Finding extended homes…
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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 HA7 4EJ
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 |
|---|---|---|---|---|
| 58, Pangbourne Drive961 m away | 179 m² | 422 m² | +243 m² +136% | 2024 |
| 32, Glanleam Road838 m away | 244 m² | 457 m² | +213 m² +87% | 2022 |
| 30, Elm Park163 m away | 134 m² | 327 m² | +193 m² +144% | 2019 |
| Red Roofs, Valencia Road520 m away | 269 m² | 458 m² | +189 m² +70% | 2015 |
| 32, Adelaide Close956 m away | 227 m² | 381 m² | +154 m² +68% | 2021 |
| 149, Stanmore Hill923 m away | 218 m² | 368 m² | +150 m² +69% | 2017 |
| 5, Dovercourt Gardens993 m away | 175 m² | 309 m² | +134 m² +77% | 2021 |
| 25, Abercorn Road951 m away | 128 m² | 256 m² | +128 m² +100% | 2025 |
| 33, Elm Park175 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.
| 99 m² |
| 223 m² |
| +124 m² +125% |
| 2025 |
| 20, Glanleam Road838 m away | 224 m² | 348 m² | +124 m² +55% | 2023 |
|---|
| 37, Dalkeith Grove915 m away | 157 m² | 269 m² | +112 m² +71% | 2022 |
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| 17, Tintagel Drive956 m away | 88 m² | 199 m² | +111 m² +126% | 2026 |
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| 5, Old Forge Close883 m away | 167 m² | 273 m² | +106 m² +63% | 2023 |
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| 34, Glanleam Road838 m away | 276 m² | 382 m² | +106 m² +38% | 2015 |
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| 17, Old Forge Close883 m away | 237 m² | 334 m² | +97 m² +41% | 2014 |
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| 11, Adelaide Close952 m away | 230 m² | 321 m² | +91 m² +40% | 2025 |
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| 116, Cheyneys Avenue962 m away | 98 m² | 189 m² | +91 m² +93% | 2025 |
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| 39, Du Cros Drive630 m away | 106 m² | 195 m² | +89 m² +84% | 2023 |
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| 9, Oldfield Close848 m away | 184 m² | 268 m² | +84 m² +46% | 2026 |
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| 58, Old Church Lane716 m away | 92 m² | 175 m² | +83 m² +90% | 2024 |
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| 5, Silverston Way584 m away | 70 m² | 151 m² | +81 m² +116% | 2014 |
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| 4, Cherry Tree Way340 m away | 304 m² | 384 m² | +80 m² +26% | 2015 |
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| 14, Cloyster Wood998 m away | 141 m² | 217 m² | +76 m² +54% | 2025 |
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| 20, Dovercourt Gardens955 m away | 157 m² | 232 m² | +75 m² +48% | 2026 |
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| 30, Embry Way821 m away | 75 m² | 148 m² | +73 m² +97% | 2026 |
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| 47, Lansdowne Road672 m away | 118 m² | 191 m² | +73 m² +62% | 2019 |
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| 5, Lansdowne Road659 m away | 176 m² | 248 m² | +72 m² +41% | 2018 |
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| 11, Nelson Road254 m away | 74 m² | 144 m² | +70 m² +95% | 2022 |
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| 29, Wolverton Road771 m away | 92 m² | 161 m² | +69 m² +75% | 2026 |
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| 132, Old Church Lane812 m away | 138 m² | 207 m² | +69 m² +50% | 2026 |
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| 27, Howberry Close935 m away | 87 m² | 155 m² | +68 m² +78% | 2025 |
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| 93, Merrion Avenue537 m away | 85 m² | 152 m² | +67 m² +79% | 2024 |
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| 11, Temple Mead Close724 m away | 128 m² | 195 m² | +67 m² +52% | 2022 |
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| Tremar, Green Lane448 m away | 271 m² | 338 m² | +67 m² +25% | 2015 |
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| 51, Cheyneys Avenue955 m away | 108 m² | 173 m² | +65 m² +60% | 2026 |
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| 109, Howberry Road698 m away | 95 m² | 157 m² | +62 m² +65% | 2023 |
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| 13, Wolverton Road771 m away | 80 m² | 142 m² | +62 m² +78% | 2020 |
