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 8PA
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 Lane333 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 76, Cambourne Avenue546 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 189, St Marys Road392 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 147, St Edmunds Road965 m away | 86 m² | 167 m² | +81 m² +94% | 2022 |
| 15, Hamilton Avenue914 m away | 60 m² | 133 m² | +73 m² +122% | 2022 |
| 19, Bury Street706 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 79, King Edwards Road421 m away | 78 m² | 147 m² | +69 m² +88% | 2025 |
| 1, Lowden Road338 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 228, Bounces Road719 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 Grove765 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
|---|
| 94, St Edmunds Road932 m away | 70 m² | 135 m² | +65 m² +93% | 2025 |
|---|
| 38, Galliard Road859 m away | 61 m² | 125 m² | +64 m² +105% | 2024 |
|---|
| 13, Gordon Road773 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
|---|
| 60, Northfield Road852 m away | 103 m² | 166 m² | +63 m² +61% | 2025 |
|---|
| 50, Church Road987 m away | 83 m² | 146 m² | +63 m² +76% | 2025 |
|---|
| 24, Coniston Gardens487 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
|---|
| 195, St Marys Road392 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 1, Northfield Road882 m away | 92 m² | 153 m² | +61 m² +66% | 2023 |
|---|
| 228, Nightingale Road496 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
|---|
| 129, Cuckoo Hall Lane504 m away | 86 m² | 146 m² | +60 m² +70% | 2025 |
|---|
| 92, Chester Road514 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 37, Woodlands Road350 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 38, Exeter Road855 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
|---|
| 102, Nightingale Road396 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 16, Southfield Road800 m away | 87 m² | 142 m² | +55 m² +63% | 2026 |
|---|
| 54, Dartford Avenue582 m away | 88 m² | 143 m² | +55 m² +63% | 2019 |
|---|
| 49, Lowden Road338 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 165, Bounces Road658 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 6, Kenwood Road902 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 25, Seymour Road953 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
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| 31, Bury Street706 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
|---|
| 69, Westminster Road561 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 20, Warren Close576 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
|---|
| 20, Orchard Road977 m away | 95 m² | 145 m² | +50 m² +53% | 2026 |
|---|
| 80, Monmouth Road974 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 175, Hertford Road512 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 143, Croyland Road958 m away | 74 m² | 124 m² | +50 m² +68% | 2020 |
|---|
| 53, Grosvenor Road391 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 300, Hertford Road339 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 21, Findon Road599 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 50, Shirley Grove537 m away | 75 m² | 122 m² | +47 m² +63% | 2026 |
|---|
| 21, Galliard Road896 m away | 99 m² | 146 m² | +47 m² +47% | 2024 |
|---|
| 15, St Peters Road498 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road173 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 73, Chiswick Road905 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 157, Cuckoo Hall Lane504 m away | 71 m² | 117 m² | +46 m² +65% | 2023 |
|---|
| 23, Rosemary Avenue524 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 15, St Michaels Avenue299 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
|---|
| 208, Bounces Road719 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 18, Logan Road943 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 36, Colville Road535 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 57, Grosvenor Road391 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 14, Grosvenor Road459 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 75, Chiswick Road905 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 47, Bridlington Road415 m away | 77 m² | 121 m² | +44 m² +57% | 2015 |
|---|
| 42, Oxford Road779 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 52, Clarence Road966 m away | 95 m² | 137 m² | +42 m² +44% | 2019 |
|---|
| 85, Charlton Road682 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 40, Dover Road867 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 19, Westoe Road950 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
|---|
| 1, Brierley Avenue579 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 40, Exeter Road855 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 9, Clarence Road994 m away | 74 m² | 112 m² | +38 m² +51% | 2023 |
|---|
| 42, Dartford Avenue582 m away | 87 m² | 124 m² | +37 m² +43% | 2022 |
|---|
| 244, Hertford Road431 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
|---|
| 20, Coniston Gardens487 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 42, Galliard Road859 m away | 76 m² | 113 m² | +37 m² +49% | 2015 |
|---|
| 23, Chester Road513 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 48, Forest Road251 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
|---|
| 66, St Peters Road482 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 106, Exeter Road987 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 189, Bounces Road658 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 3, Northfield Road882 m away | 102 m² | 137 m² | +35 m² +34% | 2022 |
|---|
| 16, Oxford Road779 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 126, Sandhurst Road793 m away | 94 m² | 129 m² | +35 m² +37% | 2019 |
