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 7QP
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 Lane852 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 23, Wellington Avenue954 m away | 99 m² | 190 m² | +91 m² +92% | 2022 |
| 189, St Marys Road781 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 147, St Edmunds Road591 m away | 86 m² | 167 m² | +81 m² +94% | 2022 |
| 4a, Latymer Road801 m away | 234 m² | 314 m² | +80 m² +34% | 2019 |
| 15, Hamilton Avenue609 m away | 60 m² | 133 m² | +73 m² +122% | 2022 |
| 19, Bury Street232 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 79, King Edwards Road387 m away | 78 m² | 147 m² | +69 m² +88% | 2025 |
| 1, Lowden Road335 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 |
| 10, Lichfield Road844 m away | 100 m² | 168 m² | +68 m² +68% | 2020 |
|---|
| 228, Bounces Road844 m away | 91 m² | 158 m² | +67 m² +74% | 2023 |
|---|
| 24, Cornwallis Grove743 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
|---|
| 94, St Edmunds Road560 m away | 70 m² | 135 m² | +65 m² +93% | 2025 |
|---|
| 38, Galliard Road454 m away | 61 m² | 125 m² | +64 m² +105% | 2024 |
|---|
| 13, Gordon Road629 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
|---|
| 24, Coniston Gardens752 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
|---|
| 62, Tillotson Road994 m away | 101 m² | 163 m² | +62 m² +61% | 2026 |
|---|
| 195, St Marys Road781 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 228, Nightingale Road939 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
|---|
| 92, Chester Road465 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 37, Woodlands Road662 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 38, Exeter Road858 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
|---|
| 203, Winchester Road610 m away | 71 m² | 128 m² | +57 m² +80% | 2023 |
|---|
| 102, Nightingale Road907 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 33, Balham Road620 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
|---|
| 49, Lowden Road335 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 26, Chatsworth Drive871 m away | 63 m² | 116 m² | +53 m² +84% | 2023 |
|---|
| 6, Kenwood Road405 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 165, Bounces Road801 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 25, Seymour Road845 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
|---|
| 31, Bury Street232 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
|---|
| 69, Westminster Road432 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 175, Hertford Road183 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 143, Croyland Road424 m away | 74 m² | 124 m² | +50 m² +68% | 2020 |
|---|
| 53, Grosvenor Road339 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 21, Findon Road175 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 300, Hertford Road214 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 96, Winchester Road588 m away | 84 m² | 132 m² | +48 m² +57% | 2021 |
|---|
| 21, Galliard Road387 m away | 99 m² | 146 m² | +47 m² +47% | 2024 |
|---|
| 63, Chichester Road572 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
|---|
| 15, St Peters Road524 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road588 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 73, Chiswick Road533 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 23, Rosemary Avenue305 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 15, St Michaels Avenue833 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
|---|
| 208, Bounces Road844 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 18, Logan Road856 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 36, Colville Road0 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 57, Grosvenor Road339 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 14, Grosvenor Road288 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 75, Chiswick Road533 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 67, Chatsworth Drive732 m away | 85 m² | 129 m² | +44 m² +52% | 2019 |
|---|
| 47, Bridlington Road354 m away | 77 m² | 121 m² | +44 m² +57% | 2015 |
|---|
| 202, Winchester Road564 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 42, Oxford Road581 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 111, Winchester Road638 m away | 83 m² | 124 m² | +41 m² +49% | 2025 |
|---|
| 4, Darley Road698 m away | 82 m² | 123 m² | +41 m² +50% | 2025 |
|---|
| 35, Lion Road757 m away | 86 m² | 126 m² | +40 m² +47% | 2024 |
|---|
| 145, Latymer Road779 m away | 71 m² | 111 m² | +40 m² +56% | 2023 |
|---|
| 4, Warren Crescent585 m away | 94 m² | 133 m² | +39 m² +41% | 2024 |
|---|
| 40, Dover Road935 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 19, Westoe Road778 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
|---|
| 126, Town Road887 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
|---|
| 1, Brierley Avenue907 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 40, Exeter Road858 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 11, Delhi Road969 m away | 92 m² | 130 m² | +38 m² +41% | 2012 |
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| 60, Lion Road750 m away | 75 m² | 112 m² | +37 m² +49% | 2023 |
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| 22, Wellington Avenue971 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
|---|
| 244, Hertford Road195 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
|---|
| 20, Coniston Gardens752 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 42, Galliard Road454 m away | 76 m² | 113 m² | +37 m² +49% | 2015 |
|---|
| 11, Tranmere Road786 m away | 57 m² | 94 m² | +37 m² +65% | 2010 |
|---|
