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 4AB
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 Road885 m away | 119 m² | 238 m² | +119 m² +100% | 2014 |
| 126, Boundary Road885 m away | 103 m² | 206 m² | +103 m² +100% | 2014 |
| 167, Carlingford Road699 m away | 63 m² | 142 m² | +79 m² +125% | 2026 |
| 71, Handsworth Road300 m away | 103 m² | 182 m² | +79 m² +77% | 2025 |
| 210, West Green Road170 m away | 102 m² | 173 m² | +71 m² +70% | 2026 |
| 26, Handsworth Road305 m away | 59 m² | 129 m² | +70 m² +119% | 2025 |
| 121, Roslyn Road532 m away | 50 m² | 118 m² | +68 m² +136% | 2026 |
| 41, Rusper Road789 m away | 78 m² | 145 m² | +67 m² +86% | 2026 |
| 18, Drayton Road975 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.
| 125 m² |
| 192 m² |
| +67 m² +54% |
| 2026 |
| 17, Winchelsea Road795 m away | 113 m² | 180 m² | +67 m² +59% | 2023 |
|---|
| 160, Carlingford Road743 m away | 59 m² | 126 m² | +67 m² +114% | 2018 |
|---|
| 4, Alton Road209 m away | 87 m² | 154 m² | +67 m² +77% | 2017 |
|---|
| 7, Elizabeth Road860 m away | 98 m² | 164 m² | +66 m² +67% | 2026 |
|---|
| 45b, Langham Road444 m away | 49 m² | 115 m² | +66 m² +135% | 2024 |
|---|
| 122, Clonmell Road418 m away | 80 m² | 145 m² | +65 m² +81% | 2021 |
|---|
| 76, Downhills Way834 m away | 80 m² | 145 m² | +65 m² +81% | 2020 |
|---|
| 75, Woodlands Park Road873 m away | 96 m² | 160 m² | +64 m² +67% | 2023 |
|---|
| 19, Mannock Road861 m away | 97 m² | 161 m² | +64 m² +66% | 2022 |
|---|
| 37, Rusper Road789 m away | 103 m² | 167 m² | +64 m² +62% | 2019 |
|---|
| 3, Caradon Way266 m away | 61 m² | 125 m² | +64 m² +105% | 2013 |
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| 101, Belmont Road545 m away | 111 m² | 174 m² | +63 m² +57% | 2023 |
|---|
| 58a, Clonmell Road418 m away | 100 m² | 163 m² | +63 m² +63% | 2018 |
|---|
| 29, Ranelagh Road779 m away | 102 m² | 164 m² | +62 m² +61% | 2023 |
|---|
| 64, Roslyn Road748 m away | 112 m² | 173 m² | +61 m² +54% | 2026 |
|---|
| 25, Keston Road106 m away | 108 m² | 168 m² | +60 m² +56% | 2026 |
|---|
| 7, Belmont Avenue629 m away | 61 m² | 121 m² | +60 m² +98% | 2025 |
|---|
| 95, Langham Road699 m away | 58 m² | 118 m² | +60 m² +103% | 2025 |
|---|
| 132, Roslyn Road549 m away | 85 m² | 145 m² | +60 m² +71% | 2021 |
|---|
| 89, Kirkton Road616 m away | 110 m² | 170 m² | +60 m² +55% | 2014 |
|---|
| 111, Glenwood Road922 m away | 97 m² | 156 m² | +59 m² +61% | 2019 |
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| 7, Drayton Road975 m away | 58 m² | 117 m² | +59 m² +102% | 2018 |
|---|
| 14, Dongola Road530 m away | 62 m² | 119 m² | +57 m² +92% | 2018 |
|---|
| 99, Greyhound Road905 m away | 46 m² | 103 m² | +57 m² +124% | 2009 |
|---|
| 48, Downhills Avenue338 m away | 85 m² | 141 m² | +56 m² +66% | 2025 |
|---|
| 110, Langham Road715 m away | 117 m² | 173 m² | +56 m² +48% | 2023 |
|---|
| 71, Harringay Road939 m away | 89 m² | 145 m² | +56 m² +63% | 2019 |
|---|
| 22, Loxwood Road607 m away | 126 m² | 181 m² | +55 m² +44% | 2025 |
|---|
| 84, Walpole Road709 m away | 81 m² | 136 m² | +55 m² +68% | 2025 |
|---|
| 51, West Green Road716 m away | 42 m² | 97 m² | +55 m² +131% | 2024 |
|---|
| 112, Carlingford Road788 m away | 54 m² | 108 m² | +54 m² +100% | 2023 |
|---|
| 6, Higham Road694 m away | 115 m² | 169 m² | +54 m² +47% | 2020 |
|---|
| 9, Alfoxton Avenue982 m away | 62 m² | 116 m² | +54 m² +87% | 2015 |
|---|
| 214, West Green Road170 m away | 83 m² | 136 m² | +53 m² +64% | 2025 |
|---|
| 173, Philip Lane286 m away | 83 m² | 136 m² | +53 m² +64% | 2024 |
|---|
| 158, Carlingford Road743 m away | 132 m² | 185 m² | +53 m² +40% | 2024 |
|---|
| 95, Boundary Road948 m away | 103 m² | 156 m² | +53 m² +51% | 2018 |
|---|
| 33, Ritches Road816 m away | 45 m² | 98 m² | +53 m² +118% | 2012 |
|---|
