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 W7 2BQ
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 |
|---|---|---|---|---|
| 295, Boston Road128 m away | 118 m² | 240 m² | +122 m² +103% | 2021 |
| 90, Southdown Avenue237 m away | 113 m² | 215 m² | +102 m² +90% | 2021 |
| 239, Boston Road227 m away | 114 m² | 211 m² | +97 m² +85% | 2023 |
| 49, Burnham Way575 m away | 99 m² | 191 m² | +92 m² +93% | 2023 |
| 9, St Kilda Road625 m away | 128 m² | 217 m² | +89 m² +70% | 2017 |
| 21, Erlesmere Gardens207 m away | 73 m² | 159 m² | +86 m² +118% | 2020 |
| 2, Cawdor Crescent533 m away | 150 m² | 230 m² | +80 m² +53% | 2026 |
| 91, Manton Avenue346 m away | 90 m² | 168 m² | +78 m² +87% | 2022 |
| 39, St Dunstans Road872 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.
| 87 m² |
| 165 m² |
| +78 m² +90% |
| 2015 |
| 142, Boston Manor Road969 m away | 119 m² | 196 m² | +77 m² +65% | 2017 |
|---|
| 159, Clitherow Avenue425 m away | 111 m² | 185 m² | +74 m² +67% | 2021 |
|---|
| 47, Woodstock Avenue206 m away | 108 m² | 181 m² | +73 m² +68% | 2025 |
|---|
| 31, Mayfield Avenue670 m away | 87 m² | 156 m² | +69 m² +79% | 2022 |
|---|
| 20, Coldershaw Road772 m away | 58 m² | 126 m² | +68 m² +117% | 2023 |
|---|
| 65, Seward Road408 m away | 108 m² | 175 m² | +67 m² +62% | 2024 |
|---|
| 42, St Kilda Road606 m away | 116 m² | 183 m² | +67 m² +58% | 2022 |
|---|
| 136, Midhurst Road331 m away | 96 m² | 161 m² | +65 m² +68% | 2022 |
|---|
| 8, Boston Vale634 m away | 102 m² | 166 m² | +64 m² +63% | 2025 |
|---|
| 11, Wyndham Road491 m away | 87 m² | 151 m² | +64 m² +74% | 2009 |
|---|
| 3, Milford Road883 m away | 76 m² | 139 m² | +63 m² +83% | 2017 |
|---|
| 21a, Camborne Avenue965 m away | 113 m² | 174 m² | +61 m² +54% | 2023 |
|---|
| 30, Croft Gardens494 m away | 138 m² | 199 m² | +61 m² +44% | 2022 |
|---|
| 76, Cumberland Road407 m away | 99 m² | 160 m² | +61 m² +62% | 2020 |
|---|
| 43, Seward Road511 m away | 53 m² | 114 m² | +61 m² +115% | 2014 |
|---|
| 69, Leighton Road564 m away | 125 m² | 186 m² | +61 m² +49% | 2014 |
|---|
| 8, Cawdor Crescent533 m away | 114 m² | 173 m² | +59 m² +52% | 2017 |
|---|
| 18, Studley Grange Road679 m away | 80 m² | 139 m² | +59 m² +74% | 2015 |
|---|
| 24, Manton Avenue377 m away | 89 m² | 147 m² | +58 m² +65% | 2026 |
|---|
| 11, Chalfont Way529 m away | 74 m² | 132 m² | +58 m² +78% | 2024 |
|---|
| 98, Oaklands Road547 m away | 43 m² | 101 m² | +58 m² +135% | 2023 |
|---|
| 1, Cardiff Road157 m away | 91 m² | 149 m² | +58 m² +64% | 2022 |
|---|
| 34, Melbourne Avenue872 m away | 64 m² | 122 m² | +58 m² +91% | 2009 |
|---|
| 2, Hatfield Road826 m away | 78 m² | 135 m² | +57 m² +73% | 2021 |
|---|
| 82, Grosvenor Road766 m away | 122 m² | 179 m² | +57 m² +47% | 2017 |
|---|
| 20, Montague Avenue871 m away | 81 m² | 137 m² | +56 m² +69% | 2020 |
|---|
| 54, Burnham Way553 m away | 86 m² | 142 m² | +56 m² +65% | 2012 |
|---|
