Contracts
A483 Llandeilo and Ffairfach Bypass Project
Welsh Government is procuring design development, statutory procedure support, and then detailed design and construction for the A483 Llandeilo and Ffairfach bypass. This is a phased contract starting with design, conditional on successful statutory procedures.
- ClosesNot stated
- Published21 August 2026
- Value£80m
- BuyerLlywodraeth Cymru / Welsh Government
- WhereA483 near Llandeilo and Ffairfach, Wales
- CategoryConstruction & building works
- RegionWales
You'll want to look if you're a large construction contractor or joint venture capable of delivering major highway infrastructure, with experience of design-build delivery and navigating Welsh planning procedures
Might not suit a small firm
- the contract itself is a large one
Possible incumbent
Ymgynghorwyr Seilo Cyf won NEC4 Project Management Services for the same A483 scheme in May 2026. Inferred from prior awards to this buyer, not confirmed.