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 BR1 3QE
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 |
|---|---|---|---|---|
| 79, Coniston Road802 m away | 129 m² | 276 m² | +147 m² +114% | 2021 |
| 84, Avondale Road734 m away | 139 m² | 266 m² | +127 m² +91% | 2019 |
| 27, Farnaby Road767 m away | 184 m² | 299 m² | +115 m² +63% | 2025 |
| 44, Kinnaird Avenue684 m away | 112 m² | 218 m² | +106 m² +95% | 2023 |
| 170, Rangefield Road973 m away | 71 m² | 176 m² | +105 m² +148% | 2025 |
| 74, Avondale Road734 m away | 129 m² | 232 m² | +103 m² +80% | 2025 |
| 2a, Lytchet Road538 m away | 77 m² | 177 m² | +100 m² +130% | 2011 |
| 9, Park Avenue557 m away | 104 m² | 200 m² | +96 m² +92% | 2011 |
| 8, Kinnaird Avenue343 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.
| 193 m² |
| 285 m² |
| +92 m² +48% |
| 2018 |
| 126, Farnaby Road718 m away | 149 m² | 234 m² | +85 m² +57% | 2021 |
|---|
| 74, Madeira Avenue719 m away | 98 m² | 180 m² | +82 m² +84% | 2017 |
|---|
| 124, Madeira Avenue719 m away | 85 m² | 163 m² | +78 m² +92% | 2026 |
|---|
| 54, Farnaby Road734 m away | 130 m² | 208 m² | +78 m² +60% | 2023 |
|---|
| Flat 3, 22, Oaklands Road499 m away | 111 m² | 186 m² | +75 m² +68% | 2021 |
|---|
| 6, Quernmore Close546 m away | 163 m² | 238 m² | +75 m² +46% | 2015 |
|---|
| 103, Coniston Road802 m away | 103 m² | 177 m² | +74 m² +72% | 2023 |
|---|
| 96, Avondale Road734 m away | 132 m² | 202 m² | +70 m² +53% | 2025 |
|---|
| 45, Alexandra Crescent870 m away | 194 m² | 263 m² | +69 m² +36% | 2014 |
|---|
| 9, Hildenborough Gardens910 m away | 106 m² | 174 m² | +68 m² +64% | 2025 |
|---|
| 47, Alexandra Crescent870 m away | 103 m² | 170 m² | +67 m² +65% | 2014 |
|---|
| Flat 2, Beeches Court, Avondale Road807 m away | 64 m² | 129 m² | +65 m² +102% | 2025 |
|---|
| 90, Farnaby Road718 m away | 147 m² | 212 m² | +65 m² +44% | 2024 |
|---|
| 93, Farnaby Road769 m away | 85 m² | 149 m² | +64 m² +75% | 2024 |
|---|
| 103, Highland Road512 m away | 110 m² | 171 m² | +61 m² +55% | 2016 |
|---|
| 41, London Lane354 m away | 93 m² | 154 m² | +61 m² +66% | 2014 |
|---|
| 14, Warren Avenue820 m away | 91 m² | 151 m² | +60 m² +66% | 2023 |
|---|
| 6, Bromley Avenue597 m away | 82 m² | 141 m² | +59 m² +72% | 2021 |
|---|
| Brooklands Cottage, Rodway Road656 m away | 126 m² | 184 m² | +58 m² +46% | 2022 |
|---|
| 11, Glebe Road439 m away | 113 m² | 170 m² | +57 m² +50% | 2026 |
|---|
| Flat C, 15, Palace Grove706 m away | 51 m² | 108 m² | +57 m² +112% | 2024 |
|---|
| 49, Alexandra Crescent870 m away | 136 m² | 191 m² | +55 m² +40% | 2026 |
|---|
| 88, Avondale Road734 m away | 177 m² | 232 m² | +55 m² +31% | 2022 |
|---|
| 34, Croft Road531 m away | 81 m² | 135 m² | +54 m² +67% | 2022 |
|---|
| 36, Palace Grove723 m away | 61 m² | 115 m² | +54 m² +89% | 2010 |
|---|
| 33, Howard Road92 m away | 105 m² | 158 m² | +53 m² +50% | 2020 |
|---|
| 43, Madeira Avenue696 m away | 88 m² | 140 m² | +52 m² +59% | 2026 |
|---|
| 40a, Hammelton Road372 m away | 37 m² | 89 m² | +52 m² +141% | 2024 |
|---|
| 66, Babbacombe Road475 m away | 64 m² | 116 m² | +52 m² +81% | 2021 |
|---|
| Woodbury, 25, Garden Road849 m away | 328 m² | 379 m² | +51 m² +16% | 2026 |
|---|
| 56, Lansdowne Road479 m away | 167 m² | 217 m² | +50 m² +30% | 2023 |
|---|
| 11, Rodway Road599 m away | 194 m² | 244 m² | +50 m² +26% | 2017 |
|---|
| 64, Warren Avenue820 m away | 104 m² | 153 m² | +49 m² +47% | 2017 |
|---|
| 260, Rangefield Road816 m away | 41 m² | 90 m² | +49 m² +120% | 2016 |
|---|
| 71, Burnt Ash Lane924 m away | 52 m² | 100 m² | +48 m² +92% | 2026 |
|---|
| 78, Kings Avenue683 m away | 182 m² | 230 m² | +48 m² +26% | 2024 |
|---|
| 68, Warren Avenue820 m away | 89 m² | 137 m² | +48 m² +54% | 2024 |
|---|
| 39a, Ullswater Close677 m away | 48 m² | 96 m² | +48 m² +100% | 2010 |
|---|
| 3, Coppergate Close568 m away | 123 m² | 170 m² | +47 m² +38% | 2017 |
|---|
| 54, Crescent Road368 m away | 88 m² | 134 m² | +46 m² +52% | 2026 |
|---|
| 4, Farnaby Road734 m away | 144 m² | 189 m² | +45 m² +31% | 2024 |
|---|
