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 IG11 7QY
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 |
|---|---|---|---|---|
| 45, Upney Lane965 m away | 98 m² | 224 m² | +126 m² +129% | 2014 |
| 88, Upney Lane944 m away | 94 m² | 202 m² | +108 m² +115% | 2015 |
| 38, St Erkenwald Road611 m away | 93 m² | 186 m² | +93 m² +100% | 2015 |
| 122, Salisbury Avenue552 m away | 88 m² | 179 m² | +91 m² +103% | 2019 |
| 15, Lancaster Avenue239 m away | 112 m² | 194 m² | +82 m² +73% | 2016 |
| 87, Hurstbourne Gardens710 m away | 90 m² | 171 m² | +81 m² +90% | 2026 |
| 52, Blake Avenue316 m away | 100 m² | 176 m² | +76 m² +76% | 2026 |
| 215, Charlton Crescent847 m away | 69 m² | 144 m² | +75 m² +109% | 2024 |
| 3, Cecil Avenue857 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 |
| 180 m² |
| +72 m² +67% |
| 2022 |
| 16, Melford Avenue994 m away | 83 m² | 151 m² | +68 m² +82% | 2014 |
|---|
| 109, Blake Avenue603 m away | 95 m² | 162 m² | +67 m² +71% | 2025 |
|---|
| 173, Wilmington Gardens474 m away | 85 m² | 148 m² | +63 m² +74% | 2026 |
|---|
| 20, Devon Road0 m away | 54 m² | 117 m² | +63 m² +117% | 2023 |
|---|
| 117, Salisbury Avenue538 m away | 92 m² | 155 m² | +63 m² +68% | 2021 |
|---|
| 123, Salisbury Avenue538 m away | 86 m² | 149 m² | +63 m² +73% | 2019 |
|---|
| 24, Westminster Gardens728 m away | 66 m² | 127 m² | +61 m² +92% | 2026 |
|---|
| 114, Longbridge Road914 m away | 101 m² | 162 m² | +61 m² +60% | 2026 |
|---|
| 23, Cranleigh Gardens862 m away | 130 m² | 191 m² | +61 m² +47% | 2024 |
|---|
| 213, Salisbury Avenue570 m away | 85 m² | 146 m² | +61 m² +72% | 2020 |
|---|
| 1, Essex Road354 m away | 79 m² | 139 m² | +60 m² +76% | 2021 |
|---|
| 17, Priory Road683 m away | 87 m² | 147 m² | +60 m² +69% | 2016 |
|---|
| 4, Cecil Avenue857 m away | 121 m² | 181 m² | +60 m² +50% | 2015 |
|---|
| 117, Blake Avenue603 m away | 85 m² | 144 m² | +59 m² +69% | 2024 |
|---|
| 20, Roycraft Avenue824 m away | 66 m² | 124 m² | +58 m² +88% | 2026 |
|---|
| 36, St Erkenwald Road611 m away | 61 m² | 119 m² | +58 m² +95% | 2019 |
|---|
| 46, Waverley Gardens671 m away | 41 m² | 99 m² | +58 m² +141% | 2016 |
|---|
| 21, Sherwood Gardens742 m away | 84 m² | 141 m² | +57 m² +68% | 2025 |
|---|
| 93, Bastable Avenue844 m away | 68 m² | 125 m² | +57 m² +84% | 2025 |
|---|
| 508, Ripple Road604 m away | 93 m² | 150 m² | +57 m² +61% | 2023 |
|---|
| 88, Salisbury Avenue472 m away | 90 m² | 146 m² | +56 m² +62% | 2026 |
|---|
| 84, Shirley Gardens809 m away | 86 m² | 142 m² | +56 m² +65% | 2012 |
|---|
| 48, Shirley Gardens965 m away | 125 m² | 180 m² | +55 m² +44% | 2026 |
|---|
| 118, Beccles Drive993 m away | 97 m² | 152 m² | +55 m² +57% | 2015 |
|---|
| 119, Wilmington Gardens600 m away | 83 m² | 137 m² | +54 m² +65% | 2022 |
|---|
| 71, Netherfield Gardens596 m away | 86 m² | 140 m² | +54 m² +63% | 2021 |
