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 N9 0JR
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 |
|---|---|---|---|---|
| 32, Brookfield Road846 m away | 86 m² | 184 m² | +98 m² +114% | 2022 |
| 76, Cambourne Avenue877 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 23, Wellington Avenue328 m away | 99 m² | 190 m² | +91 m² +92% | 2022 |
| 189, St Marys Road596 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 13, Brookfield Road896 m away | 60 m² | 138 m² | +78 m² +130% | 2017 |
| 19, Bury Street665 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 1, Lowden Road524 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 10, Lichfield Road986 m away | 100 m² | 168 m² | +68 m² +68% | 2020 |
| 228, Bounces Road225 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.
| 91 m² |
| 158 m² |
| +67 m² +74% |
| 2023 |
| 4, Brookfield Road846 m away | 96 m² | 163 m² | +67 m² +70% | 2016 |
|---|
| 24, Cornwallis Grove24 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
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| 13, Gordon Road179 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
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| 24, Coniston Gardens423 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
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| 195, St Marys Road596 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 76, Picketts Lock Lane911 m away | 85 m² | 147 m² | +62 m² +73% | 2025 |
|---|
| 228, Nightingale Road728 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
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| 92, Chester Road318 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
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| 37, Woodlands Road506 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
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| 38, Exeter Road98 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
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| 33, Balham Road645 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
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| 49, Lowden Road524 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
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| 165, Bounces Road248 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
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| 6, Kenwood Road760 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
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| 25, Seymour Road181 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
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| 31, Bury Street665 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
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| 69, Westminster Road330 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
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| 20, Warren Close943 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
|---|
| 80, Monmouth Road242 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
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| 175, Hertford Road578 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
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| 179, Montagu Road949 m away | 69 m² | 119 m² | +50 m² +72% | 2021 |
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| 53, Grosvenor Road479 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
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| 21, Findon Road616 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 300, Hertford Road659 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 44, Picketts Lock Lane911 m away | 74 m² | 122 m² | +48 m² +65% | 2024 |
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| 96, Winchester Road946 m away | 84 m² | 132 m² | +48 m² +57% | 2021 |
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| 220, Montagu Road894 m away | 75 m² | 123 m² | +48 m² +64% | 2015 |
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| 63, Chichester Road918 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
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| 15, St Peters Road299 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road649 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 73, Chiswick Road522 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 23, Rosemary Avenue456 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
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| 208, Bounces Road225 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 15, St Michaels Avenue969 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
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| 18, Logan Road160 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
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| 36, Colville Road761 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 57, Grosvenor Road479 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 14, Grosvenor Road486 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 75, Chiswick Road522 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 145, Jeremys Green825 m away | 70 m² | 113 m² | +43 m² +61% | 2026 |
|---|
| 42, Oxford Road257 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
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| 38, Granville Avenue443 m away | 70 m² | 112 m² | +42 m² +60% | 2013 |
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| 111, Winchester Road965 m away | 83 m² | 124 m² | +41 m² +49% | 2025 |
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| Flat 12, Chiltern House, Beaconsfield Road999 m away | 42 m² | 83 m² | +41 m² +98% | 2023 |
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| 35, Lion Road810 m away | 86 m² | 126 m² | +40 m² +47% | 2024 |
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| 40, Dover Road202 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 37, Jeremys Green975 m away | 36 m² | 75 m² | +39 m² +108% | 2024 |
|---|
| 19, Westoe Road243 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
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| 126, Town Road286 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
|---|
| 1, Brierley Avenue527 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
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| 40, Exeter Road98 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
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| 427, Montagu Road356 m away | 49 m² | 87 m² | +38 m² +78% | 2010 |
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| 60, Lion Road782 m away | 75 m² | 112 m² | +37 m² +49% | 2023 |
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| 22, Wellington Avenue325 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
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| 244, Hertford Road589 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
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| 2a, Densworth Grove293 m away | 74 m² | 111 m² | +37 m² +50% | 2020 |
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| 20, Coniston Gardens423 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
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| 23, Chester Road304 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
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| 48, Forest Road620 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
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| 66, St Peters Road309 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
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| 106, Exeter Road214 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
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| 27, Chiswick Road568 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
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| 215, Montagu Road949 m away | 85 m² | 120 m² | +35 m² +41% | 2024 |
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| 189, Bounces Road248 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 16, Oxford Road257 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
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| 70, Picketts Lock Lane911 m away | 71 m² | 106 m² | +35 m² +49% | 2017 |
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| 178, Bounces Road225 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
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| 49, Gordon Road179 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
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| 51, Chester Road304 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
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| 12, Oxford Road257 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
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| 53, Westminster Road330 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 7, Nash Road196 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 70, Lowden Road544 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 31, Westminster Road330 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
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| 45, Cornwallis Road109 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 97, Grosvenor Road479 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road682 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
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| 32, Wellstead Avenue998 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
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| 35, Bury Street665 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road728 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
|---|
| 1, Kingsmead Avenue384 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
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| 47, Oxford Road229 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
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| 70, Croyland Road630 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
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| 214, Hertford Road517 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
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| 292, Nightingale Road554 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
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| 3a, Keats Parade, Church Street805 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
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| 48, Winchester Road928 m away | 96 m² | 127 m² | +31 m² +32% | 2012 |
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| 15, North Road738 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
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| 131, St Marys Road596 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
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| 7, St Alphege Road994 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
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| 185c, Town Road360 m away | 52 m² | 82 m² | +30 m² +58% | 2019 |
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| 40, Denny Road694 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
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| 13, Ranworth Road176 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
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| 103, Winchester Road965 m away | 100 m² | 129 m² | +29 m² +29% | 2025 |
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| 19, Elstree Gardens357 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
