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 7RH
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 Lane636 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 76, Cambourne Avenue958 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 189, St Marys Road788 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 147, St Edmunds Road558 m away | 86 m² | 167 m² | +81 m² +94% | 2022 |
| 15, Hamilton Avenue499 m away | 60 m² | 133 m² | +73 m² +122% | 2022 |
| 19, Bury Street585 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 79, King Edwards Road34 m away | 78 m² | 147 m² | +69 m² +88% | 2025 |
| 65, Leighton Road932 m away | 75 m² | 144 m² | +69 m² +92% | 2014 |
| 1, Lowden Road480 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.
| 105 m² |
| 173 m² |
| +68 m² +65% |
| 2020 |
| 24, Cornwallis Grove979 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
|---|
| 94, St Edmunds Road526 m away | 70 m² | 135 m² | +65 m² +93% | 2025 |
|---|
| 38, Galliard Road467 m away | 61 m² | 125 m² | +64 m² +105% | 2024 |
|---|
| 13, Gordon Road910 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
|---|
| 60, Northfield Road817 m away | 103 m² | 166 m² | +63 m² +61% | 2025 |
|---|
| 24, Coniston Gardens837 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
|---|
| 195, St Marys Road788 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 1, Northfield Road843 m away | 92 m² | 153 m² | +61 m² +66% | 2023 |
|---|
| 129, Cuckoo Hall Lane862 m away | 86 m² | 146 m² | +60 m² +70% | 2025 |
|---|
| 228, Nightingale Road909 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
|---|
| 92, Chester Road683 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 37, Woodlands Road710 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 203, Winchester Road825 m away | 71 m² | 128 m² | +57 m² +80% | 2023 |
|---|
| 102, Nightingale Road675 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 33, Balham Road973 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
|---|
| 16, Southfield Road762 m away | 87 m² | 142 m² | +55 m² +63% | 2026 |
|---|
| 54, Dartford Avenue806 m away | 88 m² | 143 m² | +55 m² +63% | 2019 |
|---|
| 49, Lowden Road480 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 26, Chatsworth Drive651 m away | 63 m² | 116 m² | +53 m² +84% | 2023 |
|---|
| 6, Kenwood Road749 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 165, Bounces Road959 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 31, Bury Street585 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
|---|
| 353, Lincoln Road965 m away | 67 m² | 119 m² | +52 m² +78% | 2015 |
|---|
| 69, Westminster Road685 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 20, Warren Close983 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
|---|
| 41, Hazelwood Road906 m away | 68 m² | 119 m² | +51 m² +75% | 2017 |
|---|
| 175, Hertford Road480 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 143, Croyland Road688 m away | 74 m² | 124 m² | +50 m² +68% | 2020 |
|---|
| 53, Grosvenor Road521 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 300, Hertford Road343 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 21, Findon Road516 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 51, Hazelwood Road906 m away | 76 m² | 124 m² | +48 m² +63% | 2022 |
|---|
| 96, Winchester Road908 m away | 84 m² | 132 m² | +48 m² +57% | 2021 |
|---|
| 83, Trinity Avenue879 m away | 114 m² | 161 m² | +47 m² +41% | 2026 |
|---|
| 50, Shirley Grove921 m away | 75 m² | 122 m² | +47 m² +63% | 2026 |
|---|
| 21, Galliard Road574 m away | 99 m² | 146 m² | +47 m² +47% | 2024 |
|---|
| 63, Chichester Road897 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
|---|
| 15, St Peters Road712 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road560 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 73, Chiswick Road881 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 157, Cuckoo Hall Lane862 m away | 71 m² | 117 m² | +46 m² +65% | 2023 |
|---|
| 23, Rosemary Avenue577 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 15, St Michaels Avenue656 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
|---|
| 36, Colville Road354 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 57, Grosvenor Road521 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 14, Grosvenor Road527 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 75, Chiswick Road881 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 67, Chatsworth Drive617 m away | 85 m² | 129 m² | +44 m² +52% | 2019 |
|---|
| 47, Bridlington Road0 m away | 77 m² | 121 m² | +44 m² +57% | 2015 |
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| 202, Winchester Road823 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 25, Lynmouth Avenue970 m away | 81 m² | 123 m² | +42 m² +52% | 2026 |
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| 42, Oxford Road880 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
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| 52, Clarence Road931 m away | 95 m² | 137 m² | +42 m² +44% | 2019 |
|---|
| 4, Darley Road843 m away | 82 m² | 123 m² | +41 m² +50% | 2025 |
|---|
| 111, Winchester Road960 m away | 83 m² | 124 m² | +41 m² +49% | 2025 |
|---|
| 145, Latymer Road984 m away | 71 m² | 111 m² | +40 m² +56% | 2023 |
|---|
| 4, Warren Crescent688 m away | 94 m² | 133 m² | +39 m² +41% | 2024 |
|---|
| 21, Countisbury Avenue970 m away | 84 m² | 123 m² | +39 m² +46% | 2023 |
|---|
| 1, Brierley Avenue962 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 9, Clarence Road959 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
|---|
| 42, Dartford Avenue806 m away | 87 m² | 124 m² | +37 m² +43% | 2022 |
|---|
| 244, Hertford Road430 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
|---|
