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 4HS
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 |
|---|---|---|---|---|
| 8, St Julians Lane889 m away | 122 m² | 236 m² | +114 m² +93% | 2025 |
| 2, Southwick Street925 m away | 125 m² | 232 m² | +107 m² +86% | 2014 |
| 36, Oldfield Crescent528 m away | 128 m² | 229 m² | +101 m² +79% | 2024 |
| 1, Old Rectory Gardens549 m away | 86 m² | 187 m² | +101 m² +117% | 2024 |
| 25, Overhill475 m away | 66 m² | 152 m² | +86 m² +130% | 2024 |
| 7, Southdown Road680 m away | 220 m² | 306 m² | +86 m² +39% | 2021 |
| 7, Mulberry Close293 m away | 94 m² | 179 m² | +85 m² +90% | 2013 |
| 63, Hill Farm Way619 m away | 82 m² | 161 m² | +79 m² +96% | 2018 |
| 7, Hillside606 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.
| 83 m² |
| 160 m² |
| +77 m² +93% |
| 2024 |
| 26, Manor Hall Road786 m away | 87 m² | 161 m² | +74 m² +85% | 2015 |
|---|
| The Old Rectory Cottage, 55c, Kingston Lane673 m away | 75 m² | 147 m² | +72 m² +96% | 2021 |
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| 4, Roman Road514 m away | 69 m² | 140 m² | +71 m² +103% | 2020 |
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| 5, Sandown Road414 m away | 70 m² | 141 m² | +71 m² +101% | 2017 |
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| 6, Eastbank836 m away | 76 m² | 143 m² | +67 m² +88% | 2022 |
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| 30, Overhill516 m away | 79 m² | 146 m² | +67 m² +85% | 2019 |
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| 27, Fairfield Close885 m away | 54 m² | 120 m² | +66 m² +122% | 2020 |
|---|
| 19, Southview Close909 m away | 70 m² | 136 m² | +66 m² +94% | 2011 |
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| 36, Cross Road265 m away | 94 m² | 158 m² | +64 m² +68% | 2015 |
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| 81, The Crescent667 m away | 100 m² | 163 m² | +63 m² +63% | 2022 |
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| 98, Williams Road907 m away | 78 m² | 140 m² | +62 m² +79% | 2015 |
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| 5, Hawkins Crescent575 m away | 84 m² | 144 m² | +60 m² +71% | 2024 |
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| 3, Hawkins Road365 m away | 63 m² | 122 m² | +59 m² +94% | 2026 |
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| 7, Paythorne Close424 m away | 84 m² | 143 m² | +59 m² +70% | 2025 |
|---|
| 26, Eastbank836 m away | 72 m² | 131 m² | +59 m² +82% | 2021 |
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| 8, Old Shoreham Road0 m away | 74 m² | 132 m² | +58 m² +78% | 2015 |
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| 10, Kings Road221 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
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| 11, The Crescent667 m away | 97 m² | 151 m² | +54 m² +56% | 2025 |
|---|
| 108, The Crescent989 m away | 99 m² | 152 m² | +53 m² +54% | 2021 |
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| 24, Rectory Road787 m away | 91 m² | 143 m² | +52 m² +57% | 2026 |
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| 70, Underdown Road255 m away | 107 m² | 158 m² | +51 m² +48% | 2025 |
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| 7, Thyme Close827 m away | 74 m² | 125 m² | +51 m² +69% | 2024 |
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| 139, Upper Shoreham Road805 m away | 86 m² | 137 m² | +51 m² +59% | 2020 |
|---|
| 10, Juniper Walk891 m away | 52 m² | 103 m² | +51 m² +98% | 2020 |
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| 20, Millcroft Avenue384 m away | 65 m² | 114 m² | +49 m² +75% | 2022 |
|---|
| 88, Overhill541 m away | 87 m² | 135 m² | +48 m² +55% | 2026 |
|---|
| 86, Holmbush Way442 m away | 128 m² | 176 m² | +48 m² +38% | 2017 |
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| 39, The Green759 m away | 38 m² | 85 m² | +47 m² +124% | 2023 |
|---|
| 84, Southview Road331 m away | 135 m² | 182 m² | +47 m² +35% | 2022 |
|---|
| 5, Park Way890 m away | 67 m² | 114 m² | +47 m² +70% | 2019 |
|---|
| 40, Fairfield Close885 m away | 80 m² | 126 m² | +46 m² +57% | 2017 |
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| 33, Greenways735 m away | 81 m² | 127 m² | +46 m² +57% | 2013 |
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| 43, Rosemary Drive792 m away | 74 m² | 119 m² | +45 m² +61% | 2023 |
|---|
| 83, Downsway765 m away | 72 m² | 116 m² | +44 m² +61% | 2024 |
|---|
| 19, Kingston Close657 m away | 47 m² | 91 m² | +44 m² +94% | 2021 |
|---|
| 6, Phoenix Way243 m away | 59 m² | 102 m² | +43 m² +73% | 2022 |
|---|
| 48, Roman Way438 m away | 94 m² | 137 m² | +43 m² +46% | 2020 |
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| 34, Fairfield Close885 m away | 51 m² | 93 m² | +42 m² +82% | 2023 |
