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 RM7 9AE
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 |
|---|---|---|---|---|
| 26, Park Drive958 m away | 162 m² | 328 m² | +166 m² +102% | 2018 |
| 1, Ivey Villas, 62, Brooklands Road749 m away | 98 m² | 195 m² | +97 m² +99% | 2022 |
| 20, Park Drive958 m away | 160 m² | 256 m² | +96 m² +60% | 2025 |
| 15, The Avenue930 m away | 93 m² | 178 m² | +85 m² +91% | 2023 |
| 145, Sheringham Avenue537 m away | 73 m² | 156 m² | +83 m² +114% | 2014 |
| 34, Knightsbridge Gardens178 m away | 74 m² | 156 m² | +82 m² +111% | 2019 |
| 51, Mawney Road406 m away | 104 m² | 185 m² | +81 m² +78% | 2015 |
| 86, Mawney Road629 m away | 125 m² | 199 m² | +74 m² +59% | 2016 |
| 11, Kimberley Avenue783 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.
| 79 m² |
| 146 m² |
| +67 m² +85% |
| 2023 |
| 34, Poplar Street940 m away | 88 m² | 148 m² | +60 m² +68% | 2024 |
|---|
| 30, Pretoria Road607 m away | 92 m² | 152 m² | +60 m² +65% | 2023 |
|---|
| 9, Alexandra Road825 m away | 71 m² | 131 m² | +60 m² +85% | 2021 |
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| 21, The Avenue930 m away | 94 m² | 153 m² | +59 m² +63% | 2023 |
|---|
| 24, Norfolk Road455 m away | 86 m² | 145 m² | +59 m² +69% | 2020 |
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| 2, Pettley Gardens263 m away | 51 m² | 109 m² | +58 m² +114% | 2022 |
|---|
| 104, Como Street533 m away | 87 m² | 143 m² | +56 m² +64% | 2025 |
|---|
| 102, Marks Road368 m away | 92 m² | 148 m² | +56 m² +61% | 2024 |
|---|
| 25, Linden Street571 m away | 163 m² | 217 m² | +54 m² +33% | 2025 |
|---|
| 45, Jubilee Avenue808 m away | 59 m² | 112 m² | +53 m² +90% | 2024 |
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| 46, Oak Street824 m away | 102 m² | 155 m² | +53 m² +52% | 2024 |
|---|
| 1, Ainsley Avenue801 m away | 70 m² | 123 m² | +53 m² +76% | 2015 |
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| 118, London Road125 m away | 81 m² | 132 m² | +51 m² +63% | 2026 |
|---|
| 10, Lonsdale Avenue713 m away | 84 m² | 135 m² | +51 m² +61% | 2018 |
|---|
| 4, Lofthaus Apartments, 47a, Market Place745 m away | 75 m² | 125 m² | +50 m² +67% | 2026 |
|---|
| 114, North Street796 m away | 75 m² | 124 m² | +49 m² +65% | 2022 |
|---|
| 5, Jubilee Avenue597 m away | 68 m² | 117 m² | +49 m² +72% | 2013 |
|---|
| 11, Recreation Avenue400 m away | 73 m² | 119 m² | +46 m² +63% | 2023 |
|---|
| 59, Willow Street803 m away | 75 m² | 121 m² | +46 m² +61% | 2018 |
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| 7, Pretoria Road609 m away | 74 m² | 119 m² | +45 m² +61% | 2026 |
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| 16, Wolseley Road859 m away | 87 m² | 131 m² | +44 m² +51% | 2024 |
|---|
| 98, Crow Lane987 m away | 104 m² | 148 m² | +44 m² +42% | 2013 |
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| 38, Mawney Road424 m away | 126 m² | 169 m² | +43 m² +34% | 2023 |
|---|
| 137, Marks Road389 m away | 37 m² | 80 m² | +43 m² +116% | 2018 |
|---|
| 7, Lime Close873 m away | 83 m² | 124 m² | +41 m² +49% | 2024 |
|---|
| 14, Poplar Street940 m away | 82 m² | 123 m² | +41 m² +50% | 2021 |
|---|
| 64, Cotleigh Road133 m away | 67 m² | 106 m² | +39 m² +58% | 2026 |
|---|
| 62, Sheringham Avenue537 m away | 78 m² | 117 m² | +39 m² +50% | 2024 |
|---|
| 27, Lessington Avenue614 m away | 97 m² | 136 m² | +39 m² +40% | 2014 |
|---|
| 40, Kensington Road395 m away | 87 m² | 124 m² | +37 m² +43% | 2021 |
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| 99, Sheringham Avenue448 m away | 81 m² | 118 m² | +37 m² +46% | 2018 |
|---|
| 23, Brentwood Road974 m away | 86 m² | 123 m² | +37 m² +43% | 2017 |
|---|
| 9, Oak Street775 m away | 78 m² | 113 m² | +35 m² +45% | 2026 |
|---|
| 123, Oldchurch Road548 m away | 71 m² | 106 m² | +35 m² +49% | 2024 |
