% | 2017 |
|---|
| 23, Vicarage Road364 m away | 104 m² | 150 m² | +46 m² +44% | 2026 |
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| 43, Carew Road915 m away | 79 m² | 125 m² | +46 m² +58% | 2026 |
|---|
| 11a, Denmark Street0 m away | 45 m² | 91 m² | +46 m² +102% | 2021 |
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| 57, Asplins Road121 m away | 53 m² | 99 m² | +46 m² +87% | 2008 |
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| 20, Leyburn Road902 m away | 132 m² | 177 m² | +45 m² +34% | 2025 |
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| 20, Bennetts Close749 m away | 45 m² | 90 m² | +45 m² +100% | 2023 |
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| 87, Thackeray Avenue756 m away | 83 m² | 128 m² | +45 m² +54% | 2023 |
|---|
| 132, Rosebery Avenue622 m away | 107 m² | 151 m² | +44 m² +41% | 2026 |
|---|
| 21, Penshurst Road912 m away | 70 m² | 114 m² | +44 m² +63% | 2021 |
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| 64, Vicarage Road380 m away | 64 m² | 107 m² | +43 m² +67% | 2019 |
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| 68, Newlyn Road926 m away | 72 m² | 115 m² | +43 m² +60% | 2015 |
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| 27, Bromley Road476 m away | 64 m² | 107 m² | +43 m² +67% | 2010 |
|---|
| 144, Rosebery Avenue622 m away | 45 m² | 87 m² | +42 m² +93% | 2020 |
|---|
| 62, Hanbury Road684 m away | 83 m² | 124 m² | +41 m² +49% | 2023 |
|---|
| 20, Rolvenden Place67 m away | 47 m² | 88 m² | +41 m² +87% | 2021 |
|---|
| 25, Dowsett Road961 m away | 51 m² | 92 m² | +41 m² +80% | 2018 |
|---|
| 129, Northumberland Park438 m away | 100 m² | 141 m² | +41 m² +41% | 2012 |
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| 5, Havelock Road773 m away | 95 m² | 135 m² | +40 m² +42% | 2020 |
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| 13, Worcester Avenue540 m away | 76 m² | 116 m² | +40 m² +53% | 2016 |
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| 107, Pembury Road764 m away | 48 m² | 88 m² | +40 m² +83% | 2016 |
|---|
| 22, Baronet Road320 m away | 108 m² | 148 m² | +40 m² +37% | 2012 |
|---|
| 69, Seymour Avenue698 m away | 94 m² | 133 m² | +39 m² +41% | 2026 |
|---|
| 145, Lansdowne Road268 m away | 42 m² | 81 m² | +39 m² +93% | 2025 |
|---|
| 49, Sherringham Avenue696 m away | 71 m² | 110 m² | +39 m² +55% | 2025 |
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| 140, Seymour Avenue723 m away | 95 m² | 134 m² | +39 m² +41% | 2025 |
|---|
| 66, Asplins Road121 m away | 43 m² | 82 m² | +39 m² +91% | 2011 |
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| 10, Baronet Road320 m away | 57 m² | 96 m² | +39 m² +68% | 2008 |
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| 91, Park View Road812 m away | 75 m² | 113 m² | +38 m² +51% | 2025 |
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| 119, Lansdowne Road268 m away | 84 m² | 122 m² | +38 m² +45% | 2014 |
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| 107, Kimberley Road990 m away | 28 m² | 66 m² | +38 m² +136% | 2014 |
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| Flat 4, 59, St Pauls Road160 m away | 27 m² | 64 m² | +37 m² +137% | 2023 |
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| 92, Stockton Road949 m away | 75 m² | 112 m² | +37 m² +49% | 2022 |
|---|
| 45a, Chalgrove Road159 m away | 38 m² | 75 m² | +37 m² +97% | 2021 |
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| 8, Thackeray Avenue829 m away | 84 m² | 121 m² | +37 m² +44% | 2017 |
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| 15, Stirling Road525 m away | 89 m² | 126 m² | +37 m² +42% | 2016 |
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| 5, Baronet Road320 m away | 57 m² | 94 m² | +37 m² +65% | 2008 |
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| 14, Willoughby Lane370 m away | 104 m² | 140 m² | +36 m² +35% | 2025 |
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| 37, Lordship Lane913 m away | 45 m² | 81 m² | +36 m² +80% | 2016 |
