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 8ES
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 Lane291 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 76, Cambourne Avenue227 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 189, St Marys Road450 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 79, King Edwards Road891 m away | 78 m² | 147 m² | +69 m² +88% | 2025 |
| 1, Lowden Road792 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 228, Bounces Road872 m away | 91 m² | 158 m² | +67 m² +74% | 2023 |
| 50, Church Road772 m away | 83 m² | 146 m² | +63 m² +76% | 2025 |
| 60, Northfield Road887 m away | 103 m² | 166 m² | +63 m² +61% | 2025 |
| 24, Coniston Gardens624 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 |
| 125 m² |
| +62 m² +98% |
| 2026 |
| 195, St Marys Road450 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 76, Picketts Lock Lane890 m away | 85 m² | 147 m² | +62 m² +73% | 2025 |
|---|
| 1, Northfield Road911 m away | 92 m² | 153 m² | +61 m² +66% | 2023 |
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| 129, Cuckoo Hall Lane73 m away | 86 m² | 146 m² | +60 m² +70% | 2025 |
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| 228, Nightingale Road348 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
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| 92, Chester Road888 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
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| 37, Woodlands Road555 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 102, Nightingale Road295 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 16, Southfield Road855 m away | 87 m² | 142 m² | +55 m² +63% | 2026 |
|---|
| 54, Dartford Avenue386 m away | 88 m² | 143 m² | +55 m² +63% | 2019 |
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| 49, Lowden Road792 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
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| 169, South Street918 m away | 93 m² | 147 m² | +54 m² +58% | 2019 |
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| 165, Bounces Road820 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
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| 69, Westminster Road958 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
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| 20, Warren Close184 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
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| 20, Orchard Road846 m away | 95 m² | 145 m² | +50 m² +53% | 2026 |
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| 175, Hertford Road998 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 53, Grosvenor Road832 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 300, Hertford Road845 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 44, Picketts Lock Lane890 m away | 74 m² | 122 m² | +48 m² +65% | 2024 |
|---|
| 50, Shirley Grove35 m away | 75 m² | 122 m² | +47 m² +63% | 2026 |
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| 49, South Street985 m away | 118 m² | 165 m² | +47 m² +40% | 2019 |
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| 15, St Peters Road835 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
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| 118, St Josephs Road494 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 157, Cuckoo Hall Lane73 m away | 71 m² | 117 m² | +46 m² +65% | 2023 |
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| 23, Rosemary Avenue972 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
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| 15, St Michaels Avenue241 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
|---|
| 208, Bounces Road872 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 7, Falcon Road855 m away | 76 m² | 120 m² | +44 m² +58% | 2024 |
|---|
| 57, Grosvenor Road832 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 14, Grosvenor Road915 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 47, Bridlington Road896 m away | 77 m² | 121 m² | +44 m² +57% | 2015 |
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| 52, Clarence Road968 m away | 95 m² | 137 m² | +42 m² +44% | 2019 |
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| 85, Charlton Road246 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 1, Brierley Avenue571 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 9, Clarence Road989 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
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| 42, Dartford Avenue386 m away | 87 m² | 124 m² | +37 m² +43% | 2022 |
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| 244, Hertford Road921 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
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| 20, Coniston Gardens624 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 23, Chester Road873 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 48, Forest Road737 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
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| 66, St Peters Road807 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
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| 189, Bounces Road820 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
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| 3, Northfield Road911 m away | 102 m² | 137 m² | +35 m² +34% | 2022 |
|---|
| 126, Sandhurst Road398 m away | 94 m² | 129 m² | +35 m² +37% | 2019 |
|---|
| 70, Picketts Lock Lane890 m away | 71 m² | 106 m² | +35 m² +49% | 2017 |
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| 51, Southfield Road843 m away | 84 m² | 119 m² | +35 m² +42% | 2015 |
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| 178, Bounces Road872 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
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| 121, Charlton Road246 m away | 80 m² | 114 m² | +34 m² +43% | 2016 |
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| 51, Chester Road873 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
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| 53, Westminster Road958 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
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| 7, Nash Road945 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
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| 70, Lowden Road769 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
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| 34, Elmcroft Avenue818 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
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| 31, Westminster Road958 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
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| 97, Grosvenor Road832 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
