| 11 Apr 2025 | 1, FLAT 7, OBSERVATORY GARDENS | Flat | Leasehold | £710,000 |
| 21 Feb 2025 | 13, FLAT 1, OBSERVATORY GARDENS | Flat | Leasehold | £1,505,000 |
| 15 Aug 2024 | 13, FLAT 6, OBSERVATORY GARDENS | Flat | Leasehold | £1,950,000 |
| 9 Aug 2024 | 13, FLAT 2, OBSERVATORY GARDENS | Flat | Leasehold | £635,000 |
| 11 Jun 2024 | 11, FIRST FLOOR FLAT 4, OBSERVATORY GARDENS | Flat | Leasehold | £4,600,000 |
| 9 Jun 2023 | 11, FLAT 12, OBSERVATORY GARDENS | Flat | Leasehold | £2,350,000 |
| 2 Sep 2022 | 1 - 12, CAR PARKING SPACE 50, OBSERVATORY GARDENS | Other | Leasehold | £2,760,000 |
| 2 Sep 2022 | 5A, FLAT 8, OBSERVATORY GARDENS | Other | Leasehold | £2,760,000 |
| 14 Apr 2022 | 1, FLAT 5, OBSERVATORY GARDENS | Flat | Leasehold | £2,075,000 |
| 25 Oct 2021 | 1, FLAT 2, OBSERVATORY GARDENS | Flat | Leasehold | £1,622,000 |
| 21 Sep 2021 | 5, FLAT 3, OBSERVATORY GARDENS | Flat | Leasehold | £2,500,000 |
| 7 May 2019 | 10, FLAT 8, OBSERVATORY GARDENS | Flat | Leasehold | £2,800,000 |
| 1 Feb 2019 | 2, FLAT 3, OBSERVATORY GARDENS | Flat | Leasehold | £2,612,000 |
| 14 Dec 2018 | 10, 9, OBSERVATORY GARDENS | Flat | Leasehold | £1,950,000 |
| 14 Feb 2018 | 3, FLAT 4, OBSERVATORY GARDENS | Flat | Leasehold | £2,890,000 |
| 9 Dec 2016 | 1, FLAT 3, OBSERVATORY GARDENS | Flat | Leasehold | £1,820,000 |
| 2 Sep 2016 | 5, FLAT 7, OBSERVATORY GARDENS | Flat | Leasehold | £2,400,000 |
| 29 Jul 2016 | 3, FLAT 4, OBSERVATORY GARDENS | Flat | Leasehold | £1,980,000 |
| 22 Feb 2016 | 2, FLAT 1, OBSERVATORY GARDENS | Flat | Leasehold | £601,400 |
| 18 Sep 2015 | 1, FLAT 2, OBSERVATORY GARDENS | Flat | Leasehold | £1,550,000 |
| 10 Feb 2014 | 13, FLAT 2, OBSERVATORY GARDENS | Flat | Leasehold | £720,000 |
| 23 Jan 2014 | 3, FLAT 8, OBSERVATORY GARDENS | Flat | Leasehold | £2,707,000 |
| 14 Nov 2013 | 11, FLAT 11, OBSERVATORY GARDENS | Flat | Leasehold | £3,115,000 |
| 10 Mar 2010 | 1, FLAT 3, OBSERVATORY GARDENS | Flat | Leasehold | £1,700,000 |
| 12 Aug 2008 | 1, FLAT 7, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £550,000 |
| 16 May 2008 | 5, FLAT 5, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,120,000 |
| 18 Sep 2007 | 11, FLAT 11, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,800,000 |
| 8 Dec 2006 | 1, FLAT 5, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,105,000 |
| 22 Mar 2005 | 7, FLAT 6, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £620,000 |
| 1 Dec 2004 | 2, FLAT 5, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £560,000 |
| 2 Jun 2004 | 2, FLAT 1, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £260,400 |
| 31 Mar 2004 | 1, FLAT 5, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £725,000 |
| 25 Oct 2002 | 7, FLAT 6, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £595,000 |
| 26 Sep 2002 | 3, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,500,000 |
| 10 Jul 2002 | 5A, FLAT 6, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £750,000 |
| 30 Apr 2002 | 3, FLAT 8, OBSERVATORY GARDENS | Flat | Leasehold | £1,035,000 |
| 24 Apr 2002 | 13, FLAT 7, OBSERVATORY GARDENS | Flat | Leasehold | £640,000 |
| 16 Apr 2002 | 10, FLAT 6, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,800,000 |
| 4 Oct 2001 | 2, FLAT 2, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,495,000 |
| 28 Sep 2001 | 3, FLAT 6, OBSERVATORY GARDENS | Flat | Leasehold | £662,000 |
| 31 Aug 2001 | 10, 9, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £730,000 |
| 31 May 2001 | 2, FLAT 1, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £195,000 |
| 30 May 2001 | 5, FLAT 3, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £965,000 |
| 20 Mar 2001 | 1, FLAT 3, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £467,484 |
| 20 Feb 2001 | 2, FLAT 5, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £480,000 |
