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 HA7 2PS
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 |
|---|---|---|---|---|
| 30, Elm Park865 m away | 134 m² | 327 m² | +193 m² +144% | 2019 |
| 25, Abercorn Road97 m away | 128 m² | 256 m² | +128 m² +100% | 2025 |
| 33, Elm Park775 m away | 99 m² | 223 m² | +124 m² +125% | 2025 |
| 31, Watersfield Way988 m away | 98 m² | 217 m² | +119 m² +121% | 2013 |
| 22, Weston Drive769 m away | 105 m² | 222 m² | +117 m² +111% | 2025 |
| 117, Wemborough Road329 m away | 86 m² | 196 m² | +110 m² +128% | 2023 |
| 95, Wemborough Road329 m away | 90 m² | 192 m² | +102 m² +113% | 2026 |
| 1, The Chase964 m away | 115 m² | 216 m² | +101 m² +88% | 2026 |
| 17, Bush Grove475 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.
| 189 m² |
| +100 m² +112% |
| 2024 |
| 36, Wetheral Drive635 m away | 71 m² | 163 m² | +92 m² +130% | 2017 |
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| 116, Cheyneys Avenue975 m away | 98 m² | 189 m² | +91 m² +93% | 2025 |
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| 39, Du Cros Drive957 m away | 106 m² | 195 m² | +89 m² +84% | 2023 |
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| 58, Old Church Lane221 m away | 92 m² | 175 m² | +83 m² +90% | 2024 |
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| 5, Silverston Way509 m away | 70 m² | 151 m² | +81 m² +116% | 2014 |
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| 4, Cherry Tree Way717 m away | 304 m² | 384 m² | +80 m² +26% | 2015 |
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| 14, Cloyster Wood770 m away | 141 m² | 217 m² | +76 m² +54% | 2025 |
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| 47, Lansdowne Road431 m away | 118 m² | 191 m² | +73 m² +62% | 2019 |
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| 75, Vernon Drive696 m away | 100 m² | 173 m² | +73 m² +73% | 2019 |
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| 5, Lansdowne Road303 m away | 176 m² | 248 m² | +72 m² +41% | 2018 |
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| 23, Vernon Drive891 m away | 86 m² | 157 m² | +71 m² +83% | 2025 |
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| 39, Curzon Avenue963 m away | 92 m² | 163 m² | +71 m² +77% | 2024 |
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| 4, Oak Tree Close136 m away | 160 m² | 231 m² | +71 m² +44% | 2021 |
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| 11, Nelson Road727 m away | 74 m² | 144 m² | +70 m² +95% | 2022 |
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| 29, Wolverton Road191 m away | 92 m² | 161 m² | +69 m² +75% | 2026 |
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| 132, Old Church Lane360 m away | 138 m² | 207 m² | +69 m² +50% | 2026 |
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| 27, Howberry Close783 m away | 87 m² | 155 m² | +68 m² +78% | 2025 |
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| 11, Temple Mead Close659 m away | 128 m² | 195 m² | +67 m² +52% | 2022 |
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| 49, Felbridge Avenue798 m away | 74 m² | 141 m² | +67 m² +91% | 2022 |
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| 51, Cheyneys Avenue935 m away | 108 m² | 173 m² | +65 m² +60% | 2026 |
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| 39, Thistlecroft Gardens956 m away | 69 m² | 134 m² | +65 m² +94% | 2022 |
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| 35, Wemborough Road392 m away | 93 m² | 157 m² | +64 m² +69% | 2018 |
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| 4, Howberry Road939 m away | 63 m² | 126 m² | +63 m² +100% | 2022 |
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| 109, Howberry Road960 m away | 95 m² | 157 m² | +62 m² +65% | 2023 |
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| 13, Wolverton Road191 m away | 80 m² | 142 m² | +62 m² +78% | 2020 |
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| 2, Floriston Close459 m away | 80 m² | 142 m² | +62 m² +78% | 2016 |
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| 3, Ingram Close889 m away | 71 m² | 132 m² | +61 m² +86% | 2025 |
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| 37, Marsh Lane736 m away | 60 m² | 121 m² | +61 m² +102% | 2024 |
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| 30, Kynance Gardens631 m away | 84 m² | 144 m² | +60 m² +71% | 2024 |
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| 64, Hermitage Way938 m away | 99 m² | 159 m² | +60 m² +61% | 2024 |
|---|
| 63, Cheyneys Avenue935 m away | 95 m² | 154 m² | +59 m² +62% | 2018 |
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| 50, Elm Park865 m away | 106 m² | 164 m² | +58 m² +55% | 2019 |
