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 2JF
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 |
|---|---|---|---|---|
| 35, Knoll Road382 m away | 120 m² | 268 m² | +148 m² +123% | 2025 |
| Farley, Longfield Road760 m away | 69 m² | 158 m² | +89 m² +129% | 2025 |
| 13, Rose Hill395 m away | 209 m² | 296 m² | +87 m² +42% | 2024 |
| 3, Ridgeway Close590 m away | 65 m² | 151 m² | +86 m² +132% | 2019 |
| 1, Cedar Close518 m away | 288 m² | 365 m² | +77 m² +27% | 2022 |
| Springbank, Roman Road462 m away | 206 m² | 282 m² | +76 m² +37% | 2014 |
| 21, Marley Rise810 m away | 71 m² | 135 m² | +64 m² +90% | 2013 |
| 5, Denfield458 m away | 104 m² | 167 m² | +63 m² +61% | 2020 |
| 96, Nower Road613 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.
| 71 m² |
| 134 m² |
| +63 m² +89% |
| 2015 |
| 10, High Meadow Close247 m away | 101 m² | 162 m² | +61 m² +60% | 2022 |
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| 9, North Street821 m away | 104 m² | 164 m² | +60 m² +58% | 2020 |
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| The Laurels, Tower Hill Road246 m away | 162 m² | 217 m² | +55 m² +34% | 2012 |
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| 30, Knoll Road351 m away | 134 m² | 188 m² | +54 m² +40% | 2026 |
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| Woodlands, Harrow Road East282 m away | 63 m² | 117 m² | +54 m² +86% | 2014 |
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| Strawberry Wood, Martineau Drive577 m away | 118 m² | 171 m² | +53 m² +45% | 2025 |
|---|
| 1, New Cottages981 m away | 103 m² | 156 m² | +53 m² +51% | 2015 |
|---|
| 3, West Bank520 m away | 96 m² | 148 m² | +52 m² +54% | 2023 |
|---|
| 8, Tollgate Road709 m away | 54 m² | 106 m² | +52 m² +96% | 2019 |
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| Rosenlaui, Longfield Road643 m away | 74 m² | 125 m² | +51 m² +69% | 2015 |
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| 5, Vincent Drive406 m away | 91 m² | 141 m² | +50 m² +55% | 2016 |
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| 46, West Bank636 m away | 84 m² | 131 m² | +47 m² +56% | 2016 |
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| 8, Norfolk Road544 m away | 127 m² | 173 m² | +46 m² +36% | 2018 |
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| 10, Trasher Mead915 m away | 56 m² | 102 m² | +46 m² +82% | 2017 |
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| 10, Howard Road738 m away | 84 m² | 128 m² | +44 m² +52% | 2025 |
|---|
| 34, Mount Street691 m away | 139 m² | 182 m² | +43 m² +31% | 2026 |
|---|
| 34, Tollgate Road709 m away | 70 m² | 113 m² | +43 m² +61% | 2016 |
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| 15, High Meadow Close247 m away | 78 m² | 120 m² | +42 m² +54% | 2025 |
|---|
| Lauderdale, Harrow Road West159 m away | 107 m² | 148 m² | +41 m² +38% | 2022 |
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| 22, Church Street883 m away | 88 m² | 129 m² | +41 m² +47% | 2019 |
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| 6, Glenwood715 m away | 119 m² | 159 m² | +40 m² +34% | 2025 |
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| 8, Hampstead Road157 m away | 93 m² | 132 m² | +39 m² +42% | 2016 |
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| Midway, Ridgeway Road590 m away | 175 m² | 214 m² | +39 m² +22% | 2015 |
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| 6, Marlborough Hill660 m away | 58 m² | 93 m² | +35 m² +60% | 2024 |
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| Braeside, Cliftonville0 m away | 175 m² | 208 m² | +33 m² +19% | 2022 |
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| 81 - 85, High Street802 m away | 54 m² | 87 m² | +33 m² +61% | 2009 |
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| Weathertop, Tower Hill382 m away | 200 m² | 232 m² | +32 m² +16% | 2026 |
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| Henlistone, Ridgeway Road480 m away | 116 m² | 148 m² | +32 m² +28% | 2020 |
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| Apartment 3, Furze Hollow, Tower Hill Road197 m away | 143 m² | 175 m² | +32 m² +22% | 2019 |
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| 35, Dene Street774 m away | 117 m² | 148 m² | +31 m² +26% | 2025 |
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| 19, Stubs Hill947 m away | 86 m² | 117 m² | +31 m² +36% | 2024 |
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| 18, Glebe Road915 m away | 109 m² | 140 m² | +31 m² +28% | 2013 |
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| 4, Ridgeway Drive727 m away | 94 m² | 124 m² | +30 m² +32% | 2026 |
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| 19, Vincent Road581 m away | 138 m² | 168 m² | +30 m² +22% | 2021 |
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| 21, Church Street883 m away | 55 m² | 84 m² | +29 m² +53% | 2025 |
