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 N5 1NF
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 |
|---|---|---|---|---|
| 2, Baalbec Road691 m away | 96 m² | 205 m² | +109 m² +114% | 2023 |
| 39, Northolme Road786 m away | 121 m² | 229 m² | +108 m² +89% | 2026 |
| 19, Conewood Street419 m away | 96 m² | 190 m² | +94 m² +98% | 2013 |
| Apartment 15, Block A, 36, Hornsey Road451 m away | 69 m² | 156 m² | +87 m² +126% | 2019 |
| 13, Roseleigh Avenue368 m away | 157 m² | 241 m² | +84 m² +54% | 2025 |
| Apartment 12, Block A, 36, Hornsey Road451 m away | 71 m² | 154 m² | +83 m² +117% | 2019 |
| Flat 7, York House, 14, Highbury Crescent730 m away | 84 m² | 166 m² | +82 m² +98% | 2025 |
| 29, Ambler Road810 m away | 81 m² | 163 m² | +82 m² +101% | 2022 |
| 12, Framfield Road |
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.
| 57 m² |
| 138 m² |
| +81 m² +142% |
| 2019 |
| Apartment 8, Block A, 36, Hornsey Road451 m away | 69 m² | 150 m² | +81 m² +117% | 2019 |
|---|
| 2, Nash Terrace428 m away | 221 m² | 297 m² | +76 m² +34% | 2011 |
|---|
| 61, Romilly Road715 m away | 97 m² | 172 m² | +75 m² +77% | 2024 |
|---|
| 19, Salterton Road1000 m away | 75 m² | 150 m² | +75 m² +100% | 2021 |
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| 27, St Thomas'S Road846 m away | 53 m² | 126 m² | +73 m² +138% | 2023 |
|---|
| 3, Sotheby Road661 m away | 181 m² | 253 m² | +72 m² +40% | 2021 |
|---|
| 92, Aberdeen Park825 m away | 94 m² | 164 m² | +70 m² +74% | 2015 |
|---|
| 101, Blackstock Road852 m away | 130 m² | 198 m² | +68 m² +52% | 2020 |
|---|
| 39, Elfort Road143 m away | 105 m² | 172 m² | +67 m² +64% | 2024 |
|---|
| 15, Roden Street778 m away | 81 m² | 148 m² | +67 m² +83% | 2019 |
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| 49, Plimsoll Road697 m away | 95 m² | 162 m² | +67 m² +71% | 2009 |
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| 75, Wilberforce Road972 m away | 177 m² | 243 m² | +66 m² +37% | 2024 |
|---|
| 22, Roden Street806 m away | 110 m² | 176 m² | +66 m² +60% | 2017 |
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| 26, Kelvin Road654 m away | 156 m² | 221 m² | +65 m² +42% | 2026 |
|---|
| 344, Liverpool Road954 m away | 260 m² | 324 m² | +64 m² +25% | 2023 |
|---|
| 136, Highbury Hill153 m away | 167 m² | 231 m² | +64 m² +38% | 2014 |
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| 8, Furlong Road894 m away | 151 m² | 212 m² | +61 m² +40% | 2025 |
|---|
| 20, Arthur Road707 m away | 120 m² | 181 m² | +61 m² +51% | 2022 |
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| 73, Sotheby Road812 m away | 185 m² | 246 m² | +61 m² +33% | 2013 |
|---|
| Apartment 1, Block A, 36, Hornsey Road451 m away | 92 m² | 150 m² | +58 m² +63% | 2019 |
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| 53, Drayton Park369 m away | 44 m² | 102 m² | +58 m² +132% | 2015 |
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| 57, Hamilton Park West270 m away | 106 m² | 163 m² | +57 m² +54% | 2022 |
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| 20, Paradise Passage870 m away | 193 m² | 250 m² | +57 m² +30% | 2019 |
|---|
| 151, Highbury Grove757 m away | 80 m² | 137 m² | +57 m² +71% | 2009 |
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| 120, Plimsoll Road505 m away | 98 m² | 154 m² | +56 m² +57% | 2023 |
|---|
| 68, Whistler Street335 m away | 55 m² | 111 m² | +56 m² +102% | 2017 |
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| 17, Baalbec Road691 m away | 202 m² | 257 m² | +55 m² +27% | 2020 |
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| 47, Monsell Road679 m away | 52 m² | 107 m² | +55 m² +106% | 2018 |
|---|
| 87, Hornsey Road497 m away | 49 m² | 104 m² | +55 m² +112% | 2013 |
|---|
| 7, Balfour Road829 m away | 149 m² | 203 m² | +54 m² +36% | 2025 |
|---|
| 31, Chatterton Road691 m away | 102 m² | 155 m² | +53 m² +52% | 2023 |
|---|
| Flat 41, Carronade Court, Eden Grove909 m away | 45 m² | 98 m² | +53 m² +118% | 2023 |
