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 EN8 0ED
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 |
|---|---|---|---|---|
| 18, Littlebrook Gardens779 m away | 153 m² | 296 m² | +143 m² +93% | 2020 |
| 13, Elgin Road853 m away | 97 m² | 205 m² | +108 m² +111% | 2025 |
| 8, Penton Drive432 m away | 92 m² | 196 m² | +104 m² +113% | 2026 |
| 41, Blindmans Lane569 m away | 69 m² | 165 m² | +96 m² +139% | 2023 |
| 15, Faverolle Green467 m away | 89 m² | 184 m² | +95 m² +107% | 2023 |
| 1, Palmers Way851 m away | 106 m² | 198 m² | +92 m² +87% | 2024 |
| 23, Elgin Road853 m away | 134 m² | 222 m² | +88 m² +66% | 2015 |
| 10, Greenall Close960 m away | 77 m² | 158 m² | +81 m² +105% | 2022 |
| 26, Church Lane143 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.
| 82 m² |
| 161 m² |
| +79 m² +96% |
| 2024 |
| 92, Cadmore Lane596 m away | 56 m² | 126 m² | +70 m² +125% | 2026 |
|---|
| 5, Harrison Walk958 m away | 111 m² | 180 m² | +69 m² +62% | 2016 |
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| 6, Sandon Road609 m away | 137 m² | 203 m² | +66 m² +48% | 2026 |
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| 197, Churchgate Road767 m away | 263 m² | 329 m² | +66 m² +25% | 2024 |
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| 2a, Churchfield Path234 m away | 92 m² | 156 m² | +64 m² +70% | 2016 |
|---|
| 17, Marina Gardens551 m away | 100 m² | 163 m² | +63 m² +63% | 2024 |
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| 7, Gibbs Close346 m away | 76 m² | 134 m² | +58 m² +76% | 2020 |
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| 3, Mylne Close716 m away | 149 m² | 207 m² | +58 m² +39% | 2015 |
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| 25, Rushleigh Avenue911 m away | 75 m² | 131 m² | +56 m² +75% | 2024 |
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| 90, Roundmoor Drive557 m away | 83 m² | 139 m² | +56 m² +67% | 2014 |
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| 32, Winton Drive647 m away | 59 m² | 113 m² | +54 m² +92% | 2025 |
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| 4, Flamstead End Road669 m away | 46 m² | 99 m² | +53 m² +115% | 2008 |
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| 92, Great Cambridge Road639 m away | 165 m² | 217 m² | +52 m² +32% | 2026 |
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| 45, Blindmans Lane569 m away | 62 m² | 113 m² | +51 m² +82% | 2019 |
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| 82, Windmill Lane921 m away | 84 m² | 133 m² | +49 m² +58% | 2024 |
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| 20, Morland Way648 m away | 93 m² | 141 m² | +48 m² +52% | 2025 |
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| 136, Whitefields Road491 m away | 70 m² | 118 m² | +48 m² +69% | 2017 |
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| 12, Richmond Close360 m away | 67 m² | 113 m² | +46 m² +69% | 2026 |
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| 109, Church Lane499 m away | 83 m² | 129 m² | +46 m² +55% | 2024 |
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| 21, Blindmans Lane666 m away | 227 m² | 273 m² | +46 m² +20% | 2023 |
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| 11, Anchor Close541 m away | 63 m² | 109 m² | +46 m² +73% | 2021 |
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| 1, Drakes Close564 m away | 134 m² | 178 m² | +44 m² +33% | 2024 |
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| 62, Roundmoor Drive660 m away | 76 m² | 120 m² | +44 m² +58% | 2014 |
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| Penlan, Cadmore Lane458 m away | 70 m² | 114 m² | +44 m² +63% | 2011 |
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| 113, Church Lane624 m away | 104 m² | 147 m² | +43 m² +41% | 2022 |
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| 108, Cadmore Lane596 m away | 91 m² | 134 m² | +43 m² +47% | 2015 |
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| Hilldene, Churchfield Path234 m away | 72 m² | 113 m² | +41 m² +57% | 2019 |
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| 147, Church Lane624 m away | 58 m² | 99 m² | +41 m² +71% | 2019 |
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| 4, Blindmans Lane666 m away | 78 m² | 119 m² | +41 m² +53% | 2017 |
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| 72, Dewhurst Road658 m away | 60 m² | 100 m² | +40 m² +67% | 2023 |
