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 B17 9EW
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 |
|---|---|---|---|---|
| 3, Westfield Road921 m away | 151 m² | 316 m² | +165 m² +109% | 2023 |
| 40, Gillhurst Road291 m away | 222 m² | 384 m² | +162 m² +73% | 2010 |
| 30, Gilmorton Close365 m away | 164 m² | 322 m² | +158 m² +96% | 2025 |
| 74, Westfield Road791 m away | 182 m² | 329 m² | +147 m² +81% | 2024 |
| 25, Elm Tree Road600 m away | 177 m² | 311 m² | +134 m² +76% | 2020 |
| 165, Ravenhurst Road146 m away | 117 m² | 249 m² | +132 m² +113% | 2018 |
| 18, Ellesboro Road492 m away | 195 m² | 325 m² | +130 m² +67% | 2025 |
| 66, Hamilton Avenue723 m away | 230 m² | 360 m² | +130 m² +57% | 2020 |
| 30, Ellesboro Road492 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.
| 108 m² |
| 228 m² |
| +120 m² +111% |
| 2022 |
| 12, Croftdown Road679 m away | 219 m² | 332 m² | +113 m² +52% | 2023 |
|---|
| 21, Elm Tree Road600 m away | 160 m² | 273 m² | +113 m² +71% | 2019 |
|---|
| 7, Antringham Gardens877 m away | 130 m² | 243 m² | +113 m² +87% | 2016 |
|---|
| 62, Croftdown Road949 m away | 112 m² | 223 m² | +111 m² +99% | 2021 |
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| 19, Gilmorton Close365 m away | 107 m² | 213 m² | +106 m² +99% | 2023 |
|---|
| 16, Albany Road679 m away | 95 m² | 197 m² | +102 m² +107% | 2021 |
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| 94, Croftdown Road949 m away | 107 m² | 208 m² | +101 m² +94% | 2018 |
|---|
| 10, Antringham Gardens877 m away | 147 m² | 248 m² | +101 m² +69% | 2017 |
|---|
| 183, Lordswood Road480 m away | 158 m² | 254 m² | +96 m² +61% | 2021 |
|---|
| 20, Ellesboro Road492 m away | 95 m² | 187 m² | +92 m² +97% | 2026 |
|---|
| 164, Wentworth Road544 m away | 112 m² | 204 m² | +92 m² +82% | 2012 |
|---|
| 33, Gilmorton Close365 m away | 146 m² | 237 m² | +91 m² +62% | 2017 |
|---|
| 80, Greenfield Road837 m away | 77 m² | 167 m² | +90 m² +117% | 2014 |
|---|
| 168, Lordswood Road655 m away | 285 m² | 369 m² | +84 m² +29% | 2022 |
|---|
| 5, St Peters Road864 m away | 83 m² | 167 m² | +84 m² +101% | 2020 |
|---|
| 54, Westfield Road791 m away | 463 m² | 546 m² | +83 m² +18% | 2016 |
|---|
| 111, Greenfield Road969 m away | 87 m² | 170 m² | +83 m² +95% | 2008 |
|---|
| 76, Ravenhurst Road400 m away | 96 m² | 174 m² | +78 m² +81% | 2015 |
|---|
| 2, Park Hill Road464 m away | 184 m² | 260 m² | +76 m² +41% | 2019 |
|---|
| 19, Bull Street922 m away | 91 m² | 167 m² | +76 m² +84% | 2017 |
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| 184, War Lane987 m away | 79 m² | 154 m² | +75 m² +95% | 2025 |
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| 151, Court Oak Road863 m away | 80 m² | 153 m² | +73 m² +91% | 2023 |
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| 25, Knightlow Road698 m away | 126 m² | 198 m² | +72 m² +57% | 2020 |
|---|
| 1b, Blakeney Avenue803 m away | 195 m² | 267 m² | +72 m² +37% | 2020 |
|---|
| 100, War Lane806 m away | 71 m² | 142 m² | +71 m² +100% | 2025 |
|---|
| 11, Antringham Gardens877 m away | 147 m² | 216 m² | +69 m² +47% | 2019 |
|---|
| 8, Don Close991 m away | 114 m² | 182 m² | +68 m² +60% | 2020 |
|---|
| 45, Lonsdale Road421 m away | 158 m² | 225 m² | +67 m² +42% | 2026 |
|---|
| 36, Station Road617 m away | 129 m² | 194 m² | +65 m² +50% | 2021 |
|---|
| 18, Nursery Road965 m away | 75 m² | 140 m² | +65 m² +87% | 2017 |
|---|
| 20, Hermitage Road962 m away | 326 m² | 387 m² | +61 m² +19% | 2023 |
|---|
| 194, Ravenhurst Road190 m away | 140 m² | 201 m² | +61 m² +44% | 2018 |
|---|
| 3, Rose Road649 m away | 96 m² | 155 m² | +59 m² +61% | 2020 |
|---|
| 46, Park Hill Road503 m away | 189 m² | 245 m² | +56 m² +30% | 2025 |
|---|
| 5, Woodbourne Road847 m away | 274 m² | 330 m² | +56 m² +20% | 2023 |
|---|
