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 RH4 1JQ
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 |
|---|---|---|---|---|
| Chalkhill Cottage, Keppel Road423 m away | 171 m² | 358 m² | +187 m² +109% | 2023 |
| Little Friars, Keppel Road423 m away | 195 m² | 342 m² | +147 m² +75% | 2015 |
| 3, Calvert Crescent462 m away | 142 m² | 264 m² | +122 m² +86% | 2026 |
| Littlecroft, Deepdene Park Road716 m away | 180 m² | 292 m² | +112 m² +62% | 2025 |
| 33, Deepdene Vale419 m away | 108 m² | 216 m² | +108 m² +100% | 2018 |
| 1, Calvert Crescent462 m away | 284 m² | 370 m² | +86 m² +30% | 2016 |
| 6, Ladyegate Close881 m away | 126 m² | 211 m² | +85 m² +67% | 2017 |
| Little Garth, Deepdene Avenue663 m away | 181 m² | 263 m² | +82 m² +45% | 2019 |
| 78, Ashcombe Road |
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.
| 102 m² |
| 180 m² |
| +78 m² +76% |
| 2021 |
| 1, Cedar Close924 m away | 288 m² | 365 m² | +77 m² +27% | 2022 |
|---|
| Hillview, Deepdene Park Road778 m away | 135 m² | 207 m² | +72 m² +53% | 2016 |
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| 30, Punchbowl Lane812 m away | 94 m² | 160 m² | +66 m² +70% | 2017 |
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| Westmead, 3, Deepdene Drive617 m away | 160 m² | 224 m² | +64 m² +40% | 2024 |
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| 9, North Street730 m away | 104 m² | 164 m² | +60 m² +58% | 2020 |
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| 52, Fairfield Drive46 m away | 88 m² | 147 m² | +59 m² +67% | 2024 |
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| 90, Fairfield Drive171 m away | 104 m² | 154 m² | +50 m² +48% | 2023 |
|---|
| Beech Corner, Ranmore Road925 m away | 121 m² | 168 m² | +47 m² +39% | 2024 |
|---|
| 1, Lincoln Road378 m away | 97 m² | 143 m² | +46 m² +47% | 2022 |
|---|
| 83, Parkway476 m away | 103 m² | 149 m² | +46 m² +45% | 2015 |
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| 11, Chalkpit Lane631 m away | 56 m² | 100 m² | +44 m² +79% | 2015 |
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| 34, Mount Street996 m away | 139 m² | 182 m² | +43 m² +31% | 2026 |
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| 12, Wathen Road337 m away | 129 m² | 172 m² | +43 m² +33% | 2024 |
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| Rock Dene, Moores Road425 m away | 105 m² | 148 m² | +43 m² +41% | 2019 |
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| 12, Swan Mill Gardens714 m away | 52 m² | 95 m² | +43 m² +83% | 2019 |
|---|
| P, Portland Road689 m away | 65 m² | 107 m² | +42 m² +65% | 2025 |
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| 117, Parkway476 m away | 73 m² | 115 m² | +42 m² +58% | 2023 |
|---|
| 18, Deepdene Vale444 m away | 102 m² | 144 m² | +42 m² +41% | 2014 |
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| 22, Church Street665 m away | 88 m² | 129 m² | +41 m² +47% | 2019 |
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| Ground Floor, 6, Lincoln Road361 m away | 78 m² | 118 m² | +40 m² +51% | 2024 |
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| 24, Croft Avenue147 m away | 138 m² | 178 m² | +40 m² +29% | 2016 |
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| 20, Ranmore Road674 m away | 57 m² | 97 m² | +40 m² +70% | 2016 |
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| 7, Pixham Lane749 m away | 66 m² | 105 m² | +39 m² +59% | 2025 |
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| Cedars, Deepdene Park Road716 m away | 227 m² | 266 m² | +39 m² +17% | 2024 |
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| 12, Yew Tree Road472 m away | 136 m² | 175 m² | +39 m² +29% | 2023 |
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| 3, Calvert Gardens457 m away | 133 m² | 170 m² | +37 m² +28% | 2026 |
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| 3, Overdale707 m away | 117 m² | 152 m² | +35 m² +30% | 2025 |
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| 6, Marlborough Hill785 m away | 58 m² | 93 m² | +35 m² +60% | 2024 |
|---|
| 41, Deepdene Avenue495 m away | 153 m² | 188 m² | +35 m² +23% | 2023 |
|---|
| 4, Chalkpit Terrace682 m away | 88 m² | 123 m² | +35 m² +40% | 2020 |
|---|
| E, Portland Road689 m away | 62 m² | 95 m² | +33 m² +53% | 2015 |
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| 81 - 85, High Street688 m away | 54 m² | 87 m² | +33 m² +61% | 2009 |
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| 28, Wathen Road323 m away | 144 m² | 176 m² | +32 m² +22% | 2023 |
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| 26, Wathen Road323 m away | 128 m² | 159 m² | +31 m² +24% | 2026 |
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| 35, Dene Street679 m away | 117 m² | 148 m² | +31 m² +26% | 2025 |
|---|
| 21, Church Street665 m away | 55 m² | 84 m² | +29 m² +53% | 2025 |
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| 11, Fairfield Drive0 m away | 85 m² | 114 m² | +29 m² +34% | 2022 |
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| 109, Fairfield Drive71 m away | 86 m² | 114 m² | +28 m² +33% | 2021 |
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| 74, Fairfield Drive171 m away | 99 m² | 127 m² | +28 m² +28% | 2021 |
|---|
| 33, Church Street665 m away | 33 m² | 61 m² | +28 m² +85% | 2019 |
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| 6, Lonsdale Road271 m away | 167 m² | 195 m² | +28 m² +17% | 2016 |
