Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
12 Months Ended
Jan. 31, 2021
May 17, 2021
Document And Entity Information    
Entity Registrant Name NAKED BRAND GROUP Ltd  
Entity Central Index Key 0001707919  
Document Type 20-F  
Document Period End Date Jan. 31, 2021  
Amendment Flag false  
Current Fiscal Year End Date --01-31  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   781,704,296
Document Fiscal Period Focus FY  
Document Fiscal Year Focus 2021  
Document Annual Report true  
Document Transition Report false  
Document Shell Company Report false