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| 32, Wellstead Avenue125 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
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| 4, Northfield Road887 m away | 111 m² | 142 m² | +31 m² +28% | 2025 |
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| 115a, High Street970 m away | 82 m² | 113 m² | +31 m² +38% | 2025 |
|---|
| 14, Chelsfield Green263 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
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| 292, Nightingale Road572 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 24, Church Road772 m away | 91 m² | 121 m² | +30 m² +33% | 2026 |
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| 15, North Road928 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
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| 131, St Marys Road450 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
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| 7, St Alphege Road446 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
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| 40, Denny Road992 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
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| 282, Nightingale Road572 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
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| 28, Turin Road312 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
|---|
| 62, Tramway Avenue538 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
|---|
| 8, Grosvenor Road915 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
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| 7, Shirley Grove0 m away | 59 m² | 88 m² | +29 m² +49% | 2018 |
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| 21, Chelsfield Avenue249 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
|---|
| 133, St Marys Road450 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
|---|
| 35, Doncaster Road790 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 23, Grosvenor Road832 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
|---|
| 24, Southfield Road855 m away | 57 m² | 85 m² | +28 m² +49% | 2011 |
|---|
| 90, Forest Road737 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
|---|
| 194, Galliard Road666 m away | 98 m² | 125 m² | +27 m² +28% | 2020 |
|---|
| 100, Forest Road737 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
|---|
| 57, Lowden Road792 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 61, Clarence Road989 m away | 110 m² | 136 m² | +26 m² +24% | 2026 |
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| 393, Hertford Road649 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
|---|
| 94, Sandhurst Road426 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
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| 266a, St Marys Road456 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
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| 64, Cambourne Avenue227 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
|---|
| 45, Penfold Road329 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
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| 59, Lowden Road792 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 19, Sutherland Road788 m away | 74 m² | 100 m² | +26 m² +35% | 2010 |
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| 57, Bath Road974 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 44, Chaffinch Close510 m away | 44 m² | 69 m² | +25 m² +57% | 2012 |
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| 520, Hertford Road544 m away | 47 m² | 72 m² | +25 m² +53% | 2010 |
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| 128, Oaklands Avenue933 m away | 56 m² | 80 m² | +24 m² +43% | 2021 |
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| 1, Martin Close618 m away | 20 m² | 44 m² | +24 m² +120% | 2012 |
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| 5, Cambourne Avenue191 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
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| 86, Southfield Road855 m away | 85 m² | 108 m² | +23 m² +27% | 2022 |
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| 72, Westminster Road923 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
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| 288, Hertford Road845 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
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| 53, Southfield Road843 m away | 103 m² | 126 m² | +23 m² +22% | 2019 |
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| 5, Scarborough Road359 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
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| 83, High Street909 m away | 105 m² | 128 m² | +23 m² +22% | 2013 |
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| 43, King Edwards Road755 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
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| 189, Sandhurst Road446 m away | 84 m² | 106 m² | +22 m² +26% | 2023 |
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| 39, Devonshire Road627 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
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| 51, Beatrice Road450 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
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| 94, Oaklands Avenue933 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
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| Flat 14, 84, South Street973 m away | 36 m² | 58 m² | +22 m² +61% | 2016 |
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| 14, Shirley Grove35 m away | 66 m² | 88 m² | +22 m² +33% | 2011 |
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| 140, Nightingale Road181 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
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| 103, Charlton Road246 m away | 68 m² | 89 m² | +21 m² +31% | 2025 |
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| 102, Charlton Road205 m away | 103 m² | 124 m² | +21 m² +20% | 2022 |
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| 300, Nightingale Road572 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
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| 28, Church Road772 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
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| 70, Clarence Road968 m away | 116 m² | 137 m² | +21 m² +18% | 2012 |
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| 86, Chester Road888 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
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| 296, Nightingale Road572 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
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| 253, Hertford Road900 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
