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 RM11 1EX
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 |
|---|---|---|---|---|
| 84, Harrow Drive526 m away | 189 m² | 414 m² | +225 m² +119% | 2012 |
| 95, Harrow Drive473 m away | 140 m² | 340 m² | +200 m² +143% | 2024 |
| 73, Harrow Drive473 m away | 269 m² | 390 m² | +121 m² +45% | 2016 |
| 25, Warrington Gardens768 m away | 87 m² | 194 m² | +107 m² +123% | 2024 |
| 16, Park Lane741 m away | 92 m² | 194 m² | +102 m² +111% | 2025 |
| 22, Catherine Road469 m away | 78 m² | 172 m² | +94 m² +121% | 2024 |
| 28, Boscombe Avenue928 m away | 93 m² | 186 m² | +93 m² +100% | 2026 |
| 19, Fairholme Avenue835 m away | 142 m² | 235 m² | +93 m² +65% | 2021 |
| 4, Windsor Road795 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.
| 75 m² |
| 167 m² |
| +92 m² +123% |
| 2022 |
| 176, Carlton Road829 m away | 72 m² | 164 m² | +92 m² +128% | 2021 |
|---|
| 421, Brentwood Road896 m away | 147 m² | 236 m² | +89 m² +61% | 2023 |
|---|
| 55, Kinfauns Avenue515 m away | 72 m² | 159 m² | +87 m² +121% | 2014 |
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| 42, Elmhurst Drive910 m away | 83 m² | 168 m² | +85 m² +102% | 2021 |
|---|
| 38, Hyland Way667 m away | 110 m² | 190 m² | +80 m² +73% | 2019 |
|---|
| 103, Heath Park Road558 m away | 219 m² | 298 m² | +79 m² +36% | 2023 |
|---|
| 18, Balmoral Road674 m away | 117 m² | 195 m² | +78 m² +67% | 2025 |
|---|
| 1, Elmhurst Drive874 m away | 94 m² | 171 m² | +77 m² +82% | 2020 |
|---|
| 4, Hyland Close709 m away | 86 m² | 161 m² | +75 m² +87% | 2017 |
|---|
| 41, Heath Park Road601 m away | 118 m² | 189 m² | +71 m² +60% | 2020 |
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| 24, Hazel Rise552 m away | 96 m² | 165 m² | +69 m² +72% | 2020 |
|---|
| 96, Harrow Drive526 m away | 138 m² | 206 m² | +68 m² +49% | 2024 |
|---|
| 97, Norman Road505 m away | 65 m² | 131 m² | +66 m² +102% | 2026 |
|---|
| 100, Cranham Road424 m away | 65 m² | 130 m² | +65 m² +100% | 2016 |
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| 58, Carlton Road913 m away | 86 m² | 150 m² | +64 m² +74% | 2025 |
|---|
| 49, Malvern Road592 m away | 76 m² | 139 m² | +63 m² +83% | 2019 |
|---|
| 12, Harrow Drive850 m away | 108 m² | 171 m² | +63 m² +58% | 2015 |
|---|
| 2, Warrington Gardens840 m away | 73 m² | 135 m² | +62 m² +85% | 2026 |
|---|
| 235, Brentwood Road275 m away | 98 m² | 160 m² | +62 m² +63% | 2024 |
|---|
| 84, Craigdale Road903 m away | 69 m² | 131 m² | +62 m² +90% | 2020 |
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| 88, Hyland Way322 m away | 87 m² | 148 m² | +61 m² +70% | 2023 |
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| 40, Percival Road614 m away | 45 m² | 106 m² | +61 m² +136% | 2023 |
|---|
| 121, Bush Elms Road444 m away | 87 m² | 147 m² | +60 m² +69% | 2019 |
|---|
| 12, Slewins Lane645 m away | 77 m² | 137 m² | +60 m² +78% | 2014 |
|---|
| 28, Wykeham Avenue996 m away | 102 m² | 161 m² | +59 m² +58% | 2023 |
|---|
| 8, Windsor Road795 m away | 73 m² | 130 m² | +57 m² +78% | 2023 |
|---|
| 56, Harrow Drive526 m away | 275 m² | 332 m² | +57 m² +21% | 2018 |
|---|
| 59, Elmhurst Drive615 m away | 98 m² | 155 m² | +57 m² +58% | 2015 |
|---|
| 102, Osborne Road428 m away | 84 m² | 140 m² | +56 m² +67% | 2021 |
|---|
| 1, Mellowes Road551 m away | 88 m² | 144 m² | +56 m² +64% | 2020 |
|---|
| 34, Great Gardens Road284 m away | 66 m² | 121 m² | +55 m² +83% | 2017 |
|---|
| 114, Hillview Avenue608 m away | 53 m² | 107 m² | +54 m² +102% | 2026 |
|---|
| 8, Rockingham Avenue331 m away | 139 m² | 193 m² | +54 m² +39% | 2020 |
|---|
| 54, Brooklands Gardens674 m away | 72 m² | 125 m² | +53 m² +74% | 2025 |
|---|
| 100, Hillview Avenue812 m away | 135 m² | 188 m² | +53 m² +39% | 2022 |
|---|
| 5, Lytton Road337 m away | 85 m² | 138 m² | +53 m² +62% | 2019 |
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| 117, Norman Road505 m away | 53 m² | 105 m² | +52 m² +98% | 2021 |
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| 48, Claremont Road627 m away | 69 m² | 120 m² | +51 m² +74% | 2025 |
|---|
