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 N2 9RG
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 |
|---|---|---|---|---|
| 612, High Road908 m away | 145 m² | 302 m² | +157 m² +108% | 2025 |
| 36, Kenver Avenue690 m away | 104 m² | 239 m² | +135 m² +130% | 2012 |
| 608, High Road908 m away | 265 m² | 370 m² | +105 m² +40% | 2023 |
| 1, Barrenger Road925 m away | 73 m² | 177 m² | +104 m² +142% | 2024 |
| 72, Ingleway885 m away | 97 m² | 185 m² | +88 m² +91% | 2026 |
| 4, Eton Avenue830 m away | 112 m² | 200 m² | +88 m² +79% | 2019 |
| 4, Park Avenue927 m away | 75 m² | 161 m² | +86 m² +115% | 2025 |
| 65, Crescent Way726 m away | 82 m² | 165 m² | +83 m² +101% | 2021 |
| 132, Etchingham Park Road850 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.
| 122 m² |
| 202 m² |
| +80 m² +66% |
| 2024 |
| 68, Queens Avenue716 m away | 116 m² | 192 m² | +76 m² +66% | 2024 |
|---|
| 43, Etchingham Park Road988 m away | 205 m² | 281 m² | +76 m² +37% | 2022 |
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| 51, Bow Lane733 m away | 131 m² | 202 m² | +71 m² +54% | 2020 |
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| 45, Holdenhurst Avenue808 m away | 104 m² | 173 m² | +69 m² +66% | 2022 |
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| 58, Woodlands Avenue781 m away | 93 m² | 161 m² | +68 m² +73% | 2020 |
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| 9, Park Avenue927 m away | 98 m² | 166 m² | +68 m² +69% | 2020 |
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| 2, Nursery Avenue982 m away | 55 m² | 120 m² | +65 m² +118% | 2012 |
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| 19, Lankaster Gardens403 m away | 94 m² | 157 m² | +63 m² +67% | 2024 |
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| 224, Creighton Avenue986 m away | 175 m² | 238 m² | +63 m² +36% | 2016 |
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| 26, Glebe Road473 m away | 52 m² | 111 m² | +59 m² +113% | 2019 |
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| 85, Steeds Road993 m away | 75 m² | 133 m² | +58 m² +77% | 2025 |
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| 32, Church Lane950 m away | 178 m² | 235 m² | +57 m² +32% | 2023 |
|---|
| 9, Queens Road709 m away | 67 m² | 123 m² | +56 m² +84% | 2018 |
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| 12, Upway632 m away | 78 m² | 133 m² | +55 m² +71% | 2024 |
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| Flat 1, 14, Taunton Drive891 m away | 39 m² | 93 m² | +54 m² +138% | 2021 |
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| 41, Eton Avenue815 m away | 131 m² | 184 m² | +53 m² +40% | 2019 |
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| 3, Bow Lane532 m away | 101 m² | 153 m² | +52 m² +51% | 2018 |
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| 21, Lankaster Gardens403 m away | 95 m² | 146 m² | +51 m² +54% | 2024 |
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| 179, Summers Lane965 m away | 82 m² | 132 m² | +50 m² +61% | 2026 |
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| 95, Woodlands Avenue816 m away | 96 m² | 146 m² | +50 m² +52% | 2023 |
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| 90, Woodlands Avenue781 m away | 98 m² | 148 m² | +50 m² +51% | 2022 |
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| 47, Fallow Court Avenue862 m away | 122 m² | 171 m² | +49 m² +40% | 2023 |
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| 7, Queens Avenue742 m away | 113 m² | 162 m² | +49 m² +43% | 2016 |
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| 75, Etchingham Park Road940 m away | 60 m² | 109 m² | +49 m² +82% | 2013 |
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| 88, Queens Avenue716 m away | 113 m² | 161 m² | +48 m² +42% | 2026 |
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| 76, Old Farm Road0 m away | 36 m² | 81 m² | +45 m² +125% | 2014 |
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| 118, Summers Lane541 m away | 84 m² | 128 m² | +44 m² +52% | 2025 |
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| 8, Elmfield Road977 m away | 90 m² | 134 m² | +44 m² +49% | 2025 |
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| 90, Woodgrange Avenue772 m away | 142 m² | 186 m² | +44 m² +31% | 2024 |
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| 42, Addington Drive830 m away | 109 m² | 153 m² | +44 m² +40% | 2024 |
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| 14, Chislehurst Avenue898 m away | 125 m² | 169 m² | +44 m² +35% | 2020 |
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| 16, Chandos Road779 m away | 115 m² | 157 m² | +42 m² +37% | 2023 |
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| 147, Gilson Place957 m away | 78 m² | 120 m² | +42 m² +54% | 2023 |
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| 30, Coppetts Close671 m away | 108 m² | 150 m² | +42 m² +39% | 2012 |
