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 7AG
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 Road688 m away | 86 m² | 184 m² | +98 m² +114% | 2022 |
| 23, Wellington Avenue589 m away | 99 m² | 190 m² | +91 m² +92% | 2022 |
| 4a, Latymer Road463 m away | 234 m² | 314 m² | +80 m² +34% | 2019 |
| 13, Brookfield Road758 m away | 60 m² | 138 m² | +78 m² +130% | 2017 |
| 67, Dunholme Road741 m away | 86 m² | 157 m² | +71 m² +83% | 2022 |
| 19, Bury Street389 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 10, Lichfield Road346 m away | 100 m² | 168 m² | +68 m² +68% | 2020 |
| 1, Lowden Road703 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 228, Bounces Road855 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 Road688 m away | 96 m² | 163 m² | +67 m² +70% | 2016 |
|---|
| 24, Cornwallis Grove647 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
|---|
| 70, Northern Avenue746 m away | 85 m² | 151 m² | +66 m² +78% | 2025 |
|---|
| 38, Galliard Road898 m away | 61 m² | 125 m² | +64 m² +105% | 2024 |
|---|
| 13, Gordon Road473 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
|---|
| 13, Dunholme Road977 m away | 64 m² | 127 m² | +63 m² +98% | 2023 |
|---|
| 62, Tillotson Road813 m away | 101 m² | 163 m² | +62 m² +61% | 2026 |
|---|
| 24, Coniston Gardens949 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
|---|
| 14, Brook Crescent933 m away | 151 m² | 212 m² | +61 m² +40% | 2023 |
|---|
| 92, Chester Road604 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 40, Northern Avenue746 m away | 95 m² | 155 m² | +60 m² +63% | 2021 |
|---|
| 37, Woodlands Road949 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 38, Exeter Road722 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
|---|
| 203, Winchester Road675 m away | 71 m² | 128 m² | +57 m² +80% | 2023 |
|---|
| 33, Balham Road0 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
|---|
| 49, Lowden Road703 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 1, Felixstowe Road864 m away | 78 m² | 132 m² | +54 m² +69% | 2023 |
|---|
| 6, Kenwood Road276 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 165, Bounces Road854 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 25, Seymour Road578 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
|---|
| 31, Bury Street389 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
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| 69, Westminster Road529 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 80, Monmouth Road830 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 175, Hertford Road534 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 27, Northumberland Gardens621 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
|---|
| 143, Croyland Road532 m away | 74 m² | 124 m² | +50 m² +68% | 2020 |
|---|
| 53, Grosvenor Road655 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 21, Findon Road466 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 300, Hertford Road718 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 96, Winchester Road350 m away | 84 m² | 132 m² | +48 m² +57% | 2021 |
|---|
| 21, Galliard Road673 m away | 99 m² | 146 m² | +47 m² +47% | 2024 |
|---|
| 63, Chichester Road325 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
|---|
| 15, St Peters Road670 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road991 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 73, Chiswick Road143 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 7, Pymmes Gardens North798 m away | 108 m² | 153 m² | +45 m² +42% | 2024 |
|---|
| 23, Rosemary Avenue515 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 208, Bounces Road855 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 18, Logan Road610 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 36, Colville Road620 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 57, Grosvenor Road655 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 75, Chiswick Road143 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 14, Grosvenor Road578 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 47, Bridlington Road973 m away | 77 m² | 121 m² | +44 m² +57% | 2015 |
|---|
| 49, Tillotson Road833 m away | 71 m² | 114 m² | +43 m² +61% | 2025 |
|---|
| 202, Winchester Road557 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 42, Oxford Road400 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 38, Granville Avenue851 m away | 70 m² | 112 m² | +42 m² +60% | 2013 |
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| 111, Winchester Road350 m away | 83 m² | 124 m² | +41 m² +49% | 2025 |
|---|
| 4, Darley Road851 m away | 82 m² | 123 m² | +41 m² +50% | 2025 |
|---|
| Flat 12, Chiltern House, Beaconsfield Road771 m away | 42 m² | 83 m² | +41 m² +98% | 2023 |
|---|
| 35, Lion Road181 m away | 86 m² | 126 m² | +40 m² +47% | 2024 |
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| 145, Latymer Road780 m away | 71 m² | 111 m² | +40 m² +56% | 2023 |
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| 127, Church Street760 m away | 125 m² | 165 m² | +40 m² +32% | 2022 |
|---|
| 40, Dover Road839 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 4, Warren Crescent859 m away | 94 m² | 133 m² | +39 m² +41% | 2024 |
|---|
| 19, Westoe Road462 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
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| 126, Town Road537 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
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| 40, Exeter Road722 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
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| 427, Montagu Road921 m away | 49 m² | 87 m² | +38 m² +78% | 2010 |
|---|
| 60, Lion Road160 m away | 75 m² | 112 m² | +37 m² +49% | 2023 |
|---|
| 22, Wellington Avenue616 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| 244, Hertford Road613 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
|---|
| 2a, Densworth Grove838 m away | 74 m² | 111 m² | +37 m² +50% | 2020 |
|---|
| 20, Coniston Gardens949 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 42, Galliard Road898 m away | 76 m² | 113 m² | +37 m² +49% | 2015 |
|---|
