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 3JB
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 Road788 m away | 120 m² | 268 m² | +148 m² +123% | 2025 |
| Willowbank, Nutcombe Lane449 m away | 122 m² | 217 m² | +95 m² +78% | 2020 |
| Farley, Longfield Road640 m away | 69 m² | 158 m² | +89 m² +129% | 2025 |
| 13, Rose Hill214 m away | 209 m² | 296 m² | +87 m² +42% | 2024 |
| 3, Ridgeway Close980 m away | 65 m² | 151 m² | +86 m² +132% | 2019 |
| 78, Ashcombe Road980 m away | 102 m² | 180 m² | +78 m² +76% | 2021 |
| Windwhistle, Nutcombe Lane449 m away | 153 m² | 231 m² | +78 m² +51% | 2018 |
| 1, Cedar Close393 m away | 288 m² | 365 m² | +77 m² +27% | 2022 |
| Springbank, Roman Road998 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.
| 206 m² |
| 282 m² |
| +76 m² +37% |
| 2014 |
| 96, Nower Road214 m away | 71 m² | 134 m² | +63 m² +89% | 2015 |
|---|
| 10, High Meadow Close527 m away | 101 m² | 162 m² | +61 m² +60% | 2022 |
|---|
| 9, North Street357 m away | 104 m² | 164 m² | +60 m² +58% | 2020 |
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| The Laurels, Tower Hill Road815 m away | 162 m² | 217 m² | +55 m² +34% | 2012 |
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| 30, Knoll Road736 m away | 134 m² | 188 m² | +54 m² +40% | 2026 |
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| Woodlands, Harrow Road East836 m away | 63 m² | 117 m² | +54 m² +86% | 2014 |
|---|
| 1, New Cottages775 m away | 103 m² | 156 m² | +53 m² +51% | 2015 |
|---|
| 3, West Bank435 m away | 96 m² | 148 m² | +52 m² +54% | 2023 |
|---|
| Rosenlaui, Longfield Road507 m away | 74 m² | 125 m² | +51 m² +69% | 2015 |
|---|
| 90, Fairfield Drive936 m away | 104 m² | 154 m² | +50 m² +48% | 2023 |
|---|
| 5, Vincent Drive332 m away | 91 m² | 141 m² | +50 m² +55% | 2016 |
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| 46, West Bank345 m away | 84 m² | 131 m² | +47 m² +56% | 2016 |
|---|
| 8, Norfolk Road39 m away | 127 m² | 173 m² | +46 m² +36% | 2018 |
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| 83, Parkway718 m away | 103 m² | 149 m² | +46 m² +45% | 2015 |
|---|
| 10, Howard Road157 m away | 84 m² | 128 m² | +44 m² +52% | 2025 |
|---|
| 11, Chalkpit Lane714 m away | 56 m² | 100 m² | +44 m² +79% | 2015 |
|---|
| 34, Mount Street119 m away | 139 m² | 182 m² | +43 m² +31% | 2026 |
|---|
| 12, Wathen Road760 m away | 129 m² | 172 m² | +43 m² +33% | 2024 |
|---|
| Rock Dene, Moores Road824 m away | 105 m² | 148 m² | +43 m² +41% | 2019 |
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| P, Portland Road519 m away | 65 m² | 107 m² | +42 m² +65% | 2025 |
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| 15, High Meadow Close527 m away | 78 m² | 120 m² | +42 m² +54% | 2025 |
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| 117, Parkway718 m away | 73 m² | 115 m² | +42 m² +58% | 2023 |
|---|
| Lauderdale, Harrow Road West610 m away | 107 m² | 148 m² | +41 m² +38% | 2022 |
|---|
| 22, Church Street424 m away | 88 m² | 129 m² | +41 m² +47% | 2019 |
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| 20, Ranmore Road724 m away | 57 m² | 97 m² | +40 m² +70% | 2016 |
|---|
| 8, Hampstead Road569 m away | 93 m² | 132 m² | +39 m² +42% | 2016 |
|---|
| 6, Marlborough Hill491 m away | 58 m² | 93 m² | +35 m² +60% | 2024 |
|---|
| 4, Chalkpit Terrace997 m away | 88 m² | 123 m² | +35 m² +40% | 2020 |
|---|
| Braeside, Cliftonville581 m away | 175 m² | 208 m² | +33 m² +19% | 2022 |
