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 6NT
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 Road476 m away | 119 m² | 238 m² | +119 m² +100% | 2014 |
| 126, Boundary Road476 m away | 103 m² | 206 m² | +103 m² +100% | 2014 |
| 226, Boundary Road602 m away | 91 m² | 178 m² | +87 m² +96% | 2015 |
| 65, Walpole Road593 m away | 176 m² | 262 m² | +86 m² +49% | 2024 |
| 6, Balliol Road957 m away | 59 m² | 144 m² | +85 m² +144% | 2014 |
| 43, Meads Road969 m away | 87 m² | 169 m² | +82 m² +94% | 2025 |
| 167, Carlingford Road727 m away | 63 m² | 142 m² | +79 m² +125% | 2026 |
| 71, Handsworth Road391 m away | 103 m² | 182 m² | +79 m² +77% | 2025 |
| 125b, Willingdon Road752 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.
| 79 m² |
| 153 m² |
| +74 m² +94% |
| 2020 |
| 45, Meads Road969 m away | 87 m² | 160 m² | +73 m² +84% | 2026 |
|---|
| 210, West Green Road638 m away | 102 m² | 173 m² | +71 m² +70% | 2026 |
|---|
| 26, Handsworth Road432 m away | 59 m² | 129 m² | +70 m² +119% | 2025 |
|---|
| 131, Russell Avenue880 m away | 89 m² | 159 m² | +70 m² +79% | 2014 |
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| 121, Roslyn Road995 m away | 50 m² | 118 m² | +68 m² +136% | 2026 |
|---|
| 158, Walpole Road543 m away | 85 m² | 153 m² | +68 m² +80% | 2021 |
|---|
| 41, Rusper Road419 m away | 78 m² | 145 m² | +67 m² +86% | 2026 |
|---|
| 18, Drayton Road786 m away | 125 m² | 192 m² | +67 m² +54% | 2026 |
|---|
| 17, Winchelsea Road899 m away | 113 m² | 180 m² | +67 m² +59% | 2023 |
|---|
| 160, Carlingford Road766 m away | 59 m² | 126 m² | +67 m² +114% | 2018 |
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| 4, Alton Road353 m away | 87 m² | 154 m² | +67 m² +77% | 2017 |
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| 45b, Langham Road589 m away | 49 m² | 115 m² | +66 m² +135% | 2024 |
|---|
| 211, Downhills Way558 m away | 90 m² | 155 m² | +65 m² +72% | 2025 |
|---|
| 122, Clonmell Road340 m away | 80 m² | 145 m² | +65 m² +81% | 2021 |
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| 76, Downhills Way368 m away | 80 m² | 145 m² | +65 m² +81% | 2020 |
|---|
| 106, Russell Avenue874 m away | 83 m² | 147 m² | +64 m² +77% | 2026 |
|---|
| 23, Downhills Park Road350 m away | 50 m² | 114 m² | +64 m² +128% | 2023 |
|---|
| 169, Downhills Way558 m away | 92 m² | 156 m² | +64 m² +70% | 2023 |
|---|
| 19, Mannock Road630 m away | 97 m² | 161 m² | +64 m² +66% | 2022 |
|---|
| 37, Rusper Road419 m away | 103 m² | 167 m² | +64 m² +62% | 2019 |
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| 3, Caradon Way731 m away | 61 m² | 125 m² | +64 m² +105% | 2013 |
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| 101, Belmont Road401 m away | 111 m² | 174 m² | +63 m² +57% | 2023 |
|---|
| 58a, Clonmell Road340 m away | 100 m² | 163 m² | +63 m² +63% | 2018 |
|---|
| 29, Dunloe Avenue246 m away | 60 m² | 123 m² | +63 m² +105% | 2015 |
|---|
| 151, Willingdon Road752 m away | 115 m² | 177 m² | +62 m² +54% | 2025 |
|---|
| 29, Ranelagh Road817 m away | 102 m² | 164 m² | +62 m² +61% | 2023 |
|---|
| 25, Keston Road384 m away | 108 m² | 168 m² | +60 m² +56% | 2026 |
|---|
| 7, Belmont Avenue478 m away | 61 m² | 121 m² | +60 m² +98% | 2025 |
|---|
| 95, Langham Road608 m away | 58 m² | 118 m² | +60 m² +103% | 2025 |
|---|
| 281, Mount Pleasant Road860 m away | 64 m² | 124 m² | +60 m² +94% | 2014 |
|---|
| 7, Drayton Road786 m away | 58 m² | 117 m² | +59 m² +102% | 2018 |
|---|
| 28, Willingdon Road896 m away | 121 m² | 179 m² | +58 m² +48% | 2016 |
|---|
| 14, Dongola Road550 m away | 62 m² | 119 m² | +57 m² +92% | 2018 |
|---|
| 99, Greyhound Road932 m away | 46 m² | 103 m² | +57 m² +124% | 2009 |
|---|
| 48, Downhills Avenue224 m away | 85 m² | 141 m² | +56 m² +66% | 2025 |
|---|
| 196a, Langham Road837 m away | 66 m² | 122 m² | +56 m² +85% | 2025 |
|---|
| 110, Langham Road596 m away | 117 m² | 173 m² | +56 m² +48% | 2023 |
|---|
| 11, Mannock Road803 m away | 113 m² | 169 m² | +56 m² +50% | 2022 |
|---|
| 84, Walpole Road254 m away | 81 m² | 136 m² | +55 m² +68% | 2025 |
|---|
