AwardedAwarded 20 May 2026
Water Hygiene Maintenance Services
The Royal Household · Local or regional public body
In brief
The Royal Household awarded construction work to HCS Water Treatment Ltd on 20 May 2026.
The notice gives a value of £1,560,000 including VAT.
The contract runs for 3 years, up to 5 years with extensions, starting 1 September 2026.
The buyer says it is suitable for small and medium-sized businesses.
Built from the notice's own fields. Always check the official notice before you bid.
What the notice says
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…Read the full 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
Who won
| Winner | Value | Dates |
|---|---|---|
| HCS Water Treatment Ltd 9 bids received | £1,916,667 | Awarded 20 May 2026 |
Values as the award notice gives them, excluding VAT where stated.
Timeline
- Tender notice · UK4, notice 072526-2025
- Contract award notice · UK6, notice 046645-2026
- Contract award notice · UK6, notice 056979-2026
About the buyer
The Royal HouseholdLast 12 months
Procurements
15Awards
10Suppliers it has used most for construction
- Cliveden Conservation Workshop Ltd1 contract
- HCS Water Treatment Ltd1 contract
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From notice 072526-2025 on Find a Tender, first published 10 November 2025, last updated 17 June 2026. We last checked for changes on 28 September 2026.