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 FY2 9BU
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 |
|---|---|---|---|---|
| 11, North Drive758 m away | 102 m² | 223 m² | +121 m² +119% | 2014 |
| 423, Warbreck Drive758 m away | 125 m² | 202 m² | +77 m² +62% | 2025 |
| 192, Cavendish Road394 m away | 72 m² | 145 m² | +73 m² +101% | 2022 |
| 6, Pennystone Road729 m away | 107 m² | 179 m² | +72 m² +67% | 2025 |
| 20, Village Way290 m away | 93 m² | 160 m² | +67 m² +72% | 2021 |
| 79, Fleetwood Road654 m away | 124 m² | 190 m² | +66 m² +53% | 2025 |
| 405, Warbreck Drive758 m away | 124 m² | 189 m² | +65 m² +52% | 2016 |
| 292, Queens Promenade585 m away | 290 m² | 353 m² | +63 m² +22% | 2015 |
| 185, Cavendish Road394 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.
| 60 m² |
| 120 m² |
| +60 m² +100% |
| 2013 |
| 34, Fleetwood Road528 m away | 79 m² | 138 m² | +59 m² +75% | 2025 |
|---|
| 16, Sandhurst Avenue488 m away | 207 m² | 266 m² | +59 m² +29% | 2016 |
|---|
| 30, All Saints Road697 m away | 68 m² | 127 m² | +59 m² +87% | 2015 |
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| 27, England Avenue504 m away | 96 m² | 153 m² | +57 m² +59% | 2023 |
|---|
| 8, Upwood Close777 m away | 60 m² | 116 m² | +56 m² +93% | 2022 |
|---|
| 1, Hesketh Avenue846 m away | 59 m² | 113 m² | +54 m² +92% | 2016 |
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| 4, Carcroft Avenue550 m away | 77 m² | 128 m² | +51 m² +66% | 2015 |
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| 208, Cavendish Road394 m away | 69 m² | 118 m² | +49 m² +71% | 2022 |
|---|
| 37, Ashfield Road619 m away | 64 m² | 113 m² | +49 m² +77% | 2015 |
|---|
| 3, Sheringham Avenue740 m away | 65 m² | 114 m² | +49 m² +75% | 2014 |
|---|
| 6, Lentworth Avenue488 m away | 77 m² | 124 m² | +47 m² +61% | 2024 |
|---|
| 61, Red Bank Road750 m away | 106 m² | 153 m² | +47 m² +44% | 2023 |
|---|
| 344, Queens Promenade549 m away | 39 m² | 85 m² | +46 m² +118% | 2024 |
|---|
| 6, Silverdale677 m away | 53 m² | 99 m² | +46 m² +87% | 2022 |
|---|
| 38, Clovelly Avenue604 m away | 105 m² | 150 m² | +45 m² +43% | 2013 |
|---|
| 14, Kildare Road921 m away | 84 m² | 126 m² | +42 m² +50% | 2023 |
|---|
| 7, Madison Avenue563 m away | 160 m² | 202 m² | +42 m² +26% | 2018 |
|---|
| 16, Countess Crescent969 m away | 82 m² | 123 m² | +41 m² +50% | 2026 |
|---|
| 776, Devonshire Road641 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
|---|
| 123, Norbreck Road876 m away | 68 m² | 109 m² | +41 m² +60% | 2019 |
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| 33, Montpelier Avenue474 m away | 83 m² | 124 m² | +41 m² +49% | 2016 |
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| 300, Queens Promenade553 m away | 84 m² | 124 m² | +40 m² +48% | 2009 |
|---|
| 436, Queens Promenade855 m away | 148 m² | 187 m² | +39 m² +26% | 2021 |
|---|
| 138, Red Bank Road495 m away | 37 m² | 76 m² | +39 m² +105% | 2020 |
|---|
| 38, Chatsworth Avenue476 m away | 109 m² | 148 m² | +39 m² +36% | 2019 |
|---|
| 32, Sandhurst Avenue488 m away | 85 m² | 124 m² | +39 m² +46% | 2019 |
|---|
| 45, Rossington Avenue751 m away | 57 m² | 95 m² | +38 m² +67% | 2026 |
|---|
| 19, Chatsworth Avenue476 m away | 60 m² | 98 m² | +38 m² +63% | 2025 |
|---|
| 1, Everest Drive105 m away | 91 m² | 129 m² | +38 m² +42% | 2024 |
|---|
| 42, Briarwood Drive774 m away | 59 m² | 97 m² | +38 m² +64% | 2022 |
|---|
| 14, Melville Road565 m away | 57 m² | 95 m² | +38 m² +67% | 2021 |
|---|
| 128, Kirkstone Drive998 m away | 92 m² | 130 m² | +38 m² +41% | 2018 |
|---|
| 29, Kelvin Road797 m away | 94 m² | 131 m² | +37 m² +39% | 2023 |
|---|
| 37, Rossington Avenue751 m away | 71 m² | 108 m² | +37 m² +52% | 2016 |
|---|
| 23, Cromer Road799 m away | 65 m² | 102 m² | +37 m² +57% | 2015 |
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| 60, Cavendish Road719 m away | 91 m² | 128 m² | +37 m² +41% | 2014 |
|---|
| 58a, Red Bank Road827 m away | 76 m² | 113 m² | +37 m² +49% | 2011 |
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| 9, Salop Avenue640 m away | 71 m² | 107 m² | +36 m² +51% | 2024 |
|---|
| 25, Countess Crescent969 m away | 61 m² | 97 m² | +36 m² +59% | 2021 |
|---|
| 18, Beaufort Avenue554 m away | 184 m² | 220 m² | +36 m² +20% | 2016 |
|---|
| 1, Montpelier Avenue474 m away | 190 m² | 226 m² | +36 m² +19% | 2014 |
