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 4DL
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 |
|---|---|---|---|---|
| 42, Rostrevor Avenue943 m away | 95 m² | 217 m² | +122 m² +128% | 2024 |
| 7, Wellington Avenue821 m away | 92 m² | 213 m² | +121 m² +132% | 2021 |
| 139, Wargrave Avenue738 m away | 86 m² | 203 m² | +117 m² +136% | 2024 |
| 81, Fairview Road737 m away | 116 m² | 230 m² | +114 m² +98% | 2022 |
| 130, Wargrave Avenue773 m away | 86 m² | 197 m² | +111 m² +129% | 2026 |
| 22, Norfolk Avenue932 m away | 90 m² | 197 m² | +107 m² +119% | 2022 |
| 14, Cadoxton Avenue847 m away | 98 m² | 197 m² | +99 m² +101% | 2025 |
| 7, Wargrave Avenue827 m away | 89 m² | 187 m² | +98 m² +110% | 2025 |
| 68, Wellington Avenue835 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.
| 85 m² |
| 180 m² |
| +95 m² +112% |
| 2026 |
| 81, Lealand Road647 m away | 113 m² | 207 m² | +94 m² +83% | 2025 |
|---|
| 52, Lealand Road751 m away | 89 m² | 182 m² | +93 m² +104% | 2025 |
|---|
| 53, Elm Park Avenue738 m away | 96 m² | 187 m² | +91 m² +95% | 2025 |
|---|
| 106, Lealand Road647 m away | 107 m² | 198 m² | +91 m² +85% | 2024 |
|---|
| 85, Fairview Road737 m away | 94 m² | 185 m² | +91 m² +97% | 2024 |
|---|
| 25, Chesnut Road664 m away | 90 m² | 180 m² | +90 m² +100% | 2014 |
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| 30, Plevna Crescent911 m away | 115 m² | 204 m² | +89 m² +77% | 2020 |
|---|
| 38, Clifton Gardens913 m away | 123 m² | 211 m² | +88 m² +72% | 2019 |
|---|
| 27, Crowland Road561 m away | 93 m² | 180 m² | +87 m² +94% | 2022 |
|---|
| 64, Leadale Road891 m away | 109 m² | 195 m² | +86 m² +79% | 2026 |
|---|
| 67, Gladesmore Road702 m away | 74 m² | 159 m² | +85 m² +115% | 2026 |
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| 1, Rostrevor Avenue953 m away | 136 m² | 220 m² | +84 m² +62% | 2023 |
|---|
| 31, Norfolk Avenue932 m away | 111 m² | 192 m² | +81 m² +73% | 2021 |
|---|
| 125, Gladesmore Road682 m away | 86 m² | 165 m² | +79 m² +92% | 2024 |
|---|
| 134, Fairview Road623 m away | 103 m² | 181 m² | +78 m² +76% | 2019 |
|---|
| 130, Fairview Road623 m away | 102 m² | 180 m² | +78 m² +76% | 2019 |
|---|
| 16, Ermine Road864 m away | 109 m² | 187 m² | +78 m² +72% | 2018 |
|---|
| 12, Wargrave Avenue875 m away | 100 m² | 176 m² | +76 m² +76% | 2022 |
|---|
| 14, Felixstowe Road720 m away | 83 m² | 159 m² | +76 m² +92% | 2018 |
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| 48, Norfolk Avenue932 m away | 115 m² | 190 m² | +75 m² +65% | 2026 |
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| 54, Ferndale Road615 m away | 79 m² | 154 m² | +75 m² +95% | 2022 |
|---|
| 24, Clifton Gardens913 m away | 104 m² | 177 m² | +73 m² +70% | 2023 |
|---|
| 79, Crowland Road561 m away | 83 m² | 156 m² | +73 m² +88% | 2018 |
|---|
| 78, Crowland Road555 m away | 80 m² | 151 m² | +71 m² +89% | 2022 |
|---|
| 56, Lealand Road751 m away | 93 m² | 164 m² | +71 m² +76% | 2022 |
|---|
| 112, Castlewood Road894 m away | 101 m² | 171 m² | +70 m² +69% | 2023 |
|---|
| 65, Gladesmore Road702 m away | 88 m² | 157 m² | +69 m² +78% | 2026 |
|---|
| 61, Ferndale Road590 m away | 103 m² | 172 m² | +69 m² +67% | 2025 |
|---|
| 98, Ferndale Road615 m away | 105 m² | 173 m² | +68 m² +65% | 2026 |
|---|
| 121, Roslyn Road933 m away | 50 m² | 118 m² | +68 m² +136% | 2026 |
|---|
| 23, Clifton Gardens913 m away | 138 m² | 206 m² | +68 m² +49% | 2025 |
|---|
| 17, Winchelsea Road710 m away | 113 m² | 180 m² | +67 m² +59% | 2023 |
|---|
| 10, Springfield Road292 m away | 55 m² | 122 m² | +67 m² +122% | 2014 |
|---|
| 7, Elizabeth Road749 m away | 98 m² | 164 m² | +66 m² +67% | 2026 |
|---|
| 63, Fairview Road876 m away | 86 m² | 152 m² | +66 m² +77% | 2022 |
|---|
| 40, Gladesmore Road815 m away | 82 m² | 147 m² | +65 m² +79% | 2023 |
|---|
| 88, Lealand Road647 m away | 80 m² | 143 m² | +63 m² +79% | 2019 |
|---|
| 29, Ranelagh Road838 m away | 102 m² | 164 m² | +62 m² +61% | 2023 |
|---|
| Flat 69, Merlin Heights, Waterside Way893 m away | 42 m² | 104 m² | +62 m² +148% | 2023 |
|---|
