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 W10 4AS
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 |
|---|---|---|---|---|
| 16, Kingswood Avenue547 m away | 205 m² | 388 m² | +183 m² +89% | 2017 |
| 40, Harvist Road183 m away | 148 m² | 317 m² | +169 m² +114% | 2017 |
| 100, Christchurch Avenue974 m away | 233 m² | 384 m² | +151 m² +65% | 2018 |
| 33, Milman Road452 m away | 163 m² | 311 m² | +148 m² +91% | 2023 |
| 131, Brondesbury Road769 m away | 219 m² | 366 m² | +147 m² +67% | 2020 |
| 92, The Avenue767 m away | 169 m² | 305 m² | +136 m² +80% | 2025 |
| 42, Harvist Road183 m away | 150 m² | 285 m² | +135 m² +90% | 2022 |
| 12, Carlisle Road829 m away | 182 m² | 305 m² | +123 m² +68% | 2018 |
| 110, The Avenue767 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.
| 165 m² |
| 283 m² |
| +118 m² +72% |
| 2015 |
| 36, Kingswood Avenue717 m away | 188 m² | 302 m² | +114 m² +61% | 2018 |
|---|
| 15, Compton Road409 m away | 90 m² | 200 m² | +110 m² +122% | 2022 |
|---|
| 30, Wrentham Avenue623 m away | 167 m² | 277 m² | +110 m² +66% | 2022 |
|---|
| 221, Bravington Road494 m away | 117 m² | 223 m² | +106 m² +91% | 2013 |
|---|
| 106, Christchurch Avenue974 m away | 293 m² | 398 m² | +105 m² +36% | 2024 |
|---|
| 82, Christchurch Avenue974 m away | 243 m² | 345 m² | +102 m² +42% | 2013 |
|---|
| 120, Saltram Crescent763 m away | 92 m² | 192 m² | +100 m² +109% | 2015 |
|---|
| 28, Milman Road452 m away | 86 m² | 185 m² | +99 m² +115% | 2023 |
|---|
| 55, Leigh Gardens829 m away | 112 m² | 209 m² | +97 m² +87% | 2025 |
|---|
| 46, Kempe Road326 m away | 68 m² | 165 m² | +97 m² +143% | 2019 |
|---|
| 36, Hopefield Avenue632 m away | 89 m² | 186 m² | +97 m² +109% | 2019 |
|---|
| 139, Purves Road779 m away | 117 m² | 213 m² | +96 m² +82% | 2020 |
|---|
| 7, Crediton Road773 m away | 154 m² | 239 m² | +85 m² +55% | 2024 |
|---|
| 27, Crediton Road773 m away | 75 m² | 159 m² | +84 m² +112% | 2019 |
|---|
| 32, Rainham Road655 m away | 68 m² | 151 m² | +83 m² +122% | 2023 |
|---|
| 86, Wrentham Avenue639 m away | 222 m² | 305 m² | +83 m² +37% | 2014 |
|---|
| 91, Wakeman Road656 m away | 101 m² | 181 m² | +80 m² +79% | 2023 |
|---|
| 284b, Shirland Road671 m away | 97 m² | 177 m² | +80 m² +82% | 2023 |
|---|
| 54, Liddell Gardens983 m away | 111 m² | 190 m² | +79 m² +71% | 2023 |
|---|
| 19, Dundonald Road769 m away | 79 m² | 157 m² | +78 m² +99% | 2021 |
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| 187, Chevening Road905 m away | 102 m² | 180 m² | +78 m² +76% | 2016 |
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| 29, Okehampton Road903 m away | 163 m² | 240 m² | +77 m² +47% | 2026 |
|---|
| 188c, Shirland Road979 m away | 53 m² | 129 m² | +76 m² +143% | 2025 |
|---|
| 75, Mortimer Road705 m away | 126 m² | 202 m² | +76 m² +60% | 2020 |
|---|
| 62, Keslake Road402 m away | 133 m² | 207 m² | +74 m² +56% | 2020 |
|---|
| 40, Pember Road458 m away | 52 m² | 126 m² | +74 m² +142% | 2019 |
|---|
| 36, Mortimer Road445 m away | 137 m² | 211 m² | +74 m² +54% | 2015 |
|---|