| 1, Boscombe Avenue928 m away | 78 m² | 129 m² | +51 m² +65% | 2023 |
|---|
| 270, Carlton Road943 m away | 80 m² | 131 m² | +51 m² +64% | 2021 |
|---|
| 28, Osborne Road45 m away | 105 m² | 156 m² | +51 m² +49% | 2019 |
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| 17, Eugene Close948 m away | 82 m² | 132 m² | +50 m² +61% | 2025 |
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| 111a, Hillview Avenue812 m away | 126 m² | 175 m² | +49 m² +39% | 2026 |
|---|
| 73, Slewins Lane642 m away | 153 m² | 202 m² | +49 m² +32% | 2025 |
|---|
| 49, Heath Park Road601 m away | 174 m² | 223 m² | +49 m² +28% | 2024 |
|---|
| 52, Harrow Drive526 m away | 220 m² | 268 m² | +48 m² +22% | 2025 |
|---|
| 1, Catherine Road469 m away | 72 m² | 120 m² | +48 m² +67% | 2024 |
|---|
| 23, Harrow Drive796 m away | 139 m² | 187 m² | +48 m² +35% | 2012 |
|---|
| 18, Bush Elms Road686 m away | 78 m² | 125 m² | +47 m² +60% | 2026 |
|---|
| 25, Manor Road636 m away | 157 m² | 204 m² | +47 m² +30% | 2021 |
|---|
| Flat 8, Waterwell Court, 3a, Manor Avenue754 m away | 52 m² | 98 m² | +46 m² +88% | 2026 |
|---|
| 67, Heath Park Road601 m away | 117 m² | 163 m² | +46 m² +39% | 2012 |
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| 1, Kings Road679 m away | 73 m² | 118 m² | +45 m² +62% | 2025 |
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| 21, Lytton Road337 m away | 133 m² | 178 m² | +45 m² +34% | 2024 |
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| 46, Percival Road614 m away | 46 m² | 91 m² | +45 m² +98% | 2019 |
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| 24, Craigdale Road903 m away | 108 m² | 152 m² | +44 m² +41% | 2024 |
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| 7, Slewins Lane645 m away | 158 m² | 202 m² | +44 m² +28% | 2020 |
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| 119, Northumberland Avenue991 m away | 60 m² | 104 m² | +44 m² +73% | 2019 |
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| 3, Harrow Close980 m away | 86 m² | 129 m² | +43 m² +50% | 2026 |
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| 88, Cranham Road424 m away | 90 m² | 133 m² | +43 m² +48% | 2024 |
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| 48, Southdown Road717 m away | 98 m² | 141 m² | +43 m² +44% | 2024 |
|---|
| 53, Hazelmere Gardens535 m away | 127 m² | 169 m² | +42 m² +33% | 2022 |
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| 97, Craigdale Road893 m away | 63 m² | 104 m² | +41 m² +65% | 2023 |
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| 8, Maybrick Road368 m away | 115 m² | 156 m² | +41 m² +36% | 2022 |
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| 6, Thorncroft74 m away | 65 m² | 105 m² | +40 m² +62% | 2026 |
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| 26, Purbeck Road742 m away | 93 m² | 133 m² | +40 m² +43% | 2025 |
|---|
| 19, Heath Park Road652 m away | 144 m² | 184 m² | +40 m² +28% | 2024 |
|---|
| 4, Harrow Close980 m away | 101 m² | 141 m² | +40 m² +40% | 2023 |
|---|
| 141, Stanley Avenue910 m away | 92 m² | 132 m² | +40 m² +43% | 2016 |
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| 7, Cranham Road239 m away | 85 m² | 125 m² | +40 m² +47% | 2014 |
|---|
| 1, Margaret Close413 m away | 95 m² | 135 m² | +40 m² +42% | 2014 |
|---|
| 166, Lyndhurst Drive860 m away | 95 m² | 134 m² | +39 m² +41% | 2026 |
|---|
| 7, Claremont Road622 m away | 41 m² | 80 m² | +39 m² +95% | 2022 |
|---|
| 65a, Southdown Road727 m away | 95 m² | 134 m² | +39 m² +41% | 2016 |
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| 7, Thorncroft74 m away | 65 m² | 103 m² | +38 m² +58% | 2026 |
|---|
| 27, Slewins Lane645 m away | 88 m² | 126 m² | +38 m² +43% | 2024 |
|---|
| 23, Rossall Close348 m away | 115 m² | 153 m² | +38 m² +33% | 2022 |
|---|
| 62, Great Gardens Road468 m away | 72 m² | 110 m² | +38 m² +53% | 2021 |
|---|
| 13, Warrington Gardens840 m away | 76 m² | 114 m² | +38 m² +50% | 2014 |
|---|
| 18, Thorncroft74 m away | 98 m² | 135 m² | +37 m² +38% | 2024 |
|---|
| 9, Brooklands Gardens703 m away | 100 m² | 137 m² | +37 m² +37% | 2016 |