|---|
| 2, Larke Close796 m away | 77 m² | 119 m² | +42 m² +55% | 2022 |
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| 28, Buci Crescent682 m away | 79 m² | 121 m² | +42 m² +53% | 2016 |
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| 19, Millcroft Avenue384 m away | 84 m² | 125 m² | +41 m² +49% | 2024 |
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| 13, Mile Oak Road812 m away | 90 m² | 131 m² | +41 m² +46% | 2022 |
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| 2, Old Rectory Gardens549 m away | 103 m² | 144 m² | +41 m² +40% | 2018 |
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| 53, Downland Avenue169 m away | 86 m² | 127 m² | +41 m² +48% | 2017 |
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| 17, Kingston Way346 m away | 77 m² | 115 m² | +38 m² +49% | 2026 |
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| 239, Old Shoreham Road996 m away | 148 m² | 186 m² | +38 m² +26% | 2014 |
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| 5, Spinnals Grove847 m away | 128 m² | 165 m² | +37 m² +29% | 2022 |
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| 7, Millcroft Gardens420 m away | 123 m² | 159 m² | +36 m² +29% | 2025 |
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| 11, Upton Avenue608 m away | 69 m² | 105 m² | +36 m² +52% | 2020 |
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| 58, Mile Oak Road972 m away | 53 m² | 89 m² | +36 m² +68% | 2014 |
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| 31, Fairfield Close885 m away | 78 m² | 113 m² | +35 m² +45% | 2025 |
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| 20, Sandown Road414 m away | 103 m² | 138 m² | +35 m² +34% | 2018 |
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| 167, Upper Shoreham Road805 m away | 100 m² | 134 m² | +34 m² +34% | 2026 |
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| 25, Hawkins Road365 m away | 114 m² | 148 m² | +34 m² +30% | 2025 |
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| 38, Fairfield Close885 m away | 56 m² | 90 m² | +34 m² +61% | 2019 |
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| 30, Hawkins Road367 m away | 107 m² | 141 m² | +34 m² +32% | 2015 |
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| 22, Mile Oak Road780 m away | 100 m² | 134 m² | +34 m² +34% | 2015 |
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| 120, Downsway822 m away | 65 m² | 98 m² | +33 m² +51% | 2026 |
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| 34, Holmbush Way366 m away | 75 m² | 108 m² | +33 m² +44% | 2025 |
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| 2, The Barn, The Green644 m away | 106 m² | 139 m² | +33 m² +31% | 2017 |
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| 46, Southwick Street722 m away | 93 m² | 126 m² | +33 m² +35% | 2014 |
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| 32, Upper Kingston Lane419 m away | 60 m² | 92 m² | +32 m² +53% | 2024 |
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| 26, Downland Avenue91 m away | 82 m² | 114 m² | +32 m² +39% | 2022 |
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| 17, Southview Road410 m away | 49 m² | 81 m² | +32 m² +65% | 2016 |
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| 77, Meadway Court466 m away | 45 m² | 77 m² | +32 m² +71% | 2015 |
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| 110, Southwick Street587 m away | 82 m² | 114 m² | +32 m² +39% | 2015 |
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| 49, Kingston Lane281 m away | 137 m² | 169 m² | +32 m² +23% | 2013 |
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| 110, The Crescent989 m away | 122 m² | 153 m² | +31 m² +25% | 2025 |
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| 39, Rosemary Drive792 m away | 74 m² | 104 m² | +30 m² +41% | 2026 |
|---|
| 71, Franklin Road385 m away | 64 m² | 94 m² | +30 m² +47% | 2024 |
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| 34, Roman Way438 m away | 85 m² | 115 m² | +30 m² +35% | 2024 |
|---|
| 21, Underdown Road209 m away | 88 m² | 117 m² | +29 m² +33% | 2026 |
|---|
| 5, Greenways735 m away | 60 m² | 89 m² | +29 m² +48% | 2023 |
|---|
| 15, Querneby Close859 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
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| 56, Kingston Lane270 m away | 88 m² | 116 m² | +28 m² +32% | 2025 |
|---|
| 19, The Green819 m away | 130 m² | 158 m² | +28 m² +22% | 2025 |
|---|
| 10, Ridgeway Close966 m away | 122 m² | 150 m² | +28 m² +23% | 2025 |
|---|
| 7, Hawkins Road365 m away | 67 m² | 95 m² | +28 m² +42% | 2022 |
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| 95, Downsway765 m away | 97 m² | 125 m² | +28 m² +29% | 2020 |