| 1, Lancaster Gardens967 m away | 131 m² | 186 m² | +55 m² +42% | 2026 |
|---|
| 7, Walmer Gardens256 m away | 164 m² | 219 m² | +55 m² +34% | 2019 |
|---|
| 7, St James Avenue814 m away | 155 m² | 209 m² | +54 m² +35% | 2022 |
|---|
| 111, Loveday Road879 m away | 92 m² | 146 m² | +54 m² +59% | 2017 |
|---|
| 83, Loveday Road879 m away | 109 m² | 162 m² | +53 m² +49% | 2026 |
|---|
| 2, Seasons Close944 m away | 64 m² | 117 m² | +53 m² +83% | 2020 |
|---|
| 153, Boston Road541 m away | 48 m² | 101 m² | +53 m² +110% | 2014 |
|---|
| 5, Adelaide Road675 m away | 105 m² | 157 m² | +52 m² +50% | 2024 |
|---|
| 81, Leighton Road448 m away | 126 m² | 178 m² | +52 m² +41% | 2023 |
|---|
| 10, Wyndham Road491 m away | 92 m² | 144 m² | +52 m² +57% | 2015 |
|---|
| 32, Deans Road715 m away | 81 m² | 132 m² | +51 m² +63% | 2026 |
|---|
| 103, Leighton Road448 m away | 93 m² | 144 m² | +51 m² +55% | 2025 |
|---|
| 45, Wyndham Road491 m away | 101 m² | 152 m² | +51 m² +50% | 2025 |
|---|
| 45, Southdown Avenue451 m away | 140 m² | 191 m² | +51 m² +36% | 2022 |
|---|
| 91, Southdown Avenue257 m away | 128 m² | 179 m² | +51 m² +40% | 2020 |
|---|
| 65, Burnham Way575 m away | 89 m² | 140 m² | +51 m² +57% | 2019 |
|---|
| 22, St James Avenue856 m away | 141 m² | 191 m² | +50 m² +35% | 2025 |
|---|
| 4, Royal Gardens229 m away | 153 m² | 203 m² | +50 m² +33% | 2016 |
|---|
| 9, Montague Road753 m away | 40 m² | 90 m² | +50 m² +125% | 2012 |
|---|
| 8, Studley Grange Road679 m away | 86 m² | 135 m² | +49 m² +57% | 2023 |
|---|
| 42, Adelaide Road651 m away | 101 m² | 150 m² | +49 m² +49% | 2017 |
|---|
| 47, Hessel Road666 m away | 86 m² | 134 m² | +48 m² +56% | 2026 |
|---|
| 150, Oaklands Road587 m away | 54 m² | 102 m² | +48 m² +89% | 2024 |
|---|
| 36, Adelaide Road651 m away | 106 m² | 154 m² | +48 m² +45% | 2023 |
|---|
| 70, St Dunstans Road895 m away | 89 m² | 137 m² | +48 m² +54% | 2019 |
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| 52, Rosebank Road831 m away | 76 m² | 124 m² | +48 m² +63% | 2018 |
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| 6, St Kilda Road606 m away | 113 m² | 161 m² | +48 m² +42% | 2010 |
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| 10, Seward Road541 m away | 109 m² | 156 m² | +47 m² +43% | 2026 |
|---|
| 6, Newland Gardens321 m away | 88 m² | 135 m² | +47 m² +53% | 2024 |
|---|
| 18, Burnham Way659 m away | 86 m² | 133 m² | +47 m² +55% | 2023 |
|---|
| 36, Burnham Way553 m away | 89 m² | 136 m² | +47 m² +53% | 2012 |
|---|
| 54, Manton Avenue377 m away | 84 m² | 130 m² | +46 m² +55% | 2025 |
|---|
| 7, St Marks Road952 m away | 52 m² | 98 m² | +46 m² +88% | 2023 |
|---|
| 25, Westfield Road914 m away | 90 m² | 136 m² | +46 m² +51% | 2021 |
|---|
| 29, Blondin Avenue981 m away | 103 m² | 148 m² | +45 m² +44% | 2025 |
|---|
| 40, Blondin Avenue954 m away | 111 m² | 156 m² | +45 m² +41% | 2019 |
|---|
| 45, Northfield Avenue761 m away | 85 m² | 130 m² | +45 m² +53% | 2018 |
