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 B20 1AT
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 |
|---|---|---|---|---|
| 127, Church Lane952 m away | 255 m² | 468 m² | +213 m² +84% | 2016 |
| 39, Englestede Close636 m away | 180 m² | 377 m² | +197 m² +109% | 2026 |
| 87, Handsworth Wood Road872 m away | 598 m² | 764 m² | +166 m² +28% | 2026 |
| 3, Philip Victor Road921 m away | 150 m² | 315 m² | +165 m² +110% | 2022 |
| 31, St Christophers656 m away | 117 m² | 262 m² | +145 m² +124% | 2020 |
| 77, Underwood Road827 m away | 135 m² | 276 m² | +141 m² +104% | 2018 |
| 1, St Davids Grove726 m away | 133 m² | 265 m² | +132 m² +99% | 2016 |
| 68, Handsworth Wood Road907 m away | 210 m² | 331 m² | +121 m² +58% | 2025 |
| 98, Hamstead Hall Avenue999 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.
| 99 m² |
| 213 m² |
| +114 m² +115% |
| 2022 |
| 3, Somerset Road551 m away | 201 m² | 308 m² | +107 m² +53% | 2025 |
|---|
| 91, College Road339 m away | 113 m² | 219 m² | +106 m² +94% | 2026 |
|---|
| 56, Craythorne Avenue773 m away | 89 m² | 193 m² | +104 m² +117% | 2023 |
|---|
| 132, Farnham Road698 m away | 86 m² | 188 m² | +102 m² +119% | 2023 |
|---|
| 54, Underwood Road818 m away | 101 m² | 200 m² | +99 m² +98% | 2021 |
|---|
| 22, Devonshire Road645 m away | 174 m² | 269 m² | +95 m² +55% | 2016 |
|---|
| 22, Woodcroft Avenue85 m away | 92 m² | 181 m² | +89 m² +97% | 2020 |
|---|
| 10, Ireton Road963 m away | 96 m² | 185 m² | +89 m² +93% | 2010 |
|---|
| 184, Antrobus Road997 m away | 169 m² | 253 m² | +84 m² +50% | 2016 |
|---|
| 6, Cornwall Road481 m away | 89 m² | 169 m² | +80 m² +90% | 2015 |
|---|
| 65, West Avenue830 m away | 95 m² | 173 m² | +78 m² +82% | 2016 |
|---|
| 1, Grestone Avenue116 m away | 125 m² | 200 m² | +75 m² +60% | 2013 |
|---|
| 25, Englestede Close636 m away | 199 m² | 270 m² | +71 m² +36% | 2015 |
|---|
| 11, Brosil Avenue253 m away | 101 m² | 171 m² | +70 m² +69% | 2016 |
|---|
| 14, Beechglade432 m away | 91 m² | 159 m² | +68 m² +75% | 2019 |
|---|
| 100, West Avenue830 m away | 109 m² | 173 m² | +64 m² +59% | 2021 |
|---|
| 90, Handsworth Wood Road636 m away | 268 m² | 332 m² | +64 m² +24% | 2016 |
|---|
| 69, Laurel Road925 m away | 247 m² | 308 m² | +61 m² +25% | 2025 |
|---|
| 124, Handsworth Wood Road487 m away | 207 m² | 266 m² | +59 m² +29% | 2020 |
|---|
| 70, Wheaton Vale91 m away | 115 m² | 173 m² | +58 m² +50% | 2021 |
|---|
| 58, Hamstead Hill676 m away | 121 m² | 179 m² | +58 m² +48% | 2015 |
|---|
| 54, Philip Victor Road946 m away | 251 m² | 308 m² | +57 m² +23% | 2025 |
|---|
| 18, St Annes Close737 m away | 80 m² | 136 m² | +56 m² +70% | 2020 |
|---|
| 21, Leopold Avenue785 m away | 97 m² | 152 m² | +55 m² +57% | 2025 |
