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 0JJ
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 Road397 m away | 78 m² | 159 m² | +81 m² +104% | 2025 |
| 127, Willoughby Lane633 m away | 74 m² | 150 m² | +76 m² +103% | 2020 |
| 32, Rosebery Avenue592 m away | 98 m² | 163 m² | +65 m² +66% | 2021 |
| 134, Church Road886 m away | 91 m² | 156 m² | +65 m² +71% | 2016 |
| 58, Scotland Green650 m away | 55 m² | 120 m² | +65 m² +118% | 2014 |
| 88, Thackeray Avenue737 m away | 85 m² | 148 m² | +63 m² +74% | 2026 |
| 1, Tilson Road397 m away | 118 m² | 180 m² | +62 m² +53% | 2023 |
| 150, Shelbourne Road465 m away | 96 m² | 157 m² | +61 m² +64% | 2020 |
| 62, Park Lane232 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 Road76 m away | 107 m² | 167 m² | +60 m² +56% | 2012 |
|---|
| 17, St Pauls Road216 m away | 155 m² | 214 m² | +59 m² +38% | 2022 |
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| 111, Seymour Avenue654 m away | 76 m² | 135 m² | +59 m² +78% | 2014 |
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| 98, Dowsett Road808 m away | 88 m² | 146 m² | +58 m² +66% | 2009 |
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| 11, St Pauls Road216 m away | 180 m² | 234 m² | +54 m² +30% | 2022 |
|---|
| 74, Dowsett Road942 m away | 77 m² | 131 m² | +54 m² +70% | 2019 |
|---|
| 5, Lansdowne Road565 m away | 86 m² | 139 m² | +53 m² +62% | 2024 |
|---|
| 41, Seymour Avenue710 m away | 63 m² | 115 m² | +52 m² +83% | 2023 |
|---|
| 35, Middleham Road869 m away | 63 m² | 115 m² | +52 m² +83% | 2014 |
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| 5, Kings Road732 m away | 69 m² | 119 m² | +50 m² +72% | 2023 |
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| 56, Parkhurst Road705 m away | 78 m² | 128 m² | +50 m² +64% | 2014 |
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| 106, Sherringham Avenue625 m away | 50 m² | 99 m² | +49 m² +98% | 2015 |
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| 7, Albion Road867 m away | 87 m² | 135 m² | +48 m² +55% | 2022 |
|---|
| 19, Chalgrove Road144 m away | 42 m² | 90 m² | +48 m² +114% | 2013 |
|---|
| 23, Scotswood Walk379 m away | 40 m² | 88 m² | +48 m² +120% | 2013 |
|---|
| 210, Park Lane223 m away | 79 m² | 126 m² | +47 m² +59% | 2024 |
|---|
| 73, Dowsett Road811 m away | 82 m² | 129 m² | +47 m² +57% | 2017 |
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| 23, Vicarage Road343 m away | 104 m² | 150 m² | +46 m² +44% | 2026 |
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| 43, Carew Road872 m away | 79 m² | 125 m² | +46 m² +58% | 2026 |
|---|
| 11a, Denmark Street45 m away | 45 m² | 91 m² | +46 m² +102% | 2021 |
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| 57, Asplins Road76 m away | 53 m² | 99 m² | +46 m² +87% | 2008 |
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| 20, Leyburn Road947 m away | 132 m² | 177 m² | +45 m² +34% | 2025 |
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| 87, Thackeray Avenue712 m away | 83 m² | 128 m² | +45 m² +54% | 2023 |
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| 20, Bennetts Close781 m away | 45 m² | 90 m² | +45 m² +100% | 2023 |
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| 132, Rosebery Avenue578 m away | 107 m² | 151 m² | +44 m² +41% | 2026 |
|---|
| 21, Penshurst Road926 m away | 70 m² | 114 m² | +44 m² +63% | 2021 |
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| 64, Vicarage Road363 m away | 64 m² | 107 m² | +43 m² +67% | 2019 |
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| 68, Newlyn Road902 m away | 72 m² | 115 m² | +43 m² +60% | 2015 |
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| 27, Bromley Road474 m away | 64 m² | 107 m² | +43 m² +67% | 2010 |
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| 144, Rosebery Avenue578 m away | 45 m² | 87 m² | +42 m² +93% | 2020 |
|---|
| 62, Hanbury Road639 m away | 83 m² | 124 m² | +41 m² +49% | 2023 |
|---|
| 20, Rolvenden Place80 m away | 47 m² | 88 m² | +41 m² +87% | 2021 |
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| 25, Dowsett Road924 m away | 51 m² | 92 m² | +41 m² +80% | 2018 |
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| 129, Northumberland Park482 m away | 100 m² | 141 m² | +41 m² +41% | 2012 |
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| 42, Buller Road994 m away | 71 m² | 111 m² | +40 m² +56% | 2023 |
|---|
| 5, Havelock Road728 m away | 95 m² | 135 m² | +40 m² +42% | 2020 |
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| 13, Worcester Avenue573 m away | 76 m² | 116 m² | +40 m² +53% | 2016 |
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| 107, Pembury Road749 m away | 48 m² | 88 m² | +40 m² +83% | 2016 |
