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 E17 5FU
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 |
|---|---|---|---|---|
| 52, Rowden Road965 m away | 89 m² | 183 m² | +94 m² +106% | 2020 |
| 72, Cecil Road496 m away | 105 m² | 193 m² | +88 m² +84% | 2015 |
| 2, Kelmscott Close463 m away | 86 m² | 168 m² | +82 m² +95% | 2019 |
| 117, Carlton Road584 m away | 72 m² | 152 m² | +80 m² +111% | 2018 |
| 56a, Cecil Road496 m away | 118 m² | 197 m² | +79 m² +67% | 2020 |
| 57, Salisbury Hall Gardens864 m away | 89 m² | 166 m² | +77 m² +87% | 2022 |
| 37, Rowden Park Gardens853 m away | 92 m² | 165 m² | +73 m² +79% | 2025 |
| 15, Fairview Close612 m away | 95 m² | 164 m² | +69 m² +73% | 2024 |
| 11, Knebworth Avenue558 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.
| 74 m² |
| 141 m² |
| +67 m² +91% |
| 2021 |
| 12, Knebworth Avenue538 m away | 58 m² | 122 m² | +64 m² +110% | 2025 |
|---|
| 16, Marten Road810 m away | 52 m² | 116 m² | +64 m² +123% | 2024 |
|---|
| 217, Higham Hill Road872 m away | 62 m² | 125 m² | +63 m² +102% | 2018 |
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| 82, Beresford Road904 m away | 82 m² | 142 m² | +60 m² +73% | 2023 |
|---|
| 23, Sinnott Road925 m away | 66 m² | 126 m² | +60 m² +91% | 2015 |
|---|
| 43, Marten Road832 m away | 76 m² | 134 m² | +58 m² +76% | 2022 |
|---|
| 118, Carlton Road589 m away | 74 m² | 132 m² | +58 m² +78% | 2020 |
|---|
| 237, Billet Road606 m away | 100 m² | 156 m² | +56 m² +56% | 2019 |
|---|
| 2, Minerva Road937 m away | 101 m² | 156 m² | +55 m² +54% | 2025 |
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| 18, Grove Park Avenue770 m away | 86 m² | 139 m² | +53 m² +62% | 2022 |
|---|
| 42, Aveling Park Road778 m away | 83 m² | 134 m² | +51 m² +61% | 2025 |
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| 47, Kitchener Road955 m away | 80 m² | 130 m² | +50 m² +63% | 2025 |
|---|
| 36, Aveling Park Road778 m away | 83 m² | 133 m² | +50 m² +60% | 2014 |
|---|
| 48, Empress Avenue767 m away | 147 m² | 196 m² | +49 m² +33% | 2025 |
|---|
| 203, Chingford Road857 m away | 70 m² | 118 m² | +48 m² +69% | 2026 |
|---|
| 94, Gloucester Road890 m away | 86 m² | 134 m² | +48 m² +56% | 2021 |
|---|
| 183, Winns Avenue961 m away | 86 m² | 133 m² | +47 m² +55% | 2026 |
|---|
| 95, Penrhyn Avenue509 m away | 75 m² | 122 m² | +47 m² +63% | 2022 |
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| 89, Penrhyn Avenue509 m away | 85 m² | 132 m² | +47 m² +55% | 2021 |
|---|
| 75, Marten Road832 m away | 75 m² | 121 m² | +46 m² +61% | 2022 |
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| 117, Bedford Road971 m away | 64 m² | 110 m² | +46 m² +72% | 2021 |
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| 140, Bramley Close892 m away | 93 m² | 139 m² | +46 m² +49% | 2020 |
|---|
| 16, Cecil Road496 m away | 86 m² | 131 m² | +45 m² +52% | 2023 |
|---|
| 82, Aveling Park Road778 m away | 87 m² | 132 m² | +45 m² +52% | 2023 |
|---|
| 226, Higham Hill Road872 m away | 77 m² | 122 m² | +45 m² +58% | 2022 |
|---|
| 52, Aveling Park Road778 m away | 79 m² | 123 m² | +44 m² +56% | 2019 |
|---|
| 59, Marten Road832 m away | 79 m² | 123 m² | +44 m² +56% | 2016 |
|---|
| 68, Priors Croft583 m away | 70 m² | 113 m² | +43 m² +61% | 2024 |
|---|
| 34, Cumberland Road810 m away | 73 m² | 116 m² | +43 m² +59% | 2022 |
|---|
| 265, Chingford Road857 m away | 101 m² | 144 m² | +43 m² +43% | 2022 |
|---|
| 31, Hamilton Road929 m away | 72 m² | 115 m² | +43 m² +60% | 2021 |
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| 26, Beresford Road904 m away | 70 m² | 113 m² | +43 m² +61% | 2020 |
|---|
| 3, Kelmscott Close463 m away | 82 m² | 125 m² | +43 m² +52% | 2018 |
|---|
| 18, Carlton Road589 m away | 76 m² | 118 m² | +42 m² +55% | 2025 |
|---|
| 120, Bramley Close892 m away | 83 m² | 125 m² | +42 m² +51% | 2024 |
|---|
| 134, Bramley Close892 m away | 122 m² | 163 m² | +41 m² +34% | 2026 |
|---|
| 60, Oakfield Road757 m away | 66 m² | 107 m² | +41 m² +62% | 2011 |
|---|
| 84, Millfield Avenue385 m away | 96 m² | 135 m² | +39 m² +41% | 2026 |
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| 33, Colville Road938 m away | 68 m² | 107 m² | +39 m² +57% | 2026 |
