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 8NX
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 Lane369 m away | 105 m² | 211 m² | +106 m² +101% | 2019 |
| 76, Cambourne Avenue400 m away | 71 m² | 162 m² | +91 m² +128% | 2025 |
| 189, St Marys Road211 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 19, Bury Street765 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 79, King Edwards Road597 m away | 78 m² | 147 m² | +69 m² +88% | 2025 |
| 1, Lowden Road352 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 228, Bounces Road575 m away | 91 m² | 158 m² | +67 m² +74% | 2023 |
| 24, Cornwallis Grove662 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
| 13, Gordon Road708 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.
| 71 m² |
| 135 m² |
| +64 m² +90% |
| 2014 |
| 60, Northfield Road981 m away | 103 m² | 166 m² | +63 m² +61% | 2025 |
|---|
| 24, Coniston Gardens326 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
|---|
| 195, St Marys Road211 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 76, Picketts Lock Lane941 m away | 85 m² | 147 m² | +62 m² +73% | 2025 |
|---|
| 228, Nightingale Road324 m away | 73 m² | 133 m² | +60 m² +82% | 2025 |
|---|
| 129, Cuckoo Hall Lane451 m away | 86 m² | 146 m² | +60 m² +70% | 2025 |
|---|
| 92, Chester Road463 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 37, Woodlands Road194 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 38, Exeter Road736 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
|---|
| 102, Nightingale Road433 m away | 121 m² | 177 m² | +56 m² +46% | 2021 |
|---|
| 16, Southfield Road932 m away | 87 m² | 142 m² | +55 m² +63% | 2026 |
|---|
| 54, Dartford Avenue626 m away | 88 m² | 143 m² | +55 m² +63% | 2019 |
|---|
| 49, Lowden Road352 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 165, Bounces Road515 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 6, Kenwood Road958 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 25, Seymour Road860 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
|---|
| 31, Bury Street765 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
|---|
| 69, Westminster Road528 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
|---|
| 20, Warren Close443 m away | 77 m² | 128 m² | +51 m² +66% | 2026 |
|---|
| 80, Monmouth Road842 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
|---|
| 175, Hertford Road562 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
|---|
| 53, Grosvenor Road393 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 300, Hertford Road424 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 21, Findon Road655 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 44, Picketts Lock Lane941 m away | 74 m² | 122 m² | +48 m² +65% | 2024 |
|---|
| 50, Shirley Grove447 m away | 75 m² | 122 m² | +47 m² +63% | 2026 |
|---|
| 15, St Peters Road423 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road54 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 73, Chiswick Road906 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 157, Cuckoo Hall Lane451 m away | 71 m² | 117 m² | +46 m² +65% | 2023 |
|---|
| 23, Rosemary Avenue533 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 15, St Michaels Avenue290 m away | 60 m² | 104 m² | +44 m² +73% | 2026 |
|---|
| 208, Bounces Road575 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 18, Logan Road845 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 36, Colville Road637 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 57, Grosvenor Road393 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 14, Grosvenor Road475 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 75, Chiswick Road906 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 47, Bridlington Road587 m away | 77 m² | 121 m² | +44 m² +57% | 2015 |
|---|
| 42, Oxford Road732 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 85, Charlton Road548 m away | 80 m² | 120 m² | +40 m² +50% | 2026 |
|---|
| 40, Dover Road729 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 19, Westoe Road878 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
|---|
| 126, Town Road958 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
|---|
| 1, Brierley Avenue400 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 40, Exeter Road736 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
|---|
| 427, Montagu Road935 m away | 49 m² | 87 m² | +38 m² +78% | 2010 |
|---|
| 42, Dartford Avenue626 m away | 87 m² | 124 m² | +37 m² +43% | 2022 |
|---|
| 244, Hertford Road487 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
|---|
| 2a, Densworth Grove915 m away | 74 m² | 111 m² | +37 m² +50% | 2020 |
|---|
| 20, Coniston Gardens326 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
|---|
| 23, Chester Road453 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 48, Forest Road309 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
|---|
| 66, St Peters Road399 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 106, Exeter Road866 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 189, Bounces Road515 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 16, Oxford Road732 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 126, Sandhurst Road785 m away | 94 m² | 129 m² | +35 m² +37% | 2019 |
|---|
| 70, Picketts Lock Lane941 m away | 71 m² | 106 m² | +35 m² +49% | 2017 |
|---|
| 51, Southfield Road905 m away | 84 m² | 119 m² | +35 m² +42% | 2015 |
|---|
| 178, Bounces Road575 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
|---|
| 49, Gordon Road708 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 121, Charlton Road548 m away | 80 m² | 114 m² | +34 m² +43% | 2016 |
