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 N8 9PE
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 Road665 m away | 113 m² | 208 m² | +95 m² +84% | 2026 |
| 55, Beresford Road663 m away | 70 m² | 163 m² | +93 m² +133% | 2021 |
| 90, Wightman Road719 m away | 79 m² | 172 m² | +93 m² +118% | 2021 |
| 17, Falkland Road606 m away | 68 m² | 158 m² | +90 m² +132% | 2023 |
| 131, Crouch Hill916 m away | 175 m² | 264 m² | +89 m² +51% | 2016 |
| Westbrook, Barrington Road903 m away | 78 m² | 165 m² | +87 m² +112% | 2022 |
| 65, Ferme Park Road702 m away | 209 m² | 295 m² | +86 m² +41% | 2013 |
| 110, Ferme Park Road541 m away | 155 m² | 239 m² | +84 m² +54% | 2026 |
| 349, Wightman Road523 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.
| 64 m² |
| 148 m² |
| +84 m² +131% |
| 2018 |
| 192, Stapleton Hall Road907 m away | 65 m² | 145 m² | +80 m² +123% | 2024 |
|---|
| 10, Landrock Road523 m away | 156 m² | 234 m² | +78 m² +50% | 2015 |
|---|
| 92, Hampden Road836 m away | 95 m² | 172 m² | +77 m² +81% | 2011 |
|---|
| 7, Hatherley Gardens823 m away | 52 m² | 128 m² | +76 m² +146% | 2019 |
|---|
| 30, Landrock Road555 m away | 124 m² | 199 m² | +75 m² +60% | 2015 |
|---|
| 32, Landrock Road555 m away | 150 m² | 224 m² | +74 m² +49% | 2026 |
|---|
| 85, Allison Road844 m away | 122 m² | 196 m² | +74 m² +61% | 2013 |
|---|
| 19, Warham Road741 m away | 50 m² | 124 m² | +74 m² +148% | 2012 |
|---|
| 39, Pemberton Road775 m away | 60 m² | 133 m² | +73 m² +122% | 2017 |
|---|
| 9, Hermiston Avenue434 m away | 108 m² | 177 m² | +69 m² +64% | 2021 |
|---|
| 135, Effingham Road836 m away | 111 m² | 180 m² | +69 m² +62% | 2021 |
|---|
| 11d, Park Road811 m away | 81 m² | 150 m² | +69 m² +85% | 2019 |
|---|
| 64, Turnpike Lane859 m away | 55 m² | 123 m² | +68 m² +124% | 2022 |
|---|
| 71, Mayfield Road346 m away | 122 m² | 190 m² | +68 m² +56% | 2009 |
|---|
| 31, Mattison Road847 m away | 57 m² | 125 m² | +68 m² +119% | 2009 |
|---|
| 4, Gladwell Road602 m away | 146 m² | 212 m² | +66 m² +45% | 2021 |
|---|
| 129, Seymour Road894 m away | 124 m² | 189 m² | +65 m² +52% | 2022 |
|---|
| 70, Warham Road753 m away | 63 m² | 128 m² | +65 m² +103% | 2019 |
|---|
| 11c, Park Road811 m away | 81 m² | 146 m² | +65 m² +80% | 2018 |
|---|
| 60, Warham Road753 m away | 65 m² | 130 m² | +65 m² +100% | 2014 |
|---|
| 43, Effingham Road644 m away | 98 m² | 161 m² | +63 m² +64% | 2024 |
|---|
| 46, Palace Road893 m away | 58 m² | 121 m² | +63 m² +109% | 2021 |
|---|
| 18, Denton Road490 m away | 123 m² | 186 m² | +63 m² +51% | 2020 |
|---|
| 158a, Ferme Park Road422 m away | 82 m² | 144 m² | +62 m² +76% | 2022 |
|---|
| 10, Rokesly Avenue535 m away | 89 m² | 151 m² | +62 m² +70% | 2020 |
|---|
| 90, Lausanne Road827 m away | 70 m² | 131 m² | +61 m² +87% | 2026 |
|---|
| 32, Rosebery Gardens600 m away | 220 m² | 281 m² | +61 m² +28% | 2024 |
|---|
| 113, Allison Road844 m away | 134 m² | 195 m² | +61 m² +46% | 2018 |
|---|
