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AwardedAwarded 25 February 2025

102203 Mill Hill Tertiary Connection & SGT Replacement

National Grid Electricity Transmission plc · Private utility

In brief

National Grid Electricity Transmission plc awarded construction work to Bam Nuttall Limited on 25 February 2025.

Built from the notice's own fields. Always check the official notice before you bid.

What the notice says

This contract relates to the delivery of works and related services at Mill Hill Substation (the "Works"). The Works were previously allocated to Gunning Transmission & Distribution Services Limited - in Administration ("GTDS"). GTDS went into administration on Friday 16 January 2026 and is unable to progress or complete delivery of the Works. As a consequence, National Grid has had to move at significant pace to appoint a replacement contractor for the Works, to progress critical path activities, maintain (as far as practicable) the programme for the works, and satisfy regulatory, customer and other commitments. The Works contribute to the ongoing expansion of the electricity transmission network, delivering essential upgrades to the grid to support the UK's move away from fossil fuels and increased clean energy generation. Various other projects are also being re-allocated to other contractors for similar reasons, while the delivery of further works (previously allocated to GTDS) is being supported by National Grid's existing framework contractors

Who won

WinnerValueDates
Bam Nuttall Limited£5,500,000
Awarded 25 February 2025

Values as the award notice gives them, excluding VAT where stated.

Timeline

  1. Transparency notice · UK5, notice 016853-2026
  2. Contract award notice · UK6, notice 016889-2026

Last time this was bought

100760 Landulph Tertiary Connection

Awarded
29 January 2026
Value
£9,500,000

Matched on National Grid Electricity Transmission plc, the type of work and the title; it may be a related contract rather than the same one. Check the notice to be sure.

About the buyer

National Grid Electricity Transmission plcLast 12 months

Procurements

14

Awards

5

Suppliers it has used most for construction

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From notice 016853-2026 on Find a Tender, first published 25 February 2026, last updated 25 February 2026. We last checked for changes on 28 September 2026.