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 N15 3AS
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 |
|---|---|---|---|---|
| 55, Beresford Road897 m away | 70 m² | 163 m² | +93 m² +133% | 2021 |
| 90, Wightman Road991 m away | 79 m² | 172 m² | +93 m² +118% | 2021 |
| 167, Carlingford Road573 m away | 63 m² | 142 m² | +79 m² +125% | 2026 |
| 71, Handsworth Road952 m away | 103 m² | 182 m² | +79 m² +77% | 2025 |
| 85, Allison Road705 m away | 122 m² | 196 m² | +74 m² +61% | 2013 |
| 19, Warham Road856 m away | 50 m² | 124 m² | +74 m² +148% | 2012 |
| 39, Pemberton Road864 m away | 60 m² | 133 m² | +73 m² +122% | 2017 |
| 210, West Green Road552 m away | 102 m² | 173 m² | +71 m² +70% | 2026 |
| 36, Beechfield Road615 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.
| 92 m² |
| 163 m² |
| +71 m² +77% |
| 2022 |
| 26, Handsworth Road955 m away | 59 m² | 129 m² | +70 m² +119% | 2025 |
|---|
| 135, Effingham Road771 m away | 111 m² | 180 m² | +69 m² +62% | 2021 |
|---|
| 121, Roslyn Road671 m away | 50 m² | 118 m² | +68 m² +136% | 2026 |
|---|
| 31, Mattison Road867 m away | 57 m² | 125 m² | +68 m² +119% | 2009 |
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| 11, Chesterfield Gardens534 m away | 107 m² | 174 m² | +67 m² +63% | 2024 |
|---|
| 160, Carlingford Road589 m away | 59 m² | 126 m² | +67 m² +114% | 2018 |
|---|
| 4, Alton Road858 m away | 87 m² | 154 m² | +67 m² +77% | 2017 |
|---|
| 7, Elizabeth Road958 m away | 98 m² | 164 m² | +66 m² +67% | 2026 |
|---|
| 45b, Langham Road452 m away | 49 m² | 115 m² | +66 m² +135% | 2024 |
|---|
| 42, Lothair Road North939 m away | 106 m² | 171 m² | +65 m² +61% | 2025 |
|---|
| 129, Seymour Road667 m away | 124 m² | 189 m² | +65 m² +52% | 2022 |
|---|
| 26, Roseberry Gardens575 m away | 86 m² | 151 m² | +65 m² +76% | 2021 |
|---|
| 70, Warham Road858 m away | 63 m² | 128 m² | +65 m² +103% | 2019 |
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| 60, Warham Road858 m away | 65 m² | 130 m² | +65 m² +100% | 2014 |
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| 75, Woodlands Park Road289 m away | 96 m² | 160 m² | +64 m² +67% | 2023 |
|---|
| 19, Mannock Road971 m away | 97 m² | 161 m² | +64 m² +66% | 2022 |
|---|
| 3, Caradon Way496 m away | 61 m² | 125 m² | +64 m² +105% | 2013 |
|---|
| 43, Effingham Road939 m away | 98 m² | 161 m² | +63 m² +64% | 2024 |
|---|
| 101, Belmont Road760 m away | 111 m² | 174 m² | +63 m² +57% | 2023 |
|---|
| 331, Green Lanes931 m away | 55 m² | 117 m² | +62 m² +113% | 2013 |
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| 64, Roslyn Road912 m away | 112 m² | 173 m² | +61 m² +54% | 2026 |
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| 90, Lausanne Road969 m away | 70 m² | 131 m² | +61 m² +87% | 2026 |
|---|
| 113, Allison Road705 m away | 134 m² | 195 m² | +61 m² +46% | 2018 |
|---|
| 82, Cavendish Road783 m away | 124 m² | 185 m² | +61 m² +49% | 2018 |
|---|
| 25, Keston Road663 m away | 108 m² | 168 m² | +60 m² +56% | 2026 |
|---|
| 95, Langham Road729 m away | 58 m² | 118 m² | +60 m² +103% | 2025 |
|---|
| 7, Belmont Avenue780 m away | 61 m² | 121 m² | +60 m² +98% | 2025 |
|---|
| 132, Roslyn Road659 m away | 85 m² | 145 m² | +60 m² +71% | 2021 |
|---|
| 27, Effingham Road939 m away | 98 m² | 158 m² | +60 m² +61% | 2021 |
|---|
| 89, Kirkton Road925 m away | 110 m² | 170 m² | +60 m² +55% | 2014 |
|---|
| 111, Glenwood Road428 m away | 97 m² | 156 m² | +59 m² +61% | 2019 |
|---|
| 38, Beresford Road879 m away | 108 m² | 166 m² | +58 m² +54% | 2023 |
|---|
| 67, Fairfax Road957 m away | 59 m² | 117 m² | +58 m² +98% | 2018 |
|---|
| 57, Falkland Road859 m away | 114 m² | 171 m² | +57 m² +50% | 2026 |
|---|
| 48, Downhills Avenue961 m away | 85 m² | 141 m² | +56 m² +66% | 2025 |
|---|
