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 RM3 0SB
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 |
|---|---|---|---|---|
| 21, Sackville Crescent795 m away | 80 m² | 176 m² | +96 m² +120% | 2024 |
| 33, Harold Court Road838 m away | 61 m² | 152 m² | +91 m² +149% | 2017 |
| 125, Shepherds Hill986 m away | 201 m² | 281 m² | +80 m² +40% | 2021 |
| 31, Court Avenue434 m away | 55 m² | 134 m² | +79 m² +144% | 2022 |
| 80, Paines Brook Way993 m away | 71 m² | 147 m² | +76 m² +107% | 2020 |
| 11, Elderberry Close927 m away | 144 m² | 219 m² | +75 m² +52% | 2026 |
| 71, Shepherds Hill696 m away | 66 m² | 140 m² | +74 m² +112% | 2022 |
| 11, Alverstoke Road732 m away | 70 m² | 142 m² | +72 m² +103% | 2022 |
| 87, Arlington Gardens816 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.
| 59 m² |
| 129 m² |
| +70 m² +119% |
| 2023 |
| 10, Royston Road130 m away | 66 m² | 135 m² | +69 m² +105% | 2020 |
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| 41, Newhall Drive736 m away | 101 m² | 170 m² | +69 m² +68% | 2018 |
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| 45, Geoffrey Avenue620 m away | 47 m² | 116 m² | +69 m² +147% | 2016 |
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| 18, Camborne Avenue914 m away | 70 m² | 138 m² | +68 m² +97% | 2015 |
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| 27, Sussex Avenue295 m away | 73 m² | 139 m² | +66 m² +90% | 2023 |
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| 42, Gubbins Lane681 m away | 82 m² | 146 m² | +64 m² +78% | 2025 |
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| 38, Newhall Drive736 m away | 88 m² | 151 m² | +63 m² +72% | 2026 |
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| 7, Chelsworth Drive579 m away | 89 m² | 150 m² | +61 m² +69% | 2025 |
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| 109, Gubbins Lane450 m away | 96 m² | 157 m² | +61 m² +64% | 2022 |
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| 6, Amersham Close655 m away | 64 m² | 123 m² | +59 m² +92% | 2026 |
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| 50, Halesworth Road940 m away | 69 m² | 128 m² | +59 m² +86% | 2025 |
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| 52, Tindall Close896 m away | 97 m² | 154 m² | +57 m² +59% | 2024 |
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| 15, Chelsworth Drive579 m away | 86 m² | 143 m² | +57 m² +66% | 2022 |
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| 26, Shepherds Hill616 m away | 68 m² | 124 m² | +56 m² +82% | 2018 |
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| 20, Harlesden Close732 m away | 73 m² | 128 m² | +55 m² +75% | 2025 |
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| 1a, Phillida Road691 m away | 139 m² | 193 m² | +54 m² +39% | 2023 |
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| 4, Church Road747 m away | 87 m² | 140 m² | +53 m² +61% | 2025 |
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| 197d, Church Road141 m away | 38 m² | 90 m² | +52 m² +137% | 2023 |
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| 28, Geoffrey Avenue591 m away | 51 m² | 103 m² | +52 m² +102% | 2021 |
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| 24, Sunnydene Close430 m away | 72 m² | 123 m² | +51 m² +71% | 2014 |
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| 52, Geoffrey Avenue591 m away | 69 m² | 117 m² | +48 m² +70% | 2021 |
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| 6, St Neots Road593 m away | 58 m² | 104 m² | +46 m² +79% | 2026 |
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| 44, Rosslyn Avenue956 m away | 98 m² | 141 m² | +43 m² +44% | 2024 |
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| 46, Colne Drive732 m away | 65 m² | 106 m² | +41 m² +63% | 2021 |
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| 42, Church Road747 m away | 72 m² | 112 m² | +40 m² +56% | 2026 |
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| 10, Church Road747 m away | 70 m² | 110 m² | +40 m² +57% | 2025 |
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| 73, Camborne Avenue914 m away | 83 m² | 123 m² | +40 m² +48% | 2025 |
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| 21, Athelstan Road616 m away | 91 m² | 131 m² | +40 m² +44% | 2024 |
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| 11, Athelstan Road703 m away | 121 m² | 160 m² | +39 m² +32% | 2021 |
