Official UK procurement notice
DSP Phase 2 · UK public procurement notice
Authority: NORTHERN GAS NETWORKS LIMITED (Public body)
What is being bought
Published requirement descriptionNorthern Gas Networks (NGN) is initiating a Phase 2 procurement event to expand the existing Direct Service Provider (DSP) Framework, which currently runs until 2029 with options to extend. Due to capacity constraints within the current framework, additional suppliers are required to ensure sufficient resource availability across the network. This expansion is intended to supplement-not replace-the existing DSP supply.
The scope of the framework agreement includes but is not limited to for both natural gas and hydrogen;
Essential Scope Requirement
All mains and services replacement, abandonment, general and specific reinforcement, diversionary and connections works.
All mains work comprises of laying, relaying of Polyethylene (PE) and steel mains up to 48"/1200mm diameter which are laid and tested to main laying standards, and any service up to 63mm diameter and any associated abandonment.
Service works comprises of the installation of new, or renewal and transfer of existing PE services up to 63mm diameter and Steel services up to 2" diameter.
Riser works comprises of the installation of new, or the renewal and transfer of existing PE risers up to 32mm diameter and steel risers up to 3" diameter.
Survey/Enabling works.
Low pressure connections & disconnections (e.g. PE, Steel etc.).
Medium pressure connections & disconnections (e.g. PE, Steel etc.).
Intermediate pressure connections& disconnections (e.g. HDPE, Steel etc.).
New services on mains in existing properties.
Survey/enabling works includes invasive and non-invasive enabling works e.g. trial holes and camera survey.
Backfill & reinstatement of all works, public & private.
Support to NGN works on a planned and emergency basis for incidents e.g. severe weather, customer loss of supply and other emergency/non-emergency support, as and when required.
Provide engineers/teams to support NGN in Gas Emergency & Repair Works.
Scope Requirement (Desirable)
Gas safety regulation cut offs.
Stub ends works.
Bulk service renewal.
Live service insertion.
Service extraction.
Replacement of risers, laterals and supplies to multi occupancy buildings.
Refurbishment techniques for mains and services.
Services off mains in private (New Service/New Property).
New services on mains in existing property.
Bridge overcrossings.
Provide support to NGN in backfill & reinstatement works, as and when required.
Gas appliance purge & relight, as and when required during incident support.
Fuel poverty projects.
District governor installation & removal including foundations/concrete base.
Specialist flow stopping techniques.
Deep excavations installation & removal
In additional please see the Draft Contract contained with this Tender package for full Works Information
Technical Standards and Procedures -
All works MUST be carried out in compliance with Northern Gas Networks Technical Standards and in line with Northern Gas Networks Procedures.
- How the procedure runs: This procurement will follow the following process: - Tender notice issued (this notice) for 25 days - Interested suppliers to follow Market Dojo link to the Conditions of Participation stage (Pass/Fail) - Suppliers who Pass the Conditions of Participation stage will be invited to a PQQ - The PQQ end date 27th February 2026 - PQQ responses evaluated - Suppliers who score over 60% will be invited to tender (RFP) - RFP will go live on 23/03/2026 until 21/04/2026 - RFP evaluations carried out until 06/05/2026. Bidders must achieve 60% on non-commercials - BAFO will then be carried out on commercials 07/05/2026 - 21/05/2026 - BAFO will be evaluated until 05/06/2026 - Suppliers notified of the outcome Full details are made available in the tender scope. If supplementary stages are required throughout the process, or stages noted in the strategy defined above are no longer required, it is at NGN's discretion to include or remove stages. It is at the discretion of NGN to change the weightings/criteria or add additional subcriteria/weightings to the PQQ or RFP if there is a need to do so before the submission deadline of the relevant stage. Any changes to the evaluation criteria will be communicated to all Bidders.
CPV: Construction work for gas pipelines
How this framework works
From the published notice- Type
- Closed framework
- Call-offs
- every call-off is a further competition among the appointed suppliers
- Framework period
- 2 yrs 8 mo · up to 5 yrs 8 mo from 1 Jul 2026
Published description of the framework
NGN will conduct assessments at each stage set out in the tender event. Each stage has minimum criteria to meet as set out in the tender documentation and will adhere to the scoring methodology set out in the tender event.
The lotProcurement structure
single lot · value publishedLot #1AwardedRenewalPublished value£60,000,000
What it takes to wini
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 morei
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).
