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 5LE
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 Avenue685 m away | 95 m² | 217 m² | +122 m² +128% | 2024 |
| 7, Wellington Avenue711 m away | 92 m² | 213 m² | +121 m² +132% | 2021 |
| 18, Durley Road960 m away | 99 m² | 219 m² | +120 m² +121% | 2024 |
| 139, Wargrave Avenue818 m away | 86 m² | 203 m² | +117 m² +136% | 2024 |
| 81, Fairview Road543 m away | 116 m² | 230 m² | +114 m² +98% | 2022 |
| 95, Gladesmore Road636 m away | 102 m² | 215 m² | +113 m² +111% | 2026 |
| 130, Wargrave Avenue839 m away | 86 m² | 197 m² | +111 m² +129% | 2026 |
| 22, Norfolk Avenue607 m away | 90 m² | 197 m² | +107 m² +119% | 2022 |
| 4, Frinton Road484 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.
| 97 m² |
| 204 m² |
| +107 m² +110% |
| 2017 |
| 14, Cadoxton Avenue615 m away | 98 m² | 197 m² | +99 m² +101% | 2025 |
|---|
| 7, Wargrave Avenue539 m away | 89 m² | 187 m² | +98 m² +110% | 2025 |
|---|
| 68, Wellington Avenue914 m away | 85 m² | 180 m² | +95 m² +112% | 2026 |
|---|
| 81, Lealand Road596 m away | 113 m² | 207 m² | +94 m² +83% | 2025 |
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| 52, Lealand Road469 m away | 89 m² | 182 m² | +93 m² +104% | 2025 |
|---|
| 19, Bergholt Crescent882 m away | 125 m² | 217 m² | +92 m² +74% | 2017 |
|---|
| 53, Elm Park Avenue718 m away | 96 m² | 187 m² | +91 m² +95% | 2025 |
|---|
| 85, Fairview Road543 m away | 94 m² | 185 m² | +91 m² +97% | 2024 |
|---|
| 106, Lealand Road596 m away | 107 m² | 198 m² | +91 m² +85% | 2024 |
|---|
| 30, Plevna Crescent240 m away | 115 m² | 204 m² | +89 m² +77% | 2020 |
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| 38, Clifton Gardens783 m away | 123 m² | 211 m² | +88 m² +72% | 2019 |
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| 27, Crowland Road457 m away | 93 m² | 180 m² | +87 m² +94% | 2022 |
|---|
| 62, Craven Park Road772 m away | 75 m² | 162 m² | +87 m² +116% | 2022 |
|---|
| 64, Leadale Road914 m away | 109 m² | 195 m² | +86 m² +79% | 2026 |
|---|
| 67, Gladesmore Road636 m away | 74 m² | 159 m² | +85 m² +115% | 2026 |
|---|
| 1, Rostrevor Avenue634 m away | 136 m² | 220 m² | +84 m² +62% | 2023 |
|---|
| 31, Norfolk Avenue607 m away | 111 m² | 192 m² | +81 m² +73% | 2021 |
|---|
| 11a, Barry Avenue702 m away | 91 m² | 172 m² | +81 m² +89% | 2016 |
|---|
| 34, Craven Park Road772 m away | 69 m² | 149 m² | +80 m² +116% | 2022 |
|---|
| 125, Gladesmore Road778 m away | 86 m² | 165 m² | +79 m² +92% | 2024 |
|---|
| 102, Olinda Road869 m away | 58 m² | 137 m² | +79 m² +136% | 2023 |
|---|
| 134, Fairview Road490 m away | 103 m² | 181 m² | +78 m² +76% | 2019 |
|---|
| 130, Fairview Road490 m away | 102 m² | 180 m² | +78 m² +76% | 2019 |
|---|
| 16, Ermine Road352 m away | 109 m² | 187 m² | +78 m² +72% | 2018 |
|---|
| 12, Wargrave Avenue549 m away | 100 m² | 176 m² | +76 m² +76% | 2022 |
|---|
| 48, Norfolk Avenue607 m away | 115 m² | 190 m² | +75 m² +65% | 2026 |
|---|
| 54, Ferndale Road567 m away | 79 m² | 154 m² | +75 m² +95% | 2022 |
|---|
| 24, Clifton Gardens783 m away | 104 m² | 177 m² | +73 m² +70% | 2023 |
|---|
| 79, Crowland Road457 m away | 83 m² | 156 m² | +73 m² +88% | 2018 |
|---|
| 210, West Green Road797 m away | 102 m² | 173 m² | +71 m² +70% | 2026 |
|---|
| 56, Lealand Road469 m away | 93 m² | 164 m² | +71 m² +76% | 2022 |
|---|
| 78, Crowland Road538 m away | 80 m² | 151 m² | +71 m² +89% | 2022 |
|---|
| 36, Beechfield Road946 m away | 92 m² | 163 m² | +71 m² +77% | 2022 |
|---|
| 26, Handsworth Road996 m away | 59 m² | 129 m² | +70 m² +119% | 2025 |
|---|
| 112, Castlewood Road896 m away | 101 m² | 171 m² | +70 m² +69% | 2023 |
|---|
| 65, Gladesmore Road636 m away | 88 m² | 157 m² | +69 m² +78% | 2026 |
|---|
| 61, Ferndale Road550 m away | 103 m² | 172 m² | +69 m² +67% | 2025 |
