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 OL8 3DZ
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 |
|---|---|---|---|---|
| 61, Belgrave Road712 m away | 269 m² | 480 m² | +211 m² +78% | 2016 |
| 29, Belgrave Road712 m away | 263 m² | 449 m² | +186 m² +71% | 2014 |
| 137, Windsor Road967 m away | 171 m² | 301 m² | +130 m² +76% | 2017 |
| 178, Chamber Road891 m away | 162 m² | 274 m² | +112 m² +69% | 2015 |
| 59, Belgrave Road712 m away | 166 m² | 266 m² | +100 m² +60% | 2026 |
| 31, Corona Avenue595 m away | 81 m² | 180 m² | +99 m² +122% | 2015 |
| 180, Chamber Road882 m away | 240 m² | 339 m² | +99 m² +41% | 2015 |
| 88, Belgrave Road712 m away | 175 m² | 271 m² | +96 m² +55% | 2015 |
| 13, Watts Street808 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.
| 160 m² |
| +92 m² +135% |
| 2025 |
| 308, Windsor Road429 m away | 241 m² | 332 m² | +91 m² +38% | 2016 |
|---|
| 56, Copster Hill Road579 m away | 115 m² | 199 m² | +84 m² +73% | 2016 |
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| 27, Mirfield Avenue608 m away | 82 m² | 165 m² | +83 m² +101% | 2016 |
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| 3, Plymouth Street398 m away | 83 m² | 160 m² | +77 m² +93% | 2014 |
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| 51, Crete Street619 m away | 87 m² | 164 m² | +77 m² +89% | 2014 |
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| 33, Belgrave Road712 m away | 207 m² | 279 m² | +72 m² +35% | 2016 |
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| 25, Broadway Street652 m away | 66 m² | 137 m² | +71 m² +108% | 2016 |
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| 41, Kensington Road979 m away | 117 m² | 188 m² | +71 m² +61% | 2014 |
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| 189, Windsor Road828 m away | 125 m² | 194 m² | +69 m² +55% | 2014 |
|---|
| 4, Cartmel Close907 m away | 92 m² | 159 m² | +67 m² +73% | 2016 |
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| 315, Frederick Street524 m away | 129 m² | 194 m² | +65 m² +50% | 2014 |
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| 93, Burlington Avenue627 m away | 100 m² | 164 m² | +64 m² +64% | 2014 |
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| 35, Belgrave Road712 m away | 212 m² | 276 m² | +64 m² +30% | 2014 |
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| 184, Heron Street993 m away | 64 m² | 128 m² | +64 m² +100% | 2013 |
|---|
| 277, Windsor Road654 m away | 118 m² | 180 m² | +62 m² +53% | 2014 |
|---|
| 15, Kenyon Avenue353 m away | 64 m² | 125 m² | +61 m² +95% | 2014 |
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| 46a, Eton Avenue461 m away | 179 m² | 240 m² | +61 m² +34% | 2014 |
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| 56, Neild Street502 m away | 64 m² | 125 m² | +61 m² +95% | 2014 |
|---|
| 111, Fir Tree Avenue667 m away | 98 m² | 158 m² | +60 m² +61% | 2021 |
|---|
| 21, Plymouth Street398 m away | 100 m² | 160 m² | +60 m² +60% | 2014 |
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| 1, Halliwell Avenue162 m away | 85 m² | 142 m² | +57 m² +67% | 2016 |
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| 52, Villa Road575 m away | 105 m² | 161 m² | +56 m² +53% | 2016 |
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| 24, New Road741 m away | 87 m² | 143 m² | +56 m² +64% | 2016 |
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| 4, Langdale Avenue935 m away | 173 m² | 229 m² | +56 m² +32% | 2016 |
|---|
| 17, Crete Street540 m away | 124 m² | 180 m² | +56 m² +45% | 2014 |
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| 178, Frederick Street956 m away | 194 m² | 250 m² | +56 m² +29% | 2014 |
|---|
| 5, Kent Street408 m away | 70 m² | 124 m² | +54 m² +77% | 2018 |
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| 25, Wallace Street528 m away | 106 m² | 160 m² | +54 m² +51% | 2014 |
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| 13, Meldrum Street688 m away | 45 m² | 98 m² | +53 m² +118% | 2014 |
|---|
| 79, Belgrave Road712 m away | 222 m² | 275 m² | +53 m² +24% | 2014 |
|---|
| 77, Villa Road575 m away | 128 m² | 180 m² | +52 m² +41% | 2014 |
|---|
| 27, Broadway Street652 m away | 73 m² | 125 m² | +52 m² +71% | 2014 |
|---|
| 33, College Road668 m away | 110 m² | 162 m² | +52 m² +47% | 2014 |