- Conditions of Participation Evaluation
- PQQ Evaluation Criteria
- RFP Evaluation Criteria (non-commercial section)
- RFP Evaluation Criteria (commercial section)
- RFP Evaluation Criteria (contractual section)
- “DSP Phase 2” is a framework: the contest is a place on its panel, not a single contract: each call-off is a further competition, so the pricing contest starts after appointment.
Procedure terms & legal framework
From the official record- Procedure method
- Competitive flexible procedure
- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Procurement category
- Works
- Notice status
- Awarded
- Procurement threshold
- Above threshold (FTS publication)
- Regulatory regime
- Utilities
- Commercial structure
- Framework agreement
- Who may use this agreement
- Not stated in the notice; call-off rights may be limited to the establishing authority
- Competition type
- Competitive procedure
- GPA / WTO covered
- Unspecified in notice
- Recurring procurement
- Unspecified in notice
- First published
- 22 Jan 2026, 17:32 GMT
- Last source update
- 27 Aug 2026, 13:39 BST
- Award evaluation window
- Submission end – 12 Jun 2026
- FTS notice number
2026/S 000-005975- Latest notice
- Contract award notice (UK6)
- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-060cc8Find a Tender
- How it runs
This procurement will follow the following process:
- Tender notice issued (this notice) for 25 days
- Interested suppliers to follow Market Dojo link to the Conditions of Participation stage (Pass/Fail)
- Suppliers who Pass the Conditions of Participation stage will be invited to a PQQ
- The PQQ end date 27th February 2026
- PQQ responses evaluated
- Suppliers who score over 60% will be invited to tender (RFP)
- RFP will go live on 23/03/2026 until 21/04/2026
- RFP evaluations carried out until 06/05/2026.
Bidders must achieve 60% on non-commercials
- BAFO will then be carried out on commercials 07/05/2026 - 21/05/2026
- BAFO will be evaluated until 05/06/2026
- Suppliers notified of the outcome
Full details are made available in the tender scope.
If supplementary stages are required throughout the process, or stages noted in the strategy defined above are no longer required, it is at NGN's discretion to include or remove stages.
It is at the discretion of NGN to change the weightings/criteria or add additional subcriteria/weightings to the PQQ or RFP if there is a need to do so before the submission deadline of the relevant stage.
Any changes to the evaluation criteria will be communicated
to all Bidders.
How it was run
Official notice- Requests to participate (first stage)
- 17 Feb 2026, 23:59 GMT
- Appointment period ends
- 17 Feb 2026, 23:59 GMT
- Electronic submission
- Not allowed
- Accepted languages
- en
Please review the attached document within this notice and follow instructions within in order to participate in this event.
It is suppliers responsibility to follow all instructions to participate in the attached document within this tender notice.
Timeline
22 Jan 2026 → 27 Aug 2026 · 6 dates- Tender notice published272 days ago22 Jan 2026, 17:32 GMT
- Admission / appointment period ends245 days ago · period end, not a bid countdown17 Feb 2026, 23:59 GMT
- Award decision expected by131 days ago12 Jun 2026, 23:59 BST
- Contract starts113 days ago1 Jul 2026, 00:00 BST
- Assessment summaries sent56 days ago27 Aug 2026, 00:00 BST
- Latest notice published55 days ago27 Aug 2026, 13:39 BST
Notice history
4 events · 2 releases on Find a Tender · since 22 Jan 2026- Tender notice published22 Jan 2026, 17:32 GMTUK4
- Contract award notice published27 Aug 2026, 13:39 BSTUK6
- Status changed to complete27 Aug 2026, 13:39 BST
- Contract signature expected9 Sept 2026, 23:59 BSTscheduled
Commercial outcome & contract awards
Published awards, contracts and bid statistics, not a forecast| Awarded to | Value | Date | Status |
|---|---|---|---|
| MOLE TECH SOLUTIONS LTD, Stobbarts LimitedSME, T G PIPELINES LIMITED10 Sept 2026 – 12 Mar 2029 · up to 12 Mar 2032Extensions: Contracts can be extended in line with business requirements | £50,000,000 | 27 Aug 2026 | Awarded |
Contracting authority & participating public bodies
Framework contractors & participating bidders
3 commercial parties on the notice- MOLE TECH SOLUTIONS LTDFramework contractor
- Stobbarts LtdFramework contractor
- T G PIPELINES LIMITEDFramework contractor
Official documents & specifications (3)
Official links; attachments are not copiedTender pack and attachments
Notices published for this procedure
- Contract award notice Contract award notice on Find a Tender
- Tender notice Tender notice on Find a Tender