Finding extended homes…
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Sign in to keep them on every device →Finding extended homes…
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 EN3 5UP
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 |
|---|---|---|---|---|
| 24, Turkey Street153 m away | 91 m² | 192 m² | +101 m² +111% | 2026 |
| 2, Catherine Road653 m away | 108 m² | 204 m² | +96 m² +89% | 2026 |
| 4, Roedean Close899 m away | 94 m² | 183 m² | +89 m² +95% | 2024 |
| 188, Addison Road935 m away | 88 m² | 165 m² | +77 m² +88% | 2016 |
| 51, Larmans Road586 m away | 75 m² | 149 m² | +74 m² +99% | 2021 |
| 54, Forest Road853 m away | 81 m² | 155 m² | +74 m² +91% | 2020 |
| 11, Ingersoll Road572 m away | 84 m² | 157 m² | +73 m² +87% | 2025 |
| 15, Holly Road806 m away | 55 m² | 121 m² | +66 m² +120% | 2023 |
| 74, Addison Road913 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.
| 77 m² |
| 141 m² |
| +64 m² +83% |
| 2021 |
| 79, Redlands Road831 m away | 89 m² | 152 m² | +63 m² +71% | 2013 |
|---|
| 27, Cocker Road664 m away | 73 m² | 135 m² | +62 m² +85% | 2026 |
|---|
| 102, Larmans Road570 m away | 84 m² | 146 m² | +62 m² +74% | 2017 |
|---|
| 57, Longfield Avenue333 m away | 66 m² | 127 m² | +61 m² +92% | 2025 |
|---|
| 3, Addis Close866 m away | 68 m² | 129 m² | +61 m² +90% | 2024 |
|---|
| 30, Grove Gardens637 m away | 71 m² | 127 m² | +56 m² +79% | 2026 |
|---|
| 140, Turkey Street815 m away | 114 m² | 170 m² | +56 m² +49% | 2016 |
|---|
| 47, Grove Gardens637 m away | 74 m² | 128 m² | +54 m² +73% | 2016 |
|---|
| 862, Hertford Road967 m away | 79 m² | 132 m² | +53 m² +67% | 2021 |
|---|
| 24, Connop Road239 m away | 78 m² | 131 m² | +53 m² +68% | 2019 |
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| 15, St Stephens Road106 m away | 78 m² | 126 m² | +48 m² +62% | 2024 |
|---|
| 2, Meadway302 m away | 110 m² | 157 m² | +47 m² +43% | 2023 |
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| 11, Goodwood Avenue411 m away | 62 m² | 109 m² | +47 m² +76% | 2023 |
|---|
| 138, The Sunny Road890 m away | 46 m² | 93 m² | +47 m² +102% | 2023 |
|---|
| 37, Grove Gardens637 m away | 65 m² | 112 m² | +47 m² +72% | 2022 |
|---|
| 50, Tysoe Avenue962 m away | 77 m² | 122 m² | +45 m² +58% | 2022 |
|---|
| 12, Ferndale Road790 m away | 45 m² | 90 m² | +45 m² +100% | 2014 |
|---|
| 67, Malvern Road719 m away | 78 m² | 122 m² | +44 m² +56% | 2024 |
|---|
| 130, Greenwood Avenue858 m away | 34 m² | 78 m² | +44 m² +129% | 2020 |
|---|
| 33, Catherine Road653 m away | 40 m² | 84 m² | +44 m² +110% | 2018 |
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| 57, Winnington Road515 m away | 72 m² | 115 m² | +43 m² +60% | 2024 |
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| 100, Newbury Avenue957 m away | 72 m² | 115 m² | +43 m² +60% | 2023 |
|---|
| 55, Kettering Road49 m away | 43 m² | 86 m² | +43 m² +100% | 2017 |
|---|
| 12, Tysoe Avenue962 m away | 64 m² | 107 m² | +43 m² +67% | 2017 |
|---|
| 8, Uckfield Road369 m away | 137 m² | 179 m² | +42 m² +31% | 2024 |
|---|
| 33, Chesterfield Road549 m away | 80 m² | 122 m² | +42 m² +53% | 2013 |
|---|
| 1, Dendridge Close804 m away | 39 m² | 80 m² | +41 m² +105% | 2025 |
|---|
| 79, Kettering Road49 m away | 44 m² | 85 m² | +41 m² +93% | 2016 |
|---|
| 51, Balmoral Road746 m away | 82 m² | 123 m² | +41 m² +50% | 2015 |
|---|
| 42, Windsor Road735 m away | 66 m² | 106 m² | +40 m² +61% | 2026 |
|---|
| 6, Masons Road828 m away | 84 m² | 124 m² | +40 m² +48% | 2026 |
|---|
| 59, Chestnut Road901 m away | 69 m² | 109 m² | +40 m² +58% | 2022 |
|---|
| 137, Beaconsfield Road452 m away | 63 m² | 103 m² | +40 m² +63% | 2010 |
|---|
| 64, Putney Road531 m away | 102 m² | 141 m² | +39 m² +38% | 2023 |
|---|
