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 3TL
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 |
|---|---|---|---|---|
| 101, Wightman Road744 m away | 113 m² | 208 m² | +95 m² +84% | 2026 |
| 90, Wightman Road708 m away | 79 m² | 172 m² | +93 m² +118% | 2021 |
| 55, Beresford Road725 m away | 70 m² | 163 m² | +93 m² +133% | 2021 |
| 17, Falkland Road933 m away | 68 m² | 158 m² | +90 m² +132% | 2023 |
| 192, Stapleton Hall Road932 m away | 65 m² | 145 m² | +80 m² +123% | 2024 |
| 167, Carlingford Road700 m away | 63 m² | 142 m² | +79 m² +125% | 2026 |
| 92, Hampden Road989 m away | 95 m² | 172 m² | +77 m² +81% | 2011 |
| 85, Allison Road531 m away | 122 m² | 196 m² | +74 m² +61% | 2013 |
| 19, Warham Road600 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.
| 50 m² |
| 124 m² |
| +74 m² +148% |
| 2012 |
| 39, Pemberton Road591 m away | 60 m² | 133 m² | +73 m² +122% | 2017 |
|---|
| 210, West Green Road864 m away | 102 m² | 173 m² | +71 m² +70% | 2026 |
|---|
| 36, Beechfield Road558 m away | 92 m² | 163 m² | +71 m² +77% | 2022 |
|---|
| 135, Effingham Road661 m away | 111 m² | 180 m² | +69 m² +62% | 2021 |
|---|
| 121, Roslyn Road940 m away | 50 m² | 118 m² | +68 m² +136% | 2026 |
|---|
| 31, Mattison Road575 m away | 57 m² | 125 m² | +68 m² +119% | 2009 |
|---|
| 11, Chesterfield Gardens228 m away | 107 m² | 174 m² | +67 m² +63% | 2024 |
|---|
| 160, Carlingford Road695 m away | 59 m² | 126 m² | +67 m² +114% | 2018 |
|---|
| 45b, Langham Road685 m away | 49 m² | 115 m² | +66 m² +135% | 2024 |
|---|
| 42, Lothair Road North638 m away | 106 m² | 171 m² | +65 m² +61% | 2025 |
|---|
| 129, Seymour Road439 m away | 124 m² | 189 m² | +65 m² +52% | 2022 |
|---|
| 26, Roseberry Gardens263 m away | 86 m² | 151 m² | +65 m² +76% | 2021 |
|---|
| 70, Warham Road596 m away | 63 m² | 128 m² | +65 m² +103% | 2019 |
|---|
| 60, Warham Road596 m away | 65 m² | 130 m² | +65 m² +100% | 2014 |
|---|
| 75, Woodlands Park Road192 m away | 96 m² | 160 m² | +64 m² +67% | 2023 |
|---|
| 3, Caradon Way804 m away | 61 m² | 125 m² | +64 m² +105% | 2013 |
|---|
| 43, Effingham Road786 m away | 98 m² | 161 m² | +63 m² +64% | 2024 |
|---|
| 101, Belmont Road973 m away | 111 m² | 174 m² | +63 m² +57% | 2023 |
|---|
| 331, Green Lanes636 m away | 55 m² | 117 m² | +62 m² +113% | 2013 |
|---|
| 24, Eade Road793 m away | 120 m² | 182 m² | +62 m² +52% | 2011 |
|---|
| 90, Lausanne Road909 m away | 70 m² | 131 m² | +61 m² +87% | 2026 |
|---|
| 82, Cavendish Road471 m away | 124 m² | 185 m² | +61 m² +49% | 2018 |
|---|
| 113, Allison Road531 m away | 134 m² | 195 m² | +61 m² +46% | 2018 |
|---|
| 25, Keston Road963 m away | 108 m² | 168 m² | +60 m² +56% | 2026 |
|---|
| 95, Langham Road880 m away | 58 m² | 118 m² | +60 m² +103% | 2025 |
|---|
| 7, Belmont Avenue968 m away | 61 m² | 121 m² | +60 m² +98% | 2025 |
|---|
| 27, Effingham Road786 m away | 98 m² | 158 m² | +60 m² +61% | 2021 |
|---|
| 132, Roslyn Road923 m away | 85 m² | 145 m² | +60 m² +71% | 2021 |
|---|
| 111, Glenwood Road350 m away | 97 m² | 156 m² | +59 m² +61% | 2019 |
|---|
| 38, Beresford Road701 m away | 108 m² | 166 m² | +58 m² +54% | 2023 |
|---|
| 20, Lothair Road South881 m away | 131 m² | 189 m² | +58 m² +44% | 2023 |
|---|
| 67, Fairfax Road827 m away | 59 m² | 117 m² | +58 m² +98% | 2018 |
|---|
| 57, Falkland Road787 m away | 114 m² | 171 m² | +57 m² +50% | 2026 |
|---|
| 19, Salisbury Road243 m away | 45 m² | 101 m² | +56 m² +124% | 2024 |