|---|
| 132, Oaklands Road587 m away | 119 m² | 163 m² | +44 m² +37% | 2026 |
|---|
| 13, Lambourn Close535 m away | 32 m² | 76 m² | +44 m² +138% | 2025 |
|---|
| 19, Osterley Park View Road729 m away | 90 m² | 134 m² | +44 m² +49% | 2025 |
|---|
| 73, Clitherow Avenue167 m away | 104 m² | 148 m² | +44 m² +42% | 2023 |
|---|
| 7, Glenfield Road825 m away | 94 m² | 138 m² | +44 m² +47% | 2020 |
|---|
| 4, Deans Road715 m away | 68 m² | 112 m² | +44 m² +65% | 2017 |
|---|
| 18, St Kilda Road606 m away | 110 m² | 154 m² | +44 m² +40% | 2016 |
|---|
| 41, Claygate Road452 m away | 98 m² | 142 m² | +44 m² +45% | 2015 |
|---|
| 75, Oaklands Road575 m away | 126 m² | 170 m² | +44 m² +35% | 2015 |
|---|
| 105, Grosvenor Road731 m away | 79 m² | 122 m² | +43 m² +54% | 2024 |
|---|
| 105a, Seaford Road865 m away | 69 m² | 112 m² | +43 m² +62% | 2024 |
|---|
| 28b, Coldershaw Road772 m away | 61 m² | 104 m² | +43 m² +70% | 2021 |
|---|
| 89, Northcroft Road609 m away | 65 m² | 108 m² | +43 m² +66% | 2019 |
|---|
| 102, Cranmer Avenue628 m away | 47 m² | 90 m² | +43 m² +91% | 2018 |
|---|
| 45, Leighton Road684 m away | 110 m² | 153 m² | +43 m² +39% | 2018 |
|---|
| 51, Burnham Way575 m away | 91 m² | 134 m² | +43 m² +47% | 2014 |
|---|
| 89, St Kilda Road625 m away | 129 m² | 171 m² | +42 m² +33% | 2025 |
|---|
| 53, Glenfield Road825 m away | 86 m² | 128 m² | +42 m² +49% | 2025 |
|---|
| 60, Seaford Road878 m away | 35 m² | 77 m² | +42 m² +120% | 2025 |
|---|
| 9, Glenfield Road825 m away | 91 m² | 133 m² | +42 m² +46% | 2023 |
|---|
| 98, Coldershaw Road512 m away | 114 m² | 156 m² | +42 m² +37% | 2020 |
|---|
| 8, Glenfield Road825 m away | 88 m² | 130 m² | +42 m² +48% | 2019 |
|---|
| 9, Jersey Road193 m away | 96 m² | 137 m² | +41 m² +43% | 2026 |
|---|
| 13, Chamberlain Road412 m away | 70 m² | 111 m² | +41 m² +59% | 2025 |
|---|
| 137, Loveday Road879 m away | 102 m² | 143 m² | +41 m² +40% | 2025 |
|---|
| 14, Southfield Cottages532 m away | 49 m² | 90 m² | +41 m² +84% | 2022 |
|---|
| 3, Seasons Close944 m away | 102 m² | 143 m² | +41 m² +40% | 2022 |
|---|
| 126, Elthorne Avenue317 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
|---|
| 35, Haslemere Avenue317 m away | 89 m² | 130 m² | +41 m² +46% | 2021 |
|---|
| 43, Osterley Park View Road729 m away | 98 m² | 139 m² | +41 m² +42% | 2019 |
|---|
| 134a, Oaklands Road587 m away | 58 m² | 99 m² | +41 m² +71% | 2017 |
|---|
| 21, Mayfield Avenue670 m away | 89 m² | 130 m² | +41 m² +46% | 2017 |
|---|
| 136, Boston Manor Road969 m away | 103 m² | 144 m² | +41 m² +40% | 2016 |
|---|
| 15, Cantley Road0 m away | 90 m² | 130 m² | +40 m² +44% | 2025 |
|---|
| 66, Westfield Road733 m away | 78 m² | 118 m² | +40 m² +51% | 2025 |
|---|
| 10, Glenfield Terrace805 m away | 74 m² | 114 m² | +40 m² +54% | 2025 |
|---|
| 136, Oaklands Road587 m away | 58 m² | 98 m² | +40 m² +69% | 2024 |
|---|
