AwardedAwarded 2 October 2025
Trawsfynydd Reactor Buildings Height Reduction
Nuclear Restoration Services Limited · Local or regional public body
In brief
Nuclear Restoration Services Limited awarded construction and building maintenance work to Costain Ltd on 2 October 2025.
Built from the notice's own fields. Always check the official notice before you bid.
What the notice says
Partial demolition of the two reactor buildings, reducing their overall height , together with an extensive package of civil new build and remedial works.
Who won
| Winner | Value | Dates |
|---|---|---|
| Costain Ltd (SME) 3 bids received | £71,813,292 |
Values as the award notice gives them, excluding VAT where stated.
Timeline
- Contract award notice · notice 062969-2025
About the buyer
Nuclear Restoration Services LimitedLast 12 months
Procurements
380Awards
304Suppliers it has used most for construction
- Caithness Scaffolding Contractors Limited4 contracts
- JGC Engineering and Technical Services4 contracts
- John Gunn & Sons Ltd4 contracts
- Mona Lifting Ltd3 contracts
- AJ Engineering & Construction Services Ltd2 contracts
Similar open tenders
All open construction tenders- £600kframework ceiling
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- £2.5mestimated
From notice 062969-2025 on Find a Tender, first published 7 October 2025. We last checked for changes on 28 September 2026.