|---|
| 48, Newcombe Road792 m away | 95 m² | 150 m² | +55 m² +58% | 2024 |
|---|
| 69, Craythorne Avenue845 m away | 84 m² | 137 m² | +53 m² +63% | 2025 |
|---|
| 52, Handsworth Wood Road907 m away | 254 m² | 307 m² | +53 m² +21% | 2014 |
|---|
| 242, Sandwell Road937 m away | 140 m² | 192 m² | +52 m² +37% | 2016 |
|---|
| 99, Grestone Avenue253 m away | 107 m² | 158 m² | +51 m² +48% | 2020 |
|---|
| 278, Oxhill Road737 m away | 34 m² | 85 m² | +51 m² +150% | 2019 |
|---|
| 27, Camplin Crescent819 m away | 100 m² | 150 m² | +50 m² +50% | 2020 |
|---|
| 56, Wheaton Vale91 m away | 82 m² | 131 m² | +49 m² +60% | 2026 |
|---|
| 34, Camplin Crescent819 m away | 89 m² | 138 m² | +49 m² +55% | 2015 |
|---|
| 14, The Grange780 m away | 166 m² | 213 m² | +47 m² +28% | 2023 |
|---|
| 50, Stockwell Road416 m away | 82 m² | 129 m² | +47 m² +57% | 2015 |
|---|
| 207, Uplands Road842 m away | 82 m² | 127 m² | +45 m² +55% | 2020 |
|---|
| 92, Newcombe Road792 m away | 65 m² | 109 m² | +44 m² +68% | 2025 |
|---|
| 27, Sunningdale Close567 m away | 125 m² | 169 m² | +44 m² +35% | 2015 |
|---|
| 16, Sunningdale Close567 m away | 50 m² | 94 m² | +44 m² +88% | 2014 |
|---|
| 10, Brosil Avenue253 m away | 122 m² | 166 m² | +44 m² +36% | 2013 |
|---|
| 146, Somerset Road549 m away | 80 m² | 123 m² | +43 m² +54% | 2025 |
|---|
| 63, Uplands Road760 m away | 73 m² | 116 m² | +43 m² +59% | 2024 |
|---|
| 57, Uplands Road760 m away | 70 m² | 113 m² | +43 m² +61% | 2023 |
|---|
| 21, Sunningdale Close567 m away | 121 m² | 164 m² | +43 m² +36% | 2016 |
|---|
| 58, Butlers Road841 m away | 150 m² | 193 m² | +43 m² +29% | 2015 |
|---|
| 55, Mervyn Road864 m away | 103 m² | 146 m² | +43 m² +42% | 2015 |
|---|
| 32, Camplin Crescent819 m away | 82 m² | 123 m² | +41 m² +50% | 2025 |
|---|
| 52, Greenridge Road866 m away | 111 m² | 152 m² | +41 m² +37% | 2014 |
|---|
| 121, Farnham Road737 m away | 70 m² | 109 m² | +39 m² +56% | 2026 |
|---|
| 26, Larch Avenue584 m away | 97 m² | 136 m² | +39 m² +40% | 2014 |
|---|
| 111, Cranbrook Road991 m away | 126 m² | 165 m² | +39 m² +31% | 2013 |
|---|
| 9, The Grange780 m away | 156 m² | 194 m² | +38 m² +24% | 2025 |
|---|
| 5, St Christophers656 m away | 196 m² | 234 m² | +38 m² +19% | 2024 |
|---|
| 4, Bewlys Avenue724 m away | 69 m² | 107 m² | +38 m² +55% | 2024 |
|---|
| 16, Newcombe Road792 m away | 88 m² | 126 m² | +38 m² +43% | 2023 |
|---|
| 12, Avenue Road712 m away | 77 m² | 114 m² | +37 m² +48% | 2022 |
|---|
| 31, Devonshire Road700 m away | 180 m² | 216 m² | +36 m² +20% | 2020 |
|---|
| 18, Sunningdale Close567 m away | 79 m² | 115 m² | +36 m² +46% | 2015 |
|---|
| 197, Oxhill Road605 m away | 83 m² | 119 m² | +36 m² +43% | 2015 |
