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 0SJ
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 |
|---|---|---|---|---|
| 32, Brookfield Road548 m away | 86 m² | 184 m² | +98 m² +114% | 2022 |
| 23, Wellington Avenue163 m away | 99 m² | 190 m² | +91 m² +92% | 2022 |
| 189, St Marys Road899 m away | 87 m² | 176 m² | +89 m² +102% | 2026 |
| 4a, Latymer Road886 m away | 234 m² | 314 m² | +80 m² +34% | 2019 |
| 13, Brookfield Road606 m away | 60 m² | 138 m² | +78 m² +130% | 2017 |
| 19, Bury Street634 m away | 64 m² | 134 m² | +70 m² +109% | 2024 |
| 176, Montagu Road866 m away | 62 m² | 130 m² | +68 m² +110% | 2023 |
| 1, Lowden Road697 m away | 105 m² | 173 m² | +68 m² +65% | 2020 |
| 10, Lichfield Road733 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.
| 100 m² |
| 168 m² |
| +68 m² +68% |
| 2020 |
| 228, Bounces Road542 m away | 91 m² | 158 m² | +67 m² +74% | 2023 |
|---|
| 4, Brookfield Road548 m away | 96 m² | 163 m² | +67 m² +70% | 2016 |
|---|
| 24, Cornwallis Grove336 m away | 67 m² | 134 m² | +67 m² +100% | 2014 |
|---|
| 13, Gordon Road245 m away | 71 m² | 135 m² | +64 m² +90% | 2014 |
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| 24, Coniston Gardens732 m away | 63 m² | 125 m² | +62 m² +98% | 2026 |
|---|
| 195, St Marys Road899 m away | 91 m² | 153 m² | +62 m² +68% | 2025 |
|---|
| 14, Brook Crescent773 m away | 151 m² | 212 m² | +61 m² +40% | 2023 |
|---|
| 92, Chester Road503 m away | 72 m² | 132 m² | +60 m² +83% | 2023 |
|---|
| 37, Woodlands Road792 m away | 80 m² | 139 m² | +59 m² +74% | 2023 |
|---|
| 38, Exeter Road355 m away | 69 m² | 127 m² | +58 m² +84% | 2021 |
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| 33, Balham Road430 m away | 128 m² | 184 m² | +56 m² +44% | 2018 |
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| 49, Lowden Road697 m away | 79 m² | 134 m² | +55 m² +70% | 2014 |
|---|
| 1, Felixstowe Road735 m away | 78 m² | 132 m² | +54 m² +69% | 2023 |
|---|
| 165, Bounces Road567 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 6, Kenwood Road642 m away | 81 m² | 134 m² | +53 m² +65% | 2022 |
|---|
| 25, Seymour Road172 m away | 52 m² | 104 m² | +52 m² +100% | 2021 |
|---|
| 31, Bury Street634 m away | 85 m² | 137 m² | +52 m² +61% | 2019 |
|---|
| 184, Montagu Road866 m away | 78 m² | 130 m² | +52 m² +67% | 2018 |
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| 69, Westminster Road463 m away | 71 m² | 123 m² | +52 m² +73% | 2014 |
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| 80, Monmouth Road425 m away | 95 m² | 145 m² | +50 m² +53% | 2025 |
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| 175, Hertford Road648 m away | 92 m² | 142 m² | +50 m² +54% | 2024 |
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| 27, Northumberland Gardens874 m away | 95 m² | 145 m² | +50 m² +53% | 2024 |
|---|
| 179, Montagu Road809 m away | 69 m² | 119 m² | +50 m² +72% | 2021 |
|---|
| 143, Croyland Road911 m away | 74 m² | 124 m² | +50 m² +68% | 2020 |
|---|
| 53, Grosvenor Road644 m away | 74 m² | 123 m² | +49 m² +66% | 2025 |
|---|
| 21, Findon Road640 m away | 97 m² | 146 m² | +49 m² +51% | 2023 |
|---|
| 300, Hertford Road794 m away | 94 m² | 143 m² | +49 m² +52% | 2023 |
|---|
| 96, Winchester Road776 m away | 84 m² | 132 m² | +48 m² +57% | 2021 |
|---|
| 220, Montagu Road772 m away | 75 m² | 123 m² | +48 m² +64% | 2015 |
|---|
| 63, Chichester Road749 m away | 69 m² | 116 m² | +47 m² +68% | 2022 |
|---|
| 15, St Peters Road529 m away | 90 m² | 136 m² | +46 m² +51% | 2026 |
|---|
| 118, St Josephs Road907 m away | 85 m² | 131 m² | +46 m² +54% | 2025 |
|---|
| 73, Chiswick Road362 m away | 78 m² | 124 m² | +46 m² +59% | 2024 |
|---|
| 49, Ascot Road982 m away | 67 m² | 112 m² | +45 m² +67% | 2025 |
|---|
| 7, Pymmes Gardens North980 m away | 108 m² | 153 m² | +45 m² +42% | 2024 |
|---|
| 23, Rosemary Avenue550 m away | 79 m² | 124 m² | +45 m² +57% | 2020 |
|---|
| 208, Bounces Road542 m away | 77 m² | 121 m² | +44 m² +57% | 2026 |