| 85, Raleigh Road872 m away | 135 m² | 195 m² | +60 m² +44% | 2025 |
|---|
| 27, Effingham Road644 m away | 98 m² | 158 m² | +60 m² +61% | 2021 |
|---|
| 155, Rathcoole Gardens0 m away | 113 m² | 172 m² | +59 m² +52% | 2024 |
|---|
| 68, Hillfield Avenue382 m away | 50 m² | 109 m² | +59 m² +118% | 2022 |
|---|
| 53, Oakfield Road804 m away | 151 m² | 210 m² | +59 m² +39% | 2021 |
|---|
| 29, Elmfield Avenue559 m away | 90 m² | 148 m² | +58 m² +64% | 2025 |
|---|
| 38, Beresford Road676 m away | 108 m² | 166 m² | +58 m² +54% | 2023 |
|---|
| 67, Fairfax Road670 m away | 59 m² | 117 m² | +58 m² +98% | 2018 |
|---|
| 43, Ossian Road998 m away | 157 m² | 215 m² | +58 m² +37% | 2016 |
|---|
| 57, Falkland Road845 m away | 114 m² | 171 m² | +57 m² +50% | 2026 |
|---|
| 45a, Uplands Road482 m away | 92 m² | 148 m² | +56 m² +61% | 2025 |
|---|
| 105, Inderwick Road376 m away | 106 m² | 162 m² | +56 m² +53% | 2024 |
|---|
| 62, Cecile Park644 m away | 55 m² | 111 m² | +56 m² +102% | 2022 |
|---|
| 83, Mount View Road728 m away | 50 m² | 106 m² | +56 m² +112% | 2008 |
|---|
| 196, Stapleton Hall Road907 m away | 252 m² | 307 m² | +55 m² +22% | 2026 |
|---|
| 45, Hewitt Road701 m away | 120 m² | 175 m² | +55 m² +46% | 2022 |
|---|
| 17, Womersley Road780 m away | 94 m² | 149 m² | +55 m² +59% | 2021 |
|---|
| 83, Mayfield Road346 m away | 117 m² | 172 m² | +55 m² +47% | 2014 |
|---|
| 81, Inderwick Road376 m away | 90 m² | 144 m² | +54 m² +60% | 2026 |
|---|
| 34, Pemberton Road773 m away | 127 m² | 181 m² | +54 m² +43% | 2022 |
|---|
| 252, Ferme Park Road350 m away | 73 m² | 127 m² | +54 m² +74% | 2021 |
|---|
| 8, Inderwick Road505 m away | 80 m² | 134 m² | +54 m² +68% | 2020 |
|---|
| 3, Elmfield Avenue559 m away | 112 m² | 166 m² | +54 m² +48% | 2017 |
|---|
| 25, Warham Road741 m away | 124 m² | 178 m² | +54 m² +44% | 2016 |
|---|
| 12, Lightfoot Road543 m away | 113 m² | 166 m² | +53 m² +47% | 2025 |
|---|
| 2, Rokesly Avenue535 m away | 100 m² | 153 m² | +53 m² +53% | 2024 |
|---|
| Flat 3, Hermiston Court, Hermiston Avenue389 m away | 79 m² | 132 m² | +53 m² +67% | 2022 |
|---|
| 43, Mount Pleasant Villas995 m away | 69 m² | 122 m² | +53 m² +77% | 2020 |
|---|
| 61, Falkland Road845 m away | 119 m² | 171 m² | +52 m² +44% | 2024 |
|---|
| 111, Seymour Road894 m away | 99 m² | 151 m² | +52 m² +53% | 2024 |
|---|
| 75, Inderwick Road376 m away | 108 m² | 160 m² | +52 m² +48% | 2020 |
|---|
| 24, Harvey Road113 m away | 70 m² | 121 m² | +51 m² +73% | 2024 |
|---|
| 53, Warham Road741 m away | 117 m² | 168 m² | +51 m² +44% | 2024 |
|---|
| 120, Inderwick Road348 m away | 169 m² | 220 m² | +51 m² +30% | 2021 |
|---|
| 31, Burghley Road994 m away | 103 m² | 154 m² | +51 m² +50% | 2021 |
|---|
| 25, Priory Road782 m away | 108 m² | 159 m² | +51 m² +47% | 2014 |
|---|
| 134, Nelson Road257 m away | 57 m² | 107 m² | +50 m² +88% | 2024 |
|---|
| 57, Pemberton Road775 m away | 190 m² | 240 m² | +50 m² +26% | 2021 |
|---|
