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CM141 - Bathymetry & Topographic Surveys - Smalls, Eddystone and Les Hanois Lighthouses

Trinity House

This public procurement record has 1 release in its history.

Tender

23 Oct 2026 at 14:26

UK4 - Tender Notice
Summary of the contracting process

Trinity House is seeking bathymetric and topographic survey services around the Smalls, Eddystone and Les Hanois lighthouses. The surveys will provide accurate information about the surrounding areas to support an investigation into using jack-up and floating assets for lighthouse modernisation and maintenance, potentially avoiding repeated helicopter journeys to mobilise people, equipment and tools. Trinity House is responsible for operating and maintaining more than 60 lighthouses around England, Wales, the Channel Islands and Gibraltar. The survey work relates to these three remote lighthouse locations; the procurement asks suppliers to price each location individually.

Trinity House invited offers through a below-threshold open competition. The enquiry deadline was 6 November 2026 at 23:59 UTC, and the submission deadline was 13 November 2026 at 23:59 UTC. The contract period runs from 27 November 2026 to 31 March 2027. The estimated value is £90,000 excluding VAT (£108,000 including VAT). There is one lot, and bids are evaluated on price. Suppliers are asked to provide individual costs for each location; Trinity House may appoint one supplier or multiple suppliers to complete the surveys. The full specification is available by emailing the address given in the tender information.

This requirement is suited to small and medium-sized businesses and to survey providers able to produce accurate bathymetric and topographic data around remote lighthouse sites. Suppliers with marine survey capability and the practical capacity to cover one or more of the three locations may be relevant. The work supports an investigation into alternative ways of reaching and maintaining rock tower lighthouses, so experience operating in remote coastal or offshore settings could be commercially relevant. The procurement asks for location-by-location pricing, allowing suppliers to price the sites individually.

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Notice Information

Notice Title

CM141 - Bathymetry & Topographic Surveys - Smalls, Eddystone and Les Hanois Lighthouses

Notice Description

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. In order to ensure successful completion of all survey by the end of March 2027, Trinity House reserve the right to appoint a singular or multiple suppliers to fulfil this requirement. As a result, suppliers are requested to submit individual costs for each location.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-078f2a
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/100557-2026
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
Below threshold - open competition
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71351810 - Topographical services

Notice Value(s)

Tender Value
£90,000 Under £100K
Lots Value
£90,000 Under £100K
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
23 Oct 20263 days ago
Submission Deadline
13 Nov 20263 weeks to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
27 Nov 2026 - 31 Mar 2027 1-6 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
Trinity House
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
EC3N 4DH
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
Not specified
Local Authority
City of London
Electoral Ward
Tower
Westminster Constituency
Cities of London and Westminster

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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