| 88, Gloucester Road384 m away | 112 m² | 165 m² | +53 m² +47% | 2011 |
|---|
| 147, Boundary Road917 m away | 119 m² | 171 m² | +52 m² +44% | 2021 |
|---|
| 22, Birstall Road885 m away | 119 m² | 171 m² | +52 m² +44% | 2013 |
|---|
| 30, Kirkstall Avenue55 m away | 112 m² | 163 m² | +51 m² +46% | 2025 |
|---|
| 150, Roslyn Road549 m away | 79 m² | 130 m² | +51 m² +65% | 2024 |
|---|
| 92, Downhills Way834 m away | 88 m² | 138 m² | +50 m² +57% | 2024 |
|---|
| 22, Mansfield Avenue111 m away | 83 m² | 133 m² | +50 m² +60% | 2023 |
|---|
| 56, Beaconsfield Road698 m away | 56 m² | 106 m² | +50 m² +89% | 2023 |
|---|
| 23, Elizabeth Road860 m away | 101 m² | 151 m² | +50 m² +50% | 2019 |
|---|
| 35, Cranleigh Road654 m away | 116 m² | 166 m² | +50 m² +43% | 2014 |
|---|
| 16, Steele Road907 m away | 61 m² | 111 m² | +50 m² +82% | 2013 |
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| Zinnia, Stanmore Road733 m away | 71 m² | 120 m² | +49 m² +69% | 2018 |
|---|
| 111, St Loys Road988 m away | 85 m² | 133 m² | +48 m² +56% | 2026 |
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| 62, Downhills Way681 m away | 89 m² | 137 m² | +48 m² +54% | 2025 |
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| 28, Bedford Road336 m away | 144 m² | 192 m² | +48 m² +33% | 2024 |
|---|
| 25, Jansons Road599 m away | 137 m² | 185 m² | +48 m² +35% | 2021 |
|---|
| 18, Dunloe Avenue371 m away | 38 m² | 86 m² | +48 m² +126% | 2016 |
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| 13, Linden Road547 m away | 137 m² | 185 m² | +48 m² +35% | 2016 |
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| 136, Sirdar Road977 m away | 78 m² | 126 m² | +48 m² +62% | 2014 |
|---|
| 148, Victoria Crescent901 m away | 48 m² | 96 m² | +48 m² +100% | 2010 |
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| 32, Fairbourne Road600 m away | 115 m² | 162 m² | +47 m² +41% | 2024 |
|---|
| 166, Higham Road486 m away | 87 m² | 134 m² | +47 m² +54% | 2023 |
|---|
| 114, Seaford Road565 m away | 77 m² | 124 m² | +47 m² +61% | 2020 |
|---|
| 102, Harringay Road911 m away | 88 m² | 135 m² | +47 m² +53% | 2020 |
|---|
| 27, Sandringham Road816 m away | 100 m² | 147 m² | +47 m² +47% | 2019 |
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| Flat 3, 5, Belmont Road624 m away | 45 m² | 92 m² | +47 m² +104% | 2018 |
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| 12l, Woodlands Park Road637 m away | 62 m² | 109 m² | +47 m² +76% | 2018 |
|---|
| 301, St Anns Road960 m away | 99 m² | 145 m² | +46 m² +46% | 2023 |
|---|
| 49, Arnold Road904 m away | 107 m² | 153 m² | +46 m² +43% | 2020 |
|---|
| 39, Suffield Road956 m away | 97 m² | 143 m² | +46 m² +47% | 2020 |
|---|
| Flat 1, 4, Etherley Road533 m away | 33 m² | 79 m² | +46 m² +139% | 2013 |
|---|
| 32, Morrison Avenue677 m away | 40 m² | 86 m² | +46 m² +115% | 2012 |
|---|
| 53, Carlingford Road969 m away | 120 m² | 165 m² | +45 m² +38% | 2025 |
|---|
| 210, Downhills Park Road706 m away | 92 m² | 137 m² | +45 m² +49% | 2023 |
|---|
| 6, Waldeck Road825 m away | 117 m² | 162 m² | +45 m² +38% | 2019 |
|---|
| 42b, Park Road965 m away | 53 m² | 98 m² | +45 m² +85% | 2019 |
|---|
| 28, Stanmore Road739 m away | 133 m² | 177 m² | +44 m² +33% | 2023 |
|---|
| 74, Clinton Road353 m away | 72 m² | 116 m² | +44 m² +61% | 2020 |
|---|
| 68, Avondale Road893 m away | 99 m² | 143 m² | +44 m² +44% | 2020 |
|---|
| Flat 1, Marc Court 56-58, West Green Road808 m away | 32 m² | 76 m² | +44 m² +138% | 2019 |
|---|
| 79l, Carlingford Road969 m away | 68 m² | 111 m² | +43 m² +63% | 2026 |
|---|
| 14, Falmer Road485 m away | 74 m² | 117 m² | +43 m² +58% | 2025 |
|---|
| 278, Philip Lane150 m away | 62 m² | 105 m² | +43 m² +69% | 2023 |
|---|
| 112, Ranelagh Road895 m away | 116 m² | 159 m² | +43 m² +37% | 2021 |
|---|
| 182, Mount Pleasant Road945 m away | 53 m² | 96 m² | +43 m² +81% | 2020 |