| 22, Loxwood Road718 m away | 126 m² | 181 m² | +55 m² +44% | 2025 |
|---|
| 16, Lordsmead Road926 m away | 71 m² | 126 m² | +55 m² +77% | 2010 |
|---|
| 112, Carlingford Road703 m away | 54 m² | 108 m² | +54 m² +100% | 2023 |
|---|
| 26, Lordsmead Road926 m away | 110 m² | 164 m² | +54 m² +49% | 2023 |
|---|
| 6, Higham Road557 m away | 115 m² | 169 m² | +54 m² +47% | 2020 |
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| 9, Alfoxton Avenue956 m away | 62 m² | 116 m² | +54 m² +87% | 2015 |
|---|
| 214, West Green Road638 m away | 83 m² | 136 m² | +53 m² +64% | 2025 |
|---|
| 173, Philip Lane548 m away | 83 m² | 136 m² | +53 m² +64% | 2024 |
|---|
| 158, Carlingford Road766 m away | 132 m² | 185 m² | +53 m² +40% | 2024 |
|---|
| 8, Boreham Road770 m away | 99 m² | 152 m² | +53 m² +54% | 2022 |
|---|
| 95, Boundary Road635 m away | 103 m² | 156 m² | +53 m² +51% | 2018 |
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| 3, Chandos Road870 m away | 76 m² | 129 m² | +53 m² +70% | 2012 |
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| 88, Gloucester Road459 m away | 112 m² | 165 m² | +53 m² +47% | 2011 |
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| 147, Boundary Road506 m away | 119 m² | 171 m² | +52 m² +44% | 2021 |
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| 162, Walpole Road543 m away | 99 m² | 151 m² | +52 m² +53% | 2012 |
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| 30, Kirkstall Avenue418 m away | 112 m² | 163 m² | +51 m² +46% | 2025 |
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| 92, Downhills Way368 m away | 88 m² | 138 m² | +50 m² +57% | 2024 |
|---|
| 22, Mansfield Avenue577 m away | 83 m² | 133 m² | +50 m² +60% | 2023 |
|---|
| 307, Lordship Lane689 m away | 76 m² | 126 m² | +50 m² +66% | 2022 |
|---|
| 214, Boundary Road602 m away | 122 m² | 172 m² | +50 m² +41% | 2021 |
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| 35, Cranleigh Road928 m away | 116 m² | 166 m² | +50 m² +43% | 2014 |
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| 16, Steele Road880 m away | 61 m² | 111 m² | +50 m² +82% | 2013 |
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| 24, Graham Road886 m away | 82 m² | 131 m² | +49 m² +60% | 2026 |
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| Zinnia, Stanmore Road692 m away | 71 m² | 120 m² | +49 m² +69% | 2018 |
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| 111, St Loys Road951 m away | 85 m² | 133 m² | +48 m² +56% | 2026 |
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| 62, Downhills Way249 m away | 89 m² | 137 m² | +48 m² +54% | 2025 |
|---|
| 28, Bedford Road736 m away | 144 m² | 192 m² | +48 m² +33% | 2024 |
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| 12, Lordsmead Road926 m away | 133 m² | 181 m² | +48 m² +36% | 2024 |
|---|
| 25, Jansons Road801 m away | 137 m² | 185 m² | +48 m² +35% | 2021 |
|---|
| 37, Willingdon Road913 m away | 102 m² | 150 m² | +48 m² +47% | 2018 |
|---|
| 18, Dunloe Avenue273 m away | 38 m² | 86 m² | +48 m² +126% | 2016 |
|---|
| 13, Linden Road644 m away | 137 m² | 185 m² | +48 m² +35% | 2016 |
|---|
| 136, Sirdar Road630 m away | 78 m² | 126 m² | +48 m² +62% | 2014 |
|---|
| 223, Gladstone Avenue972 m away | 100 m² | 147 m² | +47 m² +47% | 2026 |
|---|
| 149, Russell Avenue811 m away | 131 m² | 178 m² | +47 m² +36% | 2025 |
|---|
| 32, Fairbourne Road566 m away | 115 m² | 162 m² | +47 m² +41% | 2024 |
|---|
| 166, Higham Road90 m away | 87 m² | 134 m² | +47 m² +54% | 2023 |
|---|
| 27, Sandringham Road402 m away | 100 m² | 147 m² | +47 m² +47% | 2019 |
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| Flat 3, 5, Belmont Road653 m away | 45 m² | 92 m² | +47 m² +104% | 2018 |
|---|
| 12l, Woodlands Park Road867 m away | 62 m² | 109 m² | +47 m² +76% | 2018 |
|---|
| 77, Lordsmead Road962 m away | 89 m² | 136 m² | +47 m² +53% | 2012 |
|---|
| Flat 1, 4, Etherley Road813 m away | 33 m² | 79 m² | +46 m² +139% | 2013 |
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| 32, Morrison Avenue712 m away | 40 m² | 86 m² | +46 m² +115% | 2012 |
