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 6NH
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 |
|---|---|---|---|---|
| 125, Bullsmoor Lane893 m away | 127 m² | 235 m² | +108 m² +85% | 2015 |
| 24, Turkey Street432 m away | 91 m² | 192 m² | +101 m² +111% | 2026 |
| 2, Catherine Road449 m away | 108 m² | 204 m² | +96 m² +89% | 2026 |
| 6, Colvin Gardens881 m away | 104 m² | 189 m² | +85 m² +82% | 2024 |
| 51, Larmans Road220 m away | 75 m² | 149 m² | +74 m² +99% | 2021 |
| 30, Marryat Road983 m away | 85 m² | 159 m² | +74 m² +87% | 2021 |
| 54, Forest Road563 m away | 81 m² | 155 m² | +74 m² +91% | 2020 |
| 11, Ingersoll Road951 m away | 84 m² | 157 m² | +73 m² +87% | 2025 |
| 15, Holly Road428 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.
| 55 m² |
| 121 m² |
| +66 m² +120% |
| 2023 |
| 27, Cocker Road676 m away | 73 m² | 135 m² | +62 m² +85% | 2026 |
|---|
| 102, Larmans Road298 m away | 84 m² | 146 m² | +62 m² +74% | 2017 |
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| 57, Longfield Avenue668 m away | 66 m² | 127 m² | +61 m² +92% | 2025 |
|---|
| 25, Colvin Gardens881 m away | 80 m² | 141 m² | +61 m² +76% | 2023 |
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| 30, Grove Gardens981 m away | 71 m² | 127 m² | +56 m² +79% | 2026 |
|---|
| 140, Turkey Street918 m away | 114 m² | 170 m² | +56 m² +49% | 2016 |
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| 47, Grove Gardens981 m away | 74 m² | 128 m² | +54 m² +73% | 2016 |
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| 862, Hertford Road588 m away | 79 m² | 132 m² | +53 m² +67% | 2021 |
|---|
| 24, Connop Road603 m away | 78 m² | 131 m² | +53 m² +68% | 2019 |
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| 15, St Stephens Road470 m away | 78 m² | 126 m² | +48 m² +62% | 2024 |
|---|
| 2, Meadway196 m away | 110 m² | 157 m² | +47 m² +43% | 2023 |
|---|
| 11, Goodwood Avenue616 m away | 62 m² | 109 m² | +47 m² +76% | 2023 |
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| 37, Grove Gardens981 m away | 65 m² | 112 m² | +47 m² +72% | 2022 |
|---|
| 50, Tysoe Avenue787 m away | 77 m² | 122 m² | +45 m² +58% | 2022 |
|---|
| 12, Ferndale Road659 m away | 45 m² | 90 m² | +45 m² +100% | 2014 |
|---|
| 67, Malvern Road540 m away | 78 m² | 122 m² | +44 m² +56% | 2024 |
|---|
| 33, Catherine Road449 m away | 40 m² | 84 m² | +44 m² +110% | 2018 |
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| 44, Marryat Road983 m away | 40 m² | 84 m² | +44 m² +110% | 2014 |
|---|
| 57, Winnington Road782 m away | 72 m² | 115 m² | +43 m² +60% | 2024 |
|---|
| 100, Newbury Avenue992 m away | 72 m² | 115 m² | +43 m² +60% | 2023 |
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| 55, Kettering Road337 m away | 43 m² | 86 m² | +43 m² +100% | 2017 |
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| 12, Tysoe Avenue787 m away | 64 m² | 107 m² | +43 m² +67% | 2017 |
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| 8, Uckfield Road452 m away | 137 m² | 179 m² | +42 m² +31% | 2024 |
|---|
| 33, Chesterfield Road584 m away | 80 m² | 122 m² | +42 m² +53% | 2013 |
|---|
| 567a, Hertford Road433 m away | 62 m² | 104 m² | +42 m² +68% | 2008 |
|---|
| 1, Dendridge Close954 m away | 39 m² | 80 m² | +41 m² +105% | 2025 |
|---|
| 79, Kettering Road337 m away | 44 m² | 85 m² | +41 m² +93% | 2016 |
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| 51, Balmoral Road403 m away | 82 m² | 123 m² | +41 m² +50% | 2015 |
|---|
| 42, Windsor Road439 m away | 66 m² | 106 m² | +40 m² +61% | 2026 |
|---|
| 6, Masons Road756 m away | 84 m² | 124 m² | +40 m² +48% | 2026 |
|---|
| 5, Colvin Gardens881 m away | 83 m² | 123 m² | +40 m² +48% | 2026 |
|---|
| 59, Chestnut Road589 m away | 69 m² | 109 m² | +40 m² +58% | 2022 |
|---|
| 137, Beaconsfield Road598 m away | 63 m² | 103 m² | +40 m² +63% | 2010 |
|---|
| 64, Putney Road204 m away | 102 m² | 141 m² | +39 m² +38% | 2023 |
|---|
| 38, Bullsmoor Lane728 m away | 81 m² | 120 m² | +39 m² +48% | 2021 |
