On the seabed and coast
We manage the seabed of England, Wales and Northern Ireland, including offshore energy, aggregates, and cables and pipelines. We also look after much of UK's foreshore.
Our brilliant places on the seabed and coast
On an increasingly busy seabed, we work closely with industry and stakeholders to help ensure the waters of England, Wales and Northern Ireland continue to be a brilliant place to invest. We also manage around half of the foreshore surrounding these areas.
Learn more about how we are unlocking potential to make best use of the UK’s world leading resources offshore as well as how we look after our foreshore.
2018 Marine Aggregates Capability & Portfolio Report
The Crown Estate owns almost all of the sand and gravel resources lying off of the coast of England, Wales and Northern Ireland and we award and manage commercial agreements for companies to extract it.
This document is designed to help planning officers in local authorities understand the contribution that marine aggregates can make, by identifying offshore sources and providing information on supply routes.Read more
Guide to an offshore wind farm
The Crown Estate and the Offshore Renewable Energy (ORE) Catapult have published an updated and extended version of the popular ‘A Guide to an Offshore Wind Farm’, to help a range of stakeholders and potential new market entrants understand how an offshore wind farm is built, operated and maintained.Read more
Marine Data Exchange Hackathon
We will be hosting our first ever Marine Data Exchange Hackathon on 29th March 2019. This hackathon will challenge participants to tell the story of the Marine Data Exchange through exciting and impactful data visualisations and infographics.Find out more
2019 development priorities for offshore wind
2018 saw strong foundations being laid for the future of the offshore wind sector and for our activities. Will Apps, Head of Energy Development, gives an update on our priorities for the new year.Read more
A sustainable future for offshore wind
The Offshore Wind Sector Deal represents a powerful vision for UK offshore wind, setting it on the path to deliver a significant and growing contribution to our national electricity needs, support the UK’s transition to a clean energy future and unlock opportunities for communities and businesses across the country as part of a flourishing domestic supply chain.Read more
Find out more
Visit our most used websites to learn more about what we do on the seabed.
Offshore wind electricity map
Explore our interactive map showing the current output of operational wind farms around England, Wales and Northern Ireland.
Marine aggregates information centre
Visit our comprehensive marine aggregates information centre, providing technical information and links to assist in specifying and using marine aggregates.
Marine data exchange
Access our information hub of survey data and reports collected by our offshore renewable and marine aggregates customers.