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| 53, Carlingford Road810 m away | 120 m² | 165 m² | +45 m² +38% | 2025 |
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| 210, Downhills Park Road481 m away | 92 m² | 137 m² | +45 m² +49% | 2023 |
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| 51, Topham Square968 m away | 73 m² | 118 m² | +45 m² +62% | 2021 |
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| 6, Waldeck Road742 m away | 117 m² | 162 m² | +45 m² +38% | 2019 |
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| 28, Stanmore Road718 m away | 133 m² | 177 m² | +44 m² +33% | 2023 |
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| 74, Clinton Road734 m away | 72 m² | 116 m² | +44 m² +61% | 2020 |
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| 79l, Carlingford Road810 m away | 68 m² | 111 m² | +43 m² +63% | 2026 |
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| 14, Falmer Road893 m away | 74 m² | 117 m² | +43 m² +58% | 2025 |
|---|
| 278, Philip Lane436 m away | 62 m² | 105 m² | +43 m² +69% | 2023 |
|---|
| 147, Russell Avenue811 m away | 89 m² | 132 m² | +43 m² +48% | 2022 |
|---|
| 112, Ranelagh Road907 m away | 116 m² | 159 m² | +43 m² +37% | 2021 |
|---|
| 182, Mount Pleasant Road749 m away | 53 m² | 96 m² | +43 m² +81% | 2020 |
|---|
| 110, Carlingford Road703 m away | 118 m² | 161 m² | +43 m² +36% | 2019 |
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| 9, Spigurnell Road835 m away | 69 m² | 112 m² | +43 m² +62% | 2014 |
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| 196, Lymington Avenue951 m away | 39 m² | 82 m² | +43 m² +110% | 2013 |
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| 204, Boundary Road602 m away | 65 m² | 108 m² | +43 m² +66% | 2009 |
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| 201, Langham Road776 m away | 116 m² | 158 m² | +42 m² +36% | 2023 |
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| 113, Roslyn Road995 m away | 80 m² | 122 m² | +42 m² +53% | 2022 |
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| 132, Hewitt Avenue901 m away | 44 m² | 86 m² | +42 m² +95% | 2021 |
|---|
| 108, The Avenue792 m away | 57 m² | 99 m² | +42 m² +74% | 2020 |
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| 41a, Clinton Road734 m away | 69 m² | 111 m² | +42 m² +61% | 2019 |
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| 14, Cranleigh Road955 m away | 107 m² | 148 m² | +41 m² +38% | 2026 |
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| 26, Stanmore Road718 m away | 127 m² | 168 m² | +41 m² +32% | 2024 |
|---|
| 23, Mansfield Avenue577 m away | 75 m² | 116 m² | +41 m² +55% | 2022 |
|---|
| 53, Tower Gardens Road769 m away | 77 m² | 118 m² | +41 m² +53% | 2022 |
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| 54, Falmer Road893 m away | 71 m² | 112 m² | +41 m² +58% | 2022 |
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| 4, Bourn Avenue577 m away | 86 m² | 127 m² | +41 m² +48% | 2019 |
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| 3, Albany Close892 m away | 57 m² | 97 m² | +40 m² +70% | 2026 |
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| 18, Winchelsea Road921 m away | 100 m² | 140 m² | +40 m² +40% | 2026 |
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| 21, Belmont Avenue478 m away | 35 m² | 75 m² | +40 m² +114% | 2025 |
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| 36, Clonmell Road383 m away | 87 m² | 127 m² | +40 m² +46% | 2024 |
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| 41, Sirdar Road631 m away | 62 m² | 102 m² | +40 m² +65% | 2022 |
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| 72, Willingdon Road761 m away | 113 m² | 153 m² | +40 m² +35% | 2021 |
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| 1, Hastings Road182 m away | 95 m² | 135 m² | +40 m² +42% | 2017 |
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| 347, Lordship Lane682 m away | 83 m² | 123 m² | +40 m² +48% | 2014 |
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| 10, Hawke Park Road733 m away | 86 m² | 126 m² | +40 m² +47% | 2014 |