|---|
| 2, Arvon Road548 m away | 110 m² | 163 m² | +53 m² +48% | 2019 |
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| 137, Plimsoll Road505 m away | 99 m² | 151 m² | +52 m² +53% | 2025 |
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| 72, Riversdale Road939 m away | 148 m² | 200 m² | +52 m² +35% | 2020 |
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| 11, Ardilaun Road636 m away | 176 m² | 228 m² | +52 m² +30% | 2015 |
|---|
| 68, Riversdale Road939 m away | 146 m² | 198 m² | +52 m² +36% | 2013 |
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| 108, Gillespie Road359 m away | 38 m² | 90 m² | +52 m² +137% | 2012 |
|---|
| Flat 5, Wilmington House, Highbury Crescent661 m away | 40 m² | 92 m² | +52 m² +130% | 2011 |
|---|
| 8, Gillespie Road615 m away | 140 m² | 190 m² | +50 m² +36% | 2025 |
|---|
| Flat 47, Twyford House, Elwood Street549 m away | 65 m² | 114 m² | +49 m² +75% | 2025 |
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| Flat C, 38, Aberdeen Road725 m away | 58 m² | 107 m² | +49 m² +84% | 2025 |
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| 1, Loraine Cottages557 m away | 59 m² | 108 m² | +49 m² +83% | 2023 |
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| 111, Finsbury Park Road864 m away | 73 m² | 122 m² | +49 m² +67% | 2023 |
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| 129, Riversdale Road984 m away | 58 m² | 107 m² | +49 m² +84% | 2014 |
|---|
| 79, Balfour Road795 m away | 163 m² | 210 m² | +47 m² +29% | 2026 |
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| The Coach House, 10, Highbury Place927 m away | 44 m² | 91 m² | +47 m² +107% | 2026 |
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| 4, Avenell Road513 m away | 93 m² | 140 m² | +47 m² +51% | 2025 |
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| 67, Canning Road714 m away | 70 m² | 117 m² | +47 m² +67% | 2024 |
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| 56, Ronalds Road549 m away | 59 m² | 106 m² | +47 m² +80% | 2015 |
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| 18, Rock Street971 m away | 39 m² | 86 m² | +47 m² +121% | 2015 |
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| 74, Riversdale Road939 m away | 110 m² | 157 m² | +47 m² +43% | 2012 |
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| 3, Elfort Road143 m away | 96 m² | 142 m² | +46 m² +48% | 2024 |
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| 26, Gillespie Road615 m away | 94 m² | 140 m² | +46 m² +49% | 2022 |
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| 15, Prah Road807 m away | 136 m² | 182 m² | +46 m² +34% | 2022 |
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| 40, Battledean Road435 m away | 128 m² | 174 m² | +46 m² +36% | 2021 |
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| 97, Plimsoll Road602 m away | 56 m² | 102 m² | +46 m² +82% | 2021 |
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| 53, Highbury Hill354 m away | 304 m² | 350 m² | +46 m² +15% | 2018 |
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| 107, Gillespie Road386 m away | 53 m² | 99 m² | +46 m² +87% | 2015 |
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| 125, St Thomas'S Road650 m away | 33 m² | 79 m² | +46 m² +139% | 2011 |
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| Apartment 11, Block A, 36, Hornsey Road451 m away | 62 m² | 107 m² | +45 m² +73% | 2026 |
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| 103, St Thomas'S Road650 m away | 124 m² | 169 m² | +45 m² +36% | 2024 |
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| Flat 50, 100, Drayton Park0 m away | 78 m² | 123 m² | +45 m² +58% | 2023 |
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| 55, Elfort Road143 m away | 114 m² | 159 m² | +45 m² +39% | 2022 |
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| 52, Roden Street806 m away | 113 m² | 158 m² | +45 m² +40% | 2022 |