| 162, Coldershaw Road512 m away | 179 m² | 219 m² | +40 m² +22% | 2021 |
|---|
| 22, Dudley Gardens965 m away | 97 m² | 137 m² | +40 m² +41% | 2019 |
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| 50, Elthorne Park Road212 m away | 83 m² | 122 m² | +39 m² +47% | 2026 |
|---|
| 40, Claygate Road452 m away | 109 m² | 148 m² | +39 m² +36% | 2026 |
|---|
| 14, Bonchurch Road849 m away | 74 m² | 113 m² | +39 m² +53% | 2026 |
|---|
| 18, Salisbury Road625 m away | 81 m² | 120 m² | +39 m² +48% | 2023 |
|---|
| 239, Boston Manor Road911 m away | 111 m² | 150 m² | +39 m² +35% | 2019 |
|---|
| 96, Studley Grange Road679 m away | 81 m² | 120 m² | +39 m² +48% | 2018 |
|---|
| 1b, St Marks Road952 m away | 116 m² | 155 m² | +39 m² +34% | 2014 |
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| 56, Northfield Road653 m away | 85 m² | 124 m² | +39 m² +46% | 2011 |
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| 51, Salisbury Road464 m away | 79 m² | 117 m² | +38 m² +48% | 2026 |
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| 39, Oaklands Road486 m away | 72 m² | 110 m² | +38 m² +53% | 2024 |
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| 8, Montague Road750 m away | 72 m² | 110 m² | +38 m² +53% | 2023 |
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| 59, Westfield Road804 m away | 87 m² | 125 m² | +38 m² +44% | 2022 |
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| 48, Altenburg Avenue724 m away | 69 m² | 107 m² | +38 m² +55% | 2019 |
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| 85, Camborne Avenue965 m away | 100 m² | 138 m² | +38 m² +38% | 2017 |
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| 22, Altenburg Avenue724 m away | 71 m² | 109 m² | +38 m² +54% | 2013 |
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| 24, Derwent Road960 m away | 109 m² | 146 m² | +37 m² +34% | 2025 |
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| 24, Belsize Avenue828 m away | 78 m² | 115 m² | +37 m² +47% | 2022 |
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| 59, Midhurst Road470 m away | 115 m² | 152 m² | +37 m² +32% | 2020 |
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| 18, Chalfont Way529 m away | 106 m² | 143 m² | +37 m² +35% | 2018 |
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| 47, Glenfield Road825 m away | 84 m² | 121 m² | +37 m² +44% | 2017 |
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| 5, Edinburgh Road569 m away | 79 m² | 116 m² | +37 m² +47% | 2015 |
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| 12, Coldershaw Road772 m away | 94 m² | 131 m² | +37 m² +39% | 2014 |
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| 101, Midhurst Road362 m away | 56 m² | 93 m² | +37 m² +66% | 2010 |
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| 17, Cantley Road0 m away | 88 m² | 124 m² | +36 m² +41% | 2026 |
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| 22, Cranmer Avenue787 m away | 68 m² | 104 m² | +36 m² +53% | 2026 |