|---|
| 18, Logan Road208 m away | 70 m² | 114 m² | +44 m² +63% | 2025 |
|---|
| 36, Colville Road813 m away | 72 m² | 116 m² | +44 m² +61% | 2023 |
|---|
| 57, Grosvenor Road644 m away | 77 m² | 121 m² | +44 m² +57% | 2022 |
|---|
| 75, Chiswick Road362 m away | 84 m² | 128 m² | +44 m² +52% | 2021 |
|---|
| 14, Grosvenor Road607 m away | 69 m² | 113 m² | +44 m² +64% | 2021 |
|---|
| 145, Jeremys Green673 m away | 70 m² | 113 m² | +43 m² +61% | 2026 |
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| 202, Winchester Road968 m away | 89 m² | 132 m² | +43 m² +48% | 2024 |
|---|
| 42, Oxford Road248 m away | 75 m² | 117 m² | +42 m² +56% | 2023 |
|---|
| 38, Granville Avenue424 m away | 70 m² | 112 m² | +42 m² +60% | 2013 |
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| 111, Winchester Road779 m away | 83 m² | 124 m² | +41 m² +49% | 2025 |
|---|
| Flat 12, Chiltern House, Beaconsfield Road694 m away | 42 m² | 83 m² | +41 m² +98% | 2023 |
|---|
| 35, Lion Road557 m away | 86 m² | 126 m² | +40 m² +47% | 2024 |
|---|
| 40, Dover Road467 m away | 87 m² | 126 m² | +39 m² +45% | 2024 |
|---|
| 37, Jeremys Green798 m away | 36 m² | 75 m² | +39 m² +108% | 2024 |
|---|
| 19, Westoe Road78 m away | 70 m² | 109 m² | +39 m² +56% | 2021 |
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| 126, Town Road107 m away | 75 m² | 114 m² | +39 m² +52% | 2020 |
|---|
| 1, Brierley Avenue846 m away | 92 m² | 130 m² | +38 m² +41% | 2025 |
|---|
| 40, Exeter Road355 m away | 81 m² | 119 m² | +38 m² +47% | 2023 |
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| 26, Baxter Road915 m away | 72 m² | 110 m² | +38 m² +53% | 2020 |
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| 427, Montagu Road502 m away | 49 m² | 87 m² | +38 m² +78% | 2010 |
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| 60, Lion Road528 m away | 75 m² | 112 m² | +37 m² +49% | 2023 |
|---|
| 22, Wellington Avenue189 m away | 85 m² | 122 m² | +37 m² +44% | 2022 |
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| 244, Hertford Road696 m away | 59 m² | 96 m² | +37 m² +63% | 2021 |
|---|
| 2a, Densworth Grove418 m away | 74 m² | 111 m² | +37 m² +50% | 2020 |
|---|
| 20, Coniston Gardens732 m away | 68 m² | 105 m² | +37 m² +54% | 2017 |
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| 23, Chester Road506 m away | 82 m² | 118 m² | +36 m² +44% | 2022 |
|---|
| 48, Forest Road800 m away | 76 m² | 112 m² | +36 m² +47% | 2014 |
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| 24, Wyldfield Gardens953 m away | 87 m² | 123 m² | +36 m² +41% | 2014 |
|---|
| 66, St Peters Road552 m away | 42 m² | 77 m² | +35 m² +83% | 2026 |
|---|
| 27, Chiswick Road328 m away | 94 m² | 129 m² | +35 m² +37% | 2025 |
|---|
| 106, Exeter Road344 m away | 79 m² | 114 m² | +35 m² +44% | 2025 |
|---|
| 215, Montagu Road809 m away | 85 m² | 120 m² | +35 m² +41% | 2024 |
|---|
| 189, Bounces Road567 m away | 88 m² | 123 m² | +35 m² +40% | 2023 |
|---|
| 16, Oxford Road248 m away | 80 m² | 115 m² | +35 m² +44% | 2019 |
|---|
| 178, Bounces Road542 m away | 109 m² | 144 m² | +35 m² +32% | 2010 |
|---|
| 49, Gordon Road245 m away | 82 m² | 116 m² | +34 m² +41% | 2022 |
|---|
| 128, Montagu Road998 m away | 94 m² | 128 m² | +34 m² +36% | 2022 |
|---|
| 51, Chester Road506 m away | 74 m² | 108 m² | +34 m² +46% | 2015 |
|---|
| 12, Oxford Road248 m away | 88 m² | 121 m² | +33 m² +38% | 2025 |
|---|
| 53, Westminster Road463 m away | 106 m² | 139 m² | +33 m² +31% | 2025 |
|---|
| 7, Nash Road498 m away | 83 m² | 116 m² | +33 m² +40% | 2022 |
|---|
| 17, Chalfont Road962 m away | 87 m² | 120 m² | +33 m² +38% | 2017 |
|---|
| 258, Croyland Road931 m away | 78 m² | 110 m² | +32 m² +41% | 2026 |
|---|
| 70, Lowden Road723 m away | 69 m² | 101 m² | +32 m² +46% | 2024 |
|---|
| 31, Westminster Road463 m away | 90 m² | 122 m² | +32 m² +36% | 2023 |
|---|
| 45, Cornwallis Road266 m away | 94 m² | 126 m² | +32 m² +34% | 2022 |
|---|
| 97, Grosvenor Road644 m away | 43 m² | 75 m² | +32 m² +74% | 2019 |