|---|
| Apartment 18, Block D, 32, Hornsey Road451 m away | 39 m² | 84 m² | +45 m² +115% | 2013 |
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| 5, Chatterton Road691 m away | 39 m² | 84 m² | +45 m² +115% | 2010 |
|---|
| 3, Coleridge Road795 m away | 270 m² | 314 m² | +44 m² +16% | 2025 |
|---|
| 9, Monsell Court, 33 - 41, Monsell Road694 m away | 86 m² | 130 m² | +44 m² +51% | 2019 |
|---|
| Flat D, 33, Highbury Park469 m away | 33 m² | 77 m² | +44 m² +133% | 2015 |
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| 33, Ambler Road810 m away | 40 m² | 84 m² | +44 m² +110% | 2013 |
|---|
| 108, Eaststand Apartments, Highbury Stadium Square353 m away | 76 m² | 120 m² | +44 m² +58% | 2008 |
|---|
| 23, Jackson Road534 m away | 143 m² | 186 m² | +43 m² +30% | 2026 |
|---|
| 20, Highbury Grange696 m away | 49 m² | 92 m² | +43 m² +88% | 2026 |
|---|
| 42, Riversdale Road789 m away | 158 m² | 201 m² | +43 m² +27% | 2024 |
|---|
| 158, Southstand Apartments, Highbury Stadium Square268 m away | 80 m² | 123 m² | +43 m² +54% | 2022 |
|---|
| 74, Aberdeen Road707 m away | 261 m² | 304 m² | +43 m² +16% | 2022 |
|---|
| Apartment 16, Block A, 36, Hornsey Road451 m away | 62 m² | 105 m² | +43 m² +69% | 2021 |
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| 64, Northstand Apartments, Highbury Stadium Square366 m away | 100 m² | 143 m² | +43 m² +43% | 2020 |
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| 52, Romilly Road747 m away | 44 m² | 87 m² | +43 m² +98% | 2020 |
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| 22, Plimsoll Road657 m away | 115 m² | 158 m² | +43 m² +37% | 2014 |
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| 6, Kelross Road790 m away | 163 m² | 206 m² | +43 m² +26% | 2014 |
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| 7, Framfield Road351 m away | 143 m² | 185 m² | +42 m² +29% | 2025 |
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| 37, Bryantwood Road348 m away | 138 m² | 180 m² | +42 m² +30% | 2024 |
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| 5, Conewood Street517 m away | 113 m² | 155 m² | +42 m² +37% | 2021 |
|---|
| 31, Melgund Road604 m away | 139 m² | 181 m² | +42 m² +30% | 2021 |
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| 107, Balfour Road795 m away | 152 m² | 194 m² | +42 m² +28% | 2021 |
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| 29, Aberdeen Road707 m away | 45 m² | 87 m² | +42 m² +93% | 2016 |
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| Flat 12, Radford House, Georges Road654 m away | 46 m² | 88 m² | +42 m² +91% | 2013 |
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| 159, Hornsey Road793 m away | 62 m² | 103 m² | +41 m² +66% | 2025 |
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| 24, Northstand Apartments, Highbury Stadium Square366 m away | 55 m² | 96 m² | +41 m² +75% | 2022 |
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| 122, Calabria Road792 m away | 60 m² | 101 m² | +41 m² +68% | 2022 |
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| 11, Hertslet Road868 m away | 39 m² | 80 m² | +41 m² +105% | 2017 |
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| 44, Riversdale Road789 m away | 170 m² | 211 m² | +41 m² +24% | 2014 |
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| Flat 19, Garand Court, Eden Grove733 m away | 102 m² | 143 m² | +41 m² +40% | 2012 |
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| 73, Calabria Road868 m away | 148 m² | 188 m² | +40 m² +27% | 2024 |
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| 51, Aberdeen Park774 m away | 174 m² | 214 m² | +40 m² +23% | 2023 |
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| 95, Sotheby Road812 m away | 69 m² | 109 m² | +40 m² +58% | 2023 |
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| 20, Buckler Court769 m away | 80 m² | 120 m² | +40 m² +50% | 2020 |
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| 9, Salterton Road1000 m away | 49 m² | 89 m² | +40 m² +82% | 2020 |