|---|
| 3, Meadway173 m away | 97 m² | 136 m² | +39 m² +40% | 2020 |
|---|
| 56, Newbury Avenue930 m away | 34 m² | 73 m² | +39 m² +115% | 2016 |
|---|
| 26, Kempe Road886 m away | 43 m² | 82 m² | +39 m² +91% | 2009 |
|---|
| 205, Park Road859 m away | 35 m² | 73 m² | +38 m² +109% | 2014 |
|---|
| 78, Totteridge Road161 m away | 95 m² | 132 m² | +37 m² +39% | 2024 |
|---|
| 115, Mandeville Road335 m away | 87 m² | 124 m² | +37 m² +43% | 2019 |
|---|
| 45, Putney Road204 m away | 107 m² | 144 m² | +37 m² +35% | 2013 |
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| 23, Totteridge Road97 m away | 58 m² | 94 m² | +36 m² +62% | 2019 |
|---|
| 15, Winnington Road875 m away | 70 m² | 105 m² | +35 m² +50% | 2025 |
|---|
| 21, Ascot Gardens543 m away | 87 m² | 122 m² | +35 m² +40% | 2019 |
|---|
| 129, Bell Lane914 m away | 69 m² | 104 m² | +35 m² +51% | 2018 |
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| 798, Hertford Road355 m away | 52 m² | 87 m² | +35 m² +67% | 2013 |
|---|
| 100, Bullsmoor Lane788 m away | 44 m² | 79 m² | +35 m² +80% | 2013 |
|---|
| 172, Elsinge Road820 m away | 41 m² | 76 m² | +35 m² +85% | 2010 |
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| 72, Turkey Street642 m away | 26 m² | 61 m² | +35 m² +135% | 2009 |
|---|
| 9, Gilbert Street379 m away | 54 m² | 88 m² | +34 m² +63% | 2023 |
|---|
| 38b, Allandale Road281 m away | 61 m² | 95 m² | +34 m² +56% | 2021 |
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| 14, Lackmore Road910 m away | 107 m² | 140 m² | +33 m² +31% | 2025 |
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| 618a, Hertford Road425 m away | 85 m² | 118 m² | +33 m² +39% | 2023 |
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| 101, Longfield Avenue773 m away | 91 m² | 124 m² | +33 m² +36% | 2016 |
|---|
| 162, Albany Park Avenue996 m away | 100 m² | 133 m² | +33 m² +33% | 2013 |
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| 101, Bullsmoor Lane855 m away | 115 m² | 147 m² | +32 m² +28% | 2024 |
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| 55, Elsinge Road818 m away | 114 m² | 146 m² | +32 m² +28% | 2023 |
|---|
| 7, Totteridge Road97 m away | 120 m² | 152 m² | +32 m² +27% | 2018 |
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| 74, Elsinge Road769 m away | 84 m² | 115 m² | +31 m² +37% | 2025 |
|---|
| 56, Turkey Street524 m away | 73 m² | 104 m² | +31 m² +42% | 2022 |
|---|
| 46, Forest Road563 m away | 105 m² | 136 m² | +31 m² +30% | 2020 |
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| 1650, Great Cambridge Road986 m away | 97 m² | 128 m² | +31 m² +32% | 2015 |
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| 62, Totteridge Road161 m away | 89 m² | 119 m² | +30 m² +34% | 2024 |
|---|
| 79, Cunningham Avenue448 m away | 59 m² | 89 m² | +30 m² +51% | 2013 |
|---|
| 123, Beaconsfield Road519 m away | 79 m² | 108 m² | +29 m² +37% | 2025 |
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| 88a, Mandeville Road335 m away | 52 m² | 81 m² | +29 m² +56% | 2022 |
|---|
| 30, Cracknell Close953 m away | 56 m² | 85 m² | +29 m² +52% | 2022 |
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| 26b, Ordnance Road182 m away | 38 m² | 67 m² | +29 m² +76% | 2021 |
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| 2, Charnwood Road849 m away | 120 m² | 149 m² | +29 m² +24% | 2020 |
|---|
| 36, Putney Road204 m away | 87 m² | 116 m² | +29 m² +33% | 2019 |
|---|
| 39, Tysoe Avenue825 m away | 72 m² | 101 m² | +29 m² +40% | 2018 |
|---|
| 23, Eastfield Road856 m away | 62 m² | 91 m² | +29 m² +47% | 2015 |
|---|
| 162, Park Road899 m away | 68 m² | 97 m² | +29 m² +43% | 2014 |
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| 213, Albany Park Avenue996 m away | 66 m² | 94 m² | +28 m² +42% | 2026 |
|---|
| 815, Hertford Road512 m away | 111 m² | 139 m² | +28 m² +25% | 2025 |
|---|
| 50, The Loning889 m away | 68 m² | 96 m² | +28 m² +41% | 2022 |
|---|
| 17, Albany Road555 m away | 56 m² | 84 m² | +28 m² +50% | 2021 |