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| 17, Hermitage Way901 m away | 76 m² | 133 m² | +57 m² +75% | 2026 |
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| 97, Howberry Road907 m away | 117 m² | 174 m² | +57 m² +49% | 2026 |
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| 17, Green Verges547 m away | 125 m² | 182 m² | +57 m² +46% | 2025 |
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| 22, Hermitage Way938 m away | 75 m² | 132 m² | +57 m² +76% | 2024 |
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| 50, Bromefield500 m away | 87 m² | 144 m² | +57 m² +66% | 2022 |
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| 1, Ventnor Avenue804 m away | 98 m² | 154 m² | +56 m² +57% | 2019 |
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| 65, Cheyneys Avenue935 m away | 98 m² | 152 m² | +54 m² +55% | 2018 |
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| 33, Honister Gardens330 m away | 85 m² | 138 m² | +53 m² +62% | 2026 |
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| 31, Weston Drive719 m away | 85 m² | 138 m² | +53 m² +62% | 2018 |
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| 117, Old Church Lane359 m away | 132 m² | 184 m² | +52 m² +39% | 2025 |
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| 24, Pickett Croft744 m away | 88 m² | 140 m² | +52 m² +59% | 2012 |
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| 28, Cloyster Wood770 m away | 135 m² | 186 m² | +51 m² +38% | 2023 |
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| 22, York Avenue850 m away | 83 m² | 134 m² | +51 m² +61% | 2022 |
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| 9, Amber House, Honeypot Lane738 m away | 35 m² | 85 m² | +50 m² +143% | 2024 |
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| 188, Uppingham Avenue838 m away | 95 m² | 144 m² | +49 m² +52% | 2025 |
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| 23, Gleneagles453 m away | 44 m² | 93 m² | +49 m² +111% | 2022 |
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| 17, Silverston Way509 m away | 146 m² | 194 m² | +48 m² +33% | 2017 |
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| 82, Weston Drive465 m away | 89 m² | 136 m² | +47 m² +53% | 2024 |
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| 71, Lady Aylesford Avenue890 m away | 143 m² | 190 m² | +47 m² +33% | 2023 |
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| 57, Bellamy Drive632 m away | 76 m² | 122 m² | +46 m² +61% | 2021 |
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| 21, Hermitage Way901 m away | 74 m² | 120 m² | +46 m² +62% | 2021 |
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| 24, Bernays Close555 m away | 68 m² | 113 m² | +45 m² +66% | 2026 |
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| 72, Vernon Drive814 m away | 100 m² | 145 m² | +45 m² +45% | 2024 |
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| 62, Wetheral Drive789 m away | 75 m² | 120 m² | +45 m² +60% | 2023 |
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| 4, Cheyneys Avenue995 m away | 89 m² | 133 m² | +44 m² +49% | 2015 |
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| 73, St Edmunds Drive844 m away | 48 m² | 90 m² | +42 m² +88% | 2020 |
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| 91, Braithwaite Gardens597 m away | 78 m² | 119 m² | +41 m² +53% | 2019 |
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| 69, Sandymount Avenue920 m away | 94 m² | 134 m² | +40 m² +43% | 2024 |
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| 28, Kynance Gardens631 m away | 100 m² | 140 m² | +40 m² +40% | 2022 |
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| 2, Howberry Road939 m away | 88 m² | 128 m² | +40 m² +45% | 2020 |
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| 12, Maychurch Close671 m away | 52 m² | 92 m² | +40 m² +77% | 2018 |
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| 31, Longcrofte Road727 m away | 168 m² | 207 m² | +39 m² +23% | 2025 |
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| 28, Haig Road771 m away | 88 m² | 127 m² | +39 m² +44% | 2024 |
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| 89, Bromefield598 m away | 78 m² | 117 m² | +39 m² +50% | 2015 |
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| 16, Cheyneys Avenue995 m away | 83 m² | 121 m² | +38 m² +46% | 2024 |
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| 26, St Andrews Drive495 m away | 107 m² | 145 m² | +38 m² +36% | 2023 |
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| 913, Honeypot Lane684 m away | 45 m² | 83 m² | +38 m² +84% | 2022 |
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| 56, Kynance Gardens631 m away | 89 m² | 127 m² | +38 m² +43% | 2019 |