| 19, Salisbury Road495 m away | 45 m² | 101 m² | +56 m² +124% | 2024 |
|---|
| 110, Langham Road768 m away | 117 m² | 173 m² | +56 m² +48% | 2023 |
|---|
| 72, Kimberley Gardens410 m away | 101 m² | 157 m² | +56 m² +55% | 2022 |
|---|
| 45, Oakdale Road536 m away | 89 m² | 145 m² | +56 m² +63% | 2021 |
|---|
| 71, Harringay Road505 m away | 89 m² | 145 m² | +56 m² +63% | 2019 |
|---|
| 45, Hewitt Road850 m away | 120 m² | 175 m² | +55 m² +46% | 2022 |
|---|
| 65, Oakdale Road536 m away | 46 m² | 100 m² | +54 m² +117% | 2026 |
|---|
| 112, Carlingford Road752 m away | 54 m² | 108 m² | +54 m² +100% | 2023 |
|---|
| 34, Pemberton Road888 m away | 127 m² | 181 m² | +54 m² +43% | 2022 |
|---|
| 25, Oakdale Road536 m away | 82 m² | 136 m² | +54 m² +66% | 2018 |
|---|
| 25, Warham Road856 m away | 124 m² | 178 m² | +54 m² +44% | 2016 |
|---|
| 9, Alfoxton Avenue765 m away | 62 m² | 116 m² | +54 m² +87% | 2015 |
|---|
| 214, West Green Road552 m away | 83 m² | 136 m² | +53 m² +64% | 2025 |
|---|
| 158, Carlingford Road589 m away | 132 m² | 185 m² | +53 m² +40% | 2024 |
|---|
| 173, Philip Lane904 m away | 83 m² | 136 m² | +53 m² +64% | 2024 |
|---|
| 33, Ritches Road175 m away | 45 m² | 98 m² | +53 m² +118% | 2012 |
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| 204, Hermitage Road713 m away | 80 m² | 132 m² | +52 m² +65% | 2026 |
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| 434, St Anns Road499 m away | 58 m² | 110 m² | +52 m² +90% | 2025 |
|---|
| 111, Seymour Road667 m away | 99 m² | 151 m² | +52 m² +53% | 2024 |
|---|
| 61, Falkland Road859 m away | 119 m² | 171 m² | +52 m² +44% | 2024 |
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| 48, Chesterfield Gardens518 m away | 100 m² | 151 m² | +51 m² +51% | 2025 |
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| 30, Kirkstall Avenue699 m away | 112 m² | 163 m² | +51 m² +46% | 2025 |
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| 150, Roslyn Road659 m away | 79 m² | 130 m² | +51 m² +65% | 2024 |
|---|
| 53, Warham Road856 m away | 117 m² | 168 m² | +51 m² +44% | 2024 |
|---|
| 47, Oakdale Road536 m away | 84 m² | 135 m² | +51 m² +61% | 2023 |
|---|
| 91, Burgoyne Road825 m away | 53 m² | 104 m² | +51 m² +96% | 2015 |
|---|
| 15, Harringay Road515 m away | 95 m² | 145 m² | +50 m² +53% | 2026 |
|---|
| 22, Mansfield Avenue623 m away | 83 m² | 133 m² | +50 m² +60% | 2023 |
|---|
| 57, Pemberton Road864 m away | 190 m² | 240 m² | +50 m² +26% | 2021 |
|---|
| 23, Elizabeth Road958 m away | 101 m² | 151 m² | +50 m² +50% | 2019 |
|---|
| 35, Cranleigh Road155 m away | 116 m² | 166 m² | +50 m² +43% | 2014 |
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| 48, Salisbury Road480 m away | 38 m² | 88 m² | +50 m² +132% | 2009 |
|---|
| 35, Rutland Gardens601 m away | 60 m² | 109 m² | +49 m² +82% | 2022 |
|---|
| 68, Beresford Road879 m away | 118 m² | 167 m² | +49 m² +42% | 2022 |
|---|
| 70, Seymour Road861 m away | 111 m² | 160 m² | +49 m² +44% | 2020 |
|---|
| 15, Hermitage Road960 m away | 54 m² | 103 m² | +49 m² +91% | 2019 |
|---|
| Zinnia, Stanmore Road674 m away | 71 m² | 120 m² | +49 m² +69% | 2018 |
|---|
| 7, Seymour Road859 m away | 116 m² | 165 m² | +49 m² +42% | 2016 |
|---|
| 13, Umfreville Road965 m away | 58 m² | 107 m² | +49 m² +84% | 2014 |
|---|
| 88, Rutland Gardens498 m away | 90 m² | 139 m² | +49 m² +54% | 2009 |
|---|
| 106, Hewitt Road670 m away | 131 m² | 179 m² | +48 m² +37% | 2024 |
|---|
| 28, Bedford Road804 m away | 144 m² | 192 m² | +48 m² +33% | 2024 |
|---|
| 72, Falkland Road841 m away | 105 m² | 153 m² | +48 m² +46% | 2022 |
|---|
| 494, Seven Sisters Road970 m away | 97 m² | 145 m² | +48 m² +49% | 2021 |
|---|
| 13, Linden Road477 m away | 137 m² | 185 m² | +48 m² +35% | 2016 |
|---|
| 148, Victoria Crescent865 m away | 48 m² | 96 m² | +48 m² +100% | 2010 |
|---|