|---|
| 18, The Loning834 m away | 77 m² | 105 m² | +28 m² +36% | 2019 |
|---|
| 4, Totteridge Road97 m away | 109 m² | 136 m² | +27 m² +25% | 2024 |
|---|
| 81, Albany Road584 m away | 73 m² | 100 m² | +27 m² +37% | 2023 |
|---|
| 1608, Great Cambridge Road986 m away | 114 m² | 141 m² | +27 m² +24% | 2021 |
|---|
| 36, Bullsmoor Lane728 m away | 115 m² | 142 m² | +27 m² +23% | 2019 |
|---|
| 207, Beaconsfield Road702 m away | 100 m² | 127 m² | +27 m² +27% | 2014 |
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| 44, Auckland Close842 m away | 81 m² | 108 m² | +27 m² +33% | 2013 |
|---|
| 23, Hornbeams Avenue846 m away | 78 m² | 104 m² | +26 m² +33% | 2025 |
|---|
| 18, Meadway196 m away | 95 m² | 121 m² | +26 m² +27% | 2024 |
|---|
| 18, Dell Road753 m away | 80 m² | 106 m² | +26 m² +33% | 2024 |
|---|
| 22, Meadway196 m away | 92 m² | 118 m² | +26 m² +28% | 2022 |
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| 48, Cunningham Avenue623 m away | 94 m² | 120 m² | +26 m² +28% | 2014 |
|---|
| 54, Cherry Road796 m away | 72 m² | 97 m² | +25 m² +35% | 2025 |
|---|
| 70, Mandeville Road342 m away | 68 m² | 93 m² | +25 m² +37% | 2014 |
|---|
| 40, Manly Dixon Drive516 m away | 69 m² | 94 m² | +25 m² +36% | 2014 |
|---|
| 94, St Stephens Road449 m away | 38 m² | 63 m² | +25 m² +66% | 2013 |
|---|
| 3, Gilbert Street379 m away | 82 m² | 106 m² | +24 m² +29% | 2026 |
|---|
| 209, Bullsmoor Lane998 m away | 106 m² | 130 m² | +24 m² +23% | 2026 |
|---|
| 819, Hertford Road512 m away | 117 m² | 141 m² | +24 m² +21% | 2024 |
|---|
| 124, Mandeville Road356 m away | 101 m² | 125 m² | +24 m² +24% | 2019 |
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| 36, Ashton Road462 m away | 61 m² | 85 m² | +24 m² +39% | 2014 |
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| 28, Lytton Avenue986 m away | 95 m² | 119 m² | +24 m² +25% | 2014 |
|---|
| 34, Ingersoll Road951 m away | 88 m² | 112 m² | +24 m² +27% | 2013 |
|---|
| 29a, Uckfield Road428 m away | 57 m² | 80 m² | +23 m² +40% | 2026 |
|---|
| 24, Princes Avenue702 m away | 70 m² | 93 m² | +23 m² +33% | 2026 |
|---|
| 10, Tysoe Avenue787 m away | 84 m² | 107 m² | +23 m² +27% | 2025 |
|---|
| 84, Newbury Avenue930 m away | 73 m² | 96 m² | +23 m² +32% | 2024 |
|---|
| 83, Turkey Street835 m away | 33 m² | 56 m² | +23 m² +70% | 2022 |
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| 79, Turkey Street835 m away | 33 m² | 56 m² | +23 m² +70% | 2022 |
|---|
| 54, Lytton Avenue986 m away | 69 m² | 92 m² | +23 m² +33% | 2022 |
|---|
| 2a, Mandeville Road340 m away | 19 m² | 42 m² | +23 m² +121% | 2021 |
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| 141, Ordnance Road422 m away | 134 m² | 157 m² | +23 m² +17% | 2021 |
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| 799a, Hertford Road512 m away | 47 m² | 70 m² | +23 m² +49% | 2021 |
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| 805, Hertford Road512 m away | 141 m² | 164 m² | +23 m² +16% | 2020 |
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| 67, Unity Road352 m away | 95 m² | 118 m² | +23 m² +24% | 2017 |
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| 86, Larmans Road298 m away | 53 m² | 76 m² | +23 m² +43% | 2016 |
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| 19, Forest Road463 m away | 45 m² | 68 m² | +23 m² +51% | 2011 |
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| 62, Kingsfield Drive677 m away | 64 m² | 87 m² | +23 m² +36% | 2011 |
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| 59, Winnington Road714 m away | 61 m² | 83 m² | +22 m² +36% | 2026 |
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| 126, Turkey Street918 m away | 57 m² | 79 m² | +22 m² +39% | 2024 |
|---|
| 3, Lovell Road943 m away | 116 m² | 138 m² | +22 m² +19% | 2024 |
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| 5, Soham Road963 m away | 78 m² | 100 m² | +22 m² +28% | 2024 |