|---|
| 4, Dawson Avenue411 m away | 69 m² | 123 m² | +54 m² +78% | 2014 |
|---|
| 22, Netherfield Gardens747 m away | 96 m² | 149 m² | +53 m² +55% | 2024 |
|---|
| 62, Hurstbourne Gardens775 m away | 112 m² | 165 m² | +53 m² +47% | 2023 |
|---|
| 104, Salisbury Avenue472 m away | 92 m² | 145 m² | +53 m² +58% | 2022 |
|---|
| 10, Sandringham Road873 m away | 36 m² | 89 m² | +53 m² +147% | 2021 |
|---|
| 27, Cranleigh Gardens862 m away | 96 m² | 148 m² | +52 m² +54% | 2019 |
|---|
| 125a, Lambourne Road612 m away | 58 m² | 110 m² | +52 m² +90% | 2014 |
|---|
| 22, Kennedy Road229 m away | 57 m² | 108 m² | +51 m² +89% | 2013 |
|---|
| 10, Rosslyn Road645 m away | 95 m² | 145 m² | +50 m² +53% | 2020 |
|---|
| 66, Lambourne Road498 m away | 60 m² | 110 m² | +50 m² +83% | 2014 |
|---|
| 286, Howard Road310 m away | 87 m² | 136 m² | +49 m² +56% | 2024 |
|---|
| Flat 80, The Odeon, 22 - 30, Longbridge Road879 m away | 70 m² | 119 m² | +49 m² +70% | 2022 |
|---|
| Flat 514, Cutmore Ropeworks, 1, Arboretum Place857 m away | 39 m² | 88 m² | +49 m² +126% | 2014 |
|---|
| 117, Wilmington Gardens600 m away | 82 m² | 130 m² | +48 m² +59% | 2013 |
|---|
| 28, Westminster Gardens728 m away | 88 m² | 135 m² | +47 m² +53% | 2026 |
|---|
| 99, Upney Lane965 m away | 128 m² | 175 m² | +47 m² +37% | 2024 |
|---|
| 41, Priory Road683 m away | 68 m² | 114 m² | +46 m² +68% | 2015 |
|---|
| 25, Cecil Avenue803 m away | 138 m² | 183 m² | +45 m² +33% | 2015 |
|---|
| 33, Westminster Gardens728 m away | 75 m² | 119 m² | +44 m² +59% | 2024 |
|---|
| 228, Blake Avenue679 m away | 111 m² | 155 m² | +44 m² +40% | 2023 |
|---|
| 38, St Johns Road302 m away | 80 m² | 124 m² | +44 m² +55% | 2019 |
|---|
| 27, Devon Road27 m away | 71 m² | 115 m² | +44 m² +62% | 2014 |
|---|
| 27, Greatfields Road514 m away | 62 m² | 106 m² | +44 m² +71% | 2013 |
|---|
| 114, Beccles Drive993 m away | 96 m² | 139 m² | +43 m² +45% | 2022 |
|---|
| 80, Hulse Avenue673 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
|---|
| 31, Cranleigh Gardens862 m away | 217 m² | 260 m² | +43 m² +20% | 2014 |
|---|
| 74, Blake Avenue316 m away | 83 m² | 125 m² | +42 m² +51% | 2024 |
|---|
| 12, Sandringham Road963 m away | 139 m² | 181 m² | +42 m² +30% | 2023 |
|---|
| 251, Morley Road361 m away | 85 m² | 127 m² | +42 m² +49% | 2021 |
|---|
| 7, Cecil Avenue857 m away | 111 m² | 153 m² | +42 m² +38% | 2016 |
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| 60, Hurstbourne Gardens936 m away | 131 m² | 172 m² | +41 m² +31% | 2026 |
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| 36, Thorpe Road748 m away | 98 m² | 139 m² | +41 m² +42% | 2022 |
|---|
| 96, Upney Lane944 m away | 116 m² | 157 m² | +41 m² +35% | 2016 |
|---|
| 75, Cecil Avenue597 m away | 102 m² | 143 m² | +41 m² +40% | 2014 |
|---|
