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 3DB
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 Road650 m away | 269 m² | 480 m² | +211 m² +78% | 2016 |
| 29, Belgrave Road614 m away | 263 m² | 449 m² | +186 m² +71% | 2014 |
| 134, Grange Avenue988 m away | 178 m² | 310 m² | +132 m² +74% | 2015 |
| 18, Broomhurst Avenue976 m away | 117 m² | 247 m² | +130 m² +111% | 2026 |
| 137, Windsor Road827 m away | 171 m² | 301 m² | +130 m² +76% | 2017 |
| 178, Chamber Road763 m away | 162 m² | 274 m² | +112 m² +69% | 2015 |
| 132, Grange Avenue988 m away | 148 m² | 250 m² | +102 m² +69% | 2015 |
| 13, St Thomas Street South994 m away | 99 m² | 200 m² | +101 m² +102% | 2016 |
| 59, Belgrave Road650 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.
| 166 m² |
| 266 m² |
| +100 m² +60% |
| 2026 |
| 31, Corona Avenue587 m away | 81 m² | 180 m² | +99 m² +122% | 2015 |
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| 180, Chamber Road790 m away | 240 m² | 339 m² | +99 m² +41% | 2015 |
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| 88, Belgrave Road614 m away | 175 m² | 271 m² | +96 m² +55% | 2015 |
|---|
| 13, Watts Street836 m away | 68 m² | 160 m² | +92 m² +135% | 2025 |
|---|
| 308, Windsor Road305 m away | 241 m² | 332 m² | +91 m² +38% | 2016 |
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| 56, Copster Hill Road426 m away | 115 m² | 199 m² | +84 m² +73% | 2016 |
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| 27, Mirfield Avenue455 m away | 82 m² | 165 m² | +83 m² +101% | 2016 |
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| 97, Wellington Road956 m away | 171 m² | 254 m² | +83 m² +49% | 2015 |
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| 200 - 202, Lee Street866 m away | 58 m² | 139 m² | +81 m² +140% | 2014 |
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| 3, Plymouth Street288 m away | 83 m² | 160 m² | +77 m² +93% | 2014 |
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| 51, Crete Street539 m away | 87 m² | 164 m² | +77 m² +89% | 2014 |
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| 153, Frederick Street938 m away | 201 m² | 274 m² | +73 m² +36% | 2015 |
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| 33, Belgrave Road614 m away | 207 m² | 279 m² | +72 m² +35% | 2016 |
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| 25, Broadway Street522 m away | 66 m² | 137 m² | +71 m² +108% | 2016 |
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| 41, Kensington Road852 m away | 117 m² | 188 m² | +71 m² +61% | 2014 |
|---|
| 184, Hollins Road202 m away | 69 m² | 139 m² | +70 m² +101% | 2015 |
|---|
| 189, Windsor Road691 m away | 125 m² | 194 m² | +69 m² +55% | 2014 |
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| 4, Cartmel Close834 m away | 92 m² | 159 m² | +67 m² +73% | 2016 |
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| 315, Frederick Street461 m away | 129 m² | 194 m² | +65 m² +50% | 2014 |
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| 93, Burlington Avenue484 m away | 100 m² | 164 m² | +64 m² +64% | 2014 |
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| 35, Belgrave Road614 m away | 212 m² | 276 m² | +64 m² +30% | 2014 |
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| 184, Heron Street947 m away | 64 m² | 128 m² | +64 m² +100% | 2013 |
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| 277, Windsor Road521 m away | 118 m² | 180 m² | +62 m² +53% | 2014 |
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| 15, Kenyon Avenue340 m away | 64 m² | 125 m² | +61 m² +95% | 2014 |
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| 56, Neild Street351 m away | 64 m² | 125 m² | +61 m² +95% | 2014 |
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| 46a, Eton Avenue390 m away | 179 m² | 240 m² | +61 m² +34% | 2014 |
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| 26, Wellington Road922 m away | 49 m² | 110 m² | +61 m² +124% | 2014 |
|---|
| 111, Fir Tree Avenue802 m away | 98 m² | 158 m² | +60 m² +61% | 2021 |
|---|
| 21, Plymouth Street288 m away | 100 m² | 160 m² | +60 m² +60% | 2014 |
|---|
| 1, Halliwell Avenue160 m away | 85 m² | 142 m² | +57 m² +67% | 2016 |
