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 CR4 3DN
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 |
|---|---|---|---|---|
| 11, Lavender Avenue861 m away | 87 m² | 178 m² | +91 m² +105% | 2023 |
| 18, Eveline Road836 m away | 89 m² | 177 m² | +88 m² +99% | 2024 |
| 56, Bond Road696 m away | 93 m² | 169 m² | +76 m² +82% | 2014 |
| 10, Mount Road126 m away | 98 m² | 173 m² | +75 m² +77% | 2025 |
| 33, Palestine Grove395 m away | 52 m² | 125 m² | +73 m² +140% | 2023 |
| 30, Borough Road291 m away | 62 m² | 129 m² | +67 m² +108% | 2024 |
| 43, Courtney Road872 m away | 93 m² | 156 m² | +63 m² +68% | 2023 |
| 57, Colwood Gardens884 m away | 86 m² | 147 m² | +61 m² +71% | 2020 |
| 3, Liberty Avenue440 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.
| 63 m² |
| 124 m² |
| +61 m² +97% |
| 2019 |
| 16, Mill Road901 m away | 77 m² | 138 m² | +61 m² +79% | 2016 |
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| 20, Biggin Avenue830 m away | 88 m² | 147 m² | +59 m² +67% | 2022 |
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| 38, Dane Road852 m away | 66 m² | 125 m² | +59 m² +89% | 2018 |
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| 45, Dalton Avenue164 m away | 74 m² | 131 m² | +57 m² +77% | 2018 |
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| 20, Mount Road126 m away | 44 m² | 101 m² | +57 m² +130% | 2009 |
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| 44, Fortescue Road749 m away | 84 m² | 139 m² | +55 m² +65% | 2022 |
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| 15, Colwood Gardens884 m away | 86 m² | 141 m² | +55 m² +64% | 2022 |
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| 22, Bank Avenue238 m away | 74 m² | 127 m² | +53 m² +72% | 2023 |
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| 3, Queen Annes Gardens836 m away | 84 m² | 136 m² | +52 m² +62% | 2022 |
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| 95, Fortescue Road761 m away | 80 m² | 132 m² | +52 m² +65% | 2012 |
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| 52, Steers Mead871 m away | 69 m² | 120 m² | +51 m² +74% | 2023 |
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| 39a, Clarendon Road944 m away | 69 m² | 119 m² | +50 m² +72% | 2025 |
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| 101, Courtney Road872 m away | 77 m² | 126 m² | +49 m² +64% | 2024 |
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| 1, Bordergate767 m away | 151 m² | 199 m² | +48 m² +32% | 2026 |
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| 69, Hogarth Crescent268 m away | 45 m² | 93 m² | +48 m² +107% | 2024 |
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| 40, Silbury Avenue435 m away | 82 m² | 129 m² | +47 m² +57% | 2026 |
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| 19a, Clarendon Road944 m away | 62 m² | 109 m² | +47 m² +76% | 2024 |
|---|
| 29, Bordergate767 m away | 77 m² | 124 m² | +47 m² +61% | 2022 |
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| 8, Mill Road901 m away | 63 m² | 110 m² | +47 m² +75% | 2019 |
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| Flat 49, Prospect House, 4, Chapter Way610 m away | 48 m² | 95 m² | +47 m² +98% | 2018 |
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| 33, Broadway Gardens991 m away | 75 m² | 120 m² | +45 m² +60% | 2015 |
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| 24, Heyford Road501 m away | 79 m² | 123 m² | +44 m² +56% | 2026 |
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| 37, Lowry Crescent250 m away | 53 m² | 97 m² | +44 m² +83% | 2019 |
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| 27, Courtney Road872 m away | 78 m² | 122 m² | +44 m² +56% | 2019 |
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| 13, Church Road772 m away | 46 m² | 90 m² | +44 m² +96% | 2015 |
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| 136, New Close694 m away | 70 m² | 113 m² | +43 m² +61% | 2022 |
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| 47, Ashtree Avenue126 m away | 84 m² | 127 m² | +43 m² +51% | 2020 |
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| 93, Fortescue Road761 m away | 63 m² | 106 m² | +43 m² +68% | 2019 |
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| 23, Courtney Road872 m away | 82 m² | 124 m² | +42 m² +51% | 2014 |
|---|
| 20a, Clarendon Road961 m away | 75 m² | 116 m² | +41 m² +55% | 2026 |
|---|
| 49, Belgrave Walk498 m away | 70 m² | 111 m² | +41 m² +59% | 2025 |
|---|
| 10, Mill Road901 m away | 69 m² | 110 m² | +41 m² +59% | 2022 |
|---|
| 2, Lavender Grove587 m away | 96 m² | 137 m² | +41 m² +43% | 2021 |
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| 59, Colwood Gardens884 m away | 100 m² | 141 m² | +41 m² +41% | 2021 |
