Finding extended homes…
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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 4WF
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 |
|---|---|---|---|---|
| 21, Oakdene Crescent644 m away | 134 m² | 235 m² | +101 m² +75% | 2012 |
| 25, Overhill557 m away | 66 m² | 152 m² | +86 m² +130% | 2024 |
| 7, Mulberry Close791 m away | 94 m² | 179 m² | +85 m² +90% | 2013 |
| 63, Hill Farm Way208 m away | 82 m² | 161 m² | +79 m² +96% | 2018 |
| 7, Hillside598 m away | 83 m² | 160 m² | +77 m² +93% | 2024 |
| 4, Roman Road795 m away | 69 m² | 140 m² | +71 m² +103% | 2020 |
| 65, Chalky Road781 m away | 84 m² | 153 m² | +69 m² +82% | 2014 |
| 6, Eastbank588 m away | 76 m² | 143 m² | +67 m² +88% | 2022 |
| 30, Overhill564 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.
| 146 m² |
| +67 m² +85% |
| 2019 |
| 33, Beechers Road629 m away | 59 m² | 126 m² | +67 m² +114% | 2019 |
|---|
| 36, Cross Road964 m away | 94 m² | 158 m² | +64 m² +68% | 2015 |
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| 81, The Crescent892 m away | 100 m² | 163 m² | +63 m² +63% | 2022 |
|---|
| 5, Hawkins Crescent671 m away | 84 m² | 144 m² | +60 m² +71% | 2024 |
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| 40, Stonery Close726 m away | 78 m² | 138 m² | +60 m² +77% | 2022 |
|---|
| 3, Hawkins Road728 m away | 63 m² | 122 m² | +59 m² +94% | 2026 |
|---|
| 7, Paythorne Close463 m away | 84 m² | 143 m² | +59 m² +70% | 2025 |
|---|
| 26, Eastbank588 m away | 72 m² | 131 m² | +59 m² +82% | 2021 |
|---|
| 8, Old Shoreham Road782 m away | 74 m² | 132 m² | +58 m² +78% | 2015 |
|---|
| 313, Mile Oak Road508 m away | 72 m² | 129 m² | +57 m² +79% | 2023 |
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| 214, Valley Road755 m away | 68 m² | 124 m² | +56 m² +82% | 2021 |
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| 19, Graham Avenue951 m away | 45 m² | 100 m² | +55 m² +122% | 2021 |
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| 10, Kings Road574 m away | 84 m² | 138 m² | +54 m² +64% | 2026 |
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| 11, The Crescent892 m away | 97 m² | 151 m² | +54 m² +56% | 2025 |
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| 31, Beechers Road629 m away | 56 m² | 110 m² | +54 m² +96% | 2011 |
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| 102, Drove Crescent814 m away | 59 m² | 112 m² | +53 m² +90% | 2015 |
|---|
| 70, Underdown Road887 m away | 107 m² | 158 m² | +51 m² +48% | 2025 |
|---|
| 20, Millcroft Avenue490 m away | 65 m² | 114 m² | +49 m² +75% | 2022 |
|---|
| 87, North Lane887 m away | 56 m² | 105 m² | +49 m² +88% | 2017 |
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| 88, Overhill285 m away | 87 m² | 135 m² | +48 m² +55% | 2026 |
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| 86, Holmbush Way359 m away | 128 m² | 176 m² | +48 m² +38% | 2017 |
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| 84, Southview Road804 m away | 135 m² | 182 m² | +47 m² +35% | 2022 |
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| 33, Greenways624 m away | 81 m² | 127 m² | +46 m² +57% | 2013 |
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| 79, Stanley Avenue771 m away | 45 m² | 90 m² | +45 m² +100% | 2026 |
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| 1, Stanley Avenue South635 m away | 69 m² | 114 m² | +45 m² +65% | 2023 |
|---|
| 192, Mile Oak Road612 m away | 71 m² | 116 m² | +45 m² +63% | 2022 |
|---|
| 83, Downsway242 m away | 72 m² | 116 m² | +44 m² +61% | 2024 |
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| 48, Roman Way881 m away | 94 m² | 137 m² | +43 m² +46% | 2020 |
|---|
| 19, Millcroft Avenue490 m away | 84 m² | 125 m² | +41 m² +49% | 2024 |
|---|
| 13, Mile Oak Road768 m away | 90 m² | 131 m² | +41 m² +46% | 2022 |
|---|
| 53, Downland Avenue622 m away | 86 m² | 127 m² | +41 m² +48% | 2017 |
|---|
| 95, North Lane887 m away | 63 m² | 103 m² | +40 m² +63% | 2022 |