| 3, Meadway336 m away | 97 m² | 136 m² | +39 m² +40% | 2020 |
|---|
| 56, Newbury Avenue941 m away | 34 m² | 73 m² | +39 m² +115% | 2016 |
|---|
| 26, Kempe Road915 m away | 43 m² | 82 m² | +39 m² +91% | 2009 |
|---|
| 78, Totteridge Road400 m away | 95 m² | 132 m² | +37 m² +39% | 2024 |
|---|
| 115, Mandeville Road662 m away | 87 m² | 124 m² | +37 m² +43% | 2019 |
|---|
| 45, Putney Road531 m away | 107 m² | 144 m² | +37 m² +35% | 2013 |
|---|
| 90, Crest Drive749 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
|---|
| 23, Totteridge Road305 m away | 58 m² | 94 m² | +36 m² +62% | 2019 |
|---|
| 1, Meadow Close753 m away | 74 m² | 110 m² | +36 m² +49% | 2012 |
|---|
| 15, Winnington Road569 m away | 70 m² | 105 m² | +35 m² +50% | 2025 |
|---|
| 21, Ascot Gardens289 m away | 87 m² | 122 m² | +35 m² +40% | 2019 |
|---|
| 129, Bell Lane610 m away | 69 m² | 104 m² | +35 m² +51% | 2018 |
|---|
| 798, Hertford Road734 m away | 52 m² | 87 m² | +35 m² +67% | 2013 |
|---|
| 72, Turkey Street494 m away | 26 m² | 61 m² | +35 m² +135% | 2009 |
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| 9, Gilbert Street148 m away | 54 m² | 88 m² | +34 m² +63% | 2023 |
|---|
| 38b, Allandale Road612 m away | 61 m² | 95 m² | +34 m² +56% | 2021 |
|---|
| 87, Roedean Avenue761 m away | 117 m² | 150 m² | +33 m² +28% | 2024 |
|---|
| 618a, Hertford Road80 m away | 85 m² | 118 m² | +33 m² +39% | 2023 |
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| 175, Albany Park Avenue776 m away | 26 m² | 59 m² | +33 m² +127% | 2020 |
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| 101, Longfield Avenue463 m away | 91 m² | 124 m² | +33 m² +36% | 2016 |
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| 162, Albany Park Avenue672 m away | 100 m² | 133 m² | +33 m² +33% | 2013 |
|---|
| 55, Elsinge Road837 m away | 114 m² | 146 m² | +32 m² +28% | 2023 |
|---|
| 7, Totteridge Road305 m away | 120 m² | 152 m² | +32 m² +27% | 2018 |
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| 74, Elsinge Road813 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
|---|
| 102, Addison Road916 m away | 63 m² | 94 m² | +31 m² +49% | 2023 |
|---|
| 56, Turkey Street317 m away | 73 m² | 104 m² | +31 m² +42% | 2022 |
|---|
| 46, Forest Road853 m away | 105 m² | 136 m² | +31 m² +30% | 2020 |
|---|
| 62, Totteridge Road400 m away | 89 m² | 119 m² | +30 m² +34% | 2024 |
|---|
| 201, Albany Park Avenue776 m away | 88 m² | 118 m² | +30 m² +34% | 2018 |
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| 79, Cunningham Avenue815 m away | 59 m² | 89 m² | +30 m² +51% | 2013 |
|---|
| 123, Beaconsfield Road315 m away | 79 m² | 108 m² | +29 m² +37% | 2025 |
|---|
| 88a, Mandeville Road662 m away | 52 m² | 81 m² | +29 m² +56% | 2022 |
|---|
| 30, Cracknell Close882 m away | 56 m² | 85 m² | +29 m² +52% | 2022 |
|---|
| 26b, Ordnance Road207 m away | 38 m² | 67 m² | +29 m² +76% | 2021 |
|---|
| 2, Charnwood Road888 m away | 120 m² | 149 m² | +29 m² +24% | 2020 |
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| 36, Putney Road531 m away | 87 m² | 116 m² | +29 m² +33% | 2019 |
|---|
| 39, Tysoe Avenue991 m away | 72 m² | 101 m² | +29 m² +40% | 2018 |
|---|
| 23, Eastfield Road485 m away | 62 m² | 91 m² | +29 m² +47% | 2015 |
|---|
| 213, Albany Park Avenue672 m away | 66 m² | 94 m² | +28 m² +42% | 2026 |
|---|
| 815, Hertford Road889 m away | 111 m² | 139 m² | +28 m² +25% | 2025 |
|---|
| 50, The Loning559 m away | 68 m² | 96 m² | +28 m² +41% | 2022 |
|---|
| 17, Albany Road202 m away | 56 m² | 84 m² | +28 m² +50% | 2021 |
|---|
| 18, The Loning489 m away | 77 m² | 105 m² | +28 m² +36% | 2019 |
|---|
| 4, Totteridge Road305 m away | 109 m² | 136 m² | +27 m² +25% | 2024 |
|---|
| 81, Albany Road303 m away | 73 m² | 100 m² | +27 m² +37% | 2023 |
