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 HP13 6YA
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 |
|---|---|---|---|---|
| 14, Lucas Road400 m away | 334 m² | 604 m² | +270 m² +81% | 2018 |
| 4, Overleigh Court, Amersham Road484 m away | 103 m² | 242 m² | +139 m² +135% | 2015 |
| 274, Totteridge Road549 m away | 106 m² | 234 m² | +128 m² +121% | 2015 |
| The Cider Press, 37, London Road991 m away | 174 m² | 299 m² | +125 m² +72% | 2024 |
| 1, Rectory Avenue605 m away | 95 m² | 218 m² | +123 m² +129% | 2025 |
| 1, St Georges Close655 m away | 120 m² | 237 m² | +117 m² +98% | 2026 |
| 12, North Drive529 m away | 71 m² | 167 m² | +96 m² +135% | 2020 |
| 85, Hamilton Road737 m away | 160 m² | 250 m² | +90 m² +56% | 2020 |
| 7, Kingswood Place964 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.
| 93 m² |
| 177 m² |
| +84 m² +90% |
| 2025 |
| 2, Philip Road467 m away | 61 m² | 144 m² | +83 m² +136% | 2014 |
|---|
| 25, Rectory Avenue605 m away | 110 m² | 190 m² | +80 m² +73% | 2021 |
|---|
| 36, Amersham Hill Drive374 m away | 171 m² | 244 m² | +73 m² +43% | 2022 |
|---|
| 45, Hamilton Road814 m away | 108 m² | 180 m² | +72 m² +67% | 2018 |
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| 12a, Terry Road267 m away | 102 m² | 172 m² | +70 m² +69% | 2016 |
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| Dartington, The Greenway915 m away | 138 m² | 204 m² | +66 m² +48% | 2026 |
|---|
| 230, Hatters Lane793 m away | 85 m² | 150 m² | +65 m² +76% | 2019 |
|---|
| 6, Green Hill Close986 m away | 140 m² | 205 m² | +65 m² +46% | 2014 |
|---|
| Bellworthy, Lawsone Rise943 m away | 59 m² | 118 m² | +59 m² +100% | 2015 |
|---|
| 3, Totteridge Drive866 m away | 89 m² | 146 m² | +57 m² +64% | 2021 |
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| 28, Kingston Road444 m away | 90 m² | 147 m² | +57 m² +63% | 2014 |
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| 21, Hunt Road844 m away | 87 m² | 144 m² | +57 m² +66% | 2014 |
|---|
| Flat 8, Towers Lea, Conegra Road718 m away | 55 m² | 110 m² | +55 m² +100% | 2019 |
|---|
| 22, Queen Street624 m away | 82 m² | 136 m² | +54 m² +66% | 2022 |
|---|
| 43, Walton Drive692 m away | 101 m² | 154 m² | +53 m² +52% | 2015 |
|---|
| Hamilton House, Ridge Way835 m away | 242 m² | 294 m² | +52 m² +21% | 2024 |
|---|
| 13, Mayhew Crescent210 m away | 97 m² | 148 m² | +51 m² +53% | 2017 |
|---|
| 71, Cambridge Crescent807 m away | 82 m² | 130 m² | +48 m² +59% | 2014 |
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| 29, The Haystacks941 m away | 108 m² | 156 m² | +48 m² +44% | 2014 |
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| 39, Rowan Avenue255 m away | 71 m² | 118 m² | +47 m² +66% | 2016 |
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| 15, South Drive299 m away | 82 m² | 129 m² | +47 m² +57% | 2015 |
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| 38, Chippendale Close601 m away | 94 m² | 140 m² | +46 m² +49% | 2014 |
|---|
| 20, Underwood Road277 m away | 74 m² | 120 m² | +46 m² +62% | 2013 |
|---|
| 31, Hamilton Road814 m away | 157 m² | 201 m² | +44 m² +28% | 2022 |
|---|
| 11, Keens Close904 m away | 82 m² | 126 m² | +44 m² +54% | 2018 |
|---|
| 220, Totteridge Road428 m away | 100 m² | 143 m² | +43 m² +43% | 2024 |
|---|
| 6, Hazelbury Road891 m away | 72 m² | 115 m² | +43 m² +60% | 2024 |
|---|
| 26, Amersham Road488 m away | 256 m² | 298 m² | +42 m² +16% | 2026 |
|---|
| 42, Maybrook Gardens444 m away | 157 m² | 199 m² | +42 m² +27% | 2023 |
|---|
| 91, Totteridge Road631 m away | 77 m² | 119 m² | +42 m² +55% | 2018 |
|---|
| 2, Hollis Road859 m away | 90 m² | 132 m² | +42 m² +47% | 2016 |
|---|
| 65, Nicholas Gardens306 m away | 57 m² | 99 m² | +42 m² +74% | 2015 |
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| 219, Hatters Lane793 m away | 58 m² | 100 m² | +42 m² +72% | 2011 |
|---|
| 242, Totteridge Road549 m away | 77 m² | 118 m² | +41 m² +53% | 2019 |
|---|
| 20, Sussex Close493 m away | 94 m² | 134 m² | +40 m² +43% | 2024 |
|---|
| 265, Totteridge Road506 m away | 74 m² | 114 m² | +40 m² +54% | 2024 |