| Flat 611 Schrier, Ropeworks, 1, Arboretum Place853 m away | 36 m² | 77 m² | +41 m² +114% | 2014 |
|---|
| 19, Sandringham Road963 m away | 101 m² | 141 m² | +40 m² +40% | 2026 |
|---|
| 4, Melford Avenue994 m away | 112 m² | 152 m² | +40 m² +36% | 2025 |
|---|
| 39, Blake Avenue316 m away | 69 m² | 109 m² | +40 m² +58% | 2023 |
|---|
| 70, Lyndhurst Gardens864 m away | 84 m² | 124 m² | +40 m² +48% | 2021 |
|---|
| 14, Netherfield Gardens747 m away | 69 m² | 109 m² | +40 m² +58% | 2012 |
|---|
| 217, Morley Road462 m away | 56 m² | 95 m² | +39 m² +70% | 2017 |
|---|
| 21, Devon Road27 m away | 87 m² | 125 m² | +38 m² +44% | 2026 |
|---|
| 58, Meadow Road901 m away | 71 m² | 109 m² | +38 m² +54% | 2026 |
|---|
| 33a, Aldersey Gardens844 m away | 29 m² | 67 m² | +38 m² +131% | 2025 |
|---|
| 20, St Erkenwald Road611 m away | 104 m² | 142 m² | +38 m² +37% | 2024 |
|---|
| 14, Hurstbourne Gardens936 m away | 106 m² | 144 m² | +38 m² +36% | 2017 |
|---|
| 11, Eastbury Square510 m away | 86 m² | 124 m² | +38 m² +44% | 2014 |
|---|
| 47, Waverley Gardens671 m away | 71 m² | 108 m² | +37 m² +52% | 2026 |
|---|
| 168, Salisbury Avenue552 m away | 91 m² | 128 m² | +37 m² +41% | 2025 |
|---|
| 14, St Erkenwald Road611 m away | 94 m² | 131 m² | +37 m² +39% | 2025 |
|---|
| 62, Salisbury Avenue477 m away | 86 m² | 123 m² | +37 m² +43% | 2023 |
|---|
| 36, Melford Avenue994 m away | 91 m² | 128 m² | +37 m² +41% | 2023 |
|---|
| 46, Melford Avenue994 m away | 86 m² | 123 m² | +37 m² +43% | 2022 |
|---|
| 25, Suffolk Road279 m away | 66 m² | 103 m² | +37 m² +56% | 2021 |
|---|
| 4, Rosslyn Road645 m away | 48 m² | 85 m² | +37 m² +77% | 2014 |
|---|
| 104, Wilmington Gardens517 m away | 117 m² | 153 m² | +36 m² +31% | 2026 |
|---|
| 22, Rosslyn Road645 m away | 99 m² | 135 m² | +36 m² +36% | 2026 |
|---|
| 45, Bastable Avenue844 m away | 84 m² | 120 m² | +36 m² +43% | 2025 |
|---|
| 93, Lyndhurst Gardens889 m away | 84 m² | 120 m² | +36 m² +43% | 2024 |
|---|
| 56, Sisley Road343 m away | 82 m² | 118 m² | +36 m² +44% | 2023 |
|---|
| 9, Hurstbourne Gardens915 m away | 128 m² | 164 m² | +36 m² +28% | 2023 |
|---|
| 76, Eldred Road130 m away | 75 m² | 111 m² | +36 m² +48% | 2016 |
|---|
| 401, Ripple Road406 m away | 133 m² | 169 m² | +36 m² +27% | 2015 |
|---|
| 91, Wedderburn Road170 m away | 33 m² | 69 m² | +36 m² +109% | 2014 |
|---|
| 10, Sherwood Gardens742 m away | 85 m² | 120 m² | +35 m² +41% | 2026 |
|---|
| 94, Hurstbourne Gardens775 m away | 171 m² | 206 m² | +35 m² +20% | 2025 |
|---|
| 807, Lemonade Building, 3, Arboretum Place858 m away | 39 m² | 74 m² | +35 m² +90% | 2021 |
|---|
| 3, John Burns Drive242 m away | 55 m² | 90 m² | +35 m² +64% | 2014 |
|---|
| 59, Movers Lane205 m away | 71 m² | 106 m² | +35 m² +49% | 2010 |
|---|
| 22, Charlton Crescent664 m away | 109 m² | 143 m² | +34 m² +31% | 2026 |
|---|
| 73, Essex Road354 m away | 95 m² | 129 m² | +34 m² +36% | 2025 |