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| 104, New Close694 m away | 71 m² | 111 m² | +40 m² +56% | 2025 |
|---|
| 4, De'Arn Gardens651 m away | 82 m² | 122 m² | +40 m² +49% | 2020 |
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| 104, Clarendon Road850 m away | 92 m² | 132 m² | +40 m² +43% | 2020 |
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| 11, Palestine Grove395 m away | 47 m² | 87 m² | +40 m² +85% | 2018 |
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| 32, Christchurch Close790 m away | 80 m² | 120 m² | +40 m² +50% | 2017 |
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| 21a, Clarendon Road944 m away | 68 m² | 107 m² | +39 m² +57% | 2026 |
|---|
| 15, Mill Road901 m away | 64 m² | 103 m² | +39 m² +61% | 2021 |
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| 48, Glebe Avenue258 m away | 80 m² | 119 m² | +39 m² +49% | 2020 |
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| 5, Palestine Grove395 m away | 83 m² | 121 m² | +38 m² +46% | 2023 |
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| 14, Mortimer Road668 m away | 78 m² | 116 m² | +38 m² +49% | 2022 |
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| 31, Lavender Grove615 m away | 81 m² | 119 m² | +38 m² +47% | 2021 |
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| 56, Fortescue Road749 m away | 52 m² | 90 m² | +38 m² +73% | 2021 |
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| 50, Sheldrick Close312 m away | 92 m² | 130 m² | +38 m² +41% | 2020 |
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| 27, Alexandra Road952 m away | 89 m² | 127 m² | +38 m² +43% | 2016 |
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| 165, Western Road278 m away | 99 m² | 137 m² | +38 m² +38% | 2015 |
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| Flat 18, Heron Court, 18, Wilkins Close653 m away | 27 m² | 64 m² | +37 m² +137% | 2026 |
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| 172, Brangwyn Crescent332 m away | 68 m² | 105 m² | +37 m² +54% | 2025 |
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| 28, Abbey Road940 m away | 79 m² | 116 m² | +37 m² +47% | 2024 |
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| 203, Western Road330 m away | 109 m² | 146 m² | +37 m² +34% | 2022 |
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| 97, Myrna Close991 m away | 57 m² | 94 m² | +37 m² +65% | 2021 |
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| 15, Dane Road852 m away | 67 m² | 104 m² | +37 m² +55% | 2020 |
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| 19, Frimley Gardens605 m away | 89 m² | 126 m² | +37 m² +42% | 2017 |
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| 51, Mount Road148 m away | 96 m² | 132 m² | +36 m² +38% | 2026 |
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| 19, Bank Avenue247 m away | 90 m² | 126 m² | +36 m² +40% | 2022 |
|---|
| 10, Croft Road966 m away | 62 m² | 98 m² | +36 m² +58% | 2020 |
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| 54, Monarch Parade926 m away | 45 m² | 81 m² | +36 m² +80% | 2019 |
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| 23, Rose Avenue938 m away | 114 m² | 150 m² | +36 m² +32% | 2019 |
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| 26, Station Road830 m away | 85 m² | 120 m² | +35 m² +41% | 2026 |
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| 54, Glebe Avenue258 m away | 73 m² | 108 m² | +35 m² +48% | 2024 |
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| 35, Wilson Avenue784 m away | 65 m² | 100 m² | +35 m² +54% | 2022 |
|---|
| 12, Church Place747 m away | 37 m² | 72 m² | +35 m² +95% | 2021 |
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| 129, Heathfield Drive693 m away | 133 m² | 168 m² | +35 m² +26% | 2017 |
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| 36, Raleigh Gardens851 m away | 50 m² | 85 m² | +35 m² +70% | 2015 |
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| 10, Raleigh Gardens851 m away | 106 m² | 140 m² | +34 m² +32% | 2022 |
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| 47, Glebe Avenue270 m away | 78 m² | 112 m² | +34 m² +44% | 2016 |
|---|
| 19, Mill Road901 m away | 66 m² | 99 m² | +33 m² +50% | 2025 |
|---|
| Flat 20, Baron House, 33, Chapter Way631 m away | 45 m² | 78 m² | +33 m² +73% | 2023 |
|---|
| 55, Courtney Road872 m away | 101 m² | 134 m² | +33 m² +33% | 2022 |
|---|
| 2, Palestine Grove395 m away | 67 m² | 100 m² | +33 m² +49% | 2020 |
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| 374, Church Road299 m away | 37 m² | 70 m² | +33 m² +89% | 2014 |
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| 228, Heathfield Drive589 m away | 31 m² | 63 m² | +32 m² +103% | 2024 |
