Finding extended homes…
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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 EN1 4DJ
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 |
|---|---|---|---|---|
| 250, Baker Street985 m away | 93 m² | 222 m² | +129 m² +139% | 2026 |
| 196, Linden Gardens366 m away | 109 m² | 207 m² | +98 m² +90% | 2025 |
| 3, Carnarvon Avenue587 m away | 72 m² | 160 m² | +88 m² +122% | 2024 |
| 23, Oldbury Road717 m away | 83 m² | 168 m² | +85 m² +102% | 2014 |
| 959, Great Cambridge Road513 m away | 90 m² | 174 m² | +84 m² +93% | 2023 |
| 33, Herrongate Close745 m away | 117 m² | 199 m² | +82 m² +70% | 2015 |
| 179, Stoneleigh Avenue827 m away | 72 m² | 145 m² | +73 m² +101% | 2025 |
| 42, Clay Hill795 m away | 151 m² | 222 m² | +71 m² +47% | 2026 |
| 39, Bridgenhall Road250 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.
| 74 m² |
| 135 m² |
| +61 m² +82% |
| 2026 |
| 78, Central Avenue716 m away | 104 m² | 165 m² | +61 m² +59% | 2025 |
|---|
| 158, Linden Gardens366 m away | 84 m² | 145 m² | +61 m² +73% | 2023 |
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| 37, Churchbury Road932 m away | 79 m² | 140 m² | +61 m² +77% | 2021 |
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| 96, Linden Gardens373 m away | 78 m² | 138 m² | +60 m² +77% | 2020 |
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| 103, Worcesters Avenue455 m away | 69 m² | 128 m² | +59 m² +86% | 2026 |
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| 327, Carterhatch Lane86 m away | 78 m² | 137 m² | +59 m² +76% | 2025 |
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| 136, Linden Gardens366 m away | 92 m² | 151 m² | +59 m² +64% | 2025 |
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| 14, Pembroke Avenue869 m away | 69 m² | 128 m² | +59 m² +86% | 2025 |
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| 377, Carterhatch Lane294 m away | 76 m² | 135 m² | +59 m² +78% | 2023 |
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| 41, Inverness Avenue489 m away | 108 m² | 162 m² | +54 m² +50% | 2024 |
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| 41, St Georges Road370 m away | 94 m² | 145 m² | +51 m² +54% | 2022 |
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| 60, Linden Gardens373 m away | 90 m² | 141 m² | +51 m² +57% | 2016 |
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| 20, St Martins Close632 m away | 104 m² | 154 m² | +50 m² +48% | 2026 |
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| 26, Ridler Road579 m away | 87 m² | 137 m² | +50 m² +57% | 2025 |
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| 48, Goat Lane396 m away | 78 m² | 127 m² | +49 m² +63% | 2024 |
|---|
| 159, Tenniswood Road477 m away | 77 m² | 126 m² | +49 m² +64% | 2021 |
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| 452, Baker Street703 m away | 89 m² | 138 m² | +49 m² +55% | 2021 |
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| 288, Ladysmith Road262 m away | 95 m² | 143 m² | +48 m² +51% | 2025 |
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| 448, Baker Street737 m away | 98 m² | 146 m² | +48 m² +49% | 2023 |
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| 904, Great Cambridge Road524 m away | 77 m² | 124 m² | +47 m² +61% | 2020 |
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| 21, Conway Gardens946 m away | 95 m² | 140 m² | +45 m² +47% | 2026 |
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| 54, Kenilworth Crescent591 m away | 73 m² | 118 m² | +45 m² +62% | 2025 |
|---|
| 104, Mahon Close0 m away | 47 m² | 90 m² | +43 m² +91% | 2021 |
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| 39, Willow Road371 m away | 81 m² | 124 m² | +43 m² +53% | 2019 |
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| 101, Carterhatch Lane823 m away | 36 m² | 79 m² | +43 m² +119% | 2019 |
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| 15, Gough Road799 m away | 37 m² | 80 m² | +43 m² +116% | 2013 |
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| 88, Connaught Avenue919 m away | 64 m² | 106 m² | +42 m² +66% | 2025 |
|---|
| 221, Ladysmith Road564 m away | 77 m² | 118 m² | +41 m² +53% | 2025 |
|---|