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| 19, Cross Road323 m away | 123 m² | 151 m² | +28 m² +23% | 2018 |
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| 5, Millcroft Avenue384 m away | 74 m² | 101 m² | +27 m² +36% | 2025 |
|---|
| 153, Downsway782 m away | 58 m² | 85 m² | +27 m² +47% | 2024 |
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| 15, The Drive318 m away | 90 m² | 117 m² | +27 m² +30% | 2023 |
|---|
| 39, Underdown Road209 m away | 85 m² | 112 m² | +27 m² +32% | 2020 |
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| 46, Williams Road995 m away | 97 m² | 124 m² | +27 m² +28% | 2019 |
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| 25, Roman Way438 m away | 101 m² | 127 m² | +26 m² +26% | 2025 |
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| 104, Southwick Street587 m away | 81 m² | 107 m² | +26 m² +32% | 2024 |
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| 7, Parklands814 m away | 25 m² | 51 m² | +26 m² +104% | 2023 |
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| 32, Victoria Road925 m away | 122 m² | 148 m² | +26 m² +21% | 2022 |
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| 4, Ashcroft Close643 m away | 62 m² | 88 m² | +26 m² +42% | 2020 |
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| 26, Cross Road265 m away | 87 m² | 113 m² | +26 m² +30% | 2019 |
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| 21, Cross Road323 m away | 115 m² | 141 m² | +26 m² +23% | 2017 |
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| 42, Highdown885 m away | 65 m² | 91 m² | +26 m² +40% | 2016 |
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| 35, Franklin Road385 m away | 82 m² | 107 m² | +25 m² +30% | 2026 |
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| 60, Southwick Street587 m away | 110 m² | 135 m² | +25 m² +23% | 2025 |
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| 51a, Downsway663 m away | 78 m² | 103 m² | +25 m² +32% | 2025 |
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| 59, Kingston Lane673 m away | 74 m² | 99 m² | +25 m² +34% | 2021 |
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| 58, Underdown Road255 m away | 69 m² | 94 m² | +25 m² +36% | 2015 |
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| 74, Downland Avenue165 m away | 89 m² | 114 m² | +25 m² +28% | 2012 |
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| 272, Old Shoreham Road973 m away | 103 m² | 127 m² | +24 m² +23% | 2023 |
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| 38, Hammy Close881 m away | 56 m² | 80 m² | +24 m² +43% | 2022 |
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| 27, Holmbush Way366 m away | 63 m² | 87 m² | +24 m² +38% | 2020 |
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| 8, Fairdene810 m away | 70 m² | 94 m² | +24 m² +34% | 2013 |
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| 35, Highdown890 m away | 64 m² | 87 m² | +23 m² +36% | 2025 |
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| 6, Hawkins Close466 m away | 63 m² | 86 m² | +23 m² +37% | 2023 |
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| 31, Overhill475 m away | 77 m² | 100 m² | +23 m² +30% | 2023 |
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| 17, Rosemary Drive792 m away | 81 m² | 104 m² | +23 m² +28% | 2022 |
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| 34, Downland Avenue91 m away | 83 m² | 106 m² | +23 m² +28% | 2018 |
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| 43, Kingston Lane281 m away | 75 m² | 98 m² | +23 m² +31% | 2015 |
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| 11, Holmbush Way366 m away | 91 m² | 114 m² | +23 m² +25% | 2014 |
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| 2, Overhill516 m away | 97 m² | 119 m² | +22 m² +23% | 2025 |
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| 77, Overhill508 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
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| 28, Downsway701 m away | 58 m² | 80 m² | +22 m² +38% | 2022 |
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| 56, Holmbush Way420 m away | 71 m² | 93 m² | +22 m² +31% | 2014 |
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| 132, Downsway782 m away | 81 m² | 102 m² | +21 m² +26% | 2025 |
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| 17, Querneby Close859 m away | 57 m² | 78 m² | +21 m² +37% | 2022 |
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| 155b, Middle Road941 m away | 69 m² | 90 m² | +21 m² +30% | 2022 |
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| 39, Kingston Close657 m away | 39 m² | 60 m² | +21 m² +54% | 2020 |
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| 12, Amelia Close941 m away | 61 m² | 82 m² | +21 m² +34% | 2019 |
