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 LU1 3SQ
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 |
|---|---|---|---|---|
| 36, Ludlow Avenue851 m away | 158 m² | 292 m² | +134 m² +85% | 2020 |
| 67, Hibbert Street182 m away | 134 m² | 222 m² | +88 m² +66% | 2023 |
| 43, London Road177 m away | 91 m² | 177 m² | +86 m² +95% | 2020 |
| 71, Cutenhoe Road593 m away | 101 m² | 176 m² | +75 m² +74% | 2022 |
| 26, Cutenhoe Road641 m away | 119 m² | 191 m² | +72 m² +61% | 2026 |
| 91, Russell Rise633 m away | 54 m² | 124 m² | +70 m² +130% | 2023 |
| 70, Cowper Street0 m away | 81 m² | 148 m² | +67 m² +83% | 2022 |
| 23, Red Rails829 m away | 137 m² | 204 m² | +67 m² +49% | 2014 |
| 137, Tennyson Road432 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.
| 228 m² |
| +66 m² +41% |
| 2026 |
| 69, Cutenhoe Road593 m away | 100 m² | 166 m² | +66 m² +66% | 2018 |
|---|
| 172, Cutenhoe Road508 m away | 84 m² | 148 m² | +64 m² +76% | 2025 |
|---|
| 76, Park Street640 m away | 108 m² | 172 m² | +64 m² +59% | 2013 |
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| 152, Cowper Street234 m away | 64 m² | 125 m² | +61 m² +95% | 2026 |
|---|
| 9, Tenzing Grove935 m away | 88 m² | 149 m² | +61 m² +69% | 2026 |
|---|
| 45, The Crossway980 m away | 79 m² | 140 m² | +61 m² +77% | 2021 |
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| 31a, Farley Hill456 m away | 71 m² | 131 m² | +60 m² +85% | 2015 |
|---|
| 25, Farley Hill351 m away | 94 m² | 153 m² | +59 m² +63% | 2020 |
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| 135, Wellington Street595 m away | 83 m² | 142 m² | +59 m² +71% | 2020 |
|---|
| 44, London Road213 m away | 168 m² | 224 m² | +56 m² +33% | 2022 |
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| 89, Milton Road857 m away | 77 m² | 132 m² | +55 m² +71% | 2021 |
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| 30, Whitehill Avenue479 m away | 182 m² | 235 m² | +53 m² +29% | 2018 |
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| 43, Russell Rise633 m away | 120 m² | 173 m² | +53 m² +44% | 2015 |
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| 79, Tennyson Road237 m away | 163 m² | 214 m² | +51 m² +31% | 2026 |
|---|
| 12, Chequer Street549 m away | 77 m² | 128 m² | +51 m² +66% | 2022 |
|---|
| 189, Cutenhoe Road650 m away | 85 m² | 135 m² | +50 m² +59% | 2026 |
|---|
| 174, Cutenhoe Road508 m away | 99 m² | 148 m² | +49 m² +49% | 2025 |
|---|
| 130, New Town Street327 m away | 46 m² | 94 m² | +48 m² +104% | 2022 |
|---|
| 154, New Town Street406 m away | 39 m² | 86 m² | +47 m² +121% | 2024 |
|---|
| 2, Ludlow Avenue851 m away | 111 m² | 158 m² | +47 m² +42% | 2014 |
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| 68, Milton Road986 m away | 156 m² | 203 m² | +47 m² +30% | 2013 |
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| 53, Cutenhoe Road593 m away | 112 m² | 158 m² | +46 m² +41% | 2025 |
|---|
| 22, Cambridge Street417 m away | 39 m² | 84 m² | +45 m² +115% | 2018 |
|---|
| 35, St Pauls Road247 m away | 94 m² | 139 m² | +45 m² +48% | 2014 |
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| 167, Wilsden Avenue998 m away | 75 m² | 119 m² | +44 m² +59% | 2026 |
|---|
| 54, Meyrick Avenue901 m away | 86 m² | 130 m² | +44 m² +51% | 2024 |
|---|
| Flat 2, 35, King Street767 m away | 36 m² | 80 m² | +44 m² +122% | 2019 |
|---|
| 43, Cowper Street0 m away | 98 m² | 141 m² | +43 m² +44% | 2025 |
|---|
| 3, Seymour Avenue454 m away | 77 m² | 120 m² | +43 m² +56% | 2025 |
|---|
| 39, Cowper Street0 m away | 58 m² | 101 m² | +43 m² +74% | 2019 |
|---|
| 32, Buxton Road788 m away | 35 m² | 78 m² | +43 m² +123% | 2008 |
|---|
| 41, London Road177 m away | 160 m² | 202 m² | +42 m² +26% | 2026 |
|---|
| 111, Wellington Street661 m away | 65 m² | 107 m² | +42 m² +65% | 2022 |
|---|
| 165, Cutenhoe Road650 m away | 84 m² | 126 m² | +42 m² +50% | 2017 |
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| 96, Cowper Street234 m away | 96 m² | 137 m² | +41 m² +43% | 2026 |
|---|
| 100, Seymour Road515 m away | 88 m² | 129 m² | +41 m² +47% | 2026 |
|---|
| 21, Chiltern Rise719 m away | 96 m² | 137 m² | +41 m² +43% | 2020 |
|---|
| 8, Ludlow Avenue851 m away | 102 m² | 143 m² | +41 m² +40% | 2017 |
