Upvote:1
Using this tool https://www.gov.uk/check-uk-visa/y and selecting βStateless or Refugeeβ for the nationality will give you the answer (which is that you need a visa).
Upvote:2
Assuming you hold a Travel Document Under the Convention of 1951, inputting your data into Timatic, the database used by airlines yields the following results:
United Kingdom - Destination Visa
Visa required.
You will need to apply for a Standard Visitor Visa.