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 7RE
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 Lane582 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 76, Cambourne Avenue874 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 189, St Marys Road693 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 147, St Edmunds Road636 m away | 86 m² | 167 m² | +81 m² +94% | 2022 |
| 15, Hamilton Avenue588 m away | 60 m² | 133 m² | +73 m² +122% | 2022 |
| 19, Bury Street548 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 79, King Edwards Road120 m away | 78 m² | 147 m² | +69 m² +88% | 2025 |
| 1, Lowden Road389 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 228, Bounces Road918 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 |
| 24, Cornwallis Grove889 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
|---|
| 94, St Edmunds Road604 m away | 70 m² | 135 m² | +65 m² +93% | 2025 |
|---|
| 38, Galliard Road534 m away | 61 m² | 125 m² | +64 m² +105% | 2024 |
|---|
| 13, Gordon Road829 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
|---|
| 60, Northfield Road848 m away | 103 m² | 166 m² | +63 m² +61% | 2025 |
|---|
| 24, Coniston Gardens739 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
|---|
| 195, St Marys Road693 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 1, Northfield Road876 m away | 92 m² | 153 m² | +61 m² +66% | 2023 |
|---|
| 129, Cuckoo Hall Lane799 m away | 86 m² | 146 m² | +60 m² +70% | 2025 |
|---|
| 228, Nightingale Road818 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
|---|
| 92, Chester Road594 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 37, Woodlands Road612 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 38, Exeter Road998 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
|---|
| 203, Winchester Road855 m away | 71 m² | 128 m² | +57 m² +80% | 2023 |
|---|
| 102, Nightingale Road628 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 33, Balham Road931 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
|---|
| 16, Southfield Road793 m away | 87 m² | 142 m² | +55 m² +63% | 2026 |
|---|
| 54, Dartford Avenue775 m away | 88 m² | 143 m² | +55 m² +63% | 2019 |
|---|
| 49, Lowden Road389 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 26, Chatsworth Drive749 m away | 63 m² | 116 m² | +53 m² +84% | 2023 |
|---|
| 6, Kenwood Road726 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
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| 165, Bounces Road862 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 31, Bury Street548 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
|---|
| 69, Westminster Road602 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 20, Warren Close903 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
|---|
| 175, Hertford Road415 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 143, Croyland Road701 m away | 74 m² | 124 m² | +50 m² +68% | 2020 |
|---|
| 53, Grosvenor Road432 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 300, Hertford Road259 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 21, Findon Road465 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 96, Winchester Road901 m away | 84 m² | 132 m² | +48 m² +57% | 2021 |
|---|
| 50, Shirley Grove850 m away | 75 m² | 122 m² | +47 m² +63% | 2026 |
|---|
| 83, Trinity Avenue976 m away | 114 m² | 161 m² | +47 m² +41% | 2026 |
|---|
| 21, Galliard Road606 m away | 99 m² | 146 m² | +47 m² +47% | 2024 |
|---|
| 63, Chichester Road887 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
|---|
| 15, St Peters Road620 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road465 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 73, Chiswick Road828 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 157, Cuckoo Hall Lane799 m away | 71 m² | 117 m² | +46 m² +65% | 2023 |
|---|
| 23, Rosemary Avenue501 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 15, St Michaels Avenue590 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
|---|
| 208, Bounces Road918 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 36, Colville Road321 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 57, Grosvenor Road432 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 14, Grosvenor Road446 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 75, Chiswick Road828 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 67, Chatsworth Drive708 m away | 85 m² | 129 m² | +44 m² +52% | 2019 |
|---|
| 47, Bridlington Road98 m away | 77 m² | 121 m² | +44 m² +57% | 2015 |
|---|
| 202, Winchester Road840 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 42, Oxford Road804 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 52, Clarence Road964 m away | 95 m² | 137 m² | +42 m² +44% | 2019 |
|---|
| 4, Darley Road892 m away | 82 m² | 123 m² | +41 m² +50% | 2025 |
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| 111, Winchester Road952 m away | 83 m² | 124 m² | +41 m² +49% | 2025 |
|---|
| 4, Warren Crescent743 m away | 94 m² | 133 m² | +39 m² +41% | 2024 |
|---|
| 1, Brierley Avenue865 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 9, Clarence Road993 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
|---|
| 40, Exeter Road998 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 42, Dartford Avenue775 m away | 87 m² | 124 m² | +37 m² +43% | 2022 |
|---|
| 244, Hertford Road356 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
|---|
| 20, Coniston Gardens739 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 42, Galliard Road534 m away | 76 m² | 113 m² | +37 m² +49% | 2015 |
|---|
| 11, Tranmere Road973 m away | 57 m² | 94 m² | +37 m² +65% | 2010 |
|---|
| 23, Chester Road608 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 79, Chatsworth Drive708 m away | 66 m² | 102 m² | +36 m² +55% | 2022 |
|---|
