| Duffy | Mercy | Unplugged | 128 | — | — | — |
| Duffy | Mercy | Gareth Wyn Remix Edit** | 130 | Dance | Mercury | 2008 |
| Duffy | Mercy | Gareth Wyn Remix Edit* | 130 | — | Mercury | 2008 |
| Duffy | Mercy | — | 130 | — | Mercury | 2008 |
| Duffy | Mercy | Gareth Wyn Remix Edit | 130 | — | Mercury | 2008 |
| Duffy | Stepping Stone | — | 97 | Top 40 | Rough Trade/Mercury/Island Def Jam | 2008 |
| Duffy | Warwick Avenue | — | 85 | — | Rough Trade/Mercury/Island Def Jam | 2008 |
| Duffy | Well, Well, Well | — | 110 | Top 40 | Rough Trade/Mercury/Island Def Jam | 2010 |