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 BH21 1RG
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 |
|---|---|---|---|---|
| 49, Oakley Hill490 m away | 101 m² | 240 m² | +139 m² +138% | 2011 |
| Hideaway, 24, Rowlands Hill856 m away | 231 m² | 342 m² | +111 m² +48% | 2010 |
| 20, Rowlands Hill856 m away | 277 m² | 357 m² | +80 m² +29% | 2017 |
| 7, Parmiter Drive930 m away | 96 m² | 175 m² | +79 m² +82% | 2017 |
| 49, Merley Ways560 m away | 102 m² | 179 m² | +77 m² +75% | 2022 |
| 15, Brookside Road977 m away | 75 m² | 148 m² | +73 m² +97% | 2026 |
| 23, St Johns Hill701 m away | 152 m² | 225 m² | +73 m² +48% | 2021 |
| 35, Merley Ways560 m away | 74 m² | 135 m² | +61 m² +82% | 2024 |
| 14, Derwentwater Road495 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.
| 60 m² |
| 118 m² |
| +58 m² +97% |
| 2023 |
| 2, Grove Road336 m away | 140 m² | 195 m² | +55 m² +39% | 2016 |
|---|
| 3, Cuthburga Road720 m away | 101 m² | 154 m² | +53 m² +52% | 2020 |
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| 16, Parmiter Drive892 m away | 94 m² | 147 m² | +53 m² +56% | 2018 |
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| 30, Crescent Road439 m away | 92 m² | 142 m² | +50 m² +54% | 2014 |
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| 76, Leigh Road462 m away | 109 m² | 154 m² | +45 m² +41% | 2020 |
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| 24, New Borough Road127 m away | 104 m² | 149 m² | +45 m² +43% | 2016 |
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| 13, Parmiter Way807 m away | 101 m² | 145 m² | +44 m² +44% | 2024 |
|---|
| 60, Leigh Road510 m away | 110 m² | 154 m² | +44 m² +40% | 2022 |
|---|
| 7, Rowlands Hill909 m away | 168 m² | 211 m² | +43 m² +26% | 2014 |
|---|
| 37, Merley Ways560 m away | 76 m² | 116 m² | +40 m² +53% | 2024 |
|---|
| 5, Pine Tree Close880 m away | 159 m² | 198 m² | +39 m² +25% | 2010 |
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| 15, Crescent Road439 m away | 109 m² | 147 m² | +38 m² +35% | 2025 |
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| 38, Merley Ways576 m away | 64 m² | 102 m² | +38 m² +59% | 2015 |
|---|
| 1, Cuthburga Road720 m away | 128 m² | 165 m² | +37 m² +29% | 2017 |
|---|
| Flat 17, Grangewood Hall, Cranfield Avenue822 m away | 82 m² | 117 m² | +35 m² +43% | 2022 |
|---|
| 15, Hornbeam Way958 m away | 61 m² | 96 m² | +35 m² +57% | 2013 |
|---|
| 115, Merley Ways467 m away | 117 m² | 150 m² | +33 m² +28% | 2016 |
|---|
| 40, Greenhays Rise952 m away | 52 m² | 84 m² | +32 m² +62% | 2018 |
|---|
| 1, Millstream Close781 m away | 74 m² | 105 m² | +31 m² +42% | 2014 |
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| 19, Barnes Crescent551 m away | 54 m² | 84 m² | +30 m² +56% | 2023 |
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| 129, Merley Ways376 m away | 139 m² | 169 m² | +30 m² +22% | 2022 |
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| 41, Avenue Road262 m away | 174 m² | 204 m² | +30 m² +17% | 2013 |
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| 20, Brookside Road977 m away | 74 m² | 103 m² | +29 m² +39% | 2025 |
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| 114, Leigh Road472 m away | 108 m² | 135 m² | +27 m² +25% | 2016 |
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| 32, St Catherines439 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
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| 32, New Borough Road172 m away | 131 m² | 157 m² | +26 m² +20% | 2018 |
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| 6, Oakley Hill497 m away | 124 m² | 149 m² | +25 m² +20% | 2022 |
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| 8, Crescent Road439 m away | 81 m² | 105 m² | +24 m² +30% | 2024 |
|---|
| 15, Cuthburga Road720 m away | 74 m² | 98 m² | +24 m² +32% | 2015 |
|---|
| 9, Derwentwater Road495 m away | 77 m² | 101 m² | +24 m² +31% | 2011 |
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| 25, St Johns Hill701 m away | 132 m² | 154 m² | +22 m² +17% | 2021 |
|---|
| 6, Parmiter Way807 m away | 69 m² | 91 m² | +22 m² +32% | 2018 |
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| 28, St Catherines439 m away | 123 m² | 144 m² | +21 m² +17% | 2024 |
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| 32, High Street913 m away | 52 m² | 73 m² | +21 m² +40% | 2012 |
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| 123, Pottle Walk316 m away | 121 m² | 141 m² | +20 m² +17% | 2026 |
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| 6, Harleston Villas540 m away | 89 m² | 109 m² | +20 m² +22% | 2025 |
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| 87, Merley Ways576 m away | 107 m² | 127 m² | +20 m² +19% | 2023 |
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| 5, Greenhays Rise952 m away | 113 m² | 133 m² | +20 m² +18% | 2020 |
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| 22, Ashdene Close797 m away | 110 m² | 129 m² | +19 m² +17% | 2023 |
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| 6, Leigh Road618 m away | 86 m² | 105 m² | +19 m² +22% | 2021 |
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| 17, Parkwood Road610 m away | 63 m² | 82 m² | +19 m² +30% | 2020 |
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| 57, Newmans Close68 m away | 64 m² | 83 m² | +19 m² +30% | 2019 |
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| 5, Harleston Villas540 m away | 88 m² | 107 m² | +19 m² +22% | 2018 |
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| 4, St Johns Hill504 m away | 126 m² | 145 m² | +19 m² +15% | 2012 |
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| 18, Leigh Road618 m away | 45 m² | 63 m² | +18 m² +40% | 2021 |
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| Flat 3, Glen Ashton, 44, Rowlands Hill984 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
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| 14, Ullswater Road531 m away | 69 m² | 86 m² | +17 m² +25% | 2026 |
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| 14, Richmond Road373 m away | 85 m² | 102 m² | +17 m² +20% | 2017 |
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| 15, Station Road0 m away | 87 m² | 103 m² | +16 m² +18% | 2022 |
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| Flat 1, 1, Station Road0 m away | 45 m² | 61 m² | +16 m² +36% | 2017 |
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| 2, Station Terrace192 m away | 79 m² | 95 m² | +16 m² +20% | 2016 |
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| 60, Grove Road336 m away | 61 m² | 77 m² | +16 m² +26% | 2013 |
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| 40, Merley Ways576 m away | 61 m² | 77 m² | +16 m² +26% | 2013 |
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| 58, Parkwood Road589 m away | 44 m² | 60 m² | +16 m² +36% | 2009 |
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| 14, Parmiter Drive892 m away | 77 m² | 92 m² | +15 m² +19% | 2023 |
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| 13, Parmiter Drive930 m away | 80 m² | 95 m² | +15 m² +19% | 2017 |
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| 107, Leigh Road478 m away | 77 m² | 92 m² | +15 m² +19% | 2016 |
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| 4, Station Terrace192 m away | 70 m² | 85 m² | +15 m² +21% | 2015 |
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