| 100, Liddell Gardens983 m away | 108 m² | 181 m² | +73 m² +68% | 2020 |
|---|
| 100, The Avenue767 m away | 262 m² | 335 m² | +73 m² +28% | 2018 |
|---|
| 28, Leigh Gardens810 m away | 95 m² | 167 m² | +72 m² +76% | 2011 |
|---|
| 60, Harvist Road183 m away | 84 m² | 155 m² | +71 m² +85% | 2015 |
|---|
| 104, The Avenue767 m away | 185 m² | 256 m² | +71 m² +38% | 2015 |
|---|
| 83, Leigh Gardens829 m away | 96 m² | 165 m² | +69 m² +72% | 2025 |
|---|
| 13, Creighton Road408 m away | 136 m² | 205 m² | +69 m² +51% | 2024 |
|---|
| 33, Crediton Road773 m away | 75 m² | 144 m² | +69 m² +92% | 2021 |
|---|
| 42, Burrows Road672 m away | 124 m² | 193 m² | +69 m² +56% | 2020 |
|---|
| 84, Harvist Road207 m away | 153 m² | 222 m² | +69 m² +45% | 2018 |
|---|
| 19, Bolton Gardens497 m away | 124 m² | 192 m² | +68 m² +55% | 2025 |
|---|
| Flat 1, 547, Harrow Road516 m away | 96 m² | 164 m² | +68 m² +71% | 2025 |
|---|
| 59b, The Avenue878 m away | 101 m² | 169 m² | +68 m² +67% | 2024 |
|---|
| 28, Burrows Road672 m away | 111 m² | 178 m² | +67 m² +60% | 2026 |
|---|
| 112, Harvist Road261 m away | 151 m² | 218 m² | +67 m² +44% | 2025 |
|---|
| 33, Leighton Gardens955 m away | 131 m² | 198 m² | +67 m² +51% | 2025 |
|---|
| 179, Ashmore Road631 m away | 66 m² | 133 m² | +67 m² +102% | 2020 |
|---|
| 24, Langler Road599 m away | 122 m² | 188 m² | +66 m² +54% | 2026 |
|---|
| 34, Crediton Road766 m away | 159 m² | 225 m² | +66 m² +42% | 2021 |
|---|
| 6, Linden Avenue522 m away | 125 m² | 190 m² | +65 m² +52% | 2023 |
|---|
| 44, Montrose Avenue601 m away | 78 m² | 143 m² | +65 m² +83% | 2023 |
|---|
| 13, Leighton Gardens955 m away | 65 m² | 130 m² | +65 m² +100% | 2022 |
|---|
| 19, Crediton Road773 m away | 149 m² | 214 m² | +65 m² +44% | 2019 |
|---|
| 82, Harvist Road207 m away | 150 m² | 215 m² | +65 m² +43% | 2017 |
|---|
| 8, Summerfield Avenue605 m away | 126 m² | 191 m² | +65 m² +52% | 2017 |
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| 5, Wakeman Road459 m away | 126 m² | 191 m² | +65 m² +52% | 2014 |
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| 10, Ashburnham Road823 m away | 128 m² | 192 m² | +64 m² +50% | 2026 |
|---|
| 8, Dundonald Road765 m away | 159 m² | 223 m² | +64 m² +40% | 2017 |
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| 21, Crediton Road773 m away | 144 m² | 207 m² | +63 m² +44% | 2025 |
|---|
| 4, College Road896 m away | 121 m² | 184 m² | +63 m² +52% | 2020 |
|---|
| 104, Whitmore Gardens922 m away | 116 m² | 179 m² | +63 m² +54% | 2019 |
|---|
| 854, Harrow Road638 m away | 94 m² | 156 m² | +62 m² +66% | 2026 |
|---|
| 129, Clifford Gardens831 m away | 124 m² | 186 m² | +62 m² +50% | 2024 |
|---|
| 85, Harvist Road287 m away | 209 m² | 270 m² | +61 m² +29% | 2016 |
|---|
| 147, Herries Street291 m away | 76 m² | 137 m² | +61 m² +80% | 2015 |
|---|
| 44, Dundonald Road765 m away | 176 m² | 236 m² | +60 m² +34% | 2015 |
|---|
| 145, Harvist Road147 m away | 239 m² | 298 m² | +59 m² +25% | 2026 |
|---|
| 41, Leigh Gardens829 m away | 101 m² | 160 m² | +59 m² +58% | 2025 |
|---|