| 2, Ullswater Close677 m away | 91 m² | 135 m² | +44 m² +48% | 2024 |
|---|
| 67, Plaistow Grove514 m away | 75 m² | 119 m² | +44 m² +59% | 2012 |
|---|
| 138, Babbacombe Road549 m away | 126 m² | 170 m² | +44 m² +35% | 2012 |
|---|
| Flat 9, Corner Apartments, 21, Upper Park Road980 m away | 108 m² | 151 m² | +43 m² +40% | 2023 |
|---|
| 25, Avondale Road671 m away | 226 m² | 269 m² | +43 m² +19% | 2018 |
|---|
| 4, London Lane211 m away | 83 m² | 126 m² | +43 m² +52% | 2015 |
|---|
| 37, Aldermary Road347 m away | 82 m² | 124 m² | +42 m² +51% | 2025 |
|---|
| 28, Babbacombe Road475 m away | 99 m² | 141 m² | +42 m² +42% | 2025 |
|---|
| Apartment 1, The Old Post Office, 3b, East Street782 m away | 65 m² | 106 m² | +41 m² +63% | 2024 |
|---|
| 41, Kinnaird Avenue343 m away | 116 m² | 157 m² | +41 m² +35% | 2023 |
|---|
| 5, Glebe Road439 m away | 111 m² | 152 m² | +41 m² +37% | 2022 |
|---|
| 25, Fairfield Road161 m away | 91 m² | 132 m² | +41 m² +45% | 2020 |
|---|
| 71, Madeira Avenue814 m away | 60 m² | 101 m² | +41 m² +68% | 2014 |
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| 19, Shortlands Gardens882 m away | 86 m² | 126 m² | +40 m² +47% | 2025 |
|---|
| 38, West Street663 m away | 106 m² | 146 m² | +40 m² +38% | 2021 |
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| 120, Farnaby Road718 m away | 143 m² | 183 m² | +40 m² +28% | 2019 |
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| 44, Brook Lane779 m away | 69 m² | 109 m² | +40 m² +58% | 2015 |
|---|
| 1, Minster Road604 m away | 149 m² | 188 m² | +39 m² +26% | 2026 |
|---|
| 6, Saxon Road107 m away | 98 m² | 137 m² | +39 m² +40% | 2021 |
|---|
| 25, Glebe Road439 m away | 62 m² | 101 m² | +39 m² +63% | 2013 |
|---|
| 62, Plaistow Lane865 m away | 63 m² | 102 m² | +39 m² +62% | 2013 |
|---|
| 75, Southover983 m away | 90 m² | 128 m² | +38 m² +42% | 2026 |
|---|
| 3, Ronalds Road412 m away | 99 m² | 137 m² | +38 m² +38% | 2024 |
|---|
| 90, Beckenham Lane977 m away | 64 m² | 102 m² | +38 m² +59% | 2018 |
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| Flat 2, 34, College Road299 m away | 42 m² | 79 m² | +37 m² +88% | 2026 |
|---|
| 17, Bromley Avenue627 m away | 105 m² | 142 m² | +37 m² +35% | 2022 |
|---|
| 8, Hawes Road747 m away | 128 m² | 165 m² | +37 m² +29% | 2022 |
|---|
| 26, Nichol Lane548 m away | 87 m² | 124 m² | +37 m² +43% | 2020 |
|---|
| 49, West Street670 m away | 90 m² | 127 m² | +37 m² +41% | 2020 |
|---|
| 46a, Morgan Road31 m away | 65 m² | 102 m² | +37 m² +57% | 2019 |
|---|
| Flat 4, 4, Burnt Ash Lane491 m away | 35 m² | 72 m² | +37 m² +106% | 2019 |
|---|
| 3, Quernmore Road554 m away | 130 m² | 167 m² | +37 m² +28% | 2014 |
|---|
| 87, Park End420 m away | 86 m² | 122 m² | +36 m² +42% | 2020 |
|---|
| 94, College Road230 m away | 97 m² | 132 m² | +35 m² +36% | 2026 |
|---|
| 39, Meadow Road972 m away | 100 m² | 135 m² | +35 m² +35% | 2021 |
|---|
| 51, London Lane354 m away | 227 m² | 262 m² | +35 m² +15% | 2019 |
|---|
| 70, Heathfield Road173 m away | 89 m² | 124 m² | +35 m² +39% | 2014 |
|---|
| 25, Morgan Road0 m away | 79 m² | 113 m² | +34 m² +43% | 2023 |
|---|
| 54, Minster Road653 m away | 96 m² | 130 m² | +34 m² +35% | 2023 |
|---|
| 32, Saxon Road107 m away | 81 m² | 115 m² | +34 m² +42% | 2020 |
|---|
| 12a, Burnt Ash Lane491 m away | 38 m² | 72 m² | +34 m² +89% | 2019 |
|---|
| 20, Kings Avenue574 m away | 96 m² | 130 m² | +34 m² +35% | 2015 |
|---|
| 1, Ullswater Close677 m away | 162 m² | 196 m² | +34 m² +21% | 2013 |
|---|
| 29, Gilbert Road92 m away | 85 m² | 118 m² | +33 m² +39% | 2025 |
|---|
| 77, College Road210 m away | 149 m² | 182 m² | +33 m² +22% | 2023 |
|---|
| 20, Meadow Road972 m away | 76 m² | 109 m² | +33 m² +43% | 2020 |
|---|
| 68, Babbacombe Road475 m away | 117 m² | 150 m² | +33 m² +28% | 2019 |
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| 29, Park Road842 m away | 113 m² | 146 m² | +33 m² +29% | 2016 |
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| 123, Avondale Road741 m away | 85 m² | 118 m² | +33 m² +39% | 2015 |
|---|