| 77, Allison Road705 m away | 127 m² | 174 m² | +47 m² +37% | 2026 |
|---|
| 15, Chesterfield Gardens534 m away | 116 m² | 163 m² | +47 m² +41% | 2025 |
|---|
| 102, Harringay Road475 m away | 88 m² | 135 m² | +47 m² +53% | 2020 |
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| 114, Seaford Road792 m away | 77 m² | 124 m² | +47 m² +61% | 2020 |
|---|
| 63, Falkland Road859 m away | 117 m² | 164 m² | +47 m² +40% | 2020 |
|---|
| 12l, Woodlands Park Road245 m away | 62 m² | 109 m² | +47 m² +76% | 2018 |
|---|
| Flat 3, 5, Belmont Road563 m away | 45 m² | 92 m² | +47 m² +104% | 2018 |
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| 143, Effingham Road771 m away | 53 m² | 99 m² | +46 m² +87% | 2025 |
|---|
| 301, St Anns Road312 m away | 99 m² | 145 m² | +46 m² +46% | 2023 |
|---|
| 41, Fairfax Road957 m away | 94 m² | 140 m² | +46 m² +49% | 2018 |
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| Flat 1, 4, Etherley Road201 m away | 33 m² | 79 m² | +46 m² +139% | 2013 |
|---|
| 5a, Beechfield Road593 m away | 76 m² | 121 m² | +45 m² +59% | 2026 |
|---|
| 53, Carlingford Road941 m away | 120 m² | 165 m² | +45 m² +38% | 2025 |
|---|
| 9, Berkeley Road961 m away | 80 m² | 125 m² | +45 m² +56% | 2025 |
|---|
| 54, Beresford Road879 m away | 123 m² | 168 m² | +45 m² +37% | 2023 |
|---|
| 210, Downhills Park Road886 m away | 92 m² | 137 m² | +45 m² +49% | 2023 |
|---|
| 492, Seven Sisters Road970 m away | 72 m² | 117 m² | +45 m² +63% | 2023 |
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| 258, Hermitage Road633 m away | 87 m² | 132 m² | +45 m² +52% | 2022 |
|---|
| 108, Mattison Road684 m away | 66 m² | 111 m² | +45 m² +68% | 2022 |
|---|
| 42b, Park Road586 m away | 53 m² | 98 m² | +45 m² +85% | 2019 |
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| 6, Waldeck Road765 m away | 117 m² | 162 m² | +45 m² +38% | 2019 |
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| 114, Seymour Road665 m away | 128 m² | 172 m² | +44 m² +34% | 2025 |
|---|
| 28, Stanmore Road649 m away | 133 m² | 177 m² | +44 m² +33% | 2023 |
|---|
| 74, Clinton Road300 m away | 72 m² | 116 m² | +44 m² +61% | 2020 |
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| 68, Avondale Road335 m away | 99 m² | 143 m² | +44 m² +44% | 2020 |
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| 47c, Warham Road856 m away | 52 m² | 96 m² | +44 m² +85% | 2018 |
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| 22, Beresford Road879 m away | 101 m² | 145 m² | +44 m² +44% | 2017 |
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| 127, Beresford Road713 m away | 109 m² | 152 m² | +43 m² +39% | 2026 |
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| 22, Pemberton Road888 m away | 134 m² | 177 m² | +43 m² +32% | 2026 |
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| 79l, Carlingford Road941 m away | 68 m² | 111 m² | +43 m² +63% | 2026 |
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| 14, Falmer Road221 m away | 74 m² | 117 m² | +43 m² +58% | 2025 |
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| 47, Chesterfield Gardens434 m away | 104 m² | 147 m² | +43 m² +41% | 2025 |
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| 58, Allison Road872 m away | 62 m² | 105 m² | +43 m² +69% | 2025 |
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| 48, Kimberley Gardens410 m away | 99 m² | 142 m² | +43 m² +43% | 2024 |
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| 278, Philip Lane799 m away | 62 m² | 105 m² | +43 m² +69% | 2023 |
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| 69, Effingham Road939 m away | 95 m² | 138 m² | +43 m² +45% | 2020 |
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| 29, Warwick Gardens424 m away | 112 m² | 155 m² | +43 m² +38% | 2019 |