| 23, Chester Road490 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 79, Chatsworth Drive732 m away | 66 m² | 102 m² | +36 m² +55% | 2022 |
|---|
| 48, Forest Road330 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
|---|
| 24, Wyldfield Gardens966 m away | 87 m² | 123 m² | +36 m² +41% | 2014 |
|---|
| 66, St Peters Road539 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 27, Chiswick Road670 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 106, Exeter Road969 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 189, Bounces Road801 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 7, Harrow Avenue895 m away | 79 m² | 114 m² | +35 m² +44% | 2023 |
|---|
| 16, Oxford Road581 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 15, Lathkill Close707 m away | 53 m² | 88 m² | +35 m² +66% | 2016 |
|---|
| 178, Bounces Road844 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
|---|
| 49, Gordon Road629 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 51, Chester Road490 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 78, Woodgrange Gardens940 m away | 70 m² | 104 m² | +34 m² +49% | 2014 |
|---|
| 53, Westminster Road432 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 12, Oxford Road581 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 7, Nash Road884 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 47, Harrow Avenue895 m away | 106 m² | 139 m² | +33 m² +31% | 2022 |
|---|
| 199, Galliard Road846 m away | 79 m² | 112 m² | +33 m² +42% | 2021 |
|---|
| 258, Croyland Road451 m away | 78 m² | 110 m² | +32 m² +41% | 2026 |
|---|
| 70, Lowden Road341 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 34, Elmcroft Avenue962 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
|---|
| 31, Westminster Road432 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 45, Cornwallis Road676 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 97, Grosvenor Road339 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road456 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 35, Bury Street232 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road172 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
|---|
| 1, Kingsmead Avenue385 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
|---|
| 47, Oxford Road597 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 70, Croyland Road465 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
|---|
| 214, Hertford Road247 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
|---|
| 292, Nightingale Road949 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 3a, Keats Parade, Church Street860 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
|---|
| 48, Winchester Road718 m away | 96 m² | 127 m² | +31 m² +32% | 2012 |
|---|
| 15, North Road122 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 131, St Marys Road781 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 7, St Alphege Road690 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
|---|
| 40, Denny Road77 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
|---|
| 13, Ranworth Road918 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| 103, Winchester Road638 m away | 100 m² | 129 m² | +29 m² +29% | 2025 |
|---|
| 19, Elstree Gardens406 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 174, Croyland Road486 m away | 95 m² | 124 m² | +29 m² +31% | 2024 |
|---|
| 282, Nightingale Road949 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
|---|
| 28, Turin Road739 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
|---|
| 11, Sawyer Close784 m away | 42 m² | 71 m² | +29 m² +69% | 2023 |
|---|
| 10, Galliard Road454 m away | 57 m² | 86 m² | +29 m² +51% | 2022 |
|---|
| 108, Chatsworth Drive765 m away | 64 m² | 93 m² | +29 m² +45% | 2020 |
|---|
| 8, Grosvenor Road288 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
|---|
| 62, Tramway Avenue551 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
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| 24, Findon Road175 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
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| 35, Doncaster Road290 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 133, St Marys Road781 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
|---|
| 45, Countisbury Avenue991 m away | 80 m² | 108 m² | +28 m² +35% | 2025 |
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| 44, Galliard Road454 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
|---|
| 38, Dover Road935 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
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| 5b, Balham Road620 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
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| 13, Oxford Road597 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 42, Balham Road600 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
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| 10, Sawyer Close784 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
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| 23, Grosvenor Road339 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
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| 35, Marsden Road724 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
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| 26, Gordon Road650 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
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| 90, Forest Road330 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
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| 101, Exeter Road969 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 194, Galliard Road948 m away | 98 m² | 125 m² | +27 m² +28% | 2020 |
