Corporate Information And Statement Of Ifrs Compliance [Abstract]
| Concept | 
                                    
                                        2022-01-01 to 2022-12-31  | 
                            
                        
|---|---|
| Corporate information and statement of IFRS compliance [abstract] | |
| Name of reporting entity or other means of identification | 
                                        
                                             
                                                Non-Standard Finance plc
                                                
                                             
                                        
                                     | 
                                
                            
| Domicile of entity | 
                                        
                                             
                                                United Kingdom
                                                
                                             
                                        
                                     | 
                                
                            
| Legal form of entity | 
                                        
                                             
                                                public limited company
                                                
                                             
                                        
                                     | 
                                
                            
| Address of entity's registered office | 
                                        
                                             
                                                The Bothy, The Nostell Estate Yard, The Nostell Estate, Nostell, Wakefield, West Yorkshire, WF4 1AB.
                                                
                                             
                                        
                                     | 
                                
                            
| Description of nature of entity's operations and principal activities | 
                                        
                                             
                                                We provide unsecured credit to those who are unable or unwilling to borrow from mainstream lenders; we
                                                
                                             
                                        
                                     | 
                                
                            
| Name of ultimate parent of group | 
                                        
                                             
                                                Non-Standard Finance Plc
                                                
                                             
                                        
                                     |