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| 23, Queens Avenue742 m away | 96 m² | 137 m² | +41 m² +43% | 2022 |
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| 22, Eton Avenue830 m away | 130 m² | 171 m² | +41 m² +32% | 2020 |
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| 12, Chandos Road779 m away | 97 m² | 137 m² | +40 m² +41% | 2022 |
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| 57, Long Lane999 m away | 34 m² | 74 m² | +40 m² +118% | 2015 |
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| 47, Clifton Road602 m away | 101 m² | 140 m² | +39 m² +39% | 2025 |
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| 3, Garthway755 m away | 87 m² | 126 m² | +39 m² +45% | 2023 |
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| 24, Lankaster Gardens357 m away | 89 m² | 127 m² | +38 m² +43% | 2024 |
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| 14, Sandringham Gardens900 m away | 158 m² | 196 m² | +38 m² +24% | 2022 |
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| 9a, Chislehurst Avenue898 m away | 80 m² | 118 m² | +38 m² +48% | 2020 |
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| 96, Summers Lane541 m away | 73 m² | 111 m² | +38 m² +52% | 2013 |
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| 1, Holdenhurst Avenue808 m away | 111 m² | 148 m² | +37 m² +33% | 2018 |
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| 57, Bow Lane733 m away | 121 m² | 158 m² | +37 m² +31% | 2016 |
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| 2, School Way900 m away | 32 m² | 69 m² | +37 m² +116% | 2016 |
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| 13, Dickens Avenue629 m away | 34 m² | 70 m² | +36 m² +106% | 2026 |
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| 10, Brownswell Road653 m away | 37 m² | 73 m² | +36 m² +97% | 2019 |
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| 11, Woodlands Avenue816 m away | 61 m² | 97 m² | +36 m² +59% | 2018 |
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| 46, Queens Avenue716 m away | 54 m² | 89 m² | +35 m² +65% | 2025 |
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| 8, Holdenhurst Avenue860 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
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| 85, Etchingham Park Road940 m away | 137 m² | 172 m² | +35 m² +26% | 2021 |
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| 28, Lankaster Gardens357 m away | 91 m² | 126 m² | +35 m² +38% | 2020 |
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| 83, Glebelands Close252 m away | 48 m² | 83 m² | +35 m² +73% | 2019 |
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| 13, Leopold Road992 m away | 63 m² | 98 m² | +35 m² +56% | 2019 |
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| 87, Sandringham Gardens714 m away | 111 m² | 145 m² | +34 m² +31% | 2026 |
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| 19, Leopold Road992 m away | 72 m² | 106 m² | +34 m² +47% | 2019 |
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| Flat 33, Etchingham Court, Etchingham Park Road974 m away | 41 m² | 75 m² | +34 m² +83% | 2018 |
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| 42, Woodhouse Road988 m away | 92 m² | 125 m² | +33 m² +36% | 2023 |
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| 26, Queens Avenue716 m away | 111 m² | 144 m² | +33 m² +30% | 2019 |
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| 63, Woodlands Avenue816 m away | 112 m² | 145 m² | +33 m² +29% | 2018 |
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| 55, Sandringham Gardens940 m away | 48 m² | 81 m² | +33 m² +69% | 2013 |
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| Flat 2, 3, King Street Mews948 m away | 28 m² | 60 m² | +32 m² +114% | 2020 |
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| 26, Church Lane950 m away | 70 m² | 102 m² | +32 m² +46% | 2020 |
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| 6, Nursery Avenue982 m away | 54 m² | 86 m² | +32 m² +59% | 2018 |
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| 85, Woodgrange Avenue763 m away | 126 m² | 157 m² | +31 m² +25% | 2025 |
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| 84, Queens Avenue716 m away | 111 m² | 142 m² | +31 m² +28% | 2023 |
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| 8, Leopold Road992 m away | 68 m² | 99 m² | +31 m² +46% | 2019 |
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| 40, Lankaster Gardens357 m away | 86 m² | 116 m² | +30 m² +35% | 2026 |
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| 46, Sylvester Road636 m away | 95 m² | 125 m² | +30 m² +32% | 2024 |
|---|
| 1, Church Lane947 m away | 23 m² | 53 m² | +30 m² +130% | 2012 |
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| Flat 9, Adelphi Court, High Road786 m away | 39 m² | 68 m² | +29 m² +74% | 2025 |
