| Peak | Song | Entered | Wks | Annual |
|---|---|---|---|---|
| 1 | Time to Say Goodbye (Con te partirò) with Andrea Bocelli | 18 Mar 1997 | 13 | 1997 #7 |
| 5 | I Lost My Heart to a Starship Trooper with the hot rumor | 31 Dec 1978 | 12 | – |
| 12 | A Question of Honour | 9 Jan 1996 | 5 | – |
| 15 | Pie Jesu with Paul Miles-Kingston | 21 Apr 1985 | 4 | – |
| 25 | The Phantom of the Opera with Steve Hurley | 9 Feb 1986 | 2 | – |
| 28 | All I Ask of You with Cliff Richard | 26 Oct 1986 | 1 | – |