|---|
| 10, The Slieve693 m away | 177 m² | 213 m² | +36 m² +20% | 2015 |
|---|
| 28a, Hamstead Hill482 m away | 118 m² | 154 m² | +36 m² +31% | 2012 |
|---|
| 67, Grestone Avenue141 m away | 99 m² | 134 m² | +35 m² +35% | 2017 |
|---|
| 15, Wilks Green858 m away | 76 m² | 110 m² | +34 m² +45% | 2024 |
|---|
| 4, The Slieve693 m away | 134 m² | 168 m² | +34 m² +25% | 2018 |
|---|
| 7, Aylesford Road984 m away | 110 m² | 144 m² | +34 m² +31% | 2016 |
|---|
| 15, Earlswood Court854 m away | 87 m² | 121 m² | +34 m² +39% | 2015 |
|---|
| 203, Oxhill Road605 m away | 78 m² | 111 m² | +33 m² +42% | 2025 |
|---|
| 58, Coopers Road953 m away | 80 m² | 113 m² | +33 m² +41% | 2025 |
|---|
| 5, High Trees306 m away | 52 m² | 85 m² | +33 m² +63% | 2022 |
|---|
| 95, Devonshire Road583 m away | 195 m² | 228 m² | +33 m² +17% | 2017 |
|---|
| 145, Somerset Road566 m away | 92 m² | 124 m² | +32 m² +35% | 2017 |
|---|
| 18, Vernon Avenue696 m away | 163 m² | 195 m² | +32 m² +20% | 2017 |
|---|
| 44, Coopers Road953 m away | 78 m² | 110 m² | +32 m² +41% | 2016 |
|---|
| 15, Aylesford Road984 m away | 90 m² | 121 m² | +31 m² +34% | 2026 |
|---|
| 152, Newcombe Road887 m away | 107 m² | 138 m² | +31 m² +29% | 2024 |
|---|
| 5, Richmond Close953 m away | 40 m² | 71 m² | +31 m² +78% | 2023 |
|---|
| Flat 3, 46, Handsworth Wood Road907 m away | 47 m² | 78 m² | +31 m² +66% | 2019 |
|---|
| 34, West Avenue850 m away | 119 m² | 149 m² | +30 m² +25% | 2023 |
|---|
| 3, Antrobus Road988 m away | 82 m² | 112 m² | +30 m² +37% | 2015 |
|---|
| 254, Sandwell Road937 m away | 77 m² | 107 m² | +30 m² +39% | 2014 |
|---|
| 4, Ebley Road980 m away | 98 m² | 127 m² | +29 m² +30% | 2025 |
|---|
| 40, Selborne Road974 m away | 115 m² | 144 m² | +29 m² +25% | 2021 |
|---|
| 58, Somerset Road497 m away | 41 m² | 70 m² | +29 m² +71% | 2014 |
|---|
| 232, Newcombe Road887 m away | 65 m² | 93 m² | +28 m² +43% | 2026 |
|---|
| 25, Medcroft Avenue482 m away | 95 m² | 123 m² | +28 m² +29% | 2022 |
|---|
| 131, Millfield Road870 m away | 94 m² | 122 m² | +28 m² +30% | 2022 |
|---|
| 95, Hamstead Hill942 m away | 148 m² | 175 m² | +27 m² +18% | 2024 |
|---|
| 35, West Avenue850 m away | 82 m² | 109 m² | +27 m² +33% | 2023 |
|---|
| Flat 6, 46, Handsworth Wood Road907 m away | 80 m² | 107 m² | +27 m² +34% | 2023 |
|---|
| 181, Oxhill Road605 m away | 62 m² | 89 m² | +27 m² +44% | 2019 |
|---|
| 148, Greenhill Road650 m away | 60 m² | 87 m² | +27 m² +45% | 2015 |
|---|
| Flat 7a, 48, Handsworth Wood Road907 m away | 37 m² | 64 m² | +27 m² +73% | 2014 |
|---|
| 57, Handsworth Wood Road872 m away | 89 m² | 115 m² | +26 m² +29% | 2025 |
|---|
| 42, Hamstead Hill482 m away | 143 m² | 169 m² | +26 m² +18% | 2016 |