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| 14, Cardiff Road957 m away | 48 m² | 89 m² | +41 m² +85% | 2010 |
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| 27, George Street674 m away | 63 m² | 103 m² | +40 m² +63% | 2024 |
|---|
| 21, Tavistock Crescent149 m away | 53 m² | 93 m² | +40 m² +75% | 2023 |
|---|
| 162, Cowper Street234 m away | 78 m² | 118 m² | +40 m² +51% | 2013 |
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| 37, Tennyson Road121 m away | 97 m² | 136 m² | +39 m² +40% | 2020 |
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| 71, Milton Road857 m away | 39 m² | 77 m² | +38 m² +97% | 2020 |
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| Prospero House, 46 - 48, Rothesay Road892 m away | 60 m² | 98 m² | +38 m² +63% | 2020 |
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| 166, Cutenhoe Road508 m away | 95 m² | 132 m² | +37 m² +39% | 2025 |
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| 15, Russell Rise449 m away | 85 m² | 121 m² | +36 m² +42% | 2022 |
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| 17, Arthur Street179 m away | 49 m² | 84 m² | +35 m² +71% | 2026 |
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| 11, Stockwood Crescent309 m away | 117 m² | 152 m² | +35 m² +30% | 2024 |
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| 151, Wellington Street595 m away | 96 m² | 131 m² | +35 m² +36% | 2020 |
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| 28, Whipperley Way950 m away | 87 m² | 122 m² | +35 m² +40% | 2015 |
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| 50, Harcourt Street225 m away | 99 m² | 133 m² | +34 m² +34% | 2026 |
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| 57, Harcourt Street234 m away | 102 m² | 136 m² | +34 m² +33% | 2013 |
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| 16, Lawn Gardens307 m away | 37 m² | 70 m² | +33 m² +89% | 2021 |
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| 1, Cowper Street196 m away | 96 m² | 129 m² | +33 m² +34% | 2016 |
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| 67, Tennyson Road237 m away | 98 m² | 130 m² | +32 m² +33% | 2026 |
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| 41a, Stockwood Crescent309 m away | 98 m² | 130 m² | +32 m² +33% | 2016 |
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| 10, Elizabeth Street472 m away | 53 m² | 85 m² | +32 m² +60% | 2016 |
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| Flat 35, 46 - 52, Park Street663 m away | 67 m² | 98 m² | +31 m² +46% | 2022 |
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| 85a, Farley Hill456 m away | 107 m² | 138 m² | +31 m² +29% | 2016 |
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| 106, Cutenhoe Road508 m away | 95 m² | 125 m² | +30 m² +32% | 2026 |
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| 39, Milton Road857 m away | 92 m² | 122 m² | +30 m² +33% | 2025 |
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| 56, Baker Street136 m away | 93 m² | 123 m² | +30 m² +32% | 2024 |
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| 43, Arthur Street137 m away | 86 m² | 116 m² | +30 m² +35% | 2024 |
|---|
| 211, Park Street673 m away | 93 m² | 123 m² | +30 m² +32% | 2021 |
|---|
| 10 - 12, Chapel Street657 m away | 42 m² | 72 m² | +30 m² +71% | 2014 |
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| 17, Russell Rise449 m away | 106 m² | 135 m² | +29 m² +27% | 2026 |
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| 23, Seymour Road551 m away | 82 m² | 111 m² | +29 m² +35% | 2026 |
|---|
| 39, Ludlow Avenue851 m away | 134 m² | 163 m² | +29 m² +22% | 2024 |
|---|
| 64, Arthur Street137 m away | 60 m² | 89 m² | +29 m² +48% | 2021 |
|---|
| 42, Harcourt Street50 m away | 100 m² | 128 m² | +28 m² +28% | 2024 |
|---|
| 71, Tennyson Road237 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
|---|
| 31, London Road177 m away | 105 m² | 133 m² | +28 m² +27% | 2019 |
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| 39, London Road177 m away | 102 m² | 130 m² | +28 m² +27% | 2018 |
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| Frank Lord House, 72, Chapel Street483 m away | 45 m² | 72 m² | +27 m² +60% | 2023 |