|---|
| 21, Hesketh Avenue846 m away | 30 m² | 66 m² | +36 m² +120% | 2009 |
|---|
| 40, Norcliffe Road423 m away | 62 m² | 97 m² | +35 m² +56% | 2025 |
|---|
| 129, Kirkstone Drive717 m away | 53 m² | 88 m² | +35 m² +66% | 2015 |
|---|
| 3, Portree Road907 m away | 76 m² | 111 m² | +35 m² +46% | 2015 |
|---|
| 96, Kirkstone Drive998 m away | 98 m² | 132 m² | +34 m² +35% | 2022 |
|---|
| 43, Hesketh Avenue846 m away | 36 m² | 70 m² | +34 m² +94% | 2019 |
|---|
| 471, Devonshire Road948 m away | 104 m² | 137 m² | +33 m² +32% | 2015 |
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| 23, Village Way290 m away | 117 m² | 149 m² | +32 m² +27% | 2025 |
|---|
| 30, Ashfield Road685 m away | 79 m² | 111 m² | +32 m² +41% | 2015 |
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| 7, Birkdale Avenue594 m away | 65 m² | 96 m² | +31 m² +48% | 2023 |
|---|
| 29, Denstone Avenue648 m away | 71 m² | 102 m² | +31 m² +44% | 2015 |
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| 39, Northgate772 m away | 84 m² | 115 m² | +31 m² +37% | 2013 |
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| 46, Bryning Avenue578 m away | 62 m² | 92 m² | +30 m² +48% | 2014 |
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| 23, Hesketh Avenue846 m away | 27 m² | 57 m² | +30 m² +111% | 2014 |
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| 28, Boston Avenue306 m away | 92 m² | 122 m² | +30 m² +33% | 2011 |
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| 53, Rivington Avenue169 m away | 100 m² | 129 m² | +29 m² +29% | 2022 |
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| 103, Rivington Avenue0 m away | 59 m² | 88 m² | +29 m² +49% | 2016 |
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| 19, Denstone Avenue648 m away | 75 m² | 104 m² | +29 m² +39% | 2016 |
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| 27, Ainsdale Avenue649 m away | 64 m² | 93 m² | +29 m² +45% | 2015 |
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| 29, Bethel Avenue600 m away | 80 m² | 109 m² | +29 m² +36% | 2013 |
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| 36, Kelvin Road797 m away | 47 m² | 76 m² | +29 m² +62% | 2011 |
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| 35, Briarwood Drive777 m away | 82 m² | 110 m² | +28 m² +34% | 2024 |
|---|
| 110, Rivington Avenue0 m away | 74 m² | 102 m² | +28 m² +38% | 2023 |
|---|
| 42, Cromer Road799 m away | 57 m² | 85 m² | +28 m² +49% | 2019 |
|---|
| 15, Bethel Avenue600 m away | 83 m² | 111 m² | +28 m² +34% | 2016 |
|---|
| Denleigh House, 20a, Cliff Place970 m away | 36 m² | 64 m² | +28 m² +78% | 2009 |
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| 18, Ashwell Place889 m away | 93 m² | 120 m² | +27 m² +29% | 2026 |
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| 25, Ainsdale Avenue649 m away | 62 m² | 89 m² | +27 m² +44% | 2022 |
|---|
| 5, Guildford Avenue441 m away | 86 m² | 113 m² | +27 m² +31% | 2020 |
|---|
| 322, Bispham Road510 m away | 65 m² | 91 m² | +26 m² +40% | 2026 |
|---|
| 34, Denstone Avenue648 m away | 60 m² | 86 m² | +26 m² +43% | 2023 |
|---|
| 18, England Avenue651 m away | 96 m² | 121 m² | +25 m² +26% | 2026 |
|---|
| 14, Montpelier Avenue474 m away | 153 m² | 178 m² | +25 m² +16% | 2025 |
|---|
| 26, Montpelier Avenue474 m away | 83 m² | 108 m² | +25 m² +30% | 2016 |
|---|
| 7, Edenvale Avenue960 m away | 90 m² | 115 m² | +25 m² +28% | 2015 |
|---|
| 3, Guildford Avenue441 m away | 122 m² | 147 m² | +25 m² +20% | 2014 |
|---|
| 21, Kelvin Road797 m away | 78 m² | 102 m² | +24 m² +31% | 2026 |
|---|
| 77, Kirkstone Drive918 m away | 107 m² | 131 m² | +24 m² +22% | 2023 |
|---|
| 65, Guildford Avenue527 m away | 68 m² | 92 m² | +24 m² +35% | 2022 |
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| 14, Fleetwood Road528 m away | 68 m² | 92 m² | +24 m² +35% | 2016 |
|---|
| 12, Glenfield Avenue657 m away | 59 m² | 83 m² | +24 m² +41% | 2014 |
|---|
| 34, Ashfield Road685 m away | 75 m² | 99 m² | +24 m² +32% | 2014 |
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| 28, North Drive758 m away | 83 m² | 107 m² | +24 m² +29% | 2014 |
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| 57, Mossom Lane878 m away | 91 m² | 115 m² | +24 m² +26% | 2014 |
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| 10, Sheringham Avenue740 m away | 99 m² | 122 m² | +23 m² +23% | 2026 |