|---|
| 98, Marks Road368 m away | 94 m² | 129 m² | +35 m² +37% | 2017 |
|---|
| 6, Barkwood Close452 m away | 43 m² | 77 m² | +34 m² +79% | 2022 |
|---|
| 10, Maple Street786 m away | 113 m² | 147 m² | +34 m² +30% | 2022 |
|---|
| 115, Cedar Road842 m away | 102 m² | 136 m² | +34 m² +33% | 2020 |
|---|
| Flat 36, Omega Court, 140, London Road256 m away | 54 m² | 88 m² | +34 m² +63% | 2013 |
|---|
| 1, Astor Avenue779 m away | 83 m² | 116 m² | +33 m² +40% | 2025 |
|---|
| 127, Mawney Road837 m away | 114 m² | 147 m² | +33 m² +29% | 2024 |
|---|
| 100, London Road125 m away | 93 m² | 126 m² | +33 m² +35% | 2022 |
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| 15, Knighton Road310 m away | 76 m² | 109 m² | +33 m² +43% | 2015 |
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| 10, Burlington Avenue841 m away | 99 m² | 132 m² | +33 m² +33% | 2013 |
|---|
| 17a, Lessington Avenue614 m away | 94 m² | 126 m² | +32 m² +34% | 2025 |
|---|
| 1, Kensington Road395 m away | 75 m² | 107 m² | +32 m² +43% | 2023 |
|---|
| 144, Mildmay Road669 m away | 96 m² | 128 m² | +32 m² +33% | 2023 |
|---|
| 42, Eastbury Road241 m away | 66 m² | 98 m² | +32 m² +48% | 2022 |
|---|
| 3, Lilliput Road731 m away | 82 m² | 112 m² | +30 m² +37% | 2023 |
|---|
| 48, Oak Street824 m away | 108 m² | 138 m² | +30 m² +28% | 2022 |
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| 64, South Street538 m away | 52 m² | 82 m² | +30 m² +58% | 2020 |
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| 5, Pretoria Road609 m away | 87 m² | 116 m² | +29 m² +33% | 2022 |
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| 157, Index Apartments, Mercury Gardens969 m away | 70 m² | 99 m² | +29 m² +41% | 2022 |
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| 81, Pretoria Road748 m away | 146 m² | 175 m² | +29 m² +20% | 2021 |
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| 110, London Road125 m away | 79 m² | 108 m² | +29 m² +37% | 2020 |
|---|
| 7, Derby Avenue788 m away | 85 m² | 114 m² | +29 m² +34% | 2013 |
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| 17, George Street977 m away | 58 m² | 87 m² | +29 m² +50% | 2011 |
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| 41, Verve Apartments, 5, Mercury Gardens856 m away | 32 m² | 60 m² | +28 m² +88% | 2026 |
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| 10, Beech Street727 m away | 77 m² | 105 m² | +28 m² +36% | 2024 |
|---|
| 7, Birkbeck Road988 m away | 74 m² | 102 m² | +28 m² +38% | 2024 |
|---|
| 31, Malt House Place479 m away | 56 m² | 84 m² | +28 m² +50% | 2021 |
|---|
| 265, South Street880 m away | 58 m² | 86 m² | +28 m² +48% | 2019 |
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| 30, Ainsley Avenue915 m away | 61 m² | 89 m² | +28 m² +46% | 2019 |
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| 66, Cedar Road871 m away | 80 m² | 108 m² | +28 m² +35% | 2016 |
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| 169, North Street978 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
|---|
| 43, Mawney Road406 m away | 94 m² | 121 m² | +27 m² +29% | 2024 |
|---|
| 24, Kingsmead Avenue781 m away | 95 m² | 122 m² | +27 m² +28% | 2023 |
|---|
| 71, Birkbeck Road988 m away | 115 m² | 142 m² | +27 m² +23% | 2020 |
|---|
| 69a, London Road89 m away | 40 m² | 67 m² | +27 m² +68% | 2010 |
|---|
| 76, Crowlands Avenue945 m away | 89 m² | 115 m² | +26 m² +29% | 2024 |
|---|
| 184, North Street903 m away | 142 m² | 168 m² | +26 m² +18% | 2021 |
|---|
| 167, Pretoria Road912 m away | 166 m² | 191 m² | +25 m² +15% | 2023 |
|---|
| 173, Oldchurch Road548 m away | 83 m² | 108 m² | +25 m² +30% | 2022 |
|---|
| 143a, Mawney Road837 m away | 35 m² | 60 m² | +25 m² +71% | 2021 |
|---|
| 74, Wolseley Road859 m away | 72 m² | 97 m² | +25 m² +35% | 2021 |
|---|
