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 RH12 1SR
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 |
|---|---|---|---|---|
| Abbots Lee, Farthings Hill386 m away | 224 m² | 526 m² | +302 m² +135% | 2011 |
| Little Thrift, Farthings Hill386 m away | 163 m² | 312 m² | +149 m² +91% | 2011 |
| 82, Irwin Drive449 m away | 106 m² | 207 m² | +101 m² +95% | 2022 |
| 59, Hill Mead954 m away | 81 m² | 177 m² | +96 m² +119% | 2022 |
| 37, Guildford Road482 m away | 136 m² | 209 m² | +73 m² +54% | 2024 |
| 21, Caffyn Place862 m away | 89 m² | 161 m² | +72 m² +81% | 2020 |
| 115, Cootes Avenue894 m away | 59 m² | 125 m² | +66 m² +112% | 2016 |
| 82, Guildford Road679 m away | 182 m² | 244 m² | +62 m² +34% | 2022 |
| 42, Hillside474 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.
| 80 m² |
| 142 m² |
| +62 m² +78% |
| 2016 |
| 17, Blackbridge Lane867 m away | 71 m² | 132 m² | +61 m² +86% | 2013 |
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| 20, Irwin Drive608 m away | 122 m² | 172 m² | +50 m² +41% | 2021 |
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| 11, Billingshurst Road906 m away | 83 m² | 132 m² | +49 m² +59% | 2026 |
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| The Corner House, Farthings Walk245 m away | 274 m² | 323 m² | +49 m² +18% | 2025 |
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| 104, Cootes Avenue885 m away | 74 m² | 122 m² | +48 m² +65% | 2022 |
|---|
| 4, Hills Farm Lane761 m away | 178 m² | 220 m² | +42 m² +24% | 2022 |
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| 8, Cook Way711 m away | 164 m² | 205 m² | +41 m² +25% | 2026 |
|---|
| 16, Guildford Road965 m away | 94 m² | 135 m² | +41 m² +44% | 2022 |
|---|
| 10, Irwin Drive608 m away | 115 m² | 156 m² | +41 m² +36% | 2020 |
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| Birches, St Johns Crescent650 m away | 131 m² | 172 m² | +41 m² +31% | 2015 |
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| 37, Croft Way889 m away | 71 m² | 108 m² | +37 m² +52% | 2024 |
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| 5, Fellcott Way566 m away | 74 m² | 111 m² | +37 m² +50% | 2022 |
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| 21, Croft Way889 m away | 92 m² | 129 m² | +37 m² +40% | 2016 |
|---|
| 43, Curzon Avenue989 m away | 78 m² | 114 m² | +36 m² +46% | 2022 |
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| 50, Merryfield Drive892 m away | 106 m² | 140 m² | +34 m² +32% | 2026 |
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| 30, Old Guildford Road876 m away | 89 m² | 123 m² | +34 m² +38% | 2023 |
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| 6, Riverside666 m away | 93 m² | 126 m² | +33 m² +35% | 2022 |
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| Wickhurst Square, Sargent Way897 m away | 78 m² | 111 m² | +33 m² +42% | 2019 |
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| 63, Curzon Avenue989 m away | 64 m² | 97 m² | +33 m² +52% | 2019 |
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| 52, Hazelhurst Crescent484 m away | 83 m² | 115 m² | +32 m² +39% | 2022 |
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| 2, Irwin Drive608 m away | 99 m² | 131 m² | +32 m² +32% | 2016 |
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| 13, The Boulevard422 m away | 73 m² | 103 m² | +30 m² +41% | 2014 |
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| Chailey, Farthings Hill386 m away | 185 m² | 214 m² | +29 m² +16% | 2019 |
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| 73, Cootes Avenue625 m away | 92 m² | 120 m² | +28 m² +30% | 2021 |
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| 15, Sullington Mead739 m away | 69 m² | 96 m² | +27 m² +39% | 2026 |
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| 1, Middleton Road821 m away | 108 m² | 135 m² | +27 m² +25% | 2023 |
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| 29, Hills Place651 m away | 62 m² | 89 m² | +27 m² +44% | 2013 |
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| 34, Castle Road808 m away | 104 m² | 130 m² | +26 m² +25% | 2019 |
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| 80, Hazelhurst Crescent484 m away | 67 m² | 93 m² | +26 m² +39% | 2017 |
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| 53, Hill Mead954 m away | 91 m² | 117 m² | +26 m² +29% | 2016 |
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| 54, Old Guildford Road876 m away | 103 m² | 128 m² | +25 m² +24% | 2022 |
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| 111, Cootes Avenue894 m away | 58 m² | 82 m² | +24 m² +41% | 2026 |
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| 30, Longhurst Avenue280 m away | 65 m² | 88 m² | +23 m² +35% | 2025 |
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| 65, Deer Way777 m away | 88 m² | 111 m² | +23 m² +26% | 2023 |
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| 15, The Maltings, Arundale Walk478 m away | 48 m² | 71 m² | +23 m² +48% | 2017 |
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| 16, Pines Ridge206 m away | 101 m² | 123 m² | +22 m² +22% | 2024 |
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| 1, Curzon Avenue989 m away | 80 m² | 101 m² | +21 m² +26% | 2025 |
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| 46, Longhurst Avenue280 m away | 65 m² | 86 m² | +21 m² +32% | 2024 |
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| 42, Longhurst Avenue280 m away | 65 m² | 86 m² | +21 m² +32% | 2024 |
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| 69, Blackbridge Lane853 m away | 85 m² | 106 m² | +21 m² +25% | 2024 |
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| 5, Deer Way777 m away | 55 m² | 75 m² | +20 m² +36% | 2023 |
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| 21, Mulberry Gardens646 m away | 58 m² | 78 m² | +20 m² +34% | 2014 |
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| 29, Highwood Crescent339 m away | 89 m² | 108 m² | +19 m² +21% | 2026 |
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| 15, Ryecroft Drive764 m away | 90 m² | 109 m² | +19 m² +21% | 2020 |
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| 23, The Crescent581 m away | 86 m² | 105 m² | +19 m² +22% | 2016 |
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| 118, Cootes Avenue885 m away | 91 m² | 109 m² | +18 m² +20% | 2015 |
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| 46, Pelling Way974 m away | 79 m² | 96 m² | +17 m² +22% | 2025 |
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| 4, Hazelhurst Crescent484 m away | 36 m² | 53 m² | +17 m² +47% | 2023 |
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| 15, Wakehurst Mews557 m away | 64 m² | 80 m² | +16 m² +25% | 2026 |
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| 10, Three Acres930 m away | 83 m² | 98 m² | +15 m² +18% | 2025 |
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| 19, Eastcroft Mews450 m away | 66 m² | 81 m² | +15 m² +23% | 2016 |
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| 18, Stoneybrook383 m away | 68 m² | 83 m² | +15 m² +22% | 2015 |
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