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| 89, North Lane887 m away | 54 m² | 94 m² | +40 m² +74% | 2020 |
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| 354, Mile Oak Road654 m away | 107 m² | 145 m² | +38 m² +36% | 2026 |
|---|
| 74, Wickhurst Road633 m away | 74 m² | 112 m² | +38 m² +51% | 2016 |
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| 45, Prince Charles Close915 m away | 86 m² | 124 m² | +38 m² +44% | 2015 |
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| 239, Old Shoreham Road955 m away | 148 m² | 186 m² | +38 m² +26% | 2014 |
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| 42, Beechers Road629 m away | 129 m² | 165 m² | +36 m² +28% | 2026 |
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| 7, Millcroft Gardens493 m away | 123 m² | 159 m² | +36 m² +29% | 2025 |
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| 6, Delfryn469 m away | 83 m² | 119 m² | +36 m² +43% | 2022 |
|---|
| 11, Upton Avenue449 m away | 69 m² | 105 m² | +36 m² +52% | 2020 |
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| 58, Mile Oak Road757 m away | 53 m² | 89 m² | +36 m² +68% | 2014 |
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| 25, Stanley Avenue771 m away | 62 m² | 97 m² | +35 m² +56% | 2024 |
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| 25, Hawkins Road728 m away | 114 m² | 148 m² | +34 m² +30% | 2025 |
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| 8, Sefton Road731 m away | 83 m² | 117 m² | +34 m² +41% | 2023 |
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| 22, Mile Oak Road734 m away | 100 m² | 134 m² | +34 m² +34% | 2015 |
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| 30, Hawkins Road862 m away | 107 m² | 141 m² | +34 m² +32% | 2015 |
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| 120, Downsway250 m away | 65 m² | 98 m² | +33 m² +51% | 2026 |
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| 34, Holmbush Way518 m away | 75 m² | 108 m² | +33 m² +44% | 2025 |
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| 196, Valley Road755 m away | 84 m² | 117 m² | +33 m² +39% | 2020 |
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| 32, Upper Kingston Lane555 m away | 60 m² | 92 m² | +32 m² +53% | 2024 |
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| 26, Oakdene Crescent644 m away | 54 m² | 86 m² | +32 m² +59% | 2022 |
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| 26, Downland Avenue731 m away | 82 m² | 114 m² | +32 m² +39% | 2022 |
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| 17, Southview Road982 m away | 49 m² | 81 m² | +32 m² +65% | 2016 |
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| 110, Southwick Street884 m away | 82 m² | 114 m² | +32 m² +39% | 2015 |
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| 105, North Road978 m away | 71 m² | 102 m² | +31 m² +44% | 2015 |
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| 32, North Lane936 m away | 60 m² | 90 m² | +30 m² +50% | 2025 |
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| 34, Roman Way881 m away | 85 m² | 115 m² | +30 m² +35% | 2024 |
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| 3, Wickhurst Rise611 m away | 82 m² | 112 m² | +30 m² +37% | 2022 |
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| 21, Underdown Road862 m away | 88 m² | 117 m² | +29 m² +33% | 2026 |
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| 5, Greenways624 m away | 60 m² | 89 m² | +29 m² +48% | 2023 |
|---|
| 4, Mile Oak Road940 m away | 72 m² | 101 m² | +29 m² +40% | 2023 |
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| 28, Mile Oak Gardens809 m away | 107 m² | 136 m² | +29 m² +27% | 2015 |
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| 10, Ridgeway Close724 m away | 122 m² | 150 m² | +28 m² +23% | 2025 |
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| 7, Hawkins Road728 m away | 67 m² | 95 m² | +28 m² +42% | 2022 |
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| 95, Downsway242 m away | 97 m² | 125 m² | +28 m² +29% | 2020 |
|---|
| 18, Mile Oak Gardens809 m away | 75 m² | 103 m² | +28 m² +37% | 2016 |