| 83, Inderwick Road376 m away | 108 m² | 157 m² | +49 m² +45% | 2025 |
|---|
| 140, Inderwick Road181 m away | 115 m² | 164 m² | +49 m² +43% | 2023 |
|---|
| 153, Wightman Road530 m away | 48 m² | 97 m² | +49 m² +102% | 2023 |
|---|
| 68, Beresford Road676 m away | 118 m² | 167 m² | +49 m² +42% | 2022 |
|---|
| 32, Gladwell Road602 m away | 106 m² | 155 m² | +49 m² +46% | 2020 |
|---|
| 70, Seymour Road717 m away | 111 m² | 160 m² | +49 m² +44% | 2020 |
|---|
| 7, Seymour Road709 m away | 116 m² | 165 m² | +49 m² +42% | 2016 |
|---|
| 157, Rathcoole Gardens0 m away | 128 m² | 176 m² | +48 m² +38% | 2025 |
|---|
| 32, Lightfoot Road543 m away | 90 m² | 138 m² | +48 m² +53% | 2024 |
|---|
| 106, Hewitt Road882 m away | 131 m² | 179 m² | +48 m² +37% | 2024 |
|---|
| 59, Ferme Park Road702 m away | 142 m² | 190 m² | +48 m² +34% | 2022 |
|---|
| 72, Falkland Road840 m away | 105 m² | 153 m² | +48 m² +46% | 2022 |
|---|
| 77, Allison Road844 m away | 127 m² | 174 m² | +47 m² +37% | 2026 |
|---|
| 10, Frobisher Road592 m away | 122 m² | 169 m² | +47 m² +39% | 2025 |
|---|
| 8, Lynton Road873 m away | 89 m² | 136 m² | +47 m² +53% | 2023 |
|---|
| 63, Falkland Road845 m away | 117 m² | 164 m² | +47 m² +40% | 2020 |
|---|
| 74, Hampden Road670 m away | 62 m² | 109 m² | +47 m² +76% | 2012 |
|---|
| 29b, Fairfield Gardens548 m away | 39 m² | 86 m² | +47 m² +121% | 2010 |
|---|
| 143, Effingham Road836 m away | 53 m² | 99 m² | +46 m² +87% | 2025 |
|---|
| 41, Fairfax Road670 m away | 94 m² | 140 m² | +46 m² +49% | 2018 |
|---|
| Flat 1, 1, Oakley Gardens94 m away | 51 m² | 96 m² | +45 m² +88% | 2026 |
|---|
| 28, Lausanne Road675 m away | 53 m² | 98 m² | +45 m² +85% | 2025 |
|---|
| 54, Beresford Road676 m away | 123 m² | 168 m² | +45 m² +37% | 2023 |
|---|
| 108, Mattison Road996 m away | 66 m² | 111 m² | +45 m² +68% | 2022 |
|---|
| 36, Sydney Road822 m away | 108 m² | 153 m² | +45 m² +42% | 2021 |
|---|
| 94, Inderwick Road348 m away | 73 m² | 118 m² | +45 m² +62% | 2018 |
|---|
| 78, Hampden Road670 m away | 60 m² | 105 m² | +45 m² +75% | 2014 |
|---|
| 114, Seymour Road905 m away | 128 m² | 172 m² | +44 m² +34% | 2025 |
|---|
| 88, Inderwick Road348 m away | 155 m² | 199 m² | +44 m² +28% | 2024 |
|---|
| 108, Sydney Road822 m away | 126 m² | 170 m² | +44 m² +35% | 2023 |
|---|
| 1, Hillfield Avenue483 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 47c, Warham Road741 m away | 52 m² | 96 m² | +44 m² +85% | 2018 |
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| 22, Beresford Road676 m away | 101 m² | 145 m² | +44 m² +44% | 2017 |
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| 46, Alexandra Road950 m away | 67 m² | 111 m² | +44 m² +66% | 2010 |
|---|
| 22, Pemberton Road773 m away | 134 m² | 177 m² | +43 m² +32% | 2026 |
|---|
| 127, Beresford Road858 m away | 109 m² | 152 m² | +43 m² +39% | 2026 |
|---|
| 58, Allison Road676 m away | 62 m² | 105 m² | +43 m² +69% | 2025 |
|---|
| 41, Linzee Road944 m away | 170 m² | 213 m² | +43 m² +25% | 2025 |