|---|
| 121, Roslyn Road428 m away | 50 m² | 118 m² | +68 m² +136% | 2026 |
|---|
| 98, Ferndale Road567 m away | 105 m² | 173 m² | +68 m² +65% | 2026 |
|---|
| 23, Clifton Gardens783 m away | 138 m² | 206 m² | +68 m² +49% | 2025 |
|---|
| 17, Winchelsea Road995 m away | 113 m² | 180 m² | +67 m² +59% | 2023 |
|---|
| 10, Springfield Road995 m away | 55 m² | 122 m² | +67 m² +122% | 2014 |
|---|
| 7, Elizabeth Road84 m away | 98 m² | 164 m² | +66 m² +67% | 2026 |
|---|
| 63, Fairview Road663 m away | 86 m² | 152 m² | +66 m² +77% | 2022 |
|---|
| 40, Gladesmore Road511 m away | 82 m² | 147 m² | +65 m² +79% | 2023 |
|---|
| 3, Caradon Way736 m away | 61 m² | 125 m² | +64 m² +105% | 2013 |
|---|
| 88, Lealand Road596 m away | 80 m² | 143 m² | +63 m² +79% | 2019 |
|---|
| 13, High Road651 m away | 149 m² | 211 m² | +62 m² +42% | 2024 |
|---|
| 118, Olinda Road869 m away | 80 m² | 142 m² | +62 m² +78% | 2022 |
|---|
| 12, Wellington Avenue711 m away | 92 m² | 154 m² | +62 m² +67% | 2021 |
|---|
| 64, Roslyn Road189 m away | 112 m² | 173 m² | +61 m² +54% | 2026 |
|---|
| 18, Ermine Road352 m away | 130 m² | 191 m² | +61 m² +47% | 2026 |
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| 21, Denver Road957 m away | 125 m² | 186 m² | +61 m² +49% | 2026 |
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| 11, Townsend Road405 m away | 108 m² | 169 m² | +61 m² +56% | 2024 |
|---|
| 73, Gladesmore Road636 m away | 94 m² | 155 m² | +61 m² +65% | 2022 |
|---|
| 132, Roslyn Road423 m away | 85 m² | 145 m² | +60 m² +71% | 2021 |
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| 9, Daleview Road602 m away | 99 m² | 159 m² | +60 m² +61% | 2020 |
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| 89, Kirkton Road370 m away | 110 m² | 170 m² | +60 m² +55% | 2014 |
|---|
| 22, Lealand Road469 m away | 92 m² | 151 m² | +59 m² +64% | 2021 |
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| 109, Broad Lane806 m away | 57 m² | 116 m² | +59 m² +104% | 2021 |
|---|
| 92, Wargrave Avenue839 m away | 126 m² | 184 m² | +58 m² +46% | 2021 |
|---|
| 210, High Road379 m away | 54 m² | 111 m² | +57 m² +106% | 2019 |
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| 108, Craven Park Road772 m away | 84 m² | 140 m² | +56 m² +67% | 2022 |
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| 119, Craven Park Road981 m away | 104 m² | 160 m² | +56 m² +54% | 2022 |
|---|
| 88, Olinda Road869 m away | 74 m² | 130 m² | +56 m² +76% | 2021 |
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| 45, Oakdale Road905 m away | 89 m² | 145 m² | +56 m² +63% | 2021 |
|---|
| 112, Craven Park Road772 m away | 94 m² | 150 m² | +56 m² +60% | 2019 |
|---|
| 121, Gladesmore Road636 m away | 97 m² | 153 m² | +56 m² +58% | 2018 |
|---|
| 9, Stanard Close872 m away | 107 m² | 162 m² | +55 m² +51% | 2026 |
|---|
| 22, Loxwood Road962 m away | 126 m² | 181 m² | +55 m² +44% | 2025 |
|---|
| 51, West Green Road349 m away | 42 m² | 97 m² | +55 m² +131% | 2024 |
|---|
| 41, Wargrave Avenue539 m away | 101 m² | 156 m² | +55 m² +54% | 2021 |
|---|
| 63, Wargrave Avenue539 m away | 46 m² | 101 m² | +55 m² +120% | 2013 |
|---|
| 4, Stanard Close872 m away | 107 m² | 161 m² | +54 m² +50% | 2026 |
|---|
| 65, Oakdale Road905 m away | 46 m² | 100 m² | +54 m² +117% | 2026 |
|---|
| 74, Gladesmore Road653 m away | 133 m² | 187 m² | +54 m² +41% | 2025 |
|---|
| 64, Gladesmore Road511 m away | 80 m² | 134 m² | +54 m² +68% | 2023 |
|---|
| 25, Oakdale Road905 m away | 82 m² | 136 m² | +54 m² +66% | 2018 |
|---|
| 30, Colless Road406 m away | 39 m² | 93 m² | +54 m² +138% | 2015 |
|---|
| 139, Gladesmore Road778 m away | 140 m² | 193 m² | +53 m² +38% | 2025 |
|---|
| 214, West Green Road797 m away | 83 m² | 136 m² | +53 m² +64% | 2025 |
|---|
| 16, Hurstdene Gardens743 m away | 138 m² | 191 m² | +53 m² +38% | 2024 |
