What we do

The UK Hydrographic Office (UKHO) produces nautical publications and services for the Royal Navy and merchant shipping, to protect lives at sea.

UKHO is an executive agency, sponsored by the Ministry of Defence.

Read more about what we do

Our management

    Contact UKHO

    UK Hydrographic Office

    Admiralty Way



    Taunton
    Somerset
    TA1 2DN

    Radio navigational warnings

    Archives and research

    Vertical Offshore Reference Frame (VORF)

    Copyright and licensing

    Cartographic Training

    Make an FOI request

    1. Read about the Freedom of Information (FOI) Act and how to make a request
    2. Check our previous releases to see if we’ve already answered your question
    3. Make a new request by contacting us at:

    Freedom of Information Requests

    Customer Services
    UK Hydrographic Office
    Admiralty Way
    Taunton
    Somerset

    TA1 2DN

    Also to be used for Environmental Information requests

    High profile groups within UKHO

    Corporate information

    Read our policy on Social media use. Find out About our services.