|---|
| Flat 1, 7, Ferrestone Road385 m away | 84 m² | 127 m² | +43 m² +51% | 2023 |
|---|
| 41, Ridge Road620 m away | 190 m² | 233 m² | +43 m² +23% | 2023 |
|---|
| 39, Hillfield Avenue385 m away | 68 m² | 111 m² | +43 m² +63% | 2022 |
|---|
| 29, Gisburn Road421 m away | 173 m² | 216 m² | +43 m² +25% | 2021 |
|---|
| 69, Effingham Road644 m away | 95 m² | 138 m² | +43 m² +45% | 2020 |
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| 31, Nelson Road541 m away | 175 m² | 218 m² | +43 m² +25% | 2019 |
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| 122, Allison Road864 m away | 127 m² | 170 m² | +43 m² +34% | 2018 |
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| 20, Fairfax Road646 m away | 80 m² | 123 m² | +43 m² +54% | 2017 |
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| 47, Effingham Road644 m away | 99 m² | 141 m² | +42 m² +42% | 2024 |
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| 63, Hornsey Park Road858 m away | 117 m² | 159 m² | +42 m² +36% | 2022 |
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| 52, Turnpike Lane940 m away | 60 m² | 102 m² | +42 m² +70% | 2014 |
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| 12, Carysfort Road996 m away | 126 m² | 168 m² | +42 m² +33% | 2012 |
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| 4, Rathcoole Avenue115 m away | 124 m² | 165 m² | +41 m² +33% | 2026 |
|---|
| 19, Priory Road782 m away | 164 m² | 205 m² | +41 m² +25% | 2025 |
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| 8, Quernmore Road808 m away | 152 m² | 193 m² | +41 m² +27% | 2025 |
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| 24, Landrock Road555 m away | 158 m² | 199 m² | +41 m² +26% | 2024 |
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| 79c, Ferme Park Road590 m away | 69 m² | 110 m² | +41 m² +59% | 2022 |
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| 39, Lynton Road786 m away | 64 m² | 105 m² | +41 m² +64% | 2021 |
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| 109, Allison Road844 m away | 136 m² | 177 m² | +41 m² +30% | 2018 |
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| 39, Glebe Road365 m away | 52 m² | 93 m² | +41 m² +79% | 2012 |
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| 40, Mattison Road799 m away | 60 m² | 100 m² | +40 m² +67% | 2026 |
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| 65, Warham Road741 m away | 126 m² | 166 m² | +40 m² +32% | 2024 |
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| 60, Fairfax Road646 m away | 97 m² | 137 m² | +40 m² +41% | 2022 |
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| 79, Fairfax Road843 m away | 101 m² | 141 m² | +40 m² +40% | 2021 |
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| 52, Ridge Road659 m away | 68 m² | 108 m² | +40 m² +59% | 2019 |
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| Flat A, 353, Wightman Road523 m away | 55 m² | 95 m² | +40 m² +73% | 2014 |