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| 40, Carew Road915 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
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| 25, Rosebery Avenue632 m away | 72 m² | 107 m² | +35 m² +49% | 2024 |
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| 71, Park View Road883 m away | 94 m² | 129 m² | +35 m² +37% | 2022 |
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| 89, Birkbeck Road846 m away | 102 m² | 137 m² | +35 m² +34% | 2020 |
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| 49, Wycombe Road438 m away | 77 m² | 112 m² | +35 m² +45% | 2014 |
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| 25, Chalgrove Road182 m away | 74 m² | 109 m² | +35 m² +47% | 2012 |
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| 14, Foyle Road214 m away | 95 m² | 129 m² | +34 m² +36% | 2026 |
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| 92, Middleham Road815 m away | 118 m² | 152 m² | +34 m² +29% | 2024 |
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| 27, Vicarage Road364 m away | 49 m² | 83 m² | +34 m² +69% | 2022 |
|---|
| 130, Manor Road181 m away | 60 m² | 94 m² | +34 m² +57% | 2019 |
|---|
| 115, Willoughby Lane593 m away | 98 m² | 132 m² | +34 m² +35% | 2017 |
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| 57, Manor Road75 m away | 78 m² | 112 m² | +34 m² +44% | 2014 |
|---|
| 8, Foyle Road214 m away | 84 m² | 118 m² | +34 m² +40% | 2014 |
|---|
| Flat 93, Millicent Fawcett Court, Pembury Road816 m away | 61 m² | 95 m² | +34 m² +56% | 2009 |
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| Flat 35, Charles Bradlaugh House, Haynes Close325 m away | 42 m² | 75 m² | +33 m² +79% | 2022 |
|---|
| 7, Birkbeck Road846 m away | 94 m² | 127 m² | +33 m² +35% | 2012 |
|---|
| 143, Dowsett Road814 m away | 92 m² | 124 m² | +32 m² +35% | 2025 |
|---|
| 12, Reform Row903 m away | 60 m² | 92 m² | +32 m² +53% | 2024 |
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| 16, Elsden Road999 m away | 53 m² | 85 m² | +32 m² +60% | 2022 |
|---|
| 93, Rosebery Avenue586 m away | 76 m² | 108 m² | +32 m² +42% | 2015 |
|---|
| 23, Elsden Road999 m away | 46 m² | 77 m² | +31 m² +67% | 2026 |
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| 55, Rosebery Avenue586 m away | 68 m² | 99 m² | +31 m² +46% | 2025 |
|---|
| 27, Shelbourne Road310 m away | 92 m² | 123 m² | +31 m² +34% | 2024 |
|---|
| 36, Leyburn Road902 m away | 68 m² | 99 m² | +31 m² +46% | 2023 |
|---|
| 3, Malham Terrace936 m away | 86 m² | 117 m² | +31 m² +36% | 2021 |
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| 14, Trulock Road340 m away | 63 m² | 94 m² | +31 m² +49% | 2020 |
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| 88, Kimberley Road942 m away | 84 m² | 115 m² | +31 m² +37% | 2014 |
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| 60, Coniston Road697 m away | 75 m² | 105 m² | +30 m² +40% | 2025 |
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| 7, Cedar Road680 m away | 174 m² | 204 m² | +30 m² +17% | 2023 |
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| 11, Chalgrove Road230 m away | 98 m² | 128 m² | +30 m² +31% | 2018 |
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| 40, Dysons Road938 m away | 82 m² | 112 m² | +30 m² +37% | 2014 |
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| 38, Newlyn Road926 m away | 45 m² | 74 m² | +29 m² +64% | 2026 |
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| 40, Seymour Avenue774 m away | 75 m² | 104 m² | +29 m² +39% | 2024 |
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| 54, Pembury Road764 m away | 63 m² | 92 m² | +29 m² +46% | 2022 |
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| 56, Brantwood Road731 m away | 82 m² | 111 m² | +29 m² +35% | 2020 |
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| Flat 5, 15, Lansdowne Road591 m away | 70 m² | 99 m² | +29 m² +41% | 2019 |
|---|
| 117, Kimberley Road990 m away | 38 m² | 67 m² | +29 m² +76% | 2013 |