|---|
| 110, Langham Road921 m away | 117 m² | 173 m² | +56 m² +48% | 2023 |
|---|
| 72, Kimberley Gardens104 m away | 101 m² | 157 m² | +56 m² +55% | 2022 |
|---|
| 45, Oakdale Road508 m away | 89 m² | 145 m² | +56 m² +63% | 2021 |
|---|
| 71, Harringay Road450 m away | 89 m² | 145 m² | +56 m² +63% | 2019 |
|---|
| 196, Stapleton Hall Road932 m away | 252 m² | 307 m² | +55 m² +22% | 2026 |
|---|
| 45, Hewitt Road635 m away | 120 m² | 175 m² | +55 m² +46% | 2022 |
|---|
| 65, Oakdale Road508 m away | 46 m² | 100 m² | +54 m² +117% | 2026 |
|---|
| 112, Carlingford Road870 m away | 54 m² | 108 m² | +54 m² +100% | 2023 |
|---|
| 34, Pemberton Road610 m away | 127 m² | 181 m² | +54 m² +43% | 2022 |
|---|
| 25, Oakdale Road508 m away | 82 m² | 136 m² | +54 m² +66% | 2018 |
|---|
| 25, Warham Road600 m away | 124 m² | 178 m² | +54 m² +44% | 2016 |
|---|
| 9, Alfoxton Avenue785 m away | 62 m² | 116 m² | +54 m² +87% | 2015 |
|---|
| 214, West Green Road864 m away | 83 m² | 136 m² | +53 m² +64% | 2025 |
|---|
| 158, Carlingford Road695 m away | 132 m² | 185 m² | +53 m² +40% | 2024 |
|---|
| 33, Ritches Road145 m away | 45 m² | 98 m² | +53 m² +118% | 2012 |
|---|
| 204, Hermitage Road624 m away | 80 m² | 132 m² | +52 m² +65% | 2026 |
|---|
| 434, St Anns Road302 m away | 58 m² | 110 m² | +52 m² +90% | 2025 |
|---|
| 111, Seymour Road439 m away | 99 m² | 151 m² | +52 m² +53% | 2024 |
|---|
| 61, Falkland Road787 m away | 119 m² | 171 m² | +52 m² +44% | 2024 |
|---|
| 48, Chesterfield Gardens207 m away | 100 m² | 151 m² | +51 m² +51% | 2025 |
|---|
| 53, Warham Road600 m away | 117 m² | 168 m² | +51 m² +44% | 2024 |
|---|
| 150, Roslyn Road923 m away | 79 m² | 130 m² | +51 m² +65% | 2024 |
|---|
| 47, Oakdale Road508 m away | 84 m² | 135 m² | +51 m² +61% | 2023 |
|---|
| 6, Atterbury Road772 m away | 121 m² | 172 m² | +51 m² +42% | 2017 |
|---|
| 91, Burgoyne Road513 m away | 53 m² | 104 m² | +51 m² +96% | 2015 |
|---|
| 15, Harringay Road368 m away | 95 m² | 145 m² | +50 m² +53% | 2026 |
|---|
| 22, Mansfield Avenue935 m away | 83 m² | 133 m² | +50 m² +60% | 2023 |
|---|
| 57, Pemberton Road591 m away | 190 m² | 240 m² | +50 m² +26% | 2021 |
|---|
| 35, Cranleigh Road338 m away | 116 m² | 166 m² | +50 m² +43% | 2014 |
|---|
| 48, Salisbury Road214 m away | 38 m² | 88 m² | +50 m² +132% | 2009 |
|---|
| 153, Wightman Road803 m away | 48 m² | 97 m² | +49 m² +102% | 2023 |
|---|
| 35, Rutland Gardens292 m away | 60 m² | 109 m² | +49 m² +82% | 2022 |
|---|
| 68, Beresford Road701 m away | 118 m² | 167 m² | +49 m² +42% | 2022 |
|---|
| 70, Seymour Road616 m away | 111 m² | 160 m² | +49 m² +44% | 2020 |
|---|
| 15, Hermitage Road691 m away | 54 m² | 103 m² | +49 m² +91% | 2019 |
|---|
| Zinnia, Stanmore Road801 m away | 71 m² | 120 m² | +49 m² +69% | 2018 |
|---|
| 7, Seymour Road622 m away | 116 m² | 165 m² | +49 m² +42% | 2016 |
|---|
| 13, Umfreville Road653 m away | 58 m² | 107 m² | +49 m² +84% | 2014 |
|---|
| 88, Rutland Gardens243 m away | 90 m² | 139 m² | +49 m² +54% | 2009 |
|---|
| 106, Hewitt Road459 m away | 131 m² | 179 m² | +48 m² +37% | 2024 |
|---|
| 72, Falkland Road762 m away | 105 m² | 153 m² | +48 m² +46% | 2022 |
|---|
| 494, Seven Sisters Road942 m away | 97 m² | 145 m² | +48 m² +49% | 2021 |
|---|
| 13, Linden Road668 m away | 137 m² | 185 m² | +48 m² +35% | 2016 |
|---|
| 77, Allison Road531 m away | 127 m² | 174 m² | +47 m² +37% | 2026 |
|---|