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| 6, Sandringham Gardens686 m away | 118 m² | 158 m² | +40 m² +34% | 2014 |
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| 16, Barrington Road903 m away | 61 m² | 101 m² | +40 m² +66% | 2013 |
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| 99, Hewitt Road872 m away | 125 m² | 165 m² | +40 m² +32% | 2009 |
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| 112, Mattison Road996 m away | 148 m² | 187 m² | +39 m² +26% | 2026 |
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| 60, Weston Park539 m away | 211 m² | 250 m² | +39 m² +18% | 2025 |
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| 43, Uplands Road482 m away | 54 m² | 93 m² | +39 m² +72% | 2023 |
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| 20, Palace Road768 m away | 163 m² | 202 m² | +39 m² +24% | 2022 |
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| Flat 2, 31, Albany Road837 m away | 56 m² | 95 m² | +39 m² +70% | 2022 |
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| 33 - 35, Crouch End Hill944 m away | 39 m² | 78 m² | +39 m² +100% | 2022 |
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| 10, Audora Court, The Campsbourne744 m away | 99 m² | 138 m² | +39 m² +39% | 2021 |
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| 67, Raleigh Road872 m away | 128 m² | 167 m² | +39 m² +30% | 2020 |
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| 40, Fairfax Road646 m away | 94 m² | 133 m² | +39 m² +41% | 2019 |
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| 93, Middle Lane682 m away | 106 m² | 145 m² | +39 m² +37% | 2019 |
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| Flat 1, Spring Apartments, 40, Nightingale Lane882 m away | 37 m² | 76 m² | +39 m² +105% | 2015 |
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| Flat B, 126, Inderwick Road348 m away | 53 m² | 92 m² | +39 m² +74% | 2012 |
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| 135, Crouch Hill916 m away | 83 m² | 122 m² | +39 m² +47% | 2009 |
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| 24, Warham Road753 m away | 126 m² | 164 m² | +38 m² +30% | 2025 |
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| 71c, Ferme Park Road590 m away | 68 m² | 106 m² | +38 m² +56% | 2023 |
|---|
| 25, Lynton Road786 m away | 106 m² | 144 m² | +38 m² +36% | 2023 |
|---|
| 325, Wightman Road523 m away | 126 m² | 164 m² | +38 m² +30% | 2022 |
|---|
| 93, Mount View Road728 m away | 50 m² | 88 m² | +38 m² +76% | 2022 |
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| 53, Seymour Road709 m away | 125 m² | 163 m² | +38 m² +30% | 2020 |
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| Flat 70, Wat Tyler House, Boyton Road954 m away | 71 m² | 109 m² | +38 m² +54% | 2020 |
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| 67, Seymour Road709 m away | 54 m² | 92 m² | +38 m² +70% | 2017 |
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| 37b, Burghley Road994 m away | 70 m² | 108 m² | +38 m² +54% | 2017 |