|---|
| 3, Riley Road690 m away | 115 m² | 142 m² | +27 m² +23% | 2022 |
|---|
| 207, Beaconsfield Road616 m away | 100 m² | 127 m² | +27 m² +27% | 2014 |
|---|
| 44, Auckland Close686 m away | 81 m² | 108 m² | +27 m² +33% | 2013 |
|---|
| 23, Roedean Avenue998 m away | 85 m² | 112 m² | +27 m² +32% | 2013 |
|---|
| 18, Meadway302 m away | 95 m² | 121 m² | +26 m² +27% | 2024 |
|---|
| 18, Dell Road409 m away | 80 m² | 106 m² | +26 m² +33% | 2024 |
|---|
| 22, Meadway302 m away | 92 m² | 118 m² | +26 m² +28% | 2022 |
|---|
| 393a, Hertford Road794 m away | 71 m² | 97 m² | +26 m² +37% | 2016 |
|---|
| 48, Cunningham Avenue963 m away | 94 m² | 120 m² | +26 m² +28% | 2014 |
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| 54, Cherry Road424 m away | 72 m² | 97 m² | +25 m² +35% | 2025 |
|---|
| 80, Crest Drive749 m away | 80 m² | 105 m² | +25 m² +31% | 2023 |
|---|
| 70, Mandeville Road584 m away | 68 m² | 93 m² | +25 m² +37% | 2014 |
|---|
| 40, Manly Dixon Drive655 m away | 69 m² | 94 m² | +25 m² +36% | 2014 |
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| 94, St Stephens Road112 m away | 38 m² | 63 m² | +25 m² +66% | 2013 |
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| 3, Gilbert Street148 m away | 82 m² | 106 m² | +24 m² +29% | 2026 |
|---|
| 819, Hertford Road889 m away | 117 m² | 141 m² | +24 m² +21% | 2024 |
|---|
| 124, Mandeville Road713 m away | 101 m² | 125 m² | +24 m² +24% | 2019 |
|---|
| 9, Riley Road690 m away | 126 m² | 150 m² | +24 m² +19% | 2016 |
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| 36, Ashton Road715 m away | 61 m² | 85 m² | +24 m² +39% | 2014 |
|---|
| 28, Lytton Avenue881 m away | 95 m² | 119 m² | +24 m² +25% | 2014 |
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| 151, Stoneleigh Avenue941 m away | 64 m² | 88 m² | +24 m² +38% | 2014 |
|---|
| 34, Ingersoll Road572 m away | 88 m² | 112 m² | +24 m² +27% | 2013 |
|---|
| 58, Dendridge Close891 m away | 96 m² | 120 m² | +24 m² +25% | 2013 |
|---|
| 29a, Uckfield Road340 m away | 57 m² | 80 m² | +23 m² +40% | 2026 |
|---|
| 10, Tysoe Avenue962 m away | 84 m² | 107 m² | +23 m² +27% | 2025 |
|---|
| 84, Newbury Avenue941 m away | 73 m² | 96 m² | +23 m² +32% | 2024 |
|---|
| 83, Turkey Street749 m away | 33 m² | 56 m² | +23 m² +70% | 2022 |
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| 79, Turkey Street749 m away | 33 m² | 56 m² | +23 m² +70% | 2022 |
|---|
| 54, Lytton Avenue881 m away | 69 m² | 92 m² | +23 m² +33% | 2022 |
|---|
| 141, Ordnance Road469 m away | 134 m² | 157 m² | +23 m² +17% | 2021 |
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| 2a, Mandeville Road484 m away | 19 m² | 42 m² | +23 m² +121% | 2021 |
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| 799a, Hertford Road889 m away | 47 m² | 70 m² | +23 m² +49% | 2021 |
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| 805, Hertford Road889 m away | 141 m² | 164 m² | +23 m² +16% | 2020 |
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| 67, Unity Road306 m away | 95 m² | 118 m² | +23 m² +24% | 2017 |
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| 86, Larmans Road570 m away | 53 m² | 76 m² | +23 m² +43% | 2016 |
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| 59, Winnington Road495 m away | 61 m² | 83 m² | +22 m² +36% | 2026 |
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| 126, Turkey Street815 m away | 57 m² | 79 m² | +22 m² +39% | 2024 |
|---|
| 30, Putney Road531 m away | 81 m² | 103 m² | +22 m² +27% | 2023 |
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| 93, Turkey Street749 m away | 34 m² | 56 m² | +22 m² +65% | 2022 |
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| 63, Mapleton Crescent595 m away | 78 m² | 100 m² | +22 m² +28% | 2021 |