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| 2, Golf Close74 m away | 108 m² | 146 m² | +38 m² +35% | 2017 |
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| 76, Elm Park624 m away | 86 m² | 123 m² | +37 m² +43% | 2026 |
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| 12, The Chase941 m away | 107 m² | 144 m² | +37 m² +35% | 2023 |
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| 44, St Edmunds Drive873 m away | 77 m² | 114 m² | +37 m² +48% | 2021 |
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| 30, Temple Mead Close659 m away | 134 m² | 171 m² | +37 m² +28% | 2019 |
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| 18, Beatty Road662 m away | 48 m² | 84 m² | +36 m² +75% | 2019 |
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| 21, Vernon Drive891 m away | 96 m² | 131 m² | +35 m² +36% | 2025 |
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| 31, The Ridgeway433 m away | 184 m² | 219 m² | +35 m² +19% | 2016 |
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| 25, Bush Grove681 m away | 142 m² | 177 m² | +35 m² +25% | 2015 |
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| 11, Lady Aylesford Avenue890 m away | 110 m² | 145 m² | +35 m² +32% | 2015 |
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| 25, Howberry Road880 m away | 147 m² | 181 m² | +34 m² +23% | 2026 |
|---|
| 127, Wemborough Road329 m away | 80 m² | 114 m² | +34 m² +43% | 2020 |
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| 8, Amber House, Honeypot Lane738 m away | 37 m² | 71 m² | +34 m² +92% | 2019 |
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| 64, Coledale Drive396 m away | 119 m² | 153 m² | +34 m² +29% | 2017 |
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| 94, Bellamy Drive577 m away | 71 m² | 105 m² | +34 m² +48% | 2016 |
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| 13, Home Mead437 m away | 94 m² | 127 m² | +33 m² +35% | 2024 |
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| 20, Derwent Crescent974 m away | 100 m² | 133 m² | +33 m² +33% | 2022 |
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| Flat 14, Pond House, Lady Aylesford Avenue742 m away | 143 m² | 176 m² | +33 m² +23% | 2019 |
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| 51, Curzon Avenue963 m away | 80 m² | 113 m² | +33 m² +41% | 2018 |
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| 92, Bromefield668 m away | 136 m² | 169 m² | +33 m² +24% | 2017 |
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| 68, Felbridge Avenue981 m away | 73 m² | 105 m² | +32 m² +44% | 2023 |
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| 17, Belmont Lane112 m away | 79 m² | 111 m² | +32 m² +41% | 2019 |
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| 58, Lady Aylesford Avenue909 m away | 148 m² | 180 m² | +32 m² +22% | 2019 |
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| 41, Lady Aylesford Avenue890 m away | 58 m² | 90 m² | +32 m² +55% | 2014 |
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| 19, Wychwood Close791 m away | 107 m² | 138 m² | +31 m² +29% | 2023 |
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| 8, Lindeth Close410 m away | 74 m² | 105 m² | +31 m² +42% | 2021 |
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| 38, York Avenue850 m away | 89 m² | 120 m² | +31 m² +35% | 2021 |
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| 7, Grange Avenue980 m away | 82 m² | 113 m² | +31 m² +38% | 2016 |
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| 122, Marsh Lane684 m away | 87 m² | 117 m² | +30 m² +34% | 2024 |
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| 111, Uppingham Avenue736 m away | 84 m² | 114 m² | +30 m² +36% | 2024 |
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| 85a, Elm Park524 m away | 71 m² | 101 m² | +30 m² +42% | 2020 |
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| 43, Elm Park775 m away | 90 m² | 120 m² | +30 m² +33% | 2019 |
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| 3, Coledale Drive399 m away | 118 m² | 148 m² | +30 m² +25% | 2015 |
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| 21, Belmont Lane112 m away | 89 m² | 118 m² | +29 m² +33% | 2024 |
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| Flat 1, Bartholomew Court, Longcrofte Road748 m away | 103 m² | 132 m² | +29 m² +28% | 2021 |
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| 47, Old Church Lane354 m away | 145 m² | 174 m² | +29 m² +20% | 2020 |
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| 68, Kynance Gardens631 m away | 81 m² | 110 m² | +29 m² +36% | 2020 |
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| 5, Ventnor Avenue804 m away | 91 m² | 120 m² | +29 m² +32% | 2019 |