| 64, London Road264 m away | 40 m² | 72 m² | +32 m² +80% | 2025 |
|---|
| 9, Sudbury Crescent859 m away | 76 m² | 108 m² | +32 m² +42% | 2025 |
|---|
| 46, College Road299 m away | 113 m² | 145 m² | +32 m² +28% | 2019 |
|---|
| 3, Hawes Road747 m away | 65 m² | 97 m² | +32 m² +49% | 2015 |
|---|
| 4, Brackenridge, Bracken Hill Lane633 m away | 135 m² | 166 m² | +31 m² +23% | 2026 |
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| 2, Denmark Road901 m away | 180 m² | 211 m² | +31 m² +17% | 2017 |
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| 248, Rangefield Road973 m away | 71 m² | 102 m² | +31 m² +44% | 2014 |
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| 96, Southover957 m away | 76 m² | 106 m² | +30 m² +39% | 2024 |
|---|
| Flat 8, Blyth Wood Park, 20, Blyth Road567 m away | 100 m² | 129 m² | +29 m² +29% | 2021 |
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| 80, Park End420 m away | 83 m² | 112 m² | +29 m² +35% | 2019 |
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| 7, Ashcroft Court, 10, Oaklands Road510 m away | 117 m² | 146 m² | +29 m² +25% | 2016 |
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| 59, Freelands Road882 m away | 61 m² | 90 m² | +29 m² +48% | 2016 |
|---|
| 2a, Hammelton Road372 m away | 52 m² | 81 m² | +29 m² +56% | 2013 |
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| 138, Farnaby Road843 m away | 117 m² | 145 m² | +28 m² +24% | 2025 |
|---|
| 68, Howard Road92 m away | 90 m² | 118 m² | +28 m² +31% | 2024 |
|---|
| 42, Croft Road531 m away | 62 m² | 90 m² | +28 m² +45% | 2024 |
|---|
| 49, Palace Road673 m away | 36 m² | 64 m² | +28 m² +78% | 2024 |
|---|
| 7b, Farnaby Road767 m away | 61 m² | 89 m² | +28 m² +46% | 2021 |
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| 86, Beckenham Lane977 m away | 72 m² | 100 m² | +28 m² +39% | 2021 |
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| 33, Garden Road849 m away | 160 m² | 188 m² | +28 m² +18% | 2012 |
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| 37, Croft Road531 m away | 85 m² | 112 m² | +27 m² +32% | 2026 |
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| Flat 15, Uno Apartments, 1, Sherman Road650 m away | 67 m² | 94 m² | +27 m² +40% | 2025 |
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| Flat 1, Windermere Court, 26, Oaklands Road573 m away | 61 m² | 88 m² | +27 m² +44% | 2024 |
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| 7, Freelands Grove822 m away | 90 m² | 117 m² | +27 m² +30% | 2024 |
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| 25, Croft Road531 m away | 87 m² | 114 m² | +27 m² +31% | 2023 |
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| Flat 6, Hill House, Hill House Mews720 m away | 55 m² | 82 m² | +27 m² +49% | 2020 |
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| Flat 1, Sherman Court, Palace Grove657 m away | 48 m² | 75 m² | +27 m² +56% | 2018 |
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| 70, Southover885 m away | 67 m² | 94 m² | +27 m² +40% | 2015 |
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| Flat 37, Newman Court, North Street613 m away | 77 m² | 104 m² | +27 m² +35% | 2014 |
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| 17, Harleyford973 m away | 39 m² | 66 m² | +27 m² +69% | 2014 |
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| 3, Hawkshead Close694 m away | 94 m² | 120 m² | +26 m² +28% | 2021 |
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| 41, Palace Road673 m away | 55 m² | 81 m² | +26 m² +47% | 2019 |
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| 25, Park Road842 m away | 86 m² | 112 m² | +26 m² +30% | 2019 |
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| Flat 2, 19, Upper Park Road980 m away | 97 m² | 123 m² | +26 m² +27% | 2017 |
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| 71, Kings Avenue683 m away | 99 m² | 124 m² | +25 m² +25% | 2025 |
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| 79, Madeira Avenue814 m away | 119 m² | 144 m² | +25 m² +21% | 2021 |
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| 39, Heathfield Road173 m away | 66 m² | 91 m² | +25 m² +38% | 2018 |