|---|
| 6, Elmhurst Road790 m away | 104 m² | 130 m² | +26 m² +25% | 2016 |
|---|
| 98, Millfield Road992 m away | 72 m² | 97 m² | +25 m² +35% | 2025 |
|---|
| 32, Lloyd Road953 m away | 101 m² | 126 m² | +25 m² +25% | 2021 |
|---|
| 258, Rookery Road669 m away | 89 m² | 114 m² | +25 m² +28% | 2016 |
|---|
| 66, Newcombe Road792 m away | 88 m² | 113 m² | +25 m² +28% | 2016 |
|---|
| 6, The Slieve693 m away | 147 m² | 172 m² | +25 m² +17% | 2015 |
|---|
| 191, Oxhill Road605 m away | 68 m² | 93 m² | +25 m² +37% | 2012 |
|---|
| 60, Greenhill Road596 m away | 78 m² | 102 m² | +24 m² +31% | 2016 |
|---|
| 50, Friary Road379 m away | 101 m² | 125 m² | +24 m² +24% | 2014 |
|---|
| 6, Manway Close870 m away | 116 m² | 140 m² | +24 m² +21% | 2014 |
|---|
| 6, Farcroft Grove926 m away | 79 m² | 103 m² | +24 m² +30% | 2014 |
|---|
| 38, Aylesford Road956 m away | 74 m² | 98 m² | +24 m² +32% | 2014 |
|---|
| 163, Uplands Road842 m away | 68 m² | 91 m² | +23 m² +34% | 2024 |
|---|
| 55, West Avenue876 m away | 76 m² | 99 m² | +23 m² +30% | 2023 |
|---|
| 24, Greenridge Road866 m away | 97 m² | 120 m² | +23 m² +24% | 2015 |
|---|
| 66, Aylesford Road956 m away | 65 m² | 88 m² | +23 m² +35% | 2015 |
|---|
| 3, Elmhurst Road790 m away | 128 m² | 151 m² | +23 m² +18% | 2013 |
|---|
| 77, Cranbrook Road991 m away | 80 m² | 103 m² | +23 m² +29% | 2011 |
|---|
| 93, Greenhill Road676 m away | 77 m² | 99 m² | +22 m² +29% | 2023 |
|---|
| 79, Grestone Avenue141 m away | 93 m² | 115 m² | +22 m² +24% | 2022 |
|---|
| 308, Oxhill Road737 m away | 85 m² | 107 m² | +22 m² +26% | 2021 |
|---|
| 1, Richmond Close953 m away | 48 m² | 70 m² | +22 m² +46% | 2021 |
|---|
| 20, The Slieve693 m away | 137 m² | 159 m² | +22 m² +16% | 2018 |
|---|
| 11, Sedgley Grove672 m away | 85 m² | 107 m² | +22 m² +26% | 2017 |
|---|
| 18, Packwood Close891 m away | 54 m² | 76 m² | +22 m² +41% | 2015 |
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| 34, Uplands Road732 m away | 72 m² | 94 m² | +22 m² +31% | 2014 |
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| 109, Grestone Avenue253 m away | 91 m² | 112 m² | +21 m² +23% | 2024 |
|---|
| 11, Medcroft Avenue482 m away | 90 m² | 111 m² | +21 m² +23% | 2024 |
|---|
| 44, Selborne Road974 m away | 89 m² | 110 m² | +21 m² +24% | 2024 |
|---|
| 15, Antrobus Road988 m away | 104 m² | 125 m² | +21 m² +20% | 2020 |
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| 70, Aylesford Road956 m away | 72 m² | 93 m² | +21 m² +29% | 2016 |
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| 160, Grestone Avenue458 m away | 94 m² | 114 m² | +20 m² +21% | 2026 |
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| 101, Somerset Road566 m away | 75 m² | 95 m² | +20 m² +27% | 2025 |
