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 IG1 2BF
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 |
|---|---|---|---|---|
| 49, Rectory Road672 m away | 96 m² | 236 m² | +140 m² +146% | 2017 |
| 100, Dersingham Avenue927 m away | 95 m² | 233 m² | +138 m² +145% | 2013 |
| 52, Hampton Road764 m away | 94 m² | 213 m² | +119 m² +127% | 2023 |
| 47, Rectory Road672 m away | 104 m² | 211 m² | +107 m² +103% | 2025 |
| 38, Victoria Road419 m away | 88 m² | 175 m² | +87 m² +99% | 2017 |
| 117, Mortlake Road920 m away | 108 m² | 193 m² | +85 m² +79% | 2025 |
| 252, Dersingham Avenue657 m away | 82 m² | 165 m² | +83 m² +101% | 2020 |
| 16, Leighton Avenue356 m away | 78 m² | 154 m² | +76 m² +97% | 2026 |
| 18, St Thomas Gardens530 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.
| 86 m² |
| 158 m² |
| +72 m² +84% |
| 2018 |
| 27, Mortlake Road619 m away | 75 m² | 144 m² | +69 m² +92% | 2022 |
|---|
| 25, Bengal Road950 m away | 64 m² | 131 m² | +67 m² +105% | 2026 |
|---|
| 29, Norman Road274 m away | 63 m² | 130 m² | +67 m² +106% | 2014 |
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| 64, Tanner Street600 m away | 122 m² | 188 m² | +66 m² +54% | 2025 |
|---|
| 162, Sheringham Avenue841 m away | 72 m² | 138 m² | +66 m² +92% | 2016 |
|---|
| 59, Fairfield Road329 m away | 84 m² | 149 m² | +65 m² +77% | 2023 |
|---|
| 90, Kingston Road927 m away | 81 m² | 146 m² | +65 m² +80% | 2016 |
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| 24, Watson Avenue840 m away | 85 m² | 148 m² | +63 m² +74% | 2026 |
|---|
| 73, Park Avenue790 m away | 69 m² | 132 m² | +63 m² +91% | 2016 |
|---|
| 10, Sandyhill Road662 m away | 60 m² | 123 m² | +63 m² +105% | 2015 |
|---|
| 52, Gurney Close418 m away | 104 m² | 166 m² | +62 m² +60% | 2014 |
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| 138, Sheringham Avenue966 m away | 56 m² | 118 m² | +62 m² +111% | 2014 |
|---|
| 96, Faircross Avenue743 m away | 59 m² | 120 m² | +61 m² +103% | 2013 |
|---|
| 440, Ilford Lane409 m away | 63 m² | 123 m² | +60 m² +95% | 2019 |
|---|
| 31, Ashford Road899 m away | 82 m² | 142 m² | +60 m² +73% | 2014 |
|---|
| 124, Henley Road945 m away | 88 m² | 147 m² | +59 m² +67% | 2017 |
|---|
| 30, Kingston Road760 m away | 73 m² | 132 m² | +59 m² +81% | 2016 |
|---|
| 50, Ashford Road878 m away | 96 m² | 155 m² | +59 m² +61% | 2010 |
|---|
| 85, Kingston Road927 m away | 75 m² | 133 m² | +58 m² +77% | 2022 |
|---|
| 15, Harvey Road288 m away | 80 m² | 137 m² | +57 m² +71% | 2020 |
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| 13, Dane Road376 m away | 71 m² | 127 m² | +56 m² +79% | 2023 |
|---|
| 38, Staines Road865 m away | 99 m² | 155 m² | +56 m² +57% | 2020 |
|---|
| 53, Ashford Road899 m away | 83 m² | 138 m² | +55 m² +66% | 2023 |
|---|
| 133, Landseer Avenue601 m away | 69 m² | 124 m² | +55 m² +80% | 2020 |
|---|
| 187, Richmond Road996 m away | 92 m² | 147 m² | +55 m² +60% | 2018 |
|---|
| 40, Barrington Road491 m away | 83 m² | 138 m² | +55 m² +66% | 2015 |
|---|
| 111, Stevenage Road640 m away | 38 m² | 92 m² | +54 m² +142% | 2022 |
|---|
| 142, Hampton Road978 m away | 91 m² | 145 m² | +54 m² +59% | 2021 |
|---|
| 185, Grantham Road654 m away | 83 m² | 137 m² | +54 m² +65% | 2020 |
|---|
| 58, Victoria Road419 m away | 95 m² | 148 m² | +53 m² +56% | 2020 |
|---|
| 64, Morris Avenue999 m away | 81 m² | 134 m² | +53 m² +65% | 2015 |
|---|
| 107, Hampton Road862 m away | 99 m² | 151 m² | +52 m² +53% | 2025 |
|---|
| 1, Grange Road886 m away | 83 m² | 135 m² | +52 m² +63% | 2025 |
|---|
| 114, Kingston Road927 m away | 128 m² | 180 m² | +52 m² +41% | 2025 |
|---|