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| 3, Ingram Close79 m away | 71 m² | 132 m² | +61 m² +86% | 2025 |
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| 37, Marsh Lane449 m away | 60 m² | 121 m² | +61 m² +102% | 2024 |
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| 21, Dalkeith Grove915 m away | 135 m² | 196 m² | +61 m² +45% | 2014 |
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| 63, Cheyneys Avenue955 m away | 95 m² | 154 m² | +59 m² +62% | 2018 |
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| 46, Sandymount Avenue339 m away | 87 m² | 145 m² | +58 m² +67% | 2021 |
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| 50, Elm Park163 m away | 106 m² | 164 m² | +58 m² +55% | 2019 |
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| 97, Howberry Road718 m away | 117 m² | 174 m² | +57 m² +49% | 2026 |
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| 17, Green Verges933 m away | 125 m² | 182 m² | +57 m² +46% | 2025 |
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| 65, Cheyneys Avenue955 m away | 98 m² | 152 m² | +54 m² +55% | 2018 |
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| 117, Old Church Lane744 m away | 132 m² | 184 m² | +52 m² +39% | 2025 |
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| 28, Cloyster Wood998 m away | 135 m² | 186 m² | +51 m² +38% | 2023 |
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| 10, Sandymount Avenue339 m away | 115 m² | 165 m² | +50 m² +43% | 2020 |
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| 23, Gleneagles816 m away | 44 m² | 93 m² | +49 m² +111% | 2022 |
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| 20, Hodgkins Mews530 m away | 33 m² | 82 m² | +49 m² +148% | 2021 |
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| 17, Silverston Way584 m away | 146 m² | 194 m² | +48 m² +33% | 2017 |
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| 25, Tintagel Drive956 m away | 100 m² | 148 m² | +48 m² +48% | 2015 |
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| 71, Lady Aylesford Avenue522 m away | 143 m² | 190 m² | +47 m² +33% | 2023 |
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| 23, Sandymount Avenue381 m away | 90 m² | 137 m² | +47 m² +52% | 2017 |
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| 24, Bernays Close386 m away | 68 m² | 113 m² | +45 m² +66% | 2026 |
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| 58, Sandymount Avenue339 m away | 112 m² | 157 m² | +45 m² +40% | 2021 |
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| 40, Dene Gardens291 m away | 100 m² | 143 m² | +43 m² +43% | 2023 |
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| 69, Sandymount Avenue511 m away | 94 m² | 134 m² | +40 m² +43% | 2024 |
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| 27, Dennis Lane689 m away | 260 m² | 300 m² | +40 m² +15% | 2016 |
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| 28, Haig Road169 m away | 88 m² | 127 m² | +39 m² +44% | 2024 |
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| 26, Embry Way821 m away | 81 m² | 119 m² | +38 m² +47% | 2025 |
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| 2, Golf Close939 m away | 108 m² | 146 m² | +38 m² +35% | 2017 |
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| 76, Elm Park315 m away | 86 m² | 123 m² | +37 m² +43% | 2026 |
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| 12, The Chase972 m away | 107 m² | 144 m² | +37 m² +35% | 2023 |
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| 30, Temple Mead Close724 m away | 134 m² | 171 m² | +37 m² +28% | 2019 |
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| 10, Embry Way821 m away | 73 m² | 109 m² | +36 m² +49% | 2025 |
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| 18, Beatty Road357 m away | 48 m² | 84 m² | +36 m² +75% | 2019 |
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| 4, Valencia Road599 m away | 232 m² | 268 m² | +36 m² +16% | 2014 |
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| 95, Stanmore Hill666 m away | 129 m² | 164 m² | +35 m² +27% | 2024 |
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| 31, The Ridgeway510 m away | 184 m² | 219 m² | +35 m² +19% | 2016 |
