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 BR5 4AD
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 |
|---|---|---|---|---|
| 17, Bournewood Road431 m away | 82 m² | 200 m² | +118 m² +144% | 2025 |
| 25, Lynton Avenue772 m away | 83 m² | 189 m² | +106 m² +128% | 2024 |
| 59, Friar Road895 m away | 108 m² | 189 m² | +81 m² +75% | 2022 |
| 20a, Elmcroft Road822 m away | 54 m² | 134 m² | +80 m² +148% | 2019 |
| 177, Oakdene Road988 m away | 84 m² | 158 m² | +74 m² +88% | 2020 |
| 175, Oakdene Road988 m away | 82 m² | 156 m² | +74 m² +90% | 2015 |
| 9, Lynton Avenue772 m away | 97 m² | 170 m² | +73 m² +75% | 2014 |
| 18, Lynmouth Rise850 m away | 82 m² | 153 m² | +71 m² +87% | 2015 |
| 9, Perry Hall Close769 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.
| 132 m² |
| 201 m² |
| +69 m² +52% |
| 2020 |
| 14, Court Road844 m away | 78 m² | 146 m² | +68 m² +87% | 2020 |
|---|
| 70, Friar Road895 m away | 85 m² | 153 m² | +68 m² +80% | 2020 |
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| 2, Mountview Road966 m away | 81 m² | 143 m² | +62 m² +77% | 2026 |
|---|
| 102, Perry Hall Road861 m away | 116 m² | 177 m² | +61 m² +53% | 2022 |
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| 48, Chelsfield Lane800 m away | 112 m² | 172 m² | +60 m² +54% | 2025 |
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| 28, Court Road844 m away | 115 m² | 175 m² | +60 m² +52% | 2023 |
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| 77, Court Road700 m away | 62 m² | 122 m² | +60 m² +97% | 2013 |
|---|
| 86, Lower Road361 m away | 78 m² | 135 m² | +57 m² +73% | 2021 |
|---|
| 73, Chelsfield Lane815 m away | 75 m² | 132 m² | +57 m² +76% | 2020 |
|---|
| 104, Kynaston Road793 m away | 57 m² | 113 m² | +56 m² +98% | 2024 |
|---|
| 62, Friar Road895 m away | 70 m² | 125 m² | +55 m² +79% | 2013 |
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| 37, Hood Avenue509 m away | 80 m² | 134 m² | +54 m² +68% | 2024 |
|---|
| 36, Highlands Road598 m away | 57 m² | 111 m² | +54 m² +95% | 2016 |
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| 13, Friar Road615 m away | 121 m² | 172 m² | +51 m² +42% | 2016 |
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| 159, Poverest Road947 m away | 81 m² | 128 m² | +47 m² +58% | 2017 |
|---|
| 36, Court Road844 m away | 73 m² | 119 m² | +46 m² +63% | 2026 |
|---|
| 183a, High Street253 m away | 43 m² | 89 m² | +46 m² +107% | 2020 |
|---|
| 46, Northfield Avenue331 m away | 105 m² | 150 m² | +45 m² +43% | 2019 |
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| 44, Cray Valley Road798 m away | 94 m² | 137 m² | +43 m² +46% | 2025 |
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| 39, Footbury Hill Road875 m away | 147 m² | 190 m² | +43 m² +29% | 2012 |
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| 16, Goodmead Road780 m away | 78 m² | 120 m² | +42 m² +54% | 2025 |
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| 17, Chelsfield Lane815 m away | 63 m² | 105 m² | +42 m² +67% | 2020 |
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| 97, Poverest Road698 m away | 157 m² | 198 m² | +41 m² +26% | 2019 |
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| 8, Robinhood Green923 m away | 87 m² | 128 m² | +41 m² +47% | 2015 |
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| 19, Chislehurst Road931 m away | 70 m² | 110 m² | +40 m² +57% | 2026 |
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| 6, The Greenway513 m away | 56 m² | 96 m² | +40 m² +71% | 2025 |
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| 22, Court Road844 m away | 93 m² | 133 m² | +40 m² +43% | 2024 |
|---|
| 41, Derry Downs327 m away | 137 m² | 176 m² | +39 m² +28% | 2015 |
|---|
| 5, Littlejohn Road587 m away | 77 m² | 115 m² | +38 m² +49% | 2025 |
|---|
| 95, Poverest Road698 m away | 72 m² | 110 m² | +38 m² +53% | 2023 |
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| 66, Kynaston Road793 m away | 71 m² | 108 m² | +37 m² +52% | 2018 |