|---|
| 25, Croyland Road542 m away | 82 m² | 114 m² | +32 m² +39% | 2011 |
|---|
| 35, Bury Street634 m away | 76 m² | 107 m² | +31 m² +41% | 2024 |
|---|
| 28, South Road713 m away | 71 m² | 102 m² | +31 m² +44% | 2023 |
|---|
| 1, Kingsmead Avenue452 m away | 129 m² | 160 m² | +31 m² +24% | 2022 |
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| 47, Oxford Road245 m away | 40 m² | 71 m² | +31 m² +78% | 2021 |
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| 70, Croyland Road490 m away | 64 m² | 95 m² | +31 m² +48% | 2017 |
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| 214, Hertford Road577 m away | 59 m² | 90 m² | +31 m² +53% | 2016 |
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| 292, Nightingale Road874 m away | 65 m² | 96 m² | +31 m² +48% | 2016 |
|---|
| 3a, Keats Parade, Church Street520 m away | 46 m² | 77 m² | +31 m² +67% | 2013 |
|---|
| 48, Winchester Road707 m away | 96 m² | 127 m² | +31 m² +32% | 2012 |
|---|
| 15, North Road838 m away | 74 m² | 104 m² | +30 m² +41% | 2025 |
|---|
| 131, St Marys Road899 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
|---|
| 185c, Town Road442 m away | 52 m² | 82 m² | +30 m² +58% | 2019 |
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| 40, Denny Road767 m away | 76 m² | 106 m² | +30 m² +39% | 2014 |
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| 13, Ranworth Road286 m away | 105 m² | 134 m² | +29 m² +28% | 2026 |
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| 103, Winchester Road779 m away | 100 m² | 129 m² | +29 m² +29% | 2025 |
|---|
| 19, Elstree Gardens446 m away | 85 m² | 114 m² | +29 m² +34% | 2024 |
|---|
| 174, Croyland Road712 m away | 95 m² | 124 m² | +29 m² +31% | 2024 |
|---|
| 282, Nightingale Road874 m away | 86 m² | 115 m² | +29 m² +34% | 2024 |
|---|
| 11, Sawyer Close487 m away | 42 m² | 71 m² | +29 m² +69% | 2023 |
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| 8, Grosvenor Road607 m away | 76 m² | 105 m² | +29 m² +38% | 2019 |
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| 24, Findon Road640 m away | 92 m² | 121 m² | +29 m² +32% | 2017 |
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| 133, St Marys Road899 m away | 71 m² | 99 m² | +28 m² +39% | 2025 |
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| 35, Doncaster Road967 m away | 87 m² | 115 m² | +28 m² +32% | 2025 |
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| 38, Dover Road467 m away | 96 m² | 124 m² | +28 m² +29% | 2021 |
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| 5b, Balham Road430 m away | 56 m² | 84 m² | +28 m² +50% | 2020 |
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| 13, Oxford Road245 m away | 68 m² | 96 m² | +28 m² +41% | 2014 |
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| 42, Balham Road485 m away | 91 m² | 119 m² | +28 m² +31% | 2014 |
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| 10, Sawyer Close487 m away | 44 m² | 72 m² | +28 m² +64% | 2014 |
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| 23, Grosvenor Road644 m away | 118 m² | 146 m² | +28 m² +24% | 2013 |
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| 35, Marsden Road88 m away | 81 m² | 108 m² | +27 m² +33% | 2026 |
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| 26, Gordon Road247 m away | 78 m² | 105 m² | +27 m² +35% | 2025 |
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| 90, Forest Road800 m away | 78 m² | 105 m² | +27 m² +35% | 2023 |
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| 101, Exeter Road344 m away | 83 m² | 110 m² | +27 m² +33% | 2022 |
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| 57, Lowden Road697 m away | 44 m² | 71 m² | +27 m² +61% | 2014 |
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| 100, Forest Road800 m away | 73 m² | 100 m² | +27 m² +37% | 2014 |
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| 145, Bury Street848 m away | 41 m² | 67 m² | +26 m² +63% | 2025 |
