--- title: "S-Stock Passenger Seat Upgrade" ocid: "ocds-h6vhtk-04fba0" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04fba0" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-04fba0.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-04fba0.json" source: "Find A Tender Service" current_stage: "Tender" buyer: "TRANSPORT FOR LONDON" published: "2026-05-15" --- # S-Stock Passenger Seat Upgrade Buyer: TRANSPORT FOR LONDON Current stage: Tender OCID: ocds-h6vhtk-04fba0 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04fba0) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-04fba0.json) ## Summary Transport for London (TfL), operating from 5 Endeavour Square, London, is currently in the tender stage for a substantial procurement project titled "S-Stock Passenger Seat Upgrade." This initiative is part of the public undertaking and focuses on the design, manufacture, and supply of approximately 61,140 seats for the S-Stock trains on the London Underground, serving key lines such as the Metropolitan, District, Hammersmith and City, and Circle Lines. The procurement process utilizes a selective method termed "Competitive flexible procedure," and involves multiple stages including Conditions of Participation, Initial Tenders, Negotiation, and Best and Final Offer. Interested suppliers need to express their interest by both email and registration on TfL's SAP Ariba system by 22nd June 2026. The project, valued at £7.2 million gross, is scheduled for award by 5th March 2027, with a contract period starting from 26th March 2027 to 25th March 2030, extendable by 24 months if necessary. This tender presents numerous business expansion opportunities, particularly for companies specialising in transport equipment, seating solutions, and reconditioning services. With a focus on high-quality technical solutions, project management, commercial viability, and social value, the competition is ideally suited for firms capable of meeting these criteria. Small and medium enterprises (SMEs) are encouraged to participate, as the procurement process is open to entities providing innovative seat design and manufacturing expertise. The project's scale and the London location provide an attractive setting for businesses looking to solidify their foothold in the UK’s transport sector, promising significant future engagement with TfL. ## Notice TfL are procuring the design, manufacture and supply of circa 61,140 seats for the 'S-Stock' trains. The S-Stock fleet of trains comprises of the following lines on London Underground: - Metropolitan Line; - District Line; - Hammersmith and City Line; and - Circle Line. This contract for an estimated duration of 3 years with an option to extend for up to 24 months. In total there is a nominal 193 trains consisting of two variants, 'S8' (59 trains circa 360 seats each) and 'S7' (133 trains circa 304 seats each). ### Lot Information Lot 1 Options: There is an option in the proposed contract for storage facilities to meet the needs of TfL. Renewal: It may be prudent to extend the contract by up to 24 months to allow for risks (known and unknown) to the project. ### Planning Information A supplier event will be held in due course. Interested organisations are advised to express their interest in attending the event, please contact lynettegatsi@tfl.gov.uk This activity is focusing on the market, rather than the merits of individual suppliers. It includes no element of supplier selection or bid evaluation. There is no commitment of any kind inferred by either party. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/045144-2026 | | Notice type | UK4 - Tender Notice | | Procurement type | Standard | | Procurement category | Goods | | Procurement method | Selective | | Procurement method details | Competitive flexible procedure | | Tender suitability | SME | | Awardee scale | Not specified | | All stages | Planning, Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 15 May 2026 | | Submission deadline | Not specified | | Future notice date | 7 Sep 2025 | | Award date | Not specified | | Contract period | 26 Mar 2027 - 25 Mar 2030 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £6,000,000 | | Lots value | £6,000,000 | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Active | | Lots status | Active | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | TRANSPORT FOR LONDON | | Additional buyers | LONDON UNDERGROUND LIMITED | | Locality | LONDON | | Post town | East London | | Postcode | E20 1JN | | Country | England | | ITL 1 | TLI London | | ITL 2 | TLI4 Inner London - East | | ITL 3 | TLI41 Hackney and Newham | | Local authority | Newham | | Electoral ward | Stratford Olympic Park | | Westminster constituency | Stratford and Bow | | Delivery location | TLI London | ## CPV Codes ### Divisions - 33 - Medical equipments, pharmaceuticals and personal care products - 34 - Transport equipment and auxiliary products to transportation - 39 - Furniture (incl. office furniture), furnishings, domestic appliances (excl. lighting) and cleaning products - 50 - Repair and maintenance services ### Codes - 33193223 - Wheelchair seats - 34631300 - Rolling-stock seats - 39110000 - Seats, chairs and related products, and associated parts - 50224100 - Reconditioning services of rolling stock seats ## Release History - 15 May 2026 at 20:14 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/045144-2026 - 23 May 2025 at 12:21 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/026316-2025 - 25 Apr 2025 at 14:22 - PlanningUpdate - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/017097-2025 - 1 Apr 2025 at 16:06 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/012374-2025 ## Documents - https://www.find-tender.service.gov.uk/Notice/045144-2026 15th May 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/026316-2025 23rd May 2025 - Pipeline notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/017097-2025 25th April 2025 - Preliminary market engagement notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/012374-2025 1st April 2025 - Preliminary market engagement notice on Find a Tender ## Notice URLs - https://service.ariba.com/Supplier.aw - https://support.ariba.com/Adapt/Ariba_Network_Supplier_Training - https://www.legislation.gov.uk/ukpga/2023/54/contents ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04fba0. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-04fba0.json.