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| 47, Brookfield Lane600 m away | 84 m² | 124 m² | +40 m² +48% | 2020 |
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| 14, Penton Drive432 m away | 82 m² | 122 m² | +40 m² +49% | 2017 |
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| 23, Mylne Close716 m away | 121 m² | 160 m² | +39 m² +32% | 2025 |
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| 50, Mylne Close716 m away | 141 m² | 180 m² | +39 m² +28% | 2024 |
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| 17, Longfield Lane1000 m away | 27 m² | 66 m² | +39 m² +144% | 2020 |
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| 81, Cadmore Lane599 m away | 79 m² | 118 m² | +39 m² +49% | 2019 |
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| 30, Whitefields Road320 m away | 69 m² | 107 m² | +38 m² +55% | 2022 |
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| 5, Robsons Close491 m away | 81 m² | 119 m² | +38 m² +47% | 2022 |
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| 53, Cheshunt Wash948 m away | 80 m² | 118 m² | +38 m² +48% | 2020 |
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| 16, Pine Close282 m away | 98 m² | 136 m² | +38 m² +39% | 2017 |
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| 33, Hanbury Close683 m away | 56 m² | 94 m² | +38 m² +68% | 2012 |
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| 19, Landmead Road790 m away | 77 m² | 114 m² | +37 m² +48% | 2022 |
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| 17, Albury Grove Road861 m away | 66 m² | 102 m² | +36 m² +55% | 2021 |
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| 40, Westmeade Close874 m away | 82 m² | 118 m² | +36 m² +44% | 2015 |
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| 52, Roundmoor Drive819 m away | 76 m² | 111 m² | +35 m² +46% | 2024 |
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| 31, Great Cambridge Road915 m away | 94 m² | 129 m² | +35 m² +37% | 2022 |
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| 1, Audwick Close429 m away | 106 m² | 141 m² | +35 m² +33% | 2021 |
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| 69, Prospect Road441 m away | 117 m² | 151 m² | +34 m² +29% | 2024 |
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| 10, Westmeade Close874 m away | 80 m² | 114 m² | +34 m² +43% | 2023 |
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| 23, Bellamy Road488 m away | 99 m² | 133 m² | +34 m² +34% | 2016 |
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| 56, Beeston Drive648 m away | 62 m² | 96 m² | +34 m² +55% | 2014 |
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| 1, Hanbury Close683 m away | 82 m² | 114 m² | +32 m² +39% | 2026 |
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| 8, Cunningham Road880 m away | 78 m² | 110 m² | +32 m² +41% | 2026 |
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| 50, Long Moor624 m away | 74 m² | 106 m² | +32 m² +43% | 2023 |
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| 125, Cadmore Lane784 m away | 140 m² | 172 m² | +32 m² +23% | 2015 |
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| 7, Albury Walk921 m away | 73 m² | 104 m² | +31 m² +42% | 2026 |
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| 4, Wavell Close971 m away | 80 m² | 111 m² | +31 m² +39% | 2023 |
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| 23, Warwick Drive260 m away | 99 m² | 130 m² | +31 m² +31% | 2016 |
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| 8, Goffs Lane841 m away | 103 m² | 134 m² | +31 m² +30% | 2016 |
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| 12, Martins Drive654 m away | 80 m² | 111 m² | +31 m² +39% | 2015 |
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| 4, Cambridge Close336 m away | 73 m² | 104 m² | +31 m² +42% | 2014 |
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| 7, Prospect Road455 m away | 70 m² | 100 m² | +30 m² +43% | 2024 |
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| 53, Brookfield Gardens766 m away | 98 m² | 128 m² | +30 m² +31% | 2021 |
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| 216, Churchgate Road706 m away | 78 m² | 108 m² | +30 m² +38% | 2016 |
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| 8, Hillview Gardens930 m away | 78 m² | 108 m² | +30 m² +38% | 2015 |
