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EOI for Celtic Sea Floating Offshore Wind Survey Programme


The Crown Estate is an independent commercial business, created by Act of Parliament to manage a portfolio of property, land and marine assets. Our portfolio spans Regent Street and St James’s in London, regional commercial assets, hundreds of thousands of acres of rural land and coastline, and the seabed surrounding England, Wales and Northern Ireland.

We are seeking expressions of interest from highly experienced and qualified firms wishing to bid for an opportunity to become the Turnkey Survey Contractor for an extensive programme of long-lead time and seasonal surveys in the Celtic Sea, the waters off South Wales and South West England. This survey work will be done to support accelerated delivery of projects awarded rights from our forthcoming floating wind leasing opportunity.

The Celtic Sea is a new geography for offshore wind of any kind, though is commercially important to other industries including fishing and subsea cables. Its marine environment contains many sensitive habitats and species, and the coastline is home to a number of national parks. Many of the areas bordering the Celtic Sea are rural, and where the natural beauty of the region sustains many livelihoods through tourism.

The scope of the survey programme is yet to be fully defined and is subject to engagement and consultation with market and marine stakeholders. However, we expect surveys could include collection of data relating to birds, marine mammals and site conditions. It is anticipated that survey work will commence later this year.

We are also particularly interested in working with firms with a base in South West England or Wales, and with a track record of engaging with local stakeholders.

Companies wishing to receive a Pre-Qualification Questionnaire as a precursor to being selected to bid for the Turnkey Survey Contractor tender can do so by contacting The Crown Estate via

To view the full EOI for this, please click here 

Expressions of interest should be submitted by COB on 8 April 2022 at the latest.

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