| 12, Wellington Avenue821 m away | 92 m² | 154 m² | +62 m² +67% | 2021 |
|---|
| 20, Erskine Crescent697 m away | 105 m² | 167 m² | +62 m² +59% | 2015 |
|---|
| 64, Roslyn Road725 m away | 112 m² | 173 m² | +61 m² +54% | 2026 |
|---|
| 18, Ermine Road864 m away | 130 m² | 191 m² | +61 m² +47% | 2026 |
|---|
| 11, Townsend Road482 m away | 108 m² | 169 m² | +61 m² +56% | 2024 |
|---|
| 73, Gladesmore Road702 m away | 94 m² | 155 m² | +61 m² +65% | 2022 |
|---|
| 46, Hale Gardens501 m away | 85 m² | 146 m² | +61 m² +72% | 2013 |
|---|
| 132, Roslyn Road949 m away | 85 m² | 145 m² | +60 m² +71% | 2021 |
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| 89, Kirkton Road676 m away | 110 m² | 170 m² | +60 m² +55% | 2014 |
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| Flat 69, Crane Heights, Waterside Way866 m away | 42 m² | 101 m² | +59 m² +140% | 2022 |
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| 109, Broad Lane160 m away | 57 m² | 116 m² | +59 m² +104% | 2021 |
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| 22, Lealand Road751 m away | 92 m² | 151 m² | +59 m² +64% | 2021 |
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| 92, Wargrave Avenue773 m away | 126 m² | 184 m² | +58 m² +46% | 2021 |
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| 210, High Road345 m away | 54 m² | 111 m² | +57 m² +106% | 2019 |
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| 14, Dongola Road998 m away | 62 m² | 119 m² | +57 m² +92% | 2018 |
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| 99, Greyhound Road816 m away | 46 m² | 103 m² | +57 m² +124% | 2009 |
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| 119, Craven Park Road924 m away | 104 m² | 160 m² | +56 m² +54% | 2022 |
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| 121, Gladesmore Road702 m away | 97 m² | 153 m² | +56 m² +58% | 2018 |
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| 22, Loxwood Road824 m away | 126 m² | 181 m² | +55 m² +44% | 2025 |
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| 51, West Green Road562 m away | 42 m² | 97 m² | +55 m² +131% | 2024 |
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| 41, Wargrave Avenue827 m away | 101 m² | 156 m² | +55 m² +54% | 2021 |
|---|
| 63, Wargrave Avenue827 m away | 46 m² | 101 m² | +55 m² +120% | 2013 |
|---|
| 74, Gladesmore Road732 m away | 133 m² | 187 m² | +54 m² +41% | 2025 |
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| 64, Gladesmore Road815 m away | 80 m² | 134 m² | +54 m² +68% | 2023 |
|---|
| 30, Colless Road425 m away | 39 m² | 93 m² | +54 m² +138% | 2015 |
|---|
| 139, Gladesmore Road682 m away | 140 m² | 193 m² | +53 m² +38% | 2025 |
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| 173, Philip Lane977 m away | 83 m² | 136 m² | +53 m² +64% | 2024 |
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| 73, Antill Road244 m away | 57 m² | 109 m² | +52 m² +91% | 2025 |
|---|
| 208, High Road345 m away | 63 m² | 115 m² | +52 m² +83% | 2025 |
|---|
| 140, Stonebridge Road563 m away | 78 m² | 130 m² | +52 m² +67% | 2025 |
|---|
| 72, Ferndale Road615 m away | 102 m² | 154 m² | +52 m² +51% | 2013 |
|---|
| 22, Birstall Road619 m away | 119 m² | 171 m² | +52 m² +44% | 2013 |
|---|
| 147, Fairview Road650 m away | 99 m² | 150 m² | +51 m² +52% | 2025 |
|---|
| 150, Roslyn Road949 m away | 79 m² | 130 m² | +51 m² +65% | 2024 |
|---|
| 90, Ferndale Road615 m away | 83 m² | 133 m² | +50 m² +60% | 2026 |
|---|
| 56, Beaconsfield Road517 m away | 56 m² | 106 m² | +50 m² +89% | 2023 |
|---|
| 10, Hale Gardens501 m away | 50 m² | 100 m² | +50 m² +100% | 2019 |
|---|
| 23, Elizabeth Road749 m away | 101 m² | 151 m² | +50 m² +50% | 2019 |
|---|
| 16, Steele Road923 m away | 61 m² | 111 m² | +50 m² +82% | 2013 |
|---|
| 111, St Loys Road935 m away | 85 m² | 133 m² | +48 m² +56% | 2026 |
|---|
| 28, Bedford Road883 m away | 144 m² | 192 m² | +48 m² +33% | 2024 |
|---|
| Flat 1, Eliot Court, 2, Tynemouth Road160 m away | 48 m² | 96 m² | +48 m² +100% | 2022 |
|---|
| 165, Broad Lane377 m away | 92 m² | 140 m² | +48 m² +52% | 2022 |
|---|
| 98, Fairview Road732 m away | 113 m² | 161 m² | +48 m² +42% | 2022 |