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| 30, Fallow Court Avenue893 m away | 134 m² | 163 m² | +29 m² +22% | 2025 |
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| 31, Leopold Road992 m away | 66 m² | 95 m² | +29 m² +44% | 2025 |
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| 34, Leopold Road992 m away | 72 m² | 101 m² | +29 m² +40% | 2023 |
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| 381, High Road447 m away | 102 m² | 131 m² | +29 m² +28% | 2020 |
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| 36a, Queens Avenue716 m away | 52 m² | 81 m² | +29 m² +56% | 2020 |
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| 10, Taunton Drive891 m away | 54 m² | 83 m² | +29 m² +54% | 2020 |
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| 36, Eton Avenue830 m away | 157 m² | 185 m² | +28 m² +18% | 2024 |
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| 6, Crescent Way937 m away | 86 m² | 114 m² | +28 m² +33% | 2022 |
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| 10, Leopold Road992 m away | 74 m² | 101 m² | +27 m² +36% | 2025 |
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| 51, Sandringham Gardens940 m away | 104 m² | 131 m² | +27 m² +26% | 2020 |
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| 22, Hamilton Square967 m away | 65 m² | 92 m² | +27 m² +42% | 2018 |
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| Flat 7, 322, High Road508 m away | 48 m² | 75 m² | +27 m² +56% | 2017 |
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| 22a, Woodlands Avenue781 m away | 51 m² | 78 m² | +27 m² +53% | 2016 |
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| 31, Sandringham Gardens940 m away | 139 m² | 165 m² | +26 m² +19% | 2023 |
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| 150, Summers Lane670 m away | 62 m² | 88 m² | +26 m² +42% | 2022 |
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| 42, Old Farm Road0 m away | 95 m² | 121 m² | +26 m² +27% | 2015 |
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| 52, Queens Avenue716 m away | 122 m² | 148 m² | +26 m² +21% | 2015 |
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| 37, Bow Lane532 m away | 130 m² | 155 m² | +25 m² +19% | 2023 |
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| Flat 1, 53, Long Lane999 m away | 61 m² | 86 m² | +25 m² +41% | 2023 |
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| 16, Crossway786 m away | 29 m² | 54 m² | +25 m² +86% | 2021 |
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| Flat B, 76, Granville Road885 m away | 38 m² | 63 m² | +25 m² +66% | 2020 |
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| 80, Woodhouse Road911 m away | 73 m² | 98 m² | +25 m² +34% | 2020 |
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| 254b, Long Lane955 m away | 50 m² | 74 m² | +24 m² +48% | 2026 |
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| 64, Woodgrange Avenue772 m away | 94 m² | 118 m² | +24 m² +26% | 2025 |
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| 20, Woodberry Grove980 m away | 128 m² | 152 m² | +24 m² +19% | 2025 |
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| 8, Clifton Road642 m away | 119 m² | 143 m² | +24 m² +20% | 2024 |
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| 108, Woodhouse Road911 m away | 72 m² | 96 m² | +24 m² +33% | 2024 |
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| Flat 22, Witcomb Lodge, 64, Lankaster Gardens357 m away | 67 m² | 91 m² | +24 m² +36% | 2023 |
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| 10, Woodberry Way999 m away | 53 m² | 77 m² | +24 m² +45% | 2023 |
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| 1, The Woodlands, High Road915 m away | 73 m² | 97 m² | +24 m² +33% | 2021 |
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| 32, Old Farm Road195 m away | 97 m² | 121 m² | +24 m² +25% | 2015 |
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| 52, Lankaster Gardens357 m away | 100 m² | 124 m² | +24 m² +24% | 2013 |
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| 34, Avondale Road805 m away | 121 m² | 144 m² | +23 m² +19% | 2025 |
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| 8, Ingleway937 m away | 55 m² | 78 m² | +23 m² +42% | 2024 |
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| 8a, Chislehurst Avenue898 m away | 53 m² | 76 m² | +23 m² +43% | 2023 |
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| 38, Lankaster Gardens357 m away | 88 m² | 111 m² | +23 m² +26% | 2022 |
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| Flat 7, 5, Blackdown Close841 m away | 28 m² | 51 m² | +23 m² +82% | 2020 |
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| 88, Bow Lane696 m away | 108 m² | 130 m² | +22 m² +20% | 2023 |
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| 27, Coppetts Close671 m away | 68 m² | 90 m² | +22 m² +32% | 2022 |
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| 12, Lewis Gardens478 m away | 83 m² | 105 m² | +22 m² +27% | 2019 |
