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

Buyer

TRINITY HOUSE

Value

£90,000

Closes

13 November 2026

Where

LONDON, London

Type

Open tender

In plain English

Trinity House, which maintains lighthouses around England, Wales, the Channel Islands and Gibraltar, wants accurate maps of the seabed (bathymetry) and the land and rock surfaces (topography) around three remote rock lighthouses: Smalls, Eddystone and Les Hanois. The surveys will help them judge whether ships and floating equipment could carry crews and materials to these sites instead of repeated helicopter trips. The estimated value is £90,000, and all surveys must be finished by the end of March 2027.

What the buyer wants

• Carry out seabed (bathymetric) and land and rock surface (topographic) surveys at each of the three lighthouse locations, delivering accurate data and reports • Provide a separate cost for each location, as Trinity House may appoint one supplier for all three or several suppliers for individual sites • Complete all survey work and deliver results by the end of March 2027

Likely requirements

Our reading of the notice. Always check the tender documents.

A business without its own or a chartered survey vessel and calibrated seabed mapping equipment, or without proven offshore safety procedures and experience of remote marine sites, would most likely be ruled out.

How to bid

This is an open tender: any eligible business can respond directly to the buyer by the deadline, with no framework membership needed.

How to write a tender response

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