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 RH11 8JB
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 |
|---|---|---|---|---|
| 34, The Millbank970 m away | 110 m² | 217 m² | +107 m² +97% | 2023 |
| 7, High Oaks530 m away | 140 m² | 239 m² | +99 m² +71% | 2025 |
| 13, High Oaks530 m away | 104 m² | 159 m² | +55 m² +53% | 2015 |
| Jesmondene, Old Horsham Road569 m away | 148 m² | 199 m² | +51 m² +34% | 2022 |
| 3, Cuckmere Crescent645 m away | 107 m² | 152 m² | +45 m² +42% | 2026 |
| 19, Buckswood Drive490 m away | 94 m² | 137 m² | +43 m² +46% | 2026 |
| 7, Netherwood467 m away | 92 m² | 134 m² | +42 m² +46% | 2013 |
| 23, Lismore Crescent847 m away | 90 m² | 131 m² | +41 m² +46% | 2022 |
| 5, Goffs Close800 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.
| 97 m² |
| 137 m² |
| +40 m² +41% |
| 2021 |
| 62, Filbert Crescent613 m away | 104 m² | 142 m² | +38 m² +37% | 2014 |
|---|
| 100, Ifield Road921 m away | 61 m² | 98 m² | +37 m² +61% | 2020 |
|---|
| 3, Leopold Road925 m away | 91 m² | 127 m² | +36 m² +40% | 2021 |
|---|
| 33, Lismore Crescent847 m away | 72 m² | 107 m² | +35 m² +49% | 2024 |
|---|
| 36, Heather Walk866 m away | 53 m² | 87 m² | +34 m² +64% | 2024 |
|---|
| 2, The Millbank970 m away | 127 m² | 159 m² | +32 m² +25% | 2025 |
|---|
| 11, Cuckmere Crescent645 m away | 81 m² | 113 m² | +32 m² +40% | 2021 |
|---|
| 11, Tintern Road256 m away | 70 m² | 101 m² | +31 m² +44% | 2026 |
|---|
| 58, Medway Road683 m away | 50 m² | 81 m² | +31 m² +62% | 2024 |
|---|
| 137, Ifield Road961 m away | 79 m² | 109 m² | +30 m² +38% | 2026 |
|---|
| 15, The Hollow825 m away | 82 m² | 111 m² | +29 m² +35% | 2026 |
|---|
| 41, Hillmead785 m away | 113 m² | 142 m² | +29 m² +26% | 2025 |
|---|
| 25, Woburn Road275 m away | 71 m² | 100 m² | +29 m² +41% | 2021 |
|---|
| 39, Rother Crescent812 m away | 102 m² | 131 m² | +29 m² +28% | 2016 |
|---|
| 68, Albany Road897 m away | 70 m² | 98 m² | +28 m² +40% | 2016 |
|---|
| 1, Craigans560 m away | 103 m² | 131 m² | +28 m² +27% | 2014 |
|---|
| 52, Caburn Heights846 m away | 103 m² | 130 m² | +27 m² +26% | 2025 |
|---|
| Lynnmore, Horsham Road576 m away | 128 m² | 155 m² | +27 m² +21% | 2020 |
|---|
| Greenways, Dormans134 m away | 82 m² | 108 m² | +26 m² +32% | 2024 |
|---|
| 26, Colwyn Close936 m away | 82 m² | 108 m² | +26 m² +32% | 2024 |
|---|
| 141, Downland Drive760 m away | 95 m² | 121 m² | +26 m² +27% | 2015 |
|---|
| 23, Madehurst Court, Cowfold Close901 m away | 78 m² | 104 m² | +26 m² +33% | 2014 |
|---|
| 1, Wold Close484 m away | 95 m² | 120 m² | +25 m² +26% | 2023 |
|---|
| 43, Rother Crescent812 m away | 80 m² | 105 m² | +25 m² +31% | 2023 |
|---|
| 30, St Augustine Road387 m away | 122 m² | 147 m² | +25 m² +20% | 2021 |
|---|
| 14, Mitford Walk753 m away | 65 m² | 90 m² | +25 m² +38% | 2018 |
|---|
| 18, Slaugham Court, Cowfold Close845 m away | 88 m² | 113 m² | +25 m² +28% | 2015 |
|---|
| 85, Highams Hill705 m away | 79 m² | 103 m² | +24 m² +30% | 2026 |
|---|
| 162, Buckswood Drive220 m away | 126 m² | 150 m² | +24 m² +19% | 2020 |
|---|
| 149, Downland Drive760 m away | 90 m² | 114 m² | +24 m² +27% | 2015 |
|---|
| 26, Buckswood Drive457 m away | 141 m² | 164 m² | +23 m² +16% | 2026 |
|---|
| 28, Kingscote Hill304 m away | 101 m² | 124 m² | +23 m² +23% | 2025 |
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| 100, Albany Road845 m away | 100 m² | 123 m² | +23 m² +23% | 2024 |