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| 100, Forest Road330 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 57, Lowden Road335 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 145, Bury Street321 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
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| 393, Hertford Road546 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
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| 124, St Edmunds Road673 m away | 91 m² | 117 m² | +26 m² +29% | 2025 |
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| 266a, St Marys Road895 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
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| 16, Mayfield Crescent948 m away | 67 m² | 93 m² | +26 m² +39% | 2024 |
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| 7, Dover Road935 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
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| 238, Croyland Road451 m away | 103 m² | 129 m² | +26 m² +25% | 2020 |
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| 11, Kingsmead Avenue385 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
|---|
| 59, Lowden Road335 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 37, Harton Road806 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
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| 8, Bury Street262 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 57, Bath Road700 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 32, Rugby Avenue701 m away | 72 m² | 97 m² | +25 m² +35% | 2024 |
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| 37, Cornwallis Road676 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| 99, Town Road860 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
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| 520, Hertford Road825 m away | 47 m² | 72 m² | +25 m² +53% | 2010 |
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| 13, Cornwallis Grove761 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
|---|
| 58, Cornwallis Grove743 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
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| 16, Lion Road750 m away | 75 m² | 99 m² | +24 m² +32% | 2025 |
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| 22, Nelson Road938 m away | 56 m² | 80 m² | +24 m² +43% | 2024 |
|---|
| 128, Oaklands Avenue781 m away | 56 m² | 80 m² | +24 m² +43% | 2021 |
|---|
| 7, Elstree Gardens406 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
|---|
| 32, Wellington Avenue971 m away | 85 m² | 109 m² | +24 m² +28% | 2012 |
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| 72, Westminster Road433 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
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| 16, Stowe Gardens636 m away | 69 m² | 92 m² | +23 m² +33% | 2022 |
|---|
| 158, Streamside Close958 m away | 29 m² | 52 m² | +23 m² +79% | 2021 |
|---|
| 288, Hertford Road214 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
|---|
| 5, Scarborough Road864 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
|---|
| 2a, Keats Parade860 m away | 19 m² | 42 m² | +23 m² +121% | 2012 |
|---|
| 40, Church Street897 m away | 137 m² | 159 m² | +22 m² +16% | 2026 |
|---|
| 54, Oxford Road581 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
|---|
| 43, King Edwards Road425 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
|---|
| 2, Salmons Road396 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
|---|
| 80, Latymer Road743 m away | 65 m² | 87 m² | +22 m² +34% | 2023 |
|---|
| 39, Devonshire Road863 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
|---|
| 94, Oaklands Avenue781 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
|---|
| 51, Beatrice Road872 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
|---|
| 29, Colville Road26 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
|---|
| 29, Dover Road935 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
|---|
| 140, Nightingale Road890 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
|---|
| 2, Crescent Road206 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
|---|
| 28, Nelson Road938 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
|---|
| 37, Denny Road88 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
|---|
| 20, Cornwallis Grove743 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
|---|
| 13, Cornwallis Avenue797 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
|---|
| 18, Wyldfield Gardens966 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
|---|
| 117, Croyland Road424 m away | 68 m² | 89 m² | +21 m² +31% | 2022 |
|---|
| 17, Croyland Road456 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
|---|
| 35, Chatsworth Drive822 m away | 79 m² | 100 m² | +21 m² +27% | 2021 |
|---|
| 300, Nightingale Road949 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
|---|
| 20, Oxford Close565 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
|---|
| 34, Croyland Road437 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
|---|
| 86, Chester Road465 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 62, Woodgrange Gardens940 m away | 85 m² | 105 m² | +20 m² +24% | 2025 |
|---|
| 296, Nightingale Road949 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
|---|
| 253, Hertford Road167 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
|---|
| 49, Dimsdale Drive881 m away | 86 m² | 106 m² | +20 m² +23% | 2022 |
|---|
| 16, Forest Road330 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
|---|
| 34, Oaklands Avenue827 m away | 76 m² | 96 m² | +20 m² +26% | 2020 |
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