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PROCUREMENT OPPORTUNITY

Clayton Locos Maintenance & Service

Sellafield Limited · Contract details notice on Find a Tender

Tender information last checkedLast checked 25 Sept 2026, 09:51.

Opportunity overview

To deliver all preventive, corrective, and technical support activities necessary to maintain the three locomotives in a safe, reliable, and operational condition. This includes: • Scheduled preventive maintenance • Annual (12 month) servicing • Fault diagnosis and repairs • Software and control system support • Provision of spares, documentation, and technical reporting

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

Clayton Locomotives Ltd

Matched by exact name
Contract value
£477.2k
Awarded
Not supplied
Contract signed
29 Jul 2026
Including VAT
£572.6k
Award ID
2
Status
active
Identifier
GB-PPON PPGP-4929-GRHR
Location
Burton-on-Trent, UKG24, DE14 2WF, United Kingdom

Classification

No classification was supplied.

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
C16370
Status
complete
Procurement Method
direct
Procurement Method Details
Direct award
Why this procedure was chosen
The locomotives are bespoke assets designed and manufactured by Clayton Locomotives Ltd (formerly Clayton Equipment Ltd), a specialist locomotive builder, and were procured by Sellafield Limited in 2021. These locomotives are used to support all value streams across the Sellafield site and are critical operational assets. Clayton Locomotives retains exclusive ownership of the Intellectual Property software controlling the locomotives’ operation. Due to the integration of this software with the locomotives, and the absence of third parties with access to the necessary Intellectual Property, only the original manufacturer is capable of providing safe and compliant maintenance and support services.

Legal basis

Id
2023/54
Scheme
UKPGA

Procedure reasons

Entry 1
Id
singleSuppliersIntellectualPropertyExclusiveRights

Lots and requirements

Entry 1
Id
1
Status
complete

Published documents

Entry 1
Id
conflictOfInterest
Document Type
conflictOfInterest
Description
Not published

Buyer, suppliers and contacts

Organisation 1
Name
Sellafield Limited
Id
GB-PPON-PWYP-8439-MZWY

Identifier

Scheme
GB-PPON
Id
PWYP-8439-MZWY

Address

Street Address
Hinton House, Birchwood Park Avenue
Locality
Warrington
Postal Code
WA3 6GR
Country
GB
Country Name
United Kingdom
Region
UKD61

Contact

Name
Lara Heskett

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthoritySubCentralGovernment
Description
Public authority - sub-central government
Organisation 2
Name
Clayton Locomotives Ltd
Id
GB-PPON-PPGP-4929-GRHR

Identifier

Scheme
GB-PPON
Id
PPGP-4929-GRHR

Address

Street Address
Second Avenue, Centrum 100 Business Park
Locality
Burton-on-Trent
Postal Code
DE14 2WF
Country
GB
Country Name
United Kingdom
Region
UKG24

Contact

Telephone
+44 (0) 1283 524470

Roles

supplier

Details

Scale
sme
Vcse
No
Public Service Mission Organization
No
Sheltered Workshop
No

Award information

Award 1
Id
2
Status
active
Main Procurement Category
services

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
72212140
Description
Railway traffic control software development services

Delivery locations

Entry 1
Region
UKD11
Country
GB
Country Name
United Kingdom

Suppliers

Supplier 1
Id
GB-PPON-PPGP-4929-GRHR
Name
Clayton Locomotives Ltd

Related lots

1

Contracts and changes

Entry 1
Id
2
Award ID
2
Title
Clayton Locos Maintenance & Service
Status
active
Above Threshold
Yes
Date Signed
30 Jul 2026, 00:00
No Agreed Metrics Rationale
As this is a service contract with fixed pricing, a set of SLA's have been set in the scope.

Period

Starts
17 Aug 2026, 00:00
Ends
16 Aug 2030, 23:59

Value

Including VAT
572,622.4
Amount
477,185.33
Currency
GBP

Documents

Entry 1
Id
081744-2026
Document Type
contractNotice
Notice Type
UK7
Description
Contract details notice on Find a Tender
Published
27 Aug 2026, 13:14
Format
text/html

Recorded locations

  • Buyer location · Warrington · UKD61 · WA3 6GR · United Kingdom

Notice and amendment history

3 published notice versions reviewed by ProcuraAxis.

3 VERSIONS
  1. 064341-2026Transparency notice on Find a Tender ·
  2. 066369-2026Contract award notice on Find a Tender ·
  3. 081744-2026Contract details notice on Find a Tender ·