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| 50, Burnt Ash Lane491 m away | 109 m² | 134 m² | +25 m² +23% | 2018 |
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| Flat 26, Newman Court, North Street613 m away | 69 m² | 94 m² | +25 m² +36% | 2014 |
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| 15, Recreation Road935 m away | 74 m² | 98 m² | +24 m² +32% | 2023 |
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| 39, Park End417 m away | 88 m² | 112 m² | +24 m² +27% | 2022 |
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| 10, South Street768 m away | 74 m² | 98 m² | +24 m² +32% | 2022 |
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| 7, Holligrave Road396 m away | 155 m² | 179 m² | +24 m² +15% | 2021 |
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| 91, Park End420 m away | 87 m² | 111 m² | +24 m² +28% | 2019 |
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| 37a, Freelands Road882 m away | 46 m² | 70 m² | +24 m² +52% | 2019 |
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| 60, Hope Park143 m away | 65 m² | 89 m² | +24 m² +37% | 2018 |
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| Flat 39, Blyth Wood Park, 20, Blyth Road567 m away | 147 m² | 171 m² | +24 m² +16% | 2014 |
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| 26, Plaistow Grove514 m away | 69 m² | 92 m² | +23 m² +33% | 2023 |
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| 43, Park Avenue438 m away | 124 m² | 147 m² | +23 m² +19% | 2021 |
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| 48, Recreation Road948 m away | 62 m² | 85 m² | +23 m² +37% | 2019 |
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| 12, Hawkshead Close694 m away | 81 m² | 104 m² | +23 m² +28% | 2014 |
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| 47, Sudbury Crescent859 m away | 75 m² | 98 m² | +23 m² +31% | 2013 |
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| 63, Widmore Road888 m away | 42 m² | 65 m² | +23 m² +55% | 2012 |
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| 28, Heathfield Road202 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
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| Flat 6, Empire Court, 56, Plaistow Lane865 m away | 62 m² | 84 m² | +22 m² +35% | 2022 |
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| 6, Glebe Road439 m away | 83 m² | 105 m² | +22 m² +27% | 2014 |
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| 29, Croft Road531 m away | 90 m² | 111 m² | +21 m² +23% | 2025 |
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| Flat 1, Clandon Court, 69, Burnt Ash Lane625 m away | 44 m² | 65 m² | +21 m² +48% | 2025 |
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| Flat 2, Blyth Wood Park, 20, Blyth Road567 m away | 89 m² | 110 m² | +21 m² +24% | 2021 |
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| 24, Palace Road744 m away | 54 m² | 75 m² | +21 m² +39% | 2020 |
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| 43, Croft Road531 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
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| 16, Ullswater Close677 m away | 88 m² | 108 m² | +20 m² +23% | 2026 |
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| Flat 9, Uno Apartments, 1, Sherman Road650 m away | 58 m² | 78 m² | +20 m² +34% | 2025 |
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| Flat 3, 30, Hammelton Road372 m away | 56 m² | 76 m² | +20 m² +36% | 2024 |
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| 5, Quernmore Close546 m away | 126 m² | 146 m² | +20 m² +16% | 2024 |
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| 243, Rangefield Road944 m away | 63 m² | 83 m² | +20 m² +32% | 2024 |
|---|
| 40a, Cambridge Road343 m away | 107 m² | 127 m² | +20 m² +19% | 2021 |
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| 16, Hammelton Road372 m away | 89 m² | 109 m² | +20 m² +22% | 2021 |
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| 101, Highland Road512 m away | 89 m² | 109 m² | +20 m² +22% | 2021 |