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| 212, Northstand Apartments, Highbury Stadium Square366 m away | 83 m² | 123 m² | +40 m² +48% | 2019 |
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| 257, Southstand Apartments, Highbury Stadium Square268 m away | 83 m² | 123 m² | +40 m² +48% | 2009 |
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| 35, Kelvin Road644 m away | 171 m² | 210 m² | +39 m² +23% | 2025 |
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| 253, Southstand Apartments, Highbury Stadium Square268 m away | 72 m² | 111 m² | +39 m² +54% | 2019 |
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| 88, St Thomas'S Road656 m away | 61 m² | 100 m² | +39 m² +64% | 2019 |
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| 2, Aubert Park412 m away | 164 m² | 203 m² | +39 m² +24% | 2015 |
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| 87, Sotheby Road812 m away | 176 m² | 215 m² | +39 m² +22% | 2013 |
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| 28, Warlters Road980 m away | 105 m² | 143 m² | +38 m² +36% | 2026 |
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| 7, Ardilaun Road636 m away | 173 m² | 211 m² | +38 m² +22% | 2025 |
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| 51, Elfort Road143 m away | 136 m² | 174 m² | +38 m² +28% | 2024 |
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| Flat 3, 2, Martineau Road217 m away | 48 m² | 86 m² | +38 m² +79% | 2024 |
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| Flat 7, 73a, Drayton Park71 m away | 54 m² | 92 m² | +38 m² +70% | 2019 |
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| 41, Mayton Street832 m away | 122 m² | 160 m² | +38 m² +31% | 2019 |
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| 17, Horsell Road578 m away | 48 m² | 86 m² | +38 m² +79% | 2013 |
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| 56, Drayton Park152 m away | 41 m² | 79 m² | +38 m² +93% | 2012 |
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| Apartment 17, Block A, 36, Hornsey Road451 m away | 62 m² | 100 m² | +38 m² +61% | 2010 |
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| Apartment 12, Block C, 30, Hornsey Road451 m away | 85 m² | 122 m² | +37 m² +44% | 2025 |
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| Apartment 4, Block A, 36, Hornsey Road451 m away | 66 m² | 103 m² | +37 m² +56% | 2025 |
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| 7, Wyatt Road815 m away | 101 m² | 138 m² | +37 m² +37% | 2025 |
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| 103a, Seven Sisters Road886 m away | 38 m² | 75 m² | +37 m² +97% | 2023 |
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| 72, Sotheby Road812 m away | 204 m² | 241 m² | +37 m² +18% | 2022 |
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| Flat 71, Buckler Court, Eden Grove769 m away | 52 m² | 89 m² | +37 m² +71% | 2021 |
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| 83, Seven Sisters Road893 m away | 67 m² | 104 m² | +37 m² +55% | 2012 |
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| 9, Eaststand Apartments, Highbury Stadium Square353 m away | 87 m² | 124 m² | +37 m² +43% | 2009 |
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| 40, Plimsoll Road657 m away | 181 m² | 217 m² | +36 m² +20% | 2026 |
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| 7, Highbury Terrace Mews454 m away | 92 m² | 128 m² | +36 m² +39% | 2023 |
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| 25, Peckett Square575 m away | 54 m² | 90 m² | +36 m² +67% | 2019 |
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| 16, Chatterton Road660 m away | 101 m² | 137 m² | +36 m² +36% | 2018 |
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| 86, Gillespie Road615 m away | 57 m² | 93 m² | +36 m² +63% | 2015 |
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| 15, Chatterton Road691 m away | 38 m² | 74 m² | +36 m² +95% | 2012 |