| 11, Tranmere Road921 m away | 57 m² | 94 m² | +37 m² +65% | 2010 |
|---|
| 23, Chester Road625 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 24, Wyldfield Gardens557 m away | 87 m² | 123 m² | +36 m² +41% | 2014 |
|---|
| 48, Forest Road784 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
|---|
| 66, St Peters Road699 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 27, Chiswick Road106 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 106, Exeter Road757 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 189, Bounces Road854 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 16, Oxford Road400 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 178, Bounces Road855 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
|---|
| 49, Gordon Road473 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 51, Chester Road625 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 12, Oxford Road400 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 53, Westminster Road529 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 7, Nash Road841 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 17, Chalfont Road766 m away | 87 m² | 120 m² | +33 m² +38% | 2017 |
|---|
| 258, Croyland Road545 m away | 78 m² | 110 m² | +32 m² +41% | 2026 |
|---|
| 70, Lowden Road728 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 31, Westminster Road529 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 45, Cornwallis Road541 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 3, Tillotson Road833 m away | 124 m² | 156 m² | +32 m² +26% | 2022 |
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| 97, Grosvenor Road655 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road179 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
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| 35, Bury Street389 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road459 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
|---|
| 1, Kingsmead Avenue451 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
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| 47, Oxford Road426 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 25, Dunholme Road882 m away | 88 m² | 119 m² | +31 m² +35% | 2019 |
|---|
| 345, Haselbury Road938 m away | 46 m² | 77 m² | +31 m² +67% | 2018 |
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| 70, Croyland Road155 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
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| 214, Hertford Road482 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
|---|
| 3a, Keats Parade, Church Street247 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
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| 48, Winchester Road285 m away | 96 m² | 127 m² | +31 m² +32% | 2012 |
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| 15, North Road704 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 185c, Town Road870 m away | 52 m² | 82 m² | +30 m² +58% | 2019 |
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| 40, Denny Road615 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
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| 13, Ranworth Road695 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
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| 103, Winchester Road350 m away | 100 m² | 129 m² | +29 m² +29% | 2025 |
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| 174, Croyland Road306 m away | 95 m² | 124 m² | +29 m² +31% | 2024 |
|---|
| 19, Elstree Gardens474 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 11, Sawyer Close171 m away | 42 m² | 71 m² | +29 m² +69% | 2023 |
|---|
| 10, Galliard Road898 m away | 57 m² | 86 m² | +29 m² +51% | 2022 |
|---|
| 8, Grosvenor Road578 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
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| 24, Findon Road466 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
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| 35, Doncaster Road874 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 44, Galliard Road898 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
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| 38, Dover Road839 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
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| 5b, Balham Road0 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
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| 42, Balham Road57 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
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| 10, Sawyer Close171 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
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| 13, Oxford Road426 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 23, Grosvenor Road655 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
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| 35, Marsden Road379 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
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| 26, Gordon Road498 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
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| 90, Forest Road784 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
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| 101, Exeter Road757 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 159, Church Street857 m away | 19 m² | 46 m² | +27 m² +142% | 2016 |
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| 57, Lowden Road703 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 100, Forest Road784 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 145, Bury Street501 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
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| 7, Dover Road839 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
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| 238, Croyland Road545 m away | 103 m² | 129 m² | +26 m² +25% | 2020 |
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| 11, Kingsmead Avenue451 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
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| 59, Lowden Road703 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 97, Victoria Road960 m away | 76 m² | 102 m² | +26 m² +34% | 2014 |
