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 7XQ
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 |
|---|---|---|---|---|
| 38, St Erkenwald Road663 m away | 93 m² | 186 m² | +93 m² +100% | 2015 |
| 122, Salisbury Avenue731 m away | 88 m² | 179 m² | +91 m² +103% | 2019 |
| 15, Lancaster Avenue415 m away | 112 m² | 194 m² | +82 m² +73% | 2016 |
| 87, Hurstbourne Gardens890 m away | 90 m² | 171 m² | +81 m² +90% | 2026 |
| 52, Blake Avenue298 m away | 100 m² | 176 m² | +76 m² +76% | 2026 |
| 215, Charlton Crescent772 m away | 69 m² | 144 m² | +75 m² +109% | 2024 |
| 3, Cecil Avenue981 m away | 108 m² | 180 m² | +72 m² +67% | 2022 |
| 109, Blake Avenue624 m away | 95 m² | 162 m² | +67 m² +71% | 2025 |
| 173, Wilmington Gardens653 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.
| 85 m² |
| 148 m² |
| +63 m² +74% |
| 2026 |
| 20, Devon Road179 m away | 54 m² | 117 m² | +63 m² +117% | 2023 |
|---|
| 117, Salisbury Avenue683 m away | 92 m² | 155 m² | +63 m² +68% | 2021 |
|---|
| 123, Salisbury Avenue683 m away | 86 m² | 149 m² | +63 m² +73% | 2019 |
|---|
| 24, Westminster Gardens550 m away | 66 m² | 127 m² | +61 m² +92% | 2026 |
|---|
| 213, Salisbury Avenue749 m away | 85 m² | 146 m² | +61 m² +72% | 2020 |
|---|
| 1, Essex Road454 m away | 79 m² | 139 m² | +60 m² +76% | 2021 |
|---|
| 17, Priory Road801 m away | 87 m² | 147 m² | +60 m² +69% | 2016 |
|---|
| 4, Cecil Avenue981 m away | 121 m² | 181 m² | +60 m² +50% | 2015 |
|---|
| 117, Blake Avenue624 m away | 85 m² | 144 m² | +59 m² +69% | 2024 |
|---|
| 20, Roycraft Avenue716 m away | 66 m² | 124 m² | +58 m² +88% | 2026 |
|---|
| 36, St Erkenwald Road663 m away | 61 m² | 119 m² | +58 m² +95% | 2019 |
|---|
| 46, Waverley Gardens492 m away | 41 m² | 99 m² | +58 m² +141% | 2016 |
|---|
| 93, Bastable Avenue726 m away | 68 m² | 125 m² | +57 m² +84% | 2025 |
|---|
| 21, Sherwood Gardens884 m away | 84 m² | 141 m² | +57 m² +68% | 2025 |
|---|
| 508, Ripple Road683 m away | 93 m² | 150 m² | +57 m² +61% | 2023 |
|---|
| 88, Salisbury Avenue644 m away | 90 m² | 146 m² | +56 m² +62% | 2026 |
|---|
| 84, Shirley Gardens988 m away | 86 m² | 142 m² | +56 m² +65% | 2012 |
|---|
| 119, Wilmington Gardens766 m away | 83 m² | 137 m² | +54 m² +65% | 2022 |
|---|
| 71, Netherfield Gardens757 m away | 86 m² | 140 m² | +54 m² +63% | 2021 |
|---|
| 4, Dawson Avenue535 m away | 69 m² | 123 m² | +54 m² +78% | 2014 |
|---|
| 22, Netherfield Gardens896 m away | 96 m² | 149 m² | +53 m² +55% | 2024 |
|---|
| 62, Hurstbourne Gardens955 m away | 112 m² | 165 m² | +53 m² +47% | 2023 |
|---|
| 104, Salisbury Avenue644 m away | 92 m² | 145 m² | +53 m² +58% | 2022 |
|---|
| 125a, Lambourne Road751 m away | 58 m² | 110 m² | +52 m² +90% | 2014 |
|---|
| 22, Kennedy Road83 m away | 57 m² | 108 m² | +51 m² +89% | 2013 |
|---|
| 10, Rosslyn Road767 m away | 95 m² | 145 m² | +50 m² +53% | 2020 |
|---|
