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 BN42 4NA
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 |
|---|---|---|---|---|
| 31, Croft Avenue354 m away | 129 m² | 260 m² | +131 m² +102% | 2015 |
| 2, Southwick Street427 m away | 125 m² | 232 m² | +107 m² +86% | 2014 |
| 36, Oldfield Crescent558 m away | 128 m² | 229 m² | +101 m² +79% | 2024 |
| 1, Old Rectory Gardens779 m away | 86 m² | 187 m² | +101 m² +117% | 2024 |
| 25, Overhill536 m away | 66 m² | 152 m² | +86 m² +130% | 2024 |
| 7, Southdown Road264 m away | 220 m² | 306 m² | +86 m² +39% | 2021 |
| 16, Hadrian Avenue491 m away | 68 m² | 147 m² | +79 m² +116% | 2025 |
| 7, Hillside499 m away | 83 m² | 160 m² | +77 m² +93% | 2024 |
| 26, Manor Hall Road53 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.
| 87 m² |
| 161 m² |
| +74 m² +85% |
| 2015 |
| The Old Rectory Cottage, 55c, Kingston Lane811 m away | 75 m² | 147 m² | +72 m² +96% | 2021 |
|---|
| 4, Roman Road302 m away | 69 m² | 140 m² | +71 m² +103% | 2020 |
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| 5, Sandown Road547 m away | 70 m² | 141 m² | +71 m² +101% | 2017 |
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| 6, Eastbank656 m away | 76 m² | 143 m² | +67 m² +88% | 2022 |
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| 30, Overhill524 m away | 79 m² | 146 m² | +67 m² +85% | 2019 |
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| 36, Cross Road545 m away | 94 m² | 158 m² | +64 m² +68% | 2015 |
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| 1, Melrose Avenue776 m away | 78 m² | 142 m² | +64 m² +82% | 2015 |
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| 81, The Crescent204 m away | 100 m² | 163 m² | +63 m² +63% | 2022 |
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| 10, Springate Road358 m away | 90 m² | 150 m² | +60 m² +67% | 2020 |
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| 26, Eastbank656 m away | 72 m² | 131 m² | +59 m² +82% | 2021 |
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| 8, Old Shoreham Road738 m away | 74 m² | 132 m² | +58 m² +78% | 2015 |
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| 10, Kings Road835 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
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| 11, The Crescent204 m away | 97 m² | 151 m² | +54 m² +56% | 2025 |
|---|
| 269, Old Shoreham Road620 m away | 44 m² | 98 m² | +54 m² +123% | 2019 |
|---|
| 108, The Crescent394 m away | 99 m² | 152 m² | +53 m² +54% | 2021 |
|---|
| 70, Underdown Road496 m away | 107 m² | 158 m² | +51 m² +48% | 2025 |
|---|
| 51, Hadrian Avenue491 m away | 71 m² | 122 m² | +51 m² +72% | 2021 |
|---|
| 20, Millcroft Avenue646 m away | 65 m² | 114 m² | +49 m² +75% | 2022 |
|---|
| 88, Overhill818 m away | 87 m² | 135 m² | +48 m² +55% | 2026 |
|---|
| 8, Springate Road358 m away | 83 m² | 131 m² | +48 m² +58% | 2018 |
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| 86, Holmbush Way791 m away | 128 m² | 176 m² | +48 m² +38% | 2017 |
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| 164, Manor Hall Road609 m away | 80 m² | 128 m² | +48 m² +60% | 2016 |
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| 39, The Green541 m away | 38 m² | 85 m² | +47 m² +124% | 2023 |
|---|
| 84, Southview Road415 m away | 135 m² | 182 m² | +47 m² +35% | 2022 |
|---|
| 5, Park Way232 m away | 67 m² | 114 m² | +47 m² +70% | 2019 |
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| 30, Manor Close834 m away | 78 m² | 124 m² | +46 m² +59% | 2019 |
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| 33, Greenways537 m away | 81 m² | 127 m² | +46 m² +57% | 2013 |
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| 19, Seaview Estate672 m away | 106 m² | 151 m² | +45 m² +42% | 2024 |
|---|
| 21, Eastbrook Way670 m away | 94 m² | 139 m² | +45 m² +48% | 2014 |
|---|
| 83, Downsway898 m away | 72 m² | 116 m² | +44 m² +61% | 2024 |
|---|
| 6, Phoenix Way703 m away | 59 m² | 102 m² | +43 m² +73% | 2022 |
|---|
| 48, Roman Way303 m away | 94 m² | 137 m² | +43 m² +46% | 2020 |
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| 161, Manor Hall Road644 m away | 80 m² | 121 m² | +41 m² +51% | 2026 |
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| 19, Millcroft Avenue646 m away | 84 m² | 125 m² | +41 m² +49% | 2024 |
|---|
| 13, Mile Oak Road455 m away | 90 m² | 131 m² | +41 m² +46% | 2022 |
|---|
| 2, Old Rectory Gardens779 m away | 103 m² | 144 m² | +41 m² +40% | 2018 |
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| 53, Downland Avenue711 m away | 86 m² | 127 m² | +41 m² +48% | 2017 |
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| 45, Prince Charles Close532 m away | 86 m² | 124 m² | +38 m² +44% | 2015 |
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| 239, Old Shoreham Road485 m away | 148 m² | 186 m² | +38 m² +26% | 2014 |
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| Harbour House, 121, Gardner Road845 m away | 32 m² | 70 m² | +38 m² +119% | 2009 |