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| 61, Salisbury Road464 m away | 76 m² | 112 m² | +36 m² +47% | 2025 |
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| 43, Balfour Road620 m away | 75 m² | 111 m² | +36 m² +48% | 2025 |
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| 20, Graham Avenue677 m away | 97 m² | 133 m² | +36 m² +37% | 2025 |
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| 90, Elthorne Park Road247 m away | 110 m² | 146 m² | +36 m² +33% | 2024 |
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| 31, Osterley Park View Road729 m away | 85 m² | 121 m² | +36 m² +42% | 2024 |
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| 23, Cranmer Avenue787 m away | 81 m² | 117 m² | +36 m² +44% | 2024 |
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| 55, Glenfield Road825 m away | 95 m² | 131 m² | +36 m² +38% | 2024 |
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| 11, Seaford Road967 m away | 70 m² | 106 m² | +36 m² +51% | 2024 |
|---|
| 21, Green Avenue772 m away | 74 m² | 110 m² | +36 m² +49% | 2021 |
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| 7, Cambridge Road609 m away | 90 m² | 126 m² | +36 m² +40% | 2020 |
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| 46, Mayfield Avenue633 m away | 101 m² | 137 m² | +36 m² +36% | 2020 |
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| 34, Seaford Road878 m away | 84 m² | 120 m² | +36 m² +43% | 2019 |
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| 12, Glenfield Terrace805 m away | 71 m² | 107 m² | +36 m² +51% | 2018 |
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| 34, Deans Road715 m away | 81 m² | 117 m² | +36 m² +44% | 2017 |
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| 23, Chalfont Way529 m away | 96 m² | 132 m² | +36 m² +38% | 2014 |
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| 30, Raymond Avenue223 m away | 95 m² | 131 m² | +36 m² +38% | 2012 |
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| 106, St Kilda Road606 m away | 113 m² | 148 m² | +35 m² +31% | 2024 |
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| 10, Altenburg Avenue724 m away | 81 m² | 116 m² | +35 m² +43% | 2024 |
|---|
| 87, Elthorne Park Road298 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 62, Balfour Road451 m away | 76 m² | 111 m² | +35 m² +46% | 2022 |
|---|
| 29, Adelaide Road675 m away | 68 m² | 103 m² | +35 m² +51% | 2022 |
|---|
| 24, Lancaster Gardens967 m away | 113 m² | 148 m² | +35 m² +31% | 2021 |
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| 81, Boston Gardens781 m away | 114 m² | 149 m² | +35 m² +31% | 2020 |
|---|
| 51, Hessel Road666 m away | 91 m² | 126 m² | +35 m² +38% | 2019 |
|---|
| 45, Kingsdown Avenue941 m away | 98 m² | 133 m² | +35 m² +36% | 2018 |
|---|
| 39, Green Avenue772 m away | 77 m² | 112 m² | +35 m² +45% | 2017 |
|---|
| 75, Hessel Road496 m away | 76 m² | 111 m² | +35 m² +46% | 2014 |