| 187, Carterhatch Lane398 m away | 98 m² | 139 m² | +41 m² +42% | 2024 |
|---|
| 24, Dowland House, 4, Holbrook Close243 m away | 40 m² | 81 m² | +41 m² +102% | 2020 |
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| 126, Tenniswood Road607 m away | 70 m² | 111 m² | +41 m² +59% | 2017 |
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| 118, Linden Gardens365 m away | 71 m² | 111 m² | +40 m² +56% | 2026 |
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| 22, Canonbury Road730 m away | 61 m² | 101 m² | +40 m² +66% | 2020 |
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| 393, Baker Street715 m away | 67 m² | 106 m² | +39 m² +58% | 2023 |
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| 73, Boleyn Avenue731 m away | 85 m² | 124 m² | +39 m² +46% | 2020 |
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| 1, Rosemary Avenue896 m away | 80 m² | 119 m² | +39 m² +49% | 2014 |
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| 266, Carterhatch Lane201 m away | 79 m² | 117 m² | +38 m² +48% | 2020 |
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| 314, Ladysmith Road262 m away | 79 m² | 117 m² | +38 m² +48% | 2020 |
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| 40, Worcesters Avenue686 m away | 77 m² | 115 m² | +38 m² +49% | 2013 |
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| 348a, Baker Street814 m away | 59 m² | 96 m² | +37 m² +63% | 2025 |
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| 87, Tenniswood Road635 m away | 84 m² | 121 m² | +37 m² +44% | 2021 |
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| 6, Bridgenhall Road215 m away | 73 m² | 110 m² | +37 m² +51% | 2018 |
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| 7, Bishops Close858 m away | 59 m² | 96 m² | +37 m² +63% | 2016 |
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| 92, Connaught Avenue919 m away | 61 m² | 97 m² | +36 m² +59% | 2026 |
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| 7, Fillebrook Avenue695 m away | 76 m² | 112 m² | +36 m² +47% | 2022 |
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| 892, Great Cambridge Road536 m away | 75 m² | 111 m² | +36 m² +48% | 2019 |
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| 41, Buckingham Close762 m away | 88 m² | 123 m² | +35 m² +40% | 2026 |
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| 115, Tynemouth Drive728 m away | 66 m² | 101 m² | +35 m² +53% | 2024 |
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| 929, Great Cambridge Road460 m away | 78 m² | 113 m² | +35 m² +45% | 2022 |
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| 252, Baker Street985 m away | 58 m² | 93 m² | +35 m² +60% | 2015 |
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| 48, Northumberland Avenue861 m away | 98 m² | 132 m² | +34 m² +35% | 2026 |
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| 120, Worcesters Avenue526 m away | 28 m² | 62 m² | +34 m² +121% | 2024 |
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| 273, Ladysmith Road303 m away | 85 m² | 119 m² | +34 m² +40% | 2023 |
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| 30, Ridler Road579 m away | 94 m² | 128 m² | +34 m² +36% | 2022 |
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| 66, Baynes Close398 m away | 88 m² | 122 m² | +34 m² +39% | 2021 |
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| 80, Boleyn Avenue701 m away | 98 m² | 132 m² | +34 m² +35% | 2021 |
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| 94, Tenniswood Road607 m away | 71 m² | 104 m² | +33 m² +46% | 2026 |
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| 46, Carnarvon Avenue587 m away | 72 m² | 105 m² | +33 m² +46% | 2025 |
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| 470, Baker Street698 m away | 87 m² | 120 m² | +33 m² +38% | 2023 |
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| 83, Linden Gardens411 m away | 80 m² | 113 m² | +33 m² +41% | 2022 |
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| 58, Goat Lane396 m away | 87 m² | 120 m² | +33 m² +38% | 2014 |
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| 18, Meyer Green403 m away | 85 m² | 117 m² | +32 m² +38% | 2025 |