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| 110, Carlingford Road752 m away | 118 m² | 161 m² | +43 m² +36% | 2019 |
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| 122, Allison Road684 m away | 127 m² | 170 m² | +43 m² +34% | 2018 |
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| 20, Fairfax Road958 m away | 80 m² | 123 m² | +43 m² +54% | 2017 |
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| 44, Ritches Road175 m away | 98 m² | 141 m² | +43 m² +44% | 2015 |
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| 11, Colina Road522 m away | 44 m² | 86 m² | +42 m² +95% | 2026 |
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| 47, Effingham Road939 m away | 99 m² | 141 m² | +42 m² +42% | 2024 |
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| 201, Langham Road956 m away | 116 m² | 158 m² | +42 m² +36% | 2023 |
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| 113, Roslyn Road671 m away | 80 m² | 122 m² | +42 m² +53% | 2022 |
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| 64, Duckett Road741 m away | 157 m² | 199 m² | +42 m² +27% | 2020 |
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| 41a, Clinton Road300 m away | 69 m² | 111 m² | +42 m² +61% | 2019 |
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| 14, Cranleigh Road111 m away | 107 m² | 148 m² | +41 m² +38% | 2026 |
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| 115, Rutland Gardens493 m away | 100 m² | 141 m² | +41 m² +41% | 2025 |
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| 110, Seaford Road792 m away | 81 m² | 122 m² | +41 m² +51% | 2025 |
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| 26, Stanmore Road649 m away | 127 m² | 168 m² | +41 m² +32% | 2024 |
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| 109, Rutland Gardens493 m away | 99 m² | 140 m² | +41 m² +41% | 2023 |
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| 84, Rutland Gardens498 m away | 103 m² | 144 m² | +41 m² +40% | 2023 |
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| 54, Falmer Road221 m away | 71 m² | 112 m² | +41 m² +58% | 2022 |
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| 23, Mansfield Avenue623 m away | 75 m² | 116 m² | +41 m² +55% | 2022 |
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| 4, Bourn Avenue569 m away | 86 m² | 127 m² | +41 m² +48% | 2019 |
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| 109, Allison Road705 m away | 136 m² | 177 m² | +41 m² +30% | 2018 |
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| 85, Carlingford Road941 m away | 36 m² | 77 m² | +41 m² +114% | 2018 |
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| 9, Venetia Road978 m away | 115 m² | 156 m² | +41 m² +36% | 2018 |
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| 112, Rutland Gardens498 m away | 102 m² | 143 m² | +41 m² +40% | 2014 |
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| 3, Albany Close410 m away | 57 m² | 97 m² | +40 m² +70% | 2026 |
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| 40, Mattison Road897 m away | 60 m² | 100 m² | +40 m² +67% | 2026 |
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| 21, Belmont Avenue780 m away | 35 m² | 75 m² | +40 m² +114% | 2025 |
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| 65, Warham Road856 m away | 126 m² | 166 m² | +40 m² +32% | 2024 |
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| 36, Clonmell Road908 m away | 87 m² | 127 m² | +40 m² +46% | 2024 |
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| 60, Fairfax Road958 m away | 97 m² | 137 m² | +40 m² +41% | 2022 |
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| 79, Fairfax Road808 m away | 101 m² | 141 m² | +40 m² +40% | 2021 |
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| 42, Roslyn Road912 m away | 86 m² | 126 m² | +40 m² +47% | 2021 |