|---|
| 51, Jewel Walk800 m away | 89 m² | 112 m² | +23 m² +26% | 2016 |
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| 6, Berstead Walk701 m away | 81 m² | 103 m² | +22 m² +27% | 2021 |
|---|
| 33, Peacock Walk694 m away | 69 m² | 91 m² | +22 m² +32% | 2014 |
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| Gwynfa, Horsham Road576 m away | 84 m² | 106 m² | +22 m² +26% | 2010 |
|---|
| 33, Cuckmere Crescent645 m away | 78 m² | 99 m² | +21 m² +27% | 2026 |
|---|
| 15, Chiltern Close803 m away | 88 m² | 109 m² | +21 m² +24% | 2025 |
|---|
| 27, Padstow Walk978 m away | 92 m² | 112 m² | +20 m² +22% | 2024 |
|---|
| 44, Albany Road897 m away | 77 m² | 97 m² | +20 m² +26% | 2022 |
|---|
| 119, Rother Crescent738 m away | 81 m² | 100 m² | +19 m² +23% | 2026 |
|---|
| 19, Goffs Lane775 m away | 87 m² | 106 m² | +19 m² +22% | 2024 |
|---|
| 3, The Croft654 m away | 101 m² | 120 m² | +19 m² +19% | 2022 |
|---|
| 17, Leopold Road925 m away | 78 m² | 97 m² | +19 m² +24% | 2021 |
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| 11, Bolney Court, Cuckfield Close956 m away | 81 m² | 99 m² | +18 m² +22% | 2024 |
|---|
| 1, Newlands Road959 m away | 83 m² | 101 m² | +18 m² +22% | 2020 |
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| 15, Slaugham Court, Cowfold Close845 m away | 84 m² | 102 m² | +18 m² +21% | 2014 |
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| 32, Hambleton Court, Hambleton Hill957 m away | 57 m² | 74 m² | +17 m² +30% | 2023 |
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| 12, Oatlands287 m away | 65 m² | 82 m² | +17 m² +26% | 2018 |
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| 10, Biggin Close700 m away | 101 m² | 118 m² | +17 m² +17% | 2017 |
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| 1, Juxon Close743 m away | 77 m² | 94 m² | +17 m² +22% | 2011 |
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| 60, Rother Crescent850 m away | 72 m² | 88 m² | +16 m² +22% | 2025 |
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| 1, Cotswold Close857 m away | 82 m² | 98 m² | +16 m² +20% | 2024 |
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| 135, Downland Drive898 m away | 90 m² | 106 m² | +16 m² +18% | 2020 |
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| 1, Burbeach Close592 m away | 40 m² | 56 m² | +16 m² +40% | 2019 |
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| 16, Molins Court, Brideake Close943 m away | 78 m² | 93 m² | +15 m² +19% | 2026 |
|---|
| 18, Paddockhurst Road402 m away | 95 m² | 110 m² | +15 m² +16% | 2024 |
|---|
| 41, Lismore Crescent847 m away | 88 m² | 103 m² | +15 m² +17% | 2024 |
|---|
| 120, Buckswood Drive58 m away | 97 m² | 112 m² | +15 m² +15% | 2023 |
|---|
| 19, Heather Walk882 m away | 82 m² | 97 m² | +15 m² +18% | 2021 |
|---|
| 4, Burbeach Close592 m away | 30 m² | 45 m² | +15 m² +50% | 2020 |
|---|
| 10, Arran Close754 m away | 97 m² | 112 m² | +15 m² +15% | 2020 |
|---|
| 75, Hillmead785 m away | 98 m² | 113 m² | +15 m² +15% | 2019 |
|---|
| 48, Heather Walk866 m away | 82 m² | 97 m² | +15 m² +18% | 2019 |
|---|
| 16, Wold Close484 m away | 85 m² | 100 m² | +15 m² +18% | 2018 |
|---|
| 27, Dovedale Crescent788 m away | 91 m² | 106 m² | +15 m² +16% | 2018 |
|---|
| 15, Glanville Walk792 m away | 77 m² | 92 m² | +15 m² +19% | 2016 |
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