| 66, Lambourne Road652 m away | 60 m² | 110 m² | +50 m² +83% | 2014 |
|---|
| 286, Howard Road272 m away | 87 m² | 136 m² | +49 m² +56% | 2024 |
|---|
| Flat 80, The Odeon, 22 - 30, Longbridge Road986 m away | 70 m² | 119 m² | +49 m² +70% | 2022 |
|---|
| Flat 514, Cutmore Ropeworks, 1, Arboretum Place893 m away | 39 m² | 88 m² | +49 m² +126% | 2014 |
|---|
| 117, Wilmington Gardens766 m away | 82 m² | 130 m² | +48 m² +59% | 2013 |
|---|
| 28, Westminster Gardens550 m away | 88 m² | 135 m² | +47 m² +53% | 2026 |
|---|
| 41, Priory Road801 m away | 68 m² | 114 m² | +46 m² +68% | 2015 |
|---|
| 25, Cecil Avenue929 m away | 138 m² | 183 m² | +45 m² +33% | 2015 |
|---|
| 33, Westminster Gardens550 m away | 75 m² | 119 m² | +44 m² +59% | 2024 |
|---|
| 228, Blake Avenue740 m away | 111 m² | 155 m² | +44 m² +40% | 2023 |
|---|
| 38, St Johns Road150 m away | 80 m² | 124 m² | +44 m² +55% | 2019 |
|---|
| 27, Devon Road152 m away | 71 m² | 115 m² | +44 m² +62% | 2014 |
|---|
| 27, Greatfields Road355 m away | 62 m² | 106 m² | +44 m² +71% | 2013 |
|---|
| 80, Hulse Avenue852 m away | 77 m² | 120 m² | +43 m² +56% | 2017 |
|---|
| 74, Blake Avenue298 m away | 83 m² | 125 m² | +42 m² +51% | 2024 |
|---|
| 251, Morley Road344 m away | 85 m² | 127 m² | +42 m² +49% | 2021 |
|---|
| 7, Cecil Avenue981 m away | 111 m² | 153 m² | +42 m² +38% | 2016 |
|---|
| 36, Thorpe Road864 m away | 98 m² | 139 m² | +41 m² +42% | 2022 |
|---|
| 75, Cecil Avenue732 m away | 102 m² | 143 m² | +41 m² +40% | 2014 |
|---|
| Flat 611 Schrier, Ropeworks, 1, Arboretum Place883 m away | 36 m² | 77 m² | +41 m² +114% | 2014 |
|---|
| 39, Blake Avenue298 m away | 69 m² | 109 m² | +40 m² +58% | 2023 |
|---|
| 14, Netherfield Gardens896 m away | 69 m² | 109 m² | +40 m² +58% | 2012 |
|---|
| 217, Morley Road425 m away | 56 m² | 95 m² | +39 m² +70% | 2017 |
|---|
| 60, Curzon Crescent914 m away | 103 m² | 142 m² | +39 m² +38% | 2015 |
|---|
| 21, Devon Road152 m away | 87 m² | 125 m² | +38 m² +44% | 2026 |
|---|
| 20, St Erkenwald Road663 m away | 104 m² | 142 m² | +38 m² +37% | 2024 |
|---|
| 11, Eastbury Square559 m away | 86 m² | 124 m² | +38 m² +44% | 2014 |
|---|
| 47, Waverley Gardens492 m away | 71 m² | 108 m² | +37 m² +52% | 2026 |
|---|
| 14, St Erkenwald Road663 m away | 94 m² | 131 m² | +37 m² +39% | 2025 |
|---|
| 168, Salisbury Avenue731 m away | 91 m² | 128 m² | +37 m² +41% | 2025 |
|---|
| 62, Salisbury Avenue634 m away | 86 m² | 123 m² | +37 m² +43% | 2023 |
|---|
| 25, Suffolk Road409 m away | 66 m² | 103 m² | +37 m² +56% | 2021 |
|---|
| 4, Rosslyn Road767 m away | 48 m² | 85 m² | +37 m² +77% | 2014 |
|---|
| 104, Wilmington Gardens697 m away | 117 m² | 153 m² | +36 m² +31% | 2026 |
|---|
| 22, Rosslyn Road767 m away | 99 m² | 135 m² | +36 m² +36% | 2026 |
|---|
| 45, Bastable Avenue726 m away | 84 m² | 120 m² | +36 m² +43% | 2025 |
|---|
| 56, Sisley Road417 m away | 82 m² | 118 m² | +36 m² +44% | 2023 |
