Haven Dredging Ltd · Company 14295901
Active, accounts up to date·developer & consultant·Head office Harwich
Haven Dredging, a subsidiary of Harwich Haven Authority, offers Tiamat, an innovative hydrodynamic dredging solution. Developed to reduce the environmental impact and cost of maintenance dredging, Tiamat harnesses the power of tides and currents for a sustainable approach. The Tiamat system injects water into the sediment to dilute and mobilize it, then extracts the mixture and releases it into the water column where tidal currents transport it away.
This method minimizes disturbance to estuarine ecosystems, avoids the need for offshore sediment disposal, and significantly reduces greenhouse gas emissions by up to 90% compared to traditional methods. Founded on over 100 years of experience from Harwich Haven Authority, Haven Dredging provides environmentally friendly and cost-effective dredging solutions. The company has received recognition for its innovation, including a 'Highly Commended' award at the IP&E Awards 2023 for Material Handling Solution of the Year.
Harwich
Tiamat has been used as part of the Harwich Haven Authority's dredging strategy, complementing TSHD and small WIDs. It is expected to reduce GHG emissions by 65-95% and maintenance dredging costs by up to 50%.
Client · Harwich Haven Authority
Port of Felixstowe
Monitoring at the Port of Felixstowe has estimated that using Tiamat has a daily production rate of 23,500 m3/day (in-situ volume), comparable to a small to medium TSHD.
Client · Port of Felixstowe
Port of Felixstowe.
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Haven Dredging offers Tiamat, a cleaner, greener, cheaper, and more efficient method of dredging for port authorities and dredging companies. Their listed services include Marine & water engineering and Civil engineering.
Haven Dredging is registered at Harbour House, The Quay, Harwich, CO12 3HH, in East of England.
Haven Dredging states that it works across Nationwide.
Accounts filed for the year to 2025 report 2 employees, which places the company in the 1-9 employees band.
Companies House lists Haven Dredging as active, with accounts most recently made up to 2025-12-31.
Haven Dredging works in Infrastructure and Energy.
Haven Dredging was incorporated on 2022-08-15.
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