# RDE876 - Nitrogen Decision Framework: Deposition Reduction

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

## Key facts

- Public buyer: [Natural England](/buyers/natural-england/contract-awards)
- Contract winner: [AECOM Ltd](/contract-winners/aecom/public-sector-contract-awards)
- Award value: £49,440
- Tender value: £49,440
- Award date: 6 August 2025
- Published: 14 August 2025
- Contract start: 12 August 2025
- Contract end: 1 April 2026
- Stage: awarded
- Procurement category: services
- Notice ID: 99f5671c-af6c-4b90-8372-323692525a69-859093
- OCID: ocds-b5fd17-9a1e18b9-c67f-411d-94e8-7bbd9ebdb0eb

## Description

The central aim of the project is to build upon the work already undertaken to apply the Nitrogen Decision Framework \(NDF\) to Natural England's Sites of Special Scientific Interest \(SSSI\) series data in a transparent and automated way, whilst supporting the recalculation of results as updated data become available\. Contract awarded by Defra\.

## Related contract awards

- [Natural England Insurance 2026](/contracts/ocds-b5fd17-2ceb0fc2-5711-4ed6-83d0-1e9bc5c91b3c): Natural England
- [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
- [Highway Design Engineer - Consultancy Engineer Support](/contracts/ocds-b5fd17-8dee7cf4-3f23-4107-8600-e7568072da33): South Gloucestershire Council
- [CWC26048 - BCT Metro Support 2026](/contracts/ocds-b5fd17-0cec0a60-5693-40b4-a73f-ff0d29130efc): Wolverhampton City Council
- [CWC26032 - BCT CEG A454 Phase 1 and 2 FBC](/contracts/ocds-b5fd17-15853caa-6e38-4cb3-828a-63d048fd2e38): Wolverhampton City Council

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/99f5671c-af6c-4b90-8372-323692525a69-859093)