Tender

WP3040 - H7 Renewals Steelwork

COSTAIN LIMITED (H7-HEATHROW)

This public procurement record has 1 release in its history.

Tender

24 Mar 2026 at 11:50

Tender Notice
Summary of the contracting process

Costain Limited (H7-Heathrow) is seeking a steelworks contractor for the WP3040 - H7 Renewals Steelwork project, categorised under structural steelworks and construction equipment, to take place in London, United Kingdom. This tender falls under the procurement stage, with the tender period closing on 6th April 2026. The contract is set to commence on 1st February 2027 and conclude by 30th June 2027. The task involves structural steel renewal and treatment in confined spaces such as the CTA Tunnel's undercroft, with a focus on circular economy practices. The tender's value ranges from £500,000 to £1,000,000 GBP, offering a significant opportunity for growth to participating businesses.

This procurement presents a lucrative opportunity primarily for SMEs and VCSEs that specialise in structural steelworks, construction machinery, and materials. Companies with expertise in confined space operations, steel treatment, and innovative recycling methods will be well-suited to compete for this tender. The project offers a chance for business expansion through engaging with structural renewal and processes promoting sustainability. Businesses competing for this tender will benefit from establishing a significant relationship with Costain Limited, a reputable player within the construction industry.

Find more tenders on our Open Data Platform.
How relevant is this notice?

Notice Information

Notice Title

WP3040 - H7 Renewals Steelwork

Notice Description

There is a requirement for a steelworks contractor as part of our H7 Renewals portfolio in the CTA Tunnel: Works will include: - Replacing steelwork - Corroded steelwork treatment - Along undercroft of the tunnel (confined/restricted space) - 5 & half tonne steel in undercroft - Propping side bore from undercroft, swapping out steel - Grouting of baseplates, removing steelwork out - Looking at circular economy/re-purposing steel

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-513f0f64-3744-42c0-98fb-a0d8e2b01e99
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/c32f01fc-e204-49a1-ac22-d2f794e55b7b
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
Tender Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Not Specified
Procurement Method Details
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

43 - Machinery for mining, quarrying, construction equipment

44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

45 - Construction work

CPV Codes

43300000 - Construction machinery and equipment

43320000 - Construction equipment

44000000 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

45223210 - Structural steelworks

45262400 - Structural steel erection work

Notice Value(s)

Tender Value
£1,000,000 £1M-£10M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
24 Mar 20261 weeks ago
Submission Deadline
6 Apr 20262 days to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
1 Feb 2027 - 30 Jun 2027 1-6 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Not Specified
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
COSTAIN LIMITED (H7-HEATHROW)
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
MAIDENHEAD
Postcode
SL6 4UB
Post Town
Slough
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ15 Berkshire East
Delivery Location
TLI London
Local Authority
Windsor and Maidenhead
Electoral Ward
Oldfield
Westminster Constituency
Maidenhead

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts. 

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-b5fd17-513f0f64-3744-42c0-98fb-a0d8e2b01e99-2026-03-24T11:50:05Z",
    "date": "2026-03-24T11:50:05Z",
    "ocid": "ocds-b5fd17-513f0f64-3744-42c0-98fb-a0d8e2b01e99",
    "language": "en",
    "initiationType": "tender",
    "tender": {
        "id": "C4N109606810",
        "title": "WP3040 - H7 Renewals Steelwork",
        "description": "There is a requirement for a steelworks contractor as part of our H7 Renewals portfolio in the CTA Tunnel: Works will include: - Replacing steelwork - Corroded steelwork treatment - Along undercroft of the tunnel (confined/restricted space) - 5 & half tonne steel in undercroft - Propping side bore from undercroft, swapping out steel - Grouting of baseplates, removing steelwork out - Looking at circular economy/re-purposing steel",
        "datePublished": "2026-03-24T11:50:05Z",
        "status": "active",
        "classification": {
            "scheme": "CPV",
            "id": "45223210",
            "description": "Structural steelworks"
        },
        "additionalClassifications": [
            {
                "id": "43320000",
                "scheme": "CPV",
                "description": "Construction equipment"
            },
            {
                "id": "45262400",
                "scheme": "CPV",
                "description": "Structural steel erection work"
            },
            {
                "id": "43300000",
                "scheme": "CPV",
                "description": "Construction machinery and equipment"
            },
            {
                "id": "44000000",
                "scheme": "CPV",
                "description": "Construction structures and materials; auxiliary products to construction (except electric apparatus)"
            }
        ],
        "items": [
            {
                "id": "1",
                "deliveryAddresses": [
                    {
                        "region": "London",
                        "countryName": "United Kingdom"
                    }
                ]
            }
        ],
        "minValue": {
            "amount": 500000,
            "currency": "GBP"
        },
        "value": {
            "amount": 1000000,
            "currency": "GBP"
        },
        "tenderPeriod": {
            "endDate": "2026-04-06T21:34:00+01:00"
        },
        "contractPeriod": {
            "startDate": "2027-02-01T00:00:00Z",
            "endDate": "2027-06-30T23:59:59+01:00"
        },
        "suitability": {
            "sme": true,
            "vcse": true
        },
        "mainProcurementCategory": "works",
        "documents": [
            {
                "id": "1",
                "documentType": "tenderNotice",
                "description": "Opportunity notice on Contracts Finder",
                "url": "https://www.contractsfinder.service.gov.uk/Notice/c32f01fc-e204-49a1-ac22-d2f794e55b7b",
                "datePublished": "2026-03-24T11:50:05Z",
                "format": "text/html",
                "language": "en"
            },
            {
                "id": "2",
                "documentType": "tenderNotice",
                "description": "Please follow this link to view the notice.",
                "url": "https://www.competefor.com/business/viewOpportunityDetailsSupplier.html?id=109606828"
            }
        ]
    },
    "parties": [
        {
            "id": "GB-CFS-271218",
            "name": "Costain Limited (H7-Heathrow)",
            "identifier": {
                "legalName": "Costain Limited (H7-Heathrow)"
            },
            "address": {
                "streetAddress": "Costain House Vanwall Road",
                "locality": "Maidenhead",
                "postalCode": "SL64UB",
                "countryName": "UK"
            },
            "contactPoint": {
                "name": "Teik Tan",
                "email": "teik.tan@costain.com",
                "telephone": "+447901130091"
            },
            "roles": [
                "buyer"
            ]
        }
    ],
    "buyer": {
        "id": "GB-CFS-271218",
        "name": "Costain Limited (H7-Heathrow)"
    }
}