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| 317, Albion Street608 m away | 81 m² | 118 m² | +37 m² +46% | 2026 |
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| 13, Springate Road358 m away | 124 m² | 161 m² | +37 m² +30% | 2022 |
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| 5, Spinnals Grove887 m away | 128 m² | 165 m² | +37 m² +29% | 2022 |
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| 7, Millcroft Gardens621 m away | 123 m² | 159 m² | +36 m² +29% | 2025 |
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| 11, Upton Avenue646 m away | 69 m² | 105 m² | +36 m² +52% | 2020 |
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| 58, Mile Oak Road646 m away | 53 m² | 89 m² | +36 m² +68% | 2014 |
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| 20, Sandown Road547 m away | 103 m² | 138 m² | +35 m² +34% | 2018 |
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| 23, The Gardens499 m away | 60 m² | 94 m² | +34 m² +57% | 2026 |
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| 43, Melrose Avenue776 m away | 61 m² | 95 m² | +34 m² +56% | 2024 |
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| 7, Stanley Road844 m away | 61 m² | 95 m² | +34 m² +56% | 2019 |
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| 22, Mile Oak Road461 m away | 100 m² | 134 m² | +34 m² +34% | 2015 |
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| 120, Downsway937 m away | 65 m² | 98 m² | +33 m² +51% | 2026 |
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| 34, Holmbush Way993 m away | 75 m² | 108 m² | +33 m² +44% | 2025 |
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| 114, Manor Hall Road428 m away | 71 m² | 104 m² | +33 m² +46% | 2024 |
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| 2, The Barn, The Green465 m away | 106 m² | 139 m² | +33 m² +31% | 2017 |
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| 102, Manor Hall Road428 m away | 65 m² | 98 m² | +33 m² +51% | 2016 |
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| 46, Southwick Street124 m away | 93 m² | 126 m² | +33 m² +35% | 2014 |
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| 26, Downland Avenue814 m away | 82 m² | 114 m² | +32 m² +39% | 2022 |
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| 311, Albion Street608 m away | 77 m² | 109 m² | +32 m² +42% | 2019 |
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| 17, Southview Road360 m away | 49 m² | 81 m² | +32 m² +65% | 2016 |
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| 110, Southwick Street206 m away | 82 m² | 114 m² | +32 m² +39% | 2015 |
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| 77, Meadway Court660 m away | 45 m² | 77 m² | +32 m² +71% | 2015 |
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| 23, Orchard Close361 m away | 72 m² | 104 m² | +32 m² +44% | 2014 |
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| 49, Kingston Lane797 m away | 137 m² | 169 m² | +32 m² +23% | 2013 |
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| 130, Manor Hall Road609 m away | 72 m² | 103 m² | +31 m² +43% | 2026 |
|---|
| 110, The Crescent394 m away | 122 m² | 153 m² | +31 m² +25% | 2025 |
|---|
| 146, Manor Hall Road609 m away | 80 m² | 111 m² | +31 m² +39% | 2025 |
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| 18, Melrose Avenue742 m away | 96 m² | 127 m² | +31 m² +32% | 2022 |
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| 64, Crown Road939 m away | 83 m² | 114 m² | +31 m² +37% | 2022 |
|---|
| 49, Melrose Avenue776 m away | 78 m² | 109 m² | +31 m² +40% | 2014 |
|---|
| 34, Roman Way303 m away | 85 m² | 115 m² | +30 m² +35% | 2024 |
|---|
| 89, Old Barn Way679 m away | 80 m² | 110 m² | +30 m² +38% | 2020 |
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| 50, Melrose Avenue742 m away | 51 m² | 81 m² | +30 m² +59% | 2020 |
|---|
| 13, Manor Close834 m away | 78 m² | 108 m² | +30 m² +38% | 2015 |
|---|
| 21, Underdown Road538 m away | 88 m² | 117 m² | +29 m² +33% | 2026 |
|---|
| 5, Greenways537 m away | 60 m² | 89 m² | +29 m² +48% | 2023 |
|---|
| 4, Mile Oak Road856 m away | 72 m² | 101 m² | +29 m² +40% | 2023 |
|---|
| 173, Manor Hall Road644 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
|---|
| 28, Mile Oak Gardens856 m away | 107 m² | 136 m² | +29 m² +27% | 2015 |
|---|
| 82, The Gardens541 m away | 81 m² | 110 m² | +29 m² +36% | 2014 |
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| 19, The Green635 m away | 130 m² | 158 m² | +28 m² +22% | 2025 |
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| 10, Ridgeway Close670 m away | 122 m² | 150 m² | +28 m² +23% | 2025 |
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| 56, Kingston Lane858 m away | 88 m² | 116 m² | +28 m² +32% | 2025 |
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| 95, Downsway898 m away | 97 m² | 125 m² | +28 m² +29% | 2020 |