| 15, Chesterfield Gardens228 m away | 116 m² | 163 m² | +47 m² +41% | 2025 |
|---|
| 10, Frobisher Road974 m away | 122 m² | 169 m² | +47 m² +39% | 2025 |
|---|
| 102, Harringay Road431 m away | 88 m² | 135 m² | +47 m² +53% | 2020 |
|---|
| 63, Falkland Road787 m away | 117 m² | 164 m² | +47 m² +40% | 2020 |
|---|
| 12l, Woodlands Park Road409 m away | 62 m² | 109 m² | +47 m² +76% | 2018 |
|---|
| Flat 3, 5, Belmont Road724 m away | 45 m² | 92 m² | +47 m² +104% | 2018 |
|---|
| 143, Effingham Road661 m away | 53 m² | 99 m² | +46 m² +87% | 2025 |
|---|
| 301, St Anns Road0 m away | 99 m² | 145 m² | +46 m² +46% | 2023 |
|---|
| 41, Fairfax Road827 m away | 94 m² | 140 m² | +46 m² +49% | 2018 |
|---|
| Flat 1, 4, Etherley Road454 m away | 33 m² | 79 m² | +46 m² +139% | 2013 |
|---|
| 5a, Beechfield Road526 m away | 76 m² | 121 m² | +45 m² +59% | 2026 |
|---|
| 9, Berkeley Road986 m away | 80 m² | 125 m² | +45 m² +56% | 2025 |
|---|
| 28, Lausanne Road997 m away | 53 m² | 98 m² | +45 m² +85% | 2025 |
|---|
| 54, Beresford Road701 m away | 123 m² | 168 m² | +45 m² +37% | 2023 |
|---|
| 492, Seven Sisters Road942 m away | 72 m² | 117 m² | +45 m² +63% | 2023 |
|---|
| 108, Mattison Road388 m away | 66 m² | 111 m² | +45 m² +68% | 2022 |
|---|
| 258, Hermitage Road629 m away | 87 m² | 132 m² | +45 m² +52% | 2022 |
|---|
| 42b, Park Road546 m away | 53 m² | 98 m² | +45 m² +85% | 2019 |
|---|
| 6, Waldeck Road869 m away | 117 m² | 162 m² | +45 m² +38% | 2019 |
|---|
| 114, Seymour Road426 m away | 128 m² | 172 m² | +44 m² +34% | 2025 |
|---|
| 28, Stanmore Road769 m away | 133 m² | 177 m² | +44 m² +33% | 2023 |
|---|
| 11, Coningsby Road839 m away | 127 m² | 171 m² | +44 m² +35% | 2021 |
|---|
| 68, Avondale Road237 m away | 99 m² | 143 m² | +44 m² +44% | 2020 |
|---|
| 74, Clinton Road610 m away | 72 m² | 116 m² | +44 m² +61% | 2020 |
|---|
| 47c, Warham Road600 m away | 52 m² | 96 m² | +44 m² +85% | 2018 |
|---|
| 22, Beresford Road701 m away | 101 m² | 145 m² | +44 m² +44% | 2017 |
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| 127, Beresford Road579 m away | 109 m² | 152 m² | +43 m² +39% | 2026 |
|---|
| 22, Pemberton Road610 m away | 134 m² | 177 m² | +43 m² +32% | 2026 |
|---|
| 47, Chesterfield Gardens121 m away | 104 m² | 147 m² | +43 m² +41% | 2025 |
|---|
| 14, Falmer Road522 m away | 74 m² | 117 m² | +43 m² +58% | 2025 |
|---|
| 58, Allison Road668 m away | 62 m² | 105 m² | +43 m² +69% | 2025 |
|---|
| 48, Kimberley Gardens104 m away | 99 m² | 142 m² | +43 m² +43% | 2024 |
|---|
| 69, Effingham Road786 m away | 95 m² | 138 m² | +43 m² +45% | 2020 |
|---|
| 29, Warwick Gardens235 m away | 112 m² | 155 m² | +43 m² +38% | 2019 |
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| 110, Carlingford Road870 m away | 118 m² | 161 m² | +43 m² +36% | 2019 |
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| 122, Allison Road501 m away | 127 m² | 170 m² | +43 m² +34% | 2018 |
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| 20, Fairfax Road816 m away | 80 m² | 123 m² | +43 m² +54% | 2017 |
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| 44, Ritches Road145 m away | 98 m² | 141 m² | +43 m² +44% | 2015 |
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| 11, Colina Road406 m away | 44 m² | 86 m² | +42 m² +95% | 2026 |
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| 47, Effingham Road786 m away | 99 m² | 141 m² | +42 m² +42% | 2024 |
|---|
| 113, Roslyn Road940 m away | 80 m² | 122 m² | +42 m² +53% | 2022 |
