# Nitrogen reduction feasibility study - air quality

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [Natural England](/buyers/natural-england/contract-awards)
- Contract winner: [RICARDO-AEA LIMITED](/contract-winners/ricardo-aea/public-sector-contract-awards)
- Award value: £29,757
- Tender value: £29,757
- Award date: 7 November 2025
- Published: 3 December 2025
- Contract start: 11 November 2025
- Contract end: 27 March 2026
- Stage: awarded
- Procurement category: services
- Notice ID: bc9d2d5d-ccf3-4e28-8526-ed9994d3801a-874446
- OCID: ocds-b5fd17-f2860d11-4c60-497f-87e5-52be188ce320

## Description

Nitrogen reduction feasibility study - air quality

## Related contract awards

- [ETAFF AESW03](/contracts/ocds-b5fd17-72e28da6-ee53-4f9a-81d7-3ac2b4312ead): Natural England
- [ETAFF AES&E03](/contracts/ocds-b5fd17-9cce51d1-872d-450a-8702-2836c26f6e93): Natural England
- [ETAFF AEMidlands03](/contracts/ocds-b5fd17-5b9ee168-322d-4474-aefd-f8c65684829d): Natural England
- [ETAFFCSFMidlands09 - Catchment Sensitive Farming: One-to-one Advice Programme](/contracts/ocds-b5fd17-b1bd7b14-ed74-44fa-9cbd-2d0a452f8692): Defra
- [Technical assistance for the development of an Electric Vehicle battery policy in South Africa](/contracts/ocds-b5fd17-bec44eb9-c8e1-4a70-8913-51874e965442): PALLADIUM INTERNATIONAL LIMITED
- [TTDC3063A - Low Carbon Fuel Fund](/contracts/ocds-b5fd17-d2f930a4-d5f4-42be-86df-2ff93f10abad): DfTc - Department for Transport

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/bc9d2d5d-ccf3-4e28-8526-ed9994d3801a-874446)