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| 138, Churchgate763 m away | 87 m² | 116 m² | +29 m² +33% | 2020 |
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| 36, Martins Drive735 m away | 91 m² | 119 m² | +28 m² +31% | 2025 |
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| 12, Wavell Close971 m away | 85 m² | 113 m² | +28 m² +33% | 2014 |
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| 16, Westmeade Close874 m away | 134 m² | 161 m² | +27 m² +20% | 2026 |
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| 28, Park Lane973 m away | 111 m² | 138 m² | +27 m² +24% | 2015 |
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| 59, Flamstead End Road931 m away | 57 m² | 83 m² | +26 m² +46% | 2018 |
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| 154, Churchgate749 m away | 152 m² | 178 m² | +26 m² +17% | 2016 |
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| 7, Heaton Court, High Street194 m away | 30 m² | 56 m² | +26 m² +87% | 2011 |
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| 21, Magnolia Way383 m away | 99 m² | 124 m² | +25 m² +25% | 2026 |
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| 42, Aldermere Avenue437 m away | 63 m² | 88 m² | +25 m² +40% | 2025 |
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| 25, Cadmore Lane458 m away | 63 m² | 88 m² | +25 m² +40% | 2024 |
|---|
| 56, Church Lane310 m away | 134 m² | 158 m² | +24 m² +18% | 2026 |
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| 176, Churchgate749 m away | 91 m² | 115 m² | +24 m² +26% | 2026 |
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| 20, Cunningham Road880 m away | 42 m² | 66 m² | +24 m² +57% | 2026 |
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| 9a, Vincent Close589 m away | 86 m² | 110 m² | +24 m² +28% | 2025 |
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| 33, Maybury Avenue642 m away | 139 m² | 163 m² | +24 m² +17% | 2023 |
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| 16, Prescott Road897 m away | 79 m² | 103 m² | +24 m² +30% | 2019 |
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| 12, Rainer Close337 m away | 80 m² | 104 m² | +24 m² +30% | 2015 |
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| 21, Mylne Close716 m away | 130 m² | 154 m² | +24 m² +18% | 2015 |
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| 26, Rowlands Close583 m away | 69 m² | 93 m² | +24 m² +35% | 2014 |
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| 52, Elm Drive795 m away | 79 m² | 102 m² | +23 m² +29% | 2026 |
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| 9, Prospect Road455 m away | 86 m² | 109 m² | +23 m² +27% | 2024 |
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| 21, High Street135 m away | 42 m² | 65 m² | +23 m² +55% | 2022 |
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| 7, College Court707 m away | 84 m² | 107 m² | +23 m² +27% | 2020 |
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| 11, Niagara Close458 m away | 51 m² | 74 m² | +23 m² +45% | 2015 |
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| 2, Brookfield Gardens771 m away | 76 m² | 98 m² | +22 m² +29% | 2025 |
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| 37, Brookfield Gardens766 m away | 102 m² | 124 m² | +22 m² +22% | 2024 |
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| 64, Albury Grove Road861 m away | 72 m² | 94 m² | +22 m² +31% | 2021 |
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| 8, Riverside Path384 m away | 74 m² | 96 m² | +22 m² +30% | 2020 |
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| 2, Lensbury Close587 m away | 100 m² | 122 m² | +22 m² +22% | 2016 |
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| 46, Bullwell Crescent648 m away | 88 m² | 110 m² | +22 m² +25% | 2015 |
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| 6, Oldfield Drive697 m away | 129 m² | 150 m² | +21 m² +16% | 2025 |
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| 34, Ashdown Crescent517 m away | 93 m² | 114 m² | +21 m² +23% | 2014 |
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| 49, Prospect Road441 m away | 88 m² | 108 m² | +20 m² +23% | 2025 |
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| 74, Mill Lane831 m away | 79 m² | 99 m² | +20 m² +25% | 2025 |
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| 17, Robsons Close491 m away | 120 m² | 140 m² | +20 m² +17% | 2023 |
