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 3PS
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 |
|---|---|---|---|---|
| 27, Farnaby Road544 m away | 184 m² | 299 m² | +115 m² +63% | 2025 |
| 23, Valley Road846 m away | 134 m² | 240 m² | +106 m² +79% | 2024 |
| 2a, Lytchet Road827 m away | 77 m² | 177 m² | +100 m² +130% | 2011 |
| 9, Park Avenue874 m away | 104 m² | 200 m² | +96 m² +92% | 2011 |
| 8, Kinnaird Avenue726 m away | 193 m² | 285 m² | +92 m² +48% | 2018 |
| 74, Madeira Avenue856 m away | 98 m² | 180 m² | +82 m² +84% | 2017 |
| 124, Madeira Avenue856 m away | 85 m² | 163 m² | +78 m² +92% | 2026 |
| 54, Farnaby Road473 m away | 130 m² | 208 m² | +78 m² +60% | 2023 |
| Flat 3, 22, Oaklands Road761 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.
| 111 m² |
| 186 m² |
| +75 m² +68% |
| 2021 |
| 6, Quernmore Close962 m away | 163 m² | 238 m² | +75 m² +46% | 2015 |
|---|
| 25, Rafford Way916 m away | 94 m² | 167 m² | +73 m² +78% | 2026 |
|---|
| 18, Ravensbourne Avenue855 m away | 116 m² | 187 m² | +71 m² +61% | 2025 |
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| 16, Ravensbourne Avenue855 m away | 119 m² | 187 m² | +68 m² +57% | 2026 |
|---|
| 90, Farnaby Road643 m away | 147 m² | 212 m² | +65 m² +44% | 2024 |
|---|
| 93, Farnaby Road713 m away | 85 m² | 149 m² | +64 m² +75% | 2024 |
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| 103, Highland Road372 m away | 110 m² | 171 m² | +61 m² +55% | 2016 |
|---|
| 41, London Lane691 m away | 93 m² | 154 m² | +61 m² +66% | 2014 |
|---|
| 63, Harwood Avenue765 m away | 147 m² | 207 m² | +60 m² +41% | 2024 |
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| 14, Warren Avenue936 m away | 91 m² | 151 m² | +60 m² +66% | 2023 |
|---|
| 6, Bromley Avenue650 m away | 82 m² | 141 m² | +59 m² +72% | 2021 |
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| Brooklands Cottage, Rodway Road670 m away | 126 m² | 184 m² | +58 m² +46% | 2022 |
|---|
| 11, Glebe Road247 m away | 113 m² | 170 m² | +57 m² +50% | 2026 |
|---|
| Flat C, 15, Palace Grove494 m away | 51 m² | 108 m² | +57 m² +112% | 2024 |
|---|
| 113b, Widmore Road925 m away | 52 m² | 108 m² | +56 m² +108% | 2019 |
|---|
| 166, Queen Anne Avenue938 m away | 84 m² | 139 m² | +55 m² +65% | 2026 |
|---|
| 34, Croft Road877 m away | 81 m² | 135 m² | +54 m² +67% | 2022 |
|---|
| 36, Palace Grove527 m away | 61 m² | 115 m² | +54 m² +89% | 2010 |
|---|
| 33, Howard Road328 m away | 105 m² | 158 m² | +53 m² +50% | 2020 |
|---|
| 43, Madeira Avenue759 m away | 88 m² | 140 m² | +52 m² +59% | 2026 |
|---|
| 40a, Hammelton Road49 m away | 37 m² | 89 m² | +52 m² +141% | 2024 |
|---|
| 66, Babbacombe Road432 m away | 64 m² | 116 m² | +52 m² +81% | 2021 |
|---|
| 16, Cheveney Walk871 m away | 72 m² | 124 m² | +52 m² +72% | 2015 |
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| 56, Lansdowne Road659 m away | 167 m² | 217 m² | +50 m² +30% | 2023 |
|---|
| 11, Rodway Road576 m away | 194 m² | 244 m² | +50 m² +26% | 2017 |
|---|
| 64, Warren Avenue936 m away | 104 m² | 153 m² | +49 m² +47% | 2017 |
|---|
| 68, Warren Avenue936 m away | 89 m² | 137 m² | +48 m² +54% | 2024 |
|---|
| 39a, Ullswater Close943 m away | 48 m² | 96 m² | +48 m² +100% | 2010 |
|---|
| 3, Coppergate Close582 m away | 123 m² | 170 m² | +47 m² +38% | 2017 |
|---|
| 54, Crescent Road468 m away | 88 m² | 134 m² | +46 m² +52% | 2026 |
|---|
| 33, Rafford Way916 m away | 118 m² | 164 m² | +46 m² +39% | 2026 |
|---|
| 4, Farnaby Road473 m away | 144 m² | 189 m² | +45 m² +31% | 2024 |
|---|
| 3, Henville Road957 m away | 123 m² | 168 m² | +45 m² +37% | 2020 |
|---|
| 2, Ullswater Close943 m away | 91 m² | 135 m² | +44 m² +48% | 2024 |
|---|
| 138, Babbacombe Road678 m away | 126 m² | 170 m² | +44 m² +35% | 2012 |
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| 67, Plaistow Grove729 m away | 75 m² | 119 m² | +44 m² +59% | 2012 |
|---|
| Flat 9, Corner Apartments, 21, Upper Park Road957 m away | 108 m² | 151 m² | +43 m² +40% | 2023 |
|---|
| 4, London Lane561 m away | 83 m² | 126 m² | +43 m² +52% | 2015 |
|---|
| 37, Aldermary Road297 m away | 82 m² | 124 m² | +42 m² +51% | 2025 |
|---|
| 28, Babbacombe Road432 m away | 99 m² | 141 m² | +42 m² +42% | 2025 |
|---|
| Apartment 1, The Old Post Office, 3b, East Street402 m away | 65 m² | 106 m² | +41 m² +63% | 2024 |
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| 41, Kinnaird Avenue726 m away | 116 m² | 157 m² | +41 m² +35% | 2023 |