|---|
| 22, Baronet Road292 m away | 108 m² | 148 m² | +40 m² +37% | 2012 |
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| 69, Seymour Avenue654 m away | 94 m² | 133 m² | +39 m² +41% | 2026 |
|---|
| 145, Lansdowne Road223 m away | 42 m² | 81 m² | +39 m² +93% | 2025 |
|---|
| 49, Sherringham Avenue656 m away | 71 m² | 110 m² | +39 m² +55% | 2025 |
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| 140, Seymour Avenue678 m away | 95 m² | 134 m² | +39 m² +41% | 2025 |
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| 30, Buller Road994 m away | 107 m² | 146 m² | +39 m² +36% | 2016 |
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| 66, Asplins Road76 m away | 43 m² | 82 m² | +39 m² +91% | 2011 |
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| 10, Baronet Road292 m away | 57 m² | 96 m² | +39 m² +68% | 2008 |
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| 91, Park View Road767 m away | 75 m² | 113 m² | +38 m² +51% | 2025 |
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| 119, Lansdowne Road223 m away | 84 m² | 122 m² | +38 m² +45% | 2014 |
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| Flat 4, 59, St Pauls Road149 m away | 27 m² | 64 m² | +37 m² +137% | 2023 |
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| 92, Stockton Road993 m away | 75 m² | 112 m² | +37 m² +49% | 2022 |
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| 45a, Chalgrove Road133 m away | 38 m² | 75 m² | +37 m² +97% | 2021 |
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| 8, Thackeray Avenue787 m away | 84 m² | 121 m² | +37 m² +44% | 2017 |
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| 15, Stirling Road488 m away | 89 m² | 126 m² | +37 m² +42% | 2016 |
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| 23, Buller Road994 m away | 55 m² | 92 m² | +37 m² +67% | 2016 |
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| 5, Baronet Road292 m away | 57 m² | 94 m² | +37 m² +65% | 2008 |
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| 14, Willoughby Lane393 m away | 104 m² | 140 m² | +36 m² +35% | 2025 |
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| 37, Lordship Lane895 m away | 45 m² | 81 m² | +36 m² +80% | 2016 |
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| 40, Carew Road872 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
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| 25, Rosebery Avenue592 m away | 72 m² | 107 m² | +35 m² +49% | 2024 |
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| 71, Park View Road839 m away | 94 m² | 129 m² | +35 m² +37% | 2022 |
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| 89, Birkbeck Road835 m away | 102 m² | 137 m² | +35 m² +34% | 2020 |
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| 49, Wycombe Road393 m away | 77 m² | 112 m² | +35 m² +45% | 2014 |
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| 25, Chalgrove Road144 m away | 74 m² | 109 m² | +35 m² +47% | 2012 |
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| 14, Foyle Road169 m away | 95 m² | 129 m² | +34 m² +36% | 2026 |
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| 92, Middleham Road860 m away | 118 m² | 152 m² | +34 m² +29% | 2024 |
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| 27, Vicarage Road343 m away | 49 m² | 83 m² | +34 m² +69% | 2022 |
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| 130, Manor Road175 m away | 60 m² | 94 m² | +34 m² +57% | 2019 |
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| 115, Willoughby Lane633 m away | 98 m² | 132 m² | +34 m² +35% | 2017 |
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| 57, Manor Road31 m away | 78 m² | 112 m² | +34 m² +44% | 2014 |
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| 8, Foyle Road169 m away | 84 m² | 118 m² | +34 m² +40% | 2014 |
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| Flat 93, Millicent Fawcett Court, Pembury Road791 m away | 61 m² | 95 m² | +34 m² +56% | 2009 |
|---|
| Flat 35, Charles Bradlaugh House, Haynes Close356 m away | 42 m² | 75 m² | +33 m² +79% | 2022 |
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| 16, Buller Road994 m away | 76 m² | 109 m² | +33 m² +43% | 2022 |
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| 7, Birkbeck Road835 m away | 94 m² | 127 m² | +33 m² +35% | 2012 |
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| 143, Dowsett Road770 m away | 92 m² | 124 m² | +32 m² +35% | 2025 |
|---|
| 12, Reform Row867 m away | 60 m² | 92 m² | +32 m² +53% | 2024 |
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| 16, Elsden Road977 m away | 53 m² | 85 m² | +32 m² +60% | 2022 |