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| 42, Glenwood Road997 m away | 57 m² | 97 m² | +40 m² +70% | 2013 |
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| 50, Clarence Road849 m away | 80 m² | 120 m² | +40 m² +50% | 2012 |
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| 18, Belmont Avenue478 m away | 107 m² | 147 m² | +40 m² +37% | 2011 |
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| 7, Bourn Avenue577 m away | 42 m² | 82 m² | +40 m² +95% | 2008 |
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| 36, Greyhound Road867 m away | 101 m² | 140 m² | +39 m² +39% | 2024 |
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| 25, Belmont Avenue478 m away | 114 m² | 153 m² | +39 m² +34% | 2021 |
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| 83, Willingdon Road752 m away | 46 m² | 85 m² | +39 m² +85% | 2020 |
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| 119, Higham Road89 m away | 87 m² | 125 m² | +38 m² +44% | 2026 |
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| 153, Boundary Road506 m away | 102 m² | 140 m² | +38 m² +37% | 2026 |
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| 52, St Loy'S Road990 m away | 89 m² | 127 m² | +38 m² +43% | 2026 |
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| 72, Chester Road442 m away | 120 m² | 158 m² | +38 m² +32% | 2025 |
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| 40, Gloucester Road459 m away | 115 m² | 153 m² | +38 m² +33% | 2025 |
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| 41, Willingdon Road913 m away | 111 m² | 149 m² | +38 m² +34% | 2025 |
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| 8, Fairbourne Road566 m away | 68 m² | 106 m² | +38 m² +56% | 2024 |
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| 5, Claire House, Elizabeth Place597 m away | 49 m² | 87 m² | +38 m² +78% | 2023 |
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| 73, Cranleigh Road905 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
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| 43, Mannock Road630 m away | 92 m² | 130 m² | +38 m² +41% | 2019 |
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| Flat 1, 316, Philip Lane469 m away | 28 m² | 66 m² | +38 m² +136% | 2018 |
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| 1, Caversham Road639 m away | 87 m² | 125 m² | +38 m² +44% | 2018 |
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| 69, Westbury Avenue729 m away | 32 m² | 70 m² | +38 m² +119% | 2017 |
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| 43, Clinton Road734 m away | 48 m² | 86 m² | +38 m² +79% | 2017 |
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| 20, Clarendon Road876 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
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| 137, Downhills Way558 m away | 103 m² | 140 m² | +37 m² +36% | 2022 |
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| 164, Seaford Road891 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
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| 89, Belmont Road401 m away | 119 m² | 156 m² | +37 m² +31% | 2021 |
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| 52, St Margarets Road729 m away | 94 m² | 131 m² | +37 m² +39% | 2021 |
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| 117, Clonmell Road319 m away | 80 m² | 117 m² | +37 m² +46% | 2019 |
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| 16, Sandra Close919 m away | 84 m² | 121 m² | +37 m² +44% | 2019 |
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| 7, Clarendon Road876 m away | 95 m² | 132 m² | +37 m² +39% | 2017 |
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| 85b, Gloucester Road366 m away | 62 m² | 98 m² | +36 m² +58% | 2025 |
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| 93, Langham Road608 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
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| 38, Ranelagh Road817 m away | 87 m² | 123 m² | +36 m² +41% | 2024 |
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| 18, Station Crescent703 m away | 75 m² | 111 m² | +36 m² +48% | 2022 |