|---|
| 76, Eldred Road197 m away | 75 m² | 111 m² | +36 m² +48% | 2016 |
|---|
| 401, Ripple Road521 m away | 133 m² | 169 m² | +36 m² +27% | 2015 |
|---|
| 91, Wedderburn Road148 m away | 33 m² | 69 m² | +36 m² +109% | 2014 |
|---|
| 10, Sherwood Gardens884 m away | 85 m² | 120 m² | +35 m² +41% | 2026 |
|---|
| 94, Hurstbourne Gardens955 m away | 171 m² | 206 m² | +35 m² +20% | 2025 |
|---|
| 807, Lemonade Building, 3, Arboretum Place903 m away | 39 m² | 74 m² | +35 m² +90% | 2021 |
|---|
| 3, John Burns Drive406 m away | 55 m² | 90 m² | +35 m² +64% | 2014 |
|---|
| 59, Movers Lane154 m away | 71 m² | 106 m² | +35 m² +49% | 2010 |
|---|
| 22, Charlton Crescent545 m away | 109 m² | 143 m² | +34 m² +31% | 2026 |
|---|
| 73, Essex Road454 m away | 95 m² | 129 m² | +34 m² +36% | 2025 |
|---|
| 44, Cranborne Road474 m away | 68 m² | 102 m² | +34 m² +50% | 2020 |
|---|
| 5, Coniston Avenue436 m away | 64 m² | 98 m² | +34 m² +53% | 2019 |
|---|
| 200a, Ripple Road456 m away | 78 m² | 112 m² | +34 m² +44% | 2015 |
|---|
| 30, Cecil Avenue877 m away | 97 m² | 130 m² | +33 m² +34% | 2026 |
|---|
| 2, Sparsholt Road127 m away | 108 m² | 141 m² | +33 m² +31% | 2024 |
|---|
| 28, Thorpe Road864 m away | 98 m² | 131 m² | +33 m² +34% | 2024 |
|---|
| 14, Sparsholt Road127 m away | 47 m² | 80 m² | +33 m² +70% | 2022 |
|---|
| 31, Charlton Crescent502 m away | 105 m² | 138 m² | +33 m² +31% | 2014 |
|---|
| 62, Shirley Gardens988 m away | 97 m² | 130 m² | +33 m² +34% | 2014 |
|---|
| 31, Champness Road948 m away | 104 m² | 136 m² | +32 m² +31% | 2024 |
|---|
| 11, Harrow Road215 m away | 85 m² | 117 m² | +32 m² +38% | 2021 |
|---|
| 46, Essex Road428 m away | 90 m² | 122 m² | +32 m² +36% | 2015 |
|---|
| 3, Saxham Road385 m away | 79 m² | 110 m² | +31 m² +39% | 2025 |
|---|
| 14, Tresham Road607 m away | 45 m² | 76 m² | +31 m² +69% | 2023 |
|---|
| 120, Shirley Gardens988 m away | 95 m² | 126 m² | +31 m² +33% | 2016 |
|---|
| 70, Westbury Road545 m away | 85 m² | 116 m² | +31 m² +36% | 2014 |
|---|
| 46, Cranborne Road474 m away | 87 m² | 117 m² | +30 m² +34% | 2026 |
|---|
| 43, Suffolk Road409 m away | 92 m² | 122 m² | +30 m² +33% | 2023 |
|---|
| 39, Cranborne Road540 m away | 96 m² | 126 m² | +30 m² +31% | 2017 |
|---|
| 12, Eastbury Square559 m away | 104 m² | 133 m² | +29 m² +28% | 2025 |
|---|
| 22, Priory Road801 m away | 91 m² | 120 m² | +29 m² +32% | 2025 |
|---|
| 12, Netherfield Gardens896 m away | 96 m² | 125 m² | +29 m² +30% | 2025 |
|---|
| 94, Blake Avenue298 m away | 93 m² | 122 m² | +29 m² +31% | 2023 |
|---|
| 163, Keith Road351 m away | 48 m² | 77 m² | +29 m² +60% | 2022 |
|---|
| 13, Greatfields Road355 m away | 68 m² | 97 m² | +29 m² +43% | 2020 |
|---|
| 57, Bastable Avenue726 m away | 84 m² | 113 m² | +29 m² +35% | 2018 |
|---|
| 6, Westminster Gardens550 m away | 69 m² | 98 m² | +29 m² +42% | 2015 |
|---|
