--- title: "Sustainable Drainage Technical Support" ocid: "ocds-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57" markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57.md" json_url: "https://d3tenders.com/contract/ocds-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57.json" source: "Contracts Finder" current_stage: "Award" buyer: "EAST SUSSEX COUNTY COUNCIL" published: "2025-10-29" --- # Sustainable Drainage Technical Support Buyer: EAST SUSSEX COUNTY COUNCIL Current stage: Award OCID: ocds-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57) [Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57.json) ## Summary The procurement process for the "Sustainable Drainage Technical Support" was conducted by East Sussex County Council, serving as the Lead Local Flood Authority. The contract, valued at £240,000, was awarded to Ardent Consulting Engineers Limited. The procurement process, classified under environmental issues consultancy services, was conducted as an open procedure above the threshold. The contract period extends from 1 May 2023 to 30 April 2026, with extensions from 1 June 2024 to 31 May 2025, and from 1 June 2025 to 31 May 2026. The project is located in the South East region of the United Kingdom, and the primary focus is on providing technical support for drainage design and flood risk management related to new developments. This contract presents significant opportunities for businesses specialising in environmental consultancy services, particularly in areas related to surface water drainage and flood risk management. Businesses capable of providing highly skilled professionals for the roles of Drainage Officer and Principal Drainage Officer will find this contract appealing. Small and medium-sized enterprises are especially encouraged to engage, given the suitability criteria allowing for SME participation. The procurement was managed through the Proactis Procurement Portal, offering a streamlined application procedure. ## Notice This contract has been extended from 1 June 2024 to 31 May 2025 and from 1 June 2025 to 31 May 2026. East Sussex County Council is the Lead Local Flood Authority for its administrative area. Currently, this means that it is, amongst other things, has a statutory duty to respond to consultations on major planning applications with surface water drainage. (General Development Management Procedure Order 2015 (Schedule 4 Consultations before the grant of permission category ZE)) In practice this means that the LLFA comments on the drainage design and local flood risk implications (surface water, ground water and ordinary watercourse) of new development. This will include pre-app consultations by developers or Local Planning Authorities (LPAs), consultations on applications for outline, reserved matters, or full planning permission. It also included consultations on the discharge of conditions and any application to vary conditions of a permission. We are looking to contract in order to fill two roles: 1. Drainage Officer 2. Principal Drainage Officer The tender will be conducted via the Proactis Procurement Portal - https://supplierlive.proactisp2p.com/Account/Login ## Key Details | Field | Value | | --- | --- | | Publication source | Contracts Finder | | Latest notice | https://www.contractsfinder.service.gov.uk/Notice/2e535a28-2cb6-435a-b13d-445ba7a8a30a | | Notice type | Award Notice | | Procurement type | Standard | | Procurement category | Services | | Procurement method | Open | | Procurement method details | Open procedure (above threshold) | | Tender suitability | SME | | Awardee scale | Large | | All stages | Planning, Tender, Award | ## Dates | Field | Value | | --- | --- | | Publication date | 29 Oct 2025 | | Submission deadline | 24 Mar 2023 | | Future notice date | 21 Feb 2023 | | Award date | 27 Jun 2023 | | Contract period | 31 May 2023 - 30 Jun 2026 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £240,000 | | Lots value | Not specified | | Awards value | £240,000 | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Complete | | Lots status | Not specified | | Awards status | Active | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | EAST SUSSEX COUNTY COUNCIL | | Locality | LEWES | | Post town | Brighton | | Postcode | BN7 1UE | | Country | England | | ITL 1 | TLJ South East (England) | | ITL 2 | TLJ2 Surrey, East and West Sussex | | ITL 3 | TLJ22 East Sussex CC | | Local authority | Lewes | | Electoral ward | Lewes Priory | | Westminster constituency | Lewes | | Delivery location | TLJ South East (England) | ## Supplier | Field | Value | | --- | --- | | Number of suppliers | 1 | | Supplier names | ARDENT CONSULTING ENGINEERS | ## CPV Codes ### Divisions - 90 - Sewage, refuse, cleaning and environmental services ### Codes - 90713000 - Environmental issues consultancy services ## Release History - 29 Oct 2025 at 11:43 - AwardUpdate - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/2e535a28-2cb6-435a-b13d-445ba7a8a30a - 17 Sep 2025 at 08:37 - AwardUpdate - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/2e535a28-2cb6-435a-b13d-445ba7a8a30a - 29 Jun 2023 at 10:21 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/2e535a28-2cb6-435a-b13d-445ba7a8a30a - 21 Feb 2023 at 15:29 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/a072c061-2ccf-4131-8267-b7a116c67496 - 15 Feb 2023 at 08:45 - Planning - Planned Procurement Notice - https://www.contractsfinder.service.gov.uk/Notice/a830294e-dae2-46f5-95ae-29057cbf22fa ## Documents - https://www.contractsfinder.service.gov.uk/Notice/2e535a28-2cb6-435a-b13d-445ba7a8a30a 29th October 2025 - Awarded contract notice on Contracts Finder - https://www.contractsfinder.service.gov.uk/Notice/a072c061-2ccf-4131-8267-b7a116c67496 21st February 2023 - Opportunity notice on Contracts Finder - https://www.contractsfinder.service.gov.uk/Notice/a830294e-dae2-46f5-95ae-29057cbf22fa 15th February 2023 - Future opportunity notice on Contracts Finder ## Notice URLs - https://supplierlive.proactisp2p.com/Account/Login ## 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-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-39dbcb65-267f-4358-a972-efdf399c2c57.json.