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 DA15 8HF
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 |
|---|---|---|---|---|
| 104, Halfway Street551 m away | 130 m² | 267 m² | +137 m² +105% | 2024 |
| 247, Days Lane436 m away | 195 m² | 312 m² | +117 m² +60% | 2026 |
| 88, Beverley Avenue38 m away | 97 m² | 197 m² | +100 m² +103% | 2017 |
| 40, Oaklands Avenue171 m away | 85 m² | 179 m² | +94 m² +111% | 2026 |
| 247, Bexley Road935 m away | 105 m² | 198 m² | +93 m² +89% | 2021 |
| 239, Bexley Road935 m away | 87 m² | 180 m² | +93 m² +107% | 2013 |
| 102, Wyncham Avenue348 m away | 79 m² | 164 m² | +85 m² +108% | 2022 |
| 249, Days Lane436 m away | 137 m² | 221 m² | +84 m² +61% | 2022 |
| 33, Queenswood Road654 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.
| 119 m² |
| 201 m² |
| +82 m² +69% |
| 2025 |
| 104, Old Farm Avenue824 m away | 85 m² | 165 m² | +80 m² +94% | 2017 |
|---|
| 11, Braundton Avenue343 m away | 111 m² | 190 m² | +79 m² +71% | 2013 |
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| 29, Cambria Close702 m away | 65 m² | 139 m² | +74 m² +114% | 2026 |
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| 19, Cambria Close702 m away | 76 m² | 150 m² | +74 m² +97% | 2026 |
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| 63, Braundton Avenue343 m away | 122 m² | 196 m² | +74 m² +61% | 2023 |
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| 36, Blackfen Road860 m away | 90 m² | 164 m² | +74 m² +82% | 2023 |
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| 3, Days Lane471 m away | 71 m² | 144 m² | +73 m² +103% | 2023 |
|---|
| 259, Old Farm Avenue879 m away | 73 m² | 146 m² | +73 m² +100% | 2021 |
|---|
| 103, Marlborough Park Avenue609 m away | 87 m² | 158 m² | +71 m² +82% | 2025 |
|---|
| 109, Days Lane289 m away | 58 m² | 124 m² | +66 m² +114% | 2021 |
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| 253, Old Farm Avenue879 m away | 54 m² | 119 m² | +65 m² +120% | 2021 |
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| 4, Annandale Road138 m away | 62 m² | 127 m² | +65 m² +105% | 2020 |
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| 2, Penshurst Avenue977 m away | 51 m² | 116 m² | +65 m² +127% | 2011 |
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| 47, Valliers Wood Road718 m away | 88 m² | 152 m² | +64 m² +73% | 2014 |
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| 117, Raeburn Road735 m away | 74 m² | 136 m² | +62 m² +84% | 2022 |
|---|
| 12, Annandale Road138 m away | 58 m² | 119 m² | +61 m² +105% | 2026 |
|---|
| 28, Beech Avenue565 m away | 86 m² | 147 m² | +61 m² +71% | 2020 |
|---|
| 8, Shuttle Close153 m away | 66 m² | 125 m² | +59 m² +89% | 2021 |
|---|
| 1, Harborough Avenue97 m away | 53 m² | 112 m² | +59 m² +111% | 2018 |
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| 29, Montrose Avenue843 m away | 129 m² | 186 m² | +57 m² +44% | 2023 |
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| 9, Oaklands Avenue196 m away | 59 m² | 116 m² | +57 m² +97% | 2011 |
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| 46, Elmcroft Avenue507 m away | 81 m² | 138 m² | +57 m² +70% | 2011 |
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| 213, Restons Crescent716 m away | 104 m² | 160 m² | +56 m² +54% | 2026 |
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| 67, Woodlands Avenue352 m away | 110 m² | 166 m² | +56 m² +51% | 2024 |
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| 33, Cavendish Avenue771 m away | 93 m² | 149 m² | +56 m² +60% | 2024 |
|---|
| 92, Wellington Avenue752 m away | 71 m² | 127 m² | +56 m² +79% | 2021 |
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| 117, Penshurst Avenue957 m away | 58 m² | 114 m² | +56 m² +97% | 2021 |
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| 298, Burnt Oak Lane666 m away | 51 m² | 106 m² | +55 m² +108% | 2019 |
|---|
| 124, Old Farm Avenue824 m away | 89 m² | 143 m² | +54 m² +61% | 2024 |
|---|
| 227, Old Farm Avenue824 m away | 56 m² | 108 m² | +52 m² +93% | 2018 |
|---|
| 7, Old Farm Road West843 m away | 107 m² | 159 m² | +52 m² +49% | 2015 |
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| 131, Old Farm Avenue858 m away | 84 m² | 135 m² | +51 m² +61% | 2020 |
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| 60, Willersley Avenue350 m away | 98 m² | 148 m² | +50 m² +51% | 2026 |