|---|
| 60, Copster Hill Road579 m away | 71 m² | 123 m² | +52 m² +73% | 2013 |
|---|
| 43, Kensington Road979 m away | 111 m² | 162 m² | +51 m² +46% | 2025 |
|---|
| 295, Frederick Street640 m away | 120 m² | 170 m² | +50 m² +42% | 2016 |
|---|
| 29, Honeywell Lane331 m away | 48 m² | 97 m² | +49 m² +102% | 2023 |
|---|
| 6, Langdale Avenue935 m away | 136 m² | 185 m² | +49 m² +36% | 2016 |
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| 11, Corona Avenue595 m away | 81 m² | 130 m² | +49 m² +60% | 2014 |
|---|
| 5, Tydden Street113 m away | 80 m² | 129 m² | +49 m² +61% | 2009 |
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| 87, Copster Hill Road579 m away | 57 m² | 105 m² | +48 m² +84% | 2014 |
|---|
| 3, Chamber Hall Close929 m away | 92 m² | 140 m² | +48 m² +52% | 2014 |
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| 4, Keble Avenue532 m away | 92 m² | 139 m² | +47 m² +51% | 2015 |
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| 24, Plymouth Street398 m away | 73 m² | 120 m² | +47 m² +64% | 2014 |
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| 273, Frederick Street640 m away | 175 m² | 222 m² | +47 m² +27% | 2013 |
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| 116, Copster Hill Road579 m away | 77 m² | 123 m² | +46 m² +60% | 2025 |
|---|
| 20, New Road741 m away | 96 m² | 142 m² | +46 m² +48% | 2016 |
|---|
| 72, Broadway Street732 m away | 72 m² | 118 m² | +46 m² +64% | 2014 |
|---|
| 194, Hollins Road200 m away | 115 m² | 159 m² | +44 m² +38% | 2025 |
|---|
| 241, Lee Street879 m away | 104 m² | 148 m² | +44 m² +42% | 2016 |
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| 108, Merton Avenue663 m away | 97 m² | 140 m² | +43 m² +44% | 2021 |
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| 53, Crete Street619 m away | 83 m² | 126 m² | +43 m² +52% | 2015 |
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| 3, Hemlock Avenue241 m away | 71 m² | 113 m² | +42 m² +59% | 2026 |
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| 314, Lee Street782 m away | 84 m² | 126 m² | +42 m² +50% | 2018 |
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| 181, Frederick Street956 m away | 209 m² | 251 m² | +42 m² +20% | 2016 |
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| 153, Windsor Road967 m away | 152 m² | 194 m² | +42 m² +28% | 2016 |
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| 177, Windsor Road828 m away | 113 m² | 155 m² | +42 m² +37% | 2015 |
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| 188, Windsor Road967 m away | 217 m² | 259 m² | +42 m² +19% | 2013 |
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| 218, Frederick Street784 m away | 129 m² | 170 m² | +41 m² +32% | 2019 |
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| 85, Crete Street619 m away | 64 m² | 105 m² | +41 m² +64% | 2015 |
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| 15, Oriel Avenue438 m away | 90 m² | 131 m² | +41 m² +46% | 2014 |
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| 6, Villa Road496 m away | 81 m² | 122 m² | +41 m² +51% | 2014 |
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| 172, Copster Hill Road421 m away | 85 m² | 125 m² | +40 m² +47% | 2025 |
|---|
| 4, Mill Gate991 m away | 69 m² | 109 m² | +40 m² +58% | 2021 |
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| 42, Repton Avenue593 m away | 84 m² | 123 m² | +39 m² +46% | 2024 |
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| 10, Marion Street254 m away | 82 m² | 121 m² | +39 m² +48% | 2016 |
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| 56, Crete Street540 m away | 88 m² | 127 m² | +39 m² +44% | 2016 |
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| 4, Mirfield Avenue608 m away | 80 m² | 119 m² | +39 m² +49% | 2016 |
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| 11, Howgill Crescent204 m away | 105 m² | 144 m² | +39 m² +37% | 2013 |
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| 425, Hollins Road790 m away | 76 m² | 115 m² | +39 m² +51% | 2009 |
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| 21, Crete Street540 m away | 79 m² | 117 m² | +38 m² +48% | 2025 |
|---|
| 4, Thorncliff Avenue376 m away | 133 m² | 171 m² | +38 m² +29% | 2016 |
|---|
| 203, Windsor Road828 m away | 148 m² | 186 m² | +38 m² +26% | 2015 |