| 34, Windsor Road875 m away | 94 m² | 146 m² | +52 m² +55% | 2022 |
|---|
| 86, Warrior Square994 m away | 95 m² | 147 m² | +52 m² +55% | 2022 |
|---|
| 74, Park Avenue790 m away | 89 m² | 141 m² | +52 m² +58% | 2020 |
|---|
| 118, Fanshawe Avenue714 m away | 61 m² | 113 m² | +52 m² +85% | 2014 |
|---|
| 41, Shakespeare Crescent983 m away | 77 m² | 128 m² | +51 m² +66% | 2023 |
|---|
| 61, Natal Road522 m away | 69 m² | 120 m² | +51 m² +74% | 2020 |
|---|
| 11a, Twyford Road693 m away | 58 m² | 108 m² | +50 m² +86% | 2025 |
|---|
| 187, Shakespeare Crescent844 m away | 96 m² | 146 m² | +50 m² +52% | 2025 |
|---|
| 45, Tylehurst Gardens651 m away | 122 m² | 172 m² | +50 m² +41% | 2024 |
|---|
| 233, Shakespeare Crescent844 m away | 106 m² | 156 m² | +50 m² +47% | 2024 |
|---|
| 93, Uphall Road276 m away | 115 m² | 165 m² | +50 m² +43% | 2019 |
|---|
| 15, Hunter Road309 m away | 70 m² | 119 m² | +49 m² +70% | 2023 |
|---|
| 2, Jack Cook House, Whiting Avenue919 m away | 48 m² | 97 m² | +49 m² +102% | 2023 |
|---|
| 39, Hunter Road309 m away | 82 m² | 130 m² | +48 m² +59% | 2025 |
|---|
| 18, Tylehurst Gardens651 m away | 86 m² | 134 m² | +48 m² +56% | 2022 |
|---|
| 10, St Winefrides Avenue724 m away | 82 m² | 130 m² | +48 m² +59% | 2013 |
|---|
| 379, Ilford Lane447 m away | 97 m² | 144 m² | +47 m² +48% | 2026 |
|---|
| 25, Hamilton Road778 m away | 96 m² | 143 m² | +47 m² +49% | 2022 |
|---|
| 196, Sheringham Avenue841 m away | 93 m² | 140 m² | +47 m² +51% | 2020 |
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| 206, Burges Road954 m away | 49 m² | 96 m² | +47 m² +96% | 2014 |
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| 93, Kingston Road927 m away | 89 m² | 136 m² | +47 m² +53% | 2013 |
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| 136, Landseer Avenue588 m away | 75 m² | 120 m² | +45 m² +60% | 2018 |
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| 98, Faircross Avenue743 m away | 46 m² | 91 m² | +45 m² +98% | 2016 |
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| 8, Sandyhill Road662 m away | 66 m² | 110 m² | +44 m² +67% | 2026 |
|---|
| 206, Walton Road710 m away | 73 m² | 117 m² | +44 m² +60% | 2023 |
|---|
| 27, Loxford Lane560 m away | 90 m² | 134 m² | +44 m² +49% | 2015 |
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| 127, Glenny Road712 m away | 110 m² | 153 m² | +43 m² +39% | 2025 |
|---|
| 15, Dahlia Gardens133 m away | 58 m² | 101 m² | +43 m² +74% | 2023 |
|---|
| 25, Loxford Lane560 m away | 93 m² | 136 m² | +43 m² +46% | 2022 |
|---|
| 70, Hampton Road764 m away | 96 m² | 139 m² | +43 m² +45% | 2019 |
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| 19, Dane Road376 m away | 64 m² | 107 m² | +43 m² +67% | 2011 |
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| 22, Hamilton Road778 m away | 81 m² | 123 m² | +42 m² +52% | 2026 |
|---|
| 6, Saxon Road261 m away | 85 m² | 127 m² | +42 m² +49% | 2025 |
|---|
| 53, Hunter Road309 m away | 68 m² | 110 m² | +42 m² +62% | 2025 |
|---|
| 98, Glenny Road729 m away | 75 m² | 117 m² | +42 m² +56% | 2024 |
|---|
| 267, Dersingham Avenue627 m away | 40 m² | 82 m² | +42 m² +105% | 2022 |
|---|
| 158, Hampton Road978 m away | 89 m² | 131 m² | +42 m² +47% | 2021 |
|---|
| 11, Rectory Road672 m away | 101 m² | 143 m² | +42 m² +42% | 2017 |
|---|
| 238, Walton Road710 m away | 60 m² | 102 m² | +42 m² +70% | 2014 |
|---|
| 38, Lowbrook Road666 m away | 79 m² | 121 m² | +42 m² +53% | 2013 |
|---|
| 56, Sandyhill Road662 m away | 73 m² | 114 m² | +41 m² +56% | 2022 |
|---|
| 219, Lathom Road978 m away | 101 m² | 142 m² | +41 m² +41% | 2022 |
|---|
| 180, Park Avenue653 m away | 97 m² | 138 m² | +41 m² +42% | 2021 |