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| 10, Travers Road682 m away | 125 m² | 160 m² | +35 m² +28% | 2025 |
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| Flat 4, 48, Highbury Hill138 m away | 79 m² | 114 m² | +35 m² +44% | 2022 |
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| 64, Bryantwood Road325 m away | 151 m² | 186 m² | +35 m² +23% | 2022 |
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| 147, Northstand Apartments, Highbury Stadium Square366 m away | 87 m² | 122 m² | +35 m² +40% | 2022 |
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| 116, Calabria Road792 m away | 165 m² | 200 m² | +35 m² +21% | 2022 |
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| 21, Battledean Road420 m away | 155 m² | 190 m² | +35 m² +23% | 2021 |
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| 214b, Hornsey Road793 m away | 40 m² | 75 m² | +35 m² +88% | 2017 |
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| 35, Chatterton Road691 m away | 111 m² | 145 m² | +34 m² +31% | 2024 |
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| Apartment 7, Block A, 36, Hornsey Road451 m away | 57 m² | 91 m² | +34 m² +60% | 2022 |
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| 347a, Holloway Road913 m away | 115 m² | 149 m² | +34 m² +30% | 2022 |
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| 1, Cobble Mews936 m away | 74 m² | 108 m² | +34 m² +46% | 2022 |
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| 31, Loraine Road626 m away | 49 m² | 83 m² | +34 m² +69% | 2020 |
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| Flat 27, 71c, Drayton Park132 m away | 63 m² | 97 m² | +34 m² +54% | 2017 |
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| 11, Northolme Road633 m away | 59 m² | 93 m² | +34 m² +58% | 2015 |
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| 13, Coleridge Road795 m away | 51 m² | 85 m² | +34 m² +67% | 2015 |
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| 71, Kelross Road615 m away | 98 m² | 132 m² | +34 m² +35% | 2013 |
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| 235, Blackstock Road671 m away | 36 m² | 70 m² | +34 m² +94% | 2011 |
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| 148, Widdenham Road801 m away | 73 m² | 106 m² | +33 m² +45% | 2026 |
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| Flat K, Mulberry Court, 2, Highbury Hill508 m away | 74 m² | 107 m² | +33 m² +45% | 2022 |
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| 40, Chatterton Road660 m away | 109 m² | 142 m² | +33 m² +30% | 2022 |
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| 64, Elwood Street440 m away | 101 m² | 134 m² | +33 m² +33% | 2021 |
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| 38, Liberia Road853 m away | 124 m² | 157 m² | +33 m² +27% | 2020 |
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| Apartment 20, Block A, 36, Hornsey Road451 m away | 42 m² | 75 m² | +33 m² +79% | 2018 |
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| 59, Kelvin Road644 m away | 181 m² | 214 m² | +33 m² +18% | 2017 |
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| 140b, Blackstock Road773 m away | 49 m² | 82 m² | +33 m² +67% | 2016 |
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| 12, Riversdale Road789 m away | 34 m² | 67 m² | +33 m² +97% | 2015 |
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| Apartment 14, Block A, 36, Hornsey Road451 m away | 62 m² | 94 m² | +32 m² +52% | 2026 |
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| 45, Loraine Road626 m away | 47 m² | 79 m² | +32 m² +68% | 2026 |
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| Apartment 3, The School House, 69, Tollington Road622 m away | 30 m² | 62 m² | +32 m² +107% | 2024 |
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| 17, Legard Road480 m away | 107 m² | 139 m² | +32 m² +30% | 2023 |