|---|
| 8, Marten Road810 m away | 81 m² | 120 m² | +39 m² +48% | 2025 |
|---|
| 100, Bedford Road971 m away | 69 m² | 107 m² | +38 m² +55% | 2024 |
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| 102, Douglas Avenue275 m away | 37 m² | 75 m² | +38 m² +103% | 2022 |
|---|
| 88, Bedford Road971 m away | 67 m² | 105 m² | +38 m² +57% | 2015 |
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| 4, Rowden Road965 m away | 115 m² | 152 m² | +37 m² +32% | 2026 |
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| 36, Carlton Road589 m away | 74 m² | 111 m² | +37 m² +50% | 2025 |
|---|
| 133, Chingford Road906 m away | 88 m² | 125 m² | +37 m² +42% | 2020 |
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| 98, Bedford Road971 m away | 74 m² | 111 m² | +37 m² +50% | 2017 |
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| 22, Oakfield Road757 m away | 69 m² | 105 m² | +36 m² +52% | 2026 |
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| 247, Chingford Road857 m away | 98 m² | 134 m² | +36 m² +37% | 2016 |
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| 19, Pennant Terrace517 m away | 70 m² | 105 m² | +35 m² +50% | 2025 |
|---|
| 13a, Norfolk Road956 m away | 60 m² | 95 m² | +35 m² +58% | 2013 |
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| 360, Higham Hill Road692 m away | 87 m² | 121 m² | +34 m² +39% | 2026 |
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| 42, Cazenove Road733 m away | 85 m² | 119 m² | +34 m² +40% | 2024 |
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| 89, Kitchener Road955 m away | 99 m² | 133 m² | +34 m² +34% | 2023 |
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| 218, Brettenham Road602 m away | 70 m² | 104 m² | +34 m² +49% | 2016 |
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| 3, Cumberland Road810 m away | 89 m² | 123 m² | +34 m² +38% | 2016 |
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| 123, Billet Road192 m away | 48 m² | 81 m² | +33 m² +69% | 2025 |
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| 2, Mount Pleasant Road731 m away | 75 m² | 108 m² | +33 m² +44% | 2025 |
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| 121, Manor Road601 m away | 82 m² | 115 m² | +33 m² +40% | 2024 |
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| 23, Cooper Avenue779 m away | 96 m² | 129 m² | +33 m² +34% | 2024 |
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| 8, Valognes Avenue644 m away | 75 m² | 108 m² | +33 m² +44% | 2015 |
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| 139, Bramley Close892 m away | 95 m² | 127 m² | +32 m² +34% | 2025 |
|---|
| 18, Colville Road938 m away | 68 m² | 100 m² | +32 m² +47% | 2025 |
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| 16, Knebworth Avenue538 m away | 80 m² | 112 m² | +32 m² +40% | 2024 |
|---|
| 1, Fleeming Road605 m away | 38 m² | 70 m² | +32 m² +84% | 2022 |
|---|
| 65, Lawrence Avenue873 m away | 178 m² | 210 m² | +32 m² +18% | 2016 |
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| 48, The Mile End992 m away | 84 m² | 115 m² | +31 m² +37% | 2024 |
|---|
| 1, Carlton Road584 m away | 73 m² | 104 m² | +31 m² +42% | 2022 |
|---|
| 22, Rushbrook Crescent445 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
|---|
| 117, Aveling Park Road757 m away | 84 m² | 115 m² | +31 m² +37% | 2021 |
|---|
| 46, Cazenove Road733 m away | 79 m² | 109 m² | +30 m² +38% | 2026 |
|---|
| 14, Cumberland Road810 m away | 76 m² | 106 m² | +30 m² +39% | 2026 |
|---|
| 9, Empress Avenue767 m away | 83 m² | 113 m² | +30 m² +36% | 2017 |
|---|
| 4, Douglas Avenue275 m away | 77 m² | 107 m² | +30 m² +39% | 2015 |
|---|
| 11, Mayfield Road927 m away | 58 m² | 88 m² | +30 m² +52% | 2014 |
|---|
| 13, Cazenove Road733 m away | 91 m² | 120 m² | +29 m² +32% | 2026 |
|---|
| 20, Fleeming Road775 m away | 59 m² | 88 m² | +29 m² +49% | 2025 |
|---|
| 14, Guildsway369 m away | 87 m² | 116 m² | +29 m² +33% | 2023 |
|---|
| 67, Marten Road832 m away | 83 m² | 112 m² | +29 m² +35% | 2023 |
|---|
| 4, Empress Avenue767 m away | 106 m² | 135 m² | +29 m² +27% | 2021 |