| 20, Coniston Gardens837 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 42, Galliard Road467 m away | 76 m² | 113 m² | +37 m² +49% | 2015 |
|---|
| 11, Tranmere Road921 m away | 57 m² | 94 m² | +37 m² +65% | 2010 |
|---|
| 79, Chatsworth Drive617 m away | 66 m² | 102 m² | +36 m² +55% | 2022 |
|---|
| 23, Chester Road698 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 48, Forest Road396 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
|---|
| 66, St Peters Road713 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 7, Harrow Avenue768 m away | 79 m² | 114 m² | +35 m² +44% | 2023 |
|---|
| 189, Bounces Road959 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 3, Northfield Road843 m away | 102 m² | 137 m² | +35 m² +34% | 2022 |
|---|
| 16, Oxford Road880 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 15, Lathkill Close669 m away | 53 m² | 88 m² | +35 m² +66% | 2016 |
|---|
| 51, Southfield Road726 m away | 84 m² | 119 m² | +35 m² +42% | 2015 |
|---|
| 49, Gordon Road910 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 51, Chester Road698 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 78, Woodgrange Gardens639 m away | 70 m² | 104 m² | +34 m² +49% | 2014 |
|---|
| 53, Westminster Road685 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 12, Oxford Road880 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 47, Harrow Avenue768 m away | 106 m² | 139 m² | +33 m² +31% | 2022 |
|---|
| 199, Galliard Road507 m away | 79 m² | 112 m² | +33 m² +42% | 2021 |
|---|
| 258, Croyland Road709 m away | 78 m² | 110 m² | +32 m² +41% | 2026 |
|---|
| 70, Lowden Road465 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 34, Elmcroft Avenue613 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
|---|
| 5, Concord Road960 m away | 35 m² | 67 m² | +32 m² +91% | 2024 |
|---|
| 31, Westminster Road685 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 22, Hazelwood Road892 m away | 85 m² | 117 m² | +32 m² +38% | 2022 |
|---|
| 45, Cornwallis Road940 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 26, Oxford Road866 m away | 77 m² | 109 m² | +32 m² +42% | 2020 |
|---|
| 97, Grosvenor Road521 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road808 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 4, Northfield Road817 m away | 111 m² | 142 m² | +31 m² +28% | 2025 |
|---|
| 32, Wellstead Avenue974 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
|---|
| 35, Bury Street585 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road521 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
|---|
| 1, Kingsmead Avenue674 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
|---|
| 47, Oxford Road889 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 14, Chelsfield Green988 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
|---|
| 70, Croyland Road819 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
|---|
| 214, Hertford Road551 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
|---|
| 15, North Road288 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 131, St Marys Road788 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 7, St Alphege Road462 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
|---|
| 1a, Norfolk Road867 m away | 42 m² | 72 m² | +30 m² +71% | 2021 |
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| 40, Denny Road369 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
|---|
| 103, Winchester Road960 m away | 100 m² | 129 m² | +29 m² +29% | 2025 |
|---|
| 19, Elstree Gardens684 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 174, Croyland Road816 m away | 95 m² | 124 m² | +29 m² +31% | 2024 |
|---|
| 28, Turin Road614 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
|---|
| 10, Galliard Road467 m away | 57 m² | 86 m² | +29 m² +51% | 2022 |
|---|
| 108, Chatsworth Drive645 m away | 64 m² | 93 m² | +29 m² +45% | 2020 |
|---|
| 62, Tramway Avenue360 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
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| 8, Grosvenor Road527 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
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| 7, Shirley Grove896 m away | 59 m² | 88 m² | +29 m² +49% | 2018 |
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| 24, Findon Road516 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
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| 35, Doncaster Road192 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 133, St Marys Road788 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
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| 44, Galliard Road467 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
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| 5b, Balham Road973 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
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| 13, Oxford Road889 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 42, Balham Road953 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
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| 23, Grosvenor Road521 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
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| 24, Southfield Road762 m away | 57 m² | 85 m² | +28 m² +49% | 2011 |
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| 26, Gordon Road924 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
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| 90, Forest Road396 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
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| 194, Galliard Road617 m away | 98 m² | 125 m² | +27 m² +28% | 2020 |
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| 60, Hazelwood Road892 m away | 78 m² | 105 m² | +27 m² +35% | 2019 |