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| 42, Glenwood Road400 m away | 57 m² | 97 m² | +40 m² +70% | 2013 |
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| 50, Clarence Road223 m away | 80 m² | 120 m² | +40 m² +50% | 2012 |
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| 18, Belmont Avenue780 m away | 107 m² | 147 m² | +40 m² +37% | 2011 |
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| 99, Hewitt Road677 m away | 125 m² | 165 m² | +40 m² +32% | 2009 |
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| 16, Roseberry Gardens575 m away | 100 m² | 139 m² | +39 m² +39% | 2026 |
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| 112, Mattison Road684 m away | 148 m² | 187 m² | +39 m² +26% | 2026 |
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| 74, Roslyn Road659 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
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| 77, Cavendish Road771 m away | 140 m² | 179 m² | +39 m² +28% | 2024 |
|---|
| 115, Lothair Road North975 m away | 102 m² | 141 m² | +39 m² +38% | 2023 |
|---|
| 25, Belmont Avenue780 m away | 114 m² | 153 m² | +39 m² +34% | 2021 |
|---|
| 40, Fairfax Road958 m away | 94 m² | 133 m² | +39 m² +41% | 2019 |
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| 24, Warham Road858 m away | 126 m² | 164 m² | +38 m² +30% | 2025 |
|---|
| 73, Cranleigh Road88 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 30, Rutland Gardens598 m away | 145 m² | 183 m² | +38 m² +26% | 2023 |
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| 5, Claire House, Elizabeth Place864 m away | 49 m² | 87 m² | +38 m² +78% | 2023 |
|---|
| 53, Seymour Road859 m away | 125 m² | 163 m² | +38 m² +30% | 2020 |
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| 43, Mannock Road971 m away | 92 m² | 130 m² | +38 m² +41% | 2019 |
|---|
| 1, Caversham Road408 m away | 87 m² | 125 m² | +38 m² +44% | 2018 |
|---|
| Flat 1, 316, Philip Lane652 m away | 28 m² | 66 m² | +38 m² +136% | 2018 |
|---|
| 67, Seymour Road859 m away | 54 m² | 92 m² | +38 m² +70% | 2017 |
|---|
| 39, Oakdale Road536 m away | 88 m² | 126 m² | +38 m² +43% | 2014 |
|---|
| 20, Clarendon Road338 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
|---|
| 182, St Anns Road706 m away | 54 m² | 91 m² | +37 m² +69% | 2026 |
|---|
| 24, Pemberton Road888 m away | 141 m² | 178 m² | +37 m² +26% | 2026 |
|---|
| 8, Ashfield Road575 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
|---|
| 164, Seaford Road606 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
|---|
| 26, Brampton Road228 m away | 102 m² | 139 m² | +37 m² +36% | 2021 |
|---|
| 156, Roslyn Road659 m away | 85 m² | 122 m² | +37 m² +44% | 2021 |
|---|
| 89, Belmont Road760 m away | 119 m² | 156 m² | +37 m² +31% | 2021 |
|---|
| 19, Hewitt Road850 m away | 129 m² | 166 m² | +37 m² +29% | 2020 |
|---|
| 94, Roslyn Road659 m away | 70 m² | 107 m² | +37 m² +53% | 2019 |
|---|
| 357, Green Lanes931 m away | 50 m² | 87 m² | +37 m² +74% | 2019 |
|---|
| 7, Clarendon Road338 m away | 95 m² | 132 m² | +37 m² +39% | 2017 |
|---|
| 42, Oulton Road621 m away | 90 m² | 127 m² | +37 m² +41% | 2017 |
|---|
| 11, Hewitt Road850 m away | 122 m² | 159 m² | +37 m² +30% | 2016 |
|---|
| 10a, Burgoyne Road919 m away | 43 m² | 80 m² | +37 m² +86% | 2013 |
|---|
| 29, Mattison Road867 m away | 131 m² | 168 m² | +37 m² +28% | 2011 |
|---|
| 36, Cissbury Road607 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 5, Stanhope Gardens636 m away | 129 m² | 165 m² | +36 m² +28% | 2025 |
|---|
| 93, Langham Road729 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
|---|
| 39, Avondale Road349 m away | 77 m² | 113 m² | +36 m² +47% | 2024 |
|---|
| 93, Kirkton Road925 m away | 64 m² | 100 m² | +36 m² +56% | 2023 |
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