Delivering Durable Sea Defence & Coastal Protection
Expert Sea Defence Contractors - Protecting UK Coastlines
As coastal erosion, storm surges and rising sea levels increasingly impact the UK’s shorelines, robust and reliable sea defence infrastructure has never been more crucial. At McGrath Civils, we specialise in delivering comprehensive sea, coastal and flood defence construction services to public and private clients across the UK. With more than 25 years of experience in civil engineering and marine construction, we understand the unique challenges presented by marine environments, from tidal operations to confined access and complex ground conditions.
Whether you are planning a new coastal defence installation, reinforcing existing sea walls or responding to urgent erosion risks, our team delivers solutions built for longevity, safety and environmental resilience.
To discuss a new sea defence or coastal defence project, contact us today for a no-obligation conversation about how the McGrath Civils team can help you.
Why Sea Defence Matters in Today's Climate
Our coastlines act as natural buffers between sea and land. However, without engineered protection, low-lying and developed coastal areas face significant risk from:
- Sea level rise and storm surges driving flooding inland
- Increased coastal erosion, undermining vulnerable structures and properties
- Aging defence infrastructure that requires repair or modernisation.
Through expertly designed and constructed sea defences, communities, infrastructure and commercial assets can be safeguarded against short-term weather events and long-term climate impacts.
Call us today on +44 (0)7717 014006, email us your contact information and a description of your project and required works to info@mcgrathcivilsltd.co.uk
or complete the form below
and a member of our team will be pleased to discuss your project in more detail, and arrange a site visit before preparing you a price estimate for the works.
Comprehensive Sea Defence Services We Offer
At McGrath Civils, we provide a full suite of sea defence and coastal protection services, tailored to each project’s scale and technical requirements. Our capabilities include:
- Sea wall construction & refurbishment: robust concrete and reinforced solutions to withstand wave energy and tidal forces.
- Sheet piling and capping beam installations: effective barriers ideal for high-load and marine conditions.
- Caisson repairs & marine concreting: essential structural rehabilitation to extend operational life.
- Harbour, marina & pier defence works: protecting marine infrastructure used by commercial and leisure vessels.
- Slipways, jetties and pontoon installations: integrated works that support marine access while providing protection.
All services are delivered with meticulous planning, robust quality control, and adherence to health & safety standards. We are experienced in managing tidal windows, restricted site access, and coordination with project stakeholders ranging from local authorities and engineers to private developers.
Experienced on Complex, High-Profile Projects
Our project portfolio includes vital sea defence and coastal resilience works such as:
- Reinforcing caisson walls at Brighton Marina: solving complex marine access and deep caisson challenges.
- Refurbishing heritage sea defence walls beneath waterfront residential structures in Shoreham, East Sussex.
These projects demonstrate our ability to integrate technical expertise with practical construction methodologies, delivering durable solutions even in demanding environments.
Collaborative, Client-Focused Approach
From initial consultation through project completion, McGrath Civils works collaboratively with:
- Local authorities and councils
- Infrastructure developers and civil engineers
- Project managers, design teams and contractors
We offer free, no-obligation consultations and competitive quotations for every enquiry. Our aim is to support informed decisions at the early planning stage and ensure smooth project delivery from start to finish.
Call us today on +44 (0)7717 014006, email us your contact information and a description of your project and required works to info@mcgrathcivilsltd.co.uk
or complete the form below and a member of our team will be pleased to discuss your project in more detail, and arrange a site visit before preparing you a price estimate for the works.
Why work with us?
Although headquartered in London, we deliver sea defence and coastal protection works throughout the UK, including the South East, East Coast and beyond.
Our national reach and regional experience mean we can mobilise quickly and efficiently to where your project needs us most.
Speak To Us Today To See How We Can Help You!
Complete This form
A member of the McGrath Civils new business team will contact you to discuss your new groundworks enquiry. We aim to respond within 4 business hours. If you would like to speak to us sooner, please call us.