|---|
| E, Portland Road519 m away | 62 m² | 95 m² | +33 m² +53% | 2015 |
|---|
| 81 - 85, High Street407 m away | 54 m² | 87 m² | +33 m² +61% | 2009 |
|---|
| Weathertop, Tower Hill960 m away | 200 m² | 232 m² | +32 m² +16% | 2026 |
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| 28, Wathen Road787 m away | 144 m² | 176 m² | +32 m² +22% | 2023 |
|---|
| Henlistone, Ridgeway Road897 m away | 116 m² | 148 m² | +32 m² +28% | 2020 |
|---|
| Apartment 3, Furze Hollow, Tower Hill Road768 m away | 143 m² | 175 m² | +32 m² +22% | 2019 |
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| 26, Wathen Road787 m away | 128 m² | 159 m² | +31 m² +24% | 2026 |
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| 35, Dene Street590 m away | 117 m² | 148 m² | +31 m² +26% | 2025 |
|---|
| 18, Glebe Road376 m away | 109 m² | 140 m² | +31 m² +28% | 2013 |
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| 19, Vincent Road0 m away | 138 m² | 168 m² | +30 m² +22% | 2021 |
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| 21, Church Street424 m away | 55 m² | 84 m² | +29 m² +53% | 2025 |
|---|
| 5, Brympton Close938 m away | 154 m² | 183 m² | +29 m² +19% | 2024 |
|---|
| 74, Fairfield Drive936 m away | 99 m² | 127 m² | +28 m² +28% | 2021 |
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| 33, Church Street424 m away | 33 m² | 61 m² | +28 m² +85% | 2019 |
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| 6, Lonsdale Road866 m away | 167 m² | 195 m² | +28 m² +17% | 2016 |
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| 26, Rothes Road837 m away | 90 m² | 118 m² | +28 m² +31% | 2015 |
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| 1, Western Place110 m away | 32 m² | 60 m² | +28 m² +88% | 2014 |
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| 22, Parkway718 m away | 63 m² | 90 m² | +27 m² +43% | 2026 |
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| 27, Deepdene Gardens851 m away | 66 m² | 93 m² | +27 m² +41% | 2025 |
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| The Lodge, Longfield Road640 m away | 166 m² | 193 m² | +27 m² +16% | 2022 |
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| 29, Chalkpit Lane714 m away | 79 m² | 106 m² | +27 m² +34% | 2022 |
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| 8, Fraser Gardens878 m away | 105 m² | 132 m² | +27 m² +26% | 2022 |
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| 2, Barrington Court492 m away | 69 m² | 96 m² | +27 m² +39% | 2015 |
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| Dickens House, 35, Wathen Road787 m away | 151 m² | 177 m² | +26 m² +17% | 2024 |
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| 3, Curtis Gardens450 m away | 68 m² | 93 m² | +25 m² +37% | 2023 |
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| 10, Falkland Road416 m away | 88 m² | 113 m² | +25 m² +28% | 2020 |
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| 6, Arundel Road73 m away | 66 m² | 91 m² | +25 m² +38% | 2017 |
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| 12, Cleardene596 m away | 100 m² | 125 m² | +25 m² +25% | 2016 |
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| 1, Rose Cottages, Harrow Road West610 m away | 76 m² | 100 m² | +24 m² +32% | 2023 |
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| 27, Myrtle Road392 m away | 80 m² | 104 m² | +24 m² +30% | 2019 |