|---|
| 51, Chester Road453 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 53, Westminster Road528 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 12, Oxford Road732 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 7, Nash Road650 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 199, Galliard Road950 m away | 79 m² | 112 m² | +33 m² +42% | 2021 |
|---|
| 70, Lowden Road331 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 34, Elmcroft Avenue829 m away | 99 m² | 131 m² | +32 m² +32% | 2024 |
|---|
| 31, Westminster Road528 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 45, Cornwallis Road691 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 97, Grosvenor Road393 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road952 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 32, Wellstead Avenue460 m away | 73 m² | 104 m² | +31 m² +42% | 2025 |
|---|
| 4, Northfield Road981 m away | 111 m² | 142 m² | +31 m² +28% | 2025 |
|---|
| 35, Bury Street765 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road759 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
|---|
| 1, Kingsmead Avenue596 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
|---|
| 14, Chelsfield Green657 m away | 70 m² | 101 m² | +31 m² +44% | 2021 |
|---|
| 47, Oxford Road722 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
|---|
| 70, Croyland Road928 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
|---|
| 292, Nightingale Road433 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 214, Hertford Road584 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
|---|
| 15, North Road521 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 131, St Marys Road211 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 7, St Alphege Road329 m away | 89 m² | 119 m² | +30 m² +34% | 2021 |
|---|
| 185c, Town Road988 m away | 52 m² | 82 m² | +30 m² +58% | 2019 |
|---|
| 40, Denny Road571 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
|---|
| 17, Bunting Close562 m away | 35 m² | 64 m² | +29 m² +83% | 2026 |
|---|
| 13, Ranworth Road851 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
|---|
| 282, Nightingale Road433 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
|---|
| 19, Elstree Gardens577 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 28, Turin Road156 m away | 114 m² | 143 m² | +29 m² +25% | 2023 |
|---|
| 62, Tramway Avenue278 m away | 63 m² | 92 m² | +29 m² +46% | 2019 |
|---|
| 8, Grosvenor Road475 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
|---|
| 7, Shirley Grove440 m away | 59 m² | 88 m² | +29 m² +49% | 2018 |
|---|
| 24, Findon Road655 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
|---|
| 21, Chelsfield Avenue671 m away | 88 m² | 117 m² | +29 m² +33% | 2015 |
|---|
| 106, Croyland Road928 m away | 73 m² | 101 m² | +28 m² +38% | 2026 |
|---|
| 133, St Marys Road211 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
|---|
| 35, Doncaster Road423 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
|---|
| 38, Dover Road729 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
|---|
| 13, Oxford Road722 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
|---|
| 23, Grosvenor Road393 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
|---|
| 24, Southfield Road932 m away | 57 m² | 85 m² | +28 m² +49% | 2011 |
|---|
| 1, Oxford Road722 m away | 42 m² | 69 m² | +27 m² +64% | 2026 |
|---|
| 35, Marsden Road885 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
|---|
| 26, Gordon Road704 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
|---|
| 90, Forest Road309 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
|---|
| 101, Exeter Road866 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
|---|
| 194, Galliard Road716 m away | 98 m² | 125 m² | +27 m² +28% | 2020 |
|---|
| 100, Forest Road309 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
|---|
| 57, Lowden Road352 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 393, Hertford Road431 m away | 95 m² | 121 m² | +26 m² +27% | 2025 |
|---|
| 145, Bury Street952 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
|---|
| 266a, St Marys Road326 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
|---|
| 94, Sandhurst Road728 m away | 88 m² | 114 m² | +26 m² +30% | 2024 |
|---|
| 64, Cambourne Avenue400 m away | 64 m² | 90 m² | +26 m² +41% | 2023 |
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| 7, Dover Road729 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
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| 45, Penfold Road400 m away | 82 m² | 108 m² | +26 m² +32% | 2019 |
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| 11, Kingsmead Avenue596 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
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| 59, Lowden Road352 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 37, Harton Road863 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
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| 8, Bury Street710 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 57, Bath Road604 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 37, Cornwallis Road691 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| 99, Town Road933 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
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| 44, Chaffinch Close524 m away | 44 m² | 69 m² | +25 m² +57% | 2012 |
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| 13, Cornwallis Grove685 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
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| 94, Grosvenor Road335 m away | 71 m² | 95 m² | +24 m² +34% | 2026 |