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| 5, Glebe Road247 m away | 111 m² | 152 m² | +41 m² +37% | 2022 |
|---|
| 25, Fairfield Road505 m away | 91 m² | 132 m² | +41 m² +45% | 2020 |
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| 71, Madeira Avenue968 m away | 60 m² | 101 m² | +41 m² +68% | 2014 |
|---|
| 19, Shortlands Gardens600 m away | 86 m² | 126 m² | +40 m² +47% | 2025 |
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| 38, West Street286 m away | 106 m² | 146 m² | +40 m² +38% | 2021 |
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| 120, Farnaby Road643 m away | 143 m² | 183 m² | +40 m² +28% | 2019 |
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| 18, Cheveney Walk871 m away | 85 m² | 125 m² | +40 m² +47% | 2015 |
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| 1, Minster Road879 m away | 149 m² | 188 m² | +39 m² +26% | 2026 |
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| 6, Saxon Road482 m away | 98 m² | 137 m² | +39 m² +40% | 2021 |
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| 25, Glebe Road247 m away | 62 m² | 101 m² | +39 m² +63% | 2013 |
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| 41, Bromley Gardens831 m away | 89 m² | 127 m² | +38 m² +43% | 2026 |
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| 3, Ronalds Road329 m away | 99 m² | 137 m² | +38 m² +38% | 2024 |
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| 90, Beckenham Lane694 m away | 64 m² | 102 m² | +38 m² +59% | 2018 |
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| Flat 2, 34, College Road224 m away | 42 m² | 79 m² | +37 m² +88% | 2026 |
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| 82, Bromley Gardens862 m away | 77 m² | 114 m² | +37 m² +48% | 2024 |
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| 17, Bromley Avenue655 m away | 105 m² | 142 m² | +37 m² +35% | 2022 |
|---|
| 8, Hawes Road739 m away | 128 m² | 165 m² | +37 m² +29% | 2022 |
|---|
| 24, Ethelbert Close776 m away | 73 m² | 110 m² | +37 m² +51% | 2022 |
|---|
| 49, West Street282 m away | 90 m² | 127 m² | +37 m² +41% | 2020 |
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| 26, Nichol Lane861 m away | 87 m² | 124 m² | +37 m² +43% | 2020 |
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| 46a, Morgan Road437 m away | 65 m² | 102 m² | +37 m² +57% | 2019 |
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| Flat 4, 4, Burnt Ash Lane855 m away | 35 m² | 72 m² | +37 m² +106% | 2019 |
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| 3, Quernmore Road973 m away | 130 m² | 167 m² | +37 m² +28% | 2014 |
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| 87, Park End353 m away | 86 m² | 122 m² | +36 m² +42% | 2020 |
|---|
| 94, College Road474 m away | 97 m² | 132 m² | +35 m² +36% | 2026 |
|---|
| 39, Meadow Road727 m away | 100 m² | 135 m² | +35 m² +35% | 2021 |
|---|
| 51, London Lane691 m away | 227 m² | 262 m² | +35 m² +15% | 2019 |
|---|
| 70, Heathfield Road520 m away | 89 m² | 124 m² | +35 m² +39% | 2014 |
|---|
| 25, Morgan Road419 m away | 79 m² | 113 m² | +34 m² +43% | 2023 |
|---|
| 54, Minster Road928 m away | 96 m² | 130 m² | +34 m² +35% | 2023 |
|---|
| 32, Saxon Road482 m away | 81 m² | 115 m² | +34 m² +42% | 2020 |
|---|
| 12a, Burnt Ash Lane855 m away | 38 m² | 72 m² | +34 m² +89% | 2019 |
|---|
| 20, Kings Avenue982 m away | 96 m² | 130 m² | +34 m² +35% | 2015 |
|---|
| 1, Ullswater Close943 m away | 162 m² | 196 m² | +34 m² +21% | 2013 |
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| 29, Gilbert Road507 m away | 85 m² | 118 m² | +33 m² +39% | 2025 |
|---|
| 77, College Road500 m away | 149 m² | 182 m² | +33 m² +22% | 2023 |
|---|
| 20, Meadow Road727 m away | 76 m² | 109 m² | +33 m² +43% | 2020 |
|---|
| 68, Babbacombe Road432 m away | 117 m² | 150 m² | +33 m² +28% | 2019 |
|---|
| 51, Bromley Crescent802 m away | 70 m² | 103 m² | +33 m² +47% | 2019 |
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| 29, Park Road672 m away | 113 m² | 146 m² | +33 m² +29% | 2016 |
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| 64, London Road292 m away | 40 m² | 72 m² | +32 m² +80% | 2025 |
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| 46, College Road224 m away | 113 m² | 145 m² | +32 m² +28% | 2019 |
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| 3, Hawes Road739 m away | 65 m² | 97 m² | +32 m² +49% | 2015 |
