Source: https://tendernation.io/opportunities/01a13c84-4f2a-705b-8ba6-de706e339083/developing-evidence-based-framework-for-nutrient-neutrality [Skip to main content](#main-content) awardedGBopen procedureSuitable for SMEs # Developing evidence based framework for nutrient neutrality [Defra Network eTendering Portal](https://tendernation.io/buyers/defra-network-etendering-portal) Estimated value £52,374 Published 4 Oct 2021 Deadline Closed 1 Nov 2021 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Buyer says suitable for VCSEs The buyer ticked “suitable for voluntary, community and social enterprises” on the notice. - Small contract value Valued under £135,018 including VAT, the lowest Procurement Act threshold for goods and services. - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](/opportunities/for-small-businesses)## About this tender The objective of this project is to develop guidance and/or tools based on the best available evidence which can enable Natural England staff to adequately and appropriately comment on a range of nutrient neutrality mitigation proposals. The project is in three parts: - Reviewing and collating the evidence around the nutrient exports from semi natural habitats and the effectiveness of habitat restoration in reducing nutrients exports. - Develop a framework approach for how to assess the effectiveness of habitat restoration mitigation proposals. - Development of a nutrient mitigation look up tool. ## CPV classification Environmental services Source Contracts Finder (UK) [View official notice ](https://www.contractsfinder.service.gov.uk/notice/f47a4afa-94c3-4413-befc-d63dd3c12f1f) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free ](/register) [Buyer profileDefra Network eTendering Portal: past awards and live tenders](https://tendernation.io/buyers/defra-network-etendering-portal)[SectorMore Sewage, refuse, cleaning & environmental tenders](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental) ## More tenders like this [Legionella Consultancy Services South Norfolk Council 31 days left 16 Nov 2026](https://tendernation.io/opportunities/01a145df-10ba-7014-b1c1-016db3ffb9a8/legionella-consultancy-services)[CVG Close & Cleaning Contract 2027 - 2029 Clyde Valley Housing Association Limited 30 days left 16 Nov 2026](https://tendernation.io/opportunities/01a14571-33da-7157-81c2-c436f876675c/cvg-close-cleaning-contract-2027-2029)[Scrap Metal, LAB (Lead Acid Batteries) and Abandoned Vehicles Collection, Transportation and Recycling Leeds City Council 32 days left 18 Nov 2026](https://tendernation.io/opportunities/01a14503-5842-73c7-b50c-d3b4f7df419a/scrap-metal-lab-lead-acid-batteries-and-abandoned-vehicles-collection-transp)[Provision of Window Cleaning Services Nottingham Trent University 30 days left 16 Nov 2026](https://tendernation.io/opportunities/01a14503-5864-70da-bf83-bc4caf9b193f/provision-of-window-cleaning-services)[Provision of West Ardnamurchan Refuse & Recycling Collections Highland Council 30 days left 16 Nov 2026](https://tendernation.io/opportunities/01a14495-7b01-724d-9e1e-a712a0c8d8d3/provision-of-west-ardnamurchan-refuse-recycling-collections)[Bishop Auckland College ~ Cleaning Tender Bishop Auckland College ~ Cleaning Tender 27 days left 13 Nov 2026](https://tendernation.io/opportunities/01a14495-82dd-7270-80b1-225a2de20cdb/bishop-auckland-college-cleaning-tender)