|---|
| 21, Leigh Road787 m away | 59 m² | 100 m² | +41 m² +69% | 2021 |
|---|
| 141, Kensington Avenue996 m away | 106 m² | 147 m² | +41 m² +39% | 2019 |
|---|
| 9, Cecil Road864 m away | 120 m² | 161 m² | +41 m² +34% | 2016 |
|---|
| 114, Sheringham Avenue966 m away | 69 m² | 110 m² | +41 m² +59% | 2014 |
|---|
| Flat 15, Bower House, Whiting Avenue819 m away | 42 m² | 82 m² | +40 m² +95% | 2025 |
|---|
| 65, Landseer Avenue497 m away | 82 m² | 122 m² | +40 m² +49% | 2024 |
|---|
| 12, Durham Place847 m away | 42 m² | 82 m² | +40 m² +95% | 2021 |
|---|
| 189, Dersingham Avenue812 m away | 47 m² | 87 m² | +40 m² +85% | 2020 |
|---|
| 67, Grange Road991 m away | 49 m² | 89 m² | +40 m² +82% | 2019 |
|---|
| 135, Harts Lane512 m away | 38 m² | 78 m² | +40 m² +105% | 2015 |
|---|
| 8, Leigh Road755 m away | 67 m² | 106 m² | +39 m² +58% | 2022 |
|---|
| 198, Sheringham Avenue841 m away | 81 m² | 120 m² | +39 m² +48% | 2013 |
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| 167, Sheringham Avenue850 m away | 88 m² | 127 m² | +39 m² +44% | 2013 |
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| 20, Faircross Avenue949 m away | 103 m² | 141 m² | +38 m² +37% | 2025 |
|---|
| 11, The Gables530 m away | 92 m² | 130 m² | +38 m² +41% | 2024 |
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| 173, Byron Avenue978 m away | 106 m² | 144 m² | +38 m² +36% | 2021 |
|---|
| 326, Ilford Lane469 m away | 46 m² | 84 m² | +38 m² +83% | 2020 |
|---|
| 12, Eltisley Road754 m away | 62 m² | 100 m² | +38 m² +61% | 2020 |
|---|
| 77, Victoria Road419 m away | 71 m² | 109 m² | +38 m² +54% | 2017 |
|---|
| 25, Sandyhill Road662 m away | 85 m² | 123 m² | +38 m² +45% | 2015 |
|---|
| 90, Chesterford Road709 m away | 61 m² | 99 m² | +38 m² +62% | 2012 |
|---|
| 108, Fanshawe Avenue714 m away | 64 m² | 101 m² | +37 m² +58% | 2026 |
|---|
| 50, Elsenham Road665 m away | 109 m² | 146 m² | +37 m² +34% | 2025 |
|---|
| 7, Jasmine Close95 m away | 88 m² | 125 m² | +37 m² +42% | 2022 |
|---|
| 18, Wingate Road371 m away | 64 m² | 101 m² | +37 m² +58% | 2021 |
|---|
| 163, Grantham Road654 m away | 70 m² | 107 m² | +37 m² +53% | 2021 |
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| 40, Howard Road740 m away | 86 m² | 123 m² | +37 m² +43% | 2020 |
|---|
| 69, Chesterford Road672 m away | 84 m² | 121 m² | +37 m² +44% | 2016 |
|---|
| 61, Chesterford Road672 m away | 77 m² | 114 m² | +37 m² +48% | 2012 |
|---|
| 83, Mayville Road442 m away | 103 m² | 139 m² | +36 m² +35% | 2018 |
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| 40, Northfield Road943 m away | 43 m² | 79 m² | +36 m² +84% | 2018 |
|---|
| 53, Dore Avenue417 m away | 64 m² | 100 m² | +36 m² +56% | 2016 |
|---|
| 105, Stevenage Road640 m away | 77 m² | 113 m² | +36 m² +47% | 2016 |
|---|
| 147, Lawrence Avenue773 m away | 35 m² | 71 m² | +36 m² +103% | 2016 |
|---|
| 19, Grange Road886 m away | 86 m² | 122 m² | +36 m² +42% | 2015 |
|---|
| 145, Shakespeare Crescent811 m away | 101 m² | 137 m² | +36 m² +36% | 2014 |
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| 58, Hunter Road305 m away | 69 m² | 104 m² | +35 m² +51% | 2026 |
|---|
| 107, Rosebery Avenue956 m away | 106 m² | 141 m² | +35 m² +33% | 2026 |
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| 7, Elstree Gardens512 m away | 86 m² | 121 m² | +35 m² +41% | 2025 |
|---|
| 1, Kingston Road760 m away | 105 m² | 140 m² | +35 m² +33% | 2023 |
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| 5, Baxter Road273 m away | 112 m² | 147 m² | +35 m² +31% | 2022 |
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| 25, Leighton Avenue356 m away | 92 m² | 127 m² | +35 m² +38% | 2019 |