|---|
| 12, Lavender Avenue878 m away | 96 m² | 128 m² | +32 m² +33% | 2018 |
|---|
| 30, Dalton Avenue164 m away | 81 m² | 112 m² | +31 m² +38% | 2025 |
|---|
| 14, Alexandra Road952 m away | 90 m² | 121 m² | +31 m² +34% | 2024 |
|---|
| 25, Raleigh Gardens851 m away | 48 m² | 79 m² | +31 m² +65% | 2017 |
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| 3, Homefield Gardens394 m away | 66 m² | 97 m² | +31 m² +47% | 2010 |
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| 35, Palestine Grove395 m away | 70 m² | 100 m² | +30 m² +43% | 2026 |
|---|
| 17, Deer Park Gardens930 m away | 54 m² | 84 m² | +30 m² +56% | 2026 |
|---|
| 13, Mill Road901 m away | 76 m² | 106 m² | +30 m² +39% | 2023 |
|---|
| 6, Courtney Road902 m away | 103 m² | 133 m² | +30 m² +29% | 2023 |
|---|
| 1, Oakmead Place472 m away | 59 m² | 89 m² | +30 m² +51% | 2020 |
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| 7, Mill Road901 m away | 67 m² | 97 m² | +30 m² +45% | 2019 |
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| 17, Brangwyn Crescent357 m away | 32 m² | 62 m² | +30 m² +94% | 2012 |
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| 4, Lewis Road305 m away | 42 m² | 71 m² | +29 m² +69% | 2026 |
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| 38, Kennet Square359 m away | 125 m² | 154 m² | +29 m² +23% | 2026 |
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| 265, Phipps Bridge Road502 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
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| 36b, Eveline Road836 m away | 38 m² | 67 m² | +29 m² +76% | 2024 |
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| 178, Brangwyn Crescent332 m away | 93 m² | 122 m² | +29 m² +31% | 2023 |
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| 6, Clarendon Road961 m away | 79 m² | 108 m² | +29 m² +37% | 2021 |
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| Shiraz Court, 24, Fortescue Road749 m away | 36 m² | 65 m² | +29 m² +81% | 2016 |
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| 69, Fortescue Road761 m away | 42 m² | 71 m² | +29 m² +69% | 2013 |
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| 162, Brangwyn Crescent332 m away | 104 m² | 133 m² | +29 m² +28% | 2012 |
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| 16, Laings Avenue627 m away | 112 m² | 140 m² | +28 m² +25% | 2024 |
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| 68, Abbey Road885 m away | 92 m² | 120 m² | +28 m² +30% | 2024 |
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| 58, Ruskin Way347 m away | 37 m² | 65 m² | +28 m² +76% | 2021 |
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| 64, Bond Road696 m away | 84 m² | 112 m² | +28 m² +33% | 2018 |
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| 8, Lulworth Crescent374 m away | 69 m² | 97 m² | +28 m² +41% | 2015 |
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| 20, Frimley Gardens605 m away | 95 m² | 122 m² | +27 m² +28% | 2026 |
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| 66, Bond Road696 m away | 94 m² | 121 m² | +27 m² +29% | 2026 |
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| 35, Clarendon Road944 m away | 49 m² | 76 m² | +27 m² +55% | 2024 |
|---|
| Flat 6, Chart House, Sadler Close682 m away | 58 m² | 85 m² | +27 m² +47% | 2023 |
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| 49, Veals Mead692 m away | 98 m² | 124 m² | +26 m² +27% | 2025 |
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| 36, Station Road830 m away | 82 m² | 108 m² | +26 m² +32% | 2025 |
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| 79, Courtney Road872 m away | 68 m² | 94 m² | +26 m² +38% | 2025 |
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| 30, Mill Road901 m away | 72 m² | 98 m² | +26 m² +36% | 2025 |
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| 86, Lewis Road305 m away | 66 m² | 92 m² | +26 m² +39% | 2018 |
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| 30, Sutherland Drive424 m away | 40 m² | 65 m² | +25 m² +63% | 2026 |
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| 18, Veals Mead692 m away | 70 m² | 95 m² | +25 m² +36% | 2026 |
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| 109, Brangwyn Crescent357 m away | 46 m² | 71 m² | +25 m² +54% | 2025 |
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| 52, Ashtree Avenue120 m away | 70 m² | 95 m² | +25 m² +36% | 2024 |
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| Flat 53, Prospect House, 4, Chapter Way610 m away | 81 m² | 106 m² | +25 m² +31% | 2012 |
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| 25, Meadow Road902 m away | 71 m² | 95 m² | +24 m² +34% | 2019 |