|---|
| 7, Parkland Drive397 m away | 133 m² | 160 m² | +27 m² +20% | 2015 |
|---|
| 3, Russell Street467 m away | 104 m² | 130 m² | +26 m² +25% | 2022 |
|---|
| 5, St Pauls Gardens255 m away | 109 m² | 135 m² | +26 m² +24% | 2020 |
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| 43, Salisbury Road694 m away | 82 m² | 108 m² | +26 m² +32% | 2015 |
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| Flat 2, 7, Windmill Road947 m away | 33 m² | 58 m² | +25 m² +76% | 2022 |
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| 14, Chiltern Rise719 m away | 97 m² | 121 m² | +24 m² +25% | 2026 |
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| 48, Napier Road934 m away | 122 m² | 146 m² | +24 m² +20% | 2026 |
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| 3, Durler Gardens373 m away | 122 m² | 146 m² | +24 m² +20% | 2025 |
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| 7, Surrey Street401 m away | 86 m² | 110 m² | +24 m² +28% | 2025 |
|---|
| 37 - 39, Castle Street489 m away | 46 m² | 70 m² | +24 m² +52% | 2025 |
|---|
| 4, George Street West708 m away | 55 m² | 79 m² | +24 m² +44% | 2023 |
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| 65, Castle Street412 m away | 23 m² | 47 m² | +24 m² +104% | 2009 |
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| 38, Russell Rise621 m away | 75 m² | 98 m² | +23 m² +31% | 2023 |
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| 247, Park Street673 m away | 128 m² | 151 m² | +23 m² +18% | 2019 |
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| 23, Ashton Road107 m away | 69 m² | 92 m² | +23 m² +33% | 2015 |
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| 116, Wellington Street661 m away | 31 m² | 54 m² | +23 m² +74% | 2011 |
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| 48, Winsdon Road758 m away | 43 m² | 65 m² | +22 m² +51% | 2024 |
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| 71, Buxton Road788 m away | 32 m² | 54 m² | +22 m² +69% | 2023 |
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| 51, Windmill Road947 m away | 81 m² | 103 m² | +22 m² +27% | 2021 |
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| 72, Strathmore Avenue529 m away | 60 m² | 82 m² | +22 m² +37% | 2020 |
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| 1, Windmill Road947 m away | 107 m² | 129 m² | +22 m² +21% | 2020 |
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| 84, Park Street640 m away | 46 m² | 68 m² | +22 m² +48% | 2019 |
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| 1, Harcourt Street50 m away | 88 m² | 110 m² | +22 m² +25% | 2018 |
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| 40, Tavistock Street190 m away | 16 m² | 38 m² | +22 m² +138% | 2017 |
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| 44, Russell Rise621 m away | 67 m² | 89 m² | +22 m² +33% | 2012 |
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| 70, Corncastle Road775 m away | 85 m² | 106 m² | +21 m² +25% | 2025 |
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| 21, King Street767 m away | 32 m² | 53 m² | +21 m² +66% | 2024 |
|---|
| 42, Buxton Road788 m away | 92 m² | 113 m² | +21 m² +23% | 2020 |
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| 147, Wilsden Avenue998 m away | 84 m² | 105 m² | +21 m² +25% | 2020 |
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| Flat 2, 43, Cardiff Road957 m away | 51 m² | 72 m² | +21 m² +41% | 2018 |
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| 11, Arthur Street179 m away | 60 m² | 81 m² | +21 m² +35% | 2014 |
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| 26b, London Road213 m away | 48 m² | 69 m² | +21 m² +44% | 2012 |
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| 114, Seymour Road515 m away | 100 m² | 121 m² | +21 m² +21% | 2011 |
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| 145, Strathmore Avenue427 m away | 89 m² | 109 m² | +20 m² +22% | 2025 |
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| Flat 12, Princess Lodge, 39 - 45, Princess Street708 m away | 76 m² | 96 m² | +20 m² +26% | 2023 |
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| 122, Baker Street239 m away | 62 m² | 82 m² | +20 m² +32% | 2022 |