| 75, Ashburnham Road703 m away | 126 m² | 185 m² | +59 m² +47% | 2021 |
|---|
| 75, Okehampton Road907 m away | 180 m² | 239 m² | +59 m² +33% | 2018 |
|---|
| 93, Chevening Road522 m away | 153 m² | 212 m² | +59 m² +39% | 2016 |
|---|
| 23, Summerfield Avenue579 m away | 135 m² | 193 m² | +58 m² +43% | 2026 |
|---|
| 130, Clifford Gardens837 m away | 122 m² | 180 m² | +58 m² +48% | 2026 |
|---|
| 164, Purves Road725 m away | 120 m² | 178 m² | +58 m² +48% | 2024 |
|---|
| 29, Summerfield Avenue579 m away | 133 m² | 191 m² | +58 m² +44% | 2022 |
|---|
| 6, Montrose Avenue601 m away | 129 m² | 187 m² | +58 m² +45% | 2022 |
|---|
| 14, Mostyn Gardens462 m away | 128 m² | 186 m² | +58 m² +45% | 2020 |
|---|
| 44, Milman Road452 m away | 163 m² | 220 m² | +57 m² +35% | 2015 |
|---|
| 46, Liddell Gardens878 m away | 99 m² | 155 m² | +56 m² +57% | 2026 |
|---|
| 7, St Johns Terrace516 m away | 48 m² | 104 m² | +56 m² +117% | 2023 |
|---|
| 16, Brooksville Avenue723 m away | 129 m² | 185 m² | +56 m² +43% | 2020 |
|---|
| 27, Okehampton Road903 m away | 176 m² | 232 m² | +56 m² +32% | 2018 |
|---|
| 88, Ashburnham Road700 m away | 70 m² | 126 m² | +56 m² +80% | 2013 |
|---|
| 13, Hartland Road905 m away | 131 m² | 186 m² | +55 m² +42% | 2012 |
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| 42, Ashburnham Road823 m away | 132 m² | 186 m² | +54 m² +41% | 2026 |
|---|
| 30b, Wakeman Road464 m away | 62 m² | 115 m² | +53 m² +85% | 2025 |
|---|
| 62, Liddell Gardens983 m away | 104 m² | 157 m² | +53 m² +51% | 2025 |
|---|
| 2a, Leighton Gardens981 m away | 49 m² | 102 m² | +53 m² +108% | 2016 |
|---|
| 78, Liddell Gardens983 m away | 108 m² | 160 m² | +52 m² +48% | 2026 |
|---|
| 4, Dundonald Road765 m away | 178 m² | 230 m² | +52 m² +29% | 2025 |
|---|
| 58b, Warlock Road979 m away | 56 m² | 108 m² | +52 m² +93% | 2025 |
|---|
| Coach House, 122, Brondesbury Road696 m away | 38 m² | 90 m² | +52 m² +137% | 2024 |
|---|
| 58b, Fifth Avenue376 m away | 46 m² | 98 m² | +52 m² +113% | 2021 |
|---|
| 17, Chevening Road508 m away | 165 m² | 217 m² | +52 m² +32% | 2017 |
|---|
| 106, Kempe Road326 m away | 140 m² | 191 m² | +51 m² +36% | 2025 |
|---|
| 14, Kempe Road273 m away | 142 m² | 193 m² | +51 m² +36% | 2024 |
|---|
| 64, Okehampton Road874 m away | 246 m² | 297 m² | +51 m² +21% | 2024 |
|---|
| 41, Chevening Road508 m away | 151 m² | 202 m² | +51 m² +34% | 2023 |
|---|
| 191, Harvist Road147 m away | 68 m² | 119 m² | +51 m² +75% | 2019 |
|---|
| 3, Keslake Road323 m away | 152 m² | 203 m² | +51 m² +34% | 2013 |
|---|
| 57, Okehampton Road907 m away | 185 m² | 236 m² | +51 m² +28% | 2013 |
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| 66, Salusbury Road670 m away | 97 m² | 148 m² | +51 m² +53% | 2011 |
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| 37, Creighton Road408 m away | 148 m² | 198 m² | +50 m² +34% | 2026 |
|---|
| 98, Liddell Gardens983 m away | 119 m² | 169 m² | +50 m² +42% | 2026 |
|---|
| 96, Kempe Road326 m away | 108 m² | 158 m² | +50 m² +46% | 2025 |
|---|
| 50, College Road904 m away | 103 m² | 153 m² | +50 m² +49% | 2024 |
