Contracts FinderCall-off contract
Published 12 May 2026

Contracts Finder notice

Authority: UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED

Call-off from a dynamic purchasing system
CPV: Construction work (45000000)
Published contract value£1,000,000Exc. VAT
Contract ends 30 Apr 2028
Awarded to Shepleys Engineers Limited
Contract starts 1 May 2026

What is being bought

Published requirement description

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

Published procurement details

Procedure
Call-off from a dynamic purchasing system
Buyer reference
NNLC706
Category
Works
Tender status
Complete
Award status
Active
Suitable for SMEs
Yes
Suitable for voluntary, community and social enterprises
No
Tender deadline
Procurement method
Selective
Item 1: Delivery locations as published
North West, United Kingdom

Key dates

Published dates
  1. Award decision
    27 Apr 2026
  2. Contract starts
    1 May 2026
  3. Notice published
    12 May 2026
  4. Contract ends
    30 Apr 2028

Contracting authority & participating public bodies

Suppliers named on the notice

  • Shepleys Engineers LimitedSupplier 3175 Century Way, Thrope Park, Leeds, LS15 8ZB
    Identifier
    02926871 · GB-COH
    Voluntary, community or social enterprise
    No
    Business size
    Large

Official documents & specifications (1)

Official links; attachments are not copied

Notices published for this procedure

Source record

Source
Contracts Finder
Notice language
en
Release reference
ocds-b5fd17-01b5fed9-dfa1-4015-8529-32f2d61f0034-2026-05-12T10:29:12+01:00
Published
12 May 2026
Latest update
12 May 2026
Procedure reference
ocds-b5fd17-01b5fed9-dfa1-4015-8529-32f2d61f0034
Contract reference
ocds-b5fd17-01b5fed9-dfa1-4015-8529-32f2d61f0034-1