---
title: "High-Pressure Isolation Equipment"
ocid: "ocds-h6vhtk-06ce67"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06ce67"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06ce67.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06ce67.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "NATIONAL GAS TRANSMISSION PLC"
published: "2026-07-21"
---

# High-Pressure Isolation Equipment

Buyer: NATIONAL GAS TRANSMISSION PLC  
Current stage: Award  
OCID: ocds-h6vhtk-06ce67

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06ce67.json)

## Summary

The procurement process initiated by National Gas Transmission PLC, based in Warwick, United Kingdom, has concluded with the award of a contract for "High-Pressure Isolation Equipment". This acquisition is focused on the supply of a temporary pipeline isolation system and auxiliary equipment to enhance the safety and integrity of gas transmission operations. The procurement has advanced to the award stage, with a contract period starting on 31 July 2026 and ending on 31 December 2028. The procurement process was a direct award, justified under the Procurement Act 2023, due to T.D. Williamson (U.K.) Limited holding exclusive rights to the required technology to meet the specified operational requirements. The award, valued at over £15 million, will cater to the high-consequence needs of the gas network industry across the UK.

This tender provides significant growth opportunities for businesses specialising in gas network equipment and related technologies. Companies with expertise in manufacturing high-pressure isolation systems and those holding intellectual property rights or exclusive technology positions are particularly well-suited to engaging in this market. The direct award nature of the procurement highlights the importance of developing niche capabilities and safeguarding intellectual property to secure similar high-value contracts. Engaging in such bids could establish a foothold in the utility sector, paving the way for further advancements and collaborations with major players like National Gas Transmission PLC.

## Notice

The procurement is for the supply of temporary pipeline isolation system and associated auxiliary equipment to support under pressure gas transmission activities. The equipment will be used to support high-consequence pipeline intervention activities, enhancing operational safety, isolation and asset integrity across the National Gas Transmission network.

### Procurement Information

National Gas intends to award this contract directly under Section 41 of the Procurement Act 2023, relying on Schedule 5, paragraph 5. National Gas has identified a requirement for a temporary pipeline isolation system capable of meeting its defined operational, safety and asset integrity requirements for high-consequence under-pressure gas transmission activities. T.D. WILLIAMSON (U.K.) LIMITED holds the relevant intellectual property rights and exclusive rights associated with the technology required to meet National Gas's defined operational requirement and is the sole supplier capable of providing the required solution. National Gas has concluded that there are no reasonable alternatives capable of meeting its defined operational requirement.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/068706-2026 |
| Notice type | UK6 - Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 21 Jul 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 20 Jul 2026 |
| Contract period | 30 Jul 2026 - 31 Dec 2028 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £12,724,504 |
| 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 | NATIONAL GAS TRANSMISSION PLC |
| Locality | WARWICK |
| Post town | Coventry |
| Postcode | CV34 6DA |
| Country | England |
| ITL 1 | TLG West Midlands (England) |
| ITL 2 | TLG1 Herefordshire, Worcestershire and Warwickshire |
| ITL 3 | TLG13 Warwickshire CC |
| Local authority | Warwick |
| Electoral ward | Warwick Myton & Heathcote |
| Westminster constituency | Warwick and Leamington |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | T.D. WILLIAMSON (U.K. |

## CPV Codes

### Divisions

- 39 - Furniture (incl. office furniture), furnishings, domestic appliances (excl. lighting) and cleaning products
- 42 - Industrial machinery

### Codes

- 39340000 - Gas network equipment
- 42130000 - Taps, cocks, valves and similar appliances

## Release History

- 21 Jul 2026 at 12:36 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/068706-2026
- 20 Jul 2026 at 08:00 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/068046-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/068706-2026
  21st July 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/068046-2026
  20th July 2026 - Transparency notice on Find a Tender

## Notice URLs

- https://www.legislation.gov.uk/ukpga/2023/54/contents
- https://www.tdwilliamson.com/

## 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-06ce67. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06ce67.json.