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 5JA
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 |
|---|---|---|---|---|
| 10, Sutherland Road949 m away | 85 m² | 191 m² | +106 m² +125% | 2023 |
| 72, Cecil Road812 m away | 105 m² | 193 m² | +88 m² +84% | 2015 |
| 2, Kelmscott Close242 m away | 86 m² | 168 m² | +82 m² +95% | 2019 |
| 117, Carlton Road215 m away | 72 m² | 152 m² | +80 m² +111% | 2018 |
| 56a, Cecil Road812 m away | 118 m² | 197 m² | +79 m² +67% | 2020 |
| 10, Lancaster Road725 m away | 70 m² | 144 m² | +74 m² +106% | 2014 |
| 231, South Countess Road890 m away | 83 m² | 154 m² | +71 m² +86% | 2015 |
| 15, Fairview Close272 m away | 95 m² | 164 m² | +69 m² +73% | 2024 |
| 11, Knebworth Avenue847 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 Avenue836 m away | 58 m² | 122 m² | +64 m² +110% | 2025 |
|---|
| 16, Marten Road971 m away | 52 m² | 116 m² | +64 m² +123% | 2024 |
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| 43, St Andrews Road807 m away | 94 m² | 157 m² | +63 m² +67% | 2022 |
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| 217, Higham Hill Road518 m away | 62 m² | 125 m² | +63 m² +102% | 2018 |
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| 23, Sinnott Road627 m away | 66 m² | 126 m² | +60 m² +91% | 2015 |
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| 43, Marten Road999 m away | 76 m² | 134 m² | +58 m² +76% | 2022 |
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| 118, Carlton Road222 m away | 74 m² | 132 m² | +58 m² +78% | 2020 |
|---|
| 63, Goldsmith Road750 m away | 70 m² | 126 m² | +56 m² +80% | 2024 |
|---|
| 237, Billet Road285 m away | 100 m² | 156 m² | +56 m² +56% | 2019 |
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| 304, Blackhorse Lane781 m away | 86 m² | 138 m² | +52 m² +60% | 2025 |
|---|
| 67, Stirling Road910 m away | 72 m² | 124 m² | +52 m² +72% | 2021 |
|---|
| 51, Bemsted Road892 m away | 60 m² | 111 m² | +51 m² +85% | 2025 |
|---|
| 42, Aveling Park Road933 m away | 83 m² | 134 m² | +51 m² +61% | 2025 |
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| 17, Sutherland Road949 m away | 104 m² | 155 m² | +51 m² +49% | 2022 |
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| 11, Goldsmith Road750 m away | 64 m² | 115 m² | +51 m² +80% | 2019 |
|---|
| 36, Aveling Park Road933 m away | 83 m² | 133 m² | +50 m² +60% | 2014 |
|---|
| 94, Gloucester Road522 m away | 86 m² | 134 m² | +48 m² +56% | 2021 |
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| 28, Shakespeare Road791 m away | 74 m² | 122 m² | +48 m² +65% | 2016 |
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| 183, Winns Avenue808 m away | 86 m² | 133 m² | +47 m² +55% | 2026 |
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| 95, Penrhyn Avenue752 m away | 75 m² | 122 m² | +47 m² +63% | 2022 |
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| 89, Penrhyn Avenue752 m away | 85 m² | 132 m² | +47 m² +55% | 2021 |
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| 63, Worcester Road678 m away | 125 m² | 171 m² | +46 m² +37% | 2024 |
|---|
| 75, Marten Road999 m away | 75 m² | 121 m² | +46 m² +61% | 2022 |
|---|
| 140, Bramley Close564 m away | 93 m² | 139 m² | +46 m² +49% | 2020 |
|---|
| 6, Gloucester Road700 m away | 80 m² | 126 m² | +46 m² +57% | 2014 |
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| 15, Worcester Road678 m away | 72 m² | 117 m² | +45 m² +63% | 2024 |
|---|
| 16, Cecil Road812 m away | 86 m² | 131 m² | +45 m² +52% | 2023 |
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| 82, Aveling Park Road933 m away | 87 m² | 132 m² | +45 m² +52% | 2023 |
|---|
| 226, Higham Hill Road518 m away | 77 m² | 122 m² | +45 m² +58% | 2022 |
|---|
| 52, Aveling Park Road933 m away | 79 m² | 123 m² | +44 m² +56% | 2019 |
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| 59, Marten Road999 m away | 79 m² | 123 m² | +44 m² +56% | 2016 |
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| 68, Priors Croft395 m away | 70 m² | 113 m² | +43 m² +61% | 2024 |
|---|
| 34, Cumberland Road461 m away | 73 m² | 116 m² | +43 m² +59% | 2022 |
|---|
| 31, Hamilton Road615 m away | 72 m² | 115 m² | +43 m² +60% | 2021 |
|---|
| 3, Kelmscott Close242 m away | 82 m² | 125 m² | +43 m² +52% | 2018 |