|---|
| 44, Cranborne Road428 m away | 68 m² | 102 m² | +34 m² +50% | 2020 |
|---|
| 5, Coniston Avenue257 m away | 64 m² | 98 m² | +34 m² +53% | 2019 |
|---|
| 200a, Ripple Road475 m away | 78 m² | 112 m² | +34 m² +44% | 2015 |
|---|
| 30, Cecil Avenue744 m away | 97 m² | 130 m² | +33 m² +34% | 2026 |
|---|
| 2, Sparsholt Road189 m away | 108 m² | 141 m² | +33 m² +31% | 2024 |
|---|
| 28, Thorpe Road748 m away | 98 m² | 131 m² | +33 m² +34% | 2024 |
|---|
| 14, Sparsholt Road189 m away | 47 m² | 80 m² | +33 m² +70% | 2022 |
|---|
| 32, Cranleigh Gardens862 m away | 91 m² | 124 m² | +33 m² +36% | 2021 |
|---|
| 31, Charlton Crescent615 m away | 105 m² | 138 m² | +33 m² +31% | 2014 |
|---|
| 62, Shirley Gardens809 m away | 97 m² | 130 m² | +33 m² +34% | 2014 |
|---|
| 31, Champness Road779 m away | 104 m² | 136 m² | +32 m² +31% | 2024 |
|---|
| 11, Harrow Road138 m away | 85 m² | 117 m² | +32 m² +38% | 2021 |
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| 46, Essex Road318 m away | 90 m² | 122 m² | +32 m² +36% | 2015 |
|---|
| 3, Saxham Road477 m away | 79 m² | 110 m² | +31 m² +39% | 2025 |
|---|
| 11, Hurstbourne Gardens915 m away | 106 m² | 137 m² | +31 m² +29% | 2024 |
|---|
| 14, Tresham Road470 m away | 45 m² | 76 m² | +31 m² +69% | 2023 |
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| 120, Shirley Gardens809 m away | 95 m² | 126 m² | +31 m² +33% | 2016 |
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| 70, Westbury Road535 m away | 85 m² | 116 m² | +31 m² +36% | 2014 |
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| 46, Cranborne Road428 m away | 87 m² | 117 m² | +30 m² +34% | 2026 |
|---|
| 43, Suffolk Road279 m away | 92 m² | 122 m² | +30 m² +33% | 2023 |
|---|
| 39, Cranborne Road497 m away | 96 m² | 126 m² | +30 m² +31% | 2017 |
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| 12, Eastbury Square510 m away | 104 m² | 133 m² | +29 m² +28% | 2025 |
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| 22, Priory Road683 m away | 91 m² | 120 m² | +29 m² +32% | 2025 |
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| 12, Netherfield Gardens747 m away | 96 m² | 125 m² | +29 m² +30% | 2025 |
|---|
| 94, Blake Avenue316 m away | 93 m² | 122 m² | +29 m² +31% | 2023 |
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| 163, Keith Road491 m away | 48 m² | 77 m² | +29 m² +60% | 2022 |
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| 13, Greatfields Road514 m away | 68 m² | 97 m² | +29 m² +43% | 2020 |
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| 57, Bastable Avenue844 m away | 84 m² | 113 m² | +29 m² +35% | 2018 |
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| 6, Westminster Gardens728 m away | 69 m² | 98 m² | +29 m² +42% | 2015 |
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| 17, Dawson Avenue411 m away | 70 m² | 99 m² | +29 m² +41% | 2014 |