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| 18, Selkirk Avenue933 m away | 87 m² | 144 m² | +57 m² +66% | 2015 |
|---|
| 52, Villa Road473 m away | 105 m² | 161 m² | +56 m² +53% | 2016 |
|---|
| 24, New Road590 m away | 87 m² | 143 m² | +56 m² +64% | 2016 |
|---|
| 4, Langdale Avenue835 m away | 173 m² | 229 m² | +56 m² +32% | 2016 |
|---|
| 17, Crete Street448 m away | 124 m² | 180 m² | +56 m² +45% | 2014 |
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| 178, Frederick Street842 m away | 194 m² | 250 m² | +56 m² +29% | 2014 |
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| 5, Kent Street274 m away | 70 m² | 124 m² | +54 m² +77% | 2018 |
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| 25, Wallace Street407 m away | 106 m² | 160 m² | +54 m² +51% | 2014 |
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| 13, Meldrum Street586 m away | 45 m² | 98 m² | +53 m² +118% | 2014 |
|---|
| 79, Belgrave Road650 m away | 222 m² | 275 m² | +53 m² +24% | 2014 |
|---|
| 77, Villa Road473 m away | 128 m² | 180 m² | +52 m² +41% | 2014 |
|---|
| 27, Broadway Street522 m away | 73 m² | 125 m² | +52 m² +71% | 2014 |
|---|
| 33, College Road551 m away | 110 m² | 162 m² | +52 m² +47% | 2014 |
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| 60, Copster Hill Road426 m away | 71 m² | 123 m² | +52 m² +73% | 2013 |
|---|
| 43, Kensington Road852 m away | 111 m² | 162 m² | +51 m² +46% | 2025 |
|---|
| 295, Frederick Street543 m away | 120 m² | 170 m² | +50 m² +42% | 2016 |
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| 29, Honeywell Lane296 m away | 48 m² | 97 m² | +49 m² +102% | 2023 |
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| 6, Langdale Avenue835 m away | 136 m² | 185 m² | +49 m² +36% | 2016 |
|---|
| 11, Corona Avenue587 m away | 81 m² | 130 m² | +49 m² +60% | 2014 |
|---|
| 5, Tydden Street164 m away | 80 m² | 129 m² | +49 m² +61% | 2009 |
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| 87, Copster Hill Road426 m away | 57 m² | 105 m² | +48 m² +84% | 2014 |
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| 3, Chamber Hall Close836 m away | 92 m² | 140 m² | +48 m² +52% | 2014 |
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| 4, Keble Avenue424 m away | 92 m² | 139 m² | +47 m² +51% | 2015 |
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| 24, Plymouth Street288 m away | 73 m² | 120 m² | +47 m² +64% | 2014 |
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| 273, Frederick Street543 m away | 175 m² | 222 m² | +47 m² +27% | 2013 |
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| 116, Copster Hill Road426 m away | 77 m² | 123 m² | +46 m² +60% | 2025 |
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| 20, New Road590 m away | 96 m² | 142 m² | +46 m² +48% | 2016 |
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| 72, Broadway Street618 m away | 72 m² | 118 m² | +46 m² +64% | 2014 |
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| 95, Wellington Road956 m away | 184 m² | 229 m² | +45 m² +24% | 2014 |
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| 194, Hollins Road202 m away | 115 m² | 159 m² | +44 m² +38% | 2025 |
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| 241, Lee Street727 m away | 104 m² | 148 m² | +44 m² +42% | 2016 |
|---|
| 108, Merton Avenue614 m away | 97 m² | 140 m² | +43 m² +44% | 2021 |
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| 53, Crete Street539 m away | 83 m² | 126 m² | +43 m² +52% | 2015 |
|---|
| 3, Hemlock Avenue181 m away | 71 m² | 113 m² | +42 m² +59% | 2026 |
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| 314, Lee Street630 m away | 84 m² | 126 m² | +42 m² +50% | 2018 |
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| 153, Windsor Road827 m away | 152 m² | 194 m² | +42 m² +28% | 2016 |
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| 181, Frederick Street842 m away | 209 m² | 251 m² | +42 m² +20% | 2016 |
|---|
| 177, Windsor Road691 m away | 113 m² | 155 m² | +42 m² +37% | 2015 |
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| 188, Windsor Road827 m away | 217 m² | 259 m² | +42 m² +19% | 2013 |
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| 218, Frederick Street680 m away | 129 m² | 170 m² | +41 m² +32% | 2019 |