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| 118, Bradley Road876 m away | 63 m² | 85 m² | +22 m² +35% | 2021 |
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| 17, Ferns Close917 m away | 88 m² | 110 m² | +22 m² +25% | 2021 |
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| 18, Archibald Close640 m away | 59 m² | 81 m² | +22 m² +37% | 2020 |
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| 1, Lytton Avenue915 m away | 83 m² | 105 m² | +22 m² +27% | 2019 |
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| 30, Albany Park Avenue779 m away | 83 m² | 105 m² | +22 m² +27% | 2018 |
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| 23, Malvern Road715 m away | 74 m² | 96 m² | +22 m² +30% | 2014 |
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| 5, Aspen Way875 m away | 91 m² | 113 m² | +22 m² +24% | 2013 |
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| 45, Rotherfield Road216 m away | 84 m² | 105 m² | +21 m² +25% | 2026 |
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| 1, Brookside Gardens603 m away | 95 m² | 116 m² | +21 m² +22% | 2024 |
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| 5, Charnwood Road888 m away | 115 m² | 136 m² | +21 m² +18% | 2022 |
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| 27, Princes Avenue963 m away | 72 m² | 93 m² | +21 m² +29% | 2019 |
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| 21, Tysoe Avenue991 m away | 71 m² | 92 m² | +21 m² +30% | 2015 |
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| 57, Elsinge Road837 m away | 75 m² | 96 m² | +21 m² +28% | 2013 |
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| 69, Catisfield Road474 m away | 84 m² | 104 m² | +20 m² +24% | 2026 |
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| 11, St Stephens Road106 m away | 85 m² | 105 m² | +20 m² +24% | 2025 |
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| 738a, Hertford Road510 m away | 44 m² | 64 m² | +20 m² +45% | 2022 |
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| 120a, Ordnance Road501 m away | 50 m² | 70 m² | +20 m² +40% | 2021 |
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| 81, Totteridge Road468 m away | 74 m² | 94 m² | +20 m² +27% | 2019 |
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| 63, Guernsey House, 4, Eastfield Road454 m away | 48 m² | 68 m² | +20 m² +42% | 2018 |
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| 53, Guernsey House, 4, Eastfield Road454 m away | 48 m² | 68 m² | +20 m² +42% | 2018 |
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| 32, Guernsey House, 4, Eastfield Road454 m away | 47 m² | 67 m² | +20 m² +43% | 2015 |
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| 54, Longfield Avenue333 m away | 89 m² | 109 m² | +20 m² +22% | 2014 |
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| 61, Unity Road306 m away | 77 m² | 96 m² | +19 m² +25% | 2025 |
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| 4, Leda Avenue649 m away | 68 m² | 87 m² | +19 m² +28% | 2025 |
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| 86, Winnington Road515 m away | 62 m² | 81 m² | +19 m² +31% | 2023 |
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| 23, Ascot Gardens289 m away | 78 m² | 97 m² | +19 m² +24% | 2020 |
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| 76, Dendridge Close891 m away | 84 m² | 103 m² | +19 m² +23% | 2020 |
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| 210, Maltby Drive973 m away | 51 m² | 70 m² | +19 m² +37% | 2019 |
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| 45, Hoe Lane554 m away | 64 m² | 83 m² | +19 m² +30% | 2015 |
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| 60, Longfield Avenue463 m away | 73 m² | 92 m² | +19 m² +26% | 2014 |
|---|