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| 93, Rosebery Avenue542 m away | 76 m² | 108 m² | +32 m² +42% | 2015 |
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| 23, Elsden Road977 m away | 46 m² | 77 m² | +31 m² +67% | 2026 |
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| 55, Rosebery Avenue542 m away | 68 m² | 99 m² | +31 m² +46% | 2025 |
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| 27, Shelbourne Road311 m away | 92 m² | 123 m² | +31 m² +34% | 2024 |
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| 36, Leyburn Road947 m away | 68 m² | 99 m² | +31 m² +46% | 2023 |
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| 3, Malham Terrace979 m away | 86 m² | 117 m² | +31 m² +36% | 2021 |
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| 14, Trulock Road376 m away | 63 m² | 94 m² | +31 m² +49% | 2020 |
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| 88, Kimberley Road984 m away | 84 m² | 115 m² | +31 m² +37% | 2014 |
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| 60, Coniston Road735 m away | 75 m² | 105 m² | +30 m² +40% | 2025 |
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| 7, Cedar Road666 m away | 174 m² | 204 m² | +30 m² +17% | 2023 |
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| 11, Chalgrove Road193 m away | 98 m² | 128 m² | +30 m² +31% | 2018 |
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| 40, Dysons Road981 m away | 82 m² | 112 m² | +30 m² +37% | 2014 |
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| 38, Newlyn Road902 m away | 45 m² | 74 m² | +29 m² +64% | 2026 |
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| 40, Seymour Avenue733 m away | 75 m² | 104 m² | +29 m² +39% | 2024 |
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| 54, Pembury Road749 m away | 63 m² | 92 m² | +29 m² +46% | 2022 |
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| 56, Brantwood Road770 m away | 82 m² | 111 m² | +29 m² +35% | 2020 |
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| Flat 5, 15, Lansdowne Road565 m away | 70 m² | 99 m² | +29 m² +41% | 2019 |
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| 27, Chalgrove Road144 m away | 70 m² | 98 m² | +28 m² +40% | 2024 |
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| 14, Poynton Road471 m away | 72 m² | 100 m² | +28 m² +39% | 2023 |
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| 15, Bromley Road474 m away | 89 m² | 117 m² | +28 m² +31% | 2016 |
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| 19, Manor Road31 m away | 92 m² | 120 m² | +28 m² +30% | 2013 |
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| 70b, Park Lane232 m away | 25 m² | 53 m² | +28 m² +112% | 2011 |
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| 139, Thackeray Avenue735 m away | 72 m² | 100 m² | +28 m² +39% | 2011 |
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| 5, Carew Road872 m away | 75 m² | 102 m² | +27 m² +36% | 2026 |
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| 10 Tom Dove Place, Hampden Lane620 m away | 46 m² | 73 m² | +27 m² +59% | 2021 |
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| 45, Sutherland Road209 m away | 28 m² | 55 m² | +27 m² +96% | 2016 |
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| 152, Thackeray Avenue735 m away | 93 m² | 120 m² | +27 m² +29% | 2015 |
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| 23, Lordship Lane809 m away | 101 m² | 128 m² | +27 m² +27% | 2014 |
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| 155, Waverley Road258 m away | 48 m² | 75 m² | +27 m² +56% | 2012 |
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| 87, Willoughby Lane633 m away | 31 m² | 57 m² | +26 m² +84% | 2026 |
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| 38, Coniston Road735 m away | 73 m² | 99 m² | +26 m² +36% | 2026 |
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| 10, Denmark Street45 m away | 82 m² | 108 m² | +26 m² +32% | 2025 |
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| 205, Lansdowne Road242 m away | 98 m² | 124 m² | +26 m² +27% | 2025 |
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| 47, Newlyn Road902 m away | 102 m² | 128 m² | +26 m² +25% | 2024 |
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| 129, Sherringham Avenue590 m away | 106 m² | 132 m² | +26 m² +25% | 2023 |
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| 20, Tilson Road397 m away | 73 m² | 99 m² | +26 m² +36% | 2021 |
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| 29, Elsden Road977 m away | 52 m² | 78 m² | +26 m² +50% | 2021 |
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| 27, Commonwealth Road374 m away | 96 m² | 122 m² | +26 m² +27% | 2018 |