|---|
| 736, Ashton Road652 m away | 81 m² | 119 m² | +38 m² +47% | 2011 |
|---|
| 259, Frederick Street640 m away | 160 m² | 197 m² | +37 m² +23% | 2014 |
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| 59, Broadway Street652 m away | 72 m² | 108 m² | +36 m² +50% | 2026 |
|---|
| 291, Frederick Street640 m away | 165 m² | 201 m² | +36 m² +22% | 2015 |
|---|
| 24, Grendon Avenue632 m away | 124 m² | 160 m² | +36 m² +29% | 2014 |
|---|
| 22, Green Lane672 m away | 82 m² | 117 m² | +35 m² +43% | 2025 |
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| 280, Heron Street823 m away | 62 m² | 97 m² | +35 m² +56% | 2023 |
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| 49, Villa Road575 m away | 76 m² | 111 m² | +35 m² +46% | 2017 |
|---|
| 102, Belgrave Road712 m away | 84 m² | 119 m² | +35 m² +42% | 2016 |
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| 19, Hawthorn Crescent479 m away | 111 m² | 146 m² | +35 m² +32% | 2015 |
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| 163, Meldrum Street688 m away | 61 m² | 96 m² | +35 m² +57% | 2014 |
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| 215, Copster Hill Road343 m away | 101 m² | 136 m² | +35 m² +35% | 2013 |
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| 1, Hermon Avenue467 m away | 94 m² | 128 m² | +34 m² +36% | 2022 |
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| 15, Harper Street825 m away | 84 m² | 118 m² | +34 m² +40% | 2016 |
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| 63, Villa Road575 m away | 91 m² | 125 m² | +34 m² +37% | 2014 |
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| 41, Gainsborough Avenue814 m away | 113 m² | 147 m² | +34 m² +30% | 2014 |
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| 58, Howgill Crescent204 m away | 79 m² | 113 m² | +34 m² +43% | 2013 |
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| 28, Greenhurst Crescent905 m away | 70 m² | 103 m² | +33 m² +47% | 2026 |
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| 46, Howgill Crescent204 m away | 70 m² | 103 m² | +33 m² +47% | 2022 |
|---|
| 1, Avon Street658 m away | 58 m² | 91 m² | +33 m² +57% | 2021 |
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| 30, Eton Avenue461 m away | 77 m² | 110 m² | +33 m² +43% | 2015 |
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| 69, Villa Road575 m away | 73 m² | 105 m² | +32 m² +44% | 2024 |
|---|
| 70, Villa Road575 m away | 110 m² | 142 m² | +32 m² +29% | 2015 |
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| 75, Gainsborough Avenue645 m away | 69 m² | 101 m² | +32 m² +46% | 2014 |
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| 2, Sidlaw Close237 m away | 72 m² | 104 m² | +32 m² +44% | 2013 |
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| 28, Keble Avenue532 m away | 101 m² | 133 m² | +32 m² +32% | 2013 |
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| 16, Alvingham Avenue377 m away | 109 m² | 140 m² | +31 m² +28% | 2023 |
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| 39, Manley Road579 m away | 97 m² | 128 m² | +31 m² +32% | 2016 |
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| 71, Gainsborough Avenue645 m away | 81 m² | 112 m² | +31 m² +38% | 2016 |
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| 241, Windsor Road654 m away | 121 m² | 152 m² | +31 m² +26% | 2016 |
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| 54, Crete Street540 m away | 80 m² | 111 m² | +31 m² +39% | 2014 |
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| 164, Coppice Street965 m away | 143 m² | 174 m² | +31 m² +22% | 2014 |
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| 125, Gainsborough Avenue645 m away | 114 m² | 145 m² | +31 m² +27% | 2013 |
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| 29, Corona Avenue595 m away | 82 m² | 112 m² | +30 m² +37% | 2026 |
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| 107, Villa Road620 m away | 81 m² | 111 m² | +30 m² +37% | 2025 |
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| 28, Fieldsway672 m away | 72 m² | 102 m² | +30 m² +42% | 2025 |
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| 113, Villa Road681 m away | 106 m² | 136 m² | +30 m² +28% | 2016 |
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| 17, Camberwell Street728 m away | 78 m² | 108 m² | +30 m² +38% | 2016 |