|---|
| 110, Carlingford Road788 m away | 118 m² | 161 m² | +43 m² +36% | 2019 |
|---|
| 52, Beaconsfield Road698 m away | 51 m² | 94 m² | +43 m² +84% | 2017 |
|---|
| 44, Ritches Road816 m away | 98 m² | 141 m² | +43 m² +44% | 2015 |
|---|
| 201, Langham Road954 m away | 116 m² | 158 m² | +42 m² +36% | 2023 |
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| 113, Roslyn Road532 m away | 80 m² | 122 m² | +42 m² +53% | 2022 |
|---|
| 108, The Avenue922 m away | 57 m² | 99 m² | +42 m² +74% | 2020 |
|---|
| 41a, Clinton Road353 m away | 69 m² | 111 m² | +42 m² +61% | 2019 |
|---|
| 14, Cranleigh Road661 m away | 107 m² | 148 m² | +41 m² +38% | 2026 |
|---|
| 110, Seaford Road565 m away | 81 m² | 122 m² | +41 m² +51% | 2025 |
|---|
| 26, Stanmore Road739 m away | 127 m² | 168 m² | +41 m² +32% | 2024 |
|---|
| 23, Mansfield Avenue111 m away | 75 m² | 116 m² | +41 m² +55% | 2022 |
|---|
| 54, Falmer Road485 m away | 71 m² | 112 m² | +41 m² +58% | 2022 |
|---|
| 4, Bourn Avenue112 m away | 86 m² | 127 m² | +41 m² +48% | 2019 |
|---|
| 85, Carlingford Road969 m away | 36 m² | 77 m² | +41 m² +114% | 2018 |
|---|
| 3, Albany Close751 m away | 57 m² | 97 m² | +40 m² +70% | 2026 |
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| 18, Winchelsea Road808 m away | 100 m² | 140 m² | +40 m² +40% | 2026 |
|---|
| 21, Belmont Avenue629 m away | 35 m² | 75 m² | +40 m² +114% | 2025 |
|---|
| 36, Clonmell Road256 m away | 87 m² | 127 m² | +40 m² +46% | 2024 |
|---|
| 42, Roslyn Road748 m away | 86 m² | 126 m² | +40 m² +47% | 2021 |
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| 1, Hastings Road451 m away | 95 m² | 135 m² | +40 m² +42% | 2017 |
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| 42, Glenwood Road832 m away | 57 m² | 97 m² | +40 m² +70% | 2013 |
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| 50, Clarence Road452 m away | 80 m² | 120 m² | +40 m² +50% | 2012 |
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| 18, Belmont Avenue629 m away | 107 m² | 147 m² | +40 m² +37% | 2011 |
|---|
| 74, Roslyn Road549 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
|---|
| 36, Greyhound Road773 m away | 101 m² | 140 m² | +39 m² +39% | 2024 |
|---|
| 8, Birstall Road885 m away | 77 m² | 116 m² | +39 m² +51% | 2022 |
|---|
| 25, Belmont Avenue629 m away | 114 m² | 153 m² | +39 m² +34% | 2021 |
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| 119, Higham Road520 m away | 87 m² | 125 m² | +38 m² +44% | 2026 |
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| 153, Boundary Road917 m away | 102 m² | 140 m² | +38 m² +37% | 2026 |
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| 40, Gloucester Road384 m away | 115 m² | 153 m² | +38 m² +33% | 2025 |
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| 72, Chester Road571 m away | 120 m² | 158 m² | +38 m² +32% | 2025 |
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| 8, Fairbourne Road600 m away | 68 m² | 106 m² | +38 m² +56% | 2024 |
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| 5, Claire House, Elizabeth Place277 m away | 49 m² | 87 m² | +38 m² +78% | 2023 |
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| 73, Cranleigh Road574 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
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| 43, Mannock Road861 m away | 92 m² | 130 m² | +38 m² +41% | 2019 |
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| Flat 1, 316, Philip Lane0 m away | 28 m² | 66 m² | +38 m² +136% | 2018 |
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| 1, Caversham Road472 m away | 87 m² | 125 m² | +38 m² +44% | 2018 |
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| 20, Clarendon Road698 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