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| 10, Stockton Road972 m away | 86 m² | 115 m² | +29 m² +34% | 2012 |
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| 27, Chalgrove Road182 m away | 70 m² | 98 m² | +28 m² +40% | 2024 |
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| 14, Poynton Road515 m away | 72 m² | 100 m² | +28 m² +39% | 2023 |
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| 15, Bromley Road476 m away | 89 m² | 117 m² | +28 m² +31% | 2016 |
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| 19, Manor Road75 m away | 92 m² | 120 m² | +28 m² +30% | 2013 |
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| 70b, Park Lane221 m away | 25 m² | 53 m² | +28 m² +112% | 2011 |
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| 139, Thackeray Avenue780 m away | 72 m² | 100 m² | +28 m² +39% | 2011 |
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| 5, Carew Road915 m away | 75 m² | 102 m² | +27 m² +36% | 2026 |
|---|
| Flat 25, Boundary Court, Snells Park979 m away | 31 m² | 58 m² | +27 m² +87% | 2022 |
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| 10 Tom Dove Place, Hampden Lane640 m away | 46 m² | 73 m² | +27 m² +59% | 2021 |
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| 45, Sutherland Road216 m away | 28 m² | 55 m² | +27 m² +96% | 2016 |
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| 152, Thackeray Avenue780 m away | 93 m² | 120 m² | +27 m² +29% | 2015 |
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| 23, Lordship Lane830 m away | 101 m² | 128 m² | +27 m² +27% | 2014 |
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| 155, Waverley Road213 m away | 48 m² | 75 m² | +27 m² +56% | 2012 |
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| 87, Willoughby Lane593 m away | 31 m² | 57 m² | +26 m² +84% | 2026 |
|---|
| 38, Coniston Road697 m away | 73 m² | 99 m² | +26 m² +36% | 2026 |
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| 10, Denmark Street0 m away | 82 m² | 108 m² | +26 m² +32% | 2025 |
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| 205, Lansdowne Road277 m away | 98 m² | 124 m² | +26 m² +27% | 2025 |
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| 47, Newlyn Road926 m away | 102 m² | 128 m² | +26 m² +25% | 2024 |
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| 129, Sherringham Avenue635 m away | 106 m² | 132 m² | +26 m² +25% | 2023 |
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| 20, Tilson Road441 m away | 73 m² | 99 m² | +26 m² +36% | 2021 |
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| 29, Elsden Road999 m away | 52 m² | 78 m² | +26 m² +50% | 2021 |
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| 41, Kimberley Road990 m away | 76 m² | 102 m² | +26 m² +34% | 2019 |
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| 27, Commonwealth Road335 m away | 96 m² | 122 m² | +26 m² +27% | 2018 |
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| 34, Foyle Road214 m away | 90 m² | 116 m² | +26 m² +29% | 2013 |
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| 3a, Lansdowne Road591 m away | 70 m² | 95 m² | +25 m² +36% | 2023 |
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| 90, Stockton Road949 m away | 69 m² | 94 m² | +25 m² +36% | 2023 |
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| 150, Lansdowne Road313 m away | 69 m² | 94 m² | +25 m² +36% | 2021 |
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| 70, Newlyn Road926 m away | 31 m² | 56 m² | +25 m² +81% | 2020 |
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| 31, Argyle Road451 m away | 109 m² | 134 m² | +25 m² +23% | 2015 |
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| 24, Spencer Road475 m away | 72 m² | 96 m² | +24 m² +33% | 2026 |
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| Flat 4, 865, High Road868 m away | 48 m² | 72 m² | +24 m² +50% | 2024 |
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| 37, Mafeking Road976 m away | 95 m² | 119 m² | +24 m² +25% | 2023 |