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| 54, Natal Road522 m away | 119 m² | 154 m² | +35 m² +29% | 2016 |
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| 36, Hamilton Road778 m away | 85 m² | 120 m² | +35 m² +41% | 2013 |
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| 57, Gainsborough Avenue431 m away | 57 m² | 92 m² | +35 m² +61% | 2011 |
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| 21, Whiting Avenue730 m away | 45 m² | 79 m² | +34 m² +76% | 2026 |
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| 22, Jersey Road567 m away | 92 m² | 126 m² | +34 m² +37% | 2025 |
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| 46, Khartoum Road319 m away | 82 m² | 116 m² | +34 m² +41% | 2023 |
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| 112, Henley Road945 m away | 136 m² | 170 m² | +34 m² +25% | 2022 |
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| 63, Mayville Road442 m away | 89 m² | 123 m² | +34 m² +38% | 2019 |
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| 38, Mayville Road442 m away | 76 m² | 110 m² | +34 m² +45% | 2019 |
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| 32, Kingston Road760 m away | 91 m² | 125 m² | +34 m² +37% | 2016 |
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| 138, Lowbrook Road464 m away | 97 m² | 130 m² | +33 m² +34% | 2026 |
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| 130, Park Avenue790 m away | 98 m² | 131 m² | +33 m² +34% | 2026 |
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| 254, Walton Road710 m away | 74 m² | 107 m² | +33 m² +45% | 2024 |
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| 10, Hampton Road681 m away | 114 m² | 147 m² | +33 m² +29% | 2021 |
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| 140, Lawrence Avenue816 m away | 55 m² | 88 m² | +33 m² +60% | 2021 |
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| 43, Fairfield Road329 m away | 104 m² | 137 m² | +33 m² +32% | 2017 |
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| 228, Walton Road710 m away | 71 m² | 104 m² | +33 m² +46% | 2013 |
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| 39, Elsenham Road611 m away | 97 m² | 129 m² | +32 m² +33% | 2025 |
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| 43, Henley Road648 m away | 94 m² | 126 m² | +32 m² +34% | 2025 |
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| 14, Barrington Road491 m away | 75 m² | 107 m² | +32 m² +43% | 2024 |
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| 31, Victoria Road419 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
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| 12, Staines Road801 m away | 80 m² | 112 m² | +32 m² +40% | 2019 |
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| 19, Leader Avenue326 m away | 67 m² | 99 m² | +32 m² +48% | 2017 |
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| 6, Leader Avenue326 m away | 77 m² | 109 m² | +32 m² +42% | 2008 |
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| 97, Colne House, 103, Harts Lane515 m away | 46 m² | 77 m² | +31 m² +67% | 2025 |
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| 3, Henley Road648 m away | 95 m² | 126 m² | +31 m² +33% | 2025 |
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| 48, Madras Road683 m away | 66 m² | 97 m² | +31 m² +47% | 2024 |
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| 54, Northfield Road943 m away | 50 m² | 81 m² | +31 m² +62% | 2023 |
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| 66, Roman Road285 m away | 29 m² | 60 m² | +31 m² +107% | 2017 |
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| 38, Howard Road740 m away | 84 m² | 115 m² | +31 m² +37% | 2016 |