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| 34, Foyle Road169 m away | 90 m² | 116 m² | +26 m² +29% | 2013 |
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| 3a, Lansdowne Road565 m away | 70 m² | 95 m² | +25 m² +36% | 2023 |
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| 90, Stockton Road993 m away | 69 m² | 94 m² | +25 m² +36% | 2023 |
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| 150, Lansdowne Road269 m away | 69 m² | 94 m² | +25 m² +36% | 2021 |
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| 70, Newlyn Road902 m away | 31 m² | 56 m² | +25 m² +81% | 2020 |
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| 31, Argyle Road443 m away | 109 m² | 134 m² | +25 m² +23% | 2015 |
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| 24, Spencer Road433 m away | 72 m² | 96 m² | +24 m² +33% | 2026 |
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| Flat 4, 865, High Road898 m away | 48 m² | 72 m² | +24 m² +50% | 2024 |
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| 37, Mafeking Road932 m away | 95 m² | 119 m² | +24 m² +25% | 2023 |
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| 80, Shelbourne Road334 m away | 104 m² | 128 m² | +24 m² +23% | 2021 |
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| 33, Willoughby Park Road508 m away | 24 m² | 48 m² | +24 m² +100% | 2021 |
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| 12, Rosebery Avenue592 m away | 73 m² | 97 m² | +24 m² +33% | 2019 |
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| 79, Seymour Avenue654 m away | 62 m² | 86 m² | +24 m² +39% | 2019 |
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| 3, Havelock Road728 m away | 75 m² | 99 m² | +24 m² +32% | 2012 |
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| 109a, Pembury Road749 m away | 57 m² | 81 m² | +24 m² +42% | 2012 |
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| 48, Thackeray Avenue787 m away | 96 m² | 119 m² | +23 m² +24% | 2022 |
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| 56, Bruce Castle Road866 m away | 96 m² | 119 m² | +23 m² +24% | 2022 |
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| 30, Rosebery Avenue592 m away | 96 m² | 119 m² | +23 m² +24% | 2021 |
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| 61, Wycombe Road393 m away | 38 m² | 61 m² | +23 m² +61% | 2017 |
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| 29, Seymour Avenue710 m away | 72 m² | 95 m² | +23 m² +32% | 2017 |
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| Flat 12, Woodrow Court, Heybourne Road496 m away | 29 m² | 52 m² | +23 m² +79% | 2015 |
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| Flat 13, Woodrow Court, Heybourne Road496 m away | 29 m² | 52 m² | +23 m² +79% | 2015 |
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| 64, Hanbury Road639 m away | 43 m² | 66 m² | +23 m² +53% | 2014 |
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| 49, Blaydon Close387 m away | 84 m² | 107 m² | +23 m² +27% | 2013 |
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| 98, Manor Road175 m away | 88 m² | 111 m² | +23 m² +26% | 2010 |
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| 31, Kimberley Road916 m away | 63 m² | 85 m² | +22 m² +35% | 2026 |
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| 122, Dowsett Road808 m away | 90 m² | 112 m² | +22 m² +24% | 2022 |
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| 116, Shelbourne Road334 m away | 55 m² | 77 m² | +22 m² +40% | 2020 |
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| 73, Manor Road31 m away | 106 m² | 128 m² | +22 m² +21% | 2017 |
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| 24, Sutherland Road209 m away | 80 m² | 102 m² | +22 m² +28% | 2014 |
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| 64, Bruce Castle Road866 m away | 71 m² | 93 m² | +22 m² +31% | 2013 |
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| 86, Rosebery Avenue568 m away | 87 m² | 108 m² | +21 m² +24% | 2026 |
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| 96, Kimberley Road984 m away | 68 m² | 89 m² | +21 m² +31% | 2026 |
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| 7, Trulock Road376 m away | 87 m² | 108 m² | +21 m² +24% | 2025 |
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| 40, Coniston Road735 m away | 94 m² | 115 m² | +21 m² +22% | 2022 |
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| 29, Grange Road660 m away | 71 m² | 92 m² | +21 m² +30% | 2021 |
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| 130, Church Road886 m away | 97 m² | 118 m² | +21 m² +22% | 2021 |
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| 4, Hanbury Road639 m away | 77 m² | 98 m² | +21 m² +27% | 2020 |