| 48, Forest Road300 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
|---|
| 66, St Peters Road619 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 27, Chiswick Road969 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 7, Harrow Avenue862 m away | 79 m² | 114 m² | +35 m² +44% | 2023 |
|---|
| 189, Bounces Road862 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 3, Northfield Road876 m away | 102 m² | 137 m² | +35 m² +34% | 2022 |
|---|
| 16, Oxford Road804 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 15, Lathkill Close750 m away | 53 m² | 88 m² | +35 m² +66% | 2016 |
|---|
| 51, Southfield Road758 m away | 84 m² | 119 m² | +35 m² +42% | 2015 |
|---|
| 178, Bounces Road918 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
|---|
| 49, Gordon Road829 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 51, Chester Road608 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 78, Woodgrange Gardens730 m away | 70 m² | 104 m² | +34 m² +49% | 2014 |
|---|
| 53, Westminster Road602 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 12, Oxford Road804 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 47, Harrow Avenue862 m away | 106 m² | 139 m² | +33 m² +31% | 2022 |
|---|
| 7, Nash Road977 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 199, Galliard Road584 m away | 79 m² | 112 m² | +33 m² +42% | 2021 |
|---|
| 258, Croyland Road724 m away | 78 m² | 110 m² | +32 m² +41% | 2026 |
|---|
| 70, Lowden Road371 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 34, Elmcroft Avenue646 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
|---|
| 31, Westminster Road602 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 45, Cornwallis Road855 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 22, Hazelwood Road990 m away | 85 m² | 117 m² | +32 m² +38% | 2022 |
|---|
| 26, Oxford Road925 m away | 77 m² | 109 m² | +32 m² +42% | 2020 |
|---|
| 97, Grosvenor Road432 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road774 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 4, Northfield Road848 m away | 111 m² | 142 m² | +31 m² +28% | 2025 |
|---|
| 32, Wellstead Avenue898 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
|---|
| 35, Bury Street548 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road493 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
|---|
| 1, Kingsmead Avenue599 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
|---|
| 47, Oxford Road812 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 14, Chelsfield Green940 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
|---|
| 70, Croyland Road778 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
|---|
| 214, Hertford Road484 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
|---|
| 292, Nightingale Road904 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 15, North Road228 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 131, St Marys Road693 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 7, St Alphege Road409 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
|---|
| 1a, Norfolk Road920 m away | 42 m² | 72 m² | +30 m² +71% | 2021 |
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| 40, Denny Road316 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
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| 103, Winchester Road952 m away | 100 m² | 129 m² | +29 m² +29% | 2025 |
|---|
| 19, Elstree Gardens606 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 174, Croyland Road803 m away | 95 m² | 124 m² | +29 m² +31% | 2024 |
|---|
| 282, Nightingale Road904 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
|---|
| 28, Turin Road534 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
|---|
| 10, Galliard Road534 m away | 57 m² | 86 m² | +29 m² +51% | 2022 |
|---|
| 108, Chatsworth Drive737 m away | 64 m² | 93 m² | +29 m² +45% | 2020 |
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| 62, Tramway Avenue289 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
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| 8, Grosvenor Road446 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
|---|
| 7, Shirley Grove827 m away | 59 m² | 88 m² | +29 m² +49% | 2018 |
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| 24, Findon Road465 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
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| 21, Chelsfield Avenue985 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
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| 35, Doncaster Road96 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 133, St Marys Road693 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
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| 44, Galliard Road534 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
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| 5b, Balham Road931 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
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| 13, Oxford Road812 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 42, Balham Road916 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
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| 23, Grosvenor Road432 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
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| 24, Southfield Road793 m away | 57 m² | 85 m² | +28 m² +49% | 2011 |
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| 35, Marsden Road965 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
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| 26, Gordon Road842 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
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| 90, Forest Road300 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
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| 194, Galliard Road627 m away | 98 m² | 125 m² | +27 m² +28% | 2020 |