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| 26, Rothes Road258 m away | 90 m² | 118 m² | +28 m² +31% | 2015 |
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| 1, Western Place982 m away | 32 m² | 60 m² | +28 m² +88% | 2014 |
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| 22, Parkway511 m away | 63 m² | 90 m² | +27 m² +43% | 2026 |
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| 27, Deepdene Gardens561 m away | 66 m² | 93 m² | +27 m² +41% | 2025 |
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| 8, Fairfield Drive46 m away | 98 m² | 125 m² | +27 m² +28% | 2022 |
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| 29, Chalkpit Lane631 m away | 79 m² | 106 m² | +27 m² +34% | 2022 |
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| 8, Fraser Gardens669 m away | 105 m² | 132 m² | +27 m² +26% | 2022 |
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| 51, Ashcombe Road451 m away | 97 m² | 124 m² | +27 m² +28% | 2015 |
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| Dickens House, 35, Wathen Road323 m away | 151 m² | 177 m² | +26 m² +17% | 2024 |
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| 5, Hill View435 m away | 85 m² | 111 m² | +26 m² +31% | 2019 |
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| 3, Curtis Gardens851 m away | 68 m² | 93 m² | +25 m² +37% | 2023 |
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| 12, Cleardene812 m away | 100 m² | 125 m² | +25 m² +25% | 2016 |
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| 27, Myrtle Road773 m away | 80 m² | 104 m² | +24 m² +30% | 2019 |
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| 1, Mullins Court, Church Street784 m away | 105 m² | 129 m² | +24 m² +23% | 2015 |
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| 13, Limeway Terrace782 m away | 123 m² | 146 m² | +23 m² +19% | 2025 |
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| 75, Ashcombe Road311 m away | 132 m² | 155 m² | +23 m² +17% | 2022 |
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| 11, St Martins Mews686 m away | 89 m² | 112 m² | +23 m² +26% | 2022 |
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| 3, Ranmore Road720 m away | 66 m² | 89 m² | +23 m² +35% | 2021 |
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| 90, Rothes Road372 m away | 106 m² | 129 m² | +23 m² +22% | 2020 |
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| 23, Fairfield Drive0 m away | 82 m² | 104 m² | +22 m² +27% | 2024 |
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| 11, Jubilee Terrace312 m away | 98 m² | 119 m² | +21 m² +21% | 2024 |
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| 143, Parkway476 m away | 67 m² | 88 m² | +21 m² +31% | 2024 |
|---|
| 72, Rothes Road372 m away | 106 m² | 127 m² | +21 m² +20% | 2021 |
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| 16, Ansell Road497 m away | 48 m² | 69 m² | +21 m² +44% | 2016 |
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| 5, Mowbray Gardens171 m away | 97 m² | 117 m² | +20 m² +21% | 2022 |
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| 51, Yew Tree Road472 m away | 118 m² | 138 m² | +20 m² +17% | 2020 |
|---|
| 1, Ranmore Road720 m away | 59 m² | 79 m² | +20 m² +34% | 2018 |
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| 7, Ashcombe Road680 m away | 74 m² | 94 m² | +20 m² +27% | 2017 |
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| 5, Ashurst Place510 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 6, Wathen Road372 m away | 111 m² | 130 m² | +19 m² +17% | 2022 |
|---|
| 4, Cedar Close924 m away | 94 m² | 113 m² | +19 m² +20% | 2020 |
|---|
| 64, Hill View435 m away | 58 m² | 77 m² | +19 m² +33% | 2019 |
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| 62, Rothes Road372 m away | 106 m² | 125 m² | +19 m² +18% | 2018 |
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| 34, Chalkpit Lane585 m away | 65 m² | 83 m² | +18 m² +28% | 2025 |
|---|
| 11, Cleardene812 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
|---|
| 10, Parkway511 m away | 75 m² | 93 m² | +18 m² +24% | 2021 |
|---|
| 278, High Street421 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
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| 26, Marlborough Road780 m away | 41 m² | 58 m² | +17 m² +41% | 2022 |
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| 34, South Street815 m away | 60 m² | 77 m² | +17 m² +28% | 2022 |
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| Flat 4, Purbrook, Pixham Lane857 m away | 56 m² | 73 m² | +17 m² +30% | 2014 |
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| 19, Fairfield Drive0 m away | 83 m² | 99 m² | +16 m² +19% | 2019 |
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| Ground Floor, 8, Lincoln Road361 m away | 69 m² | 85 m² | +16 m² +23% | 2017 |
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| 26, Mount Street996 m away | 82 m² | 98 m² | +16 m² +20% | 2017 |
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| 70, Reigate Road619 m away | 93 m² | 108 m² | +15 m² +16% | 2021 |
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| 72, Hill View435 m away | 52 m² | 67 m² | +15 m² +29% | 2019 |
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| 36, Church Street727 m away | 59 m² | 74 m² | +15 m² +25% | 2018 |
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