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| 87, Graham Avenue951 m away | 44 m² | 72 m² | +28 m² +64% | 2016 |
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| 89, Mile Oak Road756 m away | 96 m² | 124 m² | +28 m² +29% | 2013 |
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| 5, Millcroft Avenue490 m away | 74 m² | 101 m² | +27 m² +36% | 2025 |
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| 153, Downsway0 m away | 58 m² | 85 m² | +27 m² +47% | 2024 |
|---|
| 110, Valley Road875 m away | 69 m² | 96 m² | +27 m² +39% | 2024 |
|---|
| 15, The Drive499 m away | 90 m² | 117 m² | +27 m² +30% | 2023 |
|---|
| 39, Underdown Road862 m away | 85 m² | 112 m² | +27 m² +32% | 2020 |
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| 367, Mile Oak Road767 m away | 106 m² | 132 m² | +26 m² +25% | 2026 |
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| 25, Roman Way881 m away | 101 m² | 127 m² | +26 m² +26% | 2025 |
|---|
| 104, Southwick Street884 m away | 81 m² | 107 m² | +26 m² +32% | 2024 |
|---|
| 35, Oakdene Crescent644 m away | 84 m² | 110 m² | +26 m² +31% | 2022 |
|---|
| 26, Cross Road964 m away | 87 m² | 113 m² | +26 m² +30% | 2019 |
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| 42, Highdown597 m away | 65 m² | 91 m² | +26 m² +40% | 2016 |
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| 18, Edgehill Way586 m away | 42 m² | 68 m² | +26 m² +62% | 2015 |
|---|
| 33, Mile Oak Gardens809 m away | 80 m² | 106 m² | +26 m² +33% | 2014 |
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| 51a, Downsway576 m away | 78 m² | 103 m² | +25 m² +32% | 2025 |
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| 60, Southwick Street884 m away | 110 m² | 135 m² | +25 m² +23% | 2025 |
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| 25, North Lane887 m away | 48 m² | 73 m² | +25 m² +52% | 2024 |
|---|
| 95, Mile Oak Road756 m away | 78 m² | 103 m² | +25 m² +32% | 2021 |
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| 16, Mile Oak Gardens809 m away | 74 m² | 99 m² | +25 m² +34% | 2019 |
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| 58, Underdown Road887 m away | 69 m² | 94 m² | +25 m² +36% | 2015 |
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| 74, Downland Avenue645 m away | 89 m² | 114 m² | +25 m² +28% | 2012 |
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| 272, Old Shoreham Road968 m away | 103 m² | 127 m² | +24 m² +23% | 2023 |
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| 27, Holmbush Way518 m away | 63 m² | 87 m² | +24 m² +38% | 2020 |
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| 8, Fairdene684 m away | 70 m² | 94 m² | +24 m² +34% | 2013 |
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| 35, Highdown546 m away | 64 m² | 87 m² | +23 m² +36% | 2025 |
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| 31, Overhill557 m away | 77 m² | 100 m² | +23 m² +30% | 2023 |
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| 6, Hawkins Close720 m away | 63 m² | 86 m² | +23 m² +37% | 2023 |
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| 34, Downland Avenue731 m away | 83 m² | 106 m² | +23 m² +28% | 2018 |
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| 11, Holmbush Way518 m away | 91 m² | 114 m² | +23 m² +25% | 2014 |
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| 1, Beech Close560 m away | 73 m² | 96 m² | +23 m² +32% | 2014 |
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| 2, Overhill564 m away | 97 m² | 119 m² | +22 m² +23% | 2025 |
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| 77, Overhill298 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
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| 28, Downsway621 m away | 58 m² | 80 m² | +22 m² +38% | 2022 |
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| 30, Mile Oak Gardens809 m away | 117 m² | 139 m² | +22 m² +19% | 2022 |
|---|
| 56, Holmbush Way364 m away | 71 m² | 93 m² | +22 m² +31% | 2014 |