| 32, Como Street610 m away | 107 m² | 132 m² | +25 m² +23% | 2019 |
|---|
| 20, Maxim Tower, Mercury Gardens913 m away | 39 m² | 64 m² | +25 m² +64% | 2015 |
|---|
| 23, Palm Road503 m away | 138 m² | 162 m² | +24 m² +17% | 2026 |
|---|
| 34, George Street968 m away | 68 m² | 92 m² | +24 m² +35% | 2025 |
|---|
| 43, Sheringham Avenue353 m away | 71 m² | 95 m² | +24 m² +34% | 2024 |
|---|
| 11, Vine Street671 m away | 79 m² | 103 m² | +24 m² +30% | 2024 |
|---|
| 62, Burlington Avenue857 m away | 82 m² | 106 m² | +24 m² +29% | 2024 |
|---|
| 5, Olive Street489 m away | 98 m² | 122 m² | +24 m² +24% | 2023 |
|---|
| 38, Jubilee Avenue597 m away | 58 m² | 82 m² | +24 m² +41% | 2022 |
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| Flat 20, Southbury Court, South Street649 m away | 57 m² | 81 m² | +24 m² +42% | 2020 |
|---|
| Flat 62, Nayland Court, Market Place802 m away | 68 m² | 92 m² | +24 m² +35% | 2018 |
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| 85, Mawney Road510 m away | 150 m² | 174 m² | +24 m² +16% | 2009 |
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| 49, Brooklands Road749 m away | 77 m² | 100 m² | +23 m² +30% | 2026 |
|---|
| 66, Crow Lane987 m away | 128 m² | 151 m² | +23 m² +18% | 2026 |
|---|
| 4, Aveley Road778 m away | 74 m² | 97 m² | +23 m² +31% | 2025 |
|---|
| 29, Knighton Road310 m away | 77 m² | 100 m² | +23 m² +30% | 2022 |
|---|
| 4, Gloucester Road770 m away | 82 m² | 105 m² | +23 m² +28% | 2019 |
|---|
| 106, Mildmay Road669 m away | 81 m² | 103 m² | +22 m² +27% | 2025 |
|---|
| 214, London Road489 m away | 76 m² | 98 m² | +22 m² +29% | 2024 |
|---|
| 64, Exon Apartments, Mercury Gardens938 m away | 54 m² | 76 m² | +22 m² +41% | 2024 |
|---|
| Apartment 5, Rubicon Court, 21 - 23, North Street596 m away | 43 m² | 65 m² | +22 m² +51% | 2019 |
|---|
| 22, The Avenue930 m away | 117 m² | 139 m² | +22 m² +19% | 2017 |
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| Scimitar House, 23, Eastern Road763 m away | 46 m² | 68 m² | +22 m² +48% | 2016 |
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| 24, Honiton Road119 m away | 69 m² | 90 m² | +21 m² +30% | 2023 |
|---|
| Flat 3, Graveney Court, Riverside Close857 m away | 53 m² | 74 m² | +21 m² +40% | 2023 |
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| 27, Richmond Road947 m away | 67 m² | 88 m² | +21 m² +31% | 2023 |
|---|
| 9, Beech Street727 m away | 111 m² | 132 m² | +21 m² +19% | 2022 |
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| Flat 9, The Maltings, South Street951 m away | 47 m² | 68 m² | +21 m² +45% | 2022 |
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| Flat 10, The Metro 50-56, Victoria Road813 m away | 56 m² | 77 m² | +21 m² +38% | 2019 |
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| 8, Malt House Place479 m away | 40 m² | 61 m² | +21 m² +53% | 2016 |
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| Flat 1, Jane Court, Victoria Road949 m away | 46 m² | 67 m² | +21 m² +46% | 2016 |
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| 48, Dagenham Road869 m away | 119 m² | 139 m² | +20 m² +17% | 2025 |
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| 18, Richards Avenue425 m away | 72 m² | 92 m² | +20 m² +28% | 2024 |
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| 16, Paul Court, London Road741 m away | 65 m² | 85 m² | +20 m² +31% | 2024 |
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| 12, Richards Avenue425 m away | 70 m² | 90 m² | +20 m² +29% | 2023 |
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| 13, Pretoria Road609 m away | 105 m² | 125 m² | +20 m² +19% | 2022 |
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| Flat 34, Blade Court, 29, Oldchurch Road609 m away | 46 m² | 66 m² | +20 m² +43% | 2020 |
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| Flat 5, Jane Court, Victoria Road949 m away | 47 m² | 67 m² | +20 m² +43% | 2016 |