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| 64, Duckett Road433 m away | 157 m² | 199 m² | +42 m² +27% | 2020 |
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| 41a, Clinton Road610 m away | 69 m² | 111 m² | +42 m² +61% | 2019 |
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| 14, Cranleigh Road312 m away | 107 m² | 148 m² | +41 m² +38% | 2026 |
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| 115, Rutland Gardens218 m away | 100 m² | 141 m² | +41 m² +41% | 2025 |
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| 26, Stanmore Road769 m away | 127 m² | 168 m² | +41 m² +32% | 2024 |
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| 109, Rutland Gardens218 m away | 99 m² | 140 m² | +41 m² +41% | 2023 |
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| 84, Rutland Gardens243 m away | 103 m² | 144 m² | +41 m² +40% | 2023 |
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| 54, Falmer Road522 m away | 71 m² | 112 m² | +41 m² +58% | 2022 |
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| 23, Mansfield Avenue935 m away | 75 m² | 116 m² | +41 m² +55% | 2022 |
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| 4, Bourn Avenue881 m away | 86 m² | 127 m² | +41 m² +48% | 2019 |
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| 109, Allison Road531 m away | 136 m² | 177 m² | +41 m² +30% | 2018 |
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| 9, Venetia Road675 m away | 115 m² | 156 m² | +41 m² +36% | 2018 |
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| 112, Rutland Gardens243 m away | 102 m² | 143 m² | +41 m² +40% | 2014 |
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| 3, Albany Close482 m away | 57 m² | 97 m² | +40 m² +70% | 2026 |
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| 40, Mattison Road610 m away | 60 m² | 100 m² | +40 m² +67% | 2026 |
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| 21, Belmont Avenue968 m away | 35 m² | 75 m² | +40 m² +114% | 2025 |
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| 65, Warham Road600 m away | 126 m² | 166 m² | +40 m² +32% | 2024 |
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| 60, Fairfax Road816 m away | 97 m² | 137 m² | +40 m² +41% | 2022 |
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| 79, Fairfax Road720 m away | 101 m² | 141 m² | +40 m² +40% | 2021 |
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| 42, Glenwood Road402 m away | 57 m² | 97 m² | +40 m² +70% | 2013 |
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| 50, Clarence Road533 m away | 80 m² | 120 m² | +40 m² +50% | 2012 |
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| 18, Belmont Avenue968 m away | 107 m² | 147 m² | +40 m² +37% | 2011 |
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| 99, Hewitt Road476 m away | 125 m² | 165 m² | +40 m² +32% | 2009 |
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| 16, Roseberry Gardens263 m away | 100 m² | 139 m² | +39 m² +39% | 2026 |
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| 112, Mattison Road388 m away | 148 m² | 187 m² | +39 m² +26% | 2026 |
|---|
| 74, Roslyn Road923 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
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| 77, Cavendish Road460 m away | 140 m² | 179 m² | +39 m² +28% | 2024 |
|---|
| 115, Lothair Road North669 m away | 102 m² | 141 m² | +39 m² +38% | 2023 |
|---|