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| 32, Boscombe Avenue928 m away | 113 m² | 149 m² | +36 m² +32% | 2025 |
|---|
| 67, Cranham Road239 m away | 82 m² | 118 m² | +36 m² +44% | 2024 |
|---|
| 105, Hyland Way460 m away | 92 m² | 128 m² | +36 m² +39% | 2024 |
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| 111, George Street895 m away | 80 m² | 116 m² | +36 m² +45% | 2024 |
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| 4, Clifton Road600 m away | 79 m² | 115 m² | +36 m² +46% | 2023 |
|---|
| 222, Balgores Lane835 m away | 124 m² | 160 m² | +36 m² +29% | 2022 |
|---|
| 5, Heath Park Road652 m away | 101 m² | 137 m² | +36 m² +36% | 2021 |
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| 34, Harrow Drive850 m away | 232 m² | 268 m² | +36 m² +16% | 2020 |
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| 26, Mellowes Road551 m away | 88 m² | 124 m² | +36 m² +41% | 2019 |
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| 28, Whitethorn Gardens746 m away | 84 m² | 119 m² | +35 m² +42% | 2026 |
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| 7, Allandale Road890 m away | 67 m² | 102 m² | +35 m² +52% | 2026 |
|---|
| 32, Hazel Rise552 m away | 68 m² | 103 m² | +35 m² +51% | 2021 |
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| 110, Hornchurch Road998 m away | 81 m² | 116 m² | +35 m² +43% | 2020 |
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| 29, Thorncroft74 m away | 132 m² | 167 m² | +35 m² +27% | 2016 |
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| 7, Northdown Road714 m away | 105 m² | 139 m² | +34 m² +32% | 2025 |
|---|
| 60, Cranham Road180 m away | 66 m² | 100 m² | +34 m² +52% | 2020 |
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| 11, Lewis Road730 m away | 85 m² | 118 m² | +33 m² +39% | 2026 |
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| 20, Pinecroft858 m away | 102 m² | 135 m² | +33 m² +32% | 2025 |
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| 210, Brentwood Road311 m away | 82 m² | 115 m² | +33 m² +40% | 2024 |
|---|
| 127, Osborne Road428 m away | 82 m² | 115 m² | +33 m² +40% | 2017 |
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| 46, Salisbury Road444 m away | 68 m² | 101 m² | +33 m² +49% | 2016 |
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| 22, Balmoral Road674 m away | 126 m² | 159 m² | +33 m² +26% | 2015 |
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| 54, Norman Road577 m away | 73 m² | 106 m² | +33 m² +45% | 2014 |
|---|
| 25a, Percival Road614 m away | 81 m² | 113 m² | +32 m² +40% | 2025 |
|---|
| 23, Mendip Road838 m away | 76 m² | 108 m² | +32 m² +42% | 2018 |
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| 24, Park Crescent645 m away | 102 m² | 133 m² | +31 m² +30% | 2025 |
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| 12, Eugene Close948 m away | 78 m² | 109 m² | +31 m² +40% | 2025 |
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| 104, Osborne Road428 m away | 101 m² | 132 m² | +31 m² +31% | 2024 |
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| 32a, Northumberland Avenue845 m away | 113 m² | 144 m² | +31 m² +27% | 2023 |
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| 5, Hyland Close709 m away | 78 m² | 108 m² | +30 m² +38% | 2024 |
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| 7, Percival Road614 m away | 67 m² | 97 m² | +30 m² +45% | 2023 |
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| 61, Clifton Road615 m away | 47 m² | 77 m² | +30 m² +64% | 2021 |
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| 26, Wykeham Avenue996 m away | 111 m² | 141 m² | +30 m² +27% | 2019 |
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| 8, Manor Crescent911 m away | 136 m² | 166 m² | +30 m² +22% | 2017 |
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| 74, Glenwood Drive995 m away | 89 m² | 118 m² | +29 m² +33% | 2026 |
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| 25a, Globe Road485 m away | 70 m² | 99 m² | +29 m² +41% | 2025 |
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| 120, Hillview Avenue608 m away | 77 m² | 106 m² | +29 m² +38% | 2025 |