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| 85, Crete Street539 m away | 64 m² | 105 m² | +41 m² +64% | 2015 |
|---|
| 15, Oriel Avenue327 m away | 90 m² | 131 m² | +41 m² +46% | 2014 |
|---|
| 6, Villa Road383 m away | 81 m² | 122 m² | +41 m² +51% | 2014 |
|---|
| 172, Copster Hill Road272 m away | 85 m² | 125 m² | +40 m² +47% | 2025 |
|---|
| 4, Mill Gate994 m away | 69 m² | 109 m² | +40 m² +58% | 2021 |
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| 42, Repton Avenue559 m away | 84 m² | 123 m² | +39 m² +46% | 2024 |
|---|
| 10, Marion Street251 m away | 82 m² | 121 m² | +39 m² +48% | 2016 |
|---|
| 56, Crete Street448 m away | 88 m² | 127 m² | +39 m² +44% | 2016 |
|---|
| 4, Mirfield Avenue455 m away | 80 m² | 119 m² | +39 m² +49% | 2016 |
|---|
| 11, Howgill Crescent286 m away | 105 m² | 144 m² | +39 m² +37% | 2013 |
|---|
| 425, Hollins Road812 m away | 76 m² | 115 m² | +39 m² +51% | 2009 |
|---|
| 21, Crete Street448 m away | 79 m² | 117 m² | +38 m² +48% | 2025 |
|---|
| 4, Thorncliff Avenue326 m away | 133 m² | 171 m² | +38 m² +29% | 2016 |
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| 203, Windsor Road691 m away | 148 m² | 186 m² | +38 m² +26% | 2015 |
|---|
| 736, Ashton Road805 m away | 81 m² | 119 m² | +38 m² +47% | 2011 |
|---|
| 259, Frederick Street543 m away | 160 m² | 197 m² | +37 m² +23% | 2014 |
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| 59, Broadway Street522 m away | 72 m² | 108 m² | +36 m² +50% | 2026 |
|---|
| 291, Frederick Street543 m away | 165 m² | 201 m² | +36 m² +22% | 2015 |
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| 24, Grendon Avenue516 m away | 124 m² | 160 m² | +36 m² +29% | 2014 |
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| 22, Green Lane720 m away | 82 m² | 117 m² | +35 m² +43% | 2025 |
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| 280, Heron Street824 m away | 62 m² | 97 m² | +35 m² +56% | 2023 |
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| 49, Villa Road473 m away | 76 m² | 111 m² | +35 m² +46% | 2017 |
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| 102, Belgrave Road614 m away | 84 m² | 119 m² | +35 m² +42% | 2016 |
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| 19, Hawthorn Crescent613 m away | 111 m² | 146 m² | +35 m² +32% | 2015 |
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| 163, Meldrum Street626 m away | 61 m² | 96 m² | +35 m² +57% | 2014 |
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| 215, Copster Hill Road223 m away | 101 m² | 136 m² | +35 m² +35% | 2013 |
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| 1, Hermon Avenue330 m away | 94 m² | 128 m² | +34 m² +36% | 2022 |
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| 15, Harper Street671 m away | 84 m² | 118 m² | +34 m² +40% | 2016 |
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| 63, Villa Road473 m away | 91 m² | 125 m² | +34 m² +37% | 2014 |
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| 41, Gainsborough Avenue675 m away | 113 m² | 147 m² | +34 m² +30% | 2014 |
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| 58, Howgill Crescent286 m away | 79 m² | 113 m² | +34 m² +43% | 2013 |
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| 46, Howgill Crescent286 m away | 70 m² | 103 m² | +33 m² +47% | 2022 |
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| 1, Avon Street540 m away | 58 m² | 91 m² | +33 m² +57% | 2021 |
|---|
| 30, Eton Avenue390 m away | 77 m² | 110 m² | +33 m² +43% | 2015 |
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| 69, Villa Road473 m away | 73 m² | 105 m² | +32 m² +44% | 2024 |
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| 70, Villa Road473 m away | 110 m² | 142 m² | +32 m² +29% | 2015 |
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| 75, Gainsborough Avenue508 m away | 69 m² | 101 m² | +32 m² +46% | 2014 |
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| 33, St Thomas Street South994 m away | 90 m² | 122 m² | +32 m² +36% | 2014 |
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| 2, Sidlaw Close374 m away | 72 m² | 104 m² | +32 m² +44% | 2013 |