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| 70, Monroe Crescent799 m away | 104 m² | 136 m² | +32 m² +31% | 2025 |
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| 145, Tenniswood Road477 m away | 80 m² | 112 m² | +32 m² +40% | 2022 |
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| 111, Ladysmith Road854 m away | 99 m² | 130 m² | +31 m² +31% | 2025 |
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| 47, Boleyn Avenue731 m away | 70 m² | 101 m² | +31 m² +44% | 2020 |
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| 243, Ladysmith Road564 m away | 109 m² | 139 m² | +30 m² +28% | 2019 |
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| 19a, Bridgenhall Road250 m away | 52 m² | 82 m² | +30 m² +58% | 2010 |
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| 205, Churchbury Lane795 m away | 77 m² | 106 m² | +29 m² +38% | 2026 |
|---|
| 2, Monroe Crescent799 m away | 79 m² | 108 m² | +29 m² +37% | 2025 |
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| 79, Linden Gardens411 m away | 78 m² | 107 m² | +29 m² +37% | 2024 |
|---|
| 10, Rochester Close508 m away | 98 m² | 127 m² | +29 m² +30% | 2023 |
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| 24, Sandringham Close730 m away | 83 m² | 112 m² | +29 m² +35% | 2018 |
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| 27, Stoneleigh Avenue891 m away | 71 m² | 99 m² | +28 m² +39% | 2026 |
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| 395, Baker Street715 m away | 77 m² | 105 m² | +28 m² +36% | 2024 |
|---|
| 102, Myddelton Avenue389 m away | 119 m² | 147 m² | +28 m² +24% | 2023 |
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| 897, Great Cambridge Road459 m away | 88 m² | 116 m² | +28 m² +32% | 2023 |
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| 14, Garnault Road216 m away | 83 m² | 111 m² | +28 m² +34% | 2020 |
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| 76, Carnarvon Avenue734 m away | 76 m² | 103 m² | +27 m² +36% | 2025 |
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| 95, Tenniswood Road635 m away | 77 m² | 104 m² | +27 m² +35% | 2023 |
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| 170, Linden Gardens366 m away | 104 m² | 131 m² | +27 m² +26% | 2022 |
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| 21, Gough Road799 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 122, Willow Road618 m away | 79 m² | 105 m² | +26 m² +33% | 2024 |
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| 5, Kenilworth Crescent737 m away | 73 m² | 99 m² | +26 m² +36% | 2024 |
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| 56, Central Avenue902 m away | 70 m² | 95 m² | +25 m² +36% | 2024 |
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| 292, Hoe Lane456 m away | 84 m² | 109 m² | +25 m² +30% | 2022 |
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| 2, The Approach839 m away | 69 m² | 94 m² | +25 m² +36% | 2014 |
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| 85, Central Avenue716 m away | 76 m² | 100 m² | +24 m² +32% | 2023 |
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| 84, Tynemouth Drive705 m away | 77 m² | 101 m² | +24 m² +31% | 2019 |
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| 66, Maltby Drive839 m away | 35 m² | 59 m² | +24 m² +69% | 2014 |
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| 14, Pentrich Avenue484 m away | 72 m² | 95 m² | +23 m² +32% | 2026 |
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| 45, Sandringham Close711 m away | 75 m² | 98 m² | +23 m² +31% | 2025 |
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| 52, Central Avenue902 m away | 75 m² | 98 m² | +23 m² +31% | 2025 |
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| 146, Tenniswood Road438 m away | 87 m² | 110 m² | +23 m² +26% | 2024 |
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| 69, Stoneleigh Avenue985 m away | 81 m² | 104 m² | +23 m² +28% | 2024 |
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| 133, Ladysmith Road854 m away | 112 m² | 135 m² | +23 m² +21% | 2023 |
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| 93, Mahon Close45 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
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| 26, Bicknoller Road403 m away | 42 m² | 65 m² | +23 m² +55% | 2019 |
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| 37, Inverness Avenue554 m away | 73 m² | 96 m² | +23 m² +32% | 2012 |
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| 251, Ladysmith Road564 m away | 113 m² | 135 m² | +22 m² +19% | 2024 |
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| 14, St Martins Close632 m away | 77 m² | 99 m² | +22 m² +29% | 2024 |
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| 353, Carterhatch Lane294 m away | 87 m² | 109 m² | +22 m² +25% | 2020 |
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| 62, Churchbury Road932 m away | 50 m² | 72 m² | +22 m² +44% | 2018 |
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| 12, Cowdrey Close997 m away | 94 m² | 116 m² | +22 m² +23% | 2017 |
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| 1065, Great Cambridge Road620 m away | 99 m² | 121 m² | +22 m² +22% | 2014 |
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| 44, Pentrich Avenue484 m away | 76 m² | 98 m² | +22 m² +29% | 2013 |
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| 78, Tynemouth Drive705 m away | 86 m² | 108 m² | +22 m² +26% | 2013 |
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| 8, Russell Road419 m away | 95 m² | 117 m² | +22 m² +23% | 2010 |
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| 64, Connaught Avenue794 m away | 44 m² | 65 m² | +21 m² +48% | 2024 |
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| 109, Mahon Close0 m away | 69 m² | 90 m² | +21 m² +30% | 2019 |
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| 33, Worcesters Avenue681 m away | 46 m² | 67 m² | +21 m² +46% | 2019 |
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| 29, Connaught Avenue621 m away | 64 m² | 85 m² | +21 m² +33% | 2018 |
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| 111, Pembroke Avenue816 m away | 78 m² | 98 m² | +20 m² +26% | 2021 |
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| 15, Meyer Green403 m away | 66 m² | 86 m² | +20 m² +30% | 2016 |
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| 16, Burnham Close785 m away | 79 m² | 99 m² | +20 m² +25% | 2015 |
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| 12, Newland Drive754 m away | 84 m² | 104 m² | +20 m² +24% | 2014 |
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| 945, Great Cambridge Road460 m away | 85 m² | 105 m² | +20 m² +24% | 2013 |
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| 4, Tynemouth Drive560 m away | 70 m² | 90 m² | +20 m² +29% | 2013 |
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| 82, Central Avenue716 m away | 66 m² | 86 m² | +20 m² +30% | 2013 |
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| 1091, Great Cambridge Road620 m away | 65 m² | 84 m² | +19 m² +29% | 2025 |
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| 147, Willow Road666 m away | 75 m² | 94 m² | +19 m² +25% | 2023 |
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| 210, Maltby Drive904 m away | 51 m² | 70 m² | +19 m² +37% | 2019 |
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| 71, Willow Road484 m away | 84 m² | 103 m² | +19 m² +23% | 2015 |
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| 85, Linden Gardens365 m away | 75 m² | 93 m² | +18 m² +24% | 2026 |
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| 42, Herrongate Close745 m away | 92 m² | 110 m² | +18 m² +20% | 2023 |
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| 62, Kenilworth Crescent591 m away | 80 m² | 98 m² | +18 m² +23% | 2022 |
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| 38, Orton Grove89 m away | 45 m² | 63 m² | +18 m² +40% | 2021 |
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| 75, Tenniswood Road635 m away | 79 m² | 97 m² | +18 m² +23% | 2017 |
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| 31, Orchard Crescent282 m away | 85 m² | 103 m² | +18 m² +21% | 2016 |
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| 164, Linden Gardens366 m away | 92 m² | 110 m² | +18 m² +20% | 2014 |
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| 16, Worcesters Avenue686 m away | 80 m² | 98 m² | +18 m² +23% | 2014 |
