Source: https://tendernation.io/opportunities/01a13cf6-965c-71db-bfd6-e481e16b198c/main-tunnel-cladding closedGBopen procedure # Main tunnel cladding. [Costain Limited (H7-Heathrow)](https://tendernation.io/buyers/costain-limited-h7-heathrow) Estimated value £30,000,000 Published 22 Mar 2024 Deadline Closed 12 Apr 2024 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Re - cladding of the main entrance tunnels & side bores @ Heathrow Airport. Materials will be Promat cladding boards with a finish yet to be decided. Metal framework supporting the cladding boards is to a design by SAS. Not envisaged to be a Contractor designed package at this juncture. However input into the design will be required. Approximate area is 13,000m2. The "Early Works" opportunity previously advertised is excluded from this opportunity & will not form part of. ## CPV classification Cladding works Source Contracts Finder (UK) · Notice e282b56d-326a-4497-8968-3baa9b76897b [View official notice ](https://www.contractsfinder.service.gov.uk/notice/e282b56d-326a-4497-8968-3baa9b76897b) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free ](/register) [Buyer profileCostain Limited (H7-Heathrow): past awards and live tenders](https://tendernation.io/buyers/costain-limited-h7-heathrow)[SectorMore Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Gwelliannau i / Improvement works to the ‘Materials Recovery Facility’ (MRF) Ystâd Ddiwydiannol Cibyn, Caernarfon, Gwynedd, LL55 2BD Cyngor Gwynedd 55 days left 10 Dec 2026](https://tendernation.io/opportunities/01a145df-0f49-7002-8294-fee17b4b2429/gwelliannau-i-improvement-works-to-the-materials-recovery-facility-mrf-yst)[Internal refurbishment of office building, College of Policing Ryton College of Policing Limited 21 days left 6 Nov 2026](https://tendernation.io/opportunities/01a14571-3264-70ac-b47e-53d4d47c39bd/internal-refurbishment-of-office-building-college-of-policing-ryton)[NDC0130-26 - Installation of Replacement LED Lighting - Greenlanes North Devon District Council 28 days left 13 Nov 2026](https://tendernation.io/opportunities/01a14571-3605-73e4-a82d-39df6bb2e4f2/ndc0130-26-installation-of-replacement-led-lighting-greenlanes)[CA18576 - Electrical Maintenance. 4 Year Opportunity New College Swindon 34 days left 19 Nov 2026](https://tendernation.io/opportunities/01a1458c-9ef1-72d0-83ac-b95edf2163c7/ca18576-electrical-maintenance-4-year-opportunity)[Electrical Maintenance. 4 Year Opportunity New College Swindon 34 days left 19 Nov 2026](https://tendernation.io/opportunities/01a14571-3744-7068-975c-bbafa5217467/electrical-maintenance-4-year-opportunity)[Rooftop Solar PV O&M Framework 2027 West Sussex County Council 28 days left 13 Nov 2026](https://tendernation.io/opportunities/01a1451e-c38a-70c2-b40d-bef4d791169f/rooftop-solar-pv-om-framework-2027)