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| 16, Forest Road737 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
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| 34, Oaklands Avenue746 m away | 76 m² | 96 m² | +20 m² +26% | 2020 |
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| 10, Allens Road932 m away | 77 m² | 97 m² | +20 m² +26% | 2020 |
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| 22, Coniston Gardens624 m away | 115 m² | 135 m² | +20 m² +17% | 2019 |
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| 63, Lowden Road792 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
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| 19, Nash Road945 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 99, Charlton Road246 m away | 67 m² | 87 m² | +20 m² +30% | 2011 |
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| 34, Northfield Road887 m away | 75 m² | 95 m² | +20 m² +27% | 2010 |
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| 2, Warren Close184 m away | 88 m² | 107 m² | +19 m² +22% | 2026 |
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| 111, Nightingale Road142 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
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| 23, Bath Road974 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
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| 16, Bunting Close596 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
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| 220, Bounces Road872 m away | 78 m² | 97 m² | +19 m² +24% | 2021 |
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| 29, Rydal Way701 m away | 40 m² | 59 m² | +19 m² +48% | 2020 |
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| 30, North Road914 m away | 81 m² | 100 m² | +19 m² +23% | 2020 |
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| 106, Church Road577 m away | 97 m² | 116 m² | +19 m² +20% | 2019 |
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| 75, St Peters Road835 m away | 66 m² | 85 m² | +19 m² +29% | 2018 |
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| 116, Church Road577 m away | 38 m² | 57 m² | +19 m² +50% | 2017 |
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| 314, Nightingale Road572 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
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| 165, Charlton Road217 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
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| 87, Southfield Road843 m away | 89 m² | 107 m² | +18 m² +20% | 2023 |
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| 2, Exeter Road962 m away | 82 m² | 100 m² | +18 m² +22% | 2021 |
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| 13, Brierley Avenue571 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
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| 40, Devonshire Road583 m away | 64 m² | 82 m² | +18 m² +28% | 2018 |
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| 32, Cambourne Avenue227 m away | 64 m² | 82 m² | +18 m² +28% | 2016 |
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| 182, Nightingale Road181 m away | 74 m² | 91 m² | +17 m² +23% | 2026 |
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| 24, Elmcroft Avenue818 m away | 104 m² | 121 m² | +17 m² +16% | 2026 |
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| 90, St Josephs Road494 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
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| 259, Galliard Road813 m away | 72 m² | 89 m² | +17 m² +24% | 2025 |
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| 164, Charlton Road340 m away | 87 m² | 104 m² | +17 m² +20% | 2024 |
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| 79a, Bounces Road955 m away | 58 m² | 75 m² | +17 m² +29% | 2024 |
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| 5, Clarence Road989 m away | 82 m² | 99 m² | +17 m² +21% | 2022 |
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| 26, Mottingham Road214 m away | 70 m² | 87 m² | +17 m² +24% | 2021 |
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| 59, Charlton Road367 m away | 73 m² | 90 m² | +17 m² +23% | 2021 |
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| 40, Acworth Close369 m away | 44 m² | 61 m² | +17 m² +39% | 2021 |
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| 41, Bunting Close596 m away | 43 m² | 60 m² | +17 m² +40% | 2019 |
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| 14, Tudor Road556 m away | 85 m² | 102 m² | +17 m² +20% | 2016 |
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| 66, Grosvenor Road833 m away | 73 m² | 90 m² | +17 m² +23% | 2014 |
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| 12, Henderson Road944 m away | 76 m² | 93 m² | +17 m² +22% | 2014 |
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| 63, Shirley Grove0 m away | 68 m² | 85 m² | +17 m² +25% | 2012 |
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| 187, Bounces Road820 m away | 79 m² | 95 m² | +16 m² +20% | 2024 |
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| 49, Falcon Road855 m away | 81 m² | 97 m² | +16 m² +20% | 2023 |
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| 97, Woodlands Road555 m away | 98 m² | 114 m² | +16 m² +16% | 2022 |
|---|
| 35, Bridlington Road777 m away | 79 m² | 95 m² | +16 m² +20% | 2022 |
|---|
| 109, Bounces Road865 m away | 76 m² | 92 m² | +16 m² +21% | 2022 |
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| 59, Allens Road876 m away | 83 m² | 99 m² | +16 m² +19% | 2021 |
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| 365, Hertford Road649 m away | 41 m² | 57 m² | +16 m² +39% | 2020 |
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| 59, Hadleigh Road842 m away | 81 m² | 97 m² | +16 m² +20% | 2018 |
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| 82, Mottingham Road354 m away | 77 m² | 93 m² | +16 m² +21% | 2016 |
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| 49, Charlton Road367 m away | 67 m² | 83 m² | +16 m² +24% | 2013 |
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| 2b, Southfield Road855 m away | 61 m² | 76 m² | +15 m² +25% | 2025 |
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| 127, Elmcroft Avenue993 m away | 56 m² | 71 m² | +15 m² +27% | 2025 |
|---|
| 56, Beatrice Road483 m away | 94 m² | 109 m² | +15 m² +16% | 2023 |
|---|
| 217, Charlton Road317 m away | 91 m² | 106 m² | +15 m² +16% | 2022 |
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| 93, Dartford Avenue365 m away | 95 m² | 110 m² | +15 m² +16% | 2014 |
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| 169, Bounces Road820 m away | 66 m² | 81 m² | +15 m² +23% | 2012 |
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| 302, Nightingale Road572 m away | 25 m² | 40 m² | +15 m² +60% | 2009 |
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