| 99, Station Road649 m away | 91 m² | 147 m² | +56 m² +62% | 2019 |
|---|
| 95, Knightlow Road521 m away | 126 m² | 181 m² | +55 m² +44% | 2026 |
|---|
| 166, Park Hill Road721 m away | 133 m² | 188 m² | +55 m² +41% | 2026 |
|---|
| 15, Margaret Grove347 m away | 90 m² | 145 m² | +55 m² +61% | 2025 |
|---|
| 27, Wentworth Park Avenue404 m away | 85 m² | 140 m² | +55 m² +65% | 2025 |
|---|
| 19, Euan Close714 m away | 170 m² | 224 m² | +54 m² +32% | 2022 |
|---|
| 4, Oaklands Avenue804 m away | 65 m² | 119 m² | +54 m² +83% | 2022 |
|---|
| 54, Pereira Road295 m away | 120 m² | 173 m² | +53 m² +44% | 2024 |
|---|
| 8, Antringham Gardens877 m away | 166 m² | 219 m² | +53 m² +32% | 2023 |
|---|
| 5, Forest Drive604 m away | 56 m² | 109 m² | +53 m² +95% | 2020 |
|---|
| 40, High Brow35 m away | 97 m² | 149 m² | +52 m² +54% | 2020 |
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| 16, Park Hill Road464 m away | 99 m² | 150 m² | +51 m² +52% | 2016 |
|---|
| 22, Serpentine Road495 m away | 63 m² | 113 m² | +50 m² +79% | 2021 |
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| 120, Station Road650 m away | 55 m² | 104 m² | +49 m² +89% | 2022 |
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| 53, Station Road643 m away | 89 m² | 138 m² | +49 m² +55% | 2021 |
|---|
| 32, Rose Road676 m away | 97 m² | 145 m² | +48 m² +49% | 2018 |
|---|
| 67, Station Road643 m away | 51 m² | 99 m² | +48 m² +94% | 2012 |
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| 50, Wentworth Park Avenue404 m away | 103 m² | 150 m² | +47 m² +46% | 2024 |
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| 153, Lordswood Road480 m away | 123 m² | 170 m² | +47 m² +38% | 2022 |
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| 155, Knightlow Road454 m away | 115 m² | 162 m² | +47 m² +41% | 2019 |
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| 55, Wood Lane688 m away | 90 m² | 136 m² | +46 m² +51% | 2025 |
|---|
| 110, Knightlow Road516 m away | 128 m² | 174 m² | +46 m² +36% | 2022 |
|---|
| 237, High Street715 m away | 67 m² | 113 m² | +46 m² +69% | 2022 |
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| 38, Grosvenor Road750 m away | 96 m² | 142 m² | +46 m² +48% | 2022 |
|---|
| 38, Rose Road676 m away | 98 m² | 144 m² | +46 m² +47% | 2020 |
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| 47, War Lane702 m away | 76 m² | 122 m² | +46 m² +61% | 2020 |
|---|
| 33, Park Hill Road503 m away | 72 m² | 118 m² | +46 m² +64% | 2018 |
|---|
| 9, Antringham Gardens877 m away | 138 m² | 184 m² | +46 m² +33% | 2016 |
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| 30, York Street951 m away | 111 m² | 155 m² | +44 m² +40% | 2016 |
|---|
| 48, High Brow35 m away | 103 m² | 146 m² | +43 m² +42% | 2026 |
|---|
| 150a, Wentworth Road372 m away | 93 m² | 136 m² | +43 m² +46% | 2026 |
|---|
| 104, Greenfield Road911 m away | 131 m² | 174 m² | +43 m² +33% | 2022 |
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| 138, Greenfield Road999 m away | 149 m² | 192 m² | +43 m² +29% | 2022 |
|---|
| 25, Carless Avenue283 m away | 84 m² | 127 m² | +43 m² +51% | 2021 |
|---|
| 52, Gillhurst Road291 m away | 159 m² | 201 m² | +42 m² +26% | 2025 |
|---|
| 36, Lordswood Square471 m away | 48 m² | 90 m² | +42 m² +88% | 2013 |
|---|
| 18, High Brow35 m away | 101 m² | 143 m² | +42 m² +42% | 2012 |
|---|
| 102, Wentworth Road261 m away | 144 m² | 185 m² | +41 m² +28% | 2025 |
|---|
| 20, Wentworth Park Avenue404 m away | 78 m² | 119 m² | +41 m² +53% | 2023 |
|---|
| 95, Wood Lane688 m away | 134 m² | 175 m² | +41 m² +31% | 2023 |
|---|
| 9, Ravenhurst Road517 m away | 107 m² | 148 m² | +41 m² +38% | 2022 |
|---|
| 8, Regent Road705 m away | 79 m² | 120 m² | +41 m² +52% | 2019 |
|---|
| 24, Bull Street922 m away | 109 m² | 150 m² | +41 m² +38% | 2015 |