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| 39, Marten Road832 m away | 82 m² | 111 m² | +29 m² +35% | 2021 |
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| 132, Penrhyn Avenue532 m away | 68 m² | 97 m² | +29 m² +43% | 2020 |
|---|
| 8, Lewis Avenue540 m away | 75 m² | 103 m² | +28 m² +37% | 2024 |
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| 36, Mayfield Road927 m away | 77 m² | 105 m² | +28 m² +36% | 2024 |
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| 49, Brookscroft Road934 m away | 78 m² | 106 m² | +28 m² +36% | 2024 |
|---|
| 59, Millfield Avenue458 m away | 92 m² | 120 m² | +28 m² +30% | 2023 |
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| 12, Marten Road810 m away | 74 m² | 102 m² | +28 m² +38% | 2020 |
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| 46, Manor Road652 m away | 87 m² | 115 m² | +28 m² +32% | 2019 |
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| 129, Kitchener Road955 m away | 104 m² | 132 m² | +28 m² +27% | 2018 |
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| 33, North Countess Road243 m away | 66 m² | 94 m² | +28 m² +42% | 2016 |
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| 145, Bramley Close892 m away | 112 m² | 139 m² | +27 m² +24% | 2026 |
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| 101, Winns Avenue923 m away | 74 m² | 101 m² | +27 m² +36% | 2026 |
|---|
| 180, Fleeming Road587 m away | 69 m² | 96 m² | +27 m² +39% | 2020 |
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| 172, Winns Avenue990 m away | 89 m² | 116 m² | +27 m² +30% | 2017 |
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| 16, Hazel Way985 m away | 71 m² | 98 m² | +27 m² +38% | 2013 |
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| 38, Claremont Road846 m away | 89 m² | 115 m² | +26 m² +29% | 2026 |
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| 19, Fairfield Road990 m away | 86 m² | 112 m² | +26 m² +30% | 2025 |
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| 141, Brettenham Road570 m away | 66 m² | 92 m² | +26 m² +39% | 2024 |
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| 47, Elphinstone Road795 m away | 76 m² | 102 m² | +26 m² +34% | 2024 |
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| 6, Hamilton Road929 m away | 101 m² | 127 m² | +26 m² +26% | 2022 |
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| 67, Kimberley Road212 m away | 80 m² | 106 m² | +26 m² +33% | 2020 |
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| 3, Aveling Park Road872 m away | 80 m² | 106 m² | +26 m² +33% | 2017 |
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| 56, Winns Terrace996 m away | 62 m² | 87 m² | +25 m² +40% | 2025 |
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| 60, Douglas Avenue275 m away | 91 m² | 116 m² | +25 m² +27% | 2022 |
|---|
| 47a, Fleeming Road605 m away | 52 m² | 77 m² | +25 m² +48% | 2021 |
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| 114, Gloucester Road890 m away | 88 m² | 113 m² | +25 m² +28% | 2021 |
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| 14, Norfolk Road956 m away | 65 m² | 90 m² | +25 m² +38% | 2020 |
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| 33, Rowden Road965 m away | 84 m² | 109 m² | +25 m² +30% | 2018 |
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| 77, Douglas Avenue256 m away | 75 m² | 100 m² | +25 m² +33% | 2014 |
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| 11a, Colville Road938 m away | 83 m² | 107 m² | +24 m² +29% | 2026 |
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| 25, Hamilton Road929 m away | 71 m² | 95 m² | +24 m² +34% | 2025 |
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| 20, Winns Terrace996 m away | 69 m² | 93 m² | +24 m² +35% | 2025 |
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| 25a, Fleeming Road605 m away | 50 m² | 74 m² | +24 m² +48% | 2022 |
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| 150, Fleeming Road587 m away | 67 m² | 91 m² | +24 m² +36% | 2021 |
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| 80, Aveling Park Road778 m away | 83 m² | 107 m² | +24 m² +29% | 2021 |
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| 9, Marten Road832 m away | 74 m² | 98 m² | +24 m² +32% | 2021 |