|---|
| 173, Philip Lane863 m away | 83 m² | 136 m² | +53 m² +64% | 2024 |
|---|
| 136, Olinda Road869 m away | 78 m² | 131 m² | +53 m² +68% | 2013 |
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| 140, Stonebridge Road219 m away | 78 m² | 130 m² | +52 m² +67% | 2025 |
|---|
| 208, High Road379 m away | 63 m² | 115 m² | +52 m² +83% | 2025 |
|---|
| 73, Antill Road925 m away | 57 m² | 109 m² | +52 m² +91% | 2025 |
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| 55, St Anns Road415 m away | 51 m² | 103 m² | +52 m² +102% | 2023 |
|---|
| 22, Birstall Road109 m away | 119 m² | 171 m² | +52 m² +44% | 2013 |
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| 72, Ferndale Road567 m away | 102 m² | 154 m² | +52 m² +51% | 2013 |
|---|
| A home on Hermitage Road834 m away | 118 m² | 169 m² | +51 m² +43% | 2026 |
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| 147, Fairview Road477 m away | 99 m² | 150 m² | +51 m² +52% | 2025 |
|---|
| 109, Olinda Road837 m away | 81 m² | 132 m² | +51 m² +63% | 2025 |
|---|
| 30, Kirkstall Avenue975 m away | 112 m² | 163 m² | +51 m² +46% | 2025 |
|---|
| 150, Roslyn Road423 m away | 79 m² | 130 m² | +51 m² +65% | 2024 |
|---|
| 47, Oakdale Road905 m away | 84 m² | 135 m² | +51 m² +61% | 2023 |
|---|
| 52, Roslyn Road189 m away | 86 m² | 136 m² | +50 m² +58% | 2026 |
|---|
| 90, Ferndale Road567 m away | 83 m² | 133 m² | +50 m² +60% | 2026 |
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| 56, Beaconsfield Road499 m away | 56 m² | 106 m² | +50 m² +89% | 2023 |
|---|
| 22, Mansfield Avenue827 m away | 83 m² | 133 m² | +50 m² +60% | 2023 |
|---|
| 23, Elizabeth Road84 m away | 101 m² | 151 m² | +50 m² +50% | 2019 |
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| 61, Cranwich Road948 m away | 173 m² | 222 m² | +49 m² +28% | 2024 |
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| 28, Bedford Road646 m away | 144 m² | 192 m² | +48 m² +33% | 2024 |
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| 98, Fairview Road572 m away | 113 m² | 161 m² | +48 m² +42% | 2022 |
|---|
| 25, Jansons Road820 m away | 137 m² | 185 m² | +48 m² +35% | 2021 |
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| 494, Seven Sisters Road893 m away | 97 m² | 145 m² | +48 m² +49% | 2021 |
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| 93, Olinda Road837 m away | 88 m² | 135 m² | +47 m² +53% | 2025 |
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| 96, Lealand Road596 m away | 89 m² | 136 m² | +47 m² +53% | 2024 |
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| 83, Olinda Road837 m away | 83 m² | 130 m² | +47 m² +57% | 2024 |
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| 75, Crowland Road457 m away | 36 m² | 83 m² | +47 m² +131% | 2023 |
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| 128, Vartry Road783 m away | 105 m² | 152 m² | +47 m² +45% | 2023 |
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| 114, Seaford Road371 m away | 77 m² | 124 m² | +47 m² +61% | 2020 |
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| 88, Gladesmore Road653 m away | 101 m² | 147 m² | +46 m² +46% | 2026 |
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| 82, Craven Park Road772 m away | 88 m² | 134 m² | +46 m² +52% | 2024 |
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| 5, New River Way998 m away | 77 m² | 123 m² | +46 m² +60% | 2023 |
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| 1, Sherboro Road382 m away | 87 m² | 133 m² | +46 m² +53% | 2022 |
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| 74, Ferndale Road567 m away | 158 m² | 204 m² | +46 m² +29% | 2022 |
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| 30, Bergholt Crescent882 m away | 69 m² | 115 m² | +46 m² +67% | 2021 |
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| 39, Suffield Road293 m away | 97 m² | 143 m² | +46 m² +47% | 2020 |
