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 6NF
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 |
|---|---|---|---|---|
| 114, Boundary Road960 m away | 119 m² | 238 m² | +119 m² +100% | 2014 |
| 126, Boundary Road960 m away | 103 m² | 206 m² | +103 m² +100% | 2014 |
| 25, Chesnut Road751 m away | 90 m² | 180 m² | +90 m² +100% | 2014 |
| 226, Boundary Road964 m away | 91 m² | 178 m² | +87 m² +96% | 2015 |
| 65, Walpole Road874 m away | 176 m² | 262 m² | +86 m² +49% | 2024 |
| 6, Balliol Road720 m away | 59 m² | 144 m² | +85 m² +144% | 2014 |
| 2, Marshall Road945 m away | 68 m² | 149 m² | +81 m² +119% | 2023 |
| 71, Handsworth Road395 m away | 103 m² | 182 m² | +79 m² +77% | 2025 |
| 14, Felixstowe Road582 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.
| 83 m² |
| 159 m² |
| +76 m² +92% |
| 2018 |
| 210, West Green Road824 m away | 102 m² | 173 m² | +71 m² +70% | 2026 |
|---|
| 26, Handsworth Road399 m away | 59 m² | 129 m² | +70 m² +119% | 2025 |
|---|
| 158, Walpole Road827 m away | 85 m² | 153 m² | +68 m² +80% | 2021 |
|---|
| 18, Drayton Road280 m away | 125 m² | 192 m² | +67 m² +54% | 2026 |
|---|
| 41, Rusper Road944 m away | 78 m² | 145 m² | +67 m² +86% | 2026 |
|---|
| 17, Winchelsea Road441 m away | 113 m² | 180 m² | +67 m² +59% | 2023 |
|---|
| 4, Alton Road488 m away | 87 m² | 154 m² | +67 m² +77% | 2017 |
|---|
| 211, Downhills Way889 m away | 90 m² | 155 m² | +65 m² +72% | 2025 |
|---|
| 122, Clonmell Road287 m away | 80 m² | 145 m² | +65 m² +81% | 2021 |
|---|
| 76, Downhills Way744 m away | 80 m² | 145 m² | +65 m² +81% | 2020 |
|---|
| 23, Downhills Park Road555 m away | 50 m² | 114 m² | +64 m² +128% | 2023 |
|---|
| 169, Downhills Way889 m away | 92 m² | 156 m² | +64 m² +70% | 2023 |
|---|
| 37, Rusper Road944 m away | 103 m² | 167 m² | +64 m² +62% | 2019 |
|---|
| 3, Caradon Way912 m away | 61 m² | 125 m² | +64 m² +105% | 2013 |
|---|
| 101, Belmont Road947 m away | 111 m² | 174 m² | +63 m² +57% | 2023 |
|---|
| 58a, Clonmell Road287 m away | 100 m² | 163 m² | +63 m² +63% | 2018 |
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| 29, Dunloe Avenue367 m away | 60 m² | 123 m² | +63 m² +105% | 2015 |
|---|
| 29, Ranelagh Road321 m away | 102 m² | 164 m² | +62 m² +61% | 2023 |
|---|
| 25, Keston Road695 m away | 108 m² | 168 m² | +60 m² +56% | 2026 |
|---|
| 281, Mount Pleasant Road460 m away | 64 m² | 124 m² | +60 m² +94% | 2014 |
|---|
| 89, Kirkton Road922 m away | 110 m² | 170 m² | +60 m² +55% | 2014 |
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| 7, Drayton Road280 m away | 58 m² | 117 m² | +59 m² +102% | 2018 |
|---|
| 14, Dongola Road217 m away | 62 m² | 119 m² | +57 m² +92% | 2018 |
|---|
| 99, Greyhound Road406 m away | 46 m² | 103 m² | +57 m² +124% | 2009 |
|---|
| 48, Downhills Avenue420 m away | 85 m² | 141 m² | +56 m² +66% | 2025 |
|---|
| 22, Loxwood Road342 m away | 126 m² | 181 m² | +55 m² +44% | 2025 |
|---|
| 84, Walpole Road715 m away | 81 m² | 136 m² | +55 m² +68% | 2025 |
|---|
| 51, West Green Road945 m away | 42 m² | 97 m² | +55 m² +131% | 2024 |
|---|
| 16, Lordsmead Road492 m away | 71 m² | 126 m² | +55 m² +77% | 2010 |
|---|
| 26, Lordsmead Road492 m away | 110 m² | 164 m² | +54 m² +49% | 2023 |
|---|
| 6, Higham Road0 m away | 115 m² | 169 m² | +54 m² +47% | 2020 |
|---|
| 74, Dowsett Road888 m away | 77 m² | 131 m² | +54 m² +70% | 2019 |
|---|
| 9, Flexmere Road991 m away | 73 m² | 127 m² | +54 m² +74% | 2018 |
|---|
| Flat 2, 11, Bruce Grove652 m away | 54 m² | 108 m² | +54 m² +100% | 2009 |
|---|
| 214, West Green Road824 m away | 83 m² | 136 m² | +53 m² +64% | 2025 |
|---|
| 173, Philip Lane495 m away | 83 m² | 136 m² | +53 m² +64% | 2024 |
|---|
| 3, Chandos Road342 m away | 76 m² | 129 m² | +53 m² +70% | 2012 |
|---|
| 88, Gloucester Road326 m away | 112 m² | 165 m² | +53 m² +47% | 2011 |
|---|
| 147, Boundary Road984 m away | 119 m² | 171 m² | +52 m² +44% | 2021 |
|---|
| 162, Walpole Road827 m away | 99 m² | 151 m² | +52 m² +53% | 2012 |