|---|
| 29, Liddell Gardens907 m away | 104 m² | 154 m² | +50 m² +48% | 2023 |
|---|
| 57, Portnall Road846 m away | 58 m² | 108 m² | +50 m² +86% | 2022 |
|---|
| 14, Kingswood Avenue547 m away | 223 m² | 273 m² | +50 m² +22% | 2020 |
|---|
| 1, Dunmore Road794 m away | 120 m² | 170 m² | +50 m² +42% | 2017 |
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| 55, Donaldson Road992 m away | 128 m² | 178 m² | +50 m² +39% | 2014 |
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| 89, Mortimer Road705 m away | 126 m² | 175 m² | +49 m² +39% | 2026 |
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| 94, Leigh Gardens810 m away | 107 m² | 156 m² | +49 m² +46% | 2021 |
|---|
| 534, Harrow Road933 m away | 55 m² | 104 m² | +49 m² +89% | 2017 |
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| 36, Linden Avenue611 m away | 125 m² | 173 m² | +48 m² +38% | 2026 |
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| 21, Donaldson Road992 m away | 129 m² | 177 m² | +48 m² +37% | 2025 |
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| 17, Mortimer Road464 m away | 124 m² | 172 m² | +48 m² +39% | 2018 |
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| 34a, Ashmore Road899 m away | 56 m² | 103 m² | +47 m² +84% | 2024 |
|---|
| 14, Dundonald Road765 m away | 161 m² | 208 m² | +47 m² +29% | 2021 |
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| 8, Montrose Avenue601 m away | 126 m² | 172 m² | +46 m² +37% | 2025 |
|---|
| 33, Chevening Road508 m away | 149 m² | 195 m² | +46 m² +31% | 2023 |
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| 63, Clifford Gardens688 m away | 148 m² | 194 m² | +46 m² +31% | 2023 |
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| 52, Whitmore Gardens922 m away | 113 m² | 159 m² | +46 m² +41% | 2023 |
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| 31, Carlisle Road815 m away | 127 m² | 173 m² | +46 m² +36% | 2022 |
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| 47, Leigh Gardens829 m away | 95 m² | 141 m² | +46 m² +48% | 2022 |
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| 68, Linden Avenue591 m away | 151 m² | 197 m² | +46 m² +30% | 2015 |
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| 32, Linden Avenue588 m away | 148 m² | 194 m² | +46 m² +31% | 2014 |
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| 7, Carlisle Road815 m away | 126 m² | 172 m² | +46 m² +37% | 2013 |
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| 14, Bolton Gardens514 m away | 89 m² | 134 m² | +45 m² +51% | 2026 |
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| 49a, Okehampton Road907 m away | 74 m² | 119 m² | +45 m² +61% | 2025 |
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| 97, Marne Street124 m away | 70 m² | 115 m² | +45 m² +64% | 2022 |
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| 83, Burrows Road800 m away | 156 m² | 200 m² | +44 m² +28% | 2026 |
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| 30, Ashburnham Road823 m away | 125 m² | 169 m² | +44 m² +35% | 2024 |