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| 80, Shelbourne Road371 m away | 104 m² | 128 m² | +24 m² +23% | 2021 |
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| 33, Willoughby Park Road470 m away | 24 m² | 48 m² | +24 m² +100% | 2021 |
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| 12, Rosebery Avenue632 m away | 73 m² | 97 m² | +24 m² +33% | 2019 |
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| 79, Seymour Avenue698 m away | 62 m² | 86 m² | +24 m² +39% | 2019 |
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| 109a, Pembury Road764 m away | 57 m² | 81 m² | +24 m² +42% | 2012 |
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| 3, Havelock Road773 m away | 75 m² | 99 m² | +24 m² +32% | 2012 |
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| 48, Thackeray Avenue829 m away | 96 m² | 119 m² | +23 m² +24% | 2022 |
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| 56, Bruce Castle Road877 m away | 96 m² | 119 m² | +23 m² +24% | 2022 |
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| 30, Rosebery Avenue632 m away | 96 m² | 119 m² | +23 m² +24% | 2021 |
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| 61, Wycombe Road438 m away | 38 m² | 61 m² | +23 m² +61% | 2017 |
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| 29, Seymour Avenue751 m away | 72 m² | 95 m² | +23 m² +32% | 2017 |
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| Flat 12, Woodrow Court, Heybourne Road469 m away | 29 m² | 52 m² | +23 m² +79% | 2015 |
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| Flat 13, Woodrow Court, Heybourne Road469 m away | 29 m² | 52 m² | +23 m² +79% | 2015 |
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| 64, Hanbury Road684 m away | 43 m² | 66 m² | +23 m² +53% | 2014 |
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| 49, Blaydon Close344 m away | 84 m² | 107 m² | +23 m² +27% | 2013 |
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| 98, Manor Road181 m away | 88 m² | 111 m² | +23 m² +26% | 2010 |
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| 31, Kimberley Road957 m away | 63 m² | 85 m² | +22 m² +35% | 2026 |
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| 122, Dowsett Road851 m away | 90 m² | 112 m² | +22 m² +24% | 2022 |
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| 116, Shelbourne Road371 m away | 55 m² | 77 m² | +22 m² +40% | 2020 |
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| 73, Manor Road75 m away | 106 m² | 128 m² | +22 m² +21% | 2017 |
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| 24, Sutherland Road216 m away | 80 m² | 102 m² | +22 m² +28% | 2014 |
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| 64, Bruce Castle Road877 m away | 71 m² | 93 m² | +22 m² +31% | 2013 |
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| 86, Rosebery Avenue612 m away | 87 m² | 108 m² | +21 m² +24% | 2026 |
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| 96, Kimberley Road942 m away | 68 m² | 89 m² | +21 m² +31% | 2026 |
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| 7, Trulock Road340 m away | 87 m² | 108 m² | +21 m² +24% | 2025 |
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| 40, Coniston Road697 m away | 94 m² | 115 m² | +21 m² +22% | 2022 |
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| 29, Grange Road619 m away | 71 m² | 92 m² | +21 m² +30% | 2021 |
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| 130, Church Road884 m away | 97 m² | 118 m² | +21 m² +22% | 2021 |
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| 4, Hanbury Road684 m away | 77 m² | 98 m² | +21 m² +27% | 2020 |
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| 37, Birkbeck Road846 m away | 82 m² | 103 m² | +21 m² +26% | 2019 |
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| 253, Waverley Road224 m away | 48 m² | 69 m² | +21 m² +44% | 2013 |
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| 2, Kings Road738 m away | 111 m² | 131 m² | +20 m² +18% | 2023 |