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| 133b, Sydney Road856 m away | 41 m² | 79 m² | +38 m² +93% | 2015 |
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| 82b, Sydney Road822 m away | 62 m² | 100 m² | +38 m² +61% | 2014 |
|---|
| 35, Cecile Park773 m away | 48 m² | 86 m² | +38 m² +79% | 2013 |
|---|
| 24, Pemberton Road773 m away | 141 m² | 178 m² | +37 m² +26% | 2026 |
|---|
| 5, Aubrey Road458 m away | 229 m² | 266 m² | +37 m² +16% | 2023 |
|---|
| Flat 1, Hermiston Court, Hermiston Avenue389 m away | 68 m² | 105 m² | +37 m² +54% | 2020 |
|---|
| 19, Hewitt Road701 m away | 129 m² | 166 m² | +37 m² +29% | 2020 |
|---|
| 9, Gladwell Road602 m away | 30 m² | 67 m² | +37 m² +123% | 2019 |
|---|
| 8, Frobisher Road592 m away | 115 m² | 152 m² | +37 m² +32% | 2018 |
|---|
| 11, Hewitt Road701 m away | 122 m² | 159 m² | +37 m² +30% | 2016 |
|---|
| 10a, Burgoyne Road988 m away | 43 m² | 80 m² | +37 m² +86% | 2013 |
|---|
| 29, Mattison Road847 m away | 131 m² | 168 m² | +37 m² +28% | 2011 |
|---|
| 33, Nightingale Lane888 m away | 70 m² | 106 m² | +36 m² +51% | 2025 |
|---|
| 51c, Ridge Road620 m away | 52 m² | 88 m² | +36 m² +69% | 2023 |
|---|
| 50, Fairfax Road646 m away | 92 m² | 128 m² | +36 m² +39% | 2023 |
|---|
| 30, Effingham Road656 m away | 104 m² | 140 m² | +36 m² +35% | 2022 |
|---|
| 2, Hillfield Avenue468 m away | 43 m² | 79 m² | +36 m² +84% | 2021 |
|---|
| 17, High Street579 m away | 36 m² | 72 m² | +36 m² +100% | 2021 |
|---|
| 65, Beresford Road663 m away | 93 m² | 129 m² | +36 m² +39% | 2021 |
|---|
| 25, Duckett Road868 m away | 56 m² | 92 m² | +36 m² +64% | 2020 |
|---|
| 37, Ferme Park Road928 m away | 81 m² | 117 m² | +36 m² +44% | 2019 |
|---|
| 50, Lausanne Road675 m away | 69 m² | 105 m² | +36 m² +52% | 2018 |
|---|
| 87, Fairfax Road843 m away | 117 m² | 153 m² | +36 m² +31% | 2018 |
|---|
| 73b, Wightman Road665 m away | 46 m² | 82 m² | +36 m² +78% | 2015 |
|---|
| 122, Inderwick Road348 m away | 80 m² | 116 m² | +36 m² +45% | 2014 |
|---|
| 317, Wightman Road523 m away | 112 m² | 147 m² | +35 m² +31% | 2026 |
|---|
| 147, Fairfax Road843 m away | 90 m² | 125 m² | +35 m² +39% | 2026 |
|---|
| 44, Weston Park663 m away | 196 m² | 231 m² | +35 m² +18% | 2023 |
|---|
| 5, Topsfield Road765 m away | 100 m² | 135 m² | +35 m² +35% | 2023 |
|---|
| 79, Lausanne Road822 m away | 135 m² | 170 m² | +35 m² +26% | 2023 |
|---|
| 273, Wightman Road500 m away | 36 m² | 71 m² | +35 m² +97% | 2022 |
|---|
| 130, Fairfax Road842 m away | 96 m² | 131 m² | +35 m² +36% | 2022 |
|---|
| 30, Frobisher Road858 m away | 120 m² | 155 m² | +35 m² +29% | 2022 |
|---|
| 103, Inderwick Road376 m away | 102 m² | 137 m² | +35 m² +34% | 2020 |
|---|
| 10, Shanklin Road912 m away | 123 m² | 158 m² | +35 m² +28% | 2020 |
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| 42, Rosebery Gardens600 m away | 70 m² | 105 m² | +35 m² +50% | 2018 |
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