|---|
| 217, Hatters Lane793 m away | 66 m² | 106 m² | +40 m² +61% | 2024 |
|---|
| 17, St Georges Close655 m away | 84 m² | 124 m² | +40 m² +48% | 2015 |
|---|
| 270, Bowerdean Road142 m away | 80 m² | 120 m² | +40 m² +50% | 2013 |
|---|
| May House, The Greenway915 m away | 190 m² | 229 m² | +39 m² +21% | 2026 |
|---|
| 18, Priory Road1000 m away | 127 m² | 166 m² | +39 m² +31% | 2022 |
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| 7, The Quadrant807 m away | 81 m² | 120 m² | +39 m² +48% | 2013 |
|---|
| 173, Bowerdean Road279 m away | 71 m² | 108 m² | +37 m² +52% | 2025 |
|---|
| 58, Totteridge Drive592 m away | 80 m² | 117 m² | +37 m² +46% | 2025 |
|---|
| 115, Arnison Avenue771 m away | 92 m² | 129 m² | +37 m² +40% | 2021 |
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| 8, Hobart Road625 m away | 104 m² | 141 m² | +37 m² +36% | 2015 |
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| 52, Amersham Hill Drive374 m away | 154 m² | 190 m² | +36 m² +23% | 2023 |
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| 35, Rye View560 m away | 159 m² | 195 m² | +36 m² +23% | 2023 |
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| The Cedars, Foxhill Close846 m away | 110 m² | 146 m² | +36 m² +33% | 2021 |
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| 59, Amersham Road844 m away | 144 m² | 180 m² | +36 m² +25% | 2019 |
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| 25, Conegra Road639 m away | 82 m² | 118 m² | +36 m² +44% | 2017 |
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| 31, The Quadrant807 m away | 84 m² | 120 m² | +36 m² +43% | 2016 |
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| 57, Amersham Road844 m away | 98 m² | 133 m² | +35 m² +36% | 2019 |
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| 252, Totteridge Road549 m away | 90 m² | 125 m² | +35 m² +39% | 2014 |
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| 104, Walton Drive712 m away | 95 m² | 130 m² | +35 m² +37% | 2014 |
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| 49, Wheelers Park606 m away | 71 m² | 105 m² | +34 m² +48% | 2020 |
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| 133, Underwood Road0 m away | 73 m² | 106 m² | +33 m² +45% | 2026 |
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| 5, Chippendale Close608 m away | 105 m² | 138 m² | +33 m² +31% | 2025 |
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| 310, Totteridge Road666 m away | 205 m² | 237 m² | +32 m² +16% | 2025 |
|---|
| 54, Mayhew Crescent295 m away | 100 m² | 132 m² | +32 m² +32% | 2020 |
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| 168, Hicks Farm Rise930 m away | 95 m² | 127 m² | +32 m² +34% | 2016 |
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| 42, Amersham Hill Drive374 m away | 167 m² | 198 m² | +31 m² +19% | 2024 |
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| 6, Amersham Road476 m away | 156 m² | 187 m² | +31 m² +20% | 2024 |
|---|
| 1, Firs Close712 m away | 87 m² | 118 m² | +31 m² +36% | 2020 |
|---|
| 3, The Crescent501 m away | 80 m² | 110 m² | +30 m² +38% | 2024 |
|---|
| 6, Hardenwaye871 m away | 146 m² | 176 m² | +30 m² +21% | 2014 |
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| 13, New Drive503 m away | 94 m² | 123 m² | +29 m² +31% | 2024 |
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| 20, St Georges Close655 m away | 113 m² | 142 m² | +29 m² +26% | 2023 |
|---|
| 58, Geralds Road864 m away | 97 m² | 126 m² | +29 m² +30% | 2022 |
|---|
| 28, Linchfield641 m away | 45 m² | 74 m² | +29 m² +64% | 2016 |
|---|
| 106, Walton Drive712 m away | 77 m² | 105 m² | +28 m² +36% | 2016 |
|---|
| 116, Walton Drive712 m away | 86 m² | 114 m² | +28 m² +33% | 2016 |
|---|
| 11, Totteridge Avenue681 m away | 64 m² | 92 m² | +28 m² +44% | 2009 |
|---|
| 19, St Georges Close655 m away | 95 m² | 122 m² | +27 m² +28% | 2018 |
|---|
| 81, Walton Drive692 m away | 94 m² | 121 m² | +27 m² +29% | 2015 |
|---|
| 3, Malmers Well Road825 m away | 103 m² | 129 m² | +26 m² +25% | 2026 |