| 96, Crest Drive749 m away | 99 m² | 118 m² | +19 m² +19% | 2014 |
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| 9, Dison Close994 m away | 65 m² | 84 m² | +19 m² +29% | 2013 |
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| 42, Forest Road786 m away | 80 m² | 98 m² | +18 m² +23% | 2026 |
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| 25b, Mandeville Road484 m away | 52 m² | 70 m² | +18 m² +35% | 2024 |
|---|
| 52a, Holmwood Road642 m away | 49 m² | 67 m² | +18 m² +37% | 2024 |
|---|
| 67, Turkey Street678 m away | 74 m² | 92 m² | +18 m² +24% | 2022 |
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| 23, Albany Park Avenue779 m away | 71 m² | 89 m² | +18 m² +25% | 2022 |
|---|
| 108, Newbury Avenue957 m away | 74 m² | 92 m² | +18 m² +24% | 2021 |
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| 20, Carpenters Road848 m away | 46 m² | 64 m² | +18 m² +39% | 2020 |
|---|
| 30a, Gilbert Street303 m away | 45 m² | 63 m² | +18 m² +40% | 2015 |
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| 14, East Road510 m away | 91 m² | 109 m² | +18 m² +20% | 2014 |
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| 49, Hoe Lane554 m away | 63 m² | 81 m² | +18 m² +29% | 2014 |
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| 811, Hertford Road889 m away | 113 m² | 130 m² | +17 m² +15% | 2025 |
|---|
| 50a, Hoe Lane675 m away | 47 m² | 64 m² | +17 m² +36% | 2021 |
|---|
| 19, Maltby Drive992 m away | 37 m² | 54 m² | +17 m² +46% | 2019 |
|---|
| 42, Herm House, 10, Eastfield Road387 m away | 50 m² | 67 m² | +17 m² +34% | 2015 |
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| 8, Hoecroft Court, Hoe Lane567 m away | 56 m² | 73 m² | +17 m² +30% | 2014 |
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| 27, Holly Road806 m away | 93 m² | 110 m² | +17 m² +18% | 2013 |
|---|
| 68, Tysoe Avenue962 m away | 39 m² | 56 m² | +17 m² +44% | 2009 |
|---|
| 8, Albany Road163 m away | 85 m² | 101 m² | +16 m² +19% | 2026 |
|---|
| 130d, Beaconsfield Road616 m away | 62 m² | 78 m² | +16 m² +26% | 2026 |
|---|
| 52, Unity Road306 m away | 83 m² | 99 m² | +16 m² +19% | 2025 |
|---|
| 32, Totteridge Road305 m away | 90 m² | 106 m² | +16 m² +18% | 2023 |
|---|
| 239, Albany Park Avenue672 m away | 62 m² | 78 m² | +16 m² +26% | 2021 |
|---|
| 776a, Hertford Road680 m away | 43 m² | 59 m² | +16 m² +37% | 2019 |
|---|
| 35, Meadow Close753 m away | 61 m² | 77 m² | +16 m² +26% | 2019 |
|---|
| 43, Broadoak Avenue993 m away | 83 m² | 99 m² | +16 m² +19% | 2017 |
|---|
| 62, Putney Road531 m away | 95 m² | 111 m² | +16 m² +17% | 2016 |
|---|
| 71, Jersey House, 2, Eastfield Road465 m away | 51 m² | 67 m² | +16 m² +31% | 2015 |
|---|
| 36, The Brightside889 m away | 55 m² | 71 m² | +16 m² +29% | 2015 |
|---|
| 491a, Hertford Road371 m away | 57 m² | 73 m² | +16 m² +28% | 2014 |
|---|
| 15, The Link949 m away | 71 m² | 87 m² | +16 m² +23% | 2013 |
|---|
| 18a, Ordnance Road207 m away | 63 m² | 78 m² | +15 m² +24% | 2026 |
|---|
| 103, Roedean Avenue761 m away | 62 m² | 77 m² | +15 m² +24% | 2024 |
|---|
| 24, St Stephens Road112 m away | 59 m² | 74 m² | +15 m² +25% | 2023 |
|---|
| 29, Crest Drive660 m away | 82 m² | 97 m² | +15 m² +18% | 2023 |
|---|
| 8, Addis Close866 m away | 66 m² | 81 m² | +15 m² +23% | 2022 |
|---|
| 130c, Beaconsfield Road616 m away | 45 m² | 60 m² | +15 m² +33% | 2021 |
|---|
| 28, Dendridge Close804 m away | 65 m² | 80 m² | +15 m² +23% | 2020 |
|---|
| Flat 20, Glendean Court, 70, Tysoe Avenue962 m away | 38 m² | 53 m² | +15 m² +39% | 2020 |
|---|
| 52, Ferndale Road796 m away | 28 m² | 43 m² | +15 m² +54% | 2019 |
|---|
| 121, Jersey House, 2, Eastfield Road465 m away | 52 m² | 67 m² | +15 m² +29% | 2015 |
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