|---|
| 30, Kirkstall Avenue648 m away | 112 m² | 163 m² | +51 m² +46% | 2025 |
|---|
| 92, Downhills Way744 m away | 88 m² | 138 m² | +50 m² +57% | 2024 |
|---|
| 22, Mansfield Avenue744 m away | 83 m² | 133 m² | +50 m² +60% | 2023 |
|---|
| 56, Beaconsfield Road816 m away | 56 m² | 106 m² | +50 m² +89% | 2023 |
|---|
| 307, Lordship Lane672 m away | 76 m² | 126 m² | +50 m² +66% | 2022 |
|---|
| 214, Boundary Road964 m away | 122 m² | 172 m² | +50 m² +41% | 2021 |
|---|
| 16, Steele Road333 m away | 61 m² | 111 m² | +50 m² +82% | 2013 |
|---|
| 111, St Loys Road398 m away | 85 m² | 133 m² | +48 m² +56% | 2026 |
|---|
| 62, Downhills Way752 m away | 89 m² | 137 m² | +48 m² +54% | 2025 |
|---|
| 12, Lordsmead Road492 m away | 133 m² | 181 m² | +48 m² +36% | 2024 |
|---|
| 28, Bedford Road709 m away | 144 m² | 192 m² | +48 m² +33% | 2024 |
|---|
| 7, Albion Road961 m away | 87 m² | 135 m² | +48 m² +55% | 2022 |
|---|
| 25, Jansons Road486 m away | 137 m² | 185 m² | +48 m² +35% | 2021 |
|---|
| 18, Dunloe Avenue358 m away | 38 m² | 86 m² | +48 m² +126% | 2016 |
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| 32, Fairbourne Road142 m away | 115 m² | 162 m² | +47 m² +41% | 2024 |
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| 166, Higham Road469 m away | 87 m² | 134 m² | +47 m² +54% | 2023 |
|---|
| 114, Seaford Road982 m away | 77 m² | 124 m² | +47 m² +61% | 2020 |
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| 27, Sandringham Road891 m away | 100 m² | 147 m² | +47 m² +47% | 2019 |
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| 77, Lordsmead Road523 m away | 89 m² | 136 m² | +47 m² +53% | 2012 |
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| 49, Arnold Road583 m away | 107 m² | 153 m² | +46 m² +43% | 2020 |
|---|
| 32, Morrison Avenue254 m away | 40 m² | 86 m² | +46 m² +115% | 2012 |
|---|
| 133, Lordship Lane652 m away | 115 m² | 160 m² | +45 m² +39% | 2025 |
|---|
| 2, Sperling Road544 m away | 71 m² | 116 m² | +45 m² +63% | 2014 |
|---|
| Flat 1, Marc Court 56-58, West Green Road989 m away | 32 m² | 76 m² | +44 m² +138% | 2019 |
|---|
| 1, Radley Road592 m away | 88 m² | 132 m² | +44 m² +50% | 2013 |
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| 278, Philip Lane551 m away | 62 m² | 105 m² | +43 m² +69% | 2023 |
|---|
| 112, Ranelagh Road377 m away | 116 m² | 159 m² | +43 m² +37% | 2021 |
|---|
| 182, Mount Pleasant Road252 m away | 53 m² | 96 m² | +43 m² +81% | 2020 |
|---|
| 52, Beaconsfield Road816 m away | 51 m² | 94 m² | +43 m² +84% | 2017 |
|---|
| 68, Newlyn Road829 m away | 72 m² | 115 m² | +43 m² +60% | 2015 |
|---|
| 9, Spigurnell Road896 m away | 69 m² | 112 m² | +43 m² +62% | 2014 |
|---|
| 204, Boundary Road964 m away | 65 m² | 108 m² | +43 m² +66% | 2009 |
|---|
| 4, Malvern Road977 m away | 82 m² | 124 m² | +42 m² +51% | 2024 |
|---|
| 108, The Avenue244 m away | 57 m² | 99 m² | +42 m² +74% | 2020 |
|---|
| 477, High Road689 m away | 64 m² | 106 m² | +42 m² +66% | 2015 |
|---|
| 110, Seaford Road982 m away | 81 m² | 122 m² | +41 m² +51% | 2025 |
|---|
| 23, Mansfield Avenue744 m away | 75 m² | 116 m² | +41 m² +55% | 2022 |
|---|
| 53, Tower Gardens Road848 m away | 77 m² | 118 m² | +41 m² +53% | 2022 |
|---|
| 4, Bourn Avenue788 m away | 86 m² | 127 m² | +41 m² +48% | 2019 |
|---|
| 25, Dowsett Road885 m away | 51 m² | 92 m² | +41 m² +80% | 2018 |
|---|
| 18, Winchelsea Road466 m away | 100 m² | 140 m² | +40 m² +40% | 2026 |
|---|
| 36, Clonmell Road439 m away | 87 m² | 127 m² | +40 m² +46% | 2024 |
|---|
| 1, Hastings Road381 m away | 95 m² | 135 m² | +40 m² +42% | 2017 |
|---|
| 347, Lordship Lane840 m away | 83 m² | 123 m² | +40 m² +48% | 2014 |
|---|
| 7, Bourn Avenue788 m away | 42 m² | 82 m² | +40 m² +95% | 2008 |
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| 36, Greyhound Road408 m away | 101 m² | 140 m² | +39 m² +39% | 2024 |
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| 52, St Loy'S Road434 m away | 89 m² | 127 m² | +38 m² +43% | 2026 |