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| 28, Keble Avenue424 m away | 101 m² | 133 m² | +32 m² +32% | 2013 |
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| 16, Alvingham Avenue224 m away | 109 m² | 140 m² | +31 m² +28% | 2023 |
|---|
| 39, Manley Road431 m away | 97 m² | 128 m² | +31 m² +32% | 2016 |
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| 71, Gainsborough Avenue508 m away | 81 m² | 112 m² | +31 m² +38% | 2016 |
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| 241, Windsor Road521 m away | 121 m² | 152 m² | +31 m² +26% | 2016 |
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| 54, Crete Street448 m away | 80 m² | 111 m² | +31 m² +39% | 2014 |
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| 164, Coppice Street823 m away | 143 m² | 174 m² | +31 m² +22% | 2014 |
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| 125, Gainsborough Avenue508 m away | 114 m² | 145 m² | +31 m² +27% | 2013 |
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| 29, Corona Avenue587 m away | 82 m² | 112 m² | +30 m² +37% | 2026 |
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| 107, Villa Road533 m away | 81 m² | 111 m² | +30 m² +37% | 2025 |
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| 28, Fieldsway791 m away | 72 m² | 102 m² | +30 m² +42% | 2025 |
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| 17, Camberwell Street575 m away | 78 m² | 108 m² | +30 m² +38% | 2016 |
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| 113, Villa Road599 m away | 106 m² | 136 m² | +30 m² +28% | 2016 |
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| 150, Grange Avenue988 m away | 161 m² | 191 m² | +30 m² +19% | 2016 |
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| 39, Keble Avenue451 m away | 122 m² | 152 m² | +30 m² +25% | 2015 |
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| 259, Windsor Road521 m away | 142 m² | 172 m² | +30 m² +21% | 2015 |
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| 29, Wellington Road922 m away | 95 m² | 125 m² | +30 m² +32% | 2013 |
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| 94, Langham Road552 m away | 83 m² | 112 m² | +29 m² +35% | 2026 |
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| 21, Eton Avenue390 m away | 131 m² | 160 m² | +29 m² +22% | 2025 |
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| 3, Stratford Avenue54 m away | 87 m² | 116 m² | +29 m² +33% | 2016 |
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| 33, Kensington Road852 m away | 155 m² | 184 m² | +29 m² +19% | 2016 |
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| 11, Keble Avenue424 m away | 126 m² | 155 m² | +29 m² +23% | 2015 |
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| 12, Honeywell Lane296 m away | 83 m² | 111 m² | +28 m² +34% | 2020 |
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| 30, Marion Street251 m away | 93 m² | 121 m² | +28 m² +30% | 2016 |
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| 1, Sidlaw Close374 m away | 100 m² | 128 m² | +28 m² +28% | 2016 |
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| 233, Windsor Road521 m away | 117 m² | 145 m² | +28 m² +24% | 2015 |
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| 46, Gainsborough Avenue675 m away | 84 m² | 112 m² | +28 m² +33% | 2015 |
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| 7, Clydesdale Street321 m away | 76 m² | 104 m² | +28 m² +37% | 2014 |
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| 84, Burlington Avenue484 m away | 92 m² | 120 m² | +28 m² +30% | 2014 |
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| 1, Camberwell Street575 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 124, Belgrave Road650 m away | 142 m² | 170 m² | +28 m² +20% | 2014 |
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| 48, Wellington Road951 m away | 63 m² | 91 m² | +28 m² +44% | 2014 |
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| 27, Hollins Road170 m away | 67 m² | 94 m² | +27 m² +40% | 2025 |
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| 18, Alvingham Avenue224 m away | 108 m² | 135 m² | +27 m² +25% | 2024 |
|---|
| 21, Oriel Avenue343 m away | 83 m² | 110 m² | +27 m² +33% | 2016 |