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| 34, Goodhall Close846 m away | 96 m² | 125 m² | +29 m² +30% | 2015 |
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| 12, Wetheral Drive635 m away | 80 m² | 108 m² | +28 m² +35% | 2022 |
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| 24, Ventnor Avenue777 m away | 86 m² | 114 m² | +28 m² +33% | 2017 |
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| 75, St Edmunds Drive844 m away | 85 m² | 113 m² | +28 m² +33% | 2015 |
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| 113, Bellamy Drive564 m away | 76 m² | 103 m² | +27 m² +36% | 2026 |
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| 74, Wetheral Drive789 m away | 110 m² | 137 m² | +27 m² +25% | 2026 |
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| 18, Goodhall Close846 m away | 100 m² | 127 m² | +27 m² +27% | 2026 |
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| 26, Merryfield Gardens888 m away | 71 m² | 98 m² | +27 m² +38% | 2025 |
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| 86, St Andrews Drive687 m away | 86 m² | 113 m² | +27 m² +31% | 2021 |
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| 42, Old Church Lane350 m away | 147 m² | 174 m² | +27 m² +18% | 2014 |
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| 5, Capuchin Close651 m away | 97 m² | 123 m² | +26 m² +27% | 2021 |
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| 22, Wychwood Close791 m away | 76 m² | 101 m² | +25 m² +33% | 2026 |
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| 57, Elm Park775 m away | 112 m² | 137 m² | +25 m² +22% | 2024 |
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| 28, Watersfield Way988 m away | 115 m² | 140 m² | +25 m² +22% | 2024 |
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| 56a, Silverston Way490 m away | 89 m² | 114 m² | +25 m² +28% | 2018 |
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| 34, Crowshott Avenue806 m away | 62 m² | 87 m² | +25 m² +40% | 2016 |
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| 5, Lyon Meade673 m away | 78 m² | 102 m² | +24 m² +31% | 2026 |
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| 70, Felbridge Avenue746 m away | 92 m² | 116 m² | +24 m² +26% | 2026 |
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| 23, The Seasons, September Way519 m away | 57 m² | 81 m² | +24 m² +42% | 2021 |
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| 32, Cheyneys Avenue995 m away | 76 m² | 100 m² | +24 m² +32% | 2020 |
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| 95, Wetheral Drive964 m away | 81 m² | 105 m² | +24 m² +30% | 2017 |
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| 78, Cheyneys Avenue975 m away | 72 m² | 96 m² | +24 m² +33% | 2016 |
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| 40, Glebe Road940 m away | 130 m² | 153 m² | +23 m² +18% | 2024 |
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| 47, Derwent Crescent959 m away | 91 m² | 114 m² | +23 m² +25% | 2022 |
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| 63, Crowshott Avenue857 m away | 90 m² | 113 m² | +23 m² +26% | 2017 |
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| 59, Wychwood Avenue765 m away | 110 m² | 133 m² | +23 m² +21% | 2013 |
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| 38, Bellamy Drive715 m away | 73 m² | 94 m² | +21 m² +29% | 2023 |
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| 8, Colman Court, Rosedale Close418 m away | 84 m² | 105 m² | +21 m² +25% | 2022 |
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| 4, St Edmunds Drive873 m away | 86 m² | 107 m² | +21 m² +24% | 2020 |
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| 40, Wetheral Drive635 m away | 75 m² | 96 m² | +21 m² +28% | 2017 |
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| 9, Capuchin Close651 m away | 89 m² | 109 m² | +20 m² +22% | 2025 |
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| 120, Wemborough Road338 m away | 115 m² | 135 m² | +20 m² +17% | 2023 |
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| 12, Cheyneys Avenue995 m away | 84 m² | 104 m² | +20 m² +24% | 2022 |
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| 21, Lyon Meade673 m away | 107 m² | 127 m² | +20 m² +19% | 2021 |
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| 7, Charlbury Avenue972 m away | 96 m² | 116 m² | +20 m² +21% | 2021 |
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| 27, Crowshott Avenue930 m away | 94 m² | 114 m² | +20 m² +21% | 2017 |
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| 9, Derwent Crescent959 m away | 92 m² | 112 m² | +20 m² +22% | 2016 |
