---
title: "Water Hygiene Maintenance Services"
ocid: "ocds-h6vhtk-05de02"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05de02"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05de02.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05de02.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "THE ROYAL HOUSEHOLD"
published: "2026-06-17"
---

# Water Hygiene Maintenance Services

Buyer: THE ROYAL HOUSEHOLD  
Current stage: Award  
OCID: ocds-h6vhtk-05de02

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05de02.json)

## Summary

The Royal Household, based in London, has recently completed a procurement process titled "Water Hygiene Maintenance Services," aimed at addressing water treatment and maintenance needs across various sites in London and Windsor. The procurement falls within the services industry category, specifically focusing on water-treatment work. The tender was conducted using an open and competitive flexible procedure. This procurement process has progressed to the award stage, with HCS Water Treatment Ltd being identified as the supplier. The contract, with a gross value of £2,300,000, will officially commence on 29th June 2026, concluding on 28th June 2029, with potential extensions available. Key milestones include a pending award status as of 20th May 2026, following the standstill period ending on 1st June 2026. The process ensures compliance with both British and European standards and focuses heavily on sustainability and optimisation of water and energy systems throughout the contract period.

This tender presents significant business growth opportunities, particularly for small and medium-sized enterprises (SMEs) specialising in water treatment and maintenance. Companies equipped to deliver planned maintenance, reactive remedials, and routine equipment management will find this contract aligns with their operational capabilities. Additionally, businesses with experience in regulatory compliance, innovative improvement solutions, and sustainability practices are well-suited to compete, providing the Royal Household with the necessary expertise to enhance water hygiene standards across its properties. The demand for maintaining industry standards and performing extensive risk assessments creates avenues for businesses to demonstrate their technical proficiency and capacity for innovation in water management solutions. The sophisticated nature of this contract underlines the significance of service quality coupled with the strategic delivery of value-enhancing proposals over the duration of the agreement.

## Notice

Summary of Contract Scope for Water Hygiene Services The contract shall contain a number of sites across London & Windsor. Applicants must be technically able to deliver against the contract scope as follows: a. Planned maintenance according to the water risk assessment written schemes across all sites. b. Reactive water hygiene remedials arising from water sampling results across all sites detailed above. c. Routine maintenance of plant equipment, including magnetic filters, Orca copper silver systems, water softeners, ENWA filtration units, and swimming pools. d. Improvement, corrections and adjustments to water systems, as recommended under the risk assessment. e. Additional plumbing works, as agreed. f. Additional water hygiene sampling and other services, as agreed. g. Receive, update, and close out work using the RHPS CAFM system. h. Performance of all maintenance services in accordance with regulatory requirements and recommendations (e.g. O&M manuals and manufacturer's recommendations), as appropriate to each Royal Household Property. i.Maintain industry standards and best practice maintenance and operation throughout the Royal Household Estates. j.Undertake full safety checks on all relevant systems, plant and equipment to ensure full compliance with European and British Standards, Building and Fire Safety Regulations, other statutory and legislative minimum standards, the requirements of the RHPS, and any other relevant technical publications. k.Perform asset list validation and asset tagging of water system assets in the first 90 days of the contract via the RHPS CAFM system. This includes updating relevant schematics and drawings to reflect updates / changes. l.Record and publish findings in regular service reports, including identifying low-use outlets, vacant properties and out of bounds / construction areas that could pose increased risk to water hygiene. m.Maintain all systems appropriate to the operating parameters of the Royal Household Property and assets. n.Provide training tools and materials to RHPS personnel, including for flushing and other agreed activities. o.Endeavour to prolong system life and recommend to the RHPS any variations to system requirements, that would reflect improved value for money. The first report will be six (6) months post the commencement date of the contract. p.Identify to the RHPS team energy and water optimization and reduced utility consumption opportunities. The first report will be six (6) months post the commencement date of the contract. q.Identify potential system risks, and suggest innovative improvements or solutions. r.Propose improved control mechanisms and additional equipment to improve the systems. s.Identify opportunities to reduce energy consumption and carbon emissions. t.Maintain all work areas in a clean, tidy and safe condition free from oil, grease, dust, debris, foreign objects, inappropriate storage and rubbish which will include keeping all work areas in an orderly state. u.Regular reporting to the RHPS, where the contract will be reviewed against Key Performance Indicators (KPIs). For more information about this opportunity, please visit the eSourcing portal at: https://www.delta-esourcing.com/tenders/UK-UK-London:-Water-treatment-work./32479EU6X7 To respond to this opportunity, please click here: https://www.delta-esourcing.com/respond/32479EU6X7

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/056979-2026 |
| Notice type | UK6 - Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Competitive flexible procedure |
| Tender suitability | SME |
| Awardee scale | SME |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 17 Jun 2026 |
| Submission deadline | 5 Dec 2025 |
| Future notice date | Not specified |
| Award date | 19 May 2026 |
| Contract period | 28 Jun 2026 - 28 Jun 2029 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £1,560,000 |
| Lots value | £1,560,000 |
| Awards value | £1,916,666 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Pending |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | THE ROYAL HOUSEHOLD |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1A 1AA |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | TLI7 Outer London - West and North West |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | HCS WATER TREATMENT |

## CPV Codes

### Divisions

- 45 - Construction work
- 50 - Repair and maintenance services
- 51 - Installation services (except software)

### Codes

- 45232430 - Water-treatment work
- 50411100 - Repair and maintenance services of water meters
- 51514110 - Installation services of machinery and apparatus for filtering or purifying water

## Release History

- 17 Jun 2026 at 09:41 - AwardUpdate - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/056979-2026
- 20 May 2026 at 15:39 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/046645-2026
- 10 Nov 2025 at 16:05 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/072526-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/056979-2026
  17th June 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/046645-2026
  20th May 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/072526-2025
  10th November 2025 - Tender notice on Find a Tender

## Notice URLs

- https://www.delta-esourcing.com/respond/32479EU6X7
- https://www.delta-esourcing.com/tenders/UK-UK-London:-Water-treatment-work./32479EU6X7
- 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-05de02. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05de02.json.