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| 7, Liddell Gardens907 m away | 99 m² | 143 m² | +44 m² +44% | 2021 |
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| 97, Leigh Gardens829 m away | 93 m² | 137 m² | +44 m² +47% | 2020 |
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| 113, Ilbert Street288 m away | 82 m² | 126 m² | +44 m² +54% | 2013 |
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| 40, Keslake Road355 m away | 164 m² | 208 m² | +44 m² +27% | 2009 |
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| 91, Nutbourne Street101 m away | 60 m² | 103 m² | +43 m² +72% | 2026 |
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| 72, Ashburnham Road700 m away | 171 m² | 214 m² | +43 m² +25% | 2025 |
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| Flat 1, 119, Harvist Road287 m away | 70 m² | 113 m² | +43 m² +61% | 2022 |
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| 321, Shirland Road654 m away | 45 m² | 88 m² | +43 m² +96% | 2022 |
|---|
| 121, Wakeman Road656 m away | 128 m² | 171 m² | +43 m² +34% | 2021 |
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| 51, Keslake Road374 m away | 134 m² | 177 m² | +43 m² +32% | 2016 |
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| 95b, Kilburn Lane115 m away | 44 m² | 87 m² | +43 m² +98% | 2013 |
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| 150a, Purves Road725 m away | 50 m² | 92 m² | +42 m² +84% | 2025 |
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| 140, Victoria Road723 m away | 69 m² | 111 m² | +42 m² +61% | 2024 |
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| 159, Harvist Road147 m away | 201 m² | 243 m² | +42 m² +21% | 2023 |
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| 96, Mortimer Road711 m away | 85 m² | 127 m² | +42 m² +49% | 2022 |
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| 73c, Saltram Crescent969 m away | 50 m² | 92 m² | +42 m² +84% | 2021 |
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| 191, Chevening Road905 m away | 196 m² | 238 m² | +42 m² +21% | 2020 |
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| 99, Hartland Road777 m away | 129 m² | 171 m² | +42 m² +33% | 2019 |
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| 82, Leigh Gardens810 m away | 112 m² | 154 m² | +42 m² +38% | 2018 |
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| 31, Milman Road452 m away | 71 m² | 113 m² | +42 m² +59% | 2017 |
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| 39, Summerfield Avenue579 m away | 136 m² | 178 m² | +42 m² +31% | 2013 |
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| 82, Wakeman Road622 m away | 149 m² | 190 m² | +41 m² +28% | 2025 |
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| 20, Hiley Road949 m away | 85 m² | 126 m² | +41 m² +48% | 2025 |
|---|
| 188, Peach Road171 m away | 56 m² | 97 m² | +41 m² +73% | 2022 |
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| 39, Leighton Gardens955 m away | 126 m² | 167 m² | +41 m² +33% | 2022 |
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| 14, Creighton Road433 m away | 148 m² | 189 m² | +41 m² +28% | 2014 |
