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Official procurement procedure
CM4 - Bathymetry & Topographic Surveys - Bishop Rock and Longships Lighthouses
services
Below threshold - open competition
Topographical services
UK
Published value
£47,000
Submission deadline 16 Sept 2026, 17:00 BST
Lots published1
Procurement Executive Summary
AI & Search Synopsis
Generated from official OCDS record
Tenderline Synopsis: Trinity House: "CM4 - Bathymetry & Topographic Surveys - Bishop Rock and Longships Lighthouses". Published status: active. Published value: £47,000. 1 published lot. Recorded submission deadline: 16 Sept 2026, 17:00 BST. See the official notice for participation instructions.
| Contracting Authority | Trinity House | Scope & Categories | SERVICES (1 lot) | Submission Window | 9d 6h left 16 Sept 2026, 17:00 BST |
|---|---|---|---|---|---|
| Submission Gateway | Direct notice route | Legal Basis & Regime | 2023/54 · Below threshold - open competition | Estimated Value (exc. VAT) | £47,000 |
Bidder Intelligence · Authority Profile: Trinity House
Market Analytics
Derived from OCDS awards & bid statistics
Published history for Trinity House. These figures describe retained records, not a forecast of bids or a measure of buyer bias.
Published-to-award variance
Not availableInsufficient comparable data
Competition Density
5.3Bids / Report
Supplier ConcentrationModerate Concentration
Southampton Marine ServicesTop vendor: 38.2% of attributable valuePayment Terms
Check noticePublished terms
Coverage: 88 active published awards; 8 bid reports (which may be per lot). Supplier values exclude multi-supplier awards, frameworks and DPS, and use GBP only. They are published award values, not payments. Published-to-award variance compares single-lot, single-award, single-supplier GBP procedures with explicitly non-framework/non-DPS status; increases remain in the average. Unpublished data stays unknown. Awarded suppliers are winners, not all bidders.
Historical Awarded Suppliers With This Authority:
| Supplier Name | Historic Awards | Attributable GBP Value |
|---|---|---|
| Southampton Marine Services | 1 win | £328,238 |
| southampton marine services | 1 win | £233,650 |
| UK DOCKS MARINE SERVICES LIMITED | 1 win | £77,694 |
| Quinquari Marine | 1 win | £67,491 |
| private public limited | 1 win | £47,900 |
Procedure terms
Contracting AuthorityTrinity House | Procedure methodBelow threshold - open competition | Procurement categoryservices |
Statusactive | Framework / DPSNot published | CompetitionNot published |
Above thresholdNo | Legal basisUKPGA · 2023/54 | Tender period startsNot published |
Clarification deadline9 Sept 2026, 17:00 BST | Electronic submissionnotAllowed | Submission languagesNot published |
Published26 Aug 2026, 09:51 BST | Last source update26 Aug 2026, 09:51 BST | Recurring procurementNot published |
ClassificationTopographical services | ||
Delivery area UK | ||
OCIDocds-h6vhtk-06ebc4 | ||
How to participate
Submission methodNot published | Electronic submissionnotAllowed | Clarification deadline9 Sept 2026, 17:00 BST |
Submission languagesNot published | Expression of interest deadlineNot published | E-Sourcing PortalNot published |
Submission instructions Please email etender.user@trinityhouse.co.uk if you wish to view the full specification for this Tender. | ||
What is being bought
Trinity House (TH) holds the operation and maintenance responsibility for over 60 lighthouses around England, Wales, the Channel Islands and Gibraltar. These critical aids-to-navigation (AtoNs) include several Rock Tower lighthouses that require regular modernisation and ongoing maintenance.
Accordingly, Trinity House would like to investigate the feasibility of utilising jack-up and floating assets to avoid repeated journeys to these remote locations by helicopter to mobilise personnel, equipment and tools.
To support this investigation, it is important to have accurate bathymetric and topographic surveys of the surrounding area.
What changed
From the official release history
- Official notice release published
26 Aug 2026, 09:51 BST - Submission deadline changed to 16 Sept 2026, 17:00 BST
26 Aug 2026, 09:51 BST - Published value updated to £47,000
25 Aug 2026, 15:37 BST - Status changed to active
25 Aug 2026, 15:37 BST - Official notice release published
25 Aug 2026, 15:37 BST - Submission deadline changed to 15 Oct 2026, 17:00 BST
25 Aug 2026, 15:37 BST - Buyer information updated
25 Aug 2026, 15:37 BST
Lots and requirements (1)
Published by the contracting authority
- Lot 1 · #1Individual lot title not publishedactivePublished value£47,000The source published no individual title or description for this lot.Contract period30 Sept 2026, 00:00 BST — 31 Dec 2026, 23:59 GMTEligibilityNot publishedOptions / renewalNot published
Timeline
- Procedure published
26 Aug 2026, 09:51 BST - Submission deadline
16 Sept 2026, 17:00 BST
Commercial outcome and competition
AwardsNo award published |
ContractsNo contract published |
Bid statisticsNo aggregate bid statistics published |
Buyer and organisations in this procedure
Trinity House
Contracting authority GB-PPON-PXWM-8968-LPJYDocuments (2)
Official links; attachments are not copied
- 26 Aug 2026, 09:51 BST
- 25 Aug 2026, 15:37 BST
Related procedures (0)
No related procedures published