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| 25, Jansons Road709 m away | 137 m² | 185 m² | +48 m² +35% | 2021 |
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| 148, Victoria Crescent932 m away | 48 m² | 96 m² | +48 m² +100% | 2010 |
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| 67, Holcombe Road849 m away | 63 m² | 111 m² | +48 m² +76% | 2009 |
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| 96, Lealand Road647 m away | 89 m² | 136 m² | +47 m² +53% | 2024 |
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| 75, Crowland Road561 m away | 36 m² | 83 m² | +47 m² +131% | 2023 |
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| 114, Seaford Road809 m away | 77 m² | 124 m² | +47 m² +61% | 2020 |
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| 74, Ferndale Road615 m away | 158 m² | 204 m² | +46 m² +29% | 2022 |
|---|
| 1, Sherboro Road845 m away | 87 m² | 133 m² | +46 m² +53% | 2022 |
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| 39, Suffield Road418 m away | 97 m² | 143 m² | +46 m² +47% | 2020 |
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| 49, Arnold Road585 m away | 107 m² | 153 m² | +46 m² +43% | 2020 |
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| 19, Crowland Road561 m away | 58 m² | 104 m² | +46 m² +79% | 2017 |
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| 32, Morrison Avenue891 m away | 40 m² | 86 m² | +46 m² +115% | 2012 |
|---|
| 96, Tynemouth Road245 m away | 84 m² | 129 m² | +45 m² +54% | 2026 |
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| 48, Kimberley Road913 m away | 86 m² | 131 m² | +45 m² +52% | 2024 |
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| 87, Ferndale Road590 m away | 78 m² | 123 m² | +45 m² +58% | 2017 |
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| 2, Sperling Road945 m away | 71 m² | 116 m² | +45 m² +63% | 2014 |
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| 94, Wargrave Avenue773 m away | 130 m² | 174 m² | +44 m² +34% | 2025 |
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| 145, Wargrave Avenue738 m away | 41 m² | 85 m² | +44 m² +107% | 2023 |
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| Flat 66, Crane Heights, Waterside Way866 m away | 42 m² | 86 m² | +44 m² +105% | 2022 |
|---|
| Flat 1, Marc Court 56-58, West Green Road472 m away | 32 m² | 76 m² | +44 m² +138% | 2019 |
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| 43, Hanover Road0 m away | 102 m² | 146 m² | +44 m² +43% | 2010 |
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| 44, Elm Park Avenue790 m away | 98 m² | 141 m² | +43 m² +44% | 2026 |
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| 112, Ranelagh Road848 m away | 116 m² | 159 m² | +43 m² +37% | 2021 |
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| 52, Beaconsfield Road517 m away | 51 m² | 94 m² | +43 m² +84% | 2017 |
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| 4, Malvern Road738 m away | 82 m² | 124 m² | +42 m² +51% | 2024 |
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| 11, Stonebridge Road631 m away | 111 m² | 153 m² | +42 m² +38% | 2023 |
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| 113, Roslyn Road933 m away | 80 m² | 122 m² | +42 m² +53% | 2022 |
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| 477, High Road858 m away | 64 m² | 106 m² | +42 m² +66% | 2015 |
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| 110, Seaford Road809 m away | 81 m² | 122 m² | +41 m² +51% | 2025 |
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| 18, Winchelsea Road686 m away | 100 m² | 140 m² | +40 m² +40% | 2026 |
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| 42, Buller Road919 m away | 71 m² | 111 m² | +40 m² +56% | 2023 |
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| 42, Roslyn Road725 m away | 86 m² | 126 m² | +40 m² +47% | 2021 |
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| 113, Kessock Close775 m away | 68 m² | 108 m² | +40 m² +59% | 2019 |
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| 74, Roslyn Road949 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