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| 40, Valley Road904 m away | 56 m² | 88 m² | +32 m² +57% | 2009 |
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| 4, Brackenridge, Bracken Hill Lane332 m away | 135 m² | 166 m² | +31 m² +23% | 2026 |
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| 142, Ridley Road927 m away | 67 m² | 98 m² | +31 m² +46% | 2019 |
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| 2, Denmark Road699 m away | 180 m² | 211 m² | +31 m² +17% | 2017 |
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| 63, Ravensbourne Road946 m away | 101 m² | 131 m² | +30 m² +30% | 2025 |
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| 81, Martins Road696 m away | 79 m² | 109 m² | +30 m² +38% | 2023 |
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| 27, Gwydyr Road830 m away | 85 m² | 115 m² | +30 m² +35% | 2017 |
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| 3, Pump House Close846 m away | 151 m² | 180 m² | +29 m² +19% | 2026 |
|---|
| Flat 8, Blyth Wood Park, 20, Blyth Road247 m away | 100 m² | 129 m² | +29 m² +29% | 2021 |
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| 80, Park End353 m away | 83 m² | 112 m² | +29 m² +35% | 2019 |
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| 51, Rafford Way916 m away | 136 m² | 165 m² | +29 m² +21% | 2019 |
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| 7, Ashcroft Court, 10, Oaklands Road656 m away | 117 m² | 146 m² | +29 m² +25% | 2016 |
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| 59, Freelands Road873 m away | 61 m² | 90 m² | +29 m² +48% | 2016 |
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| 2a, Hammelton Road49 m away | 52 m² | 81 m² | +29 m² +56% | 2013 |
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| 138, Farnaby Road880 m away | 117 m² | 145 m² | +28 m² +24% | 2025 |
|---|
| 68, Howard Road328 m away | 90 m² | 118 m² | +28 m² +31% | 2024 |
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| 49, Palace Road600 m away | 36 m² | 64 m² | +28 m² +78% | 2024 |
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| 42, Croft Road877 m away | 62 m² | 90 m² | +28 m² +45% | 2024 |
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| 7b, Farnaby Road544 m away | 61 m² | 89 m² | +28 m² +46% | 2021 |
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| 86, Beckenham Lane694 m away | 72 m² | 100 m² | +28 m² +39% | 2021 |
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| 36, Ravensbourne Road959 m away | 86 m² | 114 m² | +28 m² +33% | 2020 |
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| 37, Croft Road877 m away | 85 m² | 112 m² | +27 m² +32% | 2026 |
|---|
| Flat 15, Uno Apartments, 1, Sherman Road422 m away | 67 m² | 94 m² | +27 m² +40% | 2025 |
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| 27, Bromley Crescent802 m away | 101 m² | 128 m² | +27 m² +27% | 2025 |
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| 6, Ravensbourne Avenue855 m away | 93 m² | 120 m² | +27 m² +29% | 2025 |
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| 7, Freelands Grove778 m away | 90 m² | 117 m² | +27 m² +30% | 2024 |
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| Flat 1, Windermere Court, 26, Oaklands Road811 m away | 61 m² | 88 m² | +27 m² +44% | 2024 |
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| 25, Croft Road877 m away | 87 m² | 114 m² | +27 m² +31% | 2023 |
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| Flat 6, Hill House, Hill House Mews311 m away | 55 m² | 82 m² | +27 m² +49% | 2020 |
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| Flat 1, Sherman Court, Palace Grove483 m away | 48 m² | 75 m² | +27 m² +56% | 2018 |
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| Flat 37, Newman Court, North Street299 m away | 77 m² | 104 m² | +27 m² +35% | 2014 |
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| 17, Harleyford971 m away | 39 m² | 66 m² | +27 m² +69% | 2014 |
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| 15, Martins Road696 m away | 104 m² | 130 m² | +26 m² +25% | 2024 |
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| 3, Hawkshead Close893 m away | 94 m² | 120 m² | +26 m² +28% | 2021 |
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| 41, Palace Road600 m away | 55 m² | 81 m² | +26 m² +47% | 2019 |
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| 25, Park Road672 m away | 86 m² | 112 m² | +26 m² +30% | 2019 |