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| 82, Cambridge Street316 m away | 58 m² | 78 m² | +20 m² +34% | 2019 |
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| 143, Heswall Court, Bailey Street564 m away | 50 m² | 70 m² | +20 m² +40% | 2013 |
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| Flat 6, Sandy Oaks, 65, Windsor Street438 m away | 32 m² | 51 m² | +19 m² +59% | 2025 |
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| 21, Ormsby Close271 m away | 67 m² | 86 m² | +19 m² +28% | 2024 |
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| 22 - 36, Hastings Street602 m away | 39 m² | 58 m² | +19 m² +49% | 2024 |
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| 18, Russell Rise436 m away | 84 m² | 103 m² | +19 m² +23% | 2021 |
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| 10, Tennyson Road100 m away | 60 m² | 79 m² | +19 m² +32% | 2020 |
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| 22, Farley Lodge, Ruthin Close382 m away | 19 m² | 38 m² | +19 m² +100% | 2020 |
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| 141, Cutenhoe Road471 m away | 122 m² | 141 m² | +19 m² +16% | 2020 |
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| 39, Whitehill Avenue358 m away | 105 m² | 124 m² | +19 m² +18% | 2015 |
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| 70, Ashton Road72 m away | 58 m² | 77 m² | +19 m² +33% | 2014 |
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| 14, Bonnick Court, Bonnick Close765 m away | 40 m² | 59 m² | +19 m² +48% | 2014 |
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| 108, Milton Road986 m away | 56 m² | 75 m² | +19 m² +34% | 2013 |
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| 32, Napier Road826 m away | 126 m² | 145 m² | +19 m² +15% | 2012 |
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| 53, Dumfries Street598 m away | 56 m² | 74 m² | +18 m² +32% | 2026 |
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| 20 - 22, Wellington Street808 m away | 54 m² | 72 m² | +18 m² +33% | 2025 |
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| 115, Tennyson Road237 m away | 69 m² | 87 m² | +18 m² +26% | 2024 |
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| 63, Strathmore Avenue476 m away | 80 m² | 98 m² | +18 m² +23% | 2023 |
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| 10, Chequer Street549 m away | 47 m² | 65 m² | +18 m² +38% | 2022 |
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| Flat 19, Farley Lodge, Ruthin Close382 m away | 20 m² | 38 m² | +18 m² +90% | 2020 |
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| 19, Wellington Street808 m away | 38 m² | 56 m² | +18 m² +47% | 2020 |
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| 128, Strathmore Avenue399 m away | 82 m² | 100 m² | +18 m² +22% | 2016 |
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| 7, Red Rails829 m away | 74 m² | 92 m² | +18 m² +24% | 2016 |
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| 32, St Saviours Crescent626 m away | 64 m² | 82 m² | +18 m² +28% | 2015 |
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| 51, Tavistock Street190 m away | 114 m² | 132 m² | +18 m² +16% | 2014 |
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| 38, St Saviours Crescent626 m away | 70 m² | 88 m² | +18 m² +26% | 2014 |
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| 160, New Town Street406 m away | 60 m² | 77 m² | +17 m² +28% | 2026 |
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| 19, Chiltern Rise719 m away | 84 m² | 101 m² | +17 m² +20% | 2026 |
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| Flat 6, Maple Court, Stockwood Crescent309 m away | 51 m² | 68 m² | +17 m² +33% | 2021 |
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| 96, Farley Hill739 m away | 97 m² | 114 m² | +17 m² +18% | 2021 |
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| 65, Hibbert Street182 m away | 98 m² | 115 m² | +17 m² +17% | 2015 |
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| 57, Russell Rise633 m away | 108 m² | 125 m² | +17 m² +16% | 2014 |
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| 10, Meyrick Avenue901 m away | 73 m² | 90 m² | +17 m² +23% | 2009 |