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| 4, Albert Road761 m away | 96 m² | 116 m² | +20 m² +21% | 2026 |
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| 28a, Victoria Road925 m away | 49 m² | 69 m² | +20 m² +41% | 2025 |
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| 80, Mansell Road955 m away | 86 m² | 106 m² | +20 m² +23% | 2025 |
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| 28, Kingston Close657 m away | 57 m² | 77 m² | +20 m² +35% | 2024 |
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| 130, Downsway782 m away | 79 m² | 99 m² | +20 m² +25% | 2023 |
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| 29, Williams Road995 m away | 86 m² | 106 m² | +20 m² +23% | 2023 |
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| Flat 2, 96, Cross Road111 m away | 43 m² | 63 m² | +20 m² +47% | 2020 |
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| 28, Downland Avenue91 m away | 118 m² | 138 m² | +20 m² +17% | 2019 |
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| 1, Twitten Close876 m away | 104 m² | 124 m² | +20 m² +19% | 2019 |
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| 5, Fairfield Close885 m away | 80 m² | 100 m² | +20 m² +25% | 2018 |
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| 70, Hill Farm Way521 m away | 63 m² | 82 m² | +19 m² +30% | 2022 |
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| 63, Hawkins Road367 m away | 92 m² | 111 m² | +19 m² +21% | 2020 |
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| 114, Old Shoreham Road181 m away | 104 m² | 123 m² | +19 m² +18% | 2018 |
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| 69, Mile Oak Road960 m away | 86 m² | 105 m² | +19 m² +22% | 2018 |
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| 36, Stoney Lane538 m away | 83 m² | 102 m² | +19 m² +23% | 2016 |
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| 89, Mile Oak Road960 m away | 74 m² | 93 m² | +19 m² +26% | 2014 |
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| 6, Holmbush Close632 m away | 63 m² | 82 m² | +19 m² +30% | 2010 |
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| 14, Upper Kingston Lane209 m away | 75 m² | 93 m² | +18 m² +24% | 2025 |
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| 151, Downsway782 m away | 84 m² | 102 m² | +18 m² +21% | 2023 |
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| 43, Wilmot Road875 m away | 75 m² | 93 m² | +18 m² +24% | 2020 |
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| 163, Middle Road941 m away | 83 m² | 101 m² | +18 m² +22% | 2020 |
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| 244, Old Shoreham Road766 m away | 99 m² | 117 m² | +18 m² +18% | 2015 |
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| 43, Holmbush Way420 m away | 110 m² | 127 m² | +17 m² +15% | 2026 |
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| 3, Albert Road761 m away | 95 m² | 112 m² | +17 m² +18% | 2026 |
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| 94, Old Shoreham Road0 m away | 78 m² | 95 m² | +17 m² +22% | 2020 |
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| 4, Summersdeane822 m away | 87 m² | 104 m² | +17 m² +20% | 2019 |
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| 42, Phoenix Way322 m away | 85 m² | 101 m² | +16 m² +19% | 2025 |
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| 7, Water Dyke Avenue933 m away | 60 m² | 76 m² | +16 m² +27% | 2022 |
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| 53, The Green759 m away | 75 m² | 91 m² | +16 m² +21% | 2021 |
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| 9, Hill Farm Way455 m away | 70 m² | 86 m² | +16 m² +23% | 2017 |
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| 6, Mulberry Close293 m away | 89 m² | 104 m² | +15 m² +17% | 2026 |
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| 18, Southview Close909 m away | 68 m² | 83 m² | +15 m² +22% | 2025 |
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| 7, Buci Crescent682 m away | 54 m² | 69 m² | +15 m² +28% | 2024 |
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| 55, Hawkins Road367 m away | 59 m² | 74 m² | +15 m² +25% | 2018 |
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| 56, Hill Farm Way521 m away | 66 m² | 81 m² | +15 m² +23% | 2018 |
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| 39, Buci Crescent682 m away | 42 m² | 57 m² | +15 m² +36% | 2016 |
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| 9, Southview Close909 m away | 74 m² | 89 m² | +15 m² +20% | 2016 |
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| 37, King George Road356 m away | 70 m² | 85 m² | +15 m² +21% | 2015 |
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