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| 69a, Mildmay Road667 m away | 67 m² | 87 m² | +20 m² +30% | 2014 |
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| 7, The Avenue930 m away | 129 m² | 149 m² | +20 m² +16% | 2014 |
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| 27, Maxim Tower, Mercury Gardens913 m away | 40 m² | 60 m² | +20 m² +50% | 2011 |
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| 18, Grosvenor Road888 m away | 73 m² | 93 m² | +20 m² +27% | 2010 |
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| 62, Jubilee Avenue808 m away | 104 m² | 123 m² | +19 m² +18% | 2026 |
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| 14, Beech Street727 m away | 77 m² | 96 m² | +19 m² +25% | 2024 |
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| Flat 38, Pulse Court, Maxwell Road427 m away | 65 m² | 84 m² | +19 m² +29% | 2023 |
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| 2, Lonsdale Avenue713 m away | 85 m² | 104 m² | +19 m² +22% | 2022 |
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| 22, Knightsbridge Gardens178 m away | 76 m² | 95 m² | +19 m² +25% | 2021 |
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| Flat 71, Omega Court, 140, London Road256 m away | 90 m² | 109 m² | +19 m² +21% | 2021 |
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| 50, Recreation Avenue400 m away | 58 m² | 77 m² | +19 m² +33% | 2020 |
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| 150, Marks Road496 m away | 68 m² | 87 m² | +19 m² +28% | 2020 |
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| 7, Yew Tree Gardens266 m away | 89 m² | 108 m² | +19 m² +21% | 2019 |
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| 8, Alexandra Road825 m away | 90 m² | 109 m² | +19 m² +21% | 2017 |
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| Flat 5, Gibson Court, Regarth Avenue647 m away | 37 m² | 56 m² | +19 m² +51% | 2013 |
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| 192a, London Road489 m away | 54 m² | 73 m² | +19 m² +35% | 2012 |
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| 25, Eastbury Road241 m away | 58 m² | 76 m² | +18 m² +31% | 2025 |
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| 96, Como Street533 m away | 103 m² | 121 m² | +18 m² +17% | 2025 |
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| Flat 11, Magnolia Court, 31, Mawney Road406 m away | 66 m² | 84 m² | +18 m² +27% | 2023 |
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| 32, Malt House Place479 m away | 41 m² | 59 m² | +18 m² +44% | 2020 |
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| Flat 11, Fernleigh Court, 95, Mawney Road605 m away | 38 m² | 56 m² | +18 m² +47% | 2016 |
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| Flat 20, Calder Court, Riverside Close864 m away | 44 m² | 62 m² | +18 m² +41% | 2009 |
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| 12, Medora Road754 m away | 109 m² | 126 m² | +17 m² +16% | 2026 |
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| Flat 7, Amber Court, High Street502 m away | 41 m² | 58 m² | +17 m² +41% | 2025 |
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| 70, Mildmay Road471 m away | 81 m² | 98 m² | +17 m² +21% | 2023 |
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| 171, Oldchurch Road548 m away | 75 m² | 92 m² | +17 m² +23% | 2022 |
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| 66, Exon Apartments, Mercury Gardens938 m away | 32 m² | 49 m² | +17 m² +53% | 2021 |
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| 20, Malt House Place479 m away | 41 m² | 58 m² | +17 m² +41% | 2020 |
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| Flat 7, Jane Court, Victoria Road949 m away | 59 m² | 76 m² | +17 m² +29% | 2016 |