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| 68, St Andrews Road753 m away | 91 m² | 134 m² | +43 m² +47% | 2017 |
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| 18, Carlton Road222 m away | 76 m² | 118 m² | +42 m² +55% | 2025 |
|---|
| 77, Clarence Road701 m away | 80 m² | 122 m² | +42 m² +53% | 2025 |
|---|
| 120, Bramley Close564 m away | 83 m² | 125 m² | +42 m² +51% | 2024 |
|---|
| 28, Queen Elizabeth Road958 m away | 67 m² | 109 m² | +42 m² +63% | 2023 |
|---|
| 134, Bramley Close564 m away | 122 m² | 163 m² | +41 m² +34% | 2026 |
|---|
| 68, Gloucester Road700 m away | 75 m² | 116 m² | +41 m² +55% | 2021 |
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| 5, Worcester Road678 m away | 69 m² | 110 m² | +41 m² +59% | 2018 |
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| 18, Lancaster Road725 m away | 70 m² | 111 m² | +41 m² +59% | 2014 |
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| 60, Oakfield Road411 m away | 66 m² | 107 m² | +41 m² +62% | 2011 |
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| 21, Gloucester Road700 m away | 79 m² | 119 m² | +40 m² +51% | 2026 |
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| 15, Queen Elizabeth Road958 m away | 61 m² | 101 m² | +40 m² +66% | 2022 |
|---|
| 84, Millfield Avenue218 m away | 96 m² | 135 m² | +39 m² +41% | 2026 |
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| 33, Colville Road647 m away | 68 m² | 107 m² | +39 m² +57% | 2026 |
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| 8, Marten Road971 m away | 81 m² | 120 m² | +39 m² +48% | 2025 |
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| 3, Luton Road935 m away | 69 m² | 108 m² | +39 m² +57% | 2024 |
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| 12, Worcester Road678 m away | 80 m² | 119 m² | +39 m² +49% | 2021 |
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| 57, Queen Elizabeth Road958 m away | 72 m² | 110 m² | +38 m² +53% | 2024 |
|---|
| 102, Douglas Avenue473 m away | 37 m² | 75 m² | +38 m² +103% | 2022 |
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| 6, Higham Place856 m away | 72 m² | 110 m² | +38 m² +53% | 2020 |
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| 48, Gloucester Road700 m away | 77 m² | 114 m² | +37 m² +48% | 2026 |
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| 36, Carlton Road222 m away | 74 m² | 111 m² | +37 m² +50% | 2025 |
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| 32, Higham Hill Road938 m away | 72 m² | 109 m² | +37 m² +51% | 2024 |
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| 14, Queen Elizabeth Road958 m away | 70 m² | 107 m² | +37 m² +53% | 2024 |
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| 133, Chingford Road994 m away | 88 m² | 125 m² | +37 m² +42% | 2020 |
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| 39, Gloucester Road700 m away | 89 m² | 126 m² | +37 m² +42% | 2014 |
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| 22, Oakfield Road411 m away | 69 m² | 105 m² | +36 m² +52% | 2026 |
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| 14, William Morris Close932 m away | 88 m² | 124 m² | +36 m² +41% | 2026 |
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| 19, Pennant Terrace417 m away | 70 m² | 105 m² | +35 m² +50% | 2025 |
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| 74, Gloucester Road700 m away | 38 m² | 73 m² | +35 m² +92% | 2023 |
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| 41, Clarence Road701 m away | 83 m² | 118 m² | +35 m² +42% | 2023 |
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| 2, Goldsmith Road763 m away | 77 m² | 112 m² | +35 m² +45% | 2014 |
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| 13a, Norfolk Road591 m away | 60 m² | 95 m² | +35 m² +58% | 2013 |
|---|
| 360, Higham Hill Road348 m away | 87 m² | 121 m² | +34 m² +39% | 2026 |
|---|
| 68, Lancaster Road725 m away | 67 m² | 101 m² | +34 m² +51% | 2025 |
|---|
| 42, Cazenove Road949 m away | 85 m² | 119 m² | +34 m² +40% | 2024 |
|---|
| 3, Cumberland Road461 m away | 89 m² | 123 m² | +34 m² +38% | 2016 |
|---|
| 218, Brettenham Road794 m away | 70 m² | 104 m² | +34 m² +49% | 2016 |
|---|
| 123, Billet Road177 m away | 48 m² | 81 m² | +33 m² +69% | 2025 |
|---|