| 10 Oct 2000 | 8, OBSERVATORY GARDENS | Flat | Leasehold | £855,000 |
| 24 Feb 2000 | 13, FLAT 3, OBSERVATORY GARDENS | Flat | Leasehold | £665,000 |
| 9 Feb 2000 | 6, OBSERVATORY GARDENS | Flat | Leasehold | £350,000 |
| 9 Feb 2000 | 1, FLAT 7, OBSERVATORY GARDENS | Flat | Leasehold | £250,000 |
| 9 Feb 2000 | 1, FLAT 3, OBSERVATORY GARDENS | Flat | Leasehold | £450,000 |
| 21 Dec 1999 | 13, FLAT 1, OBSERVATORY GARDENS | Flat | Leasehold | £555,000 |
| 3 Sep 1999 | 13, FLAT 7, OBSERVATORY GARDENS | Flat | Leasehold | £487,000 |
| 25 Aug 1999 | 11, FIRST FLOOR FLAT 4, OBSERVATORY GARDENS | Flat | Leasehold | £2,325,000 |
| 1 Jun 1999 | 7, FLAT 4, OBSERVATORY GARDENS | Flat | Leasehold | £580,000 |
| 8 Oct 1998 | 9, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,000,000 |
| 30 Sep 1997 | 13, FLAT 3, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £675,000 |
| 9 Dec 1996 | 13, FLAT 1, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £445,000 |
| 4 Nov 1996 | 6, FLAT 7, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,270,000 |
| 25 Oct 1996 | 13, FLAT 7, OBSERVATORY GARDENS | Flat | Leasehold | £450,000 |
| 8 Oct 1996 | 13, FLAT 2, OBSERVATORY GARDENS | Flat | Leasehold | £150,000 |
| 3 Oct 1996 | 7, FLAT 4, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £490,000 |
| 2 Sep 1996 | 10, FLAT 10, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £545,000 |
| 14 Aug 1996 | 6, FLAT 2, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £700,000 |
| 13 Aug 1996 | 9, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £880,000 |
| 22 Jul 1996 | 7, FLAT 7, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £760,000 |
| 17 Jun 1996 | 7, FLAT 4, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £550,000 |
| 11 Jun 1996 | 10, 9, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £510,000 |
| 7 Jun 1996 | 11, FLAT 12, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £770,000 |
| 5 Jun 1996 | 11, FLAT 11, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £705,000 |
| 22 May 1996 | 7, FLAT 6, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £300,000 |
| 10 May 1996 | 10, FLAT 8, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £830,000 |
| 25 Jan 1996 | 10, FLAT 7, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £790,000 |
| 29 Nov 1995 | 11, FIRST FLOOR FLAT 4, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £1,650,000 |
| 8 Nov 1995 | 9 - 10, FLAT 5, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £870,000 |
| 23 Mar 1995 | 2, FLAT 5, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £270,000 |
| 23 Mar 1995 | 3, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £940,000 |
| 23 Mar 1995 | 3, FLAT 4, OBSERVATORY GARDENS | Flat | Leasehold | £525,000 |
| 23 Mar 1995 | 3, FLAT 8, OBSERVATORY GARDENS | Flat | Leasehold | £610,000 |
| 23 Mar 1995 | 2, FLAT 2, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £730,000 |
| 23 Mar 1995 | 3, FLAT 6, OBSERVATORY GARDENS | Flat | Leasehold | £350,000 |
| 23 Mar 1995 | 8, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £600,000 |
| 23 Mar 1995 | 2, FLAT 1, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £150,000 |
| 23 Mar 1995 | 2, FLAT 3, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £525,000 |
| 27 Feb 1995 | 10, FLAT 1, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £400,000 |
| 23 Jan 1995 | 8, FLAT 3, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £760,000 |
| 23 Jan 1995 | 8, FLAT 3A, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £398,000 |
| 23 Jan 1995 | 8, FLAT 1, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £739,000 |
| 23 Jan 1995 | 8, FLAT 5, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £404,000 |
| 23 Jan 1995 | 8, FLAT 2, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £532,000 |
| 23 Jan 1995 | 8, FLAT 6, OBSERVATORY GARDENS, LONDON | Flat | Leasehold | £367,000 |