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| 30, Putney Road204 m away | 81 m² | 103 m² | +22 m² +27% | 2023 |
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| 1, Jervis Avenue817 m away | 63 m² | 85 m² | +22 m² +35% | 2023 |
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| 93, Turkey Street835 m away | 34 m² | 56 m² | +22 m² +65% | 2022 |
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| 8, Lackmore Road910 m away | 67 m² | 89 m² | +22 m² +33% | 2022 |
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| 17, Ferns Close549 m away | 88 m² | 110 m² | +22 m² +25% | 2021 |
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| 118, Bradley Road933 m away | 63 m² | 85 m² | +22 m² +35% | 2021 |
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| 63, Mapleton Crescent934 m away | 78 m² | 100 m² | +22 m² +28% | 2021 |
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| 18, Archibald Close270 m away | 59 m² | 81 m² | +22 m² +37% | 2020 |
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| 23, Malvern Road585 m away | 74 m² | 96 m² | +22 m² +30% | 2014 |
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| 5, Aspen Way523 m away | 91 m² | 113 m² | +22 m² +24% | 2013 |
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| 45, Rotherfield Road417 m away | 84 m² | 105 m² | +21 m² +25% | 2026 |
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| 1, Brookside Gardens667 m away | 95 m² | 116 m² | +21 m² +22% | 2024 |
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| 5, Charnwood Road849 m away | 115 m² | 136 m² | +21 m² +18% | 2022 |
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| 906, Hertford Road685 m away | 39 m² | 60 m² | +21 m² +54% | 2021 |
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| 22, Soham Road963 m away | 87 m² | 108 m² | +21 m² +24% | 2021 |
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| 27, Princes Avenue602 m away | 72 m² | 93 m² | +21 m² +29% | 2019 |
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| 21, Tysoe Avenue825 m away | 71 m² | 92 m² | +21 m² +30% | 2015 |
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| 23, Bridgend Road887 m away | 99 m² | 120 m² | +21 m² +21% | 2014 |
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| 57, Elsinge Road818 m away | 75 m² | 96 m² | +21 m² +28% | 2013 |
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| 69, Catisfield Road527 m away | 84 m² | 104 m² | +20 m² +24% | 2026 |
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| 11, St Stephens Road470 m away | 85 m² | 105 m² | +20 m² +24% | 2025 |
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| 738a, Hertford Road131 m away | 44 m² | 64 m² | +20 m² +45% | 2022 |
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| 120a, Ordnance Road422 m away | 50 m² | 70 m² | +20 m² +40% | 2021 |
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| 81, Totteridge Road251 m away | 74 m² | 94 m² | +20 m² +27% | 2019 |
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| 63, Guernsey House, 4, Eastfield Road813 m away | 48 m² | 68 m² | +20 m² +42% | 2018 |
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| 53, Guernsey House, 4, Eastfield Road813 m away | 48 m² | 68 m² | +20 m² +42% | 2018 |
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| 32, Guernsey House, 4, Eastfield Road813 m away | 47 m² | 67 m² | +20 m² +43% | 2015 |
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| 54, Longfield Avenue668 m away | 89 m² | 109 m² | +20 m² +22% | 2014 |
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| 61, Unity Road352 m away | 77 m² | 96 m² | +19 m² +25% | 2025 |
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| 53, Kingsfield Drive707 m away | 95 m² | 114 m² | +19 m² +20% | 2023 |
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| 86, Winnington Road782 m away | 62 m² | 81 m² | +19 m² +31% | 2023 |
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| 23, Ascot Gardens543 m away | 78 m² | 97 m² | +19 m² +24% | 2020 |