| 2, Mount Pleasant Road370 m away | 75 m² | 108 m² | +33 m² +44% | 2025 |
|---|
| 80, Clarence Road712 m away | 81 m² | 114 m² | +33 m² +41% | 2025 |
|---|
| 121, Manor Road238 m away | 82 m² | 115 m² | +33 m² +40% | 2024 |
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| 23, Cooper Avenue532 m away | 96 m² | 129 m² | +33 m² +34% | 2024 |
|---|
| 24, Pasquier Road983 m away | 83 m² | 116 m² | +33 m² +40% | 2024 |
|---|
| 24, Gloucester Road700 m away | 86 m² | 119 m² | +33 m² +38% | 2017 |
|---|
| 8, Valognes Avenue398 m away | 75 m² | 108 m² | +33 m² +44% | 2015 |
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| 139, Bramley Close564 m away | 95 m² | 127 m² | +32 m² +34% | 2025 |
|---|
| 18, Colville Road647 m away | 68 m² | 100 m² | +32 m² +47% | 2025 |
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| 16, Knebworth Avenue836 m away | 80 m² | 112 m² | +32 m² +40% | 2024 |
|---|
| 1, Fleeming Road551 m away | 38 m² | 70 m² | +32 m² +84% | 2022 |
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| 76, Clarence Road712 m away | 60 m² | 92 m² | +32 m² +53% | 2017 |
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| 65, Lawrence Avenue584 m away | 178 m² | 210 m² | +32 m² +18% | 2016 |
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| 48, The Mile End638 m away | 84 m² | 115 m² | +31 m² +37% | 2024 |
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| 25, Clarence Road701 m away | 80 m² | 111 m² | +31 m² +39% | 2024 |
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| 1, Carlton Road215 m away | 73 m² | 104 m² | +31 m² +42% | 2022 |
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| 22, Rushbrook Crescent483 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
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| 117, Aveling Park Road907 m away | 84 m² | 115 m² | +31 m² +37% | 2021 |
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| 70, Luton Road935 m away | 70 m² | 101 m² | +31 m² +44% | 2020 |
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| 14, Cumberland Road461 m away | 76 m² | 106 m² | +30 m² +39% | 2026 |
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| 27, Stirling Road910 m away | 83 m² | 113 m² | +30 m² +36% | 2026 |
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| 46, Cazenove Road949 m away | 79 m² | 109 m² | +30 m² +38% | 2026 |
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| 77, Stirling Road910 m away | 76 m² | 106 m² | +30 m² +39% | 2024 |
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| 35, Diana Road920 m away | 53 m² | 83 m² | +30 m² +57% | 2023 |
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| 40, Pasquier Road983 m away | 74 m² | 104 m² | +30 m² +41% | 2023 |
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| 20, Badlis Road939 m away | 73 m² | 103 m² | +30 m² +41% | 2021 |
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| 4, Douglas Avenue473 m away | 77 m² | 107 m² | +30 m² +39% | 2015 |
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| 11, Mayfield Road560 m away | 58 m² | 88 m² | +30 m² +52% | 2014 |
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| 13, Cazenove Road949 m away | 91 m² | 120 m² | +29 m² +32% | 2026 |
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| 20, Fleeming Road714 m away | 59 m² | 88 m² | +29 m² +49% | 2025 |
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| 29, Luton Road935 m away | 89 m² | 118 m² | +29 m² +33% | 2024 |
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| 14, Guildsway0 m away | 87 m² | 116 m² | +29 m² +33% | 2023 |
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| 67, Marten Road999 m away | 83 m² | 112 m² | +29 m² +35% | 2023 |
|---|
| 39, Marten Road999 m away | 82 m² | 111 m² | +29 m² +35% | 2021 |
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| 132, Penrhyn Avenue764 m away | 68 m² | 97 m² | +29 m² +43% | 2020 |
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| 16, Holmes Avenue901 m away | 101 m² | 130 m² | +29 m² +29% | 2019 |
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| 186b, Blackhorse Lane824 m away | 44 m² | 73 m² | +29 m² +66% | 2009 |
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| 32, Stirling Road880 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