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| 119, Higham Road488 m away | 87 m² | 125 m² | +38 m² +44% | 2026 |
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| 153, Boundary Road984 m away | 102 m² | 140 m² | +38 m² +37% | 2026 |
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| 72, Chester Road131 m away | 120 m² | 158 m² | +38 m² +32% | 2025 |
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| 40, Gloucester Road326 m away | 115 m² | 153 m² | +38 m² +33% | 2025 |
|---|
| 8, Fairbourne Road142 m away | 68 m² | 106 m² | +38 m² +56% | 2024 |
|---|
| 5, Claire House, Elizabeth Place559 m away | 49 m² | 87 m² | +38 m² +78% | 2023 |
|---|
| Flat 1, 316, Philip Lane694 m away | 28 m² | 66 m² | +38 m² +136% | 2018 |
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| 14, Moorefield Road626 m away | 81 m² | 118 m² | +37 m² +46% | 2022 |
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| 137, Downhills Way889 m away | 103 m² | 140 m² | +37 m² +36% | 2022 |
|---|
| 164, Seaford Road971 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
|---|
| 52, St Margarets Road179 m away | 94 m² | 131 m² | +37 m² +39% | 2021 |
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| 89, Belmont Road947 m away | 119 m² | 156 m² | +37 m² +31% | 2021 |
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| 117, Clonmell Road324 m away | 80 m² | 117 m² | +37 m² +46% | 2019 |
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| 29, Forest Gardens718 m away | 74 m² | 111 m² | +37 m² +50% | 2019 |
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| 85b, Gloucester Road242 m away | 62 m² | 98 m² | +36 m² +58% | 2025 |
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| 38, Ranelagh Road351 m away | 87 m² | 123 m² | +36 m² +41% | 2024 |
|---|
| 93, Kirkton Road922 m away | 64 m² | 100 m² | +36 m² +56% | 2023 |
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| 18, Station Crescent978 m away | 75 m² | 111 m² | +36 m² +48% | 2022 |
|---|
| 146, West Green Road822 m away | 25 m² | 61 m² | +36 m² +144% | 2020 |
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| 37, Lordship Lane876 m away | 45 m² | 81 m² | +36 m² +80% | 2016 |
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| 228, Risley Avenue758 m away | 92 m² | 128 m² | +36 m² +39% | 2015 |
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| 8, Ripon Road612 m away | 77 m² | 113 m² | +36 m² +47% | 2012 |
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| 179, Philip Lane495 m away | 33 m² | 69 m² | +36 m² +109% | 2010 |
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| 7, Beaconsfield Road790 m away | 119 m² | 154 m² | +35 m² +29% | 2026 |
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| 5, Dawlish Road902 m away | 36 m² | 71 m² | +35 m² +97% | 2023 |
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| 111, Beaconsfield Road790 m away | 104 m² | 139 m² | +35 m² +34% | 2022 |
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| 41, Beaconsfield Road790 m away | 102 m² | 137 m² | +35 m² +34% | 2019 |
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| 196, Boundary Road964 m away | 106 m² | 141 m² | +35 m² +33% | 2013 |
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| Flat 48, Stapleford, Willan Road188 m away | 35 m² | 70 m² | +35 m² +100% | 2010 |
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| 25, Clonmell Road468 m away | 77 m² | 111 m² | +34 m² +44% | 2026 |
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| 97, Kirkton Road922 m away | 27 m² | 61 m² | +34 m² +126% | 2024 |
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| 41, Henningham Road981 m away | 72 m² | 106 m² | +34 m² +47% | 2024 |
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| 70, St Loy'S Road434 m away | 101 m² | 135 m² | +34 m² +34% | 2021 |
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| 18, St Margarets Road179 m away | 76 m² | 110 m² | +34 m² +45% | 2020 |