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| 53, Mawney Road406 m away | 102 m² | 119 m² | +17 m² +17% | 2012 |
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| 22, Angel Way483 m away | 61 m² | 78 m² | +17 m² +28% | 2011 |
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| 49, Jubilee Avenue808 m away | 65 m² | 82 m² | +17 m² +26% | 2011 |
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| Flat 9, Portman House, 16 - 20, Victoria Road746 m away | 45 m² | 61 m² | +16 m² +36% | 2026 |
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| 17, Medora Road754 m away | 98 m² | 114 m² | +16 m² +16% | 2025 |
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| Flat 74, Omega Court, 140, London Road256 m away | 97 m² | 113 m² | +16 m² +16% | 2023 |
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| Flat 8, Magnolia Court, 31, Mawney Road406 m away | 66 m² | 82 m² | +16 m² +24% | 2023 |
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| 23, Crow Lane809 m away | 72 m² | 88 m² | +16 m² +22% | 2023 |
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| 62, Grosvenor Road888 m away | 56 m² | 72 m² | +16 m² +29% | 2021 |
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| 35, Medora Road754 m away | 83 m² | 99 m² | +16 m² +19% | 2020 |
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| 43, Lessington Avenue712 m away | 88 m² | 104 m² | +16 m² +18% | 2014 |
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| 22, Paul Court, London Road741 m away | 48 m² | 64 m² | +16 m² +33% | 2014 |
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| 25, Malt House Place479 m away | 41 m² | 57 m² | +16 m² +39% | 2012 |
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| Flat 22, Oak House, Cottons Approach220 m away | 48 m² | 64 m² | +16 m² +33% | 2011 |
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| 18, Recreation Avenue400 m away | 70 m² | 85 m² | +15 m² +21% | 2025 |
|---|
| 41, Crowlands Avenue886 m away | 83 m² | 98 m² | +15 m² +18% | 2025 |
|---|
| 37, Maxim Tower, Mercury Gardens913 m away | 47 m² | 62 m² | +15 m² +32% | 2025 |
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| 24, Cotleigh Road49 m away | 90 m² | 105 m² | +15 m² +17% | 2024 |
|---|
| 27, Knighton Road310 m away | 61 m² | 76 m² | +15 m² +25% | 2024 |
|---|
| 12, Birkbeck Road961 m away | 73 m² | 88 m² | +15 m² +21% | 2024 |
|---|
| Flat 5, Magnolia Court, 31, Mawney Road406 m away | 66 m² | 81 m² | +15 m² +23% | 2023 |
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| Flat 2, Magnolia Court, 31, Mawney Road406 m away | 66 m² | 81 m² | +15 m² +23% | 2023 |
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| 26, Brooklands Road640 m away | 94 m² | 109 m² | +15 m² +16% | 2022 |
|---|
| 88, Crowlands Avenue945 m away | 88 m² | 103 m² | +15 m² +17% | 2022 |
|---|
| 39, Station Parade686 m away | 49 m² | 64 m² | +15 m² +31% | 2020 |
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| 52, Marks Road368 m away | 73 m² | 88 m² | +15 m² +21% | 2019 |
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| Flat 1, The Gatehouse, High Street444 m away | 47 m² | 62 m² | +15 m² +32% | 2019 |
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| 187a, London Road424 m away | 52 m² | 67 m² | +15 m² +29% | 2015 |
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| Apartment 3, Rubicon Court, 21 - 23, North Street596 m away | 42 m² | 57 m² | +15 m² +36% | 2015 |
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| 28, Oldchurch Gardens654 m away | 41 m² | 56 m² | +15 m² +37% | 2013 |
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| 135, Drummond Road836 m away | 99 m² | 114 m² | +15 m² +15% | 2013 |
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| 29, Mildmay Road437 m away | 95 m² | 110 m² | +15 m² +16% | 2010 |
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