--- title: "Water Hygiene Management and Legionella Assessment" ocid: "ocds-h6vhtk-06d9db" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06d9db" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06d9db.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06d9db.json" source: "Find A Tender Service" current_stage: "Tender" buyer: "THE INDUSTRIAL DWELLINGS SOCIETY (1885) LTD" published: "2026-08-03" --- # Water Hygiene Management and Legionella Assessment Buyer: THE INDUSTRIAL DWELLINGS SOCIETY (1885) LTD Current stage: Tender OCID: ocds-h6vhtk-06d9db [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06d9db) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06d9db.json) ## Summary The Industrial Dwellings Society (1885) Ltd is seeking a contractor to provide specialised water hygiene management and Legionella risk assessment services across approximately 1,500 properties located within nine London boroughs. This tender falls under the category of consulting services for water-supply and waste-water, excluding construction. As of the latest update on 3rd August 2026, the procurement is in the tender stage. Interested parties should note key deadlines, with the tender submission closing on 31st August 2026. This open procurement process, governed by the Procurement Act 2023, is aimed at ensuring the most advantageous bids for the active project valued at £100,000, with a gross amount of £120,000. Participating in this tender offers significant business growth opportunities, particularly for SMEs that can demonstrate technical competence, health and safety compliance, and adequate resources to manage a geographically dispersed portfolio. The competitive nature of the open procedure allows various businesses, especially those specialising in hygiene monitoring, testing equipment, or consulting in water management, to vie for this contract. The potential for contract renewal provides further incentive, contingent on satisfactory performance. The contract period is scheduled to start on 2nd January 2027, with a possibility of extension up to two additional years, presenting long-term business potential. ## Notice The Industrial Dwellings Society (1885) Ltd (IDS) is seeking a competent contractor to provide water hygiene and Legionella risk management services across its residential housing stock of approximately 1,500 properties in nine London boroughs. The scope covers Legionella risk assessments, routine water hygiene monitoring (temperature checks, tank inspections, remedial cleaning and chlorination), water storage tank replacement and repair, cold water storage tank (CWST) removal and drain-down where properties are decommissioned, and associated compliance reporting in line with ACoP L8, HSG274, BS 7592:2022 and BS 8580-1/2. The contract will be let following an open competitive procurement under the Procurement Act 2023, evaluated on the most advantageous tender basis. Contract duration and any extension options will be confirmed in the Invitation to Tender. Bidders must demonstrate relevant technical competence, health and safety compliance, adequate resourcing to cover the housing stock geography, and the financial standing to deliver a contract of this value and duration. ### Lot Information Lot 1 Renewal: Contractual option for the contracting authority to extend the contract for up to 2 further years (Years 4 and 5), exercisable at the contracting authority's absolute discretion, subject to satisfactory contractor performance and written agreement signed by both parties. Not automatic and not guaranteed. No entitlement arises for the contractor to require the contracting authority to exercise this option. Pricing during any extension period continues on the same terms as the core term, including the contractor's declared CPI rate. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/073145-2026 | | Notice type | UK4 - Tender Notice | | Procurement type | Standard | | Procurement category | Services | | Procurement method | Open | | Procurement method details | Open procedure | | Tender suitability | SME | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 3 Aug 2026 | | Submission deadline | 31 Aug 2026 | | Future notice date | Not specified | | Award date | Not specified | | Contract period | 2 Jan 2027 - 2 Jan 2030 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £100,000 | | Lots value | £100,000 | | 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 | THE INDUSTRIAL DWELLINGS SOCIETY (1885) LTD | | Locality | LONDON | | Post town | North London | | Postcode | N16 8BP | | Country | England | | ITL 1 | TLI London | | ITL 2 | TLI4 Inner London - East | | ITL 3 | TLI41 Hackney and Newham | | Local authority | Hackney | | Electoral ward | Stoke Newington | | Westminster constituency | Hackney North and Stoke Newington | | Delivery location | TLI London | ## CPV Codes ### Divisions - 38 - Laboratory, optical and precision equipments (excl. glasses) - 90 - Sewage, refuse, cleaning and environmental services ### Codes - 38910000 - Hygiene monitoring and testing equipment - 90713100 - Consulting services for water-supply and waste-water other than for construction ## Release History - 3 Aug 2026 at 11:46 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/073145-2026 ## Documents - https://www.find-tender.service.gov.uk/Notice/073145-2026 3rd August 2026 - Tender notice on Find a Tender - https://in-tendhost.co.uk/theindustrialdwellingssociety/aspx/Tenders/Current ## Notice URLs - 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-06d9db. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06d9db.json.