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| 45, Hoe Lane926 m away | 64 m² | 83 m² | +19 m² +30% | 2015 |
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| 60, Longfield Avenue773 m away | 73 m² | 92 m² | +19 m² +26% | 2014 |
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| 41, Bridle Close885 m away | 38 m² | 57 m² | +19 m² +50% | 2014 |
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| 42, Forest Road463 m away | 80 m² | 98 m² | +18 m² +23% | 2026 |
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| 52a, Holmwood Road266 m away | 49 m² | 67 m² | +18 m² +37% | 2024 |
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| 25b, Mandeville Road340 m away | 52 m² | 70 m² | +18 m² +35% | 2024 |
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| 183, Park Road812 m away | 78 m² | 96 m² | +18 m² +23% | 2024 |
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| 18, Vernon Avenue695 m away | 78 m² | 96 m² | +18 m² +23% | 2023 |
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| 67, Turkey Street779 m away | 74 m² | 92 m² | +18 m² +24% | 2022 |
|---|
| 11, Bridgend Road887 m away | 74 m² | 92 m² | +18 m² +24% | 2021 |
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| 108, Newbury Avenue992 m away | 74 m² | 92 m² | +18 m² +24% | 2021 |
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| 20, Carpenters Road724 m away | 46 m² | 64 m² | +18 m² +39% | 2020 |
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| 30a, Gilbert Street453 m away | 45 m² | 63 m² | +18 m² +40% | 2015 |
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| 30, Bridle Close885 m away | 40 m² | 58 m² | +18 m² +45% | 2014 |
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| 14, East Road890 m away | 91 m² | 109 m² | +18 m² +20% | 2014 |
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| 49, Hoe Lane926 m away | 63 m² | 81 m² | +18 m² +29% | 2014 |
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| 10, Holmesdale877 m away | 67 m² | 85 m² | +18 m² +27% | 2009 |
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| 811, Hertford Road512 m away | 113 m² | 130 m² | +17 m² +15% | 2025 |
|---|
| 86, Holmesdale937 m away | 72 m² | 89 m² | +17 m² +24% | 2024 |
|---|
| 42, Herm House, 10, Eastfield Road766 m away | 50 m² | 67 m² | +17 m² +34% | 2015 |
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| 191, Park Road812 m away | 71 m² | 88 m² | +17 m² +24% | 2014 |
|---|
| 8, Hoecroft Court, Hoe Lane943 m away | 56 m² | 73 m² | +17 m² +30% | 2014 |
|---|
| 27, Holly Road428 m away | 93 m² | 110 m² | +17 m² +18% | 2013 |
|---|
| 68, Tysoe Avenue787 m away | 39 m² | 56 m² | +17 m² +44% | 2009 |
|---|
| 8, Albany Road526 m away | 85 m² | 101 m² | +16 m² +19% | 2026 |
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| 130d, Beaconsfield Road702 m away | 62 m² | 78 m² | +16 m² +26% | 2026 |
|---|
| 52, Unity Road352 m away | 83 m² | 99 m² | +16 m² +19% | 2025 |
|---|
| 32, Totteridge Road97 m away | 90 m² | 106 m² | +16 m² +18% | 2023 |
|---|
| 239, Albany Park Avenue996 m away | 62 m² | 78 m² | +16 m² +26% | 2021 |
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| 776a, Hertford Road300 m away | 43 m² | 59 m² | +16 m² +37% | 2019 |
|---|
| 43, Broadoak Avenue623 m away | 83 m² | 99 m² | +16 m² +19% | 2017 |
|---|
| 62, Putney Road204 m away | 95 m² | 111 m² | +16 m² +17% | 2016 |
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| 71, Jersey House, 2, Eastfield Road816 m away | 51 m² | 67 m² | +16 m² +31% | 2015 |
|---|
| 491a, Hertford Road751 m away | 57 m² | 73 m² | +16 m² +28% | 2014 |
|---|
| 18a, Ordnance Road182 m away | 63 m² | 78 m² | +15 m² +24% | 2026 |
|---|
| 24, St Stephens Road449 m away | 59 m² | 74 m² | +15 m² +25% | 2023 |
|---|
| 130c, Beaconsfield Road702 m away | 45 m² | 60 m² | +15 m² +33% | 2021 |
|---|
| Flat 20, Glendean Court, 70, Tysoe Avenue787 m away | 38 m² | 53 m² | +15 m² +39% | 2020 |
|---|
| 28, Dendridge Close954 m away | 65 m² | 80 m² | +15 m² +23% | 2020 |
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