Source: https://tendernation.io/opportunities/01a13be6-20c4-70f2-a5ae-78a6460cae47/l3l4-substation-works closed GB open procedure # L3/L4 Substation works [Science Museum Group](https://tendernation.io/buyers/science-museum-group) Estimated value £170,000 Published 19 Aug 2026 Deadline Closed 8 Sept 2026 ## Who can bid - Below-threshold contract Buyers cannot shortlist bidders on suitability before tenders are in, so everyone gets to submit a bid (except some larger works contracts). [Procurement Act 2023, section 85](https://www.legislation.gov.uk/ukpga/2023/54/section/85) - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender SMG wishes to award a contract for the provision of L3/L4 Substation Upgrade Works (DSS04) at the Science and Innovation Park, Hackpen Lane, Wroughton, Swindon. The Agreement concerns below threshold works comprising the replacement and upgrade of DSS04 transformer and associated substation compliance works. Please see Section 3: Specification for further information about this requirement. ## CPV classification Substation construction work Electrical installation work of transformers Source Find a Tender (UK) · Notice ocds-h6vhtk-06da16-2026-08-19T15:33:55+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-06da16-2026-08-19T15:33:55+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Science Museum Group: past awards and live tenders](https://tendernation.io/buyers/science-museum-group) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Building Minor Works · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9087-7003-bd47-df7bc19d7ff7/building-minor-works) [DGT Helipad Design and Construction · Dartford and Gravesham NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15408-969e-7140-a307-fe72fa7128be/dgt-helipad-design-and-construction) [Boiler Replacement Programme · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9933-7015-97a0-37aa8d57c009/boiler-replacement-programme) [Construction of the Chiropractic Car Park, Treforest Campus · University of South Wales · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a15408-a995-70e5-b8b1-7c6a14e2e878/construction-of-the-chiropractic-car-park-treforest-campus) [Boiler chemical and Softener Services · Maidstone and Tunbridge Wells NHS Trust · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a1539a-d092-736b-88d2-6bdc251cddb6/boiler-chemical-and-softener-services)