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Water Hygiene Management and Legionella Assessment

The Industrial Dwellings Society (1885) Ltd

This public procurement record has 1 release in its history.

Tender

03 Aug 2026 at 12:46

UK4 - Tender Notice
Summary of the contracting process

The Industrial Dwellings Society (1885) Ltd is procuring water hygiene and Legionella risk management services for approximately 1,500 residential properties across nine London boroughs. The work includes Legionella risk assessments; routine water hygiene monitoring, including temperature checks and tank inspections; remedial cleaning and chlorination; water storage tank replacement and repair; cold water storage tank removal and drain-down when properties are decommissioned; and compliance reporting. The service must support compliance with ACoP L8, HSG274, BS 7592:2022 and BS 8580-1/2. The procurement is for services, including hygiene monitoring and water-supply consultancy. IDS is the buyer and contracting authority, with delivery across London.

The process has reached tender: IDS invited offers through an open competitive procedure under the Procurement Act 2023. Questions were due by 17 August 2026 at 23:59, and tenders by 31 August 2026 at 12:00. The contract is scheduled to run from 2 January 2027 to 2 January 2030, with an authority option to extend by up to two further years, potentially to 2 January 2032. Its estimated value is £100,000 excluding VAT, or £120,000 including VAT. This is one lot and is evaluated on the most economically advantageous tender basis: price carries 60% and quality 40%. The planned award decision date is 4 November 2026.

This opportunity suits SMEs with demonstrable water hygiene and Legionella management expertise, particularly contractors experienced in residential housing portfolios. Bidders need the technical competence to complete risk assessments, monitoring, tank inspections, cleaning, chlorination, tank works, decommissioning-related drain-downs and compliance reporting. They must work to ACoP L8, HSG274, BS 7592:2022 and BS 8580-1/2, and show appropriate health and safety compliance. The successful supplier will need sufficient staff, equipment and operational capacity to cover approximately 1,500 properties across nine London boroughs, together with the financial standing to deliver the service. Relevant experience managing geographically dispersed housing stock and maintaining reliable compliance records will be important.

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Notice Information

Notice Title

Water Hygiene Management and Legionella Assessment

Notice Description

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.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06d9db
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/073145-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

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

Common Procurement Vocabulary (CPV)

CPV Divisions

38 - Laboratory, optical and precision equipments (excl. glasses)

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

38910000 - Hygiene monitoring and testing equipment

90713100 - Consulting services for water-supply and waste-water other than for construction

Notice Value(s)

Tender Value
£100,000 £100K-£500K
Lots Value
£100,000 £100K-£500K
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
3 Aug 20263 weeks ago
Submission Deadline
31 Aug 20266 days to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
2 Jan 2027 - 2 Jan 2030 3-4 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
The Industrial Dwellings Society (1885) Ltd
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
N16 8BP
Postcode Area
North London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI4 Inner London - East
Small Region (ITL 3)
TLI41 Hackney and Newham
Delivery Location
TLI London
Local Authority
Hackney
Electoral Ward
Stoke Newington
Westminster Constituency
Hackney North and Stoke Newington

Further Information

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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