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| 24, Cranborne Road428 m away | 61 m² | 90 m² | +29 m² +48% | 2014 |
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| 151, St Awdrys Road638 m away | 86 m² | 115 m² | +29 m² +34% | 2014 |
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| 62, Hulse Avenue893 m away | 120 m² | 149 m² | +29 m² +24% | 2014 |
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| 25, Edgefield Avenue927 m away | 92 m² | 121 m² | +29 m² +32% | 2013 |
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| 70, Upney Lane944 m away | 140 m² | 169 m² | +29 m² +21% | 2012 |
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| 44, Hulse Avenue893 m away | 108 m² | 136 m² | +28 m² +26% | 2025 |
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| 6, Dawson Gardens724 m away | 61 m² | 89 m² | +28 m² +46% | 2024 |
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| 84, Suffolk Road398 m away | 93 m² | 121 m² | +28 m² +30% | 2023 |
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| 1, Pelham Avenue358 m away | 76 m² | 104 m² | +28 m² +37% | 2022 |
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| 64, King Edwards Road506 m away | 68 m² | 96 m² | +28 m² +41% | 2022 |
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| 71, Essex Road354 m away | 90 m² | 118 m² | +28 m² +31% | 2021 |
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| 268, Boundary Road448 m away | 69 m² | 97 m² | +28 m² +41% | 2021 |
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| 40, Netherfield Gardens747 m away | 101 m² | 129 m² | +28 m² +28% | 2019 |
|---|
| 46, Westbury Road535 m away | 98 m² | 126 m² | +28 m² +29% | 2015 |
|---|
| 56, Eldred Road130 m away | 70 m² | 98 m² | +28 m² +40% | 2014 |
|---|
| 54, Lyndhurst Gardens864 m away | 89 m² | 117 m² | +28 m² +31% | 2013 |
|---|
| 55, Lambourne Road412 m away | 55 m² | 82 m² | +27 m² +49% | 2026 |
|---|
| 10, Shirley Gardens965 m away | 116 m² | 143 m² | +27 m² +23% | 2025 |
|---|
| 64, Waverley Gardens671 m away | 76 m² | 103 m² | +27 m² +36% | 2023 |
|---|
| 21, Rowe Gardens960 m away | 62 m² | 89 m² | +27 m² +44% | 2021 |
|---|
| 115, Sutton Road459 m away | 35 m² | 62 m² | +27 m² +77% | 2014 |
|---|
| 24, Thorpe Road748 m away | 96 m² | 123 m² | +27 m² +28% | 2014 |
|---|
| 41, Suffolk Road279 m away | 114 m² | 140 m² | +26 m² +23% | 2025 |
|---|
| 63, Salisbury Avenue743 m away | 87 m² | 113 m² | +26 m² +30% | 2025 |
|---|
| 303, Ripple Road122 m away | 48 m² | 74 m² | +26 m² +54% | 2024 |
|---|
| 63, Hulse Avenue673 m away | 102 m² | 128 m² | +26 m² +25% | 2024 |
|---|
| 16, Priory Road683 m away | 79 m² | 105 m² | +26 m² +33% | 2021 |
|---|
| 84, Lyndhurst Gardens864 m away | 87 m² | 113 m² | +26 m² +30% | 2021 |
|---|
| Flat 214, Cutmore Ropeworks, 1, Arboretum Place857 m away | 58 m² | 84 m² | +26 m² +45% | 2009 |