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| 39, Keble Avenue539 m away | 122 m² | 152 m² | +30 m² +25% | 2015 |
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| 259, Windsor Road654 m away | 142 m² | 172 m² | +30 m² +21% | 2015 |
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| 94, Langham Road699 m away | 83 m² | 112 m² | +29 m² +35% | 2026 |
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| 21, Eton Avenue461 m away | 131 m² | 160 m² | +29 m² +22% | 2025 |
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| 3, Stratford Avenue118 m away | 87 m² | 116 m² | +29 m² +33% | 2016 |
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| 33, Kensington Road979 m away | 155 m² | 184 m² | +29 m² +19% | 2016 |
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| 11, Keble Avenue532 m away | 126 m² | 155 m² | +29 m² +23% | 2015 |
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| 645, Ashton Road597 m away | 72 m² | 100 m² | +28 m² +39% | 2026 |
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| 12, Honeywell Lane331 m away | 83 m² | 111 m² | +28 m² +34% | 2020 |
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| 1, Sidlaw Close237 m away | 100 m² | 128 m² | +28 m² +28% | 2016 |
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| 30, Marion Street254 m away | 93 m² | 121 m² | +28 m² +30% | 2016 |
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| 233, Windsor Road654 m away | 117 m² | 145 m² | +28 m² +24% | 2015 |
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| 46, Gainsborough Avenue814 m away | 84 m² | 112 m² | +28 m² +33% | 2015 |
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| 7, Clydesdale Street472 m away | 76 m² | 104 m² | +28 m² +37% | 2014 |
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| 84, Burlington Avenue627 m away | 92 m² | 120 m² | +28 m² +30% | 2014 |
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| 124, Belgrave Road712 m away | 142 m² | 170 m² | +28 m² +20% | 2014 |
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| 1, Camberwell Street728 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 27, Hollins Road101 m away | 67 m² | 94 m² | +27 m² +40% | 2025 |
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| 18, Alvingham Avenue377 m away | 108 m² | 135 m² | +27 m² +25% | 2024 |
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| 21, Oriel Avenue427 m away | 83 m² | 110 m² | +27 m² +33% | 2016 |
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| 268, Lee Street862 m away | 118 m² | 145 m² | +27 m² +23% | 2016 |
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| 266, Copster Hill Road270 m away | 79 m² | 106 m² | +27 m² +34% | 2015 |
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| 26, Eton Avenue461 m away | 81 m² | 108 m² | +27 m² +33% | 2015 |
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| 45, Crete Street540 m away | 129 m² | 156 m² | +27 m² +21% | 2015 |
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| 9, Brae Side711 m away | 110 m² | 137 m² | +27 m² +25% | 2015 |
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| 29, Wallace Street528 m away | 72 m² | 99 m² | +27 m² +38% | 2014 |
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| 5, College Road668 m away | 88 m² | 115 m² | +27 m² +31% | 2014 |
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| 61, Meldrum Street688 m away | 105 m² | 132 m² | +27 m² +26% | 2013 |
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| 5, Falmouth Street449 m away | 93 m² | 119 m² | +26 m² +28% | 2024 |
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| 202, Belgrave Road712 m away | 148 m² | 174 m² | +26 m² +18% | 2016 |
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| 86, Copster Hill Road579 m away | 67 m² | 93 m² | +26 m² +39% | 2014 |
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| 82, Villa Road620 m away | 91 m² | 117 m² | +26 m² +29% | 2014 |
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| 1, Kennedy Street908 m away | 65 m² | 91 m² | +26 m² +40% | 2014 |
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| 28, Honeywell Lane331 m away | 51 m² | 76 m² | +25 m² +49% | 2025 |
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| 16, Bellfield Avenue258 m away | 64 m² | 89 m² | +25 m² +39% | 2022 |
