NHS suppliers have faced progressively more detailed carbon-reporting requirements since 2022. The latest NHS Net Zero Supplier Roadmap now confirms the next major milestone, introducing expanded Carbon Reduction Plan requirements from 1 April 2027.
For many businesses, the biggest change will be the move towards reporting relevant global Scope 1, Scope 2 and Scope 3 emissions. Gathering that information may involve finance, procurement, facilities, fleet, HR and supply-chain partners, so suppliers should not wait for a live NHS tender before preparing.
What Does the NHS Net Zero Supplier Roadmap Cover?
The NHS Net Zero Supplier Roadmap sets out a sequence of procurement requirements intended to help align NHS suppliers with the health service’s environmental goals.
| Milestone | Supplier requirement |
| From April 2022 | All NHS procurements include a minimum 10% weighting for net zero and social value |
| From April 2023 | Carbon Reduction Plans introduced for new contracts worth £5 million or more per year |
| From April 2024 | Carbon-reporting requirements proportionately extended across new NHS procurements |
| From April 2027 | Expanded requirements covering relevant global Scope 1, 2 and 3 emissions |
| From April 2028 | Planned requirements for carbon-footprint information at individual product level |
The precise methodology for the April 2028 product-level milestone is still being developed with suppliers and regulators. For now, most businesses should concentrate on understanding which Carbon Reduction Plan standard will apply to opportunities beginning from April 2027.
The new guidance applies to NHS organisations procuring goods, services, works, pharmaceuticals and healthcare services in England. Suppliers pursuing contracts in Scotland, Wales or Northern Ireland should check the requirements of the relevant NHS body rather than assuming that the English guidance applies unchanged.
What Changes from April 2027?
The requirements will operate through two Carbon Reduction Plan tiers.
The 2027 NHS Carbon Reduction Plan
A 2027 NHS Carbon Reduction Plan will generally apply to:
- Contracts worth £5 million or more per year, including VAT
- New NHS frameworks and framework agreements
- New dynamic markets
The framework and dynamic-market requirements apply irrespective of the estimated contract value, where NHS organisations consider them relevant and proportionate.
The 2027 NHS CRP expands the reporting boundary beyond the current central government standard. It will cover Scope 1, Scope 2 and all relevant global Scope 3 emissions.
The 2024 Carbon Reduction Plan
The existing 2024 CRP requirements will continue to apply to new contracts below £5 million per year but above the relevant procurement threshold.
This version covers:
- Scope 1 emissions
- Scope 2 emissions
- A defined subset of Scope 3 categories
NHS framework owners may also use the 2024 standard where applying the full 2027 requirements would not be relevant or proportionate to the nature of the framework.
The detailed April 2027 Carbon Reduction Plan guidance confirms that procurements commenced before 1 April 2027 should continue under the previous requirements.
What Must a 2027 NHS Carbon Reduction Plan Include?
A compliant 2027 NHS CRP must establish the supplier’s current carbon position and explain how it intends to reduce emissions over time. The plan will need to:
- Confirm a commitment to achieving net zero by 2050 or earlier
- Cover the organisation engaging with the NHS
- Report baseline and current Scope 1 and Scope 2 emissions
- Report all relevant global Scope 3 emissions
- Consider all 15 Scope 3 categories within the Greenhouse Gas Protocol
- Explain why any category is considered irrelevant
- Describe environmental-management and carbon-reduction measures
- Show that relevant measures can be applied during NHS contract delivery
- Receive board approval, or director approval where no board exists
- Be publicly available
- Include the required signed declaration
The reporting period should normally fall no more than 18 months before the tender notice is published. Where information is older or some data is unavailable, suppliers will generally need to provide an acceptable explanation.
Our guidance on preparing compliant Carbon Reduction Plans explains how to organise emissions data, targets, reduction measures and approvals before a procurement deadline begins.
A CRP should not be confused with an environmental policy. A policy may describe general principles, while the CRP must include defined emissions information, a public net zero commitment and practical reduction measures.
What Changed After the Supplier Consultation?
NHS England consulted suppliers and industry organisations before finalising the April 2027 technical standard. Its market-sounding findings report engagement with around 10,000 stakeholders and 219 survey responses, including feedback from seven trade bodies representing more than 1,000 suppliers.
Three notable changes were made following that feedback:
- 2050 became the minimum net zero target.
Suppliers are encouraged to align with the NHS ambition of 2045, but a commitment to 2050 or earlier can meet the minimum requirement. - Independent target validation is encouraged, not mandatory.
Businesses may use approaches such as science-based target validation, but this is not a universal pass-or-fail condition. - The requirement to estimate future carbon offsetting was removed.
Suppliers should concentrate on emissions reduction rather than attempting to predict future offset purchases.
These changes make the standard more proportionate, particularly for SMEs. They do not remove the need to develop a credible emissions boundary, gather Scope 3 information and publish a properly approved plan.
Compliance vs Scoring
Carbon Reduction Plans and scored sustainability responses serve different purposes. The CRP is normally assessed on a pass-or-fail basis. The buyer checks whether the plan meets the minimum reporting, approval, publication and commitment requirements. Compliant plans are not compared to identify which supplier has the strongest corporate carbon strategy. A supplier that fails the minimum requirements may be unable to proceed in the procurement, except in specified exceptional circumstances.