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| 282, Nightingale Road554 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
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| 174, Croyland Road856 m away | 95 m² | 124 m² | +29 m² +31% | 2024 |
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| 11, Sawyer Close756 m away | 42 m² | 71 m² | +29 m² +69% | 2023 |
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| 28, Turin Road837 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
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| 8, Grosvenor Road486 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
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| 62, Tramway Avenue890 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
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| 24, Findon Road616 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
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| 133, St Marys Road596 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
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| 35, Doncaster Road817 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 38, Dover Road202 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
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| 5b, Balham Road645 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
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| 13, Oxford Road229 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 42, Balham Road690 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
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| 10, Sawyer Close756 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
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| 23, Grosvenor Road479 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
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| 35, Marsden Road298 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
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| 26, Gordon Road151 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
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| 90, Forest Road620 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
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| 101, Exeter Road214 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 57, Lowden Road524 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 100, Forest Road620 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 145, Bury Street914 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
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| 266a, St Marys Road618 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
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| 64, Cambourne Avenue877 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
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| 7, Dover Road202 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
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| 45, Penfold Road793 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
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| 11, Kingsmead Avenue384 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
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| 59, Lowden Road524 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 37, Harton Road203 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
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| 8, Bury Street575 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 57, Bath Road83 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 37, Cornwallis Road109 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| Flat 2, 10, Gareth Drive955 m away | 42 m² | 67 m² | +25 m² +60% | 2022 |
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| 99, Town Road266 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
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| 44, Chaffinch Close726 m away | 44 m² | 69 m² | +25 m² +57% | 2012 |
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| 13, Cornwallis Grove0 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
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| 58, Cornwallis Grove24 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
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| 16, Lion Road782 m away | 75 m² | 99 m² | +24 m² +32% | 2025 |
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| 22, Nelson Road360 m away | 56 m² | 80 m² | +24 m² +43% | 2024 |
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| 7, Elstree Gardens357 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 32, Wellington Avenue325 m away | 85 m² | 109 m² | +24 m² +28% | 2012 |
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| 1, Martin Close613 m away | 20 m² | 44 m² | +24 m² +120% | 2012 |
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| 72, Westminster Road336 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
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| 5, Cambourne Avenue901 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
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| 288, Hertford Road659 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
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| 2a, Keats Parade805 m away | 19 m² | 42 m² | +23 m² +121% | 2012 |
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| 40, Church Street858 m away | 137 m² | 159 m² | +22 m² +16% | 2026 |
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| 54, Oxford Road257 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
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| 43, King Edwards Road965 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
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| 2, Salmons Road906 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
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| 39, Devonshire Road455 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
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| 29, Colville Road783 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
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| 29, Dover Road202 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
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| 140, Nightingale Road874 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
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| 28, Nelson Road360 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
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| 2, Crescent Road826 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
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| 37, Denny Road675 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
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| 20, Cornwallis Grove24 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
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| 13, Cornwallis Avenue59 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
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| 300, Nightingale Road554 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
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| 17, Croyland Road682 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
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| 20, Oxford Close304 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
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| 34, Croyland Road494 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
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| 86, Chester Road318 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
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| 296, Nightingale Road554 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
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| 73, Jeremys Green975 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
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| 253, Hertford Road653 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
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| 16, Forest Road620 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
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| Flat 1, 12, Eastbournia Avenue404 m away | 39 m² | 59 m² | +20 m² +51% | 2019 |
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| 22, Coniston Gardens423 m away | 115 m² | 135 m² | +20 m² +17% | 2019 |
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| 22, Barrowfield Close530 m away | 70 m² | 90 m² | +20 m² +29% | 2018 |
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| 2, Wellington Avenue325 m away | 73 m² | 93 m² | +20 m² +27% | 2015 |
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| 19, Nash Road196 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 63, Lowden Road524 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
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| 2, Warren Close943 m away | 88 m² | 107 m² | +19 m² +22% | 2026 |
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| 111, Nightingale Road911 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
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| 23, Bath Road83 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 209a, Montagu Road949 m away | 42 m² | 61 m² | +19 m² +45% | 2023 |
|---|
| 29, Seymour Road181 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
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| 220, Bounces Road225 m away | 78 m² | 97 m² | +19 m² +24% | 2021 |
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| 16, Bunting Close668 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
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| 43, Cornwallis Grove0 m away | 73 m² | 92 m² | +19 m² +26% | 2020 |
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| 72, Bounces Road170 m away | 64 m² | 83 m² | +19 m² +30% | 2020 |
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| 100, Croyland Road630 m away | 75 m² | 94 m² | +19 m² +25% | 2020 |
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| 30, North Road754 m away | 81 m² | 100 m² | +19 m² +23% | 2020 |
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| 75, St Peters Road299 m away | 66 m² | 85 m² | +19 m² +29% | 2018 |
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| 27, Westoe Road243 m away | 89 m² | 108 m² | +19 m² +21% | 2013 |
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| 314, Nightingale Road554 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
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| 121, Barrowfield Close489 m away | 87 m² | 105 m² | +18 m² +21% | 2023 |
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| Flat 84, Chiltern House, Beaconsfield Road999 m away | 70 m² | 88 m² | +18 m² +26% | 2023 |
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| 2, Exeter Road98 m away | 82 m² | 100 m² | +18 m² +22% | 2021 |
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| 13, Brierley Avenue527 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
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| 80, Croyland Road630 m away | 99 m² | 117 m² | +18 m² +18% | 2019 |
|---|
| 49, Balham Road645 m away | 63 m² | 81 m² | +18 m² +29% | 2019 |
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| 40, Devonshire Road477 m away | 64 m² | 82 m² | +18 m² +28% | 2018 |
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| 32, Cambourne Avenue877 m away | 64 m² | 82 m² | +18 m² +28% | 2016 |
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