Southampton Channel Deepening - The provision of dredging services at the Port of Southampton

• How the procedure runs: On 21st December 2025 , ABP published a UK3 Planned Procurement Notice (Notice identifier: 2025/S 000-085346) detailing an upcoming Competitive Flexible Procedure for The Provision of Dredging Services at the Port of Southampton. This UK4 Tender Notice highlights the launch of the Competitive Flexible Procedure for the above services. This Competitive Flexible Procedure is a two-stage process, starting with the Conditions of Participation Stage, followed by the Invitation to Tender stage. The first stage will be live until 06th February 2026 at 12:00 midday. Associated British Ports (ABP) is the UK's largest ports group with 21 ports across the UK, providing essential gateways for trade and enabling the green infrastructure essential for the UK's energy transition. ABP directly employs over 2,400 individuals across the UK and handle approximately a quarter of the country's seaborne trade. The Port of Southampton is largest UK export port and a critical gateway handling container, automotive, cruise, and bulks. ABP is looking to appoint a suitably qualified Principal Contractor to provide capital dredging services for proposed channel deepening works at the Port of Southampton and in the Nab Deep Water Channel. The works involve dredging for disposal at sea, and the relevant enabling activities including mitigation measures for the risk of marine UXO. The works will include dredging adjacent to an operational quay wall and in areas with buried pipelines for which the Contractor will be required to have the appropriate plant and equipment, and proven experience of similar scale works. The works are to be planned by the Contractor to avoid disruption to Port navigation traffic and quayside operations.

CPV: Dredging and pumping works

Procedure method

Competitive flexible procedure

Legal basis

UKPGA · 2023/54 Procurement Act 2023

Procurement category

Works

Notice status

Awarded

Procurement threshold

Above threshold (FTS publication)

Regulatory regime

Utilities

Commercial structure

Stand-alone contract (no framework)

Competition type

Competitive procedure

GPA / WTO covered

Unspecified in notice

Recurring procurement

Unspecified in notice

First published

22 Dec 2025, 12:08 GMT

Last source update

12 Aug 2026, 10:54 BST

Award evaluation window

Submission end – 30 Apr 2026

Authority reference

INF-SOT-25/1549

FTS notice number

2026/S 000-002310

Latest notice

Contract award notice (UK6)

Classification (CPV)

Dredging and pumping works

Delivery area

South East (UKJ32)

Official registry OCID

ocds-h6vhtk-05fb6b Find a Tender

How it runs

On 21st December 2025 , ABP published a UK3 Planned Procurement Notice (Notice identifier: 2025/S 000-085346) detailing an upcoming Competitive Flexible Procedure for The Provision of Dredging Services at the Port of Southampton.

This UK4 Tender Notice highlights the launch of the Competitive Flexible Procedure for the above services. This Competitive Flexible Procedure is a two-stage process, starting with the Conditions of Participation Stage, followed by the Invitation to Tender stage. The first stage will be live until 06th February 2026 at 12:00 midday.

Associated British Ports (ABP) is the UK's largest ports group with 21 ports across the UK, providing essential gateways for trade and enabling the green infrastructure essential for the UK's energy transition. ABP directly employs over 2,400 individuals across the UK and handle approximately a quarter of the country's seaborne trade. The Port of Southampton is largest UK export port and a critical gateway handling container, automotive, cruise, and bulks.

ABP is looking to appoint a suitably qualified Principal Contractor to provide capital dredging services for proposed channel deepening works at the Port of Southampton and in the Nab Deep Water Channel. The works involve dredging for disposal at sea, and the relevant enabling activities including mitigation measures for the risk of marine UXO. The works will include dredging adjacent to an operational quay wall and in areas with buried pipelines for which the Contractor will be required to have the appropriate plant and equipment, and proven experience of similar scale works. The works are to be planned by the Contractor to avoid disruption to Port navigation traffic and quayside operations.

Requests to participate (first stage)

6 Feb 2026, 12:00 GMT

Submission deadline

6 Feb 2026, 12:00 GMT

Submission channel

Official e-sourcing portal

Electronic submission

Allowed

Accepted languages

en

• BOSKALIS WESTMINSTER LIMITEDAwarded supplierGB-COH: 00745328GB-PPON: PGDP-7149-DYQN Westminster House, Crompton Way, Segensworth West, Fareham, South East, PO15 5SSContact emailShow contact details