|---|
| 59, Ravenhurst Road517 m away | 85 m² | 126 m² | +41 m² +48% | 2013 |
|---|
| 41, Wentworth Road457 m away | 88 m² | 128 m² | +40 m² +45% | 2025 |
|---|
| 11, Ravenhurst Road517 m away | 110 m² | 150 m² | +40 m² +36% | 2023 |
|---|
| 5, St Johns Road813 m away | 111 m² | 151 m² | +40 m² +36% | 2014 |
|---|
| 9, Margaret Grove347 m away | 75 m² | 115 m² | +40 m² +53% | 2012 |
|---|
| 3, Margaret Road886 m away | 45 m² | 85 m² | +40 m² +89% | 2008 |
|---|
| 23, Croftdown Road704 m away | 191 m² | 230 m² | +39 m² +20% | 2024 |
|---|
| 28, Oak Close787 m away | 54 m² | 93 m² | +39 m² +72% | 2010 |
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| 215, Lordswood Road596 m away | 145 m² | 183 m² | +38 m² +26% | 2022 |
|---|
| 13, Margaret Grove347 m away | 78 m² | 116 m² | +38 m² +49% | 2019 |
|---|
| 69, Station Road643 m away | 91 m² | 129 m² | +38 m² +42% | 2016 |
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| 176, Park Hill Road721 m away | 122 m² | 160 m² | +38 m² +31% | 2014 |
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| 24, Milford Road788 m away | 211 m² | 248 m² | +37 m² +18% | 2026 |
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| 28, Clarence Road839 m away | 95 m² | 132 m² | +37 m² +39% | 2026 |
|---|
| 14, West Pathway261 m away | 59 m² | 96 m² | +37 m² +63% | 2022 |
|---|
| 7, Margaret Road886 m away | 130 m² | 167 m² | +37 m² +28% | 2022 |
|---|
| 48, Grosvenor Road750 m away | 104 m² | 141 m² | +37 m² +36% | 2018 |
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| 23, Earls Court Road863 m away | 77 m² | 114 m² | +37 m² +48% | 2014 |
|---|
| 15, Harborne Park Road727 m away | 143 m² | 180 m² | +37 m² +26% | 2012 |
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| 69, War Lane702 m away | 59 m² | 95 m² | +36 m² +61% | 2026 |
|---|
| 5, Wentworth Road550 m away | 103 m² | 139 m² | +36 m² +35% | 2025 |
|---|
| 188, War Lane987 m away | 93 m² | 129 m² | +36 m² +39% | 2020 |
|---|
| 75, Nursery Road896 m away | 88 m² | 124 m² | +36 m² +41% | 2019 |
|---|
| 5, West Pathway261 m away | 29 m² | 64 m² | +35 m² +121% | 2020 |
|---|
| 2j, Greenfield Road736 m away | 138 m² | 173 m² | +35 m² +25% | 2020 |
|---|
| 18, Park Hill Road464 m away | 220 m² | 254 m² | +34 m² +15% | 2024 |
|---|
| 15a, Station Road787 m away | 86 m² | 120 m² | +34 m² +40% | 2022 |
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| 6, Park Edge160 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 23, Leigham Drive966 m away | 90 m² | 123 m² | +33 m² +37% | 2025 |
|---|
| 4, Harbourne Bell Tower, 41a, War Lane702 m away | 116 m² | 149 m² | +33 m² +28% | 2022 |
|---|
| Flat 16, Lingfield Court, 60, High Street982 m away | 54 m² | 86 m² | +32 m² +59% | 2021 |
|---|
| 12, Margaret Grove489 m away | 52 m² | 84 m² | +32 m² +62% | 2019 |
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| 104, Grosvenor Road750 m away | 66 m² | 98 m² | +32 m² +48% | 2016 |
|---|
| 50, Carless Avenue275 m away | 100 m² | 132 m² | +32 m² +32% | 2014 |
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| 65, War Lane702 m away | 60 m² | 91 m² | +31 m² +52% | 2025 |
|---|
| 92, Lordswood Road497 m away | 118 m² | 149 m² | +31 m² +26% | 2024 |
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| 7, Carless Avenue105 m away | 104 m² | 135 m² | +31 m² +30% | 2023 |
|---|
| 88, Station Road609 m away | 143 m² | 174 m² | +31 m² +22% | 2022 |
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| 67, Wood Lane688 m away | 85 m² | 116 m² | +31 m² +36% | 2021 |
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| 26, Margaret Grove489 m away | 65 m² | 96 m² | +31 m² +48% | 2020 |
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| Flat 7, The Regents, Woodbourne989 m away | 112 m² | 143 m² | +31 m² +28% | 2014 |