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| 88, Raeburn Road774 m away | 86 m² | 136 m² | +50 m² +58% | 2026 |
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| 13, Cavendish Avenue771 m away | 94 m² | 144 m² | +50 m² +53% | 2020 |
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| 17, Harborough Avenue97 m away | 57 m² | 107 m² | +50 m² +88% | 2019 |
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| 50, Valliers Wood Road755 m away | 85 m² | 134 m² | +49 m² +58% | 2015 |
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| 175, Halfway Street594 m away | 85 m² | 134 m² | +49 m² +58% | 2013 |
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| 81, Marlborough Park Avenue609 m away | 90 m² | 138 m² | +48 m² +53% | 2026 |
|---|
| 85, Wyncham Avenue344 m away | 52 m² | 100 m² | +48 m² +92% | 2021 |
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| 3, Overmead809 m away | 117 m² | 165 m² | +48 m² +41% | 2019 |
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| 97, Willersley Avenue241 m away | 68 m² | 115 m² | +47 m² +69% | 2020 |
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| 80, Old Farm Avenue824 m away | 60 m² | 107 m² | +47 m² +78% | 2014 |
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| 83, Wyncham Avenue344 m away | 53 m² | 99 m² | +46 m² +87% | 2026 |
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| 19, Oaklands Avenue196 m away | 52 m² | 98 m² | +46 m² +88% | 2024 |
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| 25, Somerhill Avenue958 m away | 91 m² | 137 m² | +46 m² +51% | 2022 |
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| 65, Woodlands Avenue352 m away | 98 m² | 144 m² | +46 m² +47% | 2019 |
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| 57, Ellison Road886 m away | 85 m² | 131 m² | +46 m² +54% | 2019 |
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| 17, Woodbine Road451 m away | 84 m² | 129 m² | +45 m² +54% | 2016 |
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| 316, Bexley Road935 m away | 93 m² | 137 m² | +44 m² +47% | 2026 |
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| 6, Bernards Court, Ellison Road656 m away | 41 m² | 85 m² | +44 m² +107% | 2024 |
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| 81, Wyncham Avenue344 m away | 53 m² | 97 m² | +44 m² +83% | 2022 |
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| 215, Halfway Street582 m away | 85 m² | 129 m² | +44 m² +52% | 2016 |
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| 41, Burnt Oak Lane892 m away | 122 m² | 165 m² | +43 m² +35% | 2021 |
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| 4, Raeburn Road612 m away | 63 m² | 106 m² | +43 m² +68% | 2018 |
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| 69, Beverley Avenue0 m away | 67 m² | 109 m² | +42 m² +63% | 2024 |
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| 20, Fairfield Close673 m away | 73 m² | 115 m² | +42 m² +58% | 2023 |
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| 13, Maple Leaf Drive525 m away | 158 m² | 200 m² | +42 m² +27% | 2021 |
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| 1, Forest Way735 m away | 81 m² | 123 m² | +42 m² +52% | 2020 |
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| 9, Sycamore Avenue832 m away | 79 m² | 121 m² | +42 m² +53% | 2020 |
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| 23, Curran Avenue993 m away | 68 m² | 109 m² | +41 m² +60% | 2024 |
|---|
| 4, Brookend Road760 m away | 68 m² | 109 m² | +41 m² +60% | 2021 |
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| 280, Avery Hill Road881 m away | 113 m² | 154 m² | +41 m² +36% | 2018 |
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| 46, Sycamore Avenue832 m away | 72 m² | 112 m² | +40 m² +56% | 2026 |
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| 159, Willersley Avenue449 m away | 125 m² | 165 m² | +40 m² +32% | 2024 |
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| 28, Wellington Avenue816 m away | 75 m² | 115 m² | +40 m² +53% | 2023 |
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| 55, Ellison Road886 m away | 84 m² | 123 m² | +39 m² +46% | 2012 |
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| 9, Wyncham Avenue344 m away | 56 m² | 94 m² | +38 m² +68% | 2022 |
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| 257, Old Farm Avenue879 m away | 85 m² | 123 m² | +38 m² +45% | 2020 |