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| 5, Brympton Close472 m away | 154 m² | 183 m² | +29 m² +19% | 2024 |
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| 28, Marley Rise810 m away | 101 m² | 129 m² | +28 m² +28% | 2020 |
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| 33, Church Street883 m away | 33 m² | 61 m² | +28 m² +85% | 2019 |
|---|
| 1, Western Place662 m away | 32 m² | 60 m² | +28 m² +88% | 2014 |
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| 27, Deepdene Gardens994 m away | 66 m² | 93 m² | +27 m² +41% | 2025 |
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| 24, Tollgate Road709 m away | 71 m² | 98 m² | +27 m² +38% | 2022 |
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| The Lodge, Longfield Road760 m away | 166 m² | 193 m² | +27 m² +16% | 2022 |
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| 2, Barrington Court166 m away | 69 m² | 96 m² | +27 m² +39% | 2015 |
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| 10, Falkland Road261 m away | 88 m² | 113 m² | +25 m² +28% | 2020 |
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| 6, Arundel Road654 m away | 66 m² | 91 m² | +25 m² +38% | 2017 |
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| 11, Claygate Road629 m away | 82 m² | 107 m² | +25 m² +30% | 2016 |
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| 12, Cleardene667 m away | 100 m² | 125 m² | +25 m² +25% | 2016 |
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| 1, Rose Cottages, Harrow Road West159 m away | 76 m² | 100 m² | +24 m² +32% | 2023 |
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| 27, Myrtle Road934 m away | 80 m² | 104 m² | +24 m² +30% | 2019 |
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| 30, Falkland Road261 m away | 41 m² | 65 m² | +24 m² +59% | 2017 |
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| 1, Mullins Court, Church Street779 m away | 105 m² | 129 m² | +24 m² +23% | 2015 |
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| 2, Birchlea Court, Cliftonville0 m away | 119 m² | 142 m² | +23 m² +19% | 2024 |
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| 11, St Martins Mews825 m away | 89 m² | 112 m² | +23 m² +26% | 2022 |
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| 51, Orchard Way164 m away | 80 m² | 102 m² | +22 m² +28% | 2023 |
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| Homefield, Cliftonville0 m away | 92 m² | 113 m² | +21 m² +23% | 2024 |
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| 25, Chandler Way979 m away | 72 m² | 93 m² | +21 m² +29% | 2022 |
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| 3, Vincent Road581 m away | 116 m² | 137 m² | +21 m² +18% | 2017 |
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| 16, Ansell Road973 m away | 48 m² | 69 m² | +21 m² +44% | 2016 |
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| 2, Rose Cottages, Harrow Road West159 m away | 75 m² | 95 m² | +20 m² +27% | 2016 |
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| 23, Vincent Road581 m away | 102 m² | 121 m² | +19 m² +19% | 2022 |
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| 4, Cedar Close518 m away | 94 m² | 113 m² | +19 m² +20% | 2020 |
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| Mountside, Harrow Road East282 m away | 72 m² | 91 m² | +19 m² +26% | 2016 |
|---|
| 11, Vincent Road581 m away | 107 m² | 126 m² | +19 m² +18% | 2013 |
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| 11, Cleardene667 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
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| 26, Marlborough Road663 m away | 41 m² | 58 m² | +17 m² +41% | 2022 |
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| 34, South Street730 m away | 60 m² | 77 m² | +17 m² +28% | 2022 |
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| 12, Vincent Lane474 m away | 67 m² | 84 m² | +17 m² +25% | 2020 |
|---|
| Flat 1, 10 - 11, Horsham Road192 m away | 53 m² | 70 m² | +17 m² +32% | 2014 |
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| Flat 13, Norfolk Mews, 140a, South Street494 m away | 55 m² | 72 m² | +17 m² +31% | 2014 |
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| 26, Mount Street691 m away | 82 m² | 98 m² | +16 m² +20% | 2017 |
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| Dene Cottage, Tower Hill355 m away | 92 m² | 108 m² | +16 m² +17% | 2015 |
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| 10, Hampstead Road157 m away | 47 m² | 62 m² | +15 m² +32% | 2022 |
|---|
| 36, Church Street852 m away | 59 m² | 74 m² | +15 m² +25% | 2018 |
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| 7, Harrow Close221 m away | 65 m² | 80 m² | +15 m² +23% | 2015 |
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