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| 15, Legard Road480 m away | 99 m² | 131 m² | +32 m² +32% | 2023 |
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| Flat 2, 13, Thane Villas777 m away | 36 m² | 68 m² | +32 m² +89% | 2022 |
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| 37, Mayton Street832 m away | 124 m² | 156 m² | +32 m² +26% | 2022 |
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| 192, Drayton Park283 m away | 140 m² | 172 m² | +32 m² +23% | 2020 |
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| 33, Battledean Road420 m away | 111 m² | 143 m² | +32 m² +29% | 2020 |
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| Flat 1, 127a, St Thomas'S Road599 m away | 103 m² | 135 m² | +32 m² +31% | 2018 |
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| 183, Isledon Road755 m away | 51 m² | 83 m² | +32 m² +63% | 2017 |
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| 28, Legard Road480 m away | 98 m² | 130 m² | +32 m² +33% | 2011 |
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| 16, Melody Lane653 m away | 181 m² | 212 m² | +31 m² +17% | 2026 |
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| 42, Loraine Road626 m away | 98 m² | 129 m² | +31 m² +32% | 2025 |
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| 63, Romilly Road715 m away | 124 m² | 155 m² | +31 m² +25% | 2020 |
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| Flat A, 20, Yonge Park733 m away | 64 m² | 95 m² | +31 m² +48% | 2020 |
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| 41, Roden Street778 m away | 99 m² | 130 m² | +31 m² +31% | 2020 |
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| Flat 7, Park House, 55, Highbury Park468 m away | 61 m² | 92 m² | +31 m² +51% | 2019 |
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| 49, Medina Road705 m away | 148 m² | 179 m² | +31 m² +21% | 2019 |
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| 156, Blackstock Road756 m away | 44 m² | 75 m² | +31 m² +70% | 2019 |
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| 66, Mayton Street894 m away | 122 m² | 153 m² | +31 m² +25% | 2019 |
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| 9, Aubert Road371 m away | 185 m² | 216 m² | +31 m² +17% | 2016 |
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| 16a, Shelburne Road554 m away | 54 m² | 85 m² | +31 m² +57% | 2016 |
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| Flat 5, 100, Drayton Park0 m away | 56 m² | 87 m² | +31 m² +55% | 2014 |
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| 11, Liberia Road835 m away | 113 m² | 144 m² | +31 m² +27% | 2014 |
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| 26, Mountgrove Road984 m away | 55 m² | 86 m² | +31 m² +56% | 2012 |
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| Flat 175, Buckler Court, Eden Grove769 m away | 40 m² | 71 m² | +31 m² +78% | 2009 |
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| 109, Hornsey Road555 m away | 130 m² | 160 m² | +30 m² +23% | 2026 |
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| Apartment 21, 5, Tiltman Place981 m away | 65 m² | 95 m² | +30 m² +46% | 2026 |
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| 21, Canning Road714 m away | 100 m² | 130 m² | +30 m² +30% | 2023 |
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| Apartment 32, 7, Tiltman Place945 m away | 68 m² | 98 m² | +30 m² +44% | 2023 |
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| Flat 2, 58, Ambler Road632 m away | 85 m² | 115 m² | +30 m² +35% | 2022 |
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| 7a, Highbury Crescent889 m away | 100 m² | 130 m² | +30 m² +30% | 2022 |
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| 60, Elwood Street440 m away | 103 m² | 133 m² | +30 m² +29% | 2019 |
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| 53c, Witherington Road481 m away | 49 m² | 79 m² | +30 m² +61% | 2019 |
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