|---|
| 51, Southfield Road770 m away | 84 m² | 119 m² | +35 m² +42% | 2015 |
|---|
| 178, Bounces Road719 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
|---|
| 49, Gordon Road773 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 121, Charlton Road682 m away | 80 m² | 114 m² | +34 m² +43% | 2016 |
|---|
| 51, Chester Road513 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 78, Woodgrange Gardens965 m away | 70 m² | 104 m² | +34 m² +49% | 2014 |
|---|
| 53, Westminster Road561 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 12, Oxford Road779 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 7, Nash Road789 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 199, Galliard Road773 m away | 79 m² | 112 m² | +33 m² +42% | 2021 |
|---|
| 258, Croyland Road984 m away | 78 m² | 110 m² | +32 m² +41% | 2026 |
|---|
| 70, Lowden Road311 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 34, Elmcroft Avenue682 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
|---|
| 31, Westminster Road561 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 45, Cornwallis Road771 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 97, Grosvenor Road391 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road916 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 32, Wellstead Avenue575 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
|---|
| 4, Northfield Road852 m away | 111 m² | 142 m² | +31 m² +28% | 2025 |
|---|
| 35, Bury Street706 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road683 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
|---|
| 1, Kingsmead Avenue607 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
|---|
| 14, Chelsfield Green680 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
|---|
| 47, Oxford Road775 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 70, Croyland Road901 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
|---|
| 214, Hertford Road554 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
|---|
| 292, Nightingale Road613 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 24, Church Road987 m away | 91 m² | 121 m² | +30 m² +33% | 2026 |
|---|
| 15, North Road412 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 131, St Marys Road392 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 7, St Alphege Road212 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
|---|
| 1a, Norfolk Road992 m away | 42 m² | 72 m² | +30 m² +71% | 2021 |
|---|
| 40, Denny Road483 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
|---|
| 17, Bunting Close743 m away | 35 m² | 64 m² | +29 m² +83% | 2026 |
|---|
| 13, Ranworth Road963 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| 19, Elstree Gardens597 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 282, Nightingale Road613 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
|---|
| 174, Croyland Road999 m away | 95 m² | 124 m² | +29 m² +31% | 2024 |
|---|
| 28, Turin Road211 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
|---|
| 10, Galliard Road859 m away | 57 m² | 86 m² | +29 m² +51% | 2022 |
|---|
| 62, Tramway Avenue106 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
|---|
| 8, Grosvenor Road459 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
|---|
| 7, Shirley Grove518 m away | 59 m² | 88 m² | +29 m² +49% | 2018 |
|---|
| 24, Findon Road599 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
|---|
| 21, Chelsfield Avenue712 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
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| 106, Croyland Road901 m away | 73 m² | 101 m² | +28 m² +38% | 2026 |
|---|
| 35, Doncaster Road274 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 133, St Marys Road392 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
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| 44, Galliard Road859 m away | 70 m² | 98 m² | +28 m² +40% | 2023 |
|---|
| 38, Dover Road867 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
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| 13, Oxford Road775 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 23, Grosvenor Road391 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
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| 24, Southfield Road800 m away | 57 m² | 85 m² | +28 m² +49% | 2011 |
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| 1, Oxford Road775 m away | 42 m² | 69 m² | +27 m² +64% | 2026 |
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| 35, Marsden Road942 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
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| 26, Gordon Road775 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
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| 90, Forest Road251 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
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| 101, Exeter Road987 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 194, Galliard Road588 m away | 98 m² | 125 m² | +27 m² +28% | 2020 |
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| 100, Forest Road251 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 57, Lowden Road338 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 61, Clarence Road994 m away | 110 m² | 136 m² | +26 m² +24% | 2026 |
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| 393, Hertford Road253 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
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| 145, Bury Street856 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
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| 124, St Edmunds Road911 m away | 91 m² | 117 m² | +26 m² +29% | 2025 |
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| 266a, St Marys Road507 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