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| 35, St Winefrides Avenue724 m away | 60 m² | 91 m² | +31 m² +52% | 2014 |
|---|
| 52, Pittman Gardens593 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
|---|
| 12, Barrington Road491 m away | 76 m² | 107 m² | +31 m² +41% | 2012 |
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| 39, Harpour Road665 m away | 90 m² | 120 m² | +30 m² +33% | 2026 |
|---|
| 151, Shakespeare Crescent811 m away | 120 m² | 150 m² | +30 m² +25% | 2023 |
|---|
| 141, Henley Road945 m away | 94 m² | 124 m² | +30 m² +32% | 2021 |
|---|
| 65, Gainsborough Avenue431 m away | 73 m² | 103 m² | +30 m² +41% | 2017 |
|---|
| 328, Ilford Lane469 m away | 49 m² | 79 m² | +30 m² +61% | 2017 |
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| 16, Southbourne Gardens503 m away | 122 m² | 152 m² | +30 m² +25% | 2017 |
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| 73, Faircross Avenue743 m away | 97 m² | 127 m² | +30 m² +31% | 2016 |
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| 107, Stevenage Road640 m away | 65 m² | 95 m² | +30 m² +46% | 2014 |
|---|
| 10a, Rectory Road702 m away | 97 m² | 127 m² | +30 m² +31% | 2013 |
|---|
| 10, Grange Road886 m away | 97 m² | 127 m² | +30 m² +31% | 2013 |
|---|
| 30, Fairfield Road329 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| 21, Vine Gardens506 m away | 81 m² | 110 m² | +29 m² +36% | 2023 |
|---|
| 35, Northfield Road943 m away | 94 m² | 123 m² | +29 m² +31% | 2023 |
|---|
| 109, Glenny Road712 m away | 86 m² | 115 m² | +29 m² +34% | 2022 |
|---|
| 2, Roman Road404 m away | 63 m² | 92 m² | +29 m² +46% | 2020 |
|---|
| 26, Browning Road962 m away | 72 m² | 101 m² | +29 m² +40% | 2020 |
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| 2, Weardale House, Mayville Road473 m away | 64 m² | 93 m² | +29 m² +45% | 2017 |
|---|
| 34, Brockenhurst Gardens555 m away | 64 m² | 93 m² | +29 m² +45% | 2016 |
|---|
| 14, Faircross Avenue949 m away | 61 m² | 90 m² | +29 m² +48% | 2015 |
|---|
| 273, Church Road743 m away | 47 m² | 76 m² | +29 m² +62% | 2014 |
|---|
| 57, Saxon Road271 m away | 45 m² | 73 m² | +28 m² +62% | 2024 |
|---|
| Flat 13, Honeysuckle Court, Hyacinth Close215 m away | 40 m² | 68 m² | +28 m² +70% | 2023 |
|---|
| 72, Landseer Avenue473 m away | 30 m² | 58 m² | +28 m² +93% | 2022 |
|---|
| 183, Sixth Avenue958 m away | 88 m² | 116 m² | +28 m² +32% | 2022 |
|---|
| 71, Mortlake Road775 m away | 97 m² | 125 m² | +28 m² +29% | 2019 |
|---|
| 21, Hamilton Road778 m away | 52 m² | 80 m² | +28 m² +54% | 2018 |
|---|
| 31, Northfield Road943 m away | 34 m² | 62 m² | +28 m² +82% | 2014 |
|---|
| 2, Faircross Avenue949 m away | 98 m² | 126 m² | +28 m² +29% | 2014 |
|---|
| 262, Dersingham Avenue657 m away | 53 m² | 81 m² | +28 m² +53% | 2012 |
|---|
| 429, Ilford Lane461 m away | 109 m² | 136 m² | +27 m² +25% | 2024 |
|---|
| 54, Uphall Road157 m away | 60 m² | 87 m² | +27 m² +45% | 2023 |
|---|
| 29, Henley Road648 m away | 56 m² | 83 m² | +27 m² +48% | 2023 |
|---|
| 46, Watson Avenue840 m away | 95 m² | 122 m² | +27 m² +28% | 2023 |
|---|
| 57, Stevenage Road640 m away | 55 m² | 82 m² | +27 m² +49% | 2022 |
|---|
| 15, Elsenham Road611 m away | 86 m² | 113 m² | +27 m² +31% | 2020 |
|---|
| 157, Sheringham Avenue850 m away | 96 m² | 123 m² | +27 m² +28% | 2015 |
|---|
| 21, Norman Road274 m away | 68 m² | 95 m² | +27 m² +40% | 2010 |
|---|
| 22, Norman Road268 m away | 82 m² | 108 m² | +26 m² +32% | 2026 |
|---|
| 36, Pittman Gardens593 m away | 65 m² | 91 m² | +26 m² +40% | 2024 |
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