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| 27, Northfield Avenue331 m away | 69 m² | 105 m² | +36 m² +52% | 2026 |
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| 12, Friar Road615 m away | 77 m² | 113 m² | +36 m² +47% | 2026 |
|---|
| 30, Northfield Avenue331 m away | 53 m² | 89 m² | +36 m² +68% | 2018 |
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| 15, Perry Hall Close769 m away | 59 m² | 95 m² | +36 m² +61% | 2018 |
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| 81, Court Road700 m away | 69 m² | 104 m² | +35 m² +51% | 2024 |
|---|
| 75, Chislehurst Road992 m away | 51 m² | 86 m² | +35 m² +69% | 2014 |
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| 46, Hayfield Road824 m away | 59 m² | 93 m² | +34 m² +58% | 2022 |
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| 24, Cockmannings Road785 m away | 71 m² | 104 m² | +33 m² +46% | 2026 |
|---|
| 9, Okemore Gardens765 m away | 108 m² | 141 m² | +33 m² +31% | 2023 |
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| 10, Kynaston Road478 m away | 50 m² | 82 m² | +32 m² +64% | 2023 |
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| 2, Ronfearn Avenue589 m away | 80 m² | 111 m² | +31 m² +39% | 2024 |
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| 71, Friar Road895 m away | 107 m² | 138 m² | +31 m² +29% | 2016 |
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| 82, Lower Road361 m away | 77 m² | 107 m² | +30 m² +39% | 2022 |
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| 183, Oakdene Road988 m away | 84 m² | 114 m² | +30 m² +36% | 2020 |
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| 27, Court Road700 m away | 55 m² | 84 m² | +29 m² +53% | 2022 |
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| 22, Kynaston Road582 m away | 88 m² | 117 m² | +29 m² +33% | 2016 |
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| 27, Chislehurst Road931 m away | 97 m² | 125 m² | +28 m² +29% | 2022 |
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| 41, Chelsfield Lane815 m away | 100 m² | 128 m² | +28 m² +28% | 2021 |
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| 32, Kynaston Road582 m away | 72 m² | 100 m² | +28 m² +39% | 2020 |
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| 36, Rutland Way464 m away | 86 m² | 114 m² | +28 m² +33% | 2019 |
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| 59, Chelsfield Lane815 m away | 77 m² | 104 m² | +27 m² +35% | 2026 |
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| 6, Priorsford Avenue909 m away | 94 m² | 121 m² | +27 m² +29% | 2026 |
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| 3a, Court Road700 m away | 84 m² | 111 m² | +27 m² +32% | 2025 |
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| 33, Amherst Drive977 m away | 80 m² | 107 m² | +27 m² +34% | 2023 |
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| 76, Rookesley Road862 m away | 87 m² | 114 m² | +27 m² +31% | 2021 |
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| 29, Court Road700 m away | 93 m² | 120 m² | +27 m² +29% | 2020 |
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| 86, Crockenhill Road708 m away | 109 m² | 136 m² | +27 m² +25% | 2017 |
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| 38, May Avenue486 m away | 57 m² | 84 m² | +27 m² +47% | 2010 |
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| 28, Robinhood Green923 m away | 85 m² | 111 m² | +26 m² +31% | 2025 |
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| 48, Brow Crescent941 m away | 72 m² | 98 m² | +26 m² +36% | 2021 |
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| 165, Poverest Road947 m away | 77 m² | 102 m² | +25 m² +32% | 2026 |
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| 14, Elizabeth Way538 m away | 83 m² | 108 m² | +25 m² +30% | 2025 |
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| 2, Burrfield Drive723 m away | 80 m² | 104 m² | +24 m² +30% | 2023 |
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| 29, Hodson Crescent505 m away | 74 m² | 98 m² | +24 m² +32% | 2019 |