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| 58, Cornwallis Grove662 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
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| 128, Oaklands Avenue818 m away | 56 m² | 80 m² | +24 m² +43% | 2021 |
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| 7, Elstree Gardens577 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 1, Martin Close543 m away | 20 m² | 44 m² | +24 m² +120% | 2012 |
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| 5, Cambourne Avenue396 m away | 67 m² | 90 m² | +23 m² +34% | 2022 |
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| 72, Westminster Road494 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
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| 86, Southfield Road932 m away | 85 m² | 108 m² | +23 m² +27% | 2022 |
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| 288, Hertford Road424 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
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| 53, Southfield Road905 m away | 103 m² | 126 m² | +23 m² +22% | 2019 |
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| 5, Scarborough Road436 m away | 72 m² | 95 m² | +23 m² +32% | 2014 |
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| 43, King Edwards Road469 m away | 91 m² | 113 m² | +22 m² +24% | 2024 |
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| 189, Sandhurst Road875 m away | 84 m² | 106 m² | +22 m² +26% | 2023 |
|---|
| 39, Devonshire Road404 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
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| 51, Beatrice Road511 m away | 113 m² | 135 m² | +22 m² +19% | 2019 |
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| 94, Oaklands Avenue818 m away | 70 m² | 92 m² | +22 m² +31% | 2019 |
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| 29, Colville Road660 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
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| 29, Dover Road729 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
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| 14, Shirley Grove447 m away | 66 m² | 88 m² | +22 m² +33% | 2011 |
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| 140, Nightingale Road264 m away | 71 m² | 93 m² | +22 m² +31% | 2010 |
|---|
| 2, Crescent Road832 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
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| 103, Charlton Road548 m away | 68 m² | 89 m² | +21 m² +31% | 2025 |
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| 37, Denny Road582 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
|---|
| 20, Cornwallis Grove662 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
|---|
| 13, Cornwallis Avenue744 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
|---|
| 102, Charlton Road531 m away | 103 m² | 124 m² | +21 m² +20% | 2022 |
|---|
| 300, Nightingale Road433 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
|---|
| 17, Croyland Road952 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
|---|
| 20, Oxford Close761 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
|---|
| 34, Croyland Road807 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
|---|
| 86, Chester Road463 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 296, Nightingale Road433 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
|---|
| 253, Hertford Road476 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
|---|
| 16, Forest Road309 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
|---|
| 34, Oaklands Avenue702 m away | 76 m² | 96 m² | +20 m² +26% | 2020 |
|---|
| 22, Coniston Gardens326 m away | 115 m² | 135 m² | +20 m² +17% | 2019 |
|---|
| 63, Lowden Road352 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
|---|
| 19, Nash Road650 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
|---|
| 99, Charlton Road548 m away | 67 m² | 87 m² | +20 m² +30% | 2011 |
|---|
| 34, Northfield Road981 m away | 75 m² | 95 m² | +20 m² +27% | 2010 |
|---|
| 2, Warren Close443 m away | 88 m² | 107 m² | +19 m² +22% | 2026 |
|---|
| 111, Nightingale Road301 m away | 76 m² | 95 m² | +19 m² +25% | 2025 |
|---|
| 23, Bath Road604 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
|---|
| 16, Bunting Close562 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
|---|
| 220, Bounces Road575 m away | 78 m² | 97 m² | +19 m² +24% | 2021 |
|---|
| 29, Seymour Road860 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
|---|
| 30, North Road511 m away | 81 m² | 100 m² | +19 m² +23% | 2020 |
|---|
| 72, Bounces Road608 m away | 64 m² | 83 m² | +19 m² +30% | 2020 |
|---|
| 43, Cornwallis Grove685 m away | 73 m² | 92 m² | +19 m² +26% | 2020 |
|---|
| 100, Croyland Road928 m away | 75 m² | 94 m² | +19 m² +25% | 2020 |
|---|
| 106, Church Road840 m away | 97 m² | 116 m² | +19 m² +20% | 2019 |
|---|
| 75, St Peters Road423 m away | 66 m² | 85 m² | +19 m² +29% | 2018 |
|---|
| 27, Westoe Road878 m away | 89 m² | 108 m² | +19 m² +21% | 2013 |
|---|
| 314, Nightingale Road433 m away | 74 m² | 92 m² | +18 m² +24% | 2026 |
|---|
| 165, Charlton Road630 m away | 92 m² | 110 m² | +18 m² +20% | 2025 |
|---|
| 87, Southfield Road905 m away | 89 m² | 107 m² | +18 m² +20% | 2023 |
|---|
| 2, Exeter Road622 m away | 82 m² | 100 m² | +18 m² +22% | 2021 |
|---|
| 13, Brierley Avenue400 m away | 59 m² | 77 m² | +18 m² +31% | 2019 |
|---|
| 80, Croyland Road928 m away | 99 m² | 117 m² | +18 m² +18% | 2019 |
|---|
| 40, Devonshire Road343 m away | 64 m² | 82 m² | +18 m² +28% | 2018 |
|---|
| 32, Cambourne Avenue400 m away | 64 m² | 82 m² | +18 m² +28% | 2016 |
|---|