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| 50, Monarch Parade926 m away | 39 m² | 63 m² | +24 m² +62% | 2014 |
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| Flat 28, Independence House, 6, Chapter Way592 m away | 66 m² | 90 m² | +24 m² +36% | 2010 |
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| 40, Veals Mead692 m away | 72 m² | 95 m² | +23 m² +32% | 2025 |
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| Flat 20, Noble Court, 261, Church Road132 m away | 24 m² | 47 m² | +23 m² +96% | 2024 |
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| 39, Christchurch Close790 m away | 48 m² | 71 m² | +23 m² +48% | 2023 |
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| 5, Foxs Path303 m away | 78 m² | 101 m² | +23 m² +29% | 2022 |
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| 4, New Close609 m away | 60 m² | 83 m² | +23 m² +38% | 2021 |
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| 8, Croft Road966 m away | 74 m² | 97 m² | +23 m² +31% | 2021 |
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| 52, Oakwood Avenue110 m away | 69 m² | 92 m² | +23 m² +33% | 2020 |
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| 172b, Church Road310 m away | 44 m² | 67 m² | +23 m² +52% | 2019 |
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| 74, Lewis Road305 m away | 78 m² | 100 m² | +22 m² +28% | 2026 |
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| 2, Bank Avenue238 m away | 48 m² | 70 m² | +22 m² +46% | 2024 |
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| 38, Wilson Avenue784 m away | 79 m² | 101 m² | +22 m² +28% | 2024 |
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| 26a, Clarendon Road961 m away | 64 m² | 86 m² | +22 m² +34% | 2024 |
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| 78, Lowry Crescent189 m away | 77 m² | 99 m² | +22 m² +29% | 2023 |
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| 32, Hawkes Road893 m away | 60 m² | 82 m² | +22 m² +37% | 2023 |
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| 60, Cameron Square447 m away | 113 m² | 135 m² | +22 m² +19% | 2022 |
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| 109, Runnymede534 m away | 42 m² | 64 m² | +22 m² +52% | 2020 |
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| 1a, Glebe Avenue270 m away | 37 m² | 59 m² | +22 m² +59% | 2017 |
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| 59, Clarendon Road944 m away | 51 m² | 73 m² | +22 m² +43% | 2010 |
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| Flat 9, Lime Court, 1, Lewis Road124 m away | 37 m² | 58 m² | +21 m² +57% | 2026 |
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| Flat 47, Vista House, 2, Chapter Way615 m away | 48 m² | 69 m² | +21 m² +44% | 2026 |
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| 23, Oakwood Avenue105 m away | 70 m² | 91 m² | +21 m² +30% | 2025 |
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| 7, Frimley Gardens605 m away | 83 m² | 104 m² | +21 m² +25% | 2025 |
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| 13, Deer Park Gardens930 m away | 39 m² | 60 m² | +21 m² +54% | 2025 |
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| 35, Silbury Avenue402 m away | 69 m² | 90 m² | +21 m² +30% | 2024 |
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| Flat 13, Carroll Court, Seaton Road478 m away | 63 m² | 84 m² | +21 m² +33% | 2024 |
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| 2, Windsor Avenue634 m away | 48 m² | 69 m² | +21 m² +44% | 2023 |
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| 49, Heathfield Drive693 m away | 70 m² | 91 m² | +21 m² +30% | 2023 |
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| 13, Russell Road766 m away | 120 m² | 141 m² | +21 m² +18% | 2020 |
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| Flat 3, Independence House, 6, Chapter Way592 m away | 48 m² | 69 m² | +21 m² +44% | 2008 |
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| 4, Cameron Square447 m away | 69 m² | 89 m² | +20 m² +29% | 2025 |
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| 37, Veals Mead692 m away | 73 m² | 93 m² | +20 m² +27% | 2025 |
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| 35, Biggin Avenue830 m away | 83 m² | 103 m² | +20 m² +24% | 2025 |
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| 5, Hawthorne Avenue0 m away | 75 m² | 95 m² | +20 m² +27% | 2023 |
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| 1, Reynolds Close233 m away | 40 m² | 60 m² | +20 m² +50% | 2023 |
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| Flat 5, 2, Sibthorp Road879 m away | 30 m² | 50 m² | +20 m² +67% | 2021 |