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| Flat 2, 19, Upper Park Road957 m away | 97 m² | 123 m² | +26 m² +27% | 2017 |
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| 138, Murray Avenue916 m away | 156 m² | 181 m² | +25 m² +16% | 2024 |
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| 79, Madeira Avenue968 m away | 119 m² | 144 m² | +25 m² +21% | 2021 |
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| 39, Heathfield Road520 m away | 66 m² | 91 m² | +25 m² +38% | 2018 |
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| 13, Bromley Gardens831 m away | 87 m² | 112 m² | +25 m² +29% | 2018 |
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| 50, Burnt Ash Lane855 m away | 109 m² | 134 m² | +25 m² +23% | 2018 |
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| Flat 26, Newman Court, North Street299 m away | 69 m² | 94 m² | +25 m² +36% | 2014 |
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| 15, Recreation Road590 m away | 74 m² | 98 m² | +24 m² +32% | 2023 |
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| 39, Park End271 m away | 88 m² | 112 m² | +24 m² +27% | 2022 |
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| 10, South Street427 m away | 74 m² | 98 m² | +24 m² +32% | 2022 |
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| 7, Holligrave Road434 m away | 155 m² | 179 m² | +24 m² +15% | 2021 |
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| 91, Park End353 m away | 87 m² | 111 m² | +24 m² +28% | 2019 |
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| 37a, Freelands Road873 m away | 46 m² | 70 m² | +24 m² +52% | 2019 |
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| 60, Hope Park353 m away | 65 m² | 89 m² | +24 m² +37% | 2018 |
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| Flat 39, Blyth Wood Park, 20, Blyth Road247 m away | 147 m² | 171 m² | +24 m² +16% | 2014 |
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| 26, Plaistow Grove729 m away | 69 m² | 92 m² | +23 m² +33% | 2023 |
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| 43, Park Avenue857 m away | 124 m² | 147 m² | +23 m² +19% | 2021 |
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| 48, Recreation Road614 m away | 62 m² | 85 m² | +23 m² +37% | 2019 |
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| 128, Ridley Road927 m away | 62 m² | 85 m² | +23 m² +37% | 2019 |
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| 27, Bromley Gardens831 m away | 90 m² | 113 m² | +23 m² +26% | 2017 |
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| 12, Hawkshead Close893 m away | 81 m² | 104 m² | +23 m² +28% | 2014 |
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| Flat 2, The Chilterns, 148, Murray Avenue916 m away | 58 m² | 81 m² | +23 m² +40% | 2013 |
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| 63, Widmore Road640 m away | 42 m² | 65 m² | +23 m² +55% | 2012 |
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| 28, Heathfield Road448 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
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| Flat 6, Empire Court, 56, Plaistow Lane952 m away | 62 m² | 84 m² | +22 m² +35% | 2022 |
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| 107, Murray Avenue911 m away | 108 m² | 130 m² | +22 m² +20% | 2017 |
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| 6, Glebe Road247 m away | 83 m² | 105 m² | +22 m² +27% | 2014 |
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| 33, Martins Road696 m away | 75 m² | 97 m² | +22 m² +29% | 2013 |
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| 29, Croft Road877 m away | 90 m² | 111 m² | +21 m² +23% | 2025 |
|---|
| Flat 2, Blyth Wood Park, 20, Blyth Road247 m away | 89 m² | 110 m² | +21 m² +24% | 2021 |
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| 24, Palace Road583 m away | 54 m² | 75 m² | +21 m² +39% | 2020 |
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| 43, Croft Road877 m away | 83 m² | 104 m² | +21 m² +25% | 2015 |
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| 60, Plaistow Lane952 m away | 63 m² | 84 m² | +21 m² +33% | 2013 |
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| 16, Ullswater Close943 m away | 88 m² | 108 m² | +20 m² +23% | 2026 |
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| Flat 9, Uno Apartments, 1, Sherman Road422 m away | 58 m² | 78 m² | +20 m² +34% | 2025 |