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| 11, Lady Aylesford Avenue522 m away | 110 m² | 145 m² | +35 m² +32% | 2015 |
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| 21, Winscombe Way756 m away | 129 m² | 162 m² | +33 m² +26% | 2024 |
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| Flat 14, Pond House, Lady Aylesford Avenue617 m away | 143 m² | 176 m² | +33 m² +23% | 2019 |
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| 48a, The Broadway172 m away | 58 m² | 90 m² | +32 m² +55% | 2023 |
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| 2, Windsor House, Pynnacles Close295 m away | 64 m² | 96 m² | +32 m² +50% | 2020 |
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| 58, Lady Aylesford Avenue557 m away | 148 m² | 180 m² | +32 m² +22% | 2019 |
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| 17, Belmont Lane827 m away | 79 m² | 111 m² | +32 m² +41% | 2019 |
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| 41, Lady Aylesford Avenue522 m away | 58 m² | 90 m² | +32 m² +55% | 2014 |
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| 19, Wychwood Close823 m away | 107 m² | 138 m² | +31 m² +29% | 2023 |
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| 8, Lindeth Close569 m away | 74 m² | 105 m² | +31 m² +42% | 2021 |
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| 82, Stanmore Hill697 m away | 202 m² | 233 m² | +31 m² +15% | 2020 |
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| 8, Tintagel Drive956 m away | 144 m² | 174 m² | +30 m² +21% | 2026 |
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| 122, Marsh Lane431 m away | 87 m² | 117 m² | +30 m² +34% | 2024 |
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| 4, Dene Court, Dene Gardens239 m away | 74 m² | 104 m² | +30 m² +41% | 2021 |
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| 85a, Elm Park413 m away | 71 m² | 101 m² | +30 m² +42% | 2020 |
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| 43, Elm Park175 m away | 90 m² | 120 m² | +30 m² +33% | 2019 |
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| 109, Merrion Avenue628 m away | 95 m² | 124 m² | +29 m² +31% | 2026 |
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| 21, Belmont Lane827 m away | 89 m² | 118 m² | +29 m² +33% | 2024 |
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| 47, Old Church Lane589 m away | 145 m² | 174 m² | +29 m² +20% | 2020 |
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| 95, Merrion Avenue537 m away | 88 m² | 117 m² | +29 m² +33% | 2016 |
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| 34, Goodhall Close653 m away | 96 m² | 125 m² | +29 m² +30% | 2015 |
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| 18, Goodhall Close653 m away | 100 m² | 127 m² | +27 m² +27% | 2026 |
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| 26, Merryfield Gardens332 m away | 71 m² | 98 m² | +27 m² +38% | 2025 |
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| 45, Embry Way850 m away | 131 m² | 158 m² | +27 m² +21% | 2018 |
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| 42, Old Church Lane608 m away | 147 m² | 174 m² | +27 m² +18% | 2014 |
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| 27, Oak Lodge Close282 m away | 85 m² | 111 m² | +26 m² +31% | 2023 |
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| 5, Capuchin Close783 m away | 97 m² | 123 m² | +26 m² +27% | 2021 |
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| 22, Wychwood Close823 m away | 76 m² | 101 m² | +25 m² +33% | 2026 |
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| 57, Elm Park175 m away | 112 m² | 137 m² | +25 m² +22% | 2024 |
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| 56a, Silverston Way527 m away | 89 m² | 114 m² | +25 m² +28% | 2018 |
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| The Nook, Old Lodge Way740 m away | 123 m² | 148 m² | +25 m² +20% | 2016 |
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| 49a, The Broadway125 m away | 79 m² | 103 m² | +24 m² +30% | 2026 |
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| 23, The Seasons, September Way487 m away | 57 m² | 81 m² | +24 m² +42% | 2021 |
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| 78, Cheyneys Avenue962 m away | 72 m² | 96 m² | +24 m² +33% | 2016 |