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| 31, Montrose Avenue843 m away | 101 m² | 139 m² | +38 m² +38% | 2017 |
|---|
| 5, Elmcroft Avenue541 m away | 80 m² | 117 m² | +37 m² +46% | 2022 |
|---|
| 12a, Lime Grove790 m away | 91 m² | 127 m² | +36 m² +40% | 2025 |
|---|
| 155, Old Farm Avenue858 m away | 156 m² | 192 m² | +36 m² +23% | 2024 |
|---|
| 67, Restons Crescent850 m away | 100 m² | 136 m² | +36 m² +36% | 2018 |
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| 25, Curran Avenue993 m away | 48 m² | 84 m² | +36 m² +75% | 2013 |
|---|
| 86, Corbylands Road275 m away | 83 m² | 119 m² | +36 m² +43% | 2011 |
|---|
| 300, Burnt Oak Lane666 m away | 58 m² | 93 m² | +35 m² +60% | 2026 |
|---|
| 3, Elder Close403 m away | 143 m² | 178 m² | +35 m² +24% | 2021 |
|---|
| 38, Holbeach Gardens472 m away | 60 m² | 95 m² | +35 m² +58% | 2021 |
|---|
| 36, Wellington Avenue816 m away | 65 m² | 100 m² | +35 m² +54% | 2021 |
|---|
| 40, Southspring636 m away | 105 m² | 140 m² | +35 m² +33% | 2020 |
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| 21a, Blackfen Road911 m away | 50 m² | 85 m² | +35 m² +70% | 2017 |
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| 24, Raeburn Road612 m away | 98 m² | 132 m² | +34 m² +35% | 2024 |
|---|
| 86, Raeburn Road774 m away | 94 m² | 128 m² | +34 m² +36% | 2021 |
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| 64, Elmcroft Avenue507 m away | 89 m² | 122 m² | +33 m² +37% | 2025 |
|---|
| 7, Lamorbey Close735 m away | 80 m² | 113 m² | +33 m² +41% | 2024 |
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| 14, Valliers Wood Road755 m away | 88 m² | 121 m² | +33 m² +38% | 2022 |
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| 128, Old Farm Avenue790 m away | 171 m² | 204 m² | +33 m² +19% | 2022 |
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| 56, Wyncham Avenue348 m away | 67 m² | 100 m² | +33 m² +49% | 2021 |
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| 50, Shuttle Close153 m away | 201 m² | 234 m² | +33 m² +16% | 2017 |
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| 145, Old Farm Avenue858 m away | 79 m² | 112 m² | +33 m² +42% | 2015 |
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| 12, Oaklands Avenue171 m away | 98 m² | 130 m² | +32 m² +33% | 2025 |
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| 37, Sidewood Road983 m away | 95 m² | 127 m² | +32 m² +34% | 2024 |
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| 290, Avery Hill Road881 m away | 193 m² | 225 m² | +32 m² +17% | 2023 |
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| 2, Elmcroft Avenue507 m away | 88 m² | 120 m² | +32 m² +36% | 2020 |
|---|
| 38, Valliers Wood Road755 m away | 85 m² | 117 m² | +32 m² +38% | 2020 |
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| 185, Old Farm Avenue824 m away | 74 m² | 106 m² | +32 m² +43% | 2019 |
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| 287, Old Farm Avenue879 m away | 81 m² | 112 m² | +31 m² +38% | 2017 |
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| 99, Berwick Crescent325 m away | 56 m² | 87 m² | +31 m² +55% | 2009 |
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| 62, Raeburn Road612 m away | 111 m² | 141 m² | +30 m² +27% | 2022 |
|---|
| 25, Wyncham Avenue344 m away | 79 m² | 108 m² | +29 m² +37% | 2025 |
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| 114, Blackfen Road875 m away | 87 m² | 116 m² | +29 m² +33% | 2024 |
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| 34, Woodlands Avenue357 m away | 92 m² | 121 m² | +29 m² +32% | 2023 |
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| 26, Harman Drive525 m away | 77 m² | 106 m² | +29 m² +38% | 2022 |
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| 11, Wyncham Avenue344 m away | 76 m² | 105 m² | +29 m² +38% | 2021 |
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| 323, Halfway Street711 m away | 113 m² | 142 m² | +29 m² +26% | 2021 |
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| 69, Burnt Oak Lane857 m away | 142 m² | 171 m² | +29 m² +20% | 2021 |
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| 29, Beech Avenue565 m away | 92 m² | 121 m² | +29 m² +32% | 2014 |
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| 44, Days Lane427 m away | 94 m² | 122 m² | +28 m² +30% | 2021 |