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| 59, Bow Lane733 m away | 23 m² | 44 m² | +21 m² +91% | 2024 |
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| 48, Holdenhurst Avenue860 m away | 132 m² | 153 m² | +21 m² +16% | 2024 |
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| 98, Ingleway830 m away | 99 m² | 120 m² | +21 m² +21% | 2023 |
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| 6, New Trinity Road954 m away | 97 m² | 118 m² | +21 m² +22% | 2020 |
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| 28, Crescent Way725 m away | 77 m² | 98 m² | +21 m² +27% | 2019 |
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| 244, Long Lane955 m away | 50 m² | 70 m² | +20 m² +40% | 2026 |
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| 30, Crossway786 m away | 76 m² | 96 m² | +20 m² +26% | 2023 |
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| 22, Lankaster Gardens357 m away | 99 m² | 119 m² | +20 m² +20% | 2022 |
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| Flat 6a, Etchingham Court, Etchingham Park Road974 m away | 59 m² | 79 m² | +20 m² +34% | 2019 |
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| 74, Barrenger Road946 m away | 70 m² | 90 m² | +20 m² +29% | 2017 |
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| 65, Long Lane999 m away | 69 m² | 89 m² | +20 m² +29% | 2015 |
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| 29, Woodgrange Avenue763 m away | 92 m² | 111 m² | +19 m² +21% | 2026 |
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| 141b, Long Lane924 m away | 54 m² | 73 m² | +19 m² +35% | 2026 |
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| 18, Park View Road960 m away | 94 m² | 113 m² | +19 m² +20% | 2026 |
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| 66, Glebelands Close304 m away | 62 m² | 81 m² | +19 m² +31% | 2020 |
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| 52, Woodlands Avenue781 m away | 101 m² | 120 m² | +19 m² +19% | 2018 |
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| Etchingham Court974 m away | 58 m² | 77 m² | +19 m² +33% | 2010 |
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| 7a, New Oak Road964 m away | 75 m² | 93 m² | +18 m² +24% | 2025 |
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| 281a, Long Lane998 m away | 62 m² | 80 m² | +18 m² +29% | 2019 |
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| 81, Fallow Court Avenue958 m away | 90 m² | 107 m² | +17 m² +19% | 2026 |
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| 15, Lankaster Gardens403 m away | 90 m² | 107 m² | +17 m² +19% | 2020 |
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| 4, Fallow Court Avenue893 m away | 59 m² | 76 m² | +17 m² +29% | 2020 |
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| 94, Gilson Place928 m away | 78 m² | 94 m² | +16 m² +21% | 2024 |
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| 94, Barrenger Road946 m away | 72 m² | 88 m² | +16 m² +22% | 2023 |
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| 48, Leopold Road992 m away | 74 m² | 90 m² | +16 m² +22% | 2023 |
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| 20, Glebe Road473 m away | 92 m² | 108 m² | +16 m² +17% | 2022 |
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| Osterley, King Street998 m away | 102 m² | 118 m² | +16 m² +16% | 2022 |
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| Flat 12, Willow House, The Grange797 m away | 70 m² | 86 m² | +16 m² +23% | 2021 |
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| 41, Holdenhurst Avenue808 m away | 45 m² | 61 m² | +16 m² +36% | 2021 |
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| 170b, Long Lane964 m away | 55 m² | 71 m² | +16 m² +29% | 2017 |
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| 36, Brendon Grove946 m away | 78 m² | 94 m² | +16 m² +21% | 2014 |
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| Flat 2, 655, High Road848 m away | 71 m² | 87 m² | +16 m² +23% | 2013 |
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| Flat 6, Newburn Court, 23, Granville Road979 m away | 93 m² | 108 m² | +15 m² +16% | 2026 |
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| Flat 2, Chantry Court, Creighton Avenue987 m away | 76 m² | 91 m² | +15 m² +20% | 2026 |
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| 147, Summers Lane763 m away | 81 m² | 96 m² | +15 m² +19% | 2025 |
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| Flat 2, Sayers House, The Grange869 m away | 85 m² | 100 m² | +15 m² +18% | 2023 |
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| 88, Woodlands Avenue781 m away | 97 m² | 112 m² | +15 m² +15% | 2013 |
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| 67a, Granville Place, High Road568 m away | 55 m² | 70 m² | +15 m² +27% | 2010 |
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