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| 108, Victoria Road723 m away | 134 m² | 175 m² | +41 m² +31% | 2012 |
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| Flat 57, Hazlewood Tower, Golborne Gardens909 m away | 29 m² | 69 m² | +40 m² +138% | 2026 |
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| 7, Honiton Road826 m away | 147 m² | 187 m² | +40 m² +27% | 2025 |
|---|
| 76, Liddell Gardens983 m away | 121 m² | 161 m² | +40 m² +33% | 2024 |
|---|
| 122, Fifth Avenue165 m away | 59 m² | 99 m² | +40 m² +68% | 2022 |
|---|
| 18, Wakeman Road404 m away | 123 m² | 163 m² | +40 m² +33% | 2021 |
|---|
| 7, Burrows Road660 m away | 125 m² | 165 m² | +40 m² +32% | 2021 |
|---|
| 4, Croxley Road870 m away | 34 m² | 74 m² | +40 m² +118% | 2008 |
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| 62, Marne Street217 m away | 60 m² | 99 m² | +39 m² +65% | 2025 |
|---|
| 17, Creighton Road408 m away | 146 m² | 185 m² | +39 m² +27% | 2025 |
|---|
| 43a, Okehampton Road903 m away | 96 m² | 135 m² | +39 m² +41% | 2024 |
|---|
| 30, Rainham Road655 m away | 125 m² | 164 m² | +39 m² +31% | 2023 |
|---|
| 33, Keslake Road323 m away | 147 m² | 186 m² | +39 m² +27% | 2021 |
|---|
| 104, Keslake Road402 m away | 146 m² | 185 m² | +39 m² +27% | 2021 |
|---|
| 139c, Ashmore Road707 m away | 53 m² | 92 m² | +39 m² +74% | 2019 |
|---|
| 20, Lynton Road882 m away | 124 m² | 163 m² | +39 m² +31% | 2019 |
|---|
| 103, Whitmore Gardens945 m away | 103 m² | 142 m² | +39 m² +38% | 2019 |
|---|
| 21, Dundonald Road769 m away | 157 m² | 196 m² | +39 m² +25% | 2018 |
|---|
| Flat 314, Holmefield House, Hazlewood Crescent857 m away | 41 m² | 80 m² | +39 m² +95% | 2015 |
|---|
| Flat 3, 171, Ashmore Road707 m away | 79 m² | 118 m² | +39 m² +49% | 2010 |
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| 72, The Avenue767 m away | 234 m² | 273 m² | +39 m² +17% | 2009 |
|---|
| 26, Keslake Road355 m away | 147 m² | 185 m² | +38 m² +26% | 2025 |
|---|
| 62, Chevening Road466 m away | 177 m² | 215 m² | +38 m² +21% | 2025 |
|---|
| 6a, Portnall Road812 m away | 77 m² | 115 m² | +38 m² +49% | 2024 |
|---|
| 42, Portnall Road812 m away | 49 m² | 87 m² | +38 m² +78% | 2024 |
|---|
| 119, Harvist Road287 m away | 73 m² | 111 m² | +38 m² +52% | 2022 |
|---|
| 4, Fordingley Road963 m away | 56 m² | 94 m² | +38 m² +68% | 2022 |
|---|
| 12, Hartland Road743 m away | 86 m² | 124 m² | +38 m² +44% | 2020 |
|---|
| 18c, Donaldson Road961 m away | 46 m² | 84 m² | +38 m² +83% | 2020 |
|---|
| 19, Mostyn Gardens450 m away | 140 m² | 178 m² | +38 m² +27% | 2014 |
|---|
| 125, Purves Road779 m away | 122 m² | 159 m² | +37 m² +30% | 2025 |
|---|
| 60, Kilburn Lane237 m away | 72 m² | 109 m² | +37 m² +51% | 2024 |
|---|
| 92, Liddell Gardens983 m away | 120 m² | 157 m² | +37 m² +31% | 2024 |
|---|
| 5, Dudley Road572 m away | 130 m² | 167 m² | +37 m² +28% | 2022 |
|---|
| 91, Clifford Gardens831 m away | 132 m² | 169 m² | +37 m² +28% | 2021 |
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