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| 37, Birkbeck Road835 m away | 82 m² | 103 m² | +21 m² +26% | 2019 |
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| 253, Waverley Road268 m away | 48 m² | 69 m² | +21 m² +44% | 2013 |
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| 2, Kings Road732 m away | 111 m² | 131 m² | +20 m² +18% | 2023 |
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| 16, Asplins Road76 m away | 96 m² | 116 m² | +20 m² +21% | 2020 |
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| 56, Rosebery Avenue568 m away | 40 m² | 60 m² | +20 m² +50% | 2018 |
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| 116, Seymour Avenue682 m away | 80 m² | 99 m² | +19 m² +24% | 2026 |
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| 65, Bruce Castle Road894 m away | 93 m² | 112 m² | +19 m² +20% | 2023 |
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| 29, Vicarage Road343 m away | 47 m² | 66 m² | +19 m² +40% | 2021 |
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| 101a, Pembury Road749 m away | 85 m² | 104 m² | +19 m² +22% | 2021 |
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| 27, Hampden Lane532 m away | 47 m² | 66 m² | +19 m² +40% | 2016 |
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| 76, Park Lane232 m away | 44 m² | 63 m² | +19 m² +43% | 2015 |
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| 34, Brantwood Road770 m away | 83 m² | 102 m² | +19 m² +23% | 2012 |
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| 61, Brantwood Road813 m away | 121 m² | 140 m² | +19 m² +16% | 2012 |
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| 169, Lansdowne Road242 m away | 61 m² | 80 m² | +19 m² +31% | 2011 |
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| 16, Sutherland Road209 m away | 41 m² | 59 m² | +18 m² +44% | 2026 |
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| 202a, Northumberland Park400 m away | 49 m² | 67 m² | +18 m² +37% | 2025 |
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| 27, Kimberley Road916 m away | 67 m² | 85 m² | +18 m² +27% | 2025 |
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| 15, Reform Row867 m away | 62 m² | 80 m² | +18 m² +29% | 2024 |
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| 164a, Northumberland Park432 m away | 40 m² | 58 m² | +18 m² +45% | 2023 |
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| 87, Dowsett Road811 m away | 66 m² | 84 m² | +18 m² +27% | 2022 |
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| 2, Tilson Road397 m away | 47 m² | 65 m² | +18 m² +38% | 2021 |
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| 42, Middleham Road897 m away | 70 m² | 88 m² | +18 m² +26% | 2021 |
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| 21, Middleham Road869 m away | 81 m² | 99 m² | +18 m² +22% | 2018 |
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| 67, Seymour Avenue654 m away | 43 m² | 61 m² | +18 m² +42% | 2017 |
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| 34, Tenterden Road892 m away | 59 m² | 77 m² | +18 m² +31% | 2016 |
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| 125, Thackeray Avenue712 m away | 89 m² | 107 m² | +18 m² +20% | 2014 |
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| 30, Asplins Road76 m away | 96 m² | 114 m² | +18 m² +19% | 2013 |
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| 88, Seymour Avenue682 m away | 78 m² | 96 m² | +18 m² +23% | 2013 |
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| 2, Worcester Avenue573 m away | 95 m² | 112 m² | +17 m² +18% | 2023 |
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| 2, Leyburn Road947 m away | 72 m² | 89 m² | +17 m² +24% | 2023 |
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| 24, Willoughby Lane393 m away | 85 m² | 102 m² | +17 m² +20% | 2022 |
|---|
| 74, Bruce Castle Road866 m away | 79 m² | 96 m² | +17 m² +22% | 2022 |
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| 76, Leyburn Road926 m away | 84 m² | 101 m² | +17 m² +20% | 2022 |
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| 147, Seymour Avenue648 m away | 91 m² | 108 m² | +17 m² +19% | 2021 |
|---|
| 78, Dowsett Road942 m away | 36 m² | 53 m² | +17 m² +47% | 2019 |
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| 3, Heybourne Road525 m away | 64 m² | 81 m² | +17 m² +27% | 2017 |
|---|
| 4, Ruskin Road700 m away | 66 m² | 83 m² | +17 m² +26% | 2014 |
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| Flat 1, Stellar House, 900, High Road945 m away | 49 m² | 66 m² | +17 m² +35% | 2012 |
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