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| 4, Forstal Close915 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
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| Flat 3, 30, Hammelton Road49 m away | 56 m² | 76 m² | +20 m² +36% | 2024 |
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| 5, Quernmore Close962 m away | 126 m² | 146 m² | +20 m² +16% | 2024 |
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| 77, Ridley Road927 m away | 107 m² | 127 m² | +20 m² +19% | 2023 |
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| 16, Hammelton Road49 m away | 89 m² | 109 m² | +20 m² +22% | 2021 |
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| 101, Highland Road372 m away | 89 m² | 109 m² | +20 m² +22% | 2021 |
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| 40a, Cambridge Road568 m away | 107 m² | 127 m² | +20 m² +19% | 2021 |
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| 3, Plymouth Road801 m away | 63 m² | 83 m² | +20 m² +32% | 2021 |
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| 13, Spencer Road697 m away | 105 m² | 125 m² | +20 m² +19% | 2020 |
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| Flat 11, Mavery Court, Grasmere Road516 m away | 51 m² | 71 m² | +20 m² +39% | 2018 |
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| 3, North Street286 m away | 96 m² | 115 m² | +19 m² +20% | 2025 |
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| 52, Minster Road928 m away | 86 m² | 105 m² | +19 m² +22% | 2025 |
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| 27b, Park Road672 m away | 106 m² | 125 m² | +19 m² +18% | 2024 |
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| 7, Bromley Crescent802 m away | 89 m² | 108 m² | +19 m² +21% | 2022 |
|---|
| 50, Madeira Avenue537 m away | 123 m² | 142 m² | +19 m² +15% | 2020 |
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| 4, Chart Close604 m away | 115 m² | 134 m² | +19 m² +17% | 2019 |
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| Flat 3, Foxleas Court, 4, Spencer Road728 m away | 52 m² | 71 m² | +19 m² +37% | 2017 |
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| 44a, Palace Road600 m away | 53 m² | 72 m² | +19 m² +36% | 2015 |
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| Flat A, 13, Freelands Road842 m away | 51 m² | 70 m² | +19 m² +37% | 2015 |
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| 28, Morgan Road437 m away | 39 m² | 57 m² | +18 m² +46% | 2026 |
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| 70, Howard Road328 m away | 82 m² | 100 m² | +18 m² +22% | 2025 |
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| 4, Garden Court, Oaklands Road601 m away | 111 m² | 129 m² | +18 m² +16% | 2025 |
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| 11, The Glen910 m away | 100 m² | 118 m² | +18 m² +18% | 2025 |
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| 75, Park End353 m away | 64 m² | 82 m² | +18 m² +28% | 2024 |
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| 31a, Highland Road372 m away | 81 m² | 99 m² | +18 m² +22% | 2023 |
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| 14, Ethelbert Close776 m away | 55 m² | 73 m² | +18 m² +33% | 2023 |
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| 9, Bracken Hill Lane324 m away | 96 m² | 114 m² | +18 m² +19% | 2021 |
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| 35, Croft Road877 m away | 83 m² | 101 m² | +18 m² +22% | 2021 |
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| 26c, Hammelton Road49 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
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| Flat B, 9, Lytchet Road827 m away | 56 m² | 74 m² | +18 m² +32% | 2017 |
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| 11, Bracken Hill Lane324 m away | 97 m² | 115 m² | +18 m² +19% | 2016 |
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| 43, Bromley Crescent802 m away | 56 m² | 74 m² | +18 m² +32% | 2016 |
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| 37, Bromley Crescent802 m away | 75 m² | 93 m² | +18 m² +24% | 2014 |
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| 19, Park End271 m away | 68 m² | 85 m² | +17 m² +25% | 2026 |
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| 35, College Road269 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
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