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| 132, Downsway0 m away | 81 m² | 102 m² | +21 m² +26% | 2025 |
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| 32, Oakdene Crescent644 m away | 54 m² | 75 m² | +21 m² +39% | 2022 |
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| 4, Beech Close560 m away | 62 m² | 83 m² | +21 m² +34% | 2014 |
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| 130, Downsway0 m away | 79 m² | 99 m² | +20 m² +25% | 2023 |
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| Flat 2, 96, Cross Road892 m away | 43 m² | 63 m² | +20 m² +47% | 2020 |
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| 56, Heathfield Crescent905 m away | 71 m² | 91 m² | +20 m² +28% | 2020 |
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| 28, Downland Avenue731 m away | 118 m² | 138 m² | +20 m² +17% | 2019 |
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| 70, Hill Farm Way328 m away | 63 m² | 82 m² | +19 m² +30% | 2022 |
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| 63, Hawkins Road862 m away | 92 m² | 111 m² | +19 m² +21% | 2020 |
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| 114, Old Shoreham Road713 m away | 104 m² | 123 m² | +19 m² +18% | 2018 |
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| 69, Mile Oak Road784 m away | 86 m² | 105 m² | +19 m² +22% | 2018 |
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| 66, North Road942 m away | 59 m² | 78 m² | +19 m² +32% | 2016 |
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| 89, Mile Oak Road784 m away | 74 m² | 93 m² | +19 m² +26% | 2014 |
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| 6, Holmbush Close759 m away | 63 m² | 82 m² | +19 m² +30% | 2010 |
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| 14, Upper Kingston Lane716 m away | 75 m² | 93 m² | +18 m² +24% | 2025 |
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| 151, Downsway0 m away | 84 m² | 102 m² | +18 m² +21% | 2023 |
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| 207, Valley Road653 m away | 57 m² | 75 m² | +18 m² +32% | 2019 |
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| 244, Old Shoreham Road849 m away | 99 m² | 117 m² | +18 m² +18% | 2015 |
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| 18, Brasslands Drive633 m away | 78 m² | 96 m² | +18 m² +23% | 2014 |
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| 43, Holmbush Way364 m away | 110 m² | 127 m² | +17 m² +15% | 2026 |
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| 3, Oakdene Crescent644 m away | 51 m² | 68 m² | +17 m² +33% | 2024 |
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| 44, Stanley Avenue738 m away | 83 m² | 100 m² | +17 m² +20% | 2020 |
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| 94, Old Shoreham Road782 m away | 78 m² | 95 m² | +17 m² +22% | 2020 |
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| 4, Summersdeane401 m away | 87 m² | 104 m² | +17 m² +20% | 2019 |
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| 52, Beechers Road629 m away | 80 m² | 96 m² | +16 m² +20% | 2025 |
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| 6, Graham Avenue937 m away | 61 m² | 77 m² | +16 m² +26% | 2019 |
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| 9, Hill Farm Way491 m away | 70 m² | 86 m² | +16 m² +23% | 2017 |
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| 6, Mulberry Close791 m away | 89 m² | 104 m² | +15 m² +17% | 2026 |
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| 78, Wickhurst Road633 m away | 79 m² | 94 m² | +15 m² +19% | 2025 |
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| 54, North Lane936 m away | 63 m² | 78 m² | +15 m² +24% | 2024 |
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| 60, North Road942 m away | 59 m² | 74 m² | +15 m² +25% | 2023 |
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| 56, Hill Farm Way328 m away | 66 m² | 81 m² | +15 m² +23% | 2018 |
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| 55, Hawkins Road862 m away | 59 m² | 74 m² | +15 m² +25% | 2018 |
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