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| 19, Hall Terrace423 m away | 122 m² | 156 m² | +34 m² +28% | 2026 |
|---|
| 46, Queens Park Road172 m away | 83 m² | 117 m² | +34 m² +41% | 2018 |
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| 3, Abbotts Court, Queens Park Road261 m away | 31 m² | 64 m² | +33 m² +106% | 2025 |
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| 2, Saxon Close636 m away | 76 m² | 109 m² | +33 m² +43% | 2023 |
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| 17, Harold Court Road876 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
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| 10, Lancing Road867 m away | 87 m² | 118 m² | +31 m² +36% | 2025 |
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| 4, Chelsworth Close600 m away | 87 m² | 118 m² | +31 m² +36% | 2024 |
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| 53, Arundel Road320 m away | 130 m² | 161 m² | +31 m² +24% | 2015 |
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| 42, Court Avenue434 m away | 76 m² | 106 m² | +30 m² +39% | 2026 |
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| 33, Arlington Gardens875 m away | 95 m² | 125 m² | +30 m² +32% | 2026 |
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| 31, Arlington Gardens875 m away | 119 m² | 149 m² | +30 m² +25% | 2015 |
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| 40, Amersham Road901 m away | 64 m² | 93 m² | +29 m² +45% | 2024 |
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| 12, Retford Close609 m away | 91 m² | 120 m² | +29 m² +32% | 2020 |
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| 37, St Clements Avenue700 m away | 154 m² | 183 m² | +29 m² +19% | 2015 |
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| 21, Briars Walk885 m away | 78 m² | 106 m² | +28 m² +36% | 2021 |
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| 31, Sussex Avenue295 m away | 90 m² | 118 m² | +28 m² +31% | 2020 |
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| 14, Keighley Road963 m away | 83 m² | 110 m² | +27 m² +33% | 2025 |
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| 48, Colne Drive732 m away | 65 m² | 92 m² | +27 m² +42% | 2024 |
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| 4, Camborne Way738 m away | 91 m² | 117 m² | +26 m² +29% | 2024 |
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| 158, Squirrels Heath Road801 m away | 128 m² | 154 m² | +26 m² +20% | 2024 |
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| 16, Penrith Road709 m away | 78 m² | 104 m² | +26 m² +33% | 2023 |
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| 15, Avenue Road255 m away | 31 m² | 56 m² | +25 m² +81% | 2026 |
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| 40, Elgin Avenue796 m away | 77 m² | 102 m² | +25 m² +32% | 2026 |
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| 74, Amersham Road901 m away | 101 m² | 126 m² | +25 m² +25% | 2025 |
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| 65, Sackville Crescent962 m away | 81 m² | 106 m² | +25 m² +31% | 2021 |
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| 32, Court Avenue434 m away | 60 m² | 84 m² | +24 m² +40% | 2013 |
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| 25, Arundel Road320 m away | 51 m² | 74 m² | +23 m² +45% | 2026 |
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| 172, Squirrels Heath Road801 m away | 115 m² | 138 m² | +23 m² +20% | 2026 |
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| 1, Melksham Close679 m away | 92 m² | 115 m² | +23 m² +25% | 2023 |
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| Flat 1, Harold Court House, Church Road747 m away | 64 m² | 87 m² | +23 m² +36% | 2019 |
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| 161, Church Road112 m away | 73 m² | 95 m² | +22 m² +30% | 2026 |
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| 14, Amersham Road742 m away | 86 m² | 108 m² | +22 m² +26% | 2023 |
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| 21, The Drive624 m away | 89 m² | 111 m² | +22 m² +25% | 2022 |
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| 39, Oak Road543 m away | 20 m² | 41 m² | +21 m² +105% | 2024 |
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| 92, Rosslyn Avenue956 m away | 110 m² | 131 m² | +21 m² +19% | 2024 |