|---|
| 103, Kirkstone Drive717 m away | 75 m² | 98 m² | +23 m² +31% | 2022 |
|---|
| 120, Norcliffe Road149 m away | 92 m² | 115 m² | +23 m² +25% | 2011 |
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| 170, Red Bank Road374 m away | 102 m² | 124 m² | +22 m² +22% | 2026 |
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| 28, Haddon Road431 m away | 96 m² | 118 m² | +22 m² +23% | 2026 |
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| 34, Cranbrook Avenue506 m away | 82 m² | 104 m² | +22 m² +27% | 2025 |
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| 13, Melville Road565 m away | 84 m² | 106 m² | +22 m² +26% | 2025 |
|---|
| Flat 1, 1, Cliff Place970 m away | 56 m² | 78 m² | +22 m² +39% | 2025 |
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| 12, England Avenue651 m away | 88 m² | 110 m² | +22 m² +25% | 2020 |
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| 27, Caxton Avenue192 m away | 77 m² | 99 m² | +22 m² +29% | 2014 |
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| 17, Melville Road565 m away | 78 m² | 100 m² | +22 m² +28% | 2014 |
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| Flat B, 9, Red Bank Road829 m away | 68 m² | 90 m² | +22 m² +32% | 2014 |
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| 4, Haddon Road431 m away | 41 m² | 63 m² | +22 m² +54% | 2009 |
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| 55, All Hallows Road394 m away | 87 m² | 108 m² | +21 m² +24% | 2016 |
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| 29, Buxton Avenue711 m away | 73 m² | 94 m² | +21 m² +29% | 2016 |
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| 644, Devonshire Road90 m away | 117 m² | 138 m² | +21 m² +18% | 2014 |
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| 113, Kirkstone Drive717 m away | 105 m² | 126 m² | +21 m² +20% | 2013 |
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| 295, Bispham Road952 m away | 82 m² | 102 m² | +20 m² +24% | 2023 |
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| 40, Countess Crescent969 m away | 105 m² | 125 m² | +20 m² +19% | 2023 |
|---|
| 2, Norbreck Road467 m away | 39 m² | 59 m² | +20 m² +51% | 2019 |
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| 62, Briarwood Drive774 m away | 43 m² | 63 m² | +20 m² +47% | 2019 |
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| 9, Digham Avenue544 m away | 99 m² | 119 m² | +20 m² +20% | 2017 |
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| 50, Sunny Bank Avenue733 m away | 92 m² | 112 m² | +20 m² +22% | 2016 |
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| 40, Pinewood Avenue991 m away | 55 m² | 75 m² | +20 m² +36% | 2016 |
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| 32, Caxton Avenue192 m away | 129 m² | 149 m² | +20 m² +16% | 2014 |
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| 23, Cliff Place970 m away | 108 m² | 128 m² | +20 m² +19% | 2012 |
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| 598, Devonshire Road205 m away | 110 m² | 129 m² | +19 m² +17% | 2026 |
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| 20, Codale Avenue288 m away | 54 m² | 73 m² | +19 m² +35% | 2023 |
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| Flat 1, 4, Haddon Road431 m away | 42 m² | 61 m² | +19 m² +45% | 2023 |
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| 190, Ashfield Road667 m away | 82 m² | 101 m² | +19 m² +23% | 2018 |
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| 55, Bristol Avenue767 m away | 102 m² | 121 m² | +19 m² +19% | 2016 |
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| 7, Carnforth Avenue709 m away | 71 m² | 90 m² | +19 m² +27% | 2015 |
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| 528, Devonshire Road615 m away | 113 m² | 132 m² | +19 m² +17% | 2014 |
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| 20, Davenport Avenue244 m away | 68 m² | 86 m² | +18 m² +26% | 2026 |
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| 96, Red Bank Road495 m away | 114 m² | 132 m² | +18 m² +16% | 2026 |
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| 19, Hastings Avenue727 m away | 82 m² | 100 m² | +18 m² +22% | 2026 |
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| 116, Ashfield Road537 m away | 72 m² | 90 m² | +18 m² +25% | 2024 |