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| 182, St Anns Road842 m away | 54 m² | 91 m² | +37 m² +69% | 2026 |
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| 164, Seaford Road425 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
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| 89, Belmont Road545 m away | 119 m² | 156 m² | +37 m² +31% | 2021 |
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| 156, Roslyn Road549 m away | 85 m² | 122 m² | +37 m² +44% | 2021 |
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| 52, St Margarets Road795 m away | 94 m² | 131 m² | +37 m² +39% | 2021 |
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| 26, Brampton Road852 m away | 102 m² | 139 m² | +37 m² +36% | 2021 |
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| 117, Clonmell Road385 m away | 80 m² | 117 m² | +37 m² +46% | 2019 |
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| 94, Roslyn Road549 m away | 70 m² | 107 m² | +37 m² +53% | 2019 |
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| 42, Oulton Road613 m away | 90 m² | 127 m² | +37 m² +41% | 2017 |
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| 7, Clarendon Road698 m away | 95 m² | 132 m² | +37 m² +39% | 2017 |
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| 85b, Gloucester Road462 m away | 62 m² | 98 m² | +36 m² +58% | 2025 |
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| 93, Langham Road699 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
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| 36, Cissbury Road706 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
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| 38, Ranelagh Road747 m away | 87 m² | 123 m² | +36 m² +41% | 2024 |
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| 39, Avondale Road822 m away | 77 m² | 113 m² | +36 m² +47% | 2024 |
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| 93, Kirkton Road616 m away | 64 m² | 100 m² | +36 m² +56% | 2023 |
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| 18, Station Crescent286 m away | 75 m² | 111 m² | +36 m² +48% | 2022 |
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| 26, Greenfield Road853 m away | 78 m² | 114 m² | +36 m² +46% | 2022 |
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| 146, West Green Road388 m away | 25 m² | 61 m² | +36 m² +144% | 2020 |
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| 33, Clarendon Road698 m away | 97 m² | 133 m² | +36 m² +37% | 2016 |
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| 26, Grove Road766 m away | 49 m² | 85 m² | +36 m² +73% | 2014 |
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| 8, Ripon Road134 m away | 77 m² | 113 m² | +36 m² +47% | 2012 |
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| 179, Philip Lane286 m away | 33 m² | 69 m² | +36 m² +109% | 2010 |
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| 77, Station Crescent341 m away | 74 m² | 110 m² | +36 m² +49% | 2010 |
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| 10, Downhills Park Road151 m away | 24 m² | 59 m² | +35 m² +146% | 2026 |
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| 7, Beaconsfield Road721 m away | 119 m² | 154 m² | +35 m² +29% | 2026 |
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| 64, Clarendon Road698 m away | 85 m² | 120 m² | +35 m² +41% | 2024 |
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| 111, Beaconsfield Road721 m away | 104 m² | 139 m² | +35 m² +34% | 2022 |
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| 77, Greenfield Road752 m away | 86 m² | 121 m² | +35 m² +41% | 2022 |
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| 61, Carlingford Road969 m away | 61 m² | 96 m² | +35 m² +57% | 2021 |
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| 31a, Woodlands Park Road730 m away | 92 m² | 127 m² | +35 m² +38% | 2020 |
|---|