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| 94, Sandhurst Road698 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
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| 16, Mayfield Crescent842 m away | 67 m² | 93 m² | +26 m² +39% | 2024 |
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| 64, Cambourne Avenue546 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
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| 7, Dover Road867 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
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| 238, Croyland Road984 m away | 103 m² | 129 m² | +26 m² +25% | 2020 |
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| 45, Penfold Road566 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
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| 11, Kingsmead Avenue607 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
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| 59, Lowden Road338 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 37, Harton Road945 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
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| 8, Bury Street671 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 18, Norfolk Road992 m away | 81 m² | 107 m² | +26 m² +32% | 2010 |
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| 22, Salmons Road928 m away | 91 m² | 116 m² | +25 m² +27% | 2026 |
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| 57, Bath Road706 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 37, Cornwallis Road771 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| 39, Norfolk Road992 m away | 70 m² | 95 m² | +25 m² +36% | 2021 |
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| 44, Chaffinch Close703 m away | 44 m² | 69 m² | +25 m² +57% | 2012 |
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| 13, Cornwallis Grove789 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
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| 94, Grosvenor Road377 m away | 71 m² | 95 m² | +24 m² +34% | 2026 |
|---|
| 50, Norfolk Road992 m away | 81 m² | 105 m² | +24 m² +30% | 2026 |
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| 58, Cornwallis Grove765 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
|---|
| 128, Oaklands Avenue644 m away | 56 m² | 80 m² | +24 m² +43% | 2021 |
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| 7, Elstree Gardens597 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 1, Martin Close724 m away | 20 m² | 44 m² | +24 m² +120% | 2012 |
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| 72, Westminster Road530 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
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| 5, Cambourne Avenue533 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
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| 86, Southfield Road800 m away | 85 m² | 108 m² | +23 m² +27% | 2022 |
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| 27, Chester Gardens915 m away | 73 m² | 96 m² | +23 m² +32% | 2022 |
|---|
| 288, Hertford Road339 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
|---|
| 53, Southfield Road770 m away | 103 m² | 126 m² | +23 m² +22% | 2019 |
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| 5, Scarborough Road370 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
|---|
| 83, High Street991 m away | 105 m² | 128 m² | +23 m² +22% | 2013 |
|---|
| 43, King Edwards Road290 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
|---|
| 189, Sandhurst Road915 m away | 84 m² | 106 m² | +22 m² +26% | 2023 |
|---|
| 2, Salmons Road928 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
|---|
| 39, Devonshire Road577 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
|---|
| 51, Beatrice Road417 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
|---|
| 94, Oaklands Avenue644 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
|---|
| 29, Colville Road554 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
|---|
| 29, Dover Road867 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
|---|
| 14, Shirley Grove537 m away | 66 m² | 88 m² | +22 m² +33% | 2011 |
|---|
| 140, Nightingale Road373 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
|---|
| 2, Crescent Road740 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
|---|
| 37, Denny Road501 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
|---|
| 103, Charlton Road682 m away | 68 m² | 89 m² | +21 m² +31% | 2025 |
|---|
| 20, Cornwallis Grove765 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
|---|
| 13, Cornwallis Avenue847 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
|---|
| 102, Charlton Road657 m away | 103 m² | 124 m² | +21 m² +20% | 2022 |
|---|
| 117, Croyland Road958 m away | 68 m² | 89 m² | +21 m² +31% | 2022 |
|---|
| 300, Nightingale Road613 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
|---|
| 17, Croyland Road916 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
|---|
| 28, Church Road987 m away | 85 m² | 106 m² | +21 m² +25% | 2021 |
|---|
| 20, Oxford Close799 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
|---|
| 70, Clarence Road966 m away | 116 m² | 137 m² | +21 m² +18% | 2012 |
|---|
| 34, Croyland Road800 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
|---|
| 86, Chester Road514 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 296, Nightingale Road613 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
|---|
| 62, Woodgrange Gardens965 m away | 85 m² | 105 m² | +20 m² +24% | 2025 |
|---|
| 253, Hertford Road395 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
|---|
| 16, Forest Road251 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
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