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| 2, Belgrave Road847 m away | 84 m² | 109 m² | +25 m² +30% | 2015 |
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| 38, Villa Road496 m away | 71 m² | 96 m² | +25 m² +35% | 2014 |
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| 101, Gainsborough Avenue645 m away | 83 m² | 108 m² | +25 m² +30% | 2014 |
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| 300, Lee Street782 m away | 78 m² | 103 m² | +25 m² +32% | 2014 |
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| 49, Fir Tree Avenue667 m away | 72 m² | 97 m² | +25 m² +35% | 2013 |
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| 284, Lee Street862 m away | 101 m² | 125 m² | +24 m² +24% | 2022 |
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| 101, Villa Road620 m away | 77 m² | 101 m² | +24 m² +31% | 2021 |
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| 280, Lee Street862 m away | 87 m² | 111 m² | +24 m² +28% | 2016 |
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| 282, Lee Street862 m away | 89 m² | 113 m² | +24 m² +27% | 2016 |
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| 2, Enfield Avenue207 m away | 75 m² | 99 m² | +24 m² +32% | 2015 |
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| 19, Crete Street540 m away | 84 m² | 108 m² | +24 m² +29% | 2015 |
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| 7, Southway702 m away | 93 m² | 117 m² | +24 m² +26% | 2015 |
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| 179, Belgrave Road775 m away | 158 m² | 182 m² | +24 m² +15% | 2014 |
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| 141, Windsor Road967 m away | 153 m² | 177 m² | +24 m² +16% | 2014 |
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| 12, Link Lane550 m away | 96 m² | 119 m² | +23 m² +24% | 2024 |
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| 51, Honeywell Lane331 m away | 70 m² | 93 m² | +23 m² +33% | 2023 |
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| 28, Ralstone Avenue606 m away | 68 m² | 91 m² | +23 m² +34% | 2023 |
|---|
| 153, Hollins Road173 m away | 66 m² | 89 m² | +23 m² +35% | 2019 |
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| 76, Crete Street619 m away | 98 m² | 121 m² | +23 m² +23% | 2016 |
|---|
| 3, Alton Street131 m away | 67 m² | 90 m² | +23 m² +34% | 2015 |
|---|
| 41, Crete Street540 m away | 80 m² | 103 m² | +23 m² +29% | 2015 |
|---|
| 7, Forest Street239 m away | 71 m² | 93 m² | +22 m² +31% | 2025 |
|---|
| 7, Manley Road765 m away | 73 m² | 95 m² | +22 m² +30% | 2019 |
|---|
| 16, Lorne Street561 m away | 77 m² | 99 m² | +22 m² +29% | 2016 |
|---|
| 44, Harrow Avenue571 m away | 78 m² | 100 m² | +22 m² +28% | 2016 |
|---|
| 10, Meadow Lane549 m away | 82 m² | 104 m² | +22 m² +27% | 2015 |
|---|
| 31, Crete Street540 m away | 98 m² | 120 m² | +22 m² +22% | 2014 |
|---|
| 12, Eton Avenue606 m away | 118 m² | 140 m² | +22 m² +19% | 2014 |
|---|
| 79, Crete Street619 m away | 96 m² | 118 m² | +22 m² +23% | 2014 |
|---|
| 74, Burlington Avenue769 m away | 82 m² | 104 m² | +22 m² +27% | 2014 |
|---|
| 44, Howgill Crescent204 m away | 106 m² | 127 m² | +21 m² +20% | 2026 |
|---|
| 396, Ashton Road135 m away | 76 m² | 97 m² | +21 m² +28% | 2025 |
|---|
| 237, Windsor Road654 m away | 75 m² | 96 m² | +21 m² +28% | 2023 |
|---|
| 44, Merton Avenue796 m away | 61 m² | 82 m² | +21 m² +34% | 2021 |
|---|
| 163, Honeywell Lane597 m away | 76 m² | 97 m² | +21 m² +28% | 2016 |
|---|
| 262, Lee Street862 m away | 91 m² | 112 m² | +21 m² +23% | 2016 |
|---|
| 6, White Bank Road997 m away | 104 m² | 125 m² | +21 m² +20% | 2015 |
|---|
| 400, Ashton Road135 m away | 69 m² | 90 m² | +21 m² +30% | 2014 |
|---|
| 79, Villa Road620 m away | 86 m² | 107 m² | +21 m² +24% | 2014 |
|---|
| 80, Belgrave Road712 m away | 74 m² | 95 m² | +21 m² +28% | 2014 |
|---|
| 71, Upland Road807 m away | 83 m² | 104 m² | +21 m² +25% | 2014 |
|---|
| 32, Honeywell Lane331 m away | 93 m² | 114 m² | +21 m² +23% | 2013 |
|---|
| 44, Neild Street502 m away | 66 m² | 86 m² | +20 m² +30% | 2023 |
|---|
| 260, Honeywell Lane869 m away | 130 m² | 150 m² | +20 m² +15% | 2023 |
|---|
| 86, Hollins Road37 m away | 76 m² | 96 m² | +20 m² +26% | 2019 |
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