XML 32 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Document and Entity Information
 12 Months Ended
Dec. 31, 2020
shares
Document Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2020
Document Fiscal Year Focus 2020
Document Fiscal Period Focus FY
Trading Symbol NCNA
Entity Registrant Name NUCANA PLC
Entity Central Index Key 0001709626
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Current Reporting Status Yes
Entity Voluntary Filers No
Entity Filer Category Accelerated Filer
Entity Common Stock, Shares Outstanding 51,174,545
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Shell Company false
Entity Interactive Data Current Yes
Title of 12(b) Security American Depositary Shares, each representing one Ordinary Share, nominal value £0.04 per share
Security Exchange Name NASDAQ
Entity File Number 001-38215
Entity Incorporation, State or Country Code X0
Entity Address, Address Line One NuCana plc
Entity Address, Address Line Two 3 Lochside Way
Entity Address, City or Town Edinburgh
Entity Address, Country GB
Document Annual Report true
Document Transition Report false
Entity Address, Postal Zip Code EH12 9DT
Document Accounting Standard International Financial Reporting Standards
Document Registration Statement false
Document Shell Company Report false
ICFR Auditor Attestation Flag false
Business Contact  
Document Information [Line Items]  
Contact Personnel Name Hugh S. Griffith
Entity Address, Address Line One NuCana plc
Entity Address, Address Line Two 3 Lochside Way
Entity Address, City or Town Edinburgh
Entity Address, Country GB
Local Phone Number 3571111
City Area Code 131
Entity Address, Postal Zip Code EH12 9DT