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| 36, Mayfield Road560 m away | 77 m² | 105 m² | +28 m² +36% | 2024 |
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| 8, Lewis Avenue804 m away | 75 m² | 103 m² | +28 m² +37% | 2024 |
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| 28, Higham Hill Road938 m away | 74 m² | 102 m² | +28 m² +38% | 2024 |
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| 59, Millfield Avenue95 m away | 92 m² | 120 m² | +28 m² +30% | 2023 |
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| 61, Worcester Road678 m away | 80 m² | 108 m² | +28 m² +35% | 2022 |
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| 12, Marten Road971 m away | 74 m² | 102 m² | +28 m² +38% | 2020 |
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| 46, Manor Road291 m away | 87 m² | 115 m² | +28 m² +32% | 2019 |
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| 33, North Countess Road296 m away | 66 m² | 94 m² | +28 m² +42% | 2016 |
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| 145, Bramley Close564 m away | 112 m² | 139 m² | +27 m² +24% | 2026 |
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| 101, Winns Avenue835 m away | 74 m² | 101 m² | +27 m² +36% | 2026 |
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| 15, Bemsted Road892 m away | 80 m² | 107 m² | +27 m² +34% | 2026 |
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| 53, Queen Elizabeth Road958 m away | 88 m² | 115 m² | +27 m² +31% | 2025 |
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| 32, Queen Elizabeth Road958 m away | 71 m² | 98 m² | +27 m² +38% | 2024 |
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| 39, Stirling Road910 m away | 83 m² | 110 m² | +27 m² +33% | 2023 |
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| 180, Fleeming Road562 m away | 69 m² | 96 m² | +27 m² +39% | 2020 |
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| 172, Winns Avenue783 m away | 89 m² | 116 m² | +27 m² +30% | 2017 |
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| 38, Claremont Road504 m away | 89 m² | 115 m² | +26 m² +29% | 2026 |
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| 19, Fairfield Road687 m away | 86 m² | 112 m² | +26 m² +30% | 2025 |
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| 47, Elphinstone Road678 m away | 76 m² | 102 m² | +26 m² +34% | 2024 |
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| 141, Brettenham Road774 m away | 66 m² | 92 m² | +26 m² +39% | 2024 |
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| 6, Hamilton Road615 m away | 101 m² | 127 m² | +26 m² +26% | 2022 |
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| 67, Kimberley Road192 m away | 80 m² | 106 m² | +26 m² +33% | 2020 |
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| 3, Aveling Park Road973 m away | 80 m² | 106 m² | +26 m² +33% | 2017 |
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| 56, Winns Terrace942 m away | 62 m² | 87 m² | +25 m² +40% | 2025 |
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| 60, Douglas Avenue473 m away | 91 m² | 116 m² | +25 m² +27% | 2022 |
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| 49, Lancaster Road723 m away | 64 m² | 89 m² | +25 m² +39% | 2022 |
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| 114, Gloucester Road522 m away | 88 m² | 113 m² | +25 m² +28% | 2021 |
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| 47a, Fleeming Road551 m away | 52 m² | 77 m² | +25 m² +48% | 2021 |
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| 14, Norfolk Road591 m away | 65 m² | 90 m² | +25 m² +38% | 2020 |
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| 73, Goldsmith Road750 m away | 82 m² | 107 m² | +25 m² +30% | 2020 |
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| 29, Stirling Road910 m away | 82 m² | 107 m² | +25 m² +30% | 2016 |
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| 77, Douglas Avenue531 m away | 75 m² | 100 m² | +25 m² +33% | 2014 |
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| 11a, Colville Road647 m away | 83 m² | 107 m² | +24 m² +29% | 2026 |
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| 25, Hamilton Road615 m away | 71 m² | 95 m² | +24 m² +34% | 2025 |