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| 1, Russell Road766 m away | 40 m² | 60 m² | +20 m² +50% | 2016 |
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| 184, Lowry Crescent268 m away | 53 m² | 73 m² | +20 m² +38% | 2014 |
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| Flat 6, Carroll Court, Seaton Road478 m away | 50 m² | 70 m² | +20 m² +40% | 2014 |
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| Flat 12, Carroll Court, Seaton Road478 m away | 50 m² | 70 m² | +20 m² +40% | 2014 |
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| 4, Mill Road901 m away | 78 m² | 97 m² | +19 m² +24% | 2022 |
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| 13, Rodney Place948 m away | 88 m² | 107 m² | +19 m² +22% | 2022 |
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| Flat 36, Independence House, 6, Chapter Way592 m away | 81 m² | 100 m² | +19 m² +23% | 2017 |
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| 39, Veals Mead692 m away | 55 m² | 74 m² | +19 m² +35% | 2016 |
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| 21, Colwood Gardens884 m away | 72 m² | 91 m² | +19 m² +26% | 2015 |
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| 77, Fortescue Road761 m away | 44 m² | 63 m² | +19 m² +43% | 2014 |
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| 22, Morland Close730 m away | 57 m² | 76 m² | +19 m² +33% | 2013 |
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| 11, Bourne Drive346 m away | 66 m² | 85 m² | +19 m² +29% | 2008 |
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| 15, Bank Avenue247 m away | 88 m² | 106 m² | +18 m² +20% | 2025 |
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| 39, Pear Tree Close658 m away | 62 m² | 80 m² | +18 m² +29% | 2025 |
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| 21, Harwood Avenue735 m away | 75 m² | 93 m² | +18 m² +24% | 2025 |
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| 137, Victoria Road957 m away | 91 m² | 109 m² | +18 m² +20% | 2025 |
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| 18, Abbey Road940 m away | 46 m² | 64 m² | +18 m² +39% | 2024 |
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| 27, Croft Road966 m away | 80 m² | 98 m² | +18 m² +23% | 2024 |
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| 2, Landseer Close456 m away | 19 m² | 37 m² | +18 m² +95% | 2023 |
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| 129, Runnymede534 m away | 42 m² | 60 m² | +18 m² +43% | 2023 |
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| 228, Belgrave Walk832 m away | 100 m² | 118 m² | +18 m² +18% | 2023 |
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| 38, Russell Road766 m away | 82 m² | 100 m² | +18 m² +22% | 2022 |
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| 12, Bond Road884 m away | 60 m² | 78 m² | +18 m² +30% | 2022 |
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| St Augustin Court, 260, Church Road310 m away | 74 m² | 92 m² | +18 m² +24% | 2021 |
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| 3a, Clarendon Road944 m away | 46 m² | 64 m² | +18 m² +39% | 2021 |
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| 18, Morland Close730 m away | 55 m² | 73 m² | +18 m² +33% | 2020 |
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| 60, Haslemere Avenue253 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
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| 27, Kennet Square359 m away | 51 m² | 69 m² | +18 m² +35% | 2019 |
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| 74a, Fortescue Road749 m away | 60 m² | 78 m² | +18 m² +30% | 2019 |
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| 13, Hawkes Road879 m away | 74 m² | 92 m² | +18 m² +24% | 2018 |
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| 59, Heathfield Drive693 m away | 80 m² | 98 m² | +18 m² +23% | 2012 |
|---|
| 22, Croft Road966 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
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| 2a, Bank Avenue238 m away | 46 m² | 63 m² | +17 m² +37% | 2024 |
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| 2, Walnut Tree Avenue666 m away | 82 m² | 99 m² | +17 m² +21% | 2024 |
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| 15, Belgrave Walk498 m away | 55 m² | 72 m² | +17 m² +31% | 2023 |
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| Flat 5, Princess Lodge, 39, Church Road628 m away | 41 m² | 58 m² | +17 m² +41% | 2023 |
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| 19, Turner Avenue961 m away | 65 m² | 82 m² | +17 m² +26% | 2023 |
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| 21, Reynolds Close233 m away | 51 m² | 68 m² | +17 m² +33% | 2022 |
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