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| 73, Billet Road146 m away | 80 m² | 104 m² | +24 m² +30% | 2016 |
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| 315, Chingford Road792 m away | 75 m² | 98 m² | +23 m² +31% | 2024 |
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| 14, Douglas Avenue275 m away | 75 m² | 98 m² | +23 m² +31% | 2022 |
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| 254, Fleeming Road587 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
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| 14, Empress Avenue767 m away | 55 m² | 78 m² | +23 m² +42% | 2020 |
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| 53, Marten Road832 m away | 83 m² | 106 m² | +23 m² +28% | 2020 |
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| 32, Colville Road938 m away | 69 m² | 92 m² | +23 m² +33% | 2020 |
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| 22, Fleeming Road775 m away | 71 m² | 94 m² | +23 m² +32% | 2019 |
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| 47, Marten Road832 m away | 94 m² | 117 m² | +23 m² +24% | 2019 |
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| 47, Salisbury Hall Gardens864 m away | 90 m² | 113 m² | +23 m² +26% | 2019 |
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| 47, Stow Crescent380 m away | 78 m² | 101 m² | +23 m² +29% | 2015 |
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| 150, Elphinstone Road633 m away | 75 m² | 98 m² | +23 m² +31% | 2015 |
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| 27, Windsor Avenue703 m away | 75 m² | 98 m² | +23 m² +31% | 2014 |
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| 50, Salisbury Hall Gardens864 m away | 84 m² | 107 m² | +23 m² +27% | 2014 |
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| 107, Carlton Road584 m away | 75 m² | 97 m² | +22 m² +29% | 2026 |
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| 69, Fleeming Road605 m away | 59 m² | 81 m² | +22 m² +37% | 2026 |
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| 2, Salisbury Hall Gardens864 m away | 81 m² | 103 m² | +22 m² +27% | 2026 |
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| 14, Aveling Park Road872 m away | 91 m² | 113 m² | +22 m² +24% | 2026 |
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| 42, Penrhyn Avenue395 m away | 80 m² | 102 m² | +22 m² +28% | 2025 |
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| 90, Brettenham Road523 m away | 69 m² | 91 m² | +22 m² +32% | 2025 |
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| 61a, Fleeming Road605 m away | 50 m² | 72 m² | +22 m² +44% | 2025 |
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| 27a, Carr Road769 m away | 49 m² | 71 m² | +22 m² +45% | 2024 |
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| 91, Oakfield Road758 m away | 77 m² | 99 m² | +22 m² +29% | 2023 |
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| 1, Shaw Square376 m away | 87 m² | 109 m² | +22 m² +25% | 2021 |
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| 43a, Fleeming Road605 m away | 48 m² | 70 m² | +22 m² +46% | 2021 |
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| 10, Norfolk Road956 m away | 101 m² | 123 m² | +22 m² +22% | 2021 |
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| 39, Billet Road255 m away | 75 m² | 97 m² | +22 m² +29% | 2018 |
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| 3, Minerva Road937 m away | 109 m² | 131 m² | +22 m² +20% | 2015 |
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| 64, Warwick Road498 m away | 71 m² | 93 m² | +22 m² +31% | 2014 |
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| 2, Hamilton Road929 m away | 117 m² | 139 m² | +22 m² +19% | 2014 |
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| 3, Rushcroft Road888 m away | 71 m² | 93 m² | +22 m² +31% | 2013 |
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| 52, Mount Pleasant Road541 m away | 78 m² | 99 m² | +21 m² +27% | 2026 |
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| 25, Ardleigh Road291 m away | 70 m² | 91 m² | +21 m² +30% | 2025 |