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| 52, Tynemouth Drive560 m away | 81 m² | 99 m² | +18 m² +22% | 2011 |
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| 32, Buckingham Close785 m away | 93 m² | 110 m² | +17 m² +18% | 2026 |
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| 11, Carisbrook Close400 m away | 74 m² | 91 m² | +17 m² +23% | 2025 |
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| 40, Monroe Crescent799 m away | 78 m² | 95 m² | +17 m² +22% | 2025 |
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| 24, Baynes Close398 m away | 88 m² | 105 m² | +17 m² +19% | 2023 |
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| 1037, Great Cambridge Road620 m away | 64 m² | 81 m² | +17 m² +27% | 2019 |
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| 19, Maltby Drive882 m away | 37 m² | 54 m² | +17 m² +46% | 2019 |
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| 25, Bicknoller Road381 m away | 56 m² | 73 m² | +17 m² +30% | 2015 |
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| 274, Carterhatch Lane201 m away | 95 m² | 112 m² | +17 m² +18% | 2014 |
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| 58, Kenilworth Crescent591 m away | 97 m² | 114 m² | +17 m² +18% | 2014 |
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| 118, Tynemouth Drive705 m away | 74 m² | 91 m² | +17 m² +23% | 2014 |
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| 87, Tynemouth Drive728 m away | 78 m² | 95 m² | +17 m² +22% | 2014 |
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| 2, St Martins Close726 m away | 88 m² | 104 m² | +16 m² +18% | 2026 |
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| 21, Goat Lane466 m away | 77 m² | 93 m² | +16 m² +21% | 2024 |
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| 202, Ladysmith Road567 m away | 105 m² | 121 m² | +16 m² +15% | 2023 |
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| 19, Oldbury Road717 m away | 73 m² | 89 m² | +16 m² +22% | 2022 |
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| 33, Stoneleigh Avenue891 m away | 60 m² | 76 m² | +16 m² +27% | 2022 |
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| 8, Newby Close843 m away | 74 m² | 90 m² | +16 m² +22% | 2020 |
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| 53, St Georges Road370 m away | 56 m² | 72 m² | +16 m² +29% | 2016 |
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| 250, Carterhatch Lane201 m away | 76 m² | 92 m² | +16 m² +21% | 2013 |
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| 16, Stoneleigh Avenue985 m away | 78 m² | 94 m² | +16 m² +21% | 2010 |
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| 7a, Donkey Lane596 m away | 68 m² | 83 m² | +15 m² +22% | 2025 |
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| 15, Buckingham Close762 m away | 76 m² | 91 m² | +15 m² +20% | 2025 |
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| 65, Stoneleigh Avenue985 m away | 88 m² | 103 m² | +15 m² +17% | 2025 |
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| 94, Stoneleigh Avenue827 m away | 60 m² | 75 m² | +15 m² +25% | 2024 |
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| 935, Great Cambridge Road460 m away | 84 m² | 99 m² | +15 m² +18% | 2023 |
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| 44, Goat Lane396 m away | 74 m² | 89 m² | +15 m² +20% | 2021 |
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| 43, Orton Grove89 m away | 49 m² | 64 m² | +15 m² +31% | 2020 |
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| 5, Mill House, 4, Canning Square242 m away | 57 m² | 72 m² | +15 m² +26% | 2019 |
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| 75, Maltby Drive838 m away | 42 m² | 57 m² | +15 m² +36% | 2019 |
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| 3, Linden Court, Great Cambridge Road528 m away | 39 m² | 54 m² | +15 m² +38% | 2017 |
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| 317, Hoe Lane302 m away | 83 m² | 98 m² | +15 m² +18% | 2013 |
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| 16, Meyer Green403 m away | 83 m² | 98 m² | +15 m² +18% | 2013 |
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