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Find a TenderAdministrative changeContract change notice
Published 20 Jan 2026, 15:03 GMT

This notice announces an administrative change to an existing contract or market (a contract change notice). No new tender or admission is opened here; see the linked notices below for the original opportunity.

Official UK procurement notice

UKRI-5442 Growth of Potassium Di-Deuterium Phosphate (DKDP) Crystal Growth

Official notice

Authority: UK Research and Innovation (Central government)

Direct awardSME suitable
Sectors: Laboratory, optical and precision equipments (excl. glasses) (38) Delivery: South East (UKJ14)
Awarded value£995,882published award · exc. VAT
Awarded 20 Jan 2026no call for competition
Awarded to Gooch and Housego Ohio

What is being bought

Published requirement description

UKRI require a growth of 2x DKDP Crystal Boules harvesting of required crystal size for the use of large-aperture Optical Parametric Amplification for the Vulcan 20-20 Project. Potassium Di-Deuterium Phosphate (DKDP) crystals are a critical component of the amplification system for the 20 Petawatt laser that is being built under the Vulcan 20-20 project.

The lotProcurement structure

single lot · no lot value published
Lot #1AwardedSME
Delivery: South EastEligibility: SME eligible
38000000 Laboratory, optical and precision equipments (excl. glasses)

Procedure terms & legal framework

From the official record
Procedure method
Direct award
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Notice status
Administrative change
Procurement threshold
Unspecified in notice
Regulatory regime
Standard
Commercial structure
Stand-alone contract (no framework)
Competition type
Direct award (no call for competition)
GPA / WTO covered
Yes (GPA)
Recurring procurement
Unspecified in notice
First published
20 Jan 2026, 15:03 GMT
Last source update
14 Sept 2026, 13:47 BST
Authority reference
C0590
FTS notice number
2026/S 000-086886
Latest notice
Contract change notice (UK10)
Delivery area
South East (UKJ14)
Official registry OCID
ocds-h6vhtk-060a2d Find a Tender
Why no open competition
Single Suppliers Technical Reasons
Published justification

There is only one global supplier with the required technical expertise and experience of delivering a large-aperture, high-value and critical component such as this.

How it was run

Official notice
Submission deadline
—

Timeline

29 Jan 2026 → 14 Sept 2026 · 2 dates
  1. Standstill ends270 days ago
    29 Jan 2026, 23:59 GMT
  2. Notice published42 days ago
    14 Sept 2026, 13:47 BST

Notice history

6 events · 4 releases on Find a Tender · since 20 Jan 2026
  1. Transparency notice published
    20 Jan 2026, 15:03 GMT
    UK5
  2. Contract award notice published
    20 Jan 2026, 15:06 GMT
    UK6
  3. Contract signature expected
    2 Feb 2026, 23:59 GMT
    scheduled
  4. Contract details notice published
    4 Mar 2026, 14:22 GMT
    UK7
  5. Contract change notice published
    14 Sept 2026, 13:47 BST
    UK10
  6. Contract change proposed
    24 Sept 2026, 23:59 BST
Routine re-releases (4)
  • 2026-01: 1 release · 20 Jan 2026

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value £995,8821 award exc. VAT
Contracts signed 1latest 12 Feb 2026
Awarded toValueDateStatus
Gooch and Housego Ohio3 Feb 2026 – 31 Mar 2028£995,88220 Jan 2026Awarded

Contracts

  • UKRI-5442 Growth of Potassium Di-Deuterium Phosphate (DKDP) crystal growth · Gooch and Housego Ohio

    Signed
    12 Feb 2026
    Value
    £1,340,000
    Period
    24 Feb 2026 – 31 May 2028
    Status
    active
    • Change proposed 24 Sept 2026 contract change notice published, new end date 28 Feb 2029

    No agreed KPIs: not required

Contracting authority & participating public bodies

UK Research & Innovation (UKRI)

Contracting authorityPublic authority - central government GB-PPON: PDQJ-7126-JDHG Polaris House, Swindon, Wiltshire, South West, SN2 1FLContact name, email, phone

Bidders & participating suppliers

1 commercial party on the notice
  • Gooch and Housego OhioAwarded supplierGB-PPON: PCHX-6231-MXGR LLC 676 Alpha Drive Highland Heights, Ohio, US, 44143-2156, USContact email

Official documents & specifications (4)

Official links; attachments are not copied

Notices published for this procedure

  • Contract change notice contractContract change noticeUK10Contract change notice on Find a Tender
  • Contract details notice contractContract details noticeUK7Contract details notice on Find a Tender
  • Contract award notice awardContract award noticeUK6Contract award notice on Find a Tender
  • Transparency notice awardTransparency noticeUK5Transparency notice on Find a Tender