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| 85, Kynaston Road792 m away | 56 m² | 80 m² | +24 m² +43% | 2018 |
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| 54, Friar Road895 m away | 72 m² | 96 m² | +24 m² +33% | 2017 |
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| 20, Sanderstead Road426 m away | 56 m² | 80 m² | +24 m² +43% | 2015 |
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| 79, Court Road700 m away | 73 m² | 97 m² | +24 m² +33% | 2011 |
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| 195, High Street253 m away | 74 m² | 97 m² | +23 m² +31% | 2025 |
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| 37, Marion Crescent816 m away | 78 m² | 101 m² | +23 m² +29% | 2023 |
|---|
| 16, Oakdene Road602 m away | 89 m² | 112 m² | +23 m² +26% | 2022 |
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| 39, Elmcroft Road812 m away | 87 m² | 110 m² | +23 m² +26% | 2018 |
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| 35, Star Lane969 m away | 72 m² | 95 m² | +23 m² +32% | 2016 |
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| 75, Chelsfield Lane815 m away | 70 m² | 92 m² | +22 m² +31% | 2026 |
|---|
| Flat 17, Park View, High Street863 m away | 69 m² | 91 m² | +22 m² +32% | 2023 |
|---|
| 12, Brookmead Close673 m away | 63 m² | 85 m² | +22 m² +35% | 2022 |
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| 8, Brookmead Way481 m away | 56 m² | 78 m² | +22 m² +39% | 2017 |
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| 14, Okemore Gardens765 m away | 107 m² | 128 m² | +21 m² +20% | 2024 |
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| 26, Sussex Road354 m away | 54 m² | 75 m² | +21 m² +39% | 2023 |
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| 8, Sandway Road841 m away | 67 m² | 88 m² | +21 m² +31% | 2021 |
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| 5, Coleridge Way648 m away | 59 m² | 80 m² | +21 m² +36% | 2014 |
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| 34, Lynton Avenue772 m away | 115 m² | 136 m² | +21 m² +18% | 2012 |
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| 100, Crockenhill Road748 m away | 85 m² | 105 m² | +20 m² +24% | 2026 |
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| 155, Poverest Road947 m away | 88 m² | 108 m² | +20 m² +23% | 2023 |
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| 52, Brookmead Way481 m away | 74 m² | 94 m² | +20 m² +27% | 2022 |
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| 10, Elmcroft Road822 m away | 98 m² | 118 m² | +20 m² +20% | 2021 |
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| 54, Brookmead Way481 m away | 100 m² | 120 m² | +20 m² +20% | 2020 |
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| 14, Cross Road525 m away | 57 m² | 77 m² | +20 m² +35% | 2019 |
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| 2, May Avenue486 m away | 60 m² | 80 m² | +20 m² +33% | 2014 |
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| 32, Cockmannings Road785 m away | 52 m² | 71 m² | +19 m² +37% | 2022 |
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| 70, Mungo Park Way843 m away | 117 m² | 136 m² | +19 m² +16% | 2022 |
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| 16, Elizabeth Way538 m away | 84 m² | 103 m² | +19 m² +23% | 2019 |
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| 13, Edmund Road259 m away | 64 m² | 83 m² | +19 m² +30% | 2013 |
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| 7, Highlands Road586 m away | 54 m² | 73 m² | +19 m² +35% | 2013 |
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| 9, Court Road700 m away | 94 m² | 113 m² | +19 m² +20% | 2013 |
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| 63, Oakdene Road790 m away | 49 m² | 68 m² | +19 m² +39% | 2010 |
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| 39, Marion Crescent816 m away | 61 m² | 79 m² | +18 m² +30% | 2025 |
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| 161, Poverest Road947 m away | 96 m² | 114 m² | +18 m² +19% | 2025 |