| 24, Cranborne Road474 m away | 61 m² | 90 m² | +29 m² +48% | 2014 |
|---|
| 17, Dawson Avenue535 m away | 70 m² | 99 m² | +29 m² +41% | 2014 |
|---|
| 151, St Awdrys Road715 m away | 86 m² | 115 m² | +29 m² +34% | 2014 |
|---|
| 6, Dawson Gardens826 m away | 61 m² | 89 m² | +28 m² +46% | 2024 |
|---|
| 84, Suffolk Road524 m away | 93 m² | 121 m² | +28 m² +30% | 2023 |
|---|
| 1, Pelham Avenue379 m away | 76 m² | 104 m² | +28 m² +37% | 2022 |
|---|
| 64, King Edwards Road424 m away | 68 m² | 96 m² | +28 m² +41% | 2022 |
|---|
| 268, Boundary Road351 m away | 69 m² | 97 m² | +28 m² +41% | 2021 |
|---|
| 71, Essex Road454 m away | 90 m² | 118 m² | +28 m² +31% | 2021 |
|---|
| 40, Netherfield Gardens896 m away | 101 m² | 129 m² | +28 m² +28% | 2019 |
|---|
| 46, Westbury Road545 m away | 98 m² | 126 m² | +28 m² +29% | 2015 |
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| 56, Eldred Road197 m away | 70 m² | 98 m² | +28 m² +40% | 2014 |
|---|
| 55, Lambourne Road572 m away | 55 m² | 82 m² | +27 m² +49% | 2026 |
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| 64, Waverley Gardens492 m away | 76 m² | 103 m² | +27 m² +36% | 2023 |
|---|
| 21, Rowe Gardens890 m away | 62 m² | 89 m² | +27 m² +44% | 2021 |
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| 115, Sutton Road390 m away | 35 m² | 62 m² | +27 m² +77% | 2014 |
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| 24, Thorpe Road864 m away | 96 m² | 123 m² | +27 m² +28% | 2014 |
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| 41, Suffolk Road409 m away | 114 m² | 140 m² | +26 m² +23% | 2025 |
|---|
| 63, Salisbury Avenue847 m away | 87 m² | 113 m² | +26 m² +30% | 2025 |
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| 303, Ripple Road301 m away | 48 m² | 74 m² | +26 m² +54% | 2024 |
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| 63, Hulse Avenue852 m away | 102 m² | 128 m² | +26 m² +25% | 2024 |
|---|
| 16, Priory Road801 m away | 79 m² | 105 m² | +26 m² +33% | 2021 |
|---|
| Flat 214, Cutmore Ropeworks, 1, Arboretum Place893 m away | 58 m² | 84 m² | +26 m² +45% | 2009 |
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| 82, Essex Road428 m away | 129 m² | 154 m² | +25 m² +19% | 2026 |
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| 19, Rowe Gardens890 m away | 91 m² | 116 m² | +25 m² +27% | 2024 |
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| 9, Priory Road801 m away | 89 m² | 114 m² | +25 m² +28% | 2023 |
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| 46, Devon Road179 m away | 65 m² | 90 m² | +25 m² +38% | 2022 |
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| 32a, Sutton Road270 m away | 65 m² | 89 m² | +24 m² +37% | 2026 |
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| 45, Netherfield Gardens896 m away | 130 m² | 154 m² | +24 m² +18% | 2021 |
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| 142, Salisbury Avenue731 m away | 101 m² | 125 m² | +24 m² +24% | 2019 |