|---|
| 82, Essex Road318 m away | 129 m² | 154 m² | +25 m² +19% | 2026 |
|---|
| 19, Rowe Gardens960 m away | 91 m² | 116 m² | +25 m² +27% | 2024 |
|---|
| 9, Priory Road683 m away | 89 m² | 114 m² | +25 m² +28% | 2023 |
|---|
| 59, Hurstbourne Gardens915 m away | 115 m² | 140 m² | +25 m² +22% | 2023 |
|---|
| 46, Devon Road0 m away | 65 m² | 90 m² | +25 m² +38% | 2022 |
|---|
| 7, Mulberry Court879 m away | 98 m² | 123 m² | +25 m² +26% | 2020 |
|---|
| 117, Shirley Gardens830 m away | 64 m² | 89 m² | +25 m² +39% | 2015 |
|---|
| 32a, Sutton Road358 m away | 65 m² | 89 m² | +24 m² +37% | 2026 |
|---|
| 45, Netherfield Gardens747 m away | 130 m² | 154 m² | +24 m² +18% | 2021 |
|---|
| 142, Salisbury Avenue552 m away | 101 m² | 125 m² | +24 m² +24% | 2019 |
|---|
| 21, Rosslyn Road645 m away | 72 m² | 96 m² | +24 m² +33% | 2019 |
|---|
| 2, Kennedy Road229 m away | 56 m² | 80 m² | +24 m² +43% | 2017 |
|---|
| 17, Mayesbrook Road503 m away | 95 m² | 119 m² | +24 m² +25% | 2014 |
|---|
| 133, Roycraft Avenue806 m away | 61 m² | 85 m² | +24 m² +39% | 2013 |
|---|
| Flat 5, Central House, 14, Cambridge Road981 m away | 59 m² | 83 m² | +24 m² +41% | 2013 |
|---|
| 7, Gordon Road179 m away | 52 m² | 76 m² | +24 m² +46% | 2011 |
|---|
| 4, Harrow Road104 m away | 77 m² | 100 m² | +23 m² +30% | 2026 |
|---|
| 43, Alfreds Gardens532 m away | 82 m² | 105 m² | +23 m² +28% | 2025 |
|---|
| 64, Wedderburn Road156 m away | 67 m² | 90 m² | +23 m² +34% | 2024 |
|---|
| 47b, Thornhill Gardens521 m away | 27 m² | 50 m² | +23 m² +85% | 2022 |
|---|
| 1503, Lemonade Building, 3, Arboretum Place858 m away | 39 m² | 62 m² | +23 m² +59% | 2020 |
|---|
| 804, Lemonade Building, 3, Arboretum Place858 m away | 61 m² | 84 m² | +23 m² +38% | 2019 |
|---|
| 177, Perth Road457 m away | 90 m² | 113 m² | +23 m² +26% | 2014 |
|---|
| 31, Sherwood Gardens742 m away | 86 m² | 109 m² | +23 m² +27% | 2011 |
|---|
| 43, Waverley Gardens671 m away | 103 m² | 125 m² | +22 m² +21% | 2026 |
|---|
| 66, Harrow Road104 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
|---|
| 100, Lyndhurst Gardens864 m away | 89 m² | 111 m² | +22 m² +25% | 2025 |
|---|
| 30, Hulse Avenue893 m away | 112 m² | 134 m² | +22 m² +20% | 2024 |
|---|
| 109, Sutton Road459 m away | 60 m² | 82 m² | +22 m² +37% | 2022 |
|---|
| 67a, East Street973 m away | 38 m² | 60 m² | +22 m² +58% | 2022 |
|---|
| 65, Harrow Road138 m away | 100 m² | 122 m² | +22 m² +22% | 2021 |
|---|
| 150, Salisbury Avenue552 m away | 72 m² | 94 m² | +22 m² +31% | 2020 |
|---|
| 142, King Edwards Road559 m away | 67 m² | 89 m² | +22 m² +33% | 2020 |
|---|
| 207, Salisbury Avenue570 m away | 81 m² | 103 m² | +22 m² +27% | 2018 |
|---|
| 56, Westminster Gardens728 m away | 90 m² | 112 m² | +22 m² +24% | 2018 |
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