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| 51, Knightlow Road521 m away | 145 m² | 176 m² | +31 m² +21% | 2013 |
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| 15, Pereira Road396 m away | 99 m² | 130 m² | +31 m² +31% | 2011 |
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| 11, West Pathway261 m away | 87 m² | 117 m² | +30 m² +34% | 2024 |
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| 19, Clarence Road801 m away | 68 m² | 98 m² | +30 m² +44% | 2022 |
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| 79, Lordswood Road515 m away | 87 m² | 117 m² | +30 m² +34% | 2014 |
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| 45, Lordswood Road515 m away | 102 m² | 132 m² | +30 m² +29% | 2013 |
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| 8, North Pathway165 m away | 52 m² | 81 m² | +29 m² +56% | 2023 |
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| 22, Carless Avenue72 m away | 62 m² | 91 m² | +29 m² +47% | 2021 |
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| 38, Moor Pool Avenue392 m away | 84 m² | 113 m² | +29 m² +35% | 2020 |
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| 16, Ellesboro Road492 m away | 169 m² | 198 m² | +29 m² +17% | 2020 |
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| 7, Station Road787 m away | 111 m² | 140 m² | +29 m² +26% | 2019 |
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| 81, Knightlow Road521 m away | 121 m² | 150 m² | +29 m² +24% | 2018 |
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| 14, Bull Street922 m away | 106 m² | 134 m² | +28 m² +26% | 2025 |
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| 43, Moor Pool Avenue418 m away | 99 m² | 127 m² | +28 m² +28% | 2022 |
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| 178, Park Hill Road721 m away | 114 m² | 142 m² | +28 m² +25% | 2022 |
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| 132, Park Hill Road721 m away | 89 m² | 117 m² | +28 m² +31% | 2022 |
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| 126, War Lane806 m away | 87 m² | 115 m² | +28 m² +32% | 2020 |
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| 12, The Farthings989 m away | 69 m² | 97 m² | +28 m² +41% | 2017 |
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| 145, Court Oak Road863 m away | 69 m² | 97 m² | +28 m² +41% | 2016 |
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| 27, Serpentine Road547 m away | 45 m² | 73 m² | +28 m² +62% | 2015 |
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| 9, Yew Croft Avenue719 m away | 107 m² | 135 m² | +28 m² +26% | 2015 |
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| 49, Hartledon Road886 m away | 77 m² | 105 m² | +28 m² +36% | 2011 |
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| 23, Nursery Road965 m away | 116 m² | 143 m² | +27 m² +23% | 2024 |
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| 68, Carless Avenue275 m away | 108 m² | 135 m² | +27 m² +25% | 2023 |
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| 15, Crosbie Road391 m away | 134 m² | 161 m² | +27 m² +20% | 2022 |
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| 41, Earls Court Road863 m away | 77 m² | 104 m² | +27 m² +35% | 2018 |
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| 17, Bull Street922 m away | 169 m² | 196 m² | +27 m² +16% | 2015 |
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| 147, Knightlow Road454 m away | 170 m² | 197 m² | +27 m² +16% | 2011 |
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| 33, Earls Court Road863 m away | 73 m² | 99 m² | +26 m² +36% | 2026 |
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| 6b, Albany Road679 m away | 56 m² | 82 m² | +26 m² +46% | 2024 |
|---|
| 49, Moor Pool Avenue418 m away | 96 m² | 122 m² | +26 m² +27% | 2022 |