| 6, Tancred Road755 m away | 138 m² | 177 m² | +39 m² +28% | 2023 |
|---|
| 26, Lothair Road South881 m away | 108 m² | 147 m² | +39 m² +36% | 2023 |
|---|
| 25, Belmont Avenue968 m away | 114 m² | 153 m² | +39 m² +34% | 2021 |
|---|
| 40, Fairfax Road816 m away | 94 m² | 133 m² | +39 m² +41% | 2019 |
|---|
| 24, Warham Road596 m away | 126 m² | 164 m² | +38 m² +30% | 2025 |
|---|
| 30, Rutland Gardens295 m away | 145 m² | 183 m² | +38 m² +26% | 2023 |
|---|
| 73, Cranleigh Road387 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 53, Seymour Road622 m away | 125 m² | 163 m² | +38 m² +30% | 2020 |
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| 1, Caversham Road635 m away | 87 m² | 125 m² | +38 m² +44% | 2018 |
|---|
| Flat 1, 316, Philip Lane960 m away | 28 m² | 66 m² | +38 m² +136% | 2018 |
|---|
| 67, Seymour Road622 m away | 54 m² | 92 m² | +38 m² +70% | 2017 |
|---|
| 39, Oakdale Road508 m away | 88 m² | 126 m² | +38 m² +43% | 2014 |
|---|
| 20, Clarendon Road444 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
|---|
| 24, Pemberton Road610 m away | 141 m² | 178 m² | +37 m² +26% | 2026 |
|---|
| 182, St Anns Road881 m away | 54 m² | 91 m² | +37 m² +69% | 2026 |
|---|
| 8, Ashfield Road480 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
|---|
| 164, Seaford Road893 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
|---|
| 26, Brampton Road135 m away | 102 m² | 139 m² | +37 m² +36% | 2021 |
|---|
| 156, Roslyn Road923 m away | 85 m² | 122 m² | +37 m² +44% | 2021 |
|---|
| 89, Belmont Road973 m away | 119 m² | 156 m² | +37 m² +31% | 2021 |
|---|
| 19, Hewitt Road635 m away | 129 m² | 166 m² | +37 m² +29% | 2020 |
|---|
| 357, Green Lanes636 m away | 50 m² | 87 m² | +37 m² +74% | 2019 |
|---|
| 94, Roslyn Road923 m away | 70 m² | 107 m² | +37 m² +53% | 2019 |
|---|
| 8, Frobisher Road974 m away | 115 m² | 152 m² | +37 m² +32% | 2018 |
|---|
| 7, Clarendon Road444 m away | 95 m² | 132 m² | +37 m² +39% | 2017 |
|---|
| 42, Oulton Road864 m away | 90 m² | 127 m² | +37 m² +41% | 2017 |
|---|
| 11, Hewitt Road635 m away | 122 m² | 159 m² | +37 m² +30% | 2016 |
|---|
| 10a, Burgoyne Road608 m away | 43 m² | 80 m² | +37 m² +86% | 2013 |
|---|
| 29, Mattison Road575 m away | 131 m² | 168 m² | +37 m² +28% | 2011 |
|---|
| 5, Stanhope Gardens337 m away | 129 m² | 165 m² | +36 m² +28% | 2025 |
|---|
| 36, Cissbury Road818 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 93, Langham Road880 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
|---|
| 39, Avondale Road346 m away | 77 m² | 113 m² | +36 m² +47% | 2024 |
|---|
| 50, Fairfax Road816 m away | 92 m² | 128 m² | +36 m² +39% | 2023 |
|---|
| 18, Station Crescent689 m away | 75 m² | 111 m² | +36 m² +48% | 2022 |
|---|
| 30, Effingham Road759 m away | 104 m² | 140 m² | +36 m² +35% | 2022 |
|---|
| 65, Beresford Road725 m away | 93 m² | 129 m² | +36 m² +39% | 2021 |
|---|
| 82, Umfreville Road561 m away | 36 m² | 72 m² | +36 m² +100% | 2020 |
|---|
| 25, Duckett Road589 m away | 56 m² | 92 m² | +36 m² +64% | 2020 |
|---|
| 87, Fairfax Road720 m away | 117 m² | 153 m² | +36 m² +31% | 2018 |
|---|
| 50, Lausanne Road997 m away | 69 m² | 105 m² | +36 m² +52% | 2018 |
|---|
| 33, Clarendon Road444 m away | 97 m² | 133 m² | +36 m² +37% | 2016 |
|---|
| 27, Oakdale Road508 m away | 76 m² | 112 m² | +36 m² +47% | 2015 |
|---|
| 73b, Wightman Road744 m away | 46 m² | 82 m² | +36 m² +78% | 2015 |
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