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| 20, Headingley Road668 m away | 79 m² | 99 m² | +20 m² +25% | 2024 |
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| 161, Farnham Road737 m away | 83 m² | 103 m² | +20 m² +24% | 2024 |
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| 172, Newcombe Road887 m away | 82 m² | 102 m² | +20 m² +24% | 2024 |
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| 28, Craythorne Avenue773 m away | 96 m² | 116 m² | +20 m² +21% | 2020 |
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| 129, Greenhill Road676 m away | 82 m² | 102 m² | +20 m² +24% | 2019 |
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| 83, Stockwell Road404 m away | 83 m² | 103 m² | +20 m² +24% | 2016 |
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| 131, Greenhill Road676 m away | 82 m² | 102 m² | +20 m² +24% | 2015 |
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| 141, Greenhill Road676 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 222, Grove Lane772 m away | 90 m² | 110 m² | +20 m² +22% | 2014 |
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| 63, Windermere Road441 m away | 79 m² | 99 m² | +20 m² +25% | 2012 |
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| 103, Greenhill Road676 m away | 81 m² | 101 m² | +20 m² +25% | 2009 |
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| 177, Uplands Road842 m away | 66 m² | 85 m² | +19 m² +29% | 2026 |
|---|
| 41, Lloyd Road953 m away | 80 m² | 99 m² | +19 m² +24% | 2026 |
|---|
| 56, Cornwall Road459 m away | 74 m² | 93 m² | +19 m² +26% | 2025 |
|---|
| 85, Newcombe Road821 m away | 79 m² | 98 m² | +19 m² +24% | 2025 |
|---|
| 185, Rookery Road1000 m away | 54 m² | 73 m² | +19 m² +35% | 2021 |
|---|
| 102, West Avenue830 m away | 98 m² | 117 m² | +19 m² +19% | 2018 |
|---|
| 37, Windermere Road441 m away | 75 m² | 94 m² | +19 m² +25% | 2016 |
|---|
| 81, Farnham Road689 m away | 74 m² | 93 m² | +19 m² +26% | 2016 |
|---|
| 144, Millfield Road870 m away | 78 m² | 97 m² | +19 m² +24% | 2014 |
|---|
| 24, Farcroft Grove926 m away | 83 m² | 102 m² | +19 m² +23% | 2013 |
|---|
| 81, Stockwell Road404 m away | 62 m² | 81 m² | +19 m² +31% | 2012 |
|---|
| 45, Newcombe Road821 m away | 76 m² | 94 m² | +18 m² +24% | 2026 |
|---|
| 14, Brosil Avenue253 m away | 118 m² | 136 m² | +18 m² +15% | 2016 |
|---|
| 79, Headingley Road674 m away | 83 m² | 101 m² | +18 m² +22% | 2016 |
|---|
| 304, Oxhill Road737 m away | 85 m² | 103 m² | +18 m² +21% | 2016 |
|---|
| 36, Antrobus Road940 m away | 94 m² | 112 m² | +18 m² +19% | 2016 |
|---|
| 1, Avenue Road712 m away | 37 m² | 54 m² | +17 m² +46% | 2026 |
|---|
