--- title: "Greener Whitchurch Flood Alleviation Scheme Construction - Preliminary Market Engagement Notice" ocid: "ocds-h6vhtk-05cd54" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05cd54" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05cd54.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05cd54.json" source: "Find A Tender Service" current_stage: "Planning" buyer: "CARDIFF COUNCIL" published: "2025-10-15" --- # Greener Whitchurch Flood Alleviation Scheme Construction - Preliminary Market Engagement Notice Buyer: CARDIFF COUNCIL Current stage: Planning OCID: ocds-h6vhtk-05cd54 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05cd54) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05cd54.json) ## Summary Cardiff Council is initiating a procurement process for the "Greener Whitchurch Flood Alleviation Scheme Construction," currently in the planning stage. The project is located in Cardiff, UK, under the industry category of construction work. A preliminary market engagement notice has been published for this significant works project, priced at £15 million, which aims to address flood risks in the Whitchurch Brook catchment. Interested suppliers should note the deadline for expressions of interest as Friday, 7th November 2025, with an online briefing scheduled for 14th November 2025. The full invitation to tender documents are anticipated to be issued by Q3 of 2026, contingent upon funding approvals from internal sources and the Welsh Government. This tender provides significant opportunities for businesses in the construction sector, particularly those experienced in large-scale infrastructure projects dealing with water management and flood alleviation. Small and medium enterprises (SMEs) and voluntary, community, and social enterprises (VCSEs) are specifically encouraged to participate. Companies with capabilities in stakeholder engagement, traffic management, and utility operations are well-suited to this tender, which also involves the construction of rain gardens, flood walls, embankments, and highway improvements. Competing for this contract could lead to substantial business growth and strengthen market presence in the public works domain. ## Notice The Ordinary Watercourse known as the Whitchurch Brook flows through the centre of Whitchurch and has been identified by CCC as one of four Ordinary Watercourses in Cardiff posing a significant flood risk to the city. The brook flows from Thornhill south through Whitchurch for approximately 2.5km with its lower 0.85km length from Heol Gabriel culverted until its outfall at the River Taff. There are extensive examples of fluvial and surface water flooding across the Whitchurch Brook catchment, and this flood alleviation scheme consists of: * Discharge of Pre Commencement Planning Conditions * Production of documents to gain Ordinary Watercourse Consent Approval * Construction of Rain Gardens * Remedial Works to Caedelyn Park attenuation basin * Construction of watercourse flood walls * Construction of flood embankments * Highway improvements * Interaction with Utilities * Significant stakeholder engagement * Significant Traffic Management * Liaison with client project team The Client is seeking to appoint a preferred contractor, based on a set of performance specifications and briefing documents (Client Scope). At this stage the final RIBA Stage 4 designs are to be further appraised and developed and the project is subject to funding confirmation. The main objective of this PME is to determine market engagement and understand the markets appetite, capacity and capability to deliver large scale flood alleviation schemes. Contract Value and Programme This scheme is subject to the approval of internal and external (The Welsh Government) funding applications. The Full ITT documents are proposed to be issued Q3 2026. Market Engagement Process Interested suppliers are invited to: Attend an online briefing at 10am on 14th November. A maximum of 2 members per organisation will be permitted to attend. Please submit the name and email address of the people you would like to attend the online supplier briefing through the messages tab on the Proactis Portal. Submit expressions of interest via the Proactis Portal by 12:00:00 (noon) on Friday 7th November 2025. ### Planning Information How to Respond Responses and queries should be submitted through the Proactis portal: Proactis – Supplier Network. Reference: ERFX1008705 Deadline for Responses: 12:00:00 (noon) on Friday 7th November 2025 ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/065603-2025 | | Notice type | UK2 - Preliminary Market Engagement Notice | | Procurement type | Standard | | Procurement category | Works | | Procurement method | Not Specified | | Procurement method details | Not specified | | Tender suitability | SME, VCSE | | Awardee scale | Not specified | | All stages | Planning | ## Dates | Field | Value | | --- | --- | | Publication date | 15 Oct 2025 | | Submission deadline | Not specified | | Future notice date | 1 Oct 2026 | | Award date | Not specified | | Contract period | 1 Jan 2027 - 1 Jan 2027 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £15,000,000 | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Planning | | Lots status | Planning | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | CARDIFF COUNCIL | | Locality | CARDIFF | | Post town | Cardiff | | Postcode | CF10 4UW | | Country | Wales | | ITL 1 | TLL Wales | | ITL 2 | TLL5 South East Wales | | ITL 3 | TLL52 Cardiff and Vale of Glamorgan | | Local authority | Cardiff | | Electoral ward | Butetown | | Westminster constituency | Cardiff South and Penarth | | Delivery location | TLL22 Cardiff and Vale of Glamorgan | ## CPV Codes ### Divisions - 45 - Construction work ### Codes - 45000000 - Construction work ## Release History - 15 Oct 2025 at 13:03 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/065603-2025 ## Documents - https://www.find-tender.service.gov.uk/Notice/065603-2025 15th October 2025 - Preliminary market engagement notice on Find a Tender ## Notice URLs - http://www.cardiff.gov.uk - 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-05cd54. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05cd54.json.