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| 32, Beeston Drive648 m away | 46 m² | 66 m² | +20 m² +43% | 2021 |
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| 60, Roundmoor Drive660 m away | 76 m² | 96 m² | +20 m² +26% | 2014 |
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| 60, Elm Drive795 m away | 90 m² | 109 m² | +19 m² +21% | 2026 |
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| 6, Tyfield Close822 m away | 109 m² | 128 m² | +19 m² +17% | 2025 |
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| 23, Albury Grove Road861 m away | 48 m² | 67 m² | +19 m² +40% | 2025 |
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| 115, Blindmans Lane270 m away | 123 m² | 142 m² | +19 m² +15% | 2024 |
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| 47, Birchfield Road649 m away | 78 m² | 97 m² | +19 m² +24% | 2024 |
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| 13, Brookfield Gardens766 m away | 30 m² | 49 m² | +19 m² +63% | 2021 |
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| 42, Brookfield Gardens771 m away | 111 m² | 130 m² | +19 m² +17% | 2021 |
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| 52, Bullwell Crescent648 m away | 118 m² | 137 m² | +19 m² +16% | 2019 |
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| 11, Gibbs Close346 m away | 80 m² | 99 m² | +19 m² +24% | 2015 |
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| 53, Rowlands Close690 m away | 77 m² | 96 m² | +19 m² +25% | 2014 |
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| 126, Great Cambridge Road639 m away | 98 m² | 116 m² | +18 m² +18% | 2025 |
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| 40, Hobbs Close0 m away | 56 m² | 74 m² | +18 m² +32% | 2021 |
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| 34, Albury Grove Road861 m away | 115 m² | 133 m² | +18 m² +16% | 2020 |
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| 2, Roundmoor Drive819 m away | 88 m² | 106 m² | +18 m² +20% | 2014 |
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| 15, The Mead370 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
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| 5, Maybury Avenue642 m away | 87 m² | 104 m² | +17 m² +20% | 2024 |
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| 35, Kingsley Avenue629 m away | 75 m² | 91 m² | +16 m² +21% | 2026 |
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| 145, Churchgate793 m away | 93 m² | 109 m² | +16 m² +17% | 2024 |
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| 4, Byron Court, 48, Flamstead End Road823 m away | 29 m² | 45 m² | +16 m² +55% | 2022 |
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| 26, Tuffnell Court, Coopers Walk355 m away | 84 m² | 100 m² | +16 m² +19% | 2018 |
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| 63, Lawrance Gardens452 m away | 88 m² | 104 m² | +16 m² +18% | 2016 |
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| 14, Vincent Close589 m away | 101 m² | 117 m² | +16 m² +16% | 2016 |
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| 55, Birchfield Road649 m away | 97 m² | 113 m² | +16 m² +16% | 2015 |
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| 92, Roundmoor Drive557 m away | 84 m² | 100 m² | +16 m² +19% | 2014 |
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| 31, Southbrook Drive527 m away | 74 m² | 89 m² | +15 m² +20% | 2025 |
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| 80, Bullwell Crescent648 m away | 89 m² | 104 m² | +15 m² +17% | 2025 |
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| 44, Warwick Drive204 m away | 73 m² | 88 m² | +15 m² +21% | 2024 |
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| 3, Kingsley Avenue629 m away | 50 m² | 65 m² | +15 m² +30% | 2023 |
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| Flat 14, Holt House, Flamstead End Road756 m away | 63 m² | 78 m² | +15 m² +24% | 2020 |
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| 72, Palmers Way836 m away | 76 m² | 91 m² | +15 m² +20% | 2019 |
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| 58, Whitefields Road368 m away | 65 m² | 80 m² | +15 m² +23% | 2014 |
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| 90, Birchfield Road629 m away | 69 m² | 84 m² | +15 m² +22% | 2014 |
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