| 68, Headingley Road668 m away | 76 m² | 93 m² | +17 m² +22% | 2024 |
|---|
| 1, Ireton Road963 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
|---|
| 224, Newcombe Road887 m away | 68 m² | 85 m² | +17 m² +25% | 2022 |
|---|
| 136, Uplands Road798 m away | 60 m² | 77 m² | +17 m² +28% | 2021 |
|---|
| 50, Aylesford Road956 m away | 76 m² | 93 m² | +17 m² +22% | 2021 |
|---|
| 11, Friary Road493 m away | 73 m² | 90 m² | +17 m² +23% | 2020 |
|---|
| 23, Wheaton Vale118 m away | 80 m² | 97 m² | +17 m² +21% | 2016 |
|---|
| 9, Greenhill Road624 m away | 108 m² | 125 m² | +17 m² +16% | 2016 |
|---|
| 37, Newcombe Road821 m away | 61 m² | 78 m² | +17 m² +28% | 2014 |
|---|
| 165, Uplands Road842 m away | 69 m² | 86 m² | +17 m² +25% | 2013 |
|---|
| 59, Uplands Road760 m away | 75 m² | 92 m² | +17 m² +23% | 2010 |
|---|
| 125, Greenhill Road676 m away | 62 m² | 78 m² | +16 m² +26% | 2025 |
|---|
| 19, Cornwall Road481 m away | 75 m² | 91 m² | +16 m² +21% | 2024 |
|---|
| 195, Newcombe Road946 m away | 91 m² | 107 m² | +16 m² +18% | 2024 |
|---|
| 52, Mervyn Road864 m away | 80 m² | 96 m² | +16 m² +20% | 2023 |
|---|
| 94, Millfield Road992 m away | 69 m² | 85 m² | +16 m² +23% | 2023 |
|---|
| 174, Oxhill Road566 m away | 81 m² | 97 m² | +16 m² +20% | 2021 |
|---|
| 25, Larch Avenue584 m away | 80 m² | 96 m² | +16 m² +20% | 2021 |
|---|
| 72, Friary Road379 m away | 87 m² | 103 m² | +16 m² +18% | 2020 |
|---|
| 76, Farnham Road662 m away | 69 m² | 85 m² | +16 m² +23% | 2017 |
|---|
| 12, Newcombe Road792 m away | 93 m² | 109 m² | +16 m² +17% | 2016 |
|---|
| 82, Millfield Road992 m away | 96 m² | 112 m² | +16 m² +17% | 2016 |
|---|
| 24, Weeford Drive534 m away | 80 m² | 96 m² | +16 m² +20% | 2015 |
|---|
| 73, Headingley Road674 m away | 66 m² | 82 m² | +16 m² +24% | 2014 |
|---|
| 69, Hollycroft Road994 m away | 80 m² | 96 m² | +16 m² +20% | 2013 |
|---|
| 1, Grove Gardens701 m away | 25 m² | 40 m² | +15 m² +60% | 2025 |
|---|
| 2, Mount Pleasant Avenue829 m away | 84 m² | 99 m² | +15 m² +18% | 2025 |
|---|
| 83, Greenhill Road676 m away | 65 m² | 80 m² | +15 m² +23% | 2024 |
|---|
| 56, Aylesford Road956 m away | 70 m² | 85 m² | +15 m² +21% | 2024 |
|---|
| 52, Stockwell Road416 m away | 76 m² | 91 m² | +15 m² +20% | 2022 |
|---|
| 46, College Road545 m away | 64 m² | 79 m² | +15 m² +23% | 2016 |
|---|
| 119, Farnham Road737 m away | 76 m² | 91 m² | +15 m² +20% | 2016 |
|---|
| 99, Newcombe Road821 m away | 85 m² | 100 m² | +15 m² +18% | 2016 |
|---|
| 101, Uplands Road842 m away | 66 m² | 81 m² | +15 m² +23% | 2016 |
|---|
| 116, Farnham Road698 m away | 67 m² | 82 m² | +15 m² +22% | 2015 |
|---|
| 187, Newcombe Road946 m away | 63 m² | 78 m² | +15 m² +24% | 2012 |
|---|