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| 60, Hazelwood Road990 m away | 78 m² | 105 m² | +27 m² +35% | 2019 |
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| 100, Forest Road300 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 57, Lowden Road389 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 61, Clarence Road993 m away | 110 m² | 136 m² | +26 m² +24% | 2026 |
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| 393, Hertford Road233 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
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| 124, St Edmunds Road595 m away | 91 m² | 117 m² | +26 m² +29% | 2025 |
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| 145, Bury Street611 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
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| 16, Mayfield Crescent678 m away | 67 m² | 93 m² | +26 m² +39% | 2024 |
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| 266a, St Marys Road813 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
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| 94, Sandhurst Road896 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
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| 64, Cambourne Avenue874 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
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| 238, Croyland Road724 m away | 103 m² | 129 m² | +26 m² +25% | 2020 |
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| 45, Penfold Road892 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
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| 11, Kingsmead Avenue599 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
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| 59, Lowden Road389 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 8, Bury Street556 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 18, Norfolk Road920 m away | 81 m² | 107 m² | +26 m² +32% | 2010 |
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| 57, Bath Road834 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 32, Rugby Avenue937 m away | 72 m² | 97 m² | +25 m² +35% | 2024 |
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| 37, Cornwallis Road855 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| 39, Norfolk Road920 m away | 70 m² | 95 m² | +25 m² +36% | 2021 |
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| 520, Hertford Road510 m away | 47 m² | 72 m² | +25 m² +53% | 2010 |
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| 13, Cornwallis Grove911 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
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| 50, Norfolk Road920 m away | 81 m² | 105 m² | +24 m² +30% | 2026 |
|---|
| 58, Cornwallis Grove889 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
|---|
| 128, Oaklands Avenue491 m away | 56 m² | 80 m² | +24 m² +43% | 2021 |
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| 7, Elstree Gardens606 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 62, Mayfield Crescent862 m away | 68 m² | 91 m² | +23 m² +34% | 2026 |
|---|
| 72, Westminster Road584 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
|---|
| 27, Chester Gardens792 m away | 73 m² | 96 m² | +23 m² +32% | 2022 |
|---|
| 86, Southfield Road793 m away | 85 m² | 108 m² | +23 m² +27% | 2022 |
|---|
| 5, Cambourne Avenue861 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
|---|
| 16, Stowe Gardens928 m away | 69 m² | 92 m² | +23 m² +33% | 2022 |
|---|
| 288, Hertford Road259 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
|---|
| 53, Southfield Road758 m away | 103 m² | 126 m² | +23 m² +22% | 2019 |
|---|
| 5, Scarborough Road575 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
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| 54, Oxford Road804 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
|---|
| 43, King Edwards Road105 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
|---|
| 2, Salmons Road699 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
|---|
| 80, Latymer Road983 m away | 65 m² | 87 m² | +22 m² +34% | 2023 |
|---|
| 39, Devonshire Road844 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
|---|
| 94, Oaklands Avenue491 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
|---|
| 51, Beatrice Road567 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
|---|
| 29, Colville Road328 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
|---|
| 14, Shirley Grove850 m away | 66 m² | 88 m² | +22 m² +33% | 2011 |
|---|
| 140, Nightingale Road698 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
|---|
| 2, Crescent Road511 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
|---|
| 37, Denny Road344 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
|---|
| 16, Oxford Road925 m away | 95 m² | 116 m² | +21 m² +22% | 2025 |
|---|
| 20, Cornwallis Grove889 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
|---|
| 13, Cornwallis Avenue961 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
|---|
| 117, Croyland Road701 m away | 68 m² | 89 m² | +21 m² +31% | 2022 |
|---|
| 102, Charlton Road982 m away | 103 m² | 124 m² | +21 m² +20% | 2022 |
|---|
| 35, Chatsworth Drive733 m away | 79 m² | 100 m² | +21 m² +27% | 2021 |
|---|
| 17, Croyland Road774 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
|---|
| 300, Nightingale Road904 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
|---|
| 20, Oxford Close804 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
|---|
| 5a, Woodgrange Terrace879 m away | 41 m² | 62 m² | +21 m² +51% | 2020 |
|---|
| 70, Clarence Road964 m away | 116 m² | 137 m² | +21 m² +18% | 2012 |
|---|
| 34, Croyland Road724 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
|---|
| 86, Chester Road594 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
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