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| 29, Oakfield Road758 m away | 89 m² | 110 m² | +21 m² +24% | 2024 |
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| 79, Marten Road832 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
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| 84, Elphinstone Road633 m away | 73 m² | 94 m² | +21 m² +29% | 2022 |
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| 79, Oakfield Road758 m away | 56 m² | 77 m² | +21 m² +38% | 2022 |
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| 221, Higham Hill Road872 m away | 90 m² | 111 m² | +21 m² +23% | 2022 |
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| 28, Winns Terrace996 m away | 71 m² | 92 m² | +21 m² +30% | 2022 |
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| 56, Salisbury Hall Gardens864 m away | 98 m² | 119 m² | +21 m² +21% | 2021 |
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| 141a, Carr Road580 m away | 48 m² | 69 m² | +21 m² +44% | 2020 |
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| 31, Cazenove Road733 m away | 86 m² | 107 m² | +21 m² +24% | 2020 |
|---|
| 71a, Carr Road769 m away | 52 m² | 73 m² | +21 m² +40% | 2020 |
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| 127, Manor Road601 m away | 80 m² | 101 m² | +21 m² +26% | 2015 |
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| 236, Fleeming Road587 m away | 54 m² | 75 m² | +21 m² +39% | 2013 |
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| 27, Salisbury Hall Gardens864 m away | 73 m² | 94 m² | +21 m² +29% | 2012 |
|---|
| 155, Bramley Close892 m away | 70 m² | 91 m² | +21 m² +30% | 2011 |
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| 10, Penrhyn Grove467 m away | 80 m² | 100 m² | +20 m² +25% | 2024 |
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| 1, Fairview Villas778 m away | 103 m² | 123 m² | +20 m² +19% | 2024 |
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| 145, Winns Avenue961 m away | 68 m² | 88 m² | +20 m² +29% | 2024 |
|---|
| 178, Brettenham Road602 m away | 72 m² | 92 m² | +20 m² +28% | 2023 |
|---|
| 1a, Fleeming Road605 m away | 50 m² | 70 m² | +20 m² +40% | 2022 |
|---|
| 17, Fairfield Road990 m away | 70 m² | 90 m² | +20 m² +29% | 2021 |
|---|
| 33, Rowden Park Gardens853 m away | 70 m² | 90 m² | +20 m² +29% | 2018 |
|---|
| 35, Millfield Avenue458 m away | 88 m² | 108 m² | +20 m² +23% | 2017 |
|---|
| 17, Sinnott Road925 m away | 55 m² | 75 m² | +20 m² +36% | 2013 |
|---|
| 15, Kimberley Road212 m away | 96 m² | 115 m² | +19 m² +20% | 2025 |
|---|
| 91a, Carr Road580 m away | 51 m² | 70 m² | +19 m² +37% | 2025 |
|---|
| 76, Manor Road652 m away | 83 m² | 102 m² | +19 m² +23% | 2025 |
|---|
| 28, Grove Park Avenue770 m away | 103 m² | 122 m² | +19 m² +18% | 2023 |
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| 357, Chingford Road755 m away | 67 m² | 86 m² | +19 m² +28% | 2022 |
|---|
| 5, Rushbrook Crescent445 m away | 70 m² | 89 m² | +19 m² +27% | 2020 |
|---|
| 342, Billet Road897 m away | 78 m² | 97 m² | +19 m² +24% | 2020 |
|---|
| 401, Higham Hill Road752 m away | 72 m² | 91 m² | +19 m² +26% | 2019 |
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| 80, Hecham Close807 m away | 89 m² | 108 m² | +19 m² +21% | 2018 |
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| 101, Gloucester Road890 m away | 93 m² | 112 m² | +19 m² +20% | 2018 |
|---|
| 61, Bodiam Court, 8, Thornbury Way0 m away | 73 m² | 92 m² | +19 m² +26% | 2017 |
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| 20, Lyne Crescent268 m away | 81 m² | 99 m² | +18 m² +22% | 2026 |
|---|
| 61, Brettenham Road491 m away | 71 m² | 89 m² | +18 m² +25% | 2026 |
|---|
| 3, Norfolk Road956 m away | 83 m² | 101 m² | +18 m² +22% | 2024 |
|---|
| 71, Gloucester Road890 m away | 37 m² | 55 m² | +18 m² +49% | 2023 |
|---|
| Flat D, 15, Roberts Road803 m away | 45 m² | 63 m² | +18 m² +40% | 2022 |
|---|
| 47, Kimberley Road212 m away | 75 m² | 93 m² | +18 m² +24% | 2016 |
|---|
| 152, Chingford Road946 m away | 79 m² | 97 m² | +18 m² +23% | 2016 |
|---|
| 3, Heron Close523 m away | 108 m² | 126 m² | +18 m² +17% | 2014 |
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