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| 16, Asplins Road121 m away | 96 m² | 116 m² | +20 m² +21% | 2020 |
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| 56, Rosebery Avenue612 m away | 40 m² | 60 m² | +20 m² +50% | 2018 |
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| 116, Seymour Avenue726 m away | 80 m² | 99 m² | +19 m² +24% | 2026 |
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| 81, Kimberley Road990 m away | 62 m² | 81 m² | +19 m² +31% | 2026 |
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| 65, Bruce Castle Road906 m away | 93 m² | 112 m² | +19 m² +20% | 2023 |
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| 29, Vicarage Road364 m away | 47 m² | 66 m² | +19 m² +40% | 2021 |
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| 101a, Pembury Road764 m away | 85 m² | 104 m² | +19 m² +22% | 2021 |
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| 27, Hampden Lane555 m away | 47 m² | 66 m² | +19 m² +40% | 2016 |
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| 76, Park Lane221 m away | 44 m² | 63 m² | +19 m² +43% | 2015 |
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| 34, Brantwood Road731 m away | 83 m² | 102 m² | +19 m² +23% | 2012 |
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| 61, Brantwood Road775 m away | 121 m² | 140 m² | +19 m² +16% | 2012 |
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| 169, Lansdowne Road277 m away | 61 m² | 80 m² | +19 m² +31% | 2011 |
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| 16, Sutherland Road216 m away | 41 m² | 59 m² | +18 m² +44% | 2026 |
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| 202a, Northumberland Park355 m away | 49 m² | 67 m² | +18 m² +37% | 2025 |
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| 27, Kimberley Road957 m away | 67 m² | 85 m² | +18 m² +27% | 2025 |
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| 15, Reform Row903 m away | 62 m² | 80 m² | +18 m² +29% | 2024 |
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| 164a, Northumberland Park388 m away | 40 m² | 58 m² | +18 m² +45% | 2023 |
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| 87, Dowsett Road853 m away | 66 m² | 84 m² | +18 m² +27% | 2022 |
|---|
| 2, Tilson Road441 m away | 47 m² | 65 m² | +18 m² +38% | 2021 |
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| 42, Middleham Road853 m away | 70 m² | 88 m² | +18 m² +26% | 2021 |
|---|
| 21, Middleham Road825 m away | 81 m² | 99 m² | +18 m² +22% | 2018 |
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| 67, Seymour Avenue698 m away | 43 m² | 61 m² | +18 m² +42% | 2017 |
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| 34, Tenterden Road887 m away | 59 m² | 77 m² | +18 m² +31% | 2016 |
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| 125, Thackeray Avenue756 m away | 89 m² | 107 m² | +18 m² +20% | 2014 |
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| 30, Asplins Road121 m away | 96 m² | 114 m² | +18 m² +19% | 2013 |
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| 88, Seymour Avenue726 m away | 78 m² | 96 m² | +18 m² +23% | 2013 |
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| 2, Worcester Avenue540 m away | 95 m² | 112 m² | +17 m² +18% | 2023 |
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| 2, Leyburn Road902 m away | 72 m² | 89 m² | +17 m² +24% | 2023 |
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| 24, Willoughby Lane370 m away | 85 m² | 102 m² | +17 m² +20% | 2022 |
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| 74, Bruce Castle Road877 m away | 79 m² | 96 m² | +17 m² +22% | 2022 |
|---|
| 76, Leyburn Road881 m away | 84 m² | 101 m² | +17 m² +20% | 2022 |
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| 147, Seymour Avenue693 m away | 91 m² | 108 m² | +17 m² +19% | 2021 |
|---|
| 78, Dowsett Road980 m away | 36 m² | 53 m² | +17 m² +47% | 2019 |
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| 3, Heybourne Road496 m away | 64 m² | 81 m² | +17 m² +27% | 2017 |
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