We use some essential cookies to make this website work.
We鈥檇 like to set additional cookies to understand how you use 188体育, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
The waters between Ireland and the UK were once covered by a huge ice sheet comparable in size to the glaciers found today in Antarctica
First published during the 2022 to 2024 Sunak Conservative government
An assessment of the 2017 hydrographic survey
The UKHO's Annual Report and Accounts for 2019 to 2020
First published during the 2019 to 2022 Johnson Conservative government
An assessment of the 2014 hydrographic survey.
An assessment of the 2019 hydrographic survey
An assessment of the 2023 hydrographic survey
The UKHO's Annual Report and Accounts for 2019 to 2020 is available to view and download
UK Hydrographic Office, with support from government partners, working with 17 Commonwealth states to support the safe and sustainable use of our oceans
Don鈥檛 include personal or financial information like your National Insurance number or credit card details.
To help us improve 188体育, we鈥檇 like to know more about your visit today. .