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| 21, Rosslyn Road767 m away | 72 m² | 96 m² | +24 m² +33% | 2019 |
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| 2, Kennedy Road83 m away | 56 m² | 80 m² | +24 m² +43% | 2017 |
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| 17, Mayesbrook Road520 m away | 95 m² | 119 m² | +24 m² +25% | 2014 |
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| 133, Roycraft Avenue716 m away | 61 m² | 85 m² | +24 m² +39% | 2013 |
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| 7, Gordon Road0 m away | 52 m² | 76 m² | +24 m² +46% | 2011 |
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| 4, Harrow Road204 m away | 77 m² | 100 m² | +23 m² +30% | 2026 |
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| 43, Alfreds Gardens462 m away | 82 m² | 105 m² | +23 m² +28% | 2025 |
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| 64, Wedderburn Road168 m away | 67 m² | 90 m² | +23 m² +34% | 2024 |
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| 47b, Thornhill Gardens697 m away | 27 m² | 50 m² | +23 m² +85% | 2022 |
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| 1503, Lemonade Building, 3, Arboretum Place903 m away | 39 m² | 62 m² | +23 m² +59% | 2020 |
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| 804, Lemonade Building, 3, Arboretum Place903 m away | 61 m² | 84 m² | +23 m² +38% | 2019 |
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| 177, Perth Road343 m away | 90 m² | 113 m² | +23 m² +26% | 2014 |
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| 31, Sherwood Gardens884 m away | 86 m² | 109 m² | +23 m² +27% | 2011 |
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| 43, Waverley Gardens492 m away | 103 m² | 125 m² | +22 m² +21% | 2026 |
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| 66, Harrow Road204 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
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| 109, Sutton Road390 m away | 60 m² | 82 m² | +22 m² +37% | 2022 |
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| 65, Harrow Road215 m away | 100 m² | 122 m² | +22 m² +22% | 2021 |
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| 115, The Shaftesburys985 m away | 49 m² | 71 m² | +22 m² +45% | 2021 |
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| 142, King Edwards Road415 m away | 67 m² | 89 m² | +22 m² +33% | 2020 |
|---|
| 150, Salisbury Avenue731 m away | 72 m² | 94 m² | +22 m² +31% | 2020 |
|---|
| 56, Westminster Gardens550 m away | 90 m² | 112 m² | +22 m² +24% | 2018 |
|---|
| 207, Salisbury Avenue749 m away | 81 m² | 103 m² | +22 m² +27% | 2018 |
|---|
| 125, Roycraft Avenue716 m away | 66 m² | 88 m² | +22 m² +33% | 2015 |
|---|
| 52, Westbury Road545 m away | 100 m² | 122 m² | +22 m² +22% | 2014 |
|---|
| 95, Sutton Road390 m away | 96 m² | 117 m² | +21 m² +22% | 2026 |