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| 266a, St Marys Road933 m away | 63 m² | 89 m² | +26 m² +41% | 2024 |
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| 7, Dover Road467 m away | 93 m² | 119 m² | +26 m² +28% | 2022 |
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| 38, Montagu Gardens950 m away | 86 m² | 112 m² | +26 m² +30% | 2021 |
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| 238, Croyland Road931 m away | 103 m² | 129 m² | +26 m² +25% | 2020 |
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| 11, Kingsmead Avenue452 m away | 77 m² | 103 m² | +26 m² +34% | 2016 |
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| 59, Lowden Road697 m away | 45 m² | 71 m² | +26 m² +58% | 2014 |
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| 37, Harton Road122 m away | 82 m² | 108 m² | +26 m² +32% | 2013 |
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| 8, Bury Street562 m away | 81 m² | 107 m² | +26 m² +32% | 2012 |
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| 57, Bath Road376 m away | 79 m² | 104 m² | +25 m² +32% | 2025 |
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| 12, Shrubbery Road771 m away | 84 m² | 109 m² | +25 m² +30% | 2024 |
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| 36, Montagu Gardens950 m away | 74 m² | 99 m² | +25 m² +34% | 2024 |
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| 37, Cornwallis Road266 m away | 70 m² | 95 m² | +25 m² +36% | 2022 |
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| Flat 2, 10, Gareth Drive651 m away | 42 m² | 67 m² | +25 m² +60% | 2022 |
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| 99, Town Road95 m away | 75 m² | 100 m² | +25 m² +33% | 2020 |
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| 13, Cornwallis Grove320 m away | 35 m² | 60 m² | +25 m² +71% | 2008 |
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| 156, Montagu Road866 m away | 27 m² | 52 m² | +25 m² +93% | 2008 |
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| 58, Cornwallis Grove336 m away | 87 m² | 111 m² | +24 m² +28% | 2025 |
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| 16, Lion Road528 m away | 75 m² | 99 m² | +24 m² +32% | 2025 |
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| 22, Nelson Road128 m away | 56 m² | 80 m² | +24 m² +43% | 2024 |
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| 39, Felixstowe Road735 m away | 100 m² | 124 m² | +24 m² +24% | 2020 |
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| 41, Brettenham Road892 m away | 74 m² | 98 m² | +24 m² +32% | 2015 |
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| 7, Elstree Gardens446 m away | 85 m² | 109 m² | +24 m² +28% | 2014 |
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| 32, Wellington Avenue189 m away | 85 m² | 109 m² | +24 m² +28% | 2012 |
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| 1, Martin Close931 m away | 20 m² | 44 m² | +24 m² +120% | 2012 |
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| 3, Montagu Gardens921 m away | 114 m² | 137 m² | +23 m² +20% | 2024 |
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| 72, Westminster Road490 m away | 87 m² | 110 m² | +23 m² +26% | 2022 |
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| 8, Leonard Road886 m away | 80 m² | 103 m² | +23 m² +29% | 2022 |
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| 16, Stowe Gardens929 m away | 69 m² | 92 m² | +23 m² +33% | 2022 |
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| 288, Hertford Road794 m away | 72 m² | 95 m² | +23 m² +32% | 2020 |
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| 2a, Keats Parade520 m away | 19 m² | 42 m² | +23 m² +121% | 2012 |
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| 40, Church Street571 m away | 137 m² | 159 m² | +22 m² +16% | 2026 |
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| 54, Oxford Road248 m away | 43 m² | 65 m² | +22 m² +51% | 2025 |
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| 2, Salmons Road806 m away | 122 m² | 144 m² | +22 m² +18% | 2023 |
