Defence Online

Type of document: Contract Notice
Country: United Kingdom

1. Title: MAIN TUNNEL-CIVILS – FRAMEWORK AGREEMENT – SHORT DEADLINE
2. Awarding Authority: Costain Limited (H7-Heathrow), GB. Web:
3. Contract type: Public works contract
4. Description: Repairs to concrete structure in the Main Bores and Side Bores of the specified location.
Combination of sealing of expansion joints, making good previous survey locations and areas of spalling.
There is a pdf given on the website given below to this publication that further explains the Subcontract Scope.
5. CPV Code(s): 45221200, 45221240, 45262330, 44113120, 45111240, 45232450, 45432112, 45232452, 45233291
6. NUTS code(s): UKI, UKI7, UKI75
7. Main site or location of works, main place of delivery or main place of performance: Delivery point: Heathrow Terminals and Buildings
Main Central Terminal Area Tunnel
8. Reference attributed by awarding authority: Supply chain ID: 395397-Heathrow H7-Costain
9. Estimated value of requirement: Estimated contract value (GBP) I: GBP 500k to 1m
10. CompeteFor response deadline 23.7.2025 (12:00).
11. Address to which they must be sent: Note: This is a CompeteFor opportunity. Opportunities may be with both public and private sector businesses. To apply, please click the following link to register on the CompeteFor portal Web:
12. Other information: Opportunity Method: Contract Opportunity
Opportunity Status: Open
Opportunity Type: Private Sector
Notice Type: Notice
Nature of Opportunity: Services
About the buyer’s selection process:
Supplier selection will be based a Value Scorecard assessment toolkit.
The Value Scorecard approach will facilitate the Contractor’s evaluation to understand the suitability of the tendering suppliers using variable weightings for categories, such as Technical capability, Heath & Safety, Quality, Environmental and Sustainability, People, Commercial, and Price.
All suppliers will be required to undergo Costain Supplier Onboarding, (Business Assurance), and due diligence checks as a precondition to any resultant selection for and award.
About the buyer:
Costain have secured the Framework with Heathrow as a Tier 1 Delivery Partner (Main Contractor) to deliver parts of H7 Main Project Partner (MPP) and Asset Replacement Project (ARP) programmes.
Estimated tender close date: 31/10/2025
Estimated contract award date: 19/12/2025
Estimated contract start date: 05/01/2026
Please visit the website above for documentation
TKR-2025716-EX-1849449