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| 1, Mellish Close459 m away | 69 m² | 90 m² | +21 m² +30% | 2025 |
|---|
| 1305, Lemonade Building, 3, Arboretum Place903 m away | 61 m² | 82 m² | +21 m² +34% | 2025 |
|---|
| 12, Goodey Road823 m away | 76 m² | 97 m² | +21 m² +28% | 2024 |
|---|
| 15, Alfreds Gardens310 m away | 61 m² | 82 m² | +21 m² +34% | 2023 |
|---|
| 50, Alfreds Gardens462 m away | 66 m² | 87 m² | +21 m² +32% | 2018 |
|---|
| 109, Wilmington Gardens766 m away | 66 m² | 87 m² | +21 m² +32% | 2016 |
|---|
| 57, Cecil Avenue802 m away | 112 m² | 133 m² | +21 m² +19% | 2015 |
|---|
| 283, Salisbury Avenue946 m away | 89 m² | 110 m² | +21 m² +24% | 2013 |
|---|
| 38, Felton Road252 m away | 58 m² | 79 m² | +21 m² +36% | 2012 |
|---|
| 16, Norfolk Road451 m away | 68 m² | 88 m² | +20 m² +29% | 2026 |
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| 38, Dawson Avenue535 m away | 70 m² | 90 m² | +20 m² +29% | 2026 |
|---|
| 95, Cooke Street844 m away | 32 m² | 52 m² | +20 m² +63% | 2026 |
|---|
| 37, Sherwood Gardens884 m away | 89 m² | 109 m² | +20 m² +22% | 2026 |
|---|
| 8, Kendal Avenue339 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
|---|
| 41, Coniston Avenue436 m away | 67 m² | 87 m² | +20 m² +30% | 2025 |
|---|
| 1, Kennedy Road58 m away | 76 m² | 96 m² | +20 m² +26% | 2021 |
|---|
| 80, Westminster Gardens637 m away | 72 m² | 92 m² | +20 m² +28% | 2021 |
|---|
| 67, Wilmington Gardens964 m away | 92 m² | 112 m² | +20 m² +22% | 2020 |
|---|
| 21, Sparsholt Road84 m away | 72 m² | 92 m² | +20 m² +28% | 2014 |
|---|
| 19, Cranborne Road540 m away | 87 m² | 107 m² | +20 m² +23% | 2014 |
|---|
| 4, Gordon Road0 m away | 77 m² | 97 m² | +20 m² +26% | 2013 |
|---|
| 496, Ripple Road683 m away | 31 m² | 51 m² | +20 m² +65% | 2011 |
|---|
| 33, Devon Road152 m away | 84 m² | 103 m² | +19 m² +23% | 2026 |
|---|
| 34, Charlton Crescent545 m away | 86 m² | 105 m² | +19 m² +22% | 2026 |
|---|
| 21a, Ripple Road880 m away | 61 m² | 80 m² | +19 m² +31% | 2026 |
|---|
| 38, Sisley Road417 m away | 87 m² | 106 m² | +19 m² +22% | 2024 |
|---|
| 31, Waverley Gardens492 m away | 75 m² | 94 m² | +19 m² +25% | 2023 |
|---|
| 6, Thornhill Gardens697 m away | 84 m² | 103 m² | +19 m² +23% | 2023 |
|---|
| 47a, Thornhill Gardens697 m away | 37 m² | 56 m² | +19 m² +51% | 2022 |
|---|
| 59, Harrow Road215 m away | 52 m² | 71 m² | +19 m² +37% | 2020 |
|---|
| 40, Suffolk Road524 m away | 74 m² | 93 m² | +19 m² +26% | 2020 |
|---|
| 2, Norfolk Road451 m away | 85 m² | 104 m² | +19 m² +22% | 2019 |
|---|
| 66, Suffolk Road524 m away | 74 m² | 93 m² | +19 m² +26% | 2018 |
|---|
| 103, Roycraft Avenue716 m away | 122 m² | 141 m² | +19 m² +16% | 2015 |
|---|
| 3, Payne Close749 m away | 65 m² | 84 m² | +19 m² +29% | 2015 |
|---|
| 1b, Essex Road454 m away | 89 m² | 108 m² | +19 m² +21% | 2014 |
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