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| 72, Cowper Street0 m away | 38 m² | 55 m² | +17 m² +45% | 2008 |
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| 1, London Road177 m away | 47 m² | 63 m² | +16 m² +34% | 2026 |
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| 9, Stockwood Crescent309 m away | 103 m² | 119 m² | +16 m² +16% | 2026 |
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| 135, Strathmore Avenue427 m away | 83 m² | 99 m² | +16 m² +19% | 2026 |
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| 2, Red Rails829 m away | 81 m² | 97 m² | +16 m² +20% | 2025 |
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| 49, Dumfries Street598 m away | 58 m² | 74 m² | +16 m² +28% | 2024 |
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| 42, Cowper Street0 m away | 84 m² | 100 m² | +16 m² +19% | 2023 |
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| 87a, Albert Road251 m away | 58 m² | 74 m² | +16 m² +28% | 2022 |
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| 14, Strathmore Avenue529 m away | 87 m² | 103 m² | +16 m² +18% | 2021 |
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| 45, Cowper Street0 m away | 85 m² | 101 m² | +16 m² +19% | 2020 |
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| 108, Seymour Road515 m away | 106 m² | 122 m² | +16 m² +15% | 2020 |
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| 22, Chiltern Rise719 m away | 77 m² | 93 m² | +16 m² +21% | 2020 |
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| Beech House, 6, Cardiff Road993 m away | 44 m² | 60 m² | +16 m² +36% | 2018 |
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| 5, Upper George Street893 m away | 37 m² | 53 m² | +16 m² +43% | 2014 |
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| 46, Buxton Road788 m away | 38 m² | 54 m² | +16 m² +42% | 2012 |
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| 17, Windsor Street438 m away | 37 m² | 53 m² | +16 m² +43% | 2010 |
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| 32, Cambridge Street316 m away | 18 m² | 34 m² | +16 m² +89% | 2008 |
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| 160, Cowper Street234 m away | 73 m² | 88 m² | +15 m² +21% | 2026 |
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| 69, Wilsden Avenue771 m away | 43 m² | 58 m² | +15 m² +35% | 2026 |
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| 23, Dunstable Place909 m away | 54 m² | 69 m² | +15 m² +28% | 2026 |
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| 77, Russell Rise633 m away | 94 m² | 109 m² | +15 m² +16% | 2025 |
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| 1, St Pauls Road247 m away | 85 m² | 100 m² | +15 m² +18% | 2024 |
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| 53, Strathmore Avenue476 m away | 87 m² | 102 m² | +15 m² +17% | 2023 |
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| 18a, Surrey Street358 m away | 31 m² | 46 m² | +15 m² +48% | 2019 |
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| 3, Wood Street619 m away | 64 m² | 79 m² | +15 m² +23% | 2019 |
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| 7, London Road177 m away | 39 m² | 54 m² | +15 m² +38% | 2018 |
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| 115, Russell Rise633 m away | 31 m² | 46 m² | +15 m² +48% | 2015 |
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| 40, Salisbury Road713 m away | 61 m² | 76 m² | +15 m² +25% | 2014 |
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| 53, St Pauls Road247 m away | 82 m² | 97 m² | +15 m² +18% | 2013 |
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| 58, Princess Street708 m away | 62 m² | 77 m² | +15 m² +24% | 2013 |
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| 24, Meyrick Avenue901 m away | 70 m² | 85 m² | +15 m² +21% | 2013 |
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| Flat 4, 18, Napier Road826 m away | 23 m² | 38 m² | +15 m² +65% | 2012 |
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| Flat 6, 46 - 50, Wellington Street808 m away | 31 m² | 46 m² | +15 m² +48% | 2011 |
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| 2, Baker Street59 m away | 61 m² | 76 m² | +15 m² +25% | 2010 |
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