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| 146, West Green Road823 m away | 25 m² | 61 m² | +36 m² +144% | 2020 |
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| 463a, Lordship Lane851 m away | 57 m² | 93 m² | +36 m² +63% | 2018 |
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| 33, Clarendon Road876 m away | 97 m² | 133 m² | +36 m² +37% | 2016 |
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| 8, Ripon Road336 m away | 77 m² | 113 m² | +36 m² +47% | 2012 |
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| 179, Philip Lane548 m away | 33 m² | 69 m² | +36 m² +109% | 2010 |
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| 55, Clinton Road734 m away | 41 m² | 77 m² | +36 m² +88% | 2010 |
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| 77, Station Crescent749 m away | 74 m² | 110 m² | +36 m² +49% | 2010 |
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| 64, Clarendon Road876 m away | 85 m² | 120 m² | +35 m² +41% | 2024 |
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| 201, Westbury Avenue748 m away | 109 m² | 144 m² | +35 m² +32% | 2023 |
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| 61, Carlingford Road810 m away | 61 m² | 96 m² | +35 m² +57% | 2021 |
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| 31a, Woodlands Park Road951 m away | 92 m² | 127 m² | +35 m² +38% | 2020 |
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| 36, Etherley Road813 m away | 152 m² | 187 m² | +35 m² +23% | 2019 |
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| 152, Carlingford Road766 m away | 62 m² | 97 m² | +35 m² +56% | 2018 |
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| 246, Langham Road989 m away | 77 m² | 112 m² | +35 m² +45% | 2014 |
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| 196, Boundary Road602 m away | 106 m² | 141 m² | +35 m² +33% | 2013 |
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| Flat 48, Stapleford, Willan Road590 m away | 35 m² | 70 m² | +35 m² +100% | 2010 |
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| 136, Harringay Road946 m away | 52 m² | 87 m² | +35 m² +67% | 2009 |
|---|
| 25, Clonmell Road375 m away | 77 m² | 111 m² | +34 m² +44% | 2026 |
|---|
| 81, Roslyn Road995 m away | 87 m² | 121 m² | +34 m² +39% | 2024 |
|---|
| 412, West Green Road776 m away | 55 m² | 89 m² | +34 m² +62% | 2021 |
|---|
| 248, Langham Road989 m away | 54 m² | 88 m² | +34 m² +63% | 2021 |
|---|
| 70, St Loy'S Road990 m away | 101 m² | 135 m² | +34 m² +34% | 2021 |
|---|
| 17, Summerhill Road664 m away | 86 m² | 120 m² | +34 m² +40% | 2020 |
|---|
| 18, St Margarets Road729 m away | 76 m² | 110 m² | +34 m² +45% | 2020 |
|---|
| 68, Mount Pleasant Road641 m away | 91 m² | 125 m² | +34 m² +37% | 2019 |
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| 35, Graham Road833 m away | 81 m² | 115 m² | +34 m² +42% | 2019 |
|---|
| 65b, Belmont Avenue478 m away | 57 m² | 91 m² | +34 m² +60% | 2017 |
|---|
| 86b, Cornwall Road838 m away | 54 m² | 88 m² | +34 m² +63% | 2017 |
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| 138, Walpole Road543 m away | 104 m² | 137 m² | +33 m² +32% | 2026 |
|---|
| 51, Langham Road608 m away | 89 m² | 122 m² | +33 m² +37% | 2026 |
|---|
| 83, Clonmell Road319 m away | 75 m² | 108 m² | +33 m² +44% | 2025 |
|---|
| 207a, Langham Road939 m away | 59 m² | 92 m² | +33 m² +56% | 2024 |
|---|
| 33, Sirdar Road750 m away | 61 m² | 94 m² | +33 m² +54% | 2023 |
|---|
| 3, Graham Road833 m away | 79 m² | 112 m² | +33 m² +42% | 2023 |
|---|
| 82, St Loys Road990 m away | 80 m² | 113 m² | +33 m² +41% | 2022 |
|---|
| 86, Graham Road781 m away | 73 m² | 106 m² | +33 m² +45% | 2021 |
|---|
| 26, Carlingford Road863 m away | 110 m² | 143 m² | +33 m² +30% | 2020 |
|---|
| 103, Roslyn Road995 m away | 68 m² | 101 m² | +33 m² +49% | 2019 |
|---|
| 189, Westbury Avenue748 m away | 90 m² | 123 m² | +33 m² +37% | 2015 |
|---|
| 24, Mansfield Avenue577 m away | 79 m² | 112 m² | +33 m² +42% | 2014 |
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