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| 80, Adelaide Road627 m away | 84 m² | 110 m² | +26 m² +31% | 2025 |
|---|
| 1, Hepplewhite Close80 m away | 84 m² | 110 m² | +26 m² +31% | 2024 |
|---|
| 28, Highworth Close926 m away | 107 m² | 133 m² | +26 m² +24% | 2021 |
|---|
| 3, Adelaide Road342 m away | 113 m² | 139 m² | +26 m² +23% | 2016 |
|---|
| 4, Amersham Hill Gardens568 m away | 163 m² | 189 m² | +26 m² +16% | 2014 |
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| 10, The Crescent501 m away | 108 m² | 132 m² | +24 m² +22% | 2024 |
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| 46, Amersham Hill Drive374 m away | 151 m² | 175 m² | +24 m² +16% | 2021 |
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| 13, Lady Verney Close939 m away | 85 m² | 109 m² | +24 m² +28% | 2020 |
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| 26, Colborne Road299 m away | 78 m² | 102 m² | +24 m² +31% | 2016 |
|---|
| 140, Bowerdean Road365 m away | 71 m² | 94 m² | +23 m² +32% | 2026 |
|---|
| 32, Saffron Road916 m away | 82 m² | 105 m² | +23 m² +28% | 2025 |
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| 134, Amersham Road954 m away | 79 m² | 102 m² | +23 m² +29% | 2022 |
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| 210, Hatters Lane863 m away | 67 m² | 90 m² | +23 m² +34% | 2021 |
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| 16, Mayhew Crescent210 m away | 88 m² | 111 m² | +23 m² +26% | 2016 |
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| 73, Hamilton Road814 m away | 139 m² | 162 m² | +23 m² +17% | 2016 |
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| 102, Walton Drive712 m away | 107 m² | 130 m² | +23 m² +21% | 2015 |
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| 49, Totteridge Drive754 m away | 58 m² | 80 m² | +22 m² +38% | 2022 |
|---|
| 3, New Drive503 m away | 62 m² | 84 m² | +22 m² +35% | 2020 |
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| 34, Rectory Avenue613 m away | 107 m² | 129 m² | +22 m² +21% | 2019 |
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| 161, Totteridge Road363 m away | 73 m² | 95 m² | +22 m² +30% | 2017 |
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| 25, Nicholas Gardens245 m away | 59 m² | 81 m² | +22 m² +37% | 2016 |
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| 14, Hillary Road663 m away | 89 m² | 111 m² | +22 m² +25% | 2014 |
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| 34, West Drive404 m away | 59 m² | 81 m² | +22 m² +37% | 2013 |
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| 32, Tadros Court985 m away | 128 m² | 150 m² | +22 m² +17% | 2012 |
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| 217, Totteridge Road404 m away | 72 m² | 93 m² | +21 m² +29% | 2026 |
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| 91, Queens Road901 m away | 87 m² | 108 m² | +21 m² +24% | 2025 |
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| 32, North Drive529 m away | 87 m² | 108 m² | +21 m² +24% | 2023 |
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| 76, Underwood Road0 m away | 73 m² | 94 m² | +21 m² +29% | 2017 |
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| 1, Hobart Road625 m away | 98 m² | 119 m² | +21 m² +21% | 2015 |
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| 10, Dunwood Rise948 m away | 57 m² | 78 m² | +21 m² +37% | 2015 |
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| 97, Windsor Drive677 m away | 36 m² | 57 m² | +21 m² +58% | 2014 |
|---|
| 33, Totteridge Avenue681 m away | 90 m² | 110 m² | +20 m² +22% | 2026 |
|---|
| 6, The Crescent501 m away | 92 m² | 112 m² | +20 m² +22% | 2025 |
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| 4, Hepplewhite Close80 m away | 80 m² | 100 m² | +20 m² +25% | 2024 |
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| 12, Maybrook Gardens444 m away | 78 m² | 98 m² | +20 m² +26% | 2022 |
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| 15, Nicholas Gardens245 m away | 56 m² | 76 m² | +20 m² +36% | 2016 |
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| 6, Stuart Road928 m away | 77 m² | 97 m² | +20 m² +26% | 2016 |