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| 33, St James Avenue814 m away | 160 m² | 195 m² | +35 m² +22% | 2011 |
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| 5, Chepstow Road114 m away | 92 m² | 126 m² | +34 m² +37% | 2026 |
|---|
| 19, Whitehall Road186 m away | 98 m² | 132 m² | +34 m² +35% | 2025 |
|---|
| 54, Rosebank Road831 m away | 88 m² | 122 m² | +34 m² +39% | 2025 |
|---|
| 28, Woodstock Avenue228 m away | 121 m² | 155 m² | +34 m² +28% | 2024 |
|---|
| 1, Belsize Avenue828 m away | 69 m² | 103 m² | +34 m² +49% | 2024 |
|---|
| 5, Thurlow Road246 m away | 40 m² | 74 m² | +34 m² +85% | 2022 |
|---|
| 55, Northcroft Road609 m away | 77 m² | 111 m² | +34 m² +44% | 2021 |
|---|
| 31, St Margarets Road941 m away | 99 m² | 133 m² | +34 m² +34% | 2021 |
|---|
| 54, Graham Avenue677 m away | 88 m² | 122 m² | +34 m² +39% | 2020 |
|---|
| 47, Erlesmere Gardens207 m away | 106 m² | 140 m² | +34 m² +32% | 2017 |
|---|
| 89, Studley Grange Road665 m away | 67 m² | 101 m² | +34 m² +51% | 2014 |
|---|
| 8, Blondin Avenue954 m away | 111 m² | 145 m² | +34 m² +31% | 2013 |
|---|
| 73, Seward Road349 m away | 113 m² | 147 m² | +34 m² +30% | 2012 |
|---|
| 52, Salisbury Road625 m away | 86 m² | 119 m² | +33 m² +38% | 2026 |
|---|
| 4, St Dunstans Road895 m away | 125 m² | 158 m² | +33 m² +26% | 2026 |
|---|
| 10, Elthorne Avenue274 m away | 102 m² | 135 m² | +33 m² +32% | 2025 |
|---|
| 57, Northcroft Road609 m away | 73 m² | 106 m² | +33 m² +45% | 2025 |
|---|
| 87, Adelaide Road675 m away | 114 m² | 147 m² | +33 m² +29% | 2025 |
|---|
| 81, Balfour Road451 m away | 72 m² | 105 m² | +33 m² +46% | 2022 |
|---|
| 12, Wellmeadow Road567 m away | 146 m² | 179 m² | +33 m² +23% | 2022 |
|---|
| 51, Northfield Avenue761 m away | 42 m² | 75 m² | +33 m² +79% | 2022 |
|---|
| 33, Rosebank Road800 m away | 89 m² | 122 m² | +33 m² +37% | 2020 |
|---|
| 62, Elthorne Park Road247 m away | 47 m² | 80 m² | +33 m² +70% | 2019 |
|---|
| 51, Mayfield Avenue448 m away | 100 m² | 132 m² | +32 m² +32% | 2026 |
|---|
| 10, Burnham Way609 m away | 87 m² | 119 m² | +32 m² +37% | 2025 |
|---|
| 34b, Kingsdown Avenue957 m away | 52 m² | 84 m² | +32 m² +62% | 2024 |
|---|
| 54, Ridley Avenue589 m away | 63 m² | 95 m² | +32 m² +51% | 2023 |
|---|
| 5, Grosvenor Road854 m away | 100 m² | 132 m² | +32 m² +32% | 2022 |
|---|
| 11a, Sydney Road724 m away | 40 m² | 72 m² | +32 m² +80% | 2021 |
|---|
| 142a, Northfield Avenue831 m away | 58 m² | 90 m² | +32 m² +55% | 2021 |
|---|
| 105a, Leighton Road448 m away | 46 m² | 78 m² | +32 m² +70% | 2020 |
|---|
| 32, Salisbury Road625 m away | 86 m² | 118 m² | +32 m² +37% | 2020 |
|---|
| 47, St Dunstans Road872 m away | 79 m² | 111 m² | +32 m² +41% | 2020 |
|---|
| 33, Westfield Road914 m away | 91 m² | 123 m² | +32 m² +35% | 2020 |
|---|
| 12, Elthorne Avenue274 m away | 105 m² | 137 m² | +32 m² +30% | 2019 |
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