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| 19, Cross Road528 m away | 123 m² | 151 m² | +28 m² +23% | 2018 |
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| 18, Mile Oak Gardens856 m away | 75 m² | 103 m² | +28 m² +37% | 2016 |
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| 89, Mile Oak Road966 m away | 96 m² | 124 m² | +28 m² +29% | 2013 |
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| 5, Millcroft Avenue646 m away | 74 m² | 101 m² | +27 m² +36% | 2025 |
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| 15, The Drive696 m away | 90 m² | 117 m² | +27 m² +30% | 2023 |
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| 39, Underdown Road538 m away | 85 m² | 112 m² | +27 m² +32% | 2020 |
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| 25, Roman Way303 m away | 101 m² | 127 m² | +26 m² +26% | 2025 |
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| 79, Old Barn Way679 m away | 82 m² | 108 m² | +26 m² +32% | 2025 |
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| 104, Southwick Street206 m away | 81 m² | 107 m² | +26 m² +32% | 2024 |
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| 32, Victoria Road767 m away | 122 m² | 148 m² | +26 m² +21% | 2022 |
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| 4, Ashcroft Close902 m away | 62 m² | 88 m² | +26 m² +42% | 2020 |
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| 26, Cross Road545 m away | 87 m² | 113 m² | +26 m² +30% | 2019 |
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| 21, Cross Road528 m away | 115 m² | 141 m² | +26 m² +23% | 2017 |
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| 42, Highdown697 m away | 65 m² | 91 m² | +26 m² +40% | 2016 |
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| 33, Mile Oak Gardens856 m away | 80 m² | 106 m² | +26 m² +33% | 2014 |
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| 107, Manor Hall Road379 m away | 145 m² | 170 m² | +25 m² +17% | 2026 |
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| 1, Manor Close834 m away | 79 m² | 104 m² | +25 m² +32% | 2026 |
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| 60, Southwick Street206 m away | 110 m² | 135 m² | +25 m² +23% | 2025 |
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| 51a, Downsway543 m away | 78 m² | 103 m² | +25 m² +32% | 2025 |
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| 23, Whiterock Place503 m away | 62 m² | 87 m² | +25 m² +40% | 2021 |
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| 59, Kingston Lane811 m away | 74 m² | 99 m² | +25 m² +34% | 2021 |
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| 15, Wolseley Road890 m away | 78 m² | 103 m² | +25 m² +32% | 2021 |
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| 95, Mile Oak Road966 m away | 78 m² | 103 m² | +25 m² +32% | 2021 |
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| 16, Mile Oak Gardens856 m away | 74 m² | 99 m² | +25 m² +34% | 2019 |
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| 58, Underdown Road496 m away | 69 m² | 94 m² | +25 m² +36% | 2015 |
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| 28, Croft Avenue398 m away | 124 m² | 149 m² | +25 m² +20% | 2014 |
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| 74, Downland Avenue673 m away | 89 m² | 114 m² | +25 m² +28% | 2012 |
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| 272, Old Shoreham Road440 m away | 103 m² | 127 m² | +24 m² +23% | 2023 |
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| 32, Melrose Avenue742 m away | 84 m² | 108 m² | +24 m² +29% | 2023 |
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| 76, Crown Road939 m away | 82 m² | 106 m² | +24 m² +29% | 2021 |
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| 275, Albion Street608 m away | 89 m² | 113 m² | +24 m² +27% | 2020 |
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| 27, Holmbush Way993 m away | 63 m² | 87 m² | +24 m² +38% | 2020 |
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| 8, Fairdene539 m away | 70 m² | 94 m² | +24 m² +34% | 2013 |
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| 35, Highdown750 m away | 64 m² | 87 m² | +23 m² +36% | 2025 |
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| 31, Overhill536 m away | 77 m² | 100 m² | +23 m² +30% | 2023 |
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| 49, The Gardens499 m away | 79 m² | 102 m² | +23 m² +29% | 2021 |
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| 34, Downland Avenue814 m away | 83 m² | 106 m² | +23 m² +28% | 2018 |
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| 43, Kingston Lane797 m away | 75 m² | 98 m² | +23 m² +31% | 2015 |
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| 158, Manor Hall Road609 m away | 111 m² | 134 m² | +23 m² +21% | 2014 |
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| 11, Holmbush Way993 m away | 91 m² | 114 m² | +23 m² +25% | 2014 |
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| 2, Overhill524 m away | 97 m² | 119 m² | +22 m² +23% | 2025 |
