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PROCUREMENT OPPORTUNITY

White Horse Reservoir (WHR) Independent Technical Advisor (ITA)

THAMES WATER UTILITIES LIMITED · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 20 Sept 2026, 07:40.

Opportunity overview

Thames Water Utilities Limited is undertaking Preliminary Market Engagement (PME) in relation to the proposed procurement of an Independent Technical Advisor (ITA) for the White Horse Reservoir (WHR) project. The purpose of this market engagement is to obtain feedback from the market to help inform the development of the requirement, including the proposed scope of services, commercial approach, procurement strategy, market capacity and capability, and key delivery considerations. The ITA is anticipated to provide independent technical, commercial, programme, risk and regulatory assurance services in support of the project's governance and delivery arrangements. The services are expected to cover both the Early Contractor Involvement (ECI) stage and the subsequent Delivery stage of the project. Feedback received through this engagement will be used to help shape the final procurement approach and supporting documentation for the proposed ITA appointment.For more information about this opportunity, please visit the Delta eSourcing portal at: https://www.delta-esourcing.com/tenders/UK-UK-Reading:-Advisory-and-consultative-engineering-services./47W66BK2KD To respond to this opportunity, please click here: https://www.delta-esourcing.com/respond/47W66BK2KD

Classification

  • CPV71318000 — Advisory and consultative engineering services
  • CPV71541000 — Construction project management services
  • CPV71621000 — Technical analysis or consultancy services
  • CPV72224000 — Project management consultancy services
  • CPV79411000 — General management consultancy services

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
2552
Main Procurement Category
services
Above Threshold
Yes
Status
planning

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

utilities

Lots and requirements

Entry 1
Id
1
Status
planning

Suitability

Sme
Yes

Contract period

Starts
1 Aug 2027, 01:00
Ends
1 Mar 2050, 23:59

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
71318000
Description
Advisory and consultative engineering services
Entry 2
Scheme
CPV
Id
71541000
Description
Construction project management services
Entry 3
Scheme
CPV
Id
71621000
Description
Technical analysis or consultancy services
Entry 4
Scheme
CPV
Id
72224000
Description
Project management consultancy services
Entry 5
Scheme
CPV
Id
79411000
Description
General management consultancy services

Delivery locations

Entry 1
Region
UKI
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKJ
Country
GB
Country Name
United Kingdom

Planning and budget

Milestones

Entry 1
Id
engagement
Type
engagement
Description
Access to Market Engagement Documentation Due to the commercially sensitive nature of the information to be shared, interested organisations will be required to enter into a Mutual Non-Disclosure Agreement (NDA) before participating in this market engagement exercise. Suppliers wishing to participate should register their interest via Delta eSourcing and access the Tenderbox using the following code: Tenderbox Access Code: 47W66BK2KD Within the Tenderbox, suppliers will be able to download the NDA and associated instructions. A fully executed NDA must be submitted via the Tenderbox no later than 12:00 noon on 25 September 2026. Only organisations that have submitted a fully executed NDA by the stated deadline will be provided with access to the detailed Market Briefing Pack and Market Sounding Questionnaire. A countersigned copy of the NDA will be issued alongside the Market Briefing Pack and Market Sounding Questionnaire. Participating organisations will be invited to review the information provided and submit feedback as part of this Preliminary Market Engagement exercise. Feedback received will be used to inform the development of the requirement, procurement strategy, commercial approach and procurement documentation. Participation in this market engagement exercise will not influence any future procurement process and does not constitute any commitment by Thames Water to commence a procurement or award a contract. For more information about this opportunity, please visit the Delta eSourcing portal at: https://www.delta-esourcing.com/tenders/UK-UK-Reading:-Advisory-and-consultative-engineering services./47W66BK2KD To respond to this opportunity, please click here: https://www.delta-esourcing.com/respond/47W66BK2KD
Due
11 Oct 2026, 00:59
Status
scheduled

Documents

Entry 1
Id
088653-2026
Document Type
marketEngagementNotice
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Published
18 Sept 2026, 12:30
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
THAMES WATER UTILITIES LIMITED
Id
GB-COH-02366661

Identifier

Scheme
GB-COH
Id
02366661

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PNQQ-4647-DTCV

Address

Street Address
Clearwater Court
Locality
Reading
Postal Code
RG1 8DB
Country
GB
Country Name
United Kingdom
Region
UKJ11

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
privateUtility
Description
Private utility

Recorded locations

  • Buyer location · Reading · UKJ11 · RG1 8DB · United Kingdom
  • Delivery location · UKI · United Kingdom
  • Delivery location · UKJ · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 088653-2026Preliminary market engagement notice on Find a Tender ·