ProcuraAxisBeta
Sign inCreate Free Account
Home / Opportunities / Opportunity
PROCUREMENT OPPORTUNITY

London Overground Core Windrush Line Transmission Design and Build

Transport for London · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 2 Oct 2026, 21:06.

Opportunity overview

London Overground requires a contractor to upgrade the existing Transmission system installed on the Core Windrush Line. It is proposed that the successful contractor will undertake the both the design and build elements of the scheme. Further details will be provided within the MSQ documentation.

Classification

  • CPV45234120 — Urban railway works

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
WS2093401844
Main Procurement Category
works
Above Threshold
Yes
Status
planned

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

utilities

Communication

Future Notice Date
11 May 2026, 23:59

Amendments

Entry 1
Description
The procurement process was unavoidably delayed and therefore the dates for contracting have been updated. We are aiming to get the ITT docs out by mid May 2026.
Id
035304-2026

Lots and requirements

Entry 1
Id
1
Status
planned

Contract period

Starts
2 Nov 2026, 00:00
Ends
1 Jul 2028, 23:59

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
45234120
Description
Urban railway works

Delivery locations

Entry 1
Region
UKI
Country
GB
Country Name
United Kingdom

Planning and budget

Milestones

Entry 1
Id
engagement
Type
engagement
Description
On the 30th June 2025, the Railway Industry Supplier Qualification Scheme (RISQS) was used to identify potential contractors to shortlist for participation in the formal procurement process expected to commence in December 2025. In order to do that the following Railway Industry Commodity Classification List (RICCL) codes were selected were: B.C.2.1.6: Lineside Telephones / Commission + Design + Install + Overhaul B.C.2.2.1: Transmission Systems / Commission + Design + Install + Overhaul B.C.2.2.6: Telecomm Cabling (Data Cabling) / Commission + Design + Install + Overhaul B.C.2.2.7: Telecomm Cabling (Fibre) / Commission + Design + Install + Overhaul B.C.2.2.8: UPS / Commission + Design + Install + Overhaul Audit CDM Scope: CDM Principal Contractor AND CDM Principal Designer, Infrastructures: Network Rail, Regions Greater London RISQS identified 13 contractors with the ability to undertake the works identified by London Overground. Market engagement will commence with these suppliers only. Further information about RISQS can be found below https://www.find-tender.service.gov.uk/Notice/007184-2025 A market sounding questionnaire will be issued for the 13 Contractors to complete, submit and express an interest in formally participating with the tender process later in 2025 or early 2026.
Due
1 Oct 2025, 23:59
Status
scheduled

Documents

Entry 1
Id
035304-2026
Document Type
marketEngagementNotice
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Published
17 Apr 2026, 15:18
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
Transport for London
Id
GB-PPON-PHMT-6197-NWNZ

Identifier

Scheme
GB-PPON
Id
PHMT-6197-NWNZ

Address

Street Address
5 Endeavour Square
Locality
London
Postal Code
E20 1JN
Country
GB
Country Name
United Kingdom
Region
UKI41

Contact

Telephone
07545200481

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthorityCentralGovernment
Description
Public authority - central government

Recorded locations

  • Buyer location · London · UKI41 · E20 1JN · United Kingdom
  • Delivery location · UKI · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 035304-2026Preliminary market engagement notice on Find a Tender ·