This public procurement record has 3 releases in its history.

AwardUpdate

17 Jun 2026 at 09:41

Award

20 May 2026 at 15:39

Tender

10 Nov 2025 at 16:05

Summary of the contracting process

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.

How relevant is this notice?

Notice Title

Water Hygiene Maintenance Services

Notice Description

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

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05de02
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/056979-2026
Current Stage
Award
All Stages
Tender, Award

Procurement Classification

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

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

50 - Repair and maintenance services

51 - Installation services (except software)


CPV 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

Notice Value(s)

Tender Value
£1,560,000 £1M-£10M
Lots Value
£1,560,000 £1M-£10M
Awards Value
£1,916,666 £1M-£10M
Contracts Value
Not specified

Notice Dates

Publication Date
17 Jun 20261 weeks ago
Submission Deadline
5 Dec 2025Expired
Future Notice Date
Not specified
Award Date
19 May 20261 months ago
Contract Period
28 Jun 2026 - 28 Jun 2029 3-4 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Pending
Contracts Status
Not Specified

Contracting Authority (Buyer)

Main Buyer
THE ROYAL HOUSEHOLD
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
SW1A 1AA
Post Town
South West London
Country
England

Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
TLI7 Outer London - West and North West

Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Supplier Information

Number of Suppliers
1
Supplier Name

HCS WATER TREATMENT

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

JSON Markdown

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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