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| 48, Harrow Drive526 m away | 109 m² | 138 m² | +29 m² +27% | 2024 |
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| 9, Margaret Road469 m away | 105 m² | 134 m² | +29 m² +28% | 2021 |
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| 60, Rockingham Avenue331 m away | 127 m² | 156 m² | +29 m² +23% | 2020 |
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| 22, Boscombe Avenue928 m away | 92 m² | 121 m² | +29 m² +32% | 2020 |
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| 83, Bush Elms Road444 m away | 96 m² | 125 m² | +29 m² +30% | 2018 |
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| 5, Fanshawe Crescent824 m away | 146 m² | 175 m² | +29 m² +20% | 2017 |
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| 56, Great Gardens Road468 m away | 98 m² | 127 m² | +29 m² +30% | 2014 |
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| 17, George Street970 m away | 58 m² | 87 m² | +29 m² +50% | 2011 |
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| 73, Bush Elms Road444 m away | 86 m² | 114 m² | +28 m² +33% | 2026 |
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| 49, Hazelmere Gardens535 m away | 83 m² | 111 m² | +28 m² +34% | 2021 |
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| 218, Victoria Road792 m away | 54 m² | 82 m² | +28 m² +52% | 2015 |
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| 56, Norman Road577 m away | 181 m² | 209 m² | +28 m² +15% | 2013 |
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| 2, Cheviot Road809 m away | 99 m² | 126 m² | +27 m² +27% | 2025 |
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| 25, Hillcrest Road621 m away | 99 m² | 126 m² | +27 m² +27% | 2020 |
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| 6, Slewins Lane645 m away | 51 m² | 78 m² | +27 m² +53% | 2017 |
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| 8, Whitethorn Gardens746 m away | 87 m² | 114 m² | +27 m² +31% | 2017 |
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| 44, Cranham Road180 m away | 98 m² | 125 m² | +27 m² +28% | 2012 |
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| 371, Brentwood Road525 m away | 87 m² | 114 m² | +27 m² +31% | 2010 |
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| Carlisle House, 198, Victoria Road881 m away | 38 m² | 64 m² | +26 m² +68% | 2026 |
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| 97, Carlton Road858 m away | 83 m² | 109 m² | +26 m² +31% | 2025 |
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| 36, Heath Park Road585 m away | 81 m² | 107 m² | +26 m² +32% | 2023 |
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| 109a, Hillview Avenue812 m away | 88 m² | 114 m² | +26 m² +30% | 2022 |
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| 126, George Street895 m away | 105 m² | 131 m² | +26 m² +25% | 2022 |
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| 41, Cavenham Gardens547 m away | 77 m² | 103 m² | +26 m² +34% | 2021 |
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| 1, Elms Close489 m away | 116 m² | 141 m² | +25 m² +22% | 2023 |
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| 16, Eugene Close948 m away | 92 m² | 117 m² | +25 m² +27% | 2023 |
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| 50, Princes Road521 m away | 156 m² | 181 m² | +25 m² +16% | 2020 |
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| 240, Carlton Road877 m away | 97 m² | 122 m² | +25 m² +26% | 2017 |
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| 23, Lawrence Road277 m away | 158 m² | 183 m² | +25 m² +16% | 2015 |
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| 93, Norman Road505 m away | 63 m² | 87 m² | +24 m² +38% | 2026 |
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| 57a, Brentwood Road937 m away | 42 m² | 66 m² | +24 m² +57% | 2026 |
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| 34, George Street979 m away | 68 m² | 92 m² | +24 m² +35% | 2025 |
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| 4, Claremont Road627 m away | 87 m² | 111 m² | +24 m² +28% | 2024 |