| 36, Etherley Road533 m away | 152 m² | 187 m² | +35 m² +23% | 2019 |
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| 41, Beaconsfield Road721 m away | 102 m² | 137 m² | +35 m² +34% | 2019 |
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| 152, Carlingford Road743 m away | 62 m² | 97 m² | +35 m² +56% | 2018 |
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| 7, Roslyn Road825 m away | 77 m² | 112 m² | +35 m² +45% | 2017 |
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| Flat 48, Stapleford, Willan Road834 m away | 35 m² | 70 m² | +35 m² +100% | 2010 |
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| 136, Harringay Road882 m away | 52 m² | 87 m² | +35 m² +67% | 2009 |
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| 25, Clonmell Road227 m away | 77 m² | 111 m² | +34 m² +44% | 2026 |
|---|
| 81, Roslyn Road532 m away | 87 m² | 121 m² | +34 m² +39% | 2024 |
|---|
| 97, Kirkton Road616 m away | 27 m² | 61 m² | +34 m² +126% | 2024 |
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| 19, Birstall Road885 m away | 79 m² | 113 m² | +34 m² +43% | 2022 |
|---|
| 412, West Green Road712 m away | 55 m² | 89 m² | +34 m² +62% | 2021 |
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| 23, Glenwood Road922 m away | 112 m² | 146 m² | +34 m² +30% | 2021 |
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| 17, Summerhill Road231 m away | 86 m² | 120 m² | +34 m² +40% | 2020 |
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| 18, St Margarets Road795 m away | 76 m² | 110 m² | +34 m² +45% | 2020 |
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| 68, Mount Pleasant Road606 m away | 91 m² | 125 m² | +34 m² +37% | 2019 |
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| 86b, Cornwall Road398 m away | 54 m² | 88 m² | +34 m² +63% | 2017 |
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| 65b, Belmont Avenue629 m away | 57 m² | 91 m² | +34 m² +60% | 2017 |
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| 26, Birstall Road885 m away | 35 m² | 69 m² | +34 m² +97% | 2016 |
|---|
| 51, Langham Road699 m away | 89 m² | 122 m² | +33 m² +37% | 2026 |
|---|
| 83, Clonmell Road385 m away | 75 m² | 108 m² | +33 m² +44% | 2025 |
|---|
| 122, Roslyn Road549 m away | 88 m² | 121 m² | +33 m² +38% | 2022 |
|---|
| 300, Philip Lane0 m away | 66 m² | 99 m² | +33 m² +50% | 2020 |
|---|
| 52, Seaford Road565 m away | 75 m² | 108 m² | +33 m² +44% | 2020 |
|---|
| 103, Roslyn Road532 m away | 68 m² | 101 m² | +33 m² +49% | 2019 |
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| 24, Mansfield Avenue111 m away | 79 m² | 112 m² | +33 m² +42% | 2014 |
|---|
| 6, Gorleston Road457 m away | 43 m² | 76 m² | +33 m² +77% | 2012 |
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| 27, Clinton Road353 m away | 80 m² | 113 m² | +33 m² +41% | 2011 |
|---|
| 5b, Vicarage Parade323 m away | 35 m² | 67 m² | +32 m² +91% | 2026 |
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| 44, Falmer Road485 m away | 73 m² | 105 m² | +32 m² +44% | 2026 |
|---|
| 5, Sandringham Road816 m away | 47 m² | 79 m² | +32 m² +68% | 2025 |
|---|
| 31, Kirkstall Avenue55 m away | 117 m² | 149 m² | +32 m² +27% | 2024 |
|---|
| 62, Clarendon Road698 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
|---|
| 33, Oulton Road613 m away | 69 m² | 101 m² | +32 m² +46% | 2023 |
|---|
| 21, Birstall Road885 m away | 88 m² | 120 m² | +32 m² +36% | 2020 |
|---|
| 6, Roslyn Road825 m away | 78 m² | 110 m² | +32 m² +41% | 2019 |
|---|
| 10, Morrison Avenue677 m away | 54 m² | 86 m² | +32 m² +59% | 2016 |
|---|
| 54, Dongola Road530 m away | 95 m² | 127 m² | +32 m² +34% | 2015 |
|---|
| 67, Ranelagh Road878 m away | 45 m² | 77 m² | +32 m² +71% | 2015 |
|---|
| 23, Lydford Road722 m away | 74 m² | 106 m² | +32 m² +43% | 2011 |
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