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| 9, Elora Road441 m away | 89 m² | 109 m² | +20 m² +22% | 2013 |
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| 126, Bowerdean Road600 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
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| 77, Amersham Road844 m away | 77 m² | 96 m² | +19 m² +25% | 2026 |
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| 56, Nicholas Gardens306 m away | 61 m² | 80 m² | +19 m² +31% | 2016 |
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| 22, Salisbury Road498 m away | 103 m² | 122 m² | +19 m² +18% | 2016 |
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| 29, Conegra Road639 m away | 83 m² | 102 m² | +19 m² +23% | 2015 |
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| Flat 7, Hillcrest, Shrubbery Road620 m away | 60 m² | 79 m² | +19 m² +32% | 2014 |
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| 87, Mayhew Crescent295 m away | 88 m² | 106 m² | +18 m² +20% | 2024 |
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| 15, Sussex Close493 m away | 80 m² | 98 m² | +18 m² +23% | 2024 |
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| 65a, Amersham Road844 m away | 22 m² | 40 m² | +18 m² +82% | 2024 |
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| 66, Totteridge Avenue708 m away | 92 m² | 110 m² | +18 m² +20% | 2020 |
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| 246, Totteridge Road549 m away | 89 m² | 107 m² | +18 m² +20% | 2018 |
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| Havenfield Court, Totteridge Road845 m away | 49 m² | 67 m² | +18 m² +37% | 2010 |
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| 72, Totteridge Drive592 m away | 79 m² | 96 m² | +17 m² +22% | 2022 |
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| 21, Hillview Road295 m away | 72 m² | 89 m² | +17 m² +24% | 2016 |
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| 17, Dunwood Rise948 m away | 70 m² | 87 m² | +17 m² +24% | 2015 |
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| 23, Underwood Road277 m away | 100 m² | 117 m² | +17 m² +17% | 2014 |
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| 32, Rectory Avenue613 m away | 87 m² | 104 m² | +17 m² +20% | 2013 |
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| 4, Rectory Avenue613 m away | 36 m² | 53 m² | +17 m² +47% | 2009 |
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| 65 - 69, London Road991 m away | 42 m² | 58 m² | +16 m² +38% | 2026 |
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| Flat 1, St. Bernards Court, Harlow Road982 m away | 51 m² | 67 m² | +16 m² +31% | 2024 |
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| 31, Rowan Avenue255 m away | 74 m² | 90 m² | +16 m² +22% | 2023 |
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| 31, Hillview Road295 m away | 80 m² | 96 m² | +16 m² +20% | 2022 |
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| 21, Denewood, Totteridge Road638 m away | 68 m² | 84 m² | +16 m² +24% | 2021 |
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| 21, Elora Road441 m away | 79 m² | 95 m² | +16 m² +20% | 2019 |
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| 10, Gordon Road819 m away | 84 m² | 100 m² | +16 m² +19% | 2019 |
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| 42, Lyndon Gardens692 m away | 96 m² | 112 m² | +16 m² +17% | 2015 |
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| 5, Edgecote House, Amersham Hill800 m away | 50 m² | 66 m² | +16 m² +32% | 2014 |
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| 100, Totteridge Road653 m away | 76 m² | 91 m² | +15 m² +20% | 2024 |
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| 4, Hollis Road859 m away | 92 m² | 107 m² | +15 m² +16% | 2022 |
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| 68, Linchfield609 m away | 44 m² | 59 m² | +15 m² +34% | 2020 |
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| 8, Healey Avenue525 m away | 73 m² | 88 m² | +15 m² +21% | 2015 |
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