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| 45, Gubbins Lane681 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
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| 6, Melksham Green650 m away | 84 m² | 105 m² | +21 m² +25% | 2021 |
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| 10, Reginald Road315 m away | 117 m² | 137 m² | +20 m² +17% | 2026 |
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| 185b, Church Road0 m away | 85 m² | 105 m² | +20 m² +24% | 2023 |
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| 29, Church Road747 m away | 94 m² | 114 m² | +20 m² +21% | 2023 |
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| 4, Arundel Road350 m away | 74 m² | 94 m² | +20 m² +27% | 2021 |
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| 18, Amersham Close655 m away | 90 m² | 110 m² | +20 m² +22% | 2021 |
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| 1, Pearcy Close873 m away | 91 m² | 110 m² | +19 m² +21% | 2026 |
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| 228, Petersfield Avenue810 m away | 91 m² | 110 m² | +19 m² +21% | 2025 |
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| 6, Birkdale Avenue192 m away | 77 m² | 96 m² | +19 m² +25% | 2024 |
|---|
| 36, Church Road747 m away | 64 m² | 83 m² | +19 m² +30% | 2021 |
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| 44, Harold Court Road838 m away | 81 m² | 100 m² | +19 m² +23% | 2020 |
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| 20, David Drive487 m away | 57 m² | 76 m² | +19 m² +33% | 2019 |
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| 91, Arlington Gardens816 m away | 51 m² | 70 m² | +19 m² +37% | 2016 |
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| 3, Amersham Road742 m away | 92 m² | 111 m² | +19 m² +21% | 2010 |
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| 51, Retford Road561 m away | 85 m² | 103 m² | +18 m² +21% | 2024 |
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| 2b, Athelstan Road703 m away | 106 m² | 124 m² | +18 m² +17% | 2023 |
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| 20, Melksham Gardens675 m away | 63 m² | 81 m² | +18 m² +29% | 2022 |
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| 64, Amersham Road901 m away | 69 m² | 87 m² | +18 m² +26% | 2021 |
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| 40, Church Road747 m away | 43 m² | 61 m² | +18 m² +42% | 2020 |
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| 128, Gubbins Lane450 m away | 59 m² | 77 m² | +18 m² +31% | 2016 |
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| 50, Gubbins Lane681 m away | 47 m² | 65 m² | +18 m² +38% | 2009 |
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| 68, Gubbins Lane477 m away | 73 m² | 90 m² | +17 m² +23% | 2025 |
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| 36, Ethelburga Road519 m away | 76 m² | 93 m² | +17 m² +22% | 2021 |
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| 137, Squirrels Heath Road791 m away | 83 m² | 100 m² | +17 m² +20% | 2020 |
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| 109, Avenue Road340 m away | 90 m² | 107 m² | +17 m² +19% | 2016 |
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| 81, Petersfield Avenue810 m away | 42 m² | 58 m² | +16 m² +38% | 2024 |
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| 66, Halesworth Road940 m away | 88 m² | 104 m² | +16 m² +18% | 2023 |
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| Apartment 1, Russell Wilson Court, 150, Church Road139 m away | 38 m² | 54 m² | +16 m² +42% | 2020 |
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| 32, Harris Close763 m away | 79 m² | 95 m² | +16 m² +20% | 2020 |
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| 14, Thurso Close814 m away | 83 m² | 99 m² | +16 m² +19% | 2020 |
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| 11, Wednesbury Green495 m away | 81 m² | 96 m² | +15 m² +19% | 2025 |
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| 142a, Church Road141 m away | 91 m² | 106 m² | +15 m² +16% | 2020 |
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| 6, Halidon Rise681 m away | 74 m² | 89 m² | +15 m² +20% | 2019 |
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| 56, David Drive487 m away | 51 m² | 66 m² | +15 m² +29% | 2013 |
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