Stale Pre-tender

prj_6641 - GBE-N Engineering Partner

Details

Topic
Architectural, construction, engineering and inspection services
Published
22 May 2026

Tender description

This work package encompasses the engineering capability to progress the concept design produced by the Foundation Engineer (FENG) at the end of RIBA Stage 2 and to continue the development of the design for site works through RIBA Stages 3 (Spatial Planning) and 4 (Technical Design) throughout the entire lifecycle of the Small Modular Reactor (SMR) project through to and inclusive of RIBA Stage 7 (Use). The Engineering Partner will also be required to undertake works associated with any additional RIBA Stages (from RIBA Stage 0 through to RIBA Stage 7) for any emerging scope that arises over the lifecycle of the SMR Project and will be required to support with the ongoing management of design change/control. The Engineering Partner contract is estimated to be valued between £200m - £400m *The positions and timelines presented are based on current information and assumptions. As programme maturity develops and further validation is undertaken, scope, dates, values and sequencing may change.*

Timeline

  1. Completed: Pre-tender published22 May 2026
    Current notice

About the buyer

Great British Energy - Nuclear is the UK government's nuclear delivery body, renamed from Great British Nuclear in June 2025. The body is an executive non-departmental public body sponsored by the Department for Energy Security and Net Zero. Awards have used the G-Cloud 14 and MCF4 frameworks run by the Government Commercial Agency. Published guidance sets out the competitive technology selection process for small modular reactors.

A commercial pipeline gives a forward look at potential commercial activity.

Over the past 5 years, most of Great British Energy - Nuclear's contract awards have been in business services, software and information systems and IT services.

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