PERMANENT AWARD EVIDENCE

Site Works

UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED · published 12 May 2026. This page preserves the identifiers and current held fields for one Contracts Finder release; it is not an invoice, performance assessment or complete contract history.

Contracts Finder release ID9b7c3108-e0da-44a2-ab1f-3628f38fdc2a-896719
Open Contracting ID (OCID)ocds-b5fd17-01b5fed9-dfa1-4015-8529-32f2d61f0034
Buyer identifierGB-SRS-sid4gov.cabinetoffice.gov.uk/thRP693t
Release typeaward
PUBLISHED COMMERCIAL FIELDS

Values stay separate.

A tender estimate and an award value answer different questions. Neither is treated as cash paid.

Award value
£1,000,000
award field
Tender value
£1,000,000
tender field
Procurement method
Call-off from a dynamic purchasing system
Category
works
CPV
45000000
Construction work
Delivery
North West, United Kingdom
No postcode
PUBLISHED DESCRIPTION

What the notice says

This contract has been awarded via further competition under the UKNNL NNLC484D - Operations, Site Work and Facilities Management Dynamic Purchasing System. Background UKNNL is the government's lead civil laboratory for nuclear fission. We provide the science, technology and world-leading laboratories to support the country's civil nuclear programmes and ensure they are delivered safely and cost-effectively. UKNNL is the custodians of national nuclear research, development, capabilities and infrastructure, with the value of the nuclear facilities we manage totalling £2bn. The Laboratory spans across the UK with a mixture of office and laboratory facilities. Our Laboratories are: - Workington Laboratory - Central Laboratory - Windscale Laboratory - Preston Laboratory It is these laboratories which need external supply chain support to be maintained, upgraded and repurposed. This contract is for the site works required to support these facilities in maintaining operation. This contract is for site works, up to a value of £1 million pounds. Contract Details The contract will run for 24 months, with the option to extend by up to 12 further months. This contract is to include works, such as: • Electrical Installation Works • Mechanical Installation Works • Process Installation Works • Decommissioning Works • Roofing and cladding works

Tender statuscomplete
STAGE-DATE LEDGER

Reported dates, without an invented lifecycle.

The current projection contains one award release, not a verified chain of planning, tender, award, contract and modification records. Dates are shown in source-field order and are not silently repaired.

  1. 01Notice publishedPublication timestamp on the held release12 May 2026
  2. 02Tender period endsTender-period field as published21 Apr 2026
  3. 03Contract startsContract-period field as published30 Apr 2026
  4. 04Contract endsContract-period field as published30 Apr 2028
SUPPLIER EVIDENCE

Published names and exact identifiers

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SOURCE

Contracts Finder release

Published 12 May 2026 · held through the daily award projection · Open Government Licence v3.0.

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