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| 1e, Lords, Lordswood Road578 m away | 115 m² | 141 m² | +26 m² +23% | 2021 |
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| 24, Gordon Road764 m away | 49 m² | 75 m² | +26 m² +53% | 2021 |
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| 49, High Street973 m away | 67 m² | 93 m² | +26 m² +39% | 2019 |
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| 144, Ravenhurst Road190 m away | 63 m² | 88 m² | +25 m² +40% | 2023 |
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| 65, Lonsdale Road421 m away | 163 m² | 188 m² | +25 m² +15% | 2023 |
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| 16, Vivian Road763 m away | 53 m² | 78 m² | +25 m² +47% | 2023 |
|---|
| 14, Beech Road855 m away | 103 m² | 128 m² | +25 m² +24% | 2020 |
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| 14, High Brow35 m away | 102 m² | 127 m² | +25 m² +25% | 2019 |
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| 24, Hermitage Road962 m away | 57 m² | 82 m² | +25 m² +44% | 2019 |
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| Flat 6, Rutland, 50, Barons Close690 m away | 56 m² | 81 m² | +25 m² +45% | 2017 |
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| 92, Wentworth Road261 m away | 81 m² | 106 m² | +25 m² +31% | 2016 |
|---|
| 225, Lordswood Road596 m away | 157 m² | 182 m² | +25 m² +16% | 2016 |
|---|
| 72, Gordon Road764 m away | 97 m² | 122 m² | +25 m² +26% | 2016 |
|---|
| 36, Moor Pool Avenue392 m away | 83 m² | 108 m² | +25 m² +30% | 2012 |
|---|
| 5, Winterbourne Lane340 m away | 138 m² | 162 m² | +24 m² +17% | 2024 |
|---|
| 53, Harborne Park Road727 m away | 102 m² | 126 m² | +24 m² +24% | 2024 |
|---|
| 19, Grosvenor Road782 m away | 102 m² | 126 m² | +24 m² +24% | 2020 |
|---|
| 106, Knightlow Road516 m away | 99 m² | 123 m² | +24 m² +24% | 2016 |
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| 23, Grays Road940 m away | 70 m² | 93 m² | +23 m² +33% | 2017 |
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| 34, Regent Road705 m away | 87 m² | 110 m² | +23 m² +26% | 2016 |
|---|
| 27, Crosbie Road391 m away | 127 m² | 149 m² | +22 m² +17% | 2026 |
|---|
| 37, Carless Avenue283 m away | 100 m² | 122 m² | +22 m² +22% | 2025 |
|---|
| 71, Park Hill Road547 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
|---|
| 7, Harbourne Bell Tower, 41a, War Lane702 m away | 125 m² | 147 m² | +22 m² +18% | 2022 |
|---|
| Flat 28, West Point, Hermitage Road938 m away | 56 m² | 78 m² | +22 m² +39% | 2021 |
|---|
| 75, Wood Lane688 m away | 91 m² | 113 m² | +22 m² +24% | 2020 |
|---|
| 7, Albany Road679 m away | 132 m² | 154 m² | +22 m² +17% | 2019 |
|---|
| 12, West Pathway261 m away | 76 m² | 97 m² | +21 m² +28% | 2025 |
|---|
| Flat 6, Arundel Court, 52, Barons Close690 m away | 59 m² | 80 m² | +21 m² +36% | 2020 |
|---|
| 93, Park Hill Road547 m away | 112 m² | 133 m² | +21 m² +19% | 2019 |
|---|
| 26, Greenfield Road837 m away | 56 m² | 77 m² | +21 m² +38% | 2018 |
|---|
| 124, Greenfield Road999 m away | 47 m² | 68 m² | +21 m² +45% | 2010 |
|---|
| 3, Harbourne Bell Tower, 41a, War Lane702 m away | 120 m² | 140 m² | +20 m² +17% | 2023 |
|---|
| 2p, Greenfield Road736 m away | 101 m² | 121 m² | +20 m² +20% | 2023 |
|---|
| 125a, Park Hill Road547 m away | 65 m² | 85 m² | +20 m² +31% | 2022 |
|---|
| 6a, North Road928 m away | 76 m² | 96 m² | +20 m² +26% | 2022 |
|---|
| 167, Ravenhurst Road146 m away | 114 m² | 134 m² | +20 m² +18% | 2016 |
|---|
| 11, White Field Avenue958 m away | 72 m² | 92 m² | +20 m² +28% | 2016 |
|---|
| 47, Clarence Road801 m away | 109 m² | 129 m² | +20 m² +18% | 2015 |
|---|
| 44, Bull Street922 m away | 118 m² | 137 m² | +19 m² +16% | 2026 |
|---|
| 51, Hampton Court Road953 m away | 75 m² | 94 m² | +19 m² +25% | 2025 |
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