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| 182, Ashfield Road667 m away | 69 m² | 87 m² | +18 m² +26% | 2023 |
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| 147, Red Bank Road629 m away | 94 m² | 112 m² | +18 m² +19% | 2022 |
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| 27, Rockingham Road920 m away | 71 m² | 89 m² | +18 m² +25% | 2021 |
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| 720, Devonshire Road326 m away | 118 m² | 136 m² | +18 m² +15% | 2019 |
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| 182, Cavendish Road394 m away | 97 m² | 115 m² | +18 m² +19% | 2017 |
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| 144, Norbreck Road632 m away | 75 m² | 93 m² | +18 m² +24% | 2016 |
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| 16, Norbreck Road467 m away | 28 m² | 46 m² | +18 m² +64% | 2014 |
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| 84, Kirkstone Drive998 m away | 100 m² | 118 m² | +18 m² +18% | 2013 |
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| 22, Boston Avenue306 m away | 92 m² | 109 m² | +17 m² +18% | 2026 |
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| 11, Crawford Avenue150 m away | 98 m² | 115 m² | +17 m² +17% | 2025 |
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| 1, Carnforth Avenue709 m away | 62 m² | 79 m² | +17 m² +27% | 2025 |
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| 274, Warbreck Drive995 m away | 76 m² | 93 m² | +17 m² +22% | 2025 |
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| 25, Everest Drive105 m away | 94 m² | 111 m² | +17 m² +18% | 2024 |
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| 19, Westbury Close759 m away | 51 m² | 68 m² | +17 m² +33% | 2024 |
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| 17, Mossom Lane780 m away | 83 m² | 100 m² | +17 m² +20% | 2024 |
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| 48, Rivington Avenue169 m away | 71 m² | 88 m² | +17 m² +24% | 2022 |
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| 6, England Avenue651 m away | 75 m² | 92 m² | +17 m² +23% | 2022 |
|---|
| 43 - 47, Red Bank Road750 m away | 35 m² | 52 m² | +17 m² +49% | 2022 |
|---|
| 208, Ashfield Road667 m away | 53 m² | 70 m² | +17 m² +32% | 2018 |
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| 83, All Hallows Road394 m away | 78 m² | 95 m² | +17 m² +22% | 2017 |
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| 49, Stainforth Avenue686 m away | 82 m² | 99 m² | +17 m² +21% | 2016 |
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| 159, Red Bank Road348 m away | 61 m² | 78 m² | +17 m² +28% | 2015 |
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| Maisonette 8, Denebank, All Hallows Road248 m away | 44 m² | 60 m² | +16 m² +36% | 2024 |
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| 9, Boston Avenue290 m away | 62 m² | 78 m² | +16 m² +26% | 2024 |
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| 6, Crofton Avenue380 m away | 65 m² | 81 m² | +16 m² +25% | 2022 |
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| 54, Crofton Avenue380 m away | 94 m² | 110 m² | +16 m² +17% | 2022 |
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| 60, Kelvin Road797 m away | 86 m² | 102 m² | +16 m² +19% | 2018 |
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| 5, Portree Road907 m away | 82 m² | 98 m² | +16 m² +20% | 2016 |
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| 27, Norcliffe Road423 m away | 91 m² | 106 m² | +15 m² +16% | 2025 |
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| 9, Oakland Avenue588 m away | 84 m² | 99 m² | +15 m² +18% | 2025 |
|---|
| 10, Carr Road657 m away | 55 m² | 70 m² | +15 m² +27% | 2025 |
|---|
| 10, Glossop Close303 m away | 95 m² | 110 m² | +15 m² +16% | 2024 |
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| 12, Falkirk Avenue231 m away | 74 m² | 89 m² | +15 m² +20% | 2023 |
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| 65, Norcliffe Road182 m away | 96 m² | 111 m² | +15 m² +16% | 2020 |
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| 10, Melville Road565 m away | 74 m² | 89 m² | +15 m² +20% | 2013 |
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| 117, Norcliffe Road261 m away | 88 m² | 103 m² | +15 m² +17% | 2009 |
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