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| 17, Summerhill Road722 m away | 86 m² | 120 m² | +34 m² +40% | 2020 |
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| 68, Mount Pleasant Road230 m away | 91 m² | 125 m² | +34 m² +37% | 2019 |
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| Flat 93, Millicent Fawcett Court, Pembury Road935 m away | 61 m² | 95 m² | +34 m² +56% | 2009 |
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| 138, Walpole Road827 m away | 104 m² | 137 m² | +33 m² +32% | 2026 |
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| 11, Bruce Castle Road973 m away | 78 m² | 111 m² | +33 m² +42% | 2026 |
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| 83, Clonmell Road324 m away | 75 m² | 108 m² | +33 m² +44% | 2025 |
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| 82, St Loys Road434 m away | 80 m² | 113 m² | +33 m² +41% | 2022 |
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| 52, Seaford Road982 m away | 75 m² | 108 m² | +33 m² +44% | 2020 |
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| 24, Mansfield Avenue744 m away | 79 m² | 112 m² | +33 m² +42% | 2014 |
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| 108, Scales Road982 m away | 89 m² | 122 m² | +33 m² +37% | 2014 |
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| 5b, Vicarage Parade998 m away | 35 m² | 67 m² | +32 m² +91% | 2026 |
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| 5, Sandringham Road891 m away | 47 m² | 79 m² | +32 m² +68% | 2025 |
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| 26, Malvern Road977 m away | 83 m² | 115 m² | +32 m² +39% | 2025 |
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| 31, Kirkstall Avenue648 m away | 117 m² | 149 m² | +32 m² +27% | 2024 |
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| 12, Reform Row919 m away | 60 m² | 92 m² | +32 m² +53% | 2024 |
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| 16, Elsden Road773 m away | 53 m² | 85 m² | +32 m² +60% | 2022 |
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| 186, Boundary Road964 m away | 98 m² | 130 m² | +32 m² +33% | 2017 |
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| 10, Morrison Avenue254 m away | 54 m² | 86 m² | +32 m² +59% | 2016 |
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| 54, Dongola Road217 m away | 95 m² | 127 m² | +32 m² +34% | 2015 |
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| 77, The Avenue486 m away | 48 m² | 80 m² | +32 m² +67% | 2013 |
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| 23, Elsden Road773 m away | 46 m² | 77 m² | +31 m² +67% | 2026 |
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| 12, Napier Road276 m away | 111 m² | 142 m² | +31 m² +28% | 2022 |
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| 138, Clonmell Road287 m away | 81 m² | 112 m² | +31 m² +38% | 2022 |
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| 15, Dunloe Avenue367 m away | 89 m² | 120 m² | +31 m² +35% | 2022 |
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| 111b, Mount Pleasant Road109 m away | 75 m² | 106 m² | +31 m² +41% | 2021 |
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| 37, Clonmell Road468 m away | 74 m² | 105 m² | +31 m² +42% | 2019 |
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| 7, Jansons Road486 m away | 58 m² | 89 m² | +31 m² +53% | 2018 |
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| 8, Alton Road488 m away | 86 m² | 117 m² | +31 m² +36% | 2015 |
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| 209, Lordship Lane578 m away | 51 m² | 82 m² | +31 m² +61% | 2015 |
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| 88, Ranelagh Road377 m away | 53 m² | 84 m² | +31 m² +58% | 2014 |
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| 254, Mount Pleasant Road421 m away | 76 m² | 107 m² | +31 m² +41% | 2009 |
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| 35, Chesthunte Road1000 m away | 57 m² | 87 m² | +30 m² +53% | 2026 |
