CPV subcategory

45251111: Construction work for nuclear reactors

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7
Contracts since 2023
4
Buyers
0
Ending in 18 months

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What 45251111 covers

CPV code 45251111 is "Construction work for nuclear reactors", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 7 UK public contracts since 2023, awarded by 4 buyers, most often UK Atomic Energy Authority and United Kingdom Fusion Energy. The typical contract was worth about £359m.

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UK public contracts since 2023

How buyers use 45251111

Contracts
7
Buyers
4
Typical value
£359m
Ending in 18 months
0

By year of award: 2023 0 · 2024 0 · 2025 4 · 2026 3. Figures as of 6 November 2026. Typical value is the median of single-supplier contracts with a published value (3).

Buyers using this code most

  1. UK Atomic Energy Authority4
  2. United Kingdom Fusion Energy1
  3. Great British Energy - Nuclear1
  4. London Borough Of Haringey1

Suppliers winning most often

  1. Amentum Clean Energy Limited4
  2. Altrad Babcock Limited3
  3. ATKINSREALIS UK Limited3
  4. DEMCON high-tech systems Enschede B.V.3
  5. Oxford Sigma Limited3
  6. 3 Sci Ltd2
  7. M5Tec LimitedSME2
  8. Frazer­-Nash Consultancy Limited2

Recent contracts under 45251111

ContractBuyerValueAwarded
DDP00662 - Thorp MASFE Mk2 Evaporator Cleaning 2022Sellafield Ltd£32kNov 20224 years ago

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More specific

Codes beneath 45251111

None. 45251111 is as specific as the vocabulary goes for construction work for nuclear reactors.

Questions

About CPV code 45251111

What is CPV code 45251111?

CPV code 45251111 is "Construction work for nuclear reactors", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 7 UK public contracts since 2023, awarded by 4 buyers, most often UK Atomic Energy Authority and United Kingdom Fusion Energy. The typical contract was worth about £359m.

Which codes sit above and below 45251111?

45251111 sits under 45000000 (Construction work), then 45200000 (Works for complete or part construction and civil engineering work), then 45250000 (Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry), then 45251000 (Construction works for power plants and heating plants), then 45251100 (Construction work for power plant), then 45251110 (Nuclear-power station construction work). It has no more specific codes beneath it.

Who wins contracts under CPV code 45251111?

The suppliers named most often on UK public contracts under 45251111 since 2023 are Amentum Clean Energy Limited (4), Altrad Babcock Limited (3), ATKINSREALIS UK Limited (3). 20 different suppliers have won work under this code.

How do I get alerts for tenders using CPV code 45251111?

Add 45251111 to a Tender Radar profile, with keywords that describe your work. Each weekday morning you get the new UK public sector notices that match, scored for fit. Because codes cover the codes beneath them, adding 45251111 also catches notices classified under its more specific codes.

How to cite this data

Tender Radar (2026) CPV code 45251111: Construction work for nuclear reactors [Dataset]. Professor AI. Available at: https://tender-radar.co.uk/cpv-codes/45251111-construction-work-for-nuclear-reactors (Accessed: 8 November 2026).

The figures change as notices are published, so the citation carries the date you read them.

Relative dates (such as “in 6 days”) count from 8 November 2026, when this page was built.

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