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| 36, Greyhound Road740 m away | 101 m² | 140 m² | +39 m² +39% | 2024 |
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| 8, Birstall Road619 m away | 77 m² | 116 m² | +39 m² +51% | 2022 |
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| 91, Yarmouth Crescent704 m away | 66 m² | 105 m² | +39 m² +59% | 2021 |
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| 30, Buller Road919 m away | 107 m² | 146 m² | +39 m² +36% | 2016 |
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| 86, Fairview Road732 m away | 59 m² | 98 m² | +39 m² +66% | 2015 |
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| 52, St Loy'S Road940 m away | 89 m² | 127 m² | +38 m² +43% | 2026 |
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| 73, Holcombe Road849 m away | 100 m² | 138 m² | +38 m² +38% | 2024 |
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| 5, Claire House, Elizabeth Place950 m away | 49 m² | 87 m² | +38 m² +78% | 2023 |
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| 3, Page Green Road397 m away | 77 m² | 115 m² | +38 m² +49% | 2022 |
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| 3, Springfield Road266 m away | 106 m² | 144 m² | +38 m² +36% | 2020 |
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| 15, Townsend Road482 m away | 101 m² | 138 m² | +37 m² +37% | 2024 |
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| Flat 70, Crane Heights, Waterside Way866 m away | 70 m² | 107 m² | +37 m² +53% | 2022 |
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| 14, Moorefield Road891 m away | 81 m² | 118 m² | +37 m² +46% | 2022 |
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| 164, Seaford Road997 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
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| 156, Roslyn Road949 m away | 85 m² | 122 m² | +37 m² +44% | 2021 |
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| 94, Roslyn Road949 m away | 70 m² | 107 m² | +37 m² +53% | 2019 |
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| 23, Buller Road919 m away | 55 m² | 92 m² | +37 m² +67% | 2016 |
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| 38, Ranelagh Road797 m away | 87 m² | 123 m² | +36 m² +41% | 2024 |
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| 93, Kirkton Road676 m away | 64 m² | 100 m² | +36 m² +56% | 2023 |
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| 26, Greenfield Road675 m away | 78 m² | 114 m² | +36 m² +46% | 2022 |
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| 146, West Green Road882 m away | 25 m² | 61 m² | +36 m² +144% | 2020 |
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| 31, Montague Road380 m away | 70 m² | 106 m² | +36 m² +51% | 2011 |
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| 179, Philip Lane977 m away | 33 m² | 69 m² | +36 m² +109% | 2010 |
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| 7, Beaconsfield Road490 m away | 119 m² | 154 m² | +35 m² +29% | 2026 |
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| 26, Townsend Road482 m away | 49 m² | 84 m² | +35 m² +71% | 2024 |
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| 5, Dawlish Road789 m away | 36 m² | 71 m² | +35 m² +97% | 2023 |
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| 111, Beaconsfield Road490 m away | 104 m² | 139 m² | +35 m² +34% | 2022 |
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| 77, Greenfield Road652 m away | 86 m² | 121 m² | +35 m² +41% | 2022 |
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| 140, High Road689 m away | 48 m² | 83 m² | +35 m² +73% | 2022 |
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| 41, Beaconsfield Road490 m away | 102 m² | 137 m² | +35 m² +34% | 2019 |
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| 7, Roslyn Road595 m away | 77 m² | 112 m² | +35 m² +45% | 2017 |
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| 86, Crowland Road555 m away | 83 m² | 117 m² | +34 m² +41% | 2026 |
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| 97, Kirkton Road676 m away | 27 m² | 61 m² | +34 m² +126% | 2024 |
