Found 17 transactions going back to January 1997.
| Date | Price | Change | Percentage | Type | Tenure | |
|---|---|---|---|---|---|---|
| Flat 5b, Portman Mansions, Chiltern Street | ||||||
| 20 Dec 2004 | £ 720,000 | Flat/Maisonette | Leasehold | |||
| Flat 5e, Portman Mansions, Chiltern Street | ||||||
| 25 Oct 2007 | £ 1,300,000 | £ 370,000 | 39.8% (46.4% p.a.) | Flat/Maisonette | Leasehold | |
| 8 Dec 2006 | £ 930,000 | Flat/Maisonette | Leasehold | |||
| Flat 5f, Portman Mansions, Chiltern Street | ||||||
| 2 Mar 2020 | £ 3,750,000 | £ 1,800,000 | 92.3% (89.4% p.a.) | Flat/Maisonette | Leasehold | |
| 22 Feb 2019 | £ 1,950,000 | Flat/Maisonette | Leasehold | |||
| Flat 5g, Portman Mansions, Chiltern Street | ||||||
| 13 Aug 2014 | £ 2,250,000 | Flat/Maisonette | Leasehold | |||
| Flat 5h, Portman Mansions, Chiltern Street | ||||||
| 16 May 2003 | £ 650,000 | Flat/Maisonette | Leasehold | |||
| Flat 5k, Portman Mansions, Chiltern Street | ||||||
| 5 Nov 2021 | £ 2,000,000 | Flat/Maisonette | Leasehold | |||
| Flat 5l, Portman Mansions, Chiltern Street | ||||||
| 27 Apr 1998 | £ 405,000 | Flat/Maisonette | Leasehold | |||
| Flat 5m, Portman Mansions, Chiltern Street | ||||||
| 27 Aug 2015 | £ 2,250,000 | £ 1,725,000 | 328.6% (11.0% p.a.) | Flat/Maisonette | Leasehold | |
| 28 Sep 2001 | £ 525,000 | Flat/Maisonette | Leasehold | |||
| Flat 5n, Portman Mansions, Chiltern Street | ||||||
| 31 Jan 2002 | £ 615,000 | £ 335,000 | 119.6% (16.9% p.a.) | Flat/Maisonette | Leasehold | |
| 17 Jan 1997 | £ 280,000 | Flat/Maisonette | Leasehold | |||
| Penthouse 7, Portman Mansions, Chiltern Street | ||||||
| 16 Oct 2012 | £ 1,470,000 | £ 220,000 | 17.6% (6.7% p.a.) | Flat/Maisonette | Leasehold | |
| 13 Apr 2010 | £ 1,250,000 | £ 75,000 | 6.4% (2.3% p.a.) | Flat/Maisonette | Leasehold | |
| 2 Aug 2007 | £ 1,175,000 | Flat/Maisonette | Leasehold | |||
| Penthouse 9, Portman Mansions, Chiltern Street | ||||||
| 9 Aug 1999 | £ 355,000 | Flat/Maisonette | Leasehold | |||