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| 100, Forest Road396 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 57, Lowden Road480 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 61, Clarence Road959 m away | 110 m² | 136 m² | +26 m² +24% | 2026 |
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| 393, Hertford Road265 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
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| 124, St Edmunds Road499 m away | 91 m² | 117 m² | +26 m² +29% | 2025 |
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| 145, Bury Street607 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
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| 16, Mayfield Crescent605 m away | 67 m² | 93 m² | +26 m² +39% | 2024 |
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| 266a, St Marys Road908 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
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| 94, Sandhurst Road925 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
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| 64, Cambourne Avenue958 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
|---|
| 1, Concord Road960 m away | 35 m² | 61 m² | +26 m² +74% | 2022 |
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| 238, Croyland Road709 m away | 103 m² | 129 m² | +26 m² +25% | 2020 |
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| 45, Penfold Road981 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
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| 11, Kingsmead Avenue674 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
|---|
| 59, Lowden Road480 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 8, Bury Street607 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 18, Norfolk Road867 m away | 81 m² | 107 m² | +26 m² +32% | 2010 |
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| 57, Bath Road925 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 32, Rugby Avenue902 m away | 72 m² | 97 m² | +25 m² +35% | 2024 |
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| 402, Lincoln Road987 m away | 44 m² | 69 m² | +25 m² +57% | 2024 |
|---|
| 37, Cornwallis Road940 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
|---|
| 39, Norfolk Road867 m away | 70 m² | 95 m² | +25 m² +36% | 2021 |
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| 520, Hertford Road523 m away | 47 m² | 72 m² | +25 m² +53% | 2010 |
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| 50, Norfolk Road867 m away | 81 m² | 105 m² | +24 m² +30% | 2026 |
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| 41, Alberta Road936 m away | 94 m² | 118 m² | +24 m² +26% | 2026 |
|---|
| 58, Cornwallis Grove979 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
|---|
| 128, Oaklands Avenue429 m away | 56 m² | 80 m² | +24 m² +43% | 2021 |
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| 7, Elstree Gardens684 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 287, Lincoln Road977 m away | 102 m² | 126 m² | +24 m² +24% | 2014 |
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| 62, Mayfield Crescent791 m away | 68 m² | 91 m² | +23 m² +34% | 2026 |
|---|
| 72, Westminster Road670 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
|---|
| 27, Chester Gardens728 m away | 73 m² | 96 m² | +23 m² +32% | 2022 |
|---|
| 86, Southfield Road762 m away | 85 m² | 108 m² | +23 m² +27% | 2022 |
|---|
| 16, Stowe Gardens919 m away | 69 m² | 92 m² | +23 m² +33% | 2022 |
|---|
| 5, Cambourne Avenue943 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
|---|
| 288, Hertford Road343 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
|---|
| 53, Southfield Road726 m away | 103 m² | 126 m² | +23 m² +22% | 2019 |
|---|
| 5, Scarborough Road617 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
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| 54, Oxford Road880 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
|---|
| 43, King Edwards Road142 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
|---|
| 2, Salmons Road701 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
|---|
| 80, Latymer Road947 m away | 65 m² | 87 m² | +22 m² +34% | 2023 |
|---|
| 39, Devonshire Road942 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
|---|
| 94, Oaklands Avenue429 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
|---|
| 51, Beatrice Road593 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
|---|
| 29, Colville Road353 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
|---|
| 14, Shirley Grove921 m away | 66 m² | 88 m² | +22 m² +33% | 2011 |
|---|
| 140, Nightingale Road778 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
|---|
| 2, Crescent Road521 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
|---|
| 24, Alberta Road926 m away | 86 m² | 107 m² | +21 m² +24% | 2026 |
|---|
| 37, Denny Road398 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
|---|
| 16, Oxford Road866 m away | 95 m² | 116 m² | +21 m² +22% | 2025 |
|---|
| 20, Cornwallis Grove979 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
|---|
| 117, Croyland Road688 m away | 68 m² | 89 m² | +21 m² +31% | 2022 |
|---|
| 35, Chatsworth Drive635 m away | 79 m² | 100 m² | +21 m² +27% | 2021 |
|---|
| 17, Croyland Road808 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
|---|
| 5a, Woodgrange Terrace781 m away | 41 m² | 62 m² | +21 m² +51% | 2020 |
|---|
| 20, Oxford Close876 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
|---|
| 70, Clarence Road931 m away | 116 m² | 137 m² | +21 m² +18% | 2012 |
|---|
| 34, Croyland Road780 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
|---|
| 86, Chester Road683 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 62, Woodgrange Gardens639 m away | 85 m² | 105 m² | +20 m² +24% | 2025 |
|---|
| 253, Hertford Road360 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
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