# RDE876 - Nitrogen Decision Framework: Deposition Reduction

> A sourced UK public sector contract award published by Natural England.

## Key facts

- Buyer: [Natural England](/buyers/natural-england/contract-awards)
- Supplier: [AECOM Ltd](/suppliers/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\.

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## Source

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