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| 49, Arnold Road963 m away | 107 m² | 153 m² | +46 m² +43% | 2020 |
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| 21, Harold Road624 m away | 36 m² | 82 m² | +46 m² +128% | 2018 |
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| 19, Crowland Road457 m away | 58 m² | 104 m² | +46 m² +79% | 2017 |
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| 96, Tynemouth Road950 m away | 84 m² | 129 m² | +45 m² +54% | 2026 |
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| 5a, Beechfield Road965 m away | 76 m² | 121 m² | +45 m² +59% | 2026 |
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| 9, Berkeley Road735 m away | 80 m² | 125 m² | +45 m² +56% | 2025 |
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| 492, Seven Sisters Road893 m away | 72 m² | 117 m² | +45 m² +63% | 2023 |
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| 258, Hermitage Road834 m away | 87 m² | 132 m² | +45 m² +52% | 2022 |
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| 87, Ferndale Road550 m away | 78 m² | 123 m² | +45 m² +58% | 2017 |
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| 5, Daleview Road602 m away | 54 m² | 99 m² | +45 m² +83% | 2014 |
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| 94, Wargrave Avenue839 m away | 130 m² | 174 m² | +44 m² +34% | 2025 |
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| 33, Bergholt Crescent882 m away | 171 m² | 215 m² | +44 m² +26% | 2025 |
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| 145, Wargrave Avenue818 m away | 41 m² | 85 m² | +44 m² +107% | 2023 |
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| 74, Clinton Road927 m away | 72 m² | 116 m² | +44 m² +61% | 2020 |
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| Flat 1, Marc Court 56-58, West Green Road345 m away | 32 m² | 76 m² | +44 m² +138% | 2019 |
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| 43, Hanover Road705 m away | 102 m² | 146 m² | +44 m² +43% | 2010 |
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| 44, Elm Park Avenue779 m away | 98 m² | 141 m² | +43 m² +44% | 2026 |
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| 40, Olinda Road787 m away | 79 m² | 122 m² | +43 m² +54% | 2025 |
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| 14, Falmer Road851 m away | 74 m² | 117 m² | +43 m² +58% | 2025 |
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| 278, Philip Lane943 m away | 62 m² | 105 m² | +43 m² +69% | 2023 |
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| 61, Egerton Road899 m away | 132 m² | 175 m² | +43 m² +33% | 2022 |
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| 52, Beaconsfield Road499 m away | 51 m² | 94 m² | +43 m² +84% | 2017 |
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| 22a, Denver Road919 m away | 50 m² | 93 m² | +43 m² +86% | 2010 |
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| 34, Vartry Road675 m away | 54 m² | 96 m² | +42 m² +78% | 2026 |
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| 50, Olinda Road787 m away | 74 m² | 116 m² | +42 m² +57% | 2024 |
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| 11, Stonebridge Road154 m away | 111 m² | 153 m² | +42 m² +38% | 2023 |
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| 113, Roslyn Road428 m away | 80 m² | 122 m² | +42 m² +53% | 2022 |
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| 41a, Clinton Road927 m away | 69 m² | 111 m² | +42 m² +61% | 2019 |
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| 123, Olinda Road837 m away | 94 m² | 135 m² | +41 m² +44% | 2026 |
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| 110, Seaford Road371 m away | 81 m² | 122 m² | +41 m² +51% | 2025 |