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| 37, Harton Road519 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
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| 8, Bury Street378 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 57, Bath Road653 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 12, Shrubbery Road735 m away | 84 m² | 109 m² | +25 m² +30% | 2024 |
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| 32, Rugby Avenue746 m away | 72 m² | 97 m² | +25 m² +35% | 2024 |
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| Flat 2, 10, Gareth Drive423 m away | 42 m² | 67 m² | +25 m² +60% | 2022 |
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| 37, Cornwallis Road541 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| 99, Town Road523 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
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| 13, Cornwallis Grove645 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
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| 16, Lion Road160 m away | 75 m² | 99 m² | +24 m² +32% | 2025 |
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| 58, Cornwallis Grove647 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
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| 22, Nelson Road539 m away | 56 m² | 80 m² | +24 m² +43% | 2024 |
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| 39, Felixstowe Road864 m away | 100 m² | 124 m² | +24 m² +24% | 2020 |
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| 7, Elstree Gardens474 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 32, Wellington Avenue616 m away | 85 m² | 109 m² | +24 m² +28% | 2012 |
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| 16, Stowe Gardens505 m away | 69 m² | 92 m² | +23 m² +33% | 2022 |
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| 72, Westminster Road563 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
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| 8, Leonard Road761 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
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| 158, Streamside Close778 m away | 29 m² | 52 m² | +23 m² +79% | 2021 |
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| 38, Tillotson Road807 m away | 31 m² | 54 m² | +23 m² +74% | 2021 |
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| 288, Hertford Road718 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
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| 2a, Keats Parade247 m away | 19 m² | 42 m² | +23 m² +121% | 2012 |
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| 40, Church Street293 m away | 137 m² | 159 m² | +22 m² +16% | 2026 |
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| 54, Oxford Road400 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
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| 2, Salmons Road430 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
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| 80, Latymer Road761 m away | 65 m² | 87 m² | +22 m² +34% | 2023 |
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| 29, Brook Crescent933 m away | 83 m² | 105 m² | +22 m² +27% | 2022 |
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| 29, Colville Road622 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
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| 29, Dover Road839 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
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| 2, Crescent Road501 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
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| 28, Nelson Road539 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
|---|
| 37, Denny Road587 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
|---|
| 13, Cornwallis Avenue632 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
|---|
| 20, Cornwallis Grove647 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
|---|
| 18, Wyldfield Gardens557 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
|---|
| 117, Croyland Road532 m away | 68 m² | 89 m² | +21 m² +31% | 2022 |
|---|
| 10, Cedars Court913 m away | 29 m² | 50 m² | +21 m² +72% | 2022 |
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| 37, Chalfont Road919 m away | 84 m² | 105 m² | +21 m² +25% | 2022 |
|---|
| 17, Croyland Road179 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
|---|
| 20, Oxford Close352 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
|---|
| 34, Croyland Road238 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
|---|
| 143, Church Street760 m away | 29 m² | 50 m² | +21 m² +72% | 2010 |
|---|
| 86, Chester Road604 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 253, Hertford Road668 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
|---|
| 5, Pycroft Way921 m away | 60 m² | 80 m² | +20 m² +33% | 2023 |
|---|
| 16, Forest Road784 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
|---|
| Flat 1, 12, Eastbournia Avenue731 m away | 39 m² | 59 m² | +20 m² +51% | 2019 |
|---|
| 20, Hickory Close821 m away | 28 m² | 48 m² | +20 m² +71% | 2019 |
|---|
| 22, Coniston Gardens949 m away | 115 m² | 135 m² | +20 m² +17% | 2019 |
|---|
| 22, Barrowfield Close877 m away | 70 m² | 90 m² | +20 m² +29% | 2018 |
|---|
| 2, Wellington Avenue616 m away | 73 m² | 93 m² | +20 m² +27% | 2015 |
|---|
| 63, Lowden Road703 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
|---|
| 19, Nash Road841 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
|---|
| 69, Church Street452 m away | 42 m² | 62 m² | +20 m² +48% | 2013 |
|---|
| 23, Bath Road653 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
|---|
| 189, Streamside Close698 m away | 30 m² | 49 m² | +19 m² +63% | 2023 |
|---|
| 20, Sunnyside Road North698 m away | 72 m² | 91 m² | +19 m² +26% | 2023 |
|---|
| 29, Seymour Road578 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
|---|
| 220, Bounces Road855 m away | 78 m² | 97 m² | +19 m² +24% | 2021 |
|---|
| 100, Croyland Road155 m away | 75 m² | 94 m² | +19 m² +25% | 2020 |
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