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Depot Fire Break & Void Detection Surveys

Thameslink Southern Great Northern Limited (TSGN)

This public procurement record has 1 release in its history.

Tender

12 Aug 2026 at 14:05

UK4 - Tender Notice
Summary of the contracting process

Thameslink Southern Great Northern Limited (TSGN) is procuring fire-break and void-detection survey services across several of its railway depots. The work will review existing fire-prevention measures in ceiling and roof voids, including fire stopping, fire breaks and other void-protection arrangements. It will also assess how the existing protection aligns with the current fire alarm system. The required outcome is a considered scope of works for improving fire protection, including fire breaks and fire stopping to existing walls. This is a fire-prevention and fire-protection consultancy and surveying requirement, with associated installation and fireproofing considerations. The work is classified under fire-alarm installation, fire-protection equipment installation, fire-prevention services and fireproofing.

The procurement has reached tender: TSGN invited offers through an open, competitive flexible procedure with three stages. Expressions of interest were due by 11 September 2026 at 23:59, and enquiries closed on 4 September 2026 at 17:00. The estimated value is £450,000 excluding VAT, or £540,000 including VAT. The single contract is scheduled to run from 14 February 2027 to 31 August 2027, with the award decision due by 25 January 2027. Evaluation is weighted 60% for technical responses and 40% for the commercial pricing proposal. Electronic submission is allowed in English through TSGN’s e-sourcing portal: https://gtr.delta-esourcing.com/.

This opportunity suits SMEs with experience surveying fire protection in complex operational buildings, particularly ceiling and roof voids at railway or comparable depot sites. Strong bidders will be able to identify fire breaks, fire-stopping defects and other non-compliances, assess existing protection against fire alarm arrangements, and turn survey findings into a practical, technically sound scope of remedial works. Relevant capability includes fire-prevention assessment, fire-stopping and fireproofing expertise, understanding of building interfaces and the ability to produce clear technical recommendations for subsequent installation work. Suppliers will need sufficient capacity to coordinate surveys across several depots and deliver the required review and scope of works within the defined contract period.

How relevant is this notice?

Notice Information

Notice Title

Depot Fire Break & Void Detection Surveys

Notice Description

It has been highlighted a number of non-compliances in connection with the fire break and void protection of the ceiling voids, Throughout Several of our depots. The project will be to review the existing fire prevention measures currently in place within the ceiling voids noting any associated fire stopping, fire breaks or fire prevention currently in place. Culminating in producing a scope of works for fire protection of the roof void, including fire breaks, fire stopping to any existing walls and a full and considered review of the void protection in line with the current fire alarm system For more information about this opportunity, please visit the eSourcing portal at: https://gtr.delta-esourcing.com/tenders/UK-UK-London:-Fire-alarm-system-installation-work./4E38P8J5KB To respond to this opportunity, please click here: https://gtr.delta-esourcing.com/respond/4E38P8J5KB

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06e2ab
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/076807-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

51 - Installation services (except software)

75 - Administration, defence and social security services

CPV Codes

45312100 - Fire-alarm system installation work

45343000 - Fire-prevention installation works

45343100 - Fireproofing work

51700000 - Installation services of fire protection equipment

75251110 - Fire-prevention services

Notice Value(s)

Tender Value
£450,000 £100K-£500K
Lots Value
£450,000 £100K-£500K
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
12 Aug 20262 weeks ago
Submission Deadline
4 Sep 20262 weeks to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
14 Feb 2027 - 31 Aug 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Thameslink Southern Great Northern Limited (TSGN)
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
EC3R 8AJ
Postcode Area
Central London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
TLH25 Central Bedfordshire, TLI London, TLJ2 Surrey, East and West Sussex
Local Authority
City of London
Electoral Ward
Bridge
Westminster Constituency
Cities of London and Westminster

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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