Find a TenderAwardedContract award notice
Published 10 Nov 2025, 16:05 GMT

Official UK procurement notice

Water Hygiene Maintenance Services

Official notice

Authority: Buckingham Palace (Public body)

ServicesCompetitive flexible procedureAbove thresholdSME suitable
Published estimate£1,560,000≈ £520k / year · £1,560,000 inc. VAT47.4% above published estimate
Submissions closed 5 Dec 2025awarded 20 May 2026
Award (standstill) to HCS Water Treatment Ltd
Contract term 3 yrsends 31 Aug 2029 · up to 31 Aug 2031 with extensions · starts 1 Sept 2026

What is being bought

Published requirement 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:

www.delta-esourcing.com/tenders/UK-UK-London… ↗

To respond to this opportunity, please click here:

www.delta-esourcing.com/respond/32479EU6X7 ↗

  • How the procedure runs: The first stage is a selection questionnaire, from which the top (up to) five highest scoring suppliers will be taken through to a second, more detailed tender process.

CPV: Installation services of machinery and apparatus for filtering or purifying water · Repair and maintenance services of water meters · Water-treatment work

The lotProcurement structure

single lot · value published
Lot #1AwardedRenewal 3 yrsSMEPublished value£1,560,000
Contract period: 1 Sept 2026 – 31 Aug 2029 (3 yrs) · up to 31 Aug 2031 with extensionsValue: £1,560,000 exc. VAT · £1,560,000 inc. VAT
Delivery: LondonEligibility: SME eligible
Extensions: 2x 1 year optional extensions
Pre-qualification & selection criteria (PQQ)2
  • Economic & financial standing

    Please see questions 14-18 in the Procurement Specific Questionnaire

  • Technical & professional ability

    Please see questions 19-23 in the Procurement Specific Questionnaire. Please note that the successful organisation must be a member of appropriate recognised Competent Person Schemes that are subject to regular rigorous assessments to confirm competency. These must include Legionella Control Association, Water Safe Quality Assured, Water Management Society or equivalent.

What it takes to win
i

How this buyer will score bids.

The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).

Evaluation split and conditions of participation as published; the tender pack may add more
How bids were scored
Quality: 40%Price: 50%Social value: 10%
Published sub-criteria (3)
  • Technical: 40%
  • Price: 50%
  • Social Value - Sustainability: 10%
Published award criteria (3)
  • Price
  • Technical
  • Social Value - Sustainability
Conditions of participation2
  • Economic & financial standing

    Please see questions 14-18 in the Procurement Specific Questionnaire

  • Technical & professional ability

    Please see questions 19-23 in the Procurement Specific Questionnaire. Please note that the successful organisation must be a member of appropriate recognised Competent Person Schemes that are subject to regular rigorous assessments to confirm competency. These must include Legionella Control Association, Water Safe Quality Assured, Water Management Society or equivalent.

What this means for your bid
  • Price carries 50 of 100 points: a 10% discount moves about 5 points. This one is won on the number: sharpen the price before polishing the prose.

Price arithmetic assumes straight proportional scoring; the tender pack may use another formula.

Procedure terms & legal framework

From the official record
Procedure method
Competitive flexible procedure
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Procurement category
Services
Notice status
Awarded
Procurement threshold
Above threshold (FTS publication)
Regulatory regime
Standard
Commercial structure
Stand-alone contract (no framework)
Competition type
Competitive procedure
GPA / WTO covered
Unspecified in notice
Recurring procurement
Unspecified in notice
First published
10 Nov 2025, 16:05 GMT
Last source update
17 Jun 2026, 10:41 BST
Award evaluation window
Submission end – 12 Dec 2025
Authority reference
0046_PPTO
FTS notice number
2025/S 000-072526
Latest notice
Contract award notice (UK6)
Classification (CPV)
Installation services of machinery and apparatus for filtering or purifying waterRepair and maintenance services of water metersWater-treatment work
Delivery area
London (UKI)
Official registry OCID
ocds-h6vhtk-05de02 Find a Tender
How it runs

The first stage is a selection questionnaire, from which the top (up to) five highest scoring suppliers will be taken through to a second, more detailed tender process.

How it was run

Official notice
Run through: Delta eSourcing · Who buys & how to bid on Delta
Public notice page · account needed to bidElectronic submission allowedLanguage: EN
Access & registration note: Free Select account; no DUNS asked at signup
Submission deadline
5 Dec 2025, 11:00 GMT
Clarification deadline
24 Nov 2025, 11:00 GMT
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

To respond to this opportunity, please click here: www.delta-esourcing.com/respond/32479EU6X7 ↗

Timeline

10 Nov 2025 → 1 Sept 2026 · 8 dates
  1. Tender notice published350 days ago
    10 Nov 2025, 16:05 GMT
  2. Clarification questions by336 days ago
    24 Nov 2025, 11:00 GMT
  3. Submission deadline325 days ago
    5 Dec 2025, 11:00 GMT
  4. Award decision expected by318 days ago
    12 Dec 2025, 23:59 GMT
  5. Assessment summaries sent160 days ago
    20 May 2026, 00:00 BST
  6. Standstill ends147 days ago
    1 Jun 2026, 23:59 BST
  7. Latest notice published131 days ago
    17 Jun 2026, 10:41 BST
  8. Contract starts56 days ago
    1 Sept 2026, 00:00 BST

Notice history

5 events · 3 releases on Find a Tender · since 10 Nov 2025
  1. Tender notice published
    10 Nov 2025, 16:05 GMT
    UK4
  2. Contract award notice published
    20 May 2026, 16:39 BST
    UK6
  3. Status changed to complete
    20 May 2026, 16:39 BST
  4. Contract award notice published
    17 Jun 2026, 10:41 BST
    UK6
  5. Contract signature expected
    17 Jun 2026, 23:59 BST
    scheduled

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value £1,916,6671 award exc. VAT
Bids received 98 from SMEs
Awarded toValueDateStatus
HCS Water Treatment Ltd29 Jun 2026 – 28 Jun 2029 · up to 27 Jun 2031Extensions: 2 x 1 year optional extensions£1,916,66720 May 2026standstill to 1 Jun 2026Standstill

Bid statistics published by the authority

BidsSMEVCSEValid bid range
9final-stage tenders80—

Contracting authority & participating public bodies

The Royal Household

Contracting authorityPublic undertaking GB-PPON: PGLT-2499-PJTM Royal Household Procurement Team, Buckingham Palace, London, London, SW1A 1AAContact name, email

Bidders & participating suppliers

1 commercial party on the notice
  • HCS Water Treatment LtdAwarded supplierGB-PPON: PGLX-4312-VBLX Southern Office: 1 Earlstrees Court, Earlstrees Industrial Estate, Corby, East Midlands, NN17 4AXContact name, email

Official documents & specifications (3)

Official links; attachments are not copied

Notices published for this procedure

  • Contract award notice awardContract award noticeUK6Contract award notice on Find a Tender
  • Contract award notice awardContract award noticeUK6Contract award notice on Find a Tender
  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender