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 8BH
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 |
|---|---|---|---|---|
| 46, Cuckoo Hall Lane368 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 76, Cambourne Avenue653 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 189, St Marys Road828 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 25, Garfield Road913 m away | 88 m² | 168 m² | +80 m² +91% | 2009 |
| 16, Derby Road691 m away | 67 m² | 145 m² | +78 m² +116% | 2024 |
| 79, King Edwards Road905 m away | 78 m² | 147 m² | +69 m² +88% | 2025 |
| 22, Sedcote Road794 m away | 86 m² | 155 m² | +69 m² +80% | 2020 |
| 32a, South Street605 m away | 63 m² | 128 m² | +65 m² +103% | 2025 |
| 50, Church Road347 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.
| 83 m² |
| 146 m² |
| +63 m² +76% |
| 2025 |
| 60, Northfield Road535 m away | 103 m² | 166 m² | +63 m² +61% | 2025 |
|---|
| 195, St Marys Road828 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
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| 1, Northfield Road553 m away | 92 m² | 153 m² | +61 m² +66% | 2023 |
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| 129, Cuckoo Hall Lane358 m away | 86 m² | 146 m² | +60 m² +70% | 2025 |
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| 228, Nightingale Road764 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
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| 37, Woodlands Road900 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
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| 102, Nightingale Road304 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 16, Southfield Road523 m away | 87 m² | 142 m² | +55 m² +63% | 2026 |
|---|
| 54, Dartford Avenue121 m away | 88 m² | 143 m² | +55 m² +63% | 2019 |
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| 169, South Street600 m away | 93 m² | 147 m² | +54 m² +58% | 2019 |
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| 353, Lincoln Road890 m away | 67 m² | 119 m² | +52 m² +78% | 2015 |
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| 20, Warren Close607 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
|---|
| 20, Orchard Road426 m away | 95 m² | 145 m² | +50 m² +53% | 2026 |
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| 16, South Street605 m away | 44 m² | 93 m² | +49 m² +111% | 2012 |
|---|
| 50, Shirley Grove456 m away | 75 m² | 122 m² | +47 m² +63% | 2026 |
|---|
| 49, South Street560 m away | 118 m² | 165 m² | +47 m² +40% | 2019 |
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| 118, St Josephs Road774 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
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| 71, Alma Road848 m away | 40 m² | 86 m² | +46 m² +115% | 2025 |
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| 157, Cuckoo Hall Lane358 m away | 71 m² | 117 m² | +46 m² +65% | 2023 |
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| 21, Kingsway940 m away | 66 m² | 111 m² | +45 m² +68% | 2021 |
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| 15, St Michaels Avenue439 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
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| 7, Falcon Road454 m away | 76 m² | 120 m² | +44 m² +58% | 2024 |
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| 47, Bridlington Road925 m away | 77 m² | 121 m² | +44 m² +57% | 2015 |
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| 27, Tennyson Close618 m away | 36 m² | 79 m² | +43 m² +119% | 2012 |
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| 52, Clarence Road588 m away | 95 m² | 137 m² | +42 m² +44% | 2019 |
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| 43, Derby Road829 m away | 106 m² | 148 m² | +42 m² +40% | 2019 |
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| 85, Charlton Road641 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 1, Brierley Avenue981 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 9, Clarence Road603 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
|---|
| 42, Dartford Avenue121 m away | 87 m² | 124 m² | +37 m² +43% | 2022 |
|---|
| 191, Nags Head Road976 m away | 124 m² | 160 m² | +36 m² +29% | 2024 |
|---|
| 48, Forest Road948 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
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| 3, Northfield Road553 m away | 102 m² | 137 m² | +35 m² +34% | 2022 |
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| 126, Sandhurst Road178 m away | 94 m² | 129 m² | +35 m² +37% | 2019 |
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| 51, Southfield Road525 m away | 84 m² | 119 m² | +35 m² +42% | 2015 |
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| 95, Scotland Green Road843 m away | 78 m² | 112 m² | +34 m² +44% | 2024 |
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| 121, Charlton Road641 m away | 80 m² | 114 m² | +34 m² +43% | 2016 |
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| 199, Galliard Road876 m away | 79 m² | 112 m² | +33 m² +42% | 2021 |
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| 215, Nags Head Road963 m away | 100 m² | 133 m² | +33 m² +33% | 2021 |
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| 8, South Street605 m away | 95 m² | 128 m² | +33 m² +35% | 2019 |
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| 34, Elmcroft Avenue553 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
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| 5, Concord Road714 m away | 35 m² | 67 m² | +32 m² +91% | 2024 |
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| 26, Oxford Road809 m away | 77 m² | 109 m² | +32 m² +42% | 2020 |
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| 10, Alma Road704 m away | 98 m² | 130 m² | +32 m² +33% | 2013 |
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| 4, Northfield Road535 m away | 111 m² | 142 m² | +31 m² +28% | 2025 |
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| 32, Wellstead Avenue541 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
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| 115a, High Street555 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
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| 47, Kingsway940 m away | 82 m² | 113 m² | +31 m² +38% | 2023 |
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| 14, Chelsfield Green209 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
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| 292, Nightingale Road987 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
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| 24, Church Road347 m away | 91 m² | 121 m² | +30 m² +33% | 2026 |
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| 131, St Marys Road828 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
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| 7, St Alphege Road506 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
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| 1a, Norfolk Road752 m away | 42 m² | 72 m² | +30 m² +71% | 2021 |
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| 81, Scotland Green Road843 m away | 96 m² | 125 m² | +29 m² +30% | 2025 |
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| 282, Nightingale Road987 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
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| 28, Turin Road573 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
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| 62, Tramway Avenue647 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
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| 7, Shirley Grove426 m away | 59 m² | 88 m² | +29 m² +49% | 2018 |
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| 21, Chelsfield Avenue277 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
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| 55, Clydesdale902 m away | 39 m² | 68 m² | +29 m² +74% | 2015 |
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| 133, St Marys Road828 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
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| 35, Doncaster Road905 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 67a, Derby Road829 m away | 38 m² | 66 m² | +28 m² +74% | 2015 |
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| 463, Lincoln Road628 m away | 72 m² | 100 m² | +28 m² +39% | 2013 |
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| 24, Southfield Road523 m away | 57 m² | 85 m² | +28 m² +49% | 2011 |
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| 189, Nags Head Road976 m away | 94 m² | 121 m² | +27 m² +29% | 2025 |
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| 90, Forest Road948 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
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| 194, Galliard Road412 m away | 98 m² | 125 m² | +27 m² +28% | 2020 |
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| 13, Kingsway940 m away | 68 m² | 95 m² | +27 m² +40% | 2015 |
|---|
| 100, Forest Road948 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 61, Clarence Road603 m away | 110 m² | 136 m² | +26 m² +24% | 2026 |
|---|
| 393, Hertford Road665 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
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| 94, Sandhurst Road0 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
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| 16, Mayfield Crescent861 m away | 67 m² | 93 m² | +26 m² +39% | 2024 |
|---|
| 266a, St Marys Road865 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
|---|
| 64, Cambourne Avenue653 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
|---|
| 1, Concord Road714 m away | 35 m² | 61 m² | +26 m² +74% | 2022 |
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| 45, Penfold Road755 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
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| 19, Sutherland Road380 m away | 74 m² | 100 m² | +26 m² +35% | 2010 |
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| 18, Norfolk Road752 m away | 81 m² | 107 m² | +26 m² +32% | 2010 |
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| 402, Lincoln Road765 m away | 44 m² | 69 m² | +25 m² +57% | 2024 |
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| 39, Norfolk Road752 m away | 70 m² | 95 m² | +25 m² +36% | 2021 |
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| 48, Curzon Avenue871 m away | 58 m² | 83 m² | +25 m² +43% | 2021 |
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| 44, Chaffinch Close937 m away | 44 m² | 69 m² | +25 m² +57% | 2012 |
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| 520, Hertford Road409 m away | 47 m² | 72 m² | +25 m² +53% | 2010 |
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| 50, Norfolk Road752 m away | 81 m² | 105 m² | +24 m² +30% | 2026 |
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| 128, Oaklands Avenue758 m away | 56 m² | 80 m² | +24 m² +43% | 2021 |
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| 23, Freemantle Avenue831 m away | 65 m² | 89 m² | +24 m² +37% | 2012 |
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| 62, Mayfield Crescent907 m away | 68 m² | 91 m² | +23 m² +34% | 2026 |
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| 86, Southfield Road523 m away | 85 m² | 108 m² | +23 m² +27% | 2022 |
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| 5, Cambourne Avenue618 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
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| 27, Chester Gardens816 m away | 73 m² | 96 m² | +23 m² +32% | 2022 |
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| 53, Southfield Road525 m away | 103 m² | 126 m² | +23 m² +22% | 2019 |
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| 5, Scarborough Road333 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
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| 83, High Street499 m away | 105 m² | 128 m² | +23 m² +22% | 2013 |
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| 322, Lincoln Road930 m away | 65 m² | 88 m² | +23 m² +35% | 2011 |
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| 43, King Edwards Road795 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
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| 86, Clydesdale902 m away | 66 m² | 88 m² | +22 m² +33% | 2024 |
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| 189, Sandhurst Road357 m away | 84 m² | 106 m² | +22 m² +26% | 2023 |
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| 51, Beatrice Road331 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
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| 94, Oaklands Avenue758 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
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| 11, Thanet House 101, Nags Head Road992 m away | 60 m² | 82 m² | +22 m² +37% | 2019 |
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| 35, Eagle Close976 m away | 29 m² | 51 m² | +22 m² +76% | 2017 |
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| Flat 14, 84, South Street562 m away | 36 m² | 58 m² | +22 m² +61% | 2016 |
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| 14, Shirley Grove456 m away | 66 m² | 88 m² | +22 m² +33% | 2011 |
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| 140, Nightingale Road550 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
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| 19, Kingsway940 m away | 73 m² | 94 m² | +21 m² +29% | 2026 |
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| 103, Charlton Road641 m away | 68 m² | 89 m² | +21 m² +31% | 2025 |
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| 16, Oxford Road809 m away | 95 m² | 116 m² | +21 m² +22% | 2025 |
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| 102, Charlton Road599 m away | 103 m² | 124 m² | +21 m² +20% | 2022 |
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| 28, Church Road347 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
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| 91, Scotland Green Road843 m away | 73 m² | 94 m² | +21 m² +29% | 2021 |
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| 300, Nightingale Road987 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
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| 14, Garfield Road913 m away | 77 m² | 98 m² | +21 m² +27% | 2020 |
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| 1b, Sedcote Road794 m away | 39 m² | 60 m² | +21 m² +54% | 2015 |
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| 70, Clarence Road588 m away | 116 m² | 137 m² | +21 m² +18% | 2012 |
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| 320a, Lincoln Road930 m away | 35 m² | 56 m² | +21 m² +60% | 2009 |
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| 296, Nightingale Road987 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
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| 2, Concord Road714 m away | 35 m² | 55 m² | +20 m² +57% | 2024 |
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| 16, Forest Road948 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
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| 10, Allens Road508 m away | 77 m² | 97 m² | +20 m² +26% | 2020 |
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| 34, Oaklands Avenue556 m away | 76 m² | 96 m² | +20 m² +26% | 2020 |
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| 445, Lincoln Road628 m away | 71 m² | 91 m² | +20 m² +28% | 2018 |
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| 99, Charlton Road641 m away | 67 m² | 87 m² | +20 m² +30% | 2011 |
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| 34, Northfield Road535 m away | 75 m² | 95 m² | +20 m² +27% | 2010 |
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| 2, Warren Close607 m away | 88 m² | 107 m² | +19 m² +22% | 2026 |
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| 111, Nightingale Road521 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
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| 24, Woodstock Crescent999 m away | 90 m² | 109 m² | +19 m² +21% | 2021 |
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| 29, Rydal Way279 m away | 40 m² | 59 m² | +19 m² +48% | 2020 |
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| 106, Church Road154 m away | 97 m² | 116 m² | +19 m² +20% | 2019 |
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| 116, Church Road154 m away | 38 m² | 57 m² | +19 m² +50% | 2017 |
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| 314, Nightingale Road987 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
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| 165, Charlton Road511 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
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| 87, Southfield Road525 m away | 89 m² | 107 m² | +18 m² +20% | 2023 |
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| 13, Brierley Avenue981 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
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| 40, Devonshire Road977 m away | 64 m² | 82 m² | +18 m² +28% | 2018 |
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| 32, Cambourne Avenue653 m away | 64 m² | 82 m² | +18 m² +28% | 2016 |
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| 182, Nightingale Road550 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
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| 24, Elmcroft Avenue553 m away | 104 m² | 121 m² | +17 m² +16% | 2026 |
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| 259, Galliard Road567 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
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| 90, St Josephs Road774 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
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| 164, Charlton Road272 m away | 87 m² | 104 m² | +17 m² +20% | 2024 |
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| 5, Clarence Road603 m away | 82 m² | 99 m² | +17 m² +21% | 2022 |
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| 26, Mottingham Road215 m away | 70 m² | 87 m² | +17 m² +24% | 2021 |
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| 40, Acworth Close574 m away | 44 m² | 61 m² | +17 m² +39% | 2021 |
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| 59, Charlton Road789 m away | 73 m² | 90 m² | +17 m² +23% | 2021 |
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| 14, Tudor Road736 m away | 85 m² | 102 m² | +17 m² +20% | 2016 |
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| 63, Shirley Grove426 m away | 68 m² | 85 m² | +17 m² +25% | 2012 |
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| 52, Queensway988 m away | 100 m² | 116 m² | +16 m² +16% | 2025 |
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| 49, Falcon Road454 m away | 81 m² | 97 m² | +16 m² +20% | 2023 |
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| 23, Sedcote Road794 m away | 102 m² | 118 m² | +16 m² +16% | 2023 |
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| 139a, Nags Head Road976 m away | 43 m² | 59 m² | +16 m² +37% | 2023 |
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| 35, Bridlington Road833 m away | 79 m² | 95 m² | +16 m² +20% | 2022 |
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| 97, Woodlands Road900 m away | 98 m² | 114 m² | +16 m² +16% | 2022 |
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| 59, Allens Road449 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
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| 365, Hertford Road665 m away | 41 m² | 57 m² | +16 m² +39% | 2020 |
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| 29, Derby Road829 m away | 71 m² | 87 m² | +16 m² +23% | 2020 |
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| 59, Hadleigh Road828 m away | 81 m² | 97 m² | +16 m² +20% | 2018 |
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| 82, Mottingham Road89 m away | 77 m² | 93 m² | +16 m² +21% | 2016 |
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| 49, Charlton Road789 m away | 67 m² | 83 m² | +16 m² +24% | 2013 |
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| 2b, Southfield Road523 m away | 61 m² | 76 m² | +15 m² +25% | 2025 |
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| 127, Elmcroft Avenue743 m away | 56 m² | 71 m² | +15 m² +27% | 2025 |
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| 56, Beatrice Road343 m away | 94 m² | 109 m² | +15 m² +16% | 2023 |
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| 28, Sedcote Road794 m away | 43 m² | 58 m² | +15 m² +35% | 2023 |
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| 217, Charlton Road361 m away | 91 m² | 106 m² | +15 m² +16% | 2022 |
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| 57, Suffolk Road898 m away | 63 m² | 78 m² | +15 m² +24% | 2021 |
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| 93, Dartford Avenue71 m away | 95 m² | 110 m² | +15 m² +16% | 2014 |
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| 302, Nightingale Road987 m away | 25 m² | 40 m² | +15 m² +60% | 2009 |
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