Net zero and social value quality questions are assessed separately. These questions focus on what the supplier will deliver through the particular contract and contribute to the minimum 10% weighting used in NHS procurements. Strong responses connect social value and net zero to the proposed service through clear actions, targets, responsibilities and reporting. A supplier could therefore submit a compliant CRP but still receive a weak quality score if its tender response only repeats broad corporate ambitions.
Where Does the Evergreen Assessment Fit?
The Evergreen Sustainable Supplier Assessment is an online self-assessment hosted through Atamis. It allows suppliers to share sustainability information with NHS buyers and receive a maturity score against NHS priorities.
Evergreen is generally not intended to be used as a scored tender question. Two important exceptions apply:
- Suppliers bidding for future NHS Supply Chain frameworks must submit Evergreen and achieve at least Level 1.
- NHS England medicines tenders use Evergreen to apply net zero and social value requirements.
Suppliers are encouraged to refresh the assessment annually, and an Evergreen maturity score remains valid for 12 months.
Evergreen and a Carbon Reduction Plan are related, but one does not automatically replace the other. Depending on the procurement, a supplier may need to provide a CRP, complete Evergreen and answer separate contract-level sustainability questions.
Start Preparing Scope 3 Data Now
Scope 3 is likely to create the greatest practical challenge for many suppliers because it covers emissions generated across the wider value chain.
The Greenhouse Gas Protocol divides Scope 3 into 15 categories, including:
- Purchased goods and services
- Capital goods
- Fuel and energy-related activity
- Upstream and downstream transport
- Waste generated in operations
- Business travel
- Employee commuting
- Leased assets
- Use of sold products
- End-of-life treatment
- Franchises and investments
Not every category will be relevant to every organisation. Suppliers should still document how relevance has been assessed and explain any exclusions.
Useful preparation steps include:
- Identify the legal entity and geographical boundary covered by the plan.
- Assign an internal owner for each potentially relevant emissions category.
- Record what data already exists and where gaps remain.
- Agree calculation methods and assumptions.
- Request information from key suppliers and logistics partners.
- Establish a repeatable annual reporting process.
- Retain records supporting the published figures.
Finance may hold expenditure data, while facilities teams understand energy use and waste. HR may support commuting calculations, and procurement teams may need to obtain information from suppliers.
The sustainability team cannot usually complete this work alone.
Turn Carbon Activity into Tender Evidence
A compliant CRP helps the supplier pass a minimum requirement. Scored answers need to demonstrate what will change during the contract.
Relevant measures could include:
- Lower-emission vehicles and route optimisation
- Reduced or reusable packaging
- Repairable products and longer asset lifecycles
- Energy-efficient equipment
- Waste-prevention measures
- Product take-back services
- Lower-carbon materials
- Remote support and reduced travel
- Supplier engagement
- Contract carbon-reporting dashboards
For each commitment, explain:
- The baseline
- The action
- The measurable target
- The delivery timetable
- The responsible person
- The data source
- The reporting frequency
Writing about sustainability without greenwash means distinguishing verified achievements from ambitions that have not yet been delivered.
Avoid phrases such as “zero-carbon service” or “carbon-neutral supply chain” unless the claim has been clearly defined and supported. Evaluators are more likely to trust a modest, measurable commitment than an ambitious promise with no calculation or delivery plan.
Common Carbon Reduction Plan Mistakes
Suppliers can create unnecessary compliance risks by:
- Submitting an environmental policy instead of a CRP
- Reporting only UK emissions where a global boundary is required
- Omitting relevant Scope 3 categories without explanation
- Using data that is out of date
- Relying on a parent-company plan that does not clearly cover the bidder
- Missing board or director approval
- Failing to publish the plan
- Omitting the signed declaration
- Providing reduction measures that cannot be applied to the contract
- Confusing CRP compliance with the scored sustainability response
- Assuming Evergreen removes the need for a CRP
- Waiting for the tender to open before gathering information
A final compliance check should be completed against the exact standard stated in the procurement documents. Suppliers should not assume that a previously accepted plan will remain sufficient for opportunities beginning after April 2027.
What Should NHS Suppliers Do During 2026?
Businesses expecting to pursue NHS contracts should use the remaining preparation period to:
- Identify which future opportunities may require a 2027 NHS CRP.
- Confirm the organisational and geographical reporting boundary.
- Map relevant Scope 3 categories and data owners.
- Gather current emissions information.
- Document calculation methods and exclusions.
- Agree a net zero commitment of 2050 or earlier.
- Draft and secure approval for the revised CRP.
- Publish the plan in an accessible location.
- Complete or refresh Evergreen where relevant.
- Build a bank of contract-specific carbon actions and results.
Your commercial, operational and sustainability teams should also review tender commitments together. Carbon-reduction promises can affect vehicles, equipment, packaging, staffing, supply chains and pricing.
Strengthen Your NHS Sustainability Responses
The NHS Net Zero Supplier Roadmap gives suppliers time to prepare, but gathering global emissions data and developing credible contract evidence cannot be completed effectively during the final week of a tender.
Bidding provides specialist NHS bid support for suppliers responding to healthcare frameworks, trust procurements and other NHS opportunities. We can help you interpret the requirements, coordinate technical contributors and turn sustainability activity into clear, measurable answers.
Speak to Bidding about preparing stronger NHS net zero and social value responses.