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| 23, Mansfield Avenue827 m away | 75 m² | 116 m² | +41 m² +55% | 2022 |
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| 54, Falmer Road851 m away | 71 m² | 112 m² | +41 m² +58% | 2022 |
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| 4, Bourn Avenue854 m away | 86 m² | 127 m² | +41 m² +48% | 2019 |
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| 74, Olinda Road869 m away | 77 m² | 118 m² | +41 m² +53% | 2019 |
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| 39, Cissbury Road416 m away | 30 m² | 71 m² | +41 m² +137% | 2013 |
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| 18, Winchelsea Road983 m away | 100 m² | 140 m² | +40 m² +40% | 2026 |
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| 42, Roslyn Road189 m away | 86 m² | 126 m² | +40 m² +47% | 2021 |
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| 20, Franklin Street586 m away | 90 m² | 130 m² | +40 m² +44% | 2014 |
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| 50, Clarence Road884 m away | 80 m² | 120 m² | +40 m² +50% | 2012 |
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| 14, Durley Road960 m away | 61 m² | 101 m² | +40 m² +66% | 2009 |
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| 7, Bourn Avenue854 m away | 42 m² | 82 m² | +40 m² +95% | 2008 |
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| 74, Roslyn Road423 m away | 82 m² | 121 m² | +39 m² +48% | 2025 |
|---|
| 1a, West Bank914 m away | 41 m² | 80 m² | +39 m² +95% | 2024 |
|---|
| 8, Birstall Road109 m away | 77 m² | 116 m² | +39 m² +51% | 2022 |
|---|
| 19, Howard Road477 m away | 131 m² | 170 m² | +39 m² +30% | 2021 |
|---|
| 142, Vartry Road783 m away | 102 m² | 140 m² | +38 m² +37% | 2025 |
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| 4, New River Way998 m away | 85 m² | 123 m² | +38 m² +45% | 2024 |
|---|
| 5, Claire House, Elizabeth Place800 m away | 49 m² | 87 m² | +38 m² +78% | 2023 |
|---|
| 25, Howard Road477 m away | 119 m² | 157 m² | +38 m² +32% | 2022 |
|---|
| 3, Page Green Road724 m away | 77 m² | 115 m² | +38 m² +49% | 2022 |
|---|
| 109, Richmond Road581 m away | 60 m² | 98 m² | +38 m² +63% | 2021 |
|---|
| 166, Vartry Road783 m away | 64 m² | 102 m² | +38 m² +59% | 2021 |
|---|
| 3, Springfield Road971 m away | 106 m² | 144 m² | +38 m² +36% | 2020 |
|---|
| 12a, Durley Road960 m away | 26 m² | 64 m² | +38 m² +146% | 2019 |
|---|
| Flat 1, 316, Philip Lane936 m away | 28 m² | 66 m² | +38 m² +136% | 2018 |
|---|
| 94, Olinda Road869 m away | 80 m² | 118 m² | +38 m² +48% | 2017 |
|---|
| 43, Clinton Road927 m away | 48 m² | 86 m² | +38 m² +79% | 2017 |
|---|
| 39, Oakdale Road905 m away | 88 m² | 126 m² | +38 m² +43% | 2014 |
|---|
| 90, Olinda Road869 m away | 75 m² | 112 m² | +37 m² +49% | 2026 |
|---|
| 15, Townsend Road405 m away | 101 m² | 138 m² | +37 m² +37% | 2024 |
|---|
| 164, Seaford Road537 m away | 89 m² | 126 m² | +37 m² +42% | 2022 |
|---|
| 107, Castlewood Road963 m away | 37 m² | 74 m² | +37 m² +100% | 2022 |
|---|
| 156, Roslyn Road423 m away | 85 m² | 122 m² | +37 m² +44% | 2021 |
|---|
| 54, Moundfield Road941 m away | 81 m² | 118 m² | +37 m² +46% | 2020 |
|---|
| 94, Roslyn Road423 m away | 70 m² | 107 m² | +37 m² +53% | 2019 |
|---|
| 42, Oulton Road424 m away | 90 m² | 127 m² | +37 m² +41% | 2017 |
|---|
| 44, Moundfield Road941 m away | 75 m² | 112 m² | +37 m² +49% | 2014 |
|---|
| 36, Cissbury Road441 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
|---|
| 24, Rostrevor Avenue660 m away | 122 m² | 158 m² | +36 m² +30% | 2024 |
|---|
| 93, Kirkton Road370 m away | 64 m² | 100 m² | +36 m² +56% | 2023 |
|---|
| 26, Greenfield Road94 m away | 78 m² | 114 m² | +36 m² +46% | 2022 |
|---|
| 96, Craven Park Road772 m away | 93 m² | 129 m² | +36 m² +39% | 2022 |
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