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| 220, Blackhorse Lane824 m away | 99 m² | 123 m² | +24 m² +24% | 2025 |
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| 20, Winns Terrace942 m away | 69 m² | 93 m² | +24 m² +35% | 2025 |
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| 25a, Fleeming Road551 m away | 50 m² | 74 m² | +24 m² +48% | 2022 |
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| 73, Clarence Road701 m away | 79 m² | 103 m² | +24 m² +30% | 2022 |
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| 150, Fleeming Road562 m away | 67 m² | 91 m² | +24 m² +36% | 2021 |
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| 80, Aveling Park Road933 m away | 83 m² | 107 m² | +24 m² +29% | 2021 |
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| 9, Marten Road999 m away | 74 m² | 98 m² | +24 m² +32% | 2021 |
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| 73, Billet Road414 m away | 80 m² | 104 m² | +24 m² +30% | 2016 |
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| 13, Diana Road920 m away | 61 m² | 84 m² | +23 m² +38% | 2026 |
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| 40, Stirling Road880 m away | 74 m² | 97 m² | +23 m² +31% | 2024 |
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| 110, Mersey Road913 m away | 61 m² | 84 m² | +23 m² +38% | 2024 |
|---|
| 14, Douglas Avenue473 m away | 75 m² | 98 m² | +23 m² +31% | 2022 |
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| 58, Clarence Road712 m away | 82 m² | 105 m² | +23 m² +28% | 2022 |
|---|
| 254, Fleeming Road562 m away | 68 m² | 91 m² | +23 m² +34% | 2021 |
|---|
| 32, Colville Road647 m away | 69 m² | 92 m² | +23 m² +33% | 2020 |
|---|
| 53, Marten Road999 m away | 83 m² | 106 m² | +23 m² +28% | 2020 |
|---|
| 22, Fleeming Road714 m away | 71 m² | 94 m² | +23 m² +32% | 2019 |
|---|
| 47, Marten Road999 m away | 94 m² | 117 m² | +23 m² +24% | 2019 |
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| 240, South Countess Road890 m away | 101 m² | 124 m² | +23 m² +23% | 2017 |
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| 47, Stow Crescent332 m away | 78 m² | 101 m² | +23 m² +29% | 2015 |
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| 150, Elphinstone Road558 m away | 75 m² | 98 m² | +23 m² +31% | 2015 |
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| 27, Windsor Avenue374 m away | 75 m² | 98 m² | +23 m² +31% | 2014 |
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| 107, Carlton Road215 m away | 75 m² | 97 m² | +22 m² +29% | 2026 |
|---|
| 69, Fleeming Road551 m away | 59 m² | 81 m² | +22 m² +37% | 2026 |
|---|
| 69, Goldsmith Road750 m away | 75 m² | 97 m² | +22 m² +29% | 2026 |
|---|
| 14, Aveling Park Road973 m away | 91 m² | 113 m² | +22 m² +24% | 2026 |
|---|
| 42, Penrhyn Avenue542 m away | 80 m² | 102 m² | +22 m² +28% | 2025 |
|---|
| 61a, Fleeming Road551 m away | 50 m² | 72 m² | +22 m² +44% | 2025 |
|---|
| 90, Brettenham Road621 m away | 69 m² | 91 m² | +22 m² +32% | 2025 |
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| 93, Diana Road920 m away | 60 m² | 82 m² | +22 m² +37% | 2025 |
|---|
| 27a, Carr Road728 m away | 49 m² | 71 m² | +22 m² +45% | 2024 |
|---|
| 91, Oakfield Road425 m away | 77 m² | 99 m² | +22 m² +29% | 2023 |
|---|
| 26, Clarence Road712 m away | 81 m² | 103 m² | +22 m² +27% | 2023 |
|---|
| 43, Lancaster Road723 m away | 66 m² | 88 m² | +22 m² +33% | 2023 |
|---|
| 44, Stirling Road880 m away | 77 m² | 99 m² | +22 m² +29% | 2023 |
|---|
| 62, Mersey Road913 m away | 61 m² | 83 m² | +22 m² +36% | 2022 |
|---|
| 1, Shaw Square55 m away | 87 m² | 109 m² | +22 m² +25% | 2021 |
|---|
| 43a, Fleeming Road551 m away | 48 m² | 70 m² | +22 m² +46% | 2021 |
|---|
| 10, Norfolk Road591 m away | 101 m² | 123 m² | +22 m² +22% | 2021 |
|---|
| 57, Bemsted Road892 m away | 59 m² | 81 m² | +22 m² +37% | 2021 |
|---|
| 39, Queen Elizabeth Road958 m away | 72 m² | 94 m² | +22 m² +31% | 2020 |
|---|
| 39, Billet Road572 m away | 75 m² | 97 m² | +22 m² +29% | 2018 |
|---|
| 64, Warwick Road245 m away | 71 m² | 93 m² | +22 m² +31% | 2014 |
|---|
| 2, Hamilton Road615 m away | 117 m² | 139 m² | +22 m² +19% | 2014 |
|---|
| 329, Billet Road735 m away | 68 m² | 90 m² | +22 m² +32% | 2014 |
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