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| 29, Brook Crescent773 m away | 83 m² | 105 m² | +22 m² +27% | 2022 |
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| 39, Devonshire Road774 m away | 80 m² | 102 m² | +22 m² +28% | 2022 |
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| 29, Colville Road828 m away | 98 m² | 120 m² | +22 m² +22% | 2016 |
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| 29, Dover Road467 m away | 88 m² | 110 m² | +22 m² +25% | 2014 |
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| 28, Nelson Road128 m away | 81 m² | 102 m² | +21 m² +26% | 2026 |
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| 2, Crescent Road796 m away | 88 m² | 109 m² | +21 m² +24% | 2026 |
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| 37, Denny Road740 m away | 89 m² | 110 m² | +21 m² +24% | 2025 |
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| 13, Cornwallis Avenue276 m away | 72 m² | 93 m² | +21 m² +29% | 2024 |
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| 20, Cornwallis Grove336 m away | 73 m² | 94 m² | +21 m² +29% | 2024 |
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| 18, Wyldfield Gardens953 m away | 94 m² | 115 m² | +21 m² +22% | 2023 |
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| 117, Croyland Road911 m away | 68 m² | 89 m² | +21 m² +31% | 2022 |
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| 17, Croyland Road542 m away | 82 m² | 103 m² | +21 m² +26% | 2021 |
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| 300, Nightingale Road874 m away | 78 m² | 99 m² | +21 m² +27% | 2021 |
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| 20, Oxford Close250 m away | 79 m² | 100 m² | +21 m² +27% | 2020 |
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| 34, Croyland Road405 m away | 28 m² | 49 m² | +21 m² +75% | 2010 |
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| 86, Chester Road503 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 65, Brettenham Road892 m away | 78 m² | 98 m² | +20 m² +26% | 2026 |
|---|
| 73, Jeremys Green798 m away | 64 m² | 84 m² | +20 m² +31% | 2025 |
|---|
| 296, Nightingale Road874 m away | 78 m² | 98 m² | +20 m² +26% | 2025 |
|---|
| 253, Hertford Road766 m away | 93 m² | 113 m² | +20 m² +22% | 2024 |
|---|
| 5, Pycroft Way994 m away | 60 m² | 80 m² | +20 m² +33% | 2023 |
|---|
| 16, Forest Road800 m away | 71 m² | 91 m² | +20 m² +28% | 2021 |
|---|
| Flat 1, 12, Eastbournia Avenue310 m away | 39 m² | 59 m² | +20 m² +51% | 2019 |
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| 22, Coniston Gardens732 m away | 115 m² | 135 m² | +20 m² +17% | 2019 |
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| 22, Barrowfield Close462 m away | 70 m² | 90 m² | +20 m² +29% | 2018 |
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| 2, Wellington Avenue189 m away | 73 m² | 93 m² | +20 m² +27% | 2015 |
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| 19, Nash Road498 m away | 77 m² | 97 m² | +20 m² +26% | 2014 |
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| 63, Lowden Road697 m away | 55 m² | 75 m² | +20 m² +36% | 2014 |
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| 69, Church Street838 m away | 42 m² | 62 m² | +20 m² +48% | 2013 |
|---|
| 23, Bath Road376 m away | 65 m² | 84 m² | +19 m² +29% | 2024 |
|---|
| 209a, Montagu Road809 m away | 42 m² | 61 m² | +19 m² +45% | 2023 |
|---|
| 20, Sunnyside Road North836 m away | 72 m² | 91 m² | +19 m² +26% | 2023 |
|---|
| 29, Seymour Road172 m away | 73 m² | 92 m² | +19 m² +26% | 2021 |
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| 220, Bounces Road542 m away | 78 m² | 97 m² | +19 m² +24% | 2021 |
|---|
| 16, Bunting Close985 m away | 42 m² | 61 m² | +19 m² +45% | 2021 |
|---|
| 43, Cornwallis Grove320 m away | 73 m² | 92 m² | +19 m² +26% | 2020 |
|---|
| 72, Bounces Road343 m away | 64 m² | 83 m² | +19 m² +30% | 2020 |
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