| Flat 14, Northumberland Court Northumberland Avenue | Flat or maisonette | 60 m² | Aug 2025 | £70,000 | £1,170 | E |
| Flat 27, Northumberland Court Northumberland Avenue | Flat or maisonette | 45 m² | Oct 2024 | £97,000 | £2,160 | E |
| Flat 29, Northumberland Court Northumberland Avenue | Flat or maisonette | 54 m² | Nov 2023 | £135,000 | £2,500 | D |
| Flat 22, Northumberland Court Northumberland Avenue | Flat or maisonette | 54 m² | Jun 2022 | £170,000 | £3,150 | D |
| Flat 4, Northumberland Court Northumberland Avenue | Flat or maisonette | 78 m² | Oct 2021 | £120,000 | £1,540 | E |
| Flat 25, Northumberland Court Northumberland Avenue | Flat or maisonette | 69 m² | Sep 2021 | £190,000 | £2,750 | D |
| Flat 8, Northumberland Court Northumberland Avenue | Flat or maisonette | 53 m² | Aug 2021 | £65,000 | £1,230 | E |
| Flat 19, Northumberland Court Northumberland Avenue | Flat or maisonette | 101 m² | Dec 2020 | £260,000 | £2,570 | E |
| Flat 1, Northumberland Court Northumberland Avenue | Flat or maisonette | 30 m² | Mar 2020 | £47,000 | £1,570 | G |
| Flat 35, Northumberland Court Northumberland Avenue | Flat or maisonette | 67 m² | Dec 2019 | £105,000 | £1,570 | E |
| Flat 6, Northumberland Court Northumberland Avenue | Flat or maisonette | 73 m² | Sep 2019 | £135,000 | £1,850 | D |
| Penthouse 2, Northumberland Court Northumberland Avenue | Flat or maisonette | — | Nov 2018 | £255,000 | — | — |
| Flat 30, Northumberland Court Northumberland Avenue | Flat or maisonette | 54 m² | Mar 2018 | £173,000 | £3,200 | E |
| Flat D, Northumberland Court Northumberland Avenue | Flat or maisonette | 77 m² | Nov 2017 | £112,500 | £1,460 | C |
| Flat 17, Northumberland Court Northumberland Avenue | Flat or maisonette | 48 m² | Sep 2017 | £115,500 | £2,410 | D |
| Flat 15, Northumberland Court Northumberland Avenue | Flat or maisonette | 69 m² | Aug 2017 | £185,000 | £2,680 | F |
| Flat 9, Northumberland Court Northumberland Avenue | Flat or maisonette | 79 m² | Jan 2017 | £210,000 | £2,660 | E |
| Flat 20, Northumberland Court Northumberland Avenue | Flat or maisonette | 40 m² | Oct 2016 | £150,000 | £3,750 | C |
| Flat 33, Northumberland Court Northumberland Avenue | Flat or maisonette | 67 m² | Sep 2016 | £112,000 | £1,670 | D |
| Flat 24, Northumberland Court Northumberland Avenue | Flat or maisonette | 69 m² | Aug 2016 | £100,000 | £1,450 | F |
| Flat 26, Northumberland Court Northumberland Avenue | Flat or maisonette | 44 m² | Mar 2016 | £98,500 | £2,240 | E |
| Flat 34, Northumberland Court Northumberland Avenue | Flat or maisonette | — | Dec 2015 | £142,500 | — | — |
| Flat 36, Northumberland Court Northumberland Avenue | Flat or maisonette | 52 m² | Nov 2015 | £105,000 | £2,020 | F |
| Flat 18, Northumberland Court Northumberland Avenue | Flat or maisonette | 46 m² | Dec 2014 | £97,500 | £2,120 | E |
| Flat 3, Northumberland Court Northumberland Avenue | Flat or maisonette | 63 m² | Oct 2014 | £124,000 | £1,970 | C |
| Flat 11, Northumberland Court Northumberland Avenue | Flat or maisonette | 55 m² | Oct 2014 | £100,000 | £1,820 | E |
| Flat 7, Northumberland Court Northumberland Avenue | Flat or maisonette | 45 m² | Dec 2013 | £76,000 | £1,690 | D |
| Flat 2, Northumberland Court Northumberland Avenue | Flat or maisonette | 60 m² | Aug 2013 | £65,000 | £1,080 | E |
| Flat 32, Northumberland Court Northumberland Avenue | Flat or maisonette | 58 m² | Feb 2010 | £80,000 | £1,380 | D |
| Flat 31, Northumberland Court Northumberland Avenue | Flat or maisonette | 54 m² | Nov 2009 | £105,000 | £1,940 | E |
| Flat 21, Northumberland Court Northumberland Avenue | Flat or maisonette | — | Jan 2008 | £118,000 | — | — |
| Flat C, Northumberland Court Northumberland Avenue | Flat or maisonette | 101 m² | May 2006 | £124,000 | £1,230 | E |
| Flat 28, Northumberland Court Northumberland Avenue | Flat or maisonette | 77 m² | Apr 2006 | £100,000 | £1,300 | D |
| Flat 37, Northumberland Court Northumberland Avenue | Flat or maisonette | 34 m² | Oct 2004 | £77,500 | £2,280 | D |
| Flat A, Northumberland Court Northumberland Avenue | Flat or maisonette | — | Sep 2004 | £83,000 | — | — |
| Flat B, Northumberland Court Northumberland Avenue | Flat or maisonette | — | Sep 2004 | £83,000 | — | — |
| Flat 10, Northumberland Court Northumberland Avenue | Flat or maisonette | 56 m² | Apr 2004 | £127,500 | £2,280 | D |
| Flat 23, Northumberland Court Northumberland Avenue | Flat or maisonette | 60 m² | Oct 2002 | £57,000 | £950 | E |
| Flat 12, Northumberland Court Northumberland Avenue | Flat or maisonette | 56 m² | Aug 1999 | £40,250 | £720 | D |