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| 40, Glebe Road24 m away | 130 m² | 153 m² | +23 m² +18% | 2024 |
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| 59, Wychwood Avenue708 m away | 110 m² | 133 m² | +23 m² +21% | 2013 |
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| 8, Colman Court, Rosedale Close703 m away | 84 m² | 105 m² | +21 m² +25% | 2022 |
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| 9, Capuchin Close783 m away | 89 m² | 109 m² | +20 m² +22% | 2025 |
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| 7, Charlbury Avenue490 m away | 96 m² | 116 m² | +20 m² +21% | 2021 |
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| 79, Beatty Road357 m away | 83 m² | 103 m² | +20 m² +24% | 2014 |
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| Flat 8, Stanmore Lodge, 71, Stanmore Hill582 m away | 70 m² | 90 m² | +20 m² +29% | 2014 |
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| 44, Embry Way821 m away | 76 m² | 95 m² | +19 m² +25% | 2026 |
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| The Old Stables, Pinnacle Place, Green Lane448 m away | 122 m² | 141 m² | +19 m² +16% | 2025 |
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| 9, Glebe Road0 m away | 68 m² | 87 m² | +19 m² +28% | 2024 |
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| 20, Abercorn Road951 m away | 93 m² | 112 m² | +19 m² +20% | 2024 |
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| 33, Tintagel Drive956 m away | 88 m² | 107 m² | +19 m² +22% | 2023 |
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| 16a, The Broadway160 m away | 30 m² | 49 m² | +19 m² +63% | 2017 |
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| 6, Abercorn Road951 m away | 94 m² | 113 m² | +19 m² +20% | 2013 |
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| 21, Sandymount Avenue381 m away | 88 m² | 106 m² | +18 m² +20% | 2013 |
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| Flat 12, Stanmore Towers, Church Road166 m away | 70 m² | 87 m² | +17 m² +24% | 2025 |
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| 40, Copley Road371 m away | 56 m² | 73 m² | +17 m² +30% | 2024 |
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| 24, Kerry Court666 m away | 53 m² | 70 m² | +17 m² +32% | 2024 |
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| Flat 9, Holbein House, 60, Marsh Lane273 m away | 103 m² | 120 m² | +17 m² +17% | 2023 |
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| 11, Oak Lodge Close282 m away | 74 m² | 91 m² | +17 m² +23% | 2023 |
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| 7, Bernays Close386 m away | 69 m² | 86 m² | +17 m² +25% | 2020 |
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| 11, Lemark Close197 m away | 106 m² | 123 m² | +17 m² +16% | 2016 |
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| 53, The Seasons, September Way487 m away | 42 m² | 58 m² | +16 m² +38% | 2025 |
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| 49, Beauchamp Court, Hardwick Close142 m away | 85 m² | 101 m² | +16 m² +19% | 2023 |
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| Littlecote, Green Lane638 m away | 70 m² | 86 m² | +16 m² +23% | 2022 |
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| 10, Beech Tree Close292 m away | 72 m² | 88 m² | +16 m² +22% | 2015 |
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| 38, Beatty Road357 m away | 87 m² | 103 m² | +16 m² +18% | 2009 |
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| Flat 10, Pinehurst, 30, Uxbridge Road799 m away | 95 m² | 111 m² | +16 m² +17% | 2008 |
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| 142, Cheyneys Avenue962 m away | 87 m² | 102 m² | +15 m² +17% | 2026 |
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| 13, Windsor House, Pynnacles Close295 m away | 99 m² | 114 m² | +15 m² +15% | 2024 |
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| Flat 5, Norfolk House, 203, London Road242 m away | 61 m² | 76 m² | +15 m² +25% | 2022 |
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| 16, Kerry Court562 m away | 57 m² | 72 m² | +15 m² +26% | 2019 |
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| 7, Haig Road185 m away | 70 m² | 85 m² | +15 m² +21% | 2016 |
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