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| 68, Elmcroft Avenue507 m away | 116 m² | 144 m² | +28 m² +24% | 2019 |
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| 10, Norfolk Crescent449 m away | 72 m² | 99 m² | +27 m² +38% | 2026 |
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| 39, Montrose Avenue843 m away | 100 m² | 127 m² | +27 m² +27% | 2025 |
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| 49, Burnt Oak Lane892 m away | 135 m² | 162 m² | +27 m² +20% | 2025 |
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| 63, Woodlands Avenue352 m away | 100 m² | 127 m² | +27 m² +27% | 2024 |
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| 72, Beverley Avenue38 m away | 79 m² | 106 m² | +27 m² +34% | 2021 |
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| 11, Firside Grove606 m away | 86 m² | 113 m² | +27 m² +31% | 2020 |
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| 2a, Fen Grove716 m away | 94 m² | 121 m² | +27 m² +29% | 2017 |
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| 54, Old Farm Avenue960 m away | 109 m² | 136 m² | +27 m² +25% | 2017 |
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| 87, Penshurst Avenue957 m away | 62 m² | 88 m² | +26 m² +42% | 2022 |
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| 7, Arlington Close502 m away | 74 m² | 100 m² | +26 m² +35% | 2020 |
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| 32, Rowanwood Avenue625 m away | 135 m² | 161 m² | +26 m² +19% | 2019 |
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| 16, Old Farm Road East968 m away | 74 m² | 99 m² | +25 m² +34% | 2025 |
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| 33, Portland Avenue920 m away | 72 m² | 97 m² | +25 m² +35% | 2019 |
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| 151, Willersley Avenue449 m away | 91 m² | 116 m² | +25 m² +27% | 2013 |
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| 6, Sycamore Avenue832 m away | 79 m² | 103 m² | +24 m² +30% | 2024 |
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| 111, Burnt Oak Lane938 m away | 125 m² | 149 m² | +24 m² +19% | 2024 |
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| 77, Wyncham Avenue344 m away | 63 m² | 87 m² | +24 m² +38% | 2022 |
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| 2, Corbylands Road435 m away | 110 m² | 134 m² | +24 m² +22% | 2022 |
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| 255, Burnt Oak Lane630 m away | 86 m² | 110 m² | +24 m² +28% | 2020 |
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| 8, Penshurst Avenue977 m away | 88 m² | 112 m² | +24 m² +27% | 2020 |
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| 25, Days Lane471 m away | 100 m² | 124 m² | +24 m² +24% | 2019 |
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| 40, Braundton Avenue365 m away | 116 m² | 140 m² | +24 m² +21% | 2017 |
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| 10, Shuttle Close153 m away | 99 m² | 123 m² | +24 m² +24% | 2009 |
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| Flat 19, Ospringe Court, Alderwood Road739 m away | 54 m² | 78 m² | +24 m² +44% | 2009 |
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| 15, Radfield Way679 m away | 98 m² | 121 m² | +23 m² +23% | 2024 |
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| 35, Corbylands Road435 m away | 76 m² | 99 m² | +23 m² +30% | 2022 |
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| 35, Burnt Oak Lane892 m away | 98 m² | 121 m² | +23 m² +23% | 2019 |
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| 98, Berwick Crescent397 m away | 67 m² | 90 m² | +23 m² +34% | 2017 |
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| 130, Berwick Crescent397 m away | 55 m² | 77 m² | +22 m² +40% | 2025 |
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| 284, Burnt Oak Lane666 m away | 65 m² | 87 m² | +22 m² +34% | 2024 |
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| 72, Oaklands Avenue171 m away | 74 m² | 96 m² | +22 m² +30% | 2023 |
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| 243, Old Farm Avenue879 m away | 93 m² | 115 m² | +22 m² +24% | 2022 |
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| 16, Leechcroft Avenue981 m away | 81 m² | 103 m² | +22 m² +27% | 2019 |
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| 13, Woodlands Avenue352 m away | 70 m² | 92 m² | +22 m² +31% | 2013 |
