Pre-tender

Provision of Baseline Measurements of Stratospheric Ozone and Ultraviolet Radiation

Details

Value
£1,700,000
Topic
Environmental monitoring other than for construction
Published
30 October 2026
Submission
20 November 2026in 3 weeks

Tender description

Defra is seeking to contract with supplier(s) possessing the scientific, technical and analytical expertise required to provide baseline measurements of stratospheric ozone and ultraviolet radiation. The successful supplier(s) will undertake daily column ozone observations and collect spectral UV-B measurements across the United Kingdom’s three ozone monitoring sites in Manchester, Reading and Lerwick. The service will include quality assurance and quality control, calibration checks, comparison of ozone and ultraviolet observations with satellite data and nearby ground-based observations, maintenance of running 20-year climatology for each dataset, and submission of data to relevant national and international institutions. The outputs will support the continuity of the United Kingdom’s long-term ozone monitoring record, annual reporting, environmental monitoring and the United Kingdom’s obligations under the Vienna Convention. We are envisaging that the new contract will start on 18 May 2027 and run for five years. We estimate the total contract value to be up to £1.7 million excluding VAT. These details are indicative and remain subject to market engagement, affordability, internal approval and applicable procurement requirements.

Timeline

  1. Completed: Pre-tender published30 October 2026
    Current notice

About the buyer

The Department for Environment, Food & Rural Affairs (DEFRA) is a ministerial department that also buys through agencies such as the Environment Agency, the Rural Payments Agency and the Animal and Plant Health Agency. DEFRA also procures goods and services through the Crown Commercial Service. Existing contracts and frameworks set up under the previous procurement regulations remain valid until they expire.

Over the past 5 years, most of DEFRA's contract awards have been in research and development, construction work and business services.

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