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| 28, Downsway518 m away | 58 m² | 80 m² | +22 m² +38% | 2022 |
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| 77, Overhill824 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
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| 30, Mile Oak Gardens856 m away | 117 m² | 139 m² | +22 m² +19% | 2022 |
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| 28, Melrose Avenue742 m away | 69 m² | 91 m² | +22 m² +32% | 2021 |
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| 14, Melrose Avenue742 m away | 66 m² | 88 m² | +22 m² +33% | 2016 |
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| 56, Holmbush Way883 m away | 71 m² | 93 m² | +22 m² +31% | 2014 |
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| 12, Amelia Close368 m away | 61 m² | 82 m² | +21 m² +34% | 2019 |
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| 4, Albert Road658 m away | 96 m² | 116 m² | +20 m² +21% | 2026 |
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| 28a, Victoria Road767 m away | 49 m² | 69 m² | +20 m² +41% | 2025 |
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| 32, Old Barn Way656 m away | 66 m² | 86 m² | +20 m² +30% | 2023 |
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| 3, Applesham Way859 m away | 86 m² | 106 m² | +20 m² +23% | 2023 |
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| Flat 2, 96, Cross Road738 m away | 43 m² | 63 m² | +20 m² +47% | 2020 |
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| 1, Twitten Close494 m away | 104 m² | 124 m² | +20 m² +19% | 2019 |
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| 28, Downland Avenue814 m away | 118 m² | 138 m² | +20 m² +17% | 2019 |
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| 192, Manor Hall Road895 m away | 81 m² | 100 m² | +19 m² +23% | 2021 |
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| 114, Old Shoreham Road588 m away | 104 m² | 123 m² | +19 m² +18% | 2018 |
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| 69, Mile Oak Road604 m away | 86 m² | 105 m² | +19 m² +22% | 2018 |
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| 89, Mile Oak Road604 m away | 74 m² | 93 m² | +19 m² +26% | 2014 |
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| 5, Meadow Close488 m away | 101 m² | 119 m² | +18 m² +18% | 2025 |
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| 14, Upper Kingston Lane932 m away | 75 m² | 93 m² | +18 m² +24% | 2025 |
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| 12, Old Barn Way656 m away | 76 m² | 94 m² | +18 m² +24% | 2021 |
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| 244, Old Shoreham Road324 m away | 99 m² | 117 m² | +18 m² +18% | 2015 |
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| 18, Brasslands Drive963 m away | 78 m² | 96 m² | +18 m² +23% | 2014 |
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| 3, Albert Road658 m away | 95 m² | 112 m² | +17 m² +18% | 2026 |
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| 43, Holmbush Way883 m away | 110 m² | 127 m² | +17 m² +15% | 2026 |
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| 40, Old Barn Way656 m away | 86 m² | 103 m² | +17 m² +20% | 2022 |
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| 126, The Gardens643 m away | 72 m² | 89 m² | +17 m² +24% | 2020 |
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| 94, Old Shoreham Road738 m away | 78 m² | 95 m² | +17 m² +22% | 2020 |
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| 4, Summersdeane812 m away | 87 m² | 104 m² | +17 m² +20% | 2019 |
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| 42, Phoenix Way604 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
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| 7, Water Dyke Avenue695 m away | 60 m² | 76 m² | +16 m² +27% | 2022 |
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| 53, The Green541 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 133, The Gardens639 m away | 72 m² | 88 m² | +16 m² +22% | 2020 |
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| 7, Applesham Way859 m away | 85 m² | 100 m² | +15 m² +18% | 2025 |
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| 29, Melrose Avenue776 m away | 84 m² | 99 m² | +15 m² +18% | 2023 |
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| 12, Old Shoreham Road778 m away | 84 m² | 99 m² | +15 m² +18% | 2021 |
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| 37, Newtimber Drive817 m away | 50 m² | 65 m² | +15 m² +30% | 2019 |
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| 23, Applesham Way859 m away | 87 m² | 102 m² | +15 m² +17% | 2018 |
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| 37, King George Road989 m away | 70 m² | 85 m² | +15 m² +21% | 2015 |
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| 186, Manor Hall Road895 m away | 89 m² | 104 m² | +15 m² +17% | 2013 |
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