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| 223, Old Farm Avenue824 m away | 70 m² | 91 m² | +21 m² +30% | 2025 |
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| 50, Rosebery Avenue320 m away | 59 m² | 80 m² | +21 m² +36% | 2024 |
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| 39, Crombie Road817 m away | 95 m² | 116 m² | +21 m² +22% | 2024 |
|---|
| 6, Corbylands Road435 m away | 87 m² | 107 m² | +20 m² +23% | 2023 |
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| 256, Avery Hill Road881 m away | 119 m² | 139 m² | +20 m² +17% | 2022 |
|---|
| 35, Woodlands Avenue352 m away | 70 m² | 90 m² | +20 m² +29% | 2016 |
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| 19, Crombie Road817 m away | 121 m² | 141 m² | +20 m² +17% | 2014 |
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| 17, Holbeach Gardens472 m away | 59 m² | 78 m² | +19 m² +32% | 2022 |
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| 172, Blackfen Road888 m away | 91 m² | 110 m² | +19 m² +21% | 2020 |
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| 18, Berwick Crescent310 m away | 68 m² | 86 m² | +18 m² +26% | 2025 |
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| 113, Marlborough Park Avenue609 m away | 120 m² | 138 m² | +18 m² +15% | 2023 |
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| 10, Southspring620 m away | 73 m² | 91 m² | +18 m² +25% | 2022 |
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| 106, Anstridge Road925 m away | 33 m² | 51 m² | +18 m² +55% | 2019 |
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| 100, Berwick Crescent397 m away | 79 m² | 96 m² | +17 m² +22% | 2024 |
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| 120, Fen Grove450 m away | 71 m² | 88 m² | +17 m² +24% | 2024 |
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| Flat 14, Lydden Court, Restons Crescent636 m away | 55 m² | 72 m² | +17 m² +31% | 2024 |
|---|
| 57, Beverley Avenue0 m away | 59 m² | 76 m² | +17 m² +29% | 2023 |
|---|
| 46, Fen Grove716 m away | 73 m² | 90 m² | +17 m² +23% | 2023 |
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| 2, Beverley Avenue38 m away | 103 m² | 120 m² | +17 m² +17% | 2021 |
|---|
| 1, Brookend Road760 m away | 84 m² | 101 m² | +17 m² +20% | 2019 |
|---|
| 130a, Parish Gate Drive751 m away | 94 m² | 111 m² | +17 m² +18% | 2017 |
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| 14, Ellison Road787 m away | 89 m² | 105 m² | +16 m² +18% | 2026 |
|---|
| 230, Old Farm Avenue828 m away | 66 m² | 82 m² | +16 m² +24% | 2026 |
|---|
| 76, Parish Gate Drive751 m away | 36 m² | 52 m² | +16 m² +44% | 2025 |
|---|
| 36, Alderwood Road868 m away | 55 m² | 71 m² | +16 m² +29% | 2024 |
|---|
| Flat 40, Ospringe Court, Alderwood Road739 m away | 49 m² | 65 m² | +16 m² +33% | 2023 |
|---|
| 228, Old Farm Avenue828 m away | 65 m² | 81 m² | +16 m² +25% | 2023 |
|---|
| 86, Days Lane155 m away | 62 m² | 78 m² | +16 m² +26% | 2022 |
|---|
| 3, Bernards Court, Ellison Road656 m away | 30 m² | 46 m² | +16 m² +53% | 2022 |
|---|
| 37, Orchard Rise East956 m away | 64 m² | 80 m² | +16 m² +25% | 2022 |
|---|
| 2a, Annandale Road138 m away | 75 m² | 91 m² | +16 m² +21% | 2020 |
|---|
| 31, Southspring636 m away | 74 m² | 90 m² | +16 m² +22% | 2020 |
|---|
| 3, Perpins Road647 m away | 87 m² | 103 m² | +16 m² +18% | 2020 |
|---|
| 19, Wyncham Avenue344 m away | 71 m² | 87 m² | +16 m² +23% | 2016 |
|---|
| 104, Berwick Crescent397 m away | 58 m² | 74 m² | +16 m² +28% | 2015 |
|---|
| 57, Ashcroft Avenue785 m away | 92 m² | 108 m² | +16 m² +17% | 2015 |
|---|
| 12, Perpins Road647 m away | 94 m² | 109 m² | +15 m² +16% | 2026 |
|---|
| 60, Beverley Avenue38 m away | 77 m² | 92 m² | +15 m² +19% | 2025 |
|---|
| 30, Pinewood Avenue678 m away | 79 m² | 94 m² | +15 m² +19% | 2023 |
|---|
| 146, Days Lane155 m away | 50 m² | 65 m² | +15 m² +30% | 2021 |
|---|
| 4, Firside Grove606 m away | 88 m² | 103 m² | +15 m² +17% | 2021 |
|---|
| Flat 18, Lydden Court, Restons Crescent636 m away | 73 m² | 88 m² | +15 m² +21% | 2020 |
|---|
| 19, Lime Grove782 m away | 72 m² | 87 m² | +15 m² +21% | 2020 |
|---|
| 14, Old Farm Road West843 m away | 90 m² | 105 m² | +15 m² +17% | 2020 |
|---|
| 11, Harborough Avenue97 m away | 46 m² | 61 m² | +15 m² +33% | 2018 |
|---|
| 38, Penshurst Avenue977 m away | 96 m² | 111 m² | +15 m² +16% | 2014 |
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