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| 181, Osborne Road713 m away | 90 m² | 114 m² | +24 m² +27% | 2024 |
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| 4, Manor Crescent911 m away | 152 m² | 176 m² | +24 m² +16% | 2022 |
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| 4a, Carlton Road974 m away | 40 m² | 64 m² | +24 m² +60% | 2021 |
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| 101, Heath Park Road558 m away | 118 m² | 141 m² | +23 m² +19% | 2023 |
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| 61, Clydesdale Road963 m away | 92 m² | 115 m² | +23 m² +25% | 2023 |
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| 9, Allandale Road890 m away | 68 m² | 91 m² | +23 m² +34% | 2022 |
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| 27a, Osborne Road0 m away | 143 m² | 166 m² | +23 m² +16% | 2019 |
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| 90, Osborne Road428 m away | 104 m² | 127 m² | +23 m² +22% | 2019 |
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| 6b, Slewins Lane645 m away | 51 m² | 74 m² | +23 m² +45% | 2018 |
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| 64, Southdown Road717 m away | 77 m² | 100 m² | +23 m² +30% | 2015 |
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| 80, Heath Park Road537 m away | 43 m² | 66 m² | +23 m² +53% | 2009 |
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| 23, Clive Road272 m away | 88 m² | 110 m² | +22 m² +25% | 2025 |
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| 274, Carlton Road943 m away | 96 m² | 118 m² | +22 m² +23% | 2023 |
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| 60, Grosvenor Drive987 m away | 70 m² | 92 m² | +22 m² +31% | 2023 |
|---|
| 55, Clydesdale Road963 m away | 72 m² | 94 m² | +22 m² +31% | 2022 |
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| 18, Mellowes Road551 m away | 88 m² | 110 m² | +22 m² +25% | 2018 |
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| 234, Hornchurch Road888 m away | 60 m² | 82 m² | +22 m² +37% | 2018 |
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| 4, Academy Fields Road443 m away | 113 m² | 135 m² | +22 m² +19% | 2013 |
|---|
| 132, Hillview Avenue608 m away | 45 m² | 67 m² | +22 m² +49% | 2013 |
|---|
| 114, Grosvenor Drive683 m away | 62 m² | 84 m² | +22 m² +35% | 2011 |
|---|
| 83a, Brentwood Road835 m away | 35 m² | 56 m² | +21 m² +60% | 2024 |
|---|
| 216, Carlton Road877 m away | 98 m² | 119 m² | +21 m² +21% | 2023 |
|---|
| 115, Northumberland Avenue991 m away | 58 m² | 79 m² | +21 m² +36% | 2023 |
|---|
| 13, Kingsley Court141 m away | 27 m² | 48 m² | +21 m² +78% | 2021 |
|---|
| Flat 11, Masters Court, 3, Academy Fields Road488 m away | 46 m² | 67 m² | +21 m² +46% | 2021 |
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| 7, Regency Gardens855 m away | 134 m² | 155 m² | +21 m² +16% | 2021 |
|---|
| 12, Pinecroft858 m away | 73 m² | 94 m² | +21 m² +29% | 2019 |
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| 330, Brentwood Road430 m away | 102 m² | 123 m² | +21 m² +21% | 2018 |
|---|
| 35, Maybrick Road397 m away | 96 m² | 116 m² | +20 m² +21% | 2026 |
|---|
| 8, Margaret Road469 m away | 87 m² | 107 m² | +20 m² +23% | 2025 |
|---|
| 36, Princes Road684 m away | 79 m² | 99 m² | +20 m² +25% | 2025 |
|---|
| 83, Hillview Avenue812 m away | 84 m² | 104 m² | +20 m² +24% | 2023 |
|---|
| 144, Stanley Avenue932 m away | 80 m² | 100 m² | +20 m² +25% | 2022 |
|---|
| 52, Princes Road521 m away | 120 m² | 140 m² | +20 m² +17% | 2021 |
|---|
| 221, Osborne Road713 m away | 114 m² | 134 m² | +20 m² +18% | 2021 |
|---|
| 93, Lyndhurst Drive910 m away | 82 m² | 102 m² | +20 m² +24% | 2021 |
|---|
| 139, Park Lane845 m away | 94 m² | 114 m² | +20 m² +21% | 2014 |
|---|
| 12, Heath Park Road652 m away | 82 m² | 102 m² | +20 m² +24% | 2012 |
|---|
| 14, Hamilton Road415 m away | 58 m² | 78 m² | +20 m² +34% | 2011 |
|---|
| 79, Woodfield Drive964 m away | 84 m² | 104 m² | +20 m² +24% | 2011 |
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