Nitrogen reduction feasibility study - air quality

Natural England
Yorkshire and the Humber
Selective procedure
11 November 2025 to 27 March 2026

Delivery of a targeted feasibility study focused on nitrogen reduction and air quality management. The project involves technical research and analysis to evaluate potential mitigation strategies, providing evidence-based recommendations for environmental policy and site-specific interventions.

Open the official notice

Awarded value: £30k; As published
Published: 3 December 2025
Awarded: 7 November 2025; Ricardo Energy & Environment
Contract length: 4 months; Ends 27 March 2026

What the contract covers

Services contract

Provision of specialist environmental research and consultancy services to assess nitrogen reduction strategies and air quality improvement measures.

Terms and requirements

Contract type: Services contract
Procedure: Selective procedure
Initial term: 4 months
Contract dates: 11 November 2025 to 27 March 2026
Certifications asked for: None stated
Suitable for SMEs: Yes
Category: Services
CPV codes: 73210000

Services in this contract

Air quality assessment, modelling and LAQM supportMain service£40k typicalNitrogen reduction feasibility study for air quality

Lifecycle

Published
3 December 2025
Contract awardedto Ricardo Energy & Environment
7 November 2025
Contract starts
11 November 2025
Contract ends
27 March 2026

The buyer

Natural England

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The supplier

Ricardo Energy & Environment

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Cite this contract

Link: https://bidskim.com/tender/301827/nitrogen-reduction-feasibility-study-air-quality
Buyer reference: PRAPS104
Open contracting ID: ocds-b5fd17-f2860d11-4c60-497f-87e5-52be188ce320
Last checked: 4 November 2026

Natural England. Nitrogen reduction feasibility study - air quality. Contract award, 3 December 2025. BidSkim, https://bidskim.com/tender/301827/nitrogen-reduction-feasibility-study-air-quality (accessed 4 November 2026).