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| 47, Kynance Gardens610 m away | 84 m² | 104 m² | +20 m² +24% | 2014 |
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| 79, Beatty Road662 m away | 83 m² | 103 m² | +20 m² +24% | 2014 |
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| 28, Gyles Park464 m away | 106 m² | 126 m² | +20 m² +19% | 2011 |
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| 20, Abercorn Road97 m away | 93 m² | 112 m² | +19 m² +20% | 2024 |
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| 9, Glebe Road937 m away | 68 m² | 87 m² | +19 m² +28% | 2024 |
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| 1, Madeleine Court, Letchworth Road951 m away | 72 m² | 91 m² | +19 m² +26% | 2023 |
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| 10, St Andrews Close922 m away | 113 m² | 132 m² | +19 m² +17% | 2014 |
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| 6, Abercorn Road97 m away | 94 m² | 113 m² | +19 m² +20% | 2013 |
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| 95, Belmont Lane169 m away | 109 m² | 127 m² | +18 m² +17% | 2024 |
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| 45, Bletchley Court, Letchworth Road979 m away | 67 m² | 85 m² | +18 m² +27% | 2024 |
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| 5, Brindley Court, Hitchin Lane931 m away | 49 m² | 67 m² | +18 m² +37% | 2023 |
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| 15, Clifton Avenue920 m away | 97 m² | 115 m² | +18 m² +19% | 2015 |
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| Flat 9, Holbein House, 60, Marsh Lane804 m away | 103 m² | 120 m² | +17 m² +17% | 2023 |
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| 34, Honister Gardens330 m away | 83 m² | 100 m² | +17 m² +20% | 2022 |
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| 30, Hermitage Way938 m away | 107 m² | 124 m² | +17 m² +16% | 2022 |
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| 7, Bernays Close555 m away | 69 m² | 86 m² | +17 m² +25% | 2020 |
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| 24, Derwent Crescent974 m away | 67 m² | 84 m² | +17 m² +25% | 2017 |
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| 11, Lemark Close770 m away | 106 m² | 123 m² | +17 m² +16% | 2016 |
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| 6, Cheyneys Avenue995 m away | 83 m² | 100 m² | +17 m² +20% | 2016 |
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| 53, The Seasons, September Way519 m away | 42 m² | 58 m² | +16 m² +38% | 2025 |
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| 118, Felbridge Avenue746 m away | 74 m² | 90 m² | +16 m² +22% | 2025 |
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| 75, Clement Court, Letchworth Road999 m away | 106 m² | 122 m² | +16 m² +15% | 2025 |
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| 35, York Avenue874 m away | 74 m² | 90 m² | +16 m² +22% | 2023 |
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| 49, Beauchamp Court, Hardwick Close974 m away | 85 m² | 101 m² | +16 m² +19% | 2023 |
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| 57, St Andrews Drive477 m away | 80 m² | 96 m² | +16 m² +20% | 2022 |
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| 4, Pickett Croft744 m away | 54 m² | 70 m² | +16 m² +30% | 2021 |
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| 43, Howberry Road880 m away | 106 m² | 122 m² | +16 m² +15% | 2021 |
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| 115, Wetheral Drive964 m away | 43 m² | 59 m² | +16 m² +37% | 2021 |
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| 10, Beech Tree Close928 m away | 72 m² | 88 m² | +16 m² +22% | 2015 |
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| 79, Kynance Gardens610 m away | 69 m² | 85 m² | +16 m² +23% | 2013 |
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| 38, Beatty Road662 m away | 87 m² | 103 m² | +16 m² +18% | 2009 |
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| 142, Cheyneys Avenue975 m away | 87 m² | 102 m² | +15 m² +17% | 2026 |
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| 306a, Whitchurch Lane901 m away | 38 m² | 53 m² | +15 m² +39% | 2025 |
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| 14a, Station Parade993 m away | 18 m² | 33 m² | +15 m² +83% | 2023 |
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| 2, Bellamy Court, Bellamy Drive539 m away | 57 m² | 72 m² | +15 m² +26% | 2021 |
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| 7, Amber House, Honeypot Lane738 m away | 75 m² | 90 m² | +15 m² +20% | 2019 |
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| 7, Haig Road752 m away | 70 m² | 85 m² | +15 m² +21% | 2016 |
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