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| 57, Cray Avenue402 m away | 63 m² | 81 m² | +18 m² +29% | 2023 |
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| 75a, High Street905 m away | 61 m² | 79 m² | +18 m² +30% | 2023 |
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| 49, Wellington Road191 m away | 54 m² | 72 m² | +18 m² +33% | 2022 |
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| 107, Oakdene Road790 m away | 46 m² | 64 m² | +18 m² +39% | 2019 |
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| 28, Chelsfield Road312 m away | 55 m² | 73 m² | +18 m² +33% | 2017 |
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| 25a, Derry Downs327 m away | 90 m² | 108 m² | +18 m² +20% | 2013 |
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| 75, Court Road700 m away | 98 m² | 115 m² | +17 m² +17% | 2025 |
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| 23, Robinhood Green805 m away | 45 m² | 62 m² | +17 m² +38% | 2024 |
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| 29, Molash Road954 m away | 80 m² | 97 m² | +17 m² +21% | 2024 |
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| 29, Northfield Avenue331 m away | 57 m² | 74 m² | +17 m² +30% | 2022 |
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| 9, Willow Close601 m away | 73 m² | 90 m² | +17 m² +23% | 2022 |
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| 51, Court Road700 m away | 61 m² | 78 m² | +17 m² +28% | 2022 |
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| 16, Wendover Way766 m away | 60 m² | 77 m² | +17 m² +28% | 2021 |
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| 66, Rookesley Road862 m away | 76 m² | 93 m² | +17 m² +22% | 2019 |
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| 4, Red Lion Close158 m away | 60 m² | 77 m² | +17 m² +28% | 2017 |
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| 8, Nicolson Road951 m away | 101 m² | 118 m² | +17 m² +17% | 2011 |
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| 64, May Avenue486 m away | 47 m² | 63 m² | +16 m² +34% | 2024 |
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| 5, Nicolson Road951 m away | 104 m² | 120 m² | +16 m² +15% | 2023 |
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| St Teresa, Cherry Orchard Close567 m away | 73 m² | 89 m² | +16 m² +22% | 2022 |
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| 1, Littlejohn Road587 m away | 61 m² | 77 m² | +16 m² +26% | 2014 |
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| 7, Roberts Close234 m away | 60 m² | 76 m² | +16 m² +27% | 2012 |
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| 2, Rookesley Road862 m away | 77 m² | 92 m² | +15 m² +19% | 2026 |
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| 87, Brow Crescent967 m away | 83 m² | 98 m² | +15 m² +18% | 2025 |
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| 17, Stanton Close537 m away | 43 m² | 58 m² | +15 m² +35% | 2024 |
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| 91, Glendower Crescent734 m away | 74 m² | 89 m² | +15 m² +20% | 2024 |
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| 20, Friar Road744 m away | 62 m² | 77 m² | +15 m² +24% | 2024 |
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| 67, East Drive456 m away | 90 m² | 105 m² | +15 m² +17% | 2021 |
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| 16, Perry Hall Close769 m away | 85 m² | 100 m² | +15 m² +18% | 2021 |
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| 6, Trentham Drive883 m away | 94 m² | 109 m² | +15 m² +16% | 2021 |
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| 92, Brookmead Way604 m away | 79 m² | 94 m² | +15 m² +19% | 2018 |
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| 56, Cray Valley Road798 m away | 75 m² | 90 m² | +15 m² +20% | 2014 |
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| 31, Star Lane969 m away | 70 m² | 85 m² | +15 m² +21% | 2014 |
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| 14, Lockesley Drive802 m away | 85 m² | 100 m² | +15 m² +18% | 2013 |
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