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| 268, Lee Street709 m away | 118 m² | 145 m² | +27 m² +23% | 2016 |
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| 266, Copster Hill Road206 m away | 79 m² | 106 m² | +27 m² +34% | 2015 |
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| 26, Eton Avenue390 m away | 81 m² | 108 m² | +27 m² +33% | 2015 |
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| 45, Crete Street448 m away | 129 m² | 156 m² | +27 m² +21% | 2015 |
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| 9, Brae Side806 m away | 110 m² | 137 m² | +27 m² +25% | 2015 |
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| 29, Wallace Street407 m away | 72 m² | 99 m² | +27 m² +38% | 2014 |
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| 5, College Road551 m away | 88 m² | 115 m² | +27 m² +31% | 2014 |
|---|
| 61, Meldrum Street626 m away | 105 m² | 132 m² | +27 m² +26% | 2013 |
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| 5, Falmouth Street357 m away | 93 m² | 119 m² | +26 m² +28% | 2024 |
|---|
| 202, Belgrave Road650 m away | 148 m² | 174 m² | +26 m² +18% | 2016 |
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| 86, Copster Hill Road426 m away | 67 m² | 93 m² | +26 m² +39% | 2014 |
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| 82, Villa Road533 m away | 91 m² | 117 m² | +26 m² +29% | 2014 |
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| 1, Kennedy Street755 m away | 65 m² | 91 m² | +26 m² +40% | 2014 |
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| 28, Honeywell Lane296 m away | 51 m² | 76 m² | +25 m² +49% | 2025 |
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| 16, Bellfield Avenue411 m away | 64 m² | 89 m² | +25 m² +39% | 2022 |
|---|
| 2, Belgrave Road726 m away | 84 m² | 109 m² | +25 m² +30% | 2015 |
|---|
| 38, Villa Road383 m away | 71 m² | 96 m² | +25 m² +35% | 2014 |
|---|
| 101, Gainsborough Avenue508 m away | 83 m² | 108 m² | +25 m² +30% | 2014 |
|---|
| 300, Lee Street630 m away | 78 m² | 103 m² | +25 m² +32% | 2014 |
|---|
| 49, Fir Tree Avenue802 m away | 72 m² | 97 m² | +25 m² +35% | 2013 |
|---|
| 284, Lee Street709 m away | 101 m² | 125 m² | +24 m² +24% | 2022 |
|---|
| 101, Villa Road533 m away | 77 m² | 101 m² | +24 m² +31% | 2021 |
|---|
| 280, Lee Street709 m away | 87 m² | 111 m² | +24 m² +28% | 2016 |
|---|
| 282, Lee Street709 m away | 89 m² | 113 m² | +24 m² +27% | 2016 |
|---|
| 2, Enfield Avenue90 m away | 75 m² | 99 m² | +24 m² +32% | 2015 |
|---|
| 19, Crete Street448 m away | 84 m² | 108 m² | +24 m² +29% | 2015 |
|---|
| 7, Southway810 m away | 93 m² | 117 m² | +24 m² +26% | 2015 |
|---|
| 191, Grange Avenue914 m away | 107 m² | 131 m² | +24 m² +22% | 2015 |
|---|
| 179, Belgrave Road754 m away | 158 m² | 182 m² | +24 m² +15% | 2014 |
|---|
| 141, Windsor Road827 m away | 153 m² | 177 m² | +24 m² +16% | 2014 |
|---|
| 12, Link Lane581 m away | 96 m² | 119 m² | +23 m² +24% | 2024 |
|---|
| 51, Honeywell Lane296 m away | 70 m² | 93 m² | +23 m² +33% | 2023 |
|---|
| 28, Ralstone Avenue502 m away | 68 m² | 91 m² | +23 m² +34% | 2023 |
|---|
| 153, Hollins Road214 m away | 66 m² | 89 m² | +23 m² +35% | 2019 |
|---|
| 76, Crete Street539 m away | 98 m² | 121 m² | +23 m² +23% | 2016 |
|---|
| 3, Alton Street275 m away | 67 m² | 90 m² | +23 m² +34% | 2015 |
|---|
| 41, Crete Street448 m away | 80 m² | 103 m² | +23 m² +29% | 2015 |
|---|
| 7, Forest Street387 m away | 71 m² | 93 m² | +22 m² +31% | 2025 |
|---|
| 7, Manley Road612 m away | 73 m² | 95 m² | +22 m² +30% | 2019 |
|---|
| 16, Lorne Street409 m away | 77 m² | 99 m² | +22 m² +29% | 2016 |
|---|
| 44, Harrow Avenue508 m away | 78 m² | 100 m² | +22 m² +28% | 2016 |
|---|
| 10, Meadow Lane627 m away | 82 m² | 104 m² | +22 m² +27% | 2015 |
|---|
| 31, Crete Street448 m away | 98 m² | 120 m² | +22 m² +22% | 2014 |
|---|
| 12, Eton Avenue507 m away | 118 m² | 140 m² | +22 m² +19% | 2014 |
|---|
| 79, Crete Street539 m away | 96 m² | 118 m² | +22 m² +23% | 2014 |
|---|
| 74, Burlington Avenue626 m away | 82 m² | 104 m² | +22 m² +27% | 2014 |
|---|
| 44, Howgill Crescent286 m away | 106 m² | 127 m² | +21 m² +20% | 2026 |
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