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| 29, Loxwood Road342 m away | 92 m² | 122 m² | +30 m² +33% | 2023 |
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| 190, Walpole Road827 m away | 83 m² | 113 m² | +30 m² +36% | 2023 |
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| 37, Dunloe Avenue367 m away | 86 m² | 116 m² | +30 m² +35% | 2022 |
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| 26a, Kitchener Road287 m away | 49 m² | 79 m² | +30 m² +61% | 2019 |
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| 138, Philip Lane382 m away | 61 m² | 91 m² | +30 m² +49% | 2018 |
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| 329, Lordship Lane672 m away | 94 m² | 124 m² | +30 m² +32% | 2018 |
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| 32, Downhills Park Road506 m away | 51 m² | 81 m² | +30 m² +59% | 2017 |
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| 5a, Beaconsfield Road790 m away | 49 m² | 79 m² | +30 m² +61% | 2015 |
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| 171b, Mount Pleasant Road224 m away | 42 m² | 71 m² | +29 m² +69% | 2026 |
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| 14, Greyhound Road408 m away | 107 m² | 136 m² | +29 m² +27% | 2026 |
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| 38, Newlyn Road829 m away | 45 m² | 74 m² | +29 m² +64% | 2026 |
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| 40, Morrison Avenue254 m away | 80 m² | 109 m² | +29 m² +36% | 2025 |
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| 26, Loobert Road525 m away | 73 m² | 102 m² | +29 m² +40% | 2024 |
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| 48, Henningham Road940 m away | 79 m² | 108 m² | +29 m² +37% | 2023 |
|---|
| 92, Kitchener Road166 m away | 51 m² | 80 m² | +29 m² +57% | 2022 |
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| 143, Seaford Road1000 m away | 78 m² | 107 m² | +29 m² +37% | 2021 |
|---|
| 2, Winns Mews871 m away | 109 m² | 138 m² | +29 m² +27% | 2020 |
|---|
| 1a, Handsworth Road395 m away | 47 m² | 76 m² | +29 m² +62% | 2018 |
|---|
| 52, Clonmell Road439 m away | 75 m² | 104 m² | +29 m² +39% | 2016 |
|---|
| 184, Walpole Road827 m away | 88 m² | 117 m² | +29 m² +33% | 2014 |
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| 42, Dongola Road217 m away | 106 m² | 135 m² | +29 m² +27% | 2012 |
|---|
| 64, Ranelagh Road351 m away | 122 m² | 150 m² | +28 m² +23% | 2026 |
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| 64, The Avenue443 m away | 50 m² | 78 m² | +28 m² +56% | 2023 |
|---|
| 37, Sperling Road529 m away | 90 m² | 118 m² | +28 m² +31% | 2022 |
|---|
| 94, Kitchener Road166 m away | 51 m² | 79 m² | +28 m² +55% | 2021 |
|---|
| 38, Awlfield Avenue842 m away | 71 m² | 99 m² | +28 m² +39% | 2021 |
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| 44b, Lordsmead Road492 m away | 55 m² | 83 m² | +28 m² +51% | 2020 |
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| Flat 2, 316, Philip Lane694 m away | 22 m² | 50 m² | +28 m² +127% | 2018 |
|---|
| 29, Dorset Road740 m away | 70 m² | 98 m² | +28 m² +40% | 2014 |
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| 13, Eve Road305 m away | 53 m² | 80 m² | +27 m² +51% | 2026 |
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| 90a, Mount Pleasant Road230 m away | 57 m² | 84 m² | +27 m² +47% | 2025 |
|---|
| 16, Elmar Road888 m away | 82 m² | 109 m² | +27 m² +33% | 2025 |
|---|
| 122, Mount Pleasant Road131 m away | 48 m² | 75 m² | +27 m² +56% | 2021 |
|---|
| 28, Loxwood Road342 m away | 89 m² | 116 m² | +27 m² +30% | 2016 |
|---|
| 24, Lismore Road470 m away | 77 m² | 104 m² | +27 m² +35% | 2015 |
|---|
| 285, Mount Pleasant Road460 m away | 63 m² | 90 m² | +27 m² +43% | 2014 |
|---|
| 23, Lordship Lane938 m away | 101 m² | 128 m² | +27 m² +27% | 2014 |
|---|
| 5, Broadwater Road613 m away | 105 m² | 131 m² | +26 m² +25% | 2026 |
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