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Closed tender

HE0915 M4 Junction 17 Improvement Works

Details

Buyer
Wiltshire Council
Value
£21,600,000
Topic
Construction work for highways, roads
Published
10 October 2025
Submission
9 January 2026
Source
uk:find_a_tender

Tender description

Wiltshire Council are procuring a contract for the delivery of the M4 Junction 17 improvement works, with a view to awarding the contract in early spring 2026. Scope of Works The proposed scheme includes: • Installation of traffic signals on all roundabout approaches • Carriageway widening throughout the junction • Increasing the number of traffic lanes across the motorway bridges from two to three • Widening of the circulatory carriageway The successful contractor must be capable of working on the National Highways network and experienced in delivering complex highway infrastructure improvements. Delivery Phases (estimated) The contract will be delivered in two phases: • Phase 1 – Early Contractor Involvement (ECI): Spring 2026 – Autumn 2026 • Phase 2 – Construction: 2027 (subject to approval of the Full Business Case by the Department for Transport) Estimated Value • £27 million (including VAT)

Timeline

  1. Tender published10 October 2025
    Current notice
  2. Submission date9 January 2026

About the buyer

Wiltshire Council is a local authority serving Wiltshire, and buys through its own procurement team. Procurement follows the Procurement Act 2023, in force since February 2025. All contract opportunities are listed on the Supplying the South West portal, shared across councils in the region. Larger opportunities also appear on Find a Tender and Contracts Finder. Some contracts are awarded through frameworks the council runs itself, others through partners such as the Crown Commercial Service. Adult social care providers can join frameworks including the Flexible Framework, Good Lives Alliance and Living My Life through the same portal.

UK local government drives £140bn in annual procurement, led by social protection (£66.6bn) and education (£57.1bn).

Over the past 5 years, most of Wiltshire Council's contract awards have been in architectural and engineering services, construction work and IT services.

Relevant CPV codes

  • 45233100 · Construction work for highways, roads
  • 45233110 · Motorway construction works

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