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| 30, Falkland Road416 m away | 41 m² | 65 m² | +24 m² +59% | 2017 |
|---|
| 1, Mullins Court, Church Street303 m away | 105 m² | 129 m² | +24 m² +23% | 2015 |
|---|
| 2, Birchlea Court, Cliftonville581 m away | 119 m² | 142 m² | +23 m² +19% | 2024 |
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| 11, St Martins Mews401 m away | 89 m² | 112 m² | +23 m² +26% | 2022 |
|---|
| 3, Ranmore Road737 m away | 66 m² | 89 m² | +23 m² +35% | 2021 |
|---|
| 90, Rothes Road714 m away | 106 m² | 129 m² | +23 m² +22% | 2020 |
|---|
| 51, Orchard Way723 m away | 80 m² | 102 m² | +22 m² +28% | 2023 |
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| Homefield, Cliftonville581 m away | 92 m² | 113 m² | +21 m² +23% | 2024 |
|---|
| 143, Parkway718 m away | 67 m² | 88 m² | +21 m² +31% | 2024 |
|---|
| 11, Jubilee Terrace817 m away | 98 m² | 119 m² | +21 m² +21% | 2024 |
|---|
| 72, Rothes Road714 m away | 106 m² | 127 m² | +21 m² +20% | 2021 |
|---|
| 3, Vincent Road0 m away | 116 m² | 137 m² | +21 m² +18% | 2017 |
|---|
| 16, Ansell Road593 m away | 48 m² | 69 m² | +21 m² +44% | 2016 |
|---|
| 1, Ranmore Road737 m away | 59 m² | 79 m² | +20 m² +34% | 2018 |
|---|
| 7, Ashcombe Road939 m away | 74 m² | 94 m² | +20 m² +27% | 2017 |
|---|
| 2, Rose Cottages, Harrow Road West610 m away | 75 m² | 95 m² | +20 m² +27% | 2016 |
|---|
| 23, Vincent Road0 m away | 102 m² | 121 m² | +19 m² +19% | 2022 |
|---|
| 6, Wathen Road745 m away | 111 m² | 130 m² | +19 m² +17% | 2022 |
|---|
| 4, Cedar Close393 m away | 94 m² | 113 m² | +19 m² +20% | 2020 |
|---|
| 62, Rothes Road714 m away | 106 m² | 125 m² | +19 m² +18% | 2018 |
|---|
| Mountside, Harrow Road East836 m away | 72 m² | 91 m² | +19 m² +26% | 2016 |
|---|
| 11, Vincent Road0 m away | 107 m² | 126 m² | +19 m² +18% | 2013 |
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| 34, Chalkpit Lane751 m away | 65 m² | 83 m² | +18 m² +28% | 2025 |
|---|
| 11, Cleardene596 m away | 76 m² | 94 m² | +18 m² +24% | 2023 |
|---|
| 10, Parkway718 m away | 75 m² | 93 m² | +18 m² +24% | 2021 |
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| 278, High Street749 m away | 84 m² | 101 m² | +17 m² +20% | 2024 |
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| 34, South Street272 m away | 60 m² | 77 m² | +17 m² +28% | 2022 |
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| 26, Marlborough Road447 m away | 41 m² | 58 m² | +17 m² +41% | 2022 |
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| 12, Vincent Lane163 m away | 67 m² | 84 m² | +17 m² +25% | 2020 |
|---|
| Flat 13, Norfolk Mews, 140a, South Street106 m away | 55 m² | 72 m² | +17 m² +31% | 2014 |
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| Flat 1, 10 - 11, Horsham Road733 m away | 53 m² | 70 m² | +17 m² +32% | 2014 |
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| 26, Mount Street119 m away | 82 m² | 98 m² | +16 m² +20% | 2017 |
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| Dene Cottage, Tower Hill919 m away | 92 m² | 108 m² | +16 m² +17% | 2015 |
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| 10, Hampstead Road569 m away | 47 m² | 62 m² | +15 m² +32% | 2022 |
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| 36, Church Street368 m away | 59 m² | 74 m² | +15 m² +25% | 2018 |
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| 7, Harrow Close589 m away | 65 m² | 80 m² | +15 m² +23% | 2015 |
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