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| 3, Plymouth Road828 m away | 63 m² | 83 m² | +20 m² +32% | 2021 |
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| 13, Spencer Road509 m away | 105 m² | 125 m² | +20 m² +19% | 2020 |
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| Flat 11, Mavery Court, Grasmere Road402 m away | 51 m² | 71 m² | +20 m² +39% | 2018 |
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| 60, Plaistow Lane865 m away | 64 m² | 84 m² | +20 m² +31% | 2013 |
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| 3, North Street637 m away | 96 m² | 115 m² | +19 m² +20% | 2025 |
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| 52, Minster Road653 m away | 86 m² | 105 m² | +19 m² +22% | 2025 |
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| 27b, Park Road842 m away | 106 m² | 125 m² | +19 m² +18% | 2024 |
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| 38, Arcus Road990 m away | 81 m² | 100 m² | +19 m² +23% | 2021 |
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| 50, Madeira Avenue636 m away | 123 m² | 142 m² | +19 m² +15% | 2020 |
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| 4, Chart Close843 m away | 115 m² | 134 m² | +19 m² +17% | 2019 |
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| Flat 3, Foxleas Court, 4, Spencer Road512 m away | 52 m² | 71 m² | +19 m² +37% | 2017 |
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| 44a, Palace Road673 m away | 53 m² | 72 m² | +19 m² +36% | 2015 |
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| Flat A, 13, Freelands Road981 m away | 51 m² | 70 m² | +19 m² +37% | 2015 |
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| 28, Morgan Road31 m away | 39 m² | 57 m² | +18 m² +46% | 2026 |
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| 70, Howard Road92 m away | 82 m² | 100 m² | +18 m² +22% | 2025 |
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| 4, Garden Court, Oaklands Road406 m away | 111 m² | 129 m² | +18 m² +16% | 2025 |
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| 75, Park End420 m away | 64 m² | 82 m² | +18 m² +28% | 2024 |
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| 26, Gladwell Road763 m away | 59 m² | 77 m² | +18 m² +31% | 2024 |
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| 31a, Highland Road512 m away | 81 m² | 99 m² | +18 m² +22% | 2023 |
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| 35, Croft Road531 m away | 83 m² | 101 m² | +18 m² +22% | 2021 |
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| 9, Bracken Hill Lane619 m away | 96 m² | 114 m² | +18 m² +19% | 2021 |
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| 26c, Hammelton Road372 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
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| Flat B, 9, Lytchet Road538 m away | 56 m² | 74 m² | +18 m² +32% | 2017 |
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| 11, Bracken Hill Lane619 m away | 97 m² | 115 m² | +18 m² +19% | 2016 |
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| 19, Park End417 m away | 68 m² | 85 m² | +17 m² +25% | 2026 |
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| 35, College Road226 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
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| 32, Fairfield Road104 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
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| 16, Lytchet Road538 m away | 105 m² | 122 m² | +17 m² +16% | 2024 |
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| 40, West Street663 m away | 94 m² | 111 m² | +17 m² +18% | 2023 |
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| 48a, Alexandra Crescent870 m away | 106 m² | 123 m² | +17 m² +16% | 2023 |
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| Flat 2, 20, Garden Road913 m away | 106 m² | 123 m² | +17 m² +16% | 2023 |
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| 17, Hawkshead Close694 m away | 96 m² | 113 m² | +17 m² +18% | 2022 |
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