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| 81, Roslyn Road933 m away | 87 m² | 121 m² | +34 m² +39% | 2024 |
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| 99b, Crowland Road503 m away | 68 m² | 102 m² | +34 m² +50% | 2023 |
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| 19, Birstall Road619 m away | 79 m² | 113 m² | +34 m² +43% | 2022 |
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| 70, St Loy'S Road940 m away | 101 m² | 135 m² | +34 m² +34% | 2021 |
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| 17, Summerhill Road996 m away | 86 m² | 120 m² | +34 m² +40% | 2020 |
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| 26, Tynemouth Road151 m away | 60 m² | 94 m² | +34 m² +57% | 2019 |
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| 68, Mount Pleasant Road931 m away | 91 m² | 125 m² | +34 m² +37% | 2019 |
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| 26, Birstall Road619 m away | 35 m² | 69 m² | +34 m² +97% | 2016 |
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| 65, Scales Road702 m away | 88 m² | 122 m² | +34 m² +39% | 2014 |
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| 14, Lealand Road751 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
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| 16, Buller Road919 m away | 76 m² | 109 m² | +33 m² +43% | 2022 |
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| 82, St Loys Road940 m away | 80 m² | 113 m² | +33 m² +41% | 2022 |
|---|
| 122, Roslyn Road949 m away | 88 m² | 121 m² | +33 m² +38% | 2022 |
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| 5, Forster Road763 m away | 26 m² | 59 m² | +33 m² +127% | 2021 |
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| 52, Seaford Road809 m away | 75 m² | 108 m² | +33 m² +44% | 2020 |
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| 103, Roslyn Road933 m away | 68 m² | 101 m² | +33 m² +49% | 2019 |
|---|
| 35, Crowland Road561 m away | 79 m² | 112 m² | +33 m² +42% | 2014 |
|---|
| 108, Scales Road671 m away | 89 m² | 122 m² | +33 m² +37% | 2014 |
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| 24, Wakefield Road411 m away | 78 m² | 111 m² | +33 m² +42% | 2010 |
|---|
| 14, Ashmount Road248 m away | 55 m² | 87 m² | +32 m² +58% | 2026 |
|---|
| 26, Malvern Road738 m away | 83 m² | 115 m² | +32 m² +39% | 2025 |
|---|
| 21, Birstall Road619 m away | 88 m² | 120 m² | +32 m² +36% | 2020 |
|---|
| 6, Roslyn Road595 m away | 78 m² | 110 m² | +32 m² +41% | 2019 |
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| 2, Wakefield Road411 m away | 94 m² | 126 m² | +32 m² +34% | 2016 |
|---|
| 10, Morrison Avenue891 m away | 54 m² | 86 m² | +32 m² +59% | 2016 |
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| 67, Ranelagh Road868 m away | 45 m² | 77 m² | +32 m² +71% | 2015 |
|---|
| 54, Dongola Road998 m away | 95 m² | 127 m² | +32 m² +34% | 2015 |
|---|
| 10, Westerfield Road456 m away | 101 m² | 132 m² | +31 m² +31% | 2026 |
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| 55, Holcombe Road849 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
|---|
| 147, Antill Road372 m away | 103 m² | 134 m² | +31 m² +30% | 2024 |
|---|
| 20, Ermine Road864 m away | 144 m² | 175 m² | +31 m² +22% | 2024 |
|---|
| 12, Napier Road882 m away | 111 m² | 142 m² | +31 m² +28% | 2022 |
|---|
| 30, Pembroke Road329 m away | 45 m² | 76 m² | +31 m² +69% | 2018 |
|---|
| 7, Jansons Road709 m away | 58 m² | 89 m² | +31 m² +53% | 2018 |
|---|
| 12, Greenfield Road675 m away | 93 m² | 124 m² | +31 m² +33% | 2016 |
|---|
| 58, Roslyn Road725 m away | 93 m² | 124 m² | +31 m² +33% | 2014 |
|---|
| 88, Ranelagh Road848 m away | 53 m² | 84 m² | +31 m² +58% | 2014 |
|---|
| 138, Stonebridge Road563 m away | 72 m² | 102 m² | +30 m² +42% | 2026 |
|---|
| 60, Plevna Crescent935 m away | 114 m² | 144 m² | +30 m² +26% | 2026 |
|---|
| 29, Loxwood Road824